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提交 2aec6efd 编写于 作者: A Alexey Milovidov
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Imported unwind library from https://github.com/libunwind/libunwind, rev.... 

Imported unwind library from https://github.com/libunwind/libunwind, rev. 2934cf40529e0261801a4142fabae449a65effd0 [#CLICKHOUSE-3094].
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contrib/libunwind/AUTHORS 0 → 100644
浏览文件 @ 2aec6efd
David Mosberger <dmosberger@gmail.org>
contrib/libunwind/COPYING 0 → 100644
浏览文件 @ 2aec6efd
Copyright (c) 2002 Hewlett-Packard Co.
Permission is hereby granted, free of charge, to any person obtaining
a copy of this software and associated documentation files (the
"Software"), to deal in the Software without restriction, including
without limitation the rights to use, copy, modify, merge, publish,
distribute, sublicense, and/or sell copies of the Software, and to
permit persons to whom the Software is furnished to do so, subject to
the following conditions:
The above copyright notice and this permission notice shall be
included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
contrib/libunwind/include/compiler.h 0 → 100644
浏览文件 @ 2aec6efd
/* libunwind - a platform-independent unwind library
Copyright (C) 2001-2005 Hewlett-Packard Co
Copyright (C) 2007 David Mosberger-Tang
Contributed by David Mosberger-Tang <dmosberger@gmail.com>
This file is part of libunwind.
Permission is hereby granted, free of charge, to any person obtaining
a copy of this software and associated documentation files (the
"Software"), to deal in the Software without restriction, including
without limitation the rights to use, copy, modify, merge, publish,
distribute, sublicense, and/or sell copies of the Software, and to
permit persons to whom the Software is furnished to do so, subject to
the following conditions:
The above copyright notice and this permission notice shall be
included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/* Compiler specific useful bits that are used in libunwind, and also in the
* tests. */
#ifndef COMPILER_H
#define COMPILER_H
#ifdef __GNUC__
# define ALIGNED(x) __attribute__((aligned(x)))
# define CONST_ATTR __attribute__((__const__))
# define UNUSED __attribute__((unused))
# define NOINLINE __attribute__((noinline))
# define NORETURN __attribute__((noreturn))
# define ALIAS(name) __attribute__((alias (#name)))
# if (__GNUC__ > 3) || (__GNUC__ == 3 && __GNUC_MINOR__ > 2)
# define ALWAYS_INLINE inline __attribute__((always_inline))
# define HIDDEN __attribute__((visibility ("hidden")))
# define PROTECTED __attribute__((visibility ("protected")))
# else
# define ALWAYS_INLINE
# define HIDDEN
# define PROTECTED
# endif
# define WEAK __attribute__((weak))
# if (__GNUC__ >= 3)
# define likely(x) __builtin_expect ((x), 1)
# define unlikely(x) __builtin_expect ((x), 0)
# else
# define likely(x) (x)
# define unlikely(x) (x)
# endif
#else
# define ALIGNED(x)
# define ALWAYS_INLINE
# define CONST_ATTR
# define UNUSED
# define NOINLINE
# define NORETURN
# define ALIAS(name)
# define HIDDEN
# define PROTECTED
# define WEAK
# define likely(x) (x)
# define unlikely(x) (x)
#endif
#define ARRAY_SIZE(a) (sizeof (a) / sizeof ((a)[0]))
#endif /* COMPILER_H */
contrib/libunwind/include/config.h 0 → 100644
浏览文件 @ 2aec6efd
/* include/config.h. Generated from config.h.in by configure. */
/* include/config.h.in. Generated from configure.ac by autoheader. */
/* Block signals before mutex operations */
#define CONFIG_BLOCK_SIGNALS /**/
/* Enable Debug Frame */
/* #undef CONFIG_DEBUG_FRAME */
/* Support for Microsoft ABI extensions */
/* #undef CONFIG_MSABI_SUPPORT */
/* Define to 1 if you want every memory access validated */
#define CONSERVATIVE_CHECKS 1
/* Define to 1 if you have the <asm/ptrace_offsets.h> header file. */
/* #undef HAVE_ASM_PTRACE_OFFSETS_H */
/* Define to 1 if you have the <atomic_ops.h> header file. */
/* #undef HAVE_ATOMIC_OPS_H */
/* Define to 1 if you have the <byteswap.h> header file. */
#define HAVE_BYTESWAP_H 1
/* Define to 1 if you have the declaration of `PTRACE_CONT', and to 0 if you
don't. */
#define HAVE_DECL_PTRACE_CONT 1
/* Define to 1 if you have the declaration of `PTRACE_POKEDATA', and to 0 if
you don't. */
#define HAVE_DECL_PTRACE_POKEDATA 1
/* Define to 1 if you have the declaration of `PTRACE_POKEUSER', and to 0 if
you don't. */
#define HAVE_DECL_PTRACE_POKEUSER 1
/* Define to 1 if you have the declaration of `PTRACE_SINGLESTEP', and to 0 if
you don't. */
#define HAVE_DECL_PTRACE_SINGLESTEP 1
/* Define to 1 if you have the declaration of `PTRACE_SYSCALL', and to 0 if
you don't. */
#define HAVE_DECL_PTRACE_SYSCALL 1
/* Define to 1 if you have the declaration of `PTRACE_TRACEME', and to 0 if
you don't. */
#define HAVE_DECL_PTRACE_TRACEME 1
/* Define to 1 if you have the declaration of `PT_CONTINUE', and to 0 if you
don't. */
#define HAVE_DECL_PT_CONTINUE 1
/* Define to 1 if you have the declaration of `PT_GETFPREGS', and to 0 if you
don't. */
#define HAVE_DECL_PT_GETFPREGS 1
/* Define to 1 if you have the declaration of `PT_GETREGS', and to 0 if you
don't. */
#define HAVE_DECL_PT_GETREGS 1
/* Define to 1 if you have the declaration of `PT_IO', and to 0 if you don't.
*/
#define HAVE_DECL_PT_IO 0
/* Define to 1 if you have the declaration of `PT_STEP', and to 0 if you
don't. */
#define HAVE_DECL_PT_STEP 1
/* Define to 1 if you have the declaration of `PT_SYSCALL', and to 0 if you
don't. */
#define HAVE_DECL_PT_SYSCALL 1
/* Define to 1 if you have the declaration of `PT_TRACE_ME', and to 0 if you
don't. */
#define HAVE_DECL_PT_TRACE_ME 1
/* Define to 1 if you have the <dlfcn.h> header file. */
#define HAVE_DLFCN_H 1
/* Define to 1 if you have the `dlmodinfo' function. */
/* #undef HAVE_DLMODINFO */
/* Define to 1 if you have the `dl_iterate_phdr' function. */
#define HAVE_DL_ITERATE_PHDR 1
/* Define to 1 if you have the `dl_phdr_removals_counter' function. */
/* #undef HAVE_DL_PHDR_REMOVALS_COUNTER */
/* Define to 1 if you have the <elf.h> header file. */
#define HAVE_ELF_H 1
/* Define to 1 if you have the <endian.h> header file. */
#define HAVE_ENDIAN_H 1
/* Define to 1 if you have the <execinfo.h> header file. */
#define HAVE_EXECINFO_H 1
/* Define to 1 if you have the `getunwind' function. */
/* #undef HAVE_GETUNWIND */
/* Define to 1 if you have the <ia64intrin.h> header file. */
/* #undef HAVE_IA64INTRIN_H */
/* Define to 1 if you have the <inttypes.h> header file. */
#define HAVE_INTTYPES_H 1
/* Define to 1 if you have the `uca' library (-luca). */
/* #undef HAVE_LIBUCA */
/* Define to 1 if you have the <link.h> header file. */
#define HAVE_LINK_H 1
/* Define if you have liblzma */
#define HAVE_LZMA 0
/* Define to 1 if you have the <memory.h> header file. */
#define HAVE_MEMORY_H 1
/* Define to 1 if you have the `mincore' function. */
#define HAVE_MINCORE 1
/* Define to 1 if you have the <signal.h> header file. */
#define HAVE_SIGNAL_H 1
/* Define to 1 if you have the <stdint.h> header file. */
#define HAVE_STDINT_H 1
/* Define to 1 if you have the <stdlib.h> header file. */
#define HAVE_STDLIB_H 1
/* Define to 1 if you have the <strings.h> header file. */
#define HAVE_STRINGS_H 1
/* Define to 1 if you have the <string.h> header file. */
#define HAVE_STRING_H 1
/* Define to 1 if `dlpi_subs' is a member of `struct dl_phdr_info'. */
#define HAVE_STRUCT_DL_PHDR_INFO_DLPI_SUBS 1
/* Define to 1 if the system has the type `struct elf_prstatus'. */
#define HAVE_STRUCT_ELF_PRSTATUS 1
/* Define to 1 if the system has the type `struct prstatus'. */
/* #undef HAVE_STRUCT_PRSTATUS */
/* Defined if __sync atomics are available */
#define HAVE_SYNC_ATOMICS 1
/* Define to 1 if you have the <sys/elf.h> header file. */
/* #undef HAVE_SYS_ELF_H */
/* Define to 1 if you have the <sys/endian.h> header file. */
/* #undef HAVE_SYS_ENDIAN_H */
/* Define to 1 if you have the <sys/link.h> header file. */
/* #undef HAVE_SYS_LINK_H */
/* Define to 1 if you have the <sys/procfs.h> header file. */
#define HAVE_SYS_PROCFS_H 1
/* Define to 1 if you have the <sys/ptrace.h> header file. */
#define HAVE_SYS_PTRACE_H 1
/* Define to 1 if you have the <sys/stat.h> header file. */
#define HAVE_SYS_STAT_H 1
/* Define to 1 if you have the <sys/types.h> header file. */
#define HAVE_SYS_TYPES_H 1
/* Define to 1 if you have the <sys/uc_access.h> header file. */
/* #undef HAVE_SYS_UC_ACCESS_H */
/* Define to 1 if you have the `ttrace' function. */
/* #undef HAVE_TTRACE */
/* Define to 1 if you have the <unistd.h> header file. */
#define HAVE_UNISTD_H 1
/* Defined if __builtin_unreachable() is available */
#define HAVE__BUILTIN_UNREACHABLE 1
/* Defined if __builtin___clear_cache() is available */
#define HAVE__BUILTIN___CLEAR_CACHE 1
/* Define to 1 if __thread keyword is supported by the C compiler. */
#define HAVE___THREAD 1
/* Define to the sub-directory where libtool stores uninstalled libraries. */
#define LT_OBJDIR ".libs/"
/* Name of package */
#define PACKAGE "libunwind"
/* Define to the address where bug reports for this package should be sent. */
#define PACKAGE_BUGREPORT "libunwind-devel@nongnu.org"
/* Define to the full name of this package. */
#define PACKAGE_NAME "libunwind"
/* Define to the full name and version of this package. */
#define PACKAGE_STRING "libunwind 1.2"
/* Define to the one symbol short name of this package. */
#define PACKAGE_TARNAME "libunwind"
/* Define to the home page for this package. */
#define PACKAGE_URL ""
/* Define to the version of this package. */
#define PACKAGE_VERSION "1.2"
/* The size of `off_t', as computed by sizeof. */
#define SIZEOF_OFF_T 8
/* Define to 1 if you have the ANSI C header files. */
#define STDC_HEADERS 1
/* Version number of package */
#define VERSION "1.2"
/* Define to empty if `const' does not conform to ANSI C. */
/* #undef const */
/* Define to `__inline__' or `__inline' if that's what the C compiler
calls it, or to nothing if 'inline' is not supported under any name. */
#ifndef __cplusplus
/* #undef inline */
#endif
/* Define to `unsigned int' if <sys/types.h> does not define. */
/* #undef size_t */
contrib/libunwind/include/config.h.in 0 → 100644
浏览文件 @ 2aec6efd
/* include/config.h.in. Generated from configure.ac by autoheader. */
/* Block signals before mutex operations */
#undef CONFIG_BLOCK_SIGNALS
/* Enable Debug Frame */
#undef CONFIG_DEBUG_FRAME
/* Support for Microsoft ABI extensions */
#undef CONFIG_MSABI_SUPPORT
/* Define to 1 if you want every memory access validated */
#undef CONSERVATIVE_CHECKS
/* Define to 1 if you have the <asm/ptrace_offsets.h> header file. */
#undef HAVE_ASM_PTRACE_OFFSETS_H
/* Define to 1 if you have the <atomic_ops.h> header file. */
#undef HAVE_ATOMIC_OPS_H
/* Define to 1 if you have the <byteswap.h> header file. */
#undef HAVE_BYTESWAP_H
/* Define to 1 if you have the declaration of `PTRACE_CONT', and to 0 if you
don't. */
#undef HAVE_DECL_PTRACE_CONT
/* Define to 1 if you have the declaration of `PTRACE_POKEDATA', and to 0 if
you don't. */
#undef HAVE_DECL_PTRACE_POKEDATA
/* Define to 1 if you have the declaration of `PTRACE_POKEUSER', and to 0 if
you don't. */
#undef HAVE_DECL_PTRACE_POKEUSER
/* Define to 1 if you have the declaration of `PTRACE_SINGLESTEP', and to 0 if
you don't. */
#undef HAVE_DECL_PTRACE_SINGLESTEP
/* Define to 1 if you have the declaration of `PTRACE_SYSCALL', and to 0 if
you don't. */
#undef HAVE_DECL_PTRACE_SYSCALL
/* Define to 1 if you have the declaration of `PTRACE_TRACEME', and to 0 if
you don't. */
#undef HAVE_DECL_PTRACE_TRACEME
/* Define to 1 if you have the declaration of `PT_CONTINUE', and to 0 if you
don't. */
#undef HAVE_DECL_PT_CONTINUE
/* Define to 1 if you have the declaration of `PT_GETFPREGS', and to 0 if you
don't. */
#undef HAVE_DECL_PT_GETFPREGS
/* Define to 1 if you have the declaration of `PT_GETREGS', and to 0 if you
don't. */
#undef HAVE_DECL_PT_GETREGS
/* Define to 1 if you have the declaration of `PT_IO', and to 0 if you don't.
*/
#undef HAVE_DECL_PT_IO
/* Define to 1 if you have the declaration of `PT_STEP', and to 0 if you
don't. */
#undef HAVE_DECL_PT_STEP
/* Define to 1 if you have the declaration of `PT_SYSCALL', and to 0 if you
don't. */
#undef HAVE_DECL_PT_SYSCALL
/* Define to 1 if you have the declaration of `PT_TRACE_ME', and to 0 if you
don't. */
#undef HAVE_DECL_PT_TRACE_ME
/* Define to 1 if you have the <dlfcn.h> header file. */
#undef HAVE_DLFCN_H
/* Define to 1 if you have the `dlmodinfo' function. */
#undef HAVE_DLMODINFO
/* Define to 1 if you have the `dl_iterate_phdr' function. */
#undef HAVE_DL_ITERATE_PHDR
/* Define to 1 if you have the `dl_phdr_removals_counter' function. */
#undef HAVE_DL_PHDR_REMOVALS_COUNTER
/* Define to 1 if you have the <elf.h> header file. */
#undef HAVE_ELF_H
/* Define to 1 if you have the <endian.h> header file. */
#undef HAVE_ENDIAN_H
/* Define to 1 if you have the <execinfo.h> header file. */
#undef HAVE_EXECINFO_H
/* Define to 1 if you have the `getunwind' function. */
#undef HAVE_GETUNWIND
/* Define to 1 if you have the <ia64intrin.h> header file. */
#undef HAVE_IA64INTRIN_H
/* Define to 1 if you have the <inttypes.h> header file. */
#undef HAVE_INTTYPES_H
/* Define to 1 if you have the `uca' library (-luca). */
#undef HAVE_LIBUCA
/* Define to 1 if you have the <link.h> header file. */
#undef HAVE_LINK_H
/* Define if you have liblzma */
#undef HAVE_LZMA
/* Define to 1 if you have the <memory.h> header file. */
#undef HAVE_MEMORY_H
/* Define to 1 if you have the `mincore' function. */
#undef HAVE_MINCORE
/* Define to 1 if you have the <signal.h> header file. */
#undef HAVE_SIGNAL_H
/* Define to 1 if you have the <stdint.h> header file. */
#undef HAVE_STDINT_H
/* Define to 1 if you have the <stdlib.h> header file. */
#undef HAVE_STDLIB_H
/* Define to 1 if you have the <strings.h> header file. */
#undef HAVE_STRINGS_H
/* Define to 1 if you have the <string.h> header file. */
#undef HAVE_STRING_H
/* Define to 1 if `dlpi_subs' is a member of `struct dl_phdr_info'. */
#undef HAVE_STRUCT_DL_PHDR_INFO_DLPI_SUBS
/* Define to 1 if the system has the type `struct elf_prstatus'. */
#undef HAVE_STRUCT_ELF_PRSTATUS
/* Define to 1 if the system has the type `struct prstatus'. */
#undef HAVE_STRUCT_PRSTATUS
/* Defined if __sync atomics are available */
#undef HAVE_SYNC_ATOMICS
/* Define to 1 if you have the <sys/elf.h> header file. */
#undef HAVE_SYS_ELF_H
/* Define to 1 if you have the <sys/endian.h> header file. */
#undef HAVE_SYS_ENDIAN_H
/* Define to 1 if you have the <sys/link.h> header file. */
#undef HAVE_SYS_LINK_H
/* Define to 1 if you have the <sys/procfs.h> header file. */
#undef HAVE_SYS_PROCFS_H
/* Define to 1 if you have the <sys/ptrace.h> header file. */
#undef HAVE_SYS_PTRACE_H
/* Define to 1 if you have the <sys/stat.h> header file. */
#undef HAVE_SYS_STAT_H
/* Define to 1 if you have the <sys/types.h> header file. */
#undef HAVE_SYS_TYPES_H
/* Define to 1 if you have the <sys/uc_access.h> header file. */
#undef HAVE_SYS_UC_ACCESS_H
/* Define to 1 if you have the `ttrace' function. */
#undef HAVE_TTRACE
/* Define to 1 if you have the <unistd.h> header file. */
#undef HAVE_UNISTD_H
/* Defined if __builtin_unreachable() is available */
#undef HAVE__BUILTIN_UNREACHABLE
/* Defined if __builtin___clear_cache() is available */
#undef HAVE__BUILTIN___CLEAR_CACHE
/* Define to 1 if __thread keyword is supported by the C compiler. */
#undef HAVE___THREAD
/* Define to the sub-directory where libtool stores uninstalled libraries. */
#undef LT_OBJDIR
/* Name of package */
#undef PACKAGE
/* Define to the address where bug reports for this package should be sent. */
#undef PACKAGE_BUGREPORT
/* Define to the full name of this package. */
#undef PACKAGE_NAME
/* Define to the full name and version of this package. */
#undef PACKAGE_STRING
/* Define to the one symbol short name of this package. */
#undef PACKAGE_TARNAME
/* Define to the home page for this package. */
#undef PACKAGE_URL
/* Define to the version of this package. */
#undef PACKAGE_VERSION
/* The size of `off_t', as computed by sizeof. */
#undef SIZEOF_OFF_T
/* Define to 1 if you have the ANSI C header files. */
#undef STDC_HEADERS
/* Version number of package */
#undef VERSION
/* Define to empty if `const' does not conform to ANSI C. */
#undef const
/* Define to `__inline__' or `__inline' if that's what the C compiler
calls it, or to nothing if 'inline' is not supported under any name. */
#ifndef __cplusplus
#undef inline
#endif
/* Define to `unsigned int' if <sys/types.h> does not define. */
#undef size_t
contrib/libunwind/include/dwarf-eh.h 0 → 100644
浏览文件 @ 2aec6efd
/* libunwind - a platform-independent unwind library
Copyright (c) 2003 Hewlett-Packard Development Company, L.P.
Contributed by David Mosberger-Tang <davidm@hpl.hp.com>
This file is part of libunwind.
Permission is hereby granted, free of charge, to any person obtaining
a copy of this software and associated documentation files (the
"Software"), to deal in the Software without restriction, including
without limitation the rights to use, copy, modify, merge, publish,
distribute, sublicense, and/or sell copies of the Software, and to
permit persons to whom the Software is furnished to do so, subject to
the following conditions:
The above copyright notice and this permission notice shall be
included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
#ifndef dwarf_eh_h
#define dwarf_eh_h
#include "dwarf.h"
/* This header file defines the format of a DWARF exception-header
section (.eh_frame_hdr, pointed to by program-header
PT_GNU_EH_FRAME). The exception-header is self-describing in the
sense that the format of the addresses contained in it is expressed
as a one-byte type-descriptor called a "pointer-encoding" (PE).
The exception header encodes the address of the .eh_frame section
and optionally contains a binary search table for the
Frame Descriptor Entries (FDEs) in the .eh_frame. The contents of
.eh_frame has the format described by the DWARF v3 standard
(http://www.eagercon.com/dwarf/dwarf3std.htm), except that code
addresses may be encoded in different ways. Also, .eh_frame has
augmentations that allow encoding a language-specific data-area
(LSDA) pointer and a pointer to a personality-routine.
Details:
The Common Information Entry (CIE) associated with an FDE may
contain an augmentation string. Each character in this string has
a specific meaning and either one or two associated operands. The
operands are stored in an augmentation body which appears right
after the "return_address_register" member and before the
"initial_instructions" member. The operands appear in the order
in which the characters appear in the string. For example, if the
augmentation string is "zL", the operand for 'z' would be first in
the augmentation body and the operand for 'L' would be second.
The following characters are supported for the CIE augmentation
string:
'z': The operand for this character is a uleb128 value that gives the
length of the CIE augmentation body, not counting the length
of the uleb128 operand itself. If present, this code must
appear as the first character in the augmentation body.
'L': Indicates that the FDE's augmentation body contains an LSDA
pointer. The operand for this character is a single byte
that specifies the pointer-encoding (PE) that is used for
the LSDA pointer.
'R': Indicates that the code-pointers (FDE members
"initial_location" and "address_range" and the operand for
DW_CFA_set_loc) in the FDE have a non-default encoding. The
operand for this character is a single byte that specifies
the pointer-encoding (PE) that is used for the
code-pointers. Note: the "address_range" member is always
encoded as an absolute value. Apart from that, the specified
FDE pointer-encoding applies.
'P': Indicates the presence of a personality routine (handler).
The first operand for this character specifies the
pointer-encoding (PE) that is used for the second operand,
which specifies the address of the personality routine.
If the augmentation string contains any other characters, the
remainder of the augmentation string should be ignored.
Furthermore, if the size of the augmentation body is unknown
(i.e., 'z' is not the first character of the augmentation string),
then the entire CIE as well all associated FDEs must be ignored.
A Frame Descriptor Entries (FDE) may contain an augmentation body
which, if present, appears right after the "address_range" member
and before the "instructions" member. The contents of this body
is implicitly defined by the augmentation string of the associated
CIE. The meaning of the characters in the CIE's augmentation
string as far as FDEs are concerned is as follows:
'z': The first operand in the FDE's augmentation body specifies
the total length of the augmentation body as a uleb128 (not
counting the length of the uleb128 operand itself).
'L': The operand for this character is an LSDA pointer, encoded
in the format specified by the corresponding operand in the
CIE's augmentation body.
*/
#define DW_EH_VERSION 1 /* The version we're implementing */
struct dwarf_eh_frame_hdr
{
unsigned char version;
unsigned char eh_frame_ptr_enc;
unsigned char fde_count_enc;
unsigned char table_enc;
/* The rest of the header is variable-length and consists of the
following members:
encoded_t eh_frame_ptr;
encoded_t fde_count;
struct
{
encoded_t start_ip; // first address covered by this FDE
encoded_t fde_addr; // address of the FDE
}
binary_search_table[fde_count]; */
};
#endif /* dwarf_eh_h */
contrib/libunwind/include/dwarf.h 0 → 100644
浏览文件 @ 2aec6efd
/* libunwind - a platform-independent unwind library
Copyright (c) 2003-2005 Hewlett-Packard Development Company, L.P.
Contributed by David Mosberger-Tang <davidm@hpl.hp.com>
This file is part of libunwind.
Permission is hereby granted, free of charge, to any person obtaining
a copy of this software and associated documentation files (the
"Software"), to deal in the Software without restriction, including
without limitation the rights to use, copy, modify, merge, publish,
distribute, sublicense, and/or sell copies of the Software, and to
permit persons to whom the Software is furnished to do so, subject to
the following conditions:
The above copyright notice and this permission notice shall be
included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
#ifndef dwarf_h
#define dwarf_h
#include <libunwind.h>
struct dwarf_cursor; /* forward-declaration */
struct elf_dyn_info;
#include "dwarf-config.h"
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#ifdef HAVE___THREAD
/* For now, turn off per-thread caching. It uses up too much TLS
memory per thread even when the thread never uses libunwind at
all. */
# undef HAVE___THREAD
#endif
#ifndef UNW_REMOTE_ONLY
#if defined(HAVE_LINK_H)
#include <link.h>
#elif defined(HAVE_SYS_LINK_H)
#include <sys/link.h>
#else
#error Could not find <link.h>
#endif
#endif
#include <pthread.h>
/* DWARF expression opcodes. */
typedef enum
{
DW_OP_addr = 0x03,
DW_OP_deref = 0x06,
DW_OP_const1u = 0x08,
DW_OP_const1s = 0x09,
DW_OP_const2u = 0x0a,
DW_OP_const2s = 0x0b,
DW_OP_const4u = 0x0c,
DW_OP_const4s = 0x0d,
DW_OP_const8u = 0x0e,
DW_OP_const8s = 0x0f,
DW_OP_constu = 0x10,
DW_OP_consts = 0x11,
DW_OP_dup = 0x12,
DW_OP_drop = 0x13,
DW_OP_over = 0x14,
DW_OP_pick = 0x15,
DW_OP_swap = 0x16,
DW_OP_rot = 0x17,
DW_OP_xderef = 0x18,
DW_OP_abs = 0x19,
DW_OP_and = 0x1a,
DW_OP_div = 0x1b,
DW_OP_minus = 0x1c,
DW_OP_mod = 0x1d,
DW_OP_mul = 0x1e,
DW_OP_neg = 0x1f,
DW_OP_not = 0x20,
DW_OP_or = 0x21,
DW_OP_plus = 0x22,
DW_OP_plus_uconst = 0x23,
DW_OP_shl = 0x24,
DW_OP_shr = 0x25,
DW_OP_shra = 0x26,
DW_OP_xor = 0x27,
DW_OP_skip = 0x2f,
DW_OP_bra = 0x28,
DW_OP_eq = 0x29,
DW_OP_ge = 0x2a,
DW_OP_gt = 0x2b,
DW_OP_le = 0x2c,
DW_OP_lt = 0x2d,
DW_OP_ne = 0x2e,
DW_OP_lit0 = 0x30,
DW_OP_lit1, DW_OP_lit2, DW_OP_lit3, DW_OP_lit4, DW_OP_lit5,
DW_OP_lit6, DW_OP_lit7, DW_OP_lit8, DW_OP_lit9, DW_OP_lit10,
DW_OP_lit11, DW_OP_lit12, DW_OP_lit13, DW_OP_lit14, DW_OP_lit15,
DW_OP_lit16, DW_OP_lit17, DW_OP_lit18, DW_OP_lit19, DW_OP_lit20,
DW_OP_lit21, DW_OP_lit22, DW_OP_lit23, DW_OP_lit24, DW_OP_lit25,
DW_OP_lit26, DW_OP_lit27, DW_OP_lit28, DW_OP_lit29, DW_OP_lit30,
DW_OP_lit31,
DW_OP_reg0 = 0x50,
DW_OP_reg1, DW_OP_reg2, DW_OP_reg3, DW_OP_reg4, DW_OP_reg5,
DW_OP_reg6, DW_OP_reg7, DW_OP_reg8, DW_OP_reg9, DW_OP_reg10,
DW_OP_reg11, DW_OP_reg12, DW_OP_reg13, DW_OP_reg14, DW_OP_reg15,
DW_OP_reg16, DW_OP_reg17, DW_OP_reg18, DW_OP_reg19, DW_OP_reg20,
DW_OP_reg21, DW_OP_reg22, DW_OP_reg23, DW_OP_reg24, DW_OP_reg25,
DW_OP_reg26, DW_OP_reg27, DW_OP_reg28, DW_OP_reg29, DW_OP_reg30,
DW_OP_reg31,
DW_OP_breg0 = 0x70,
DW_OP_breg1, DW_OP_breg2, DW_OP_breg3, DW_OP_breg4, DW_OP_breg5,
DW_OP_breg6, DW_OP_breg7, DW_OP_breg8, DW_OP_breg9, DW_OP_breg10,
DW_OP_breg11, DW_OP_breg12, DW_OP_breg13, DW_OP_breg14, DW_OP_breg15,
DW_OP_breg16, DW_OP_breg17, DW_OP_breg18, DW_OP_breg19, DW_OP_breg20,
DW_OP_breg21, DW_OP_breg22, DW_OP_breg23, DW_OP_breg24, DW_OP_breg25,
DW_OP_breg26, DW_OP_breg27, DW_OP_breg28, DW_OP_breg29, DW_OP_breg30,
DW_OP_breg31,
DW_OP_regx = 0x90,
DW_OP_fbreg = 0x91,
DW_OP_bregx = 0x92,
DW_OP_piece = 0x93,
DW_OP_deref_size = 0x94,
DW_OP_xderef_size = 0x95,
DW_OP_nop = 0x96,
DW_OP_push_object_address = 0x97,
DW_OP_call2 = 0x98,
DW_OP_call4 = 0x99,
DW_OP_call_ref = 0x9a,
DW_OP_lo_user = 0xe0,
DW_OP_hi_user = 0xff
}
dwarf_expr_op_t;
#define DWARF_CIE_VERSION 3 /* GCC emits version 1??? */
#define DWARF_CFA_OPCODE_MASK 0xc0
#define DWARF_CFA_OPERAND_MASK 0x3f
typedef enum
{
DW_CFA_advance_loc = 0x40,
DW_CFA_offset = 0x80,
DW_CFA_restore = 0xc0,
DW_CFA_nop = 0x00,
DW_CFA_set_loc = 0x01,
DW_CFA_advance_loc1 = 0x02,
DW_CFA_advance_loc2 = 0x03,
DW_CFA_advance_loc4 = 0x04,
DW_CFA_offset_extended = 0x05,
DW_CFA_restore_extended = 0x06,
DW_CFA_undefined = 0x07,
DW_CFA_same_value = 0x08,
DW_CFA_register = 0x09,
DW_CFA_remember_state = 0x0a,
DW_CFA_restore_state = 0x0b,
DW_CFA_def_cfa = 0x0c,
DW_CFA_def_cfa_register = 0x0d,
DW_CFA_def_cfa_offset = 0x0e,
DW_CFA_def_cfa_expression = 0x0f,
DW_CFA_expression = 0x10,
DW_CFA_offset_extended_sf = 0x11,
DW_CFA_def_cfa_sf = 0x12,
DW_CFA_def_cfa_offset_sf = 0x13,
DW_CFA_val_expression = 0x16,
DW_CFA_lo_user = 0x1c,
DW_CFA_MIPS_advance_loc8 = 0x1d,
DW_CFA_GNU_window_save = 0x2d,
DW_CFA_GNU_args_size = 0x2e,
DW_CFA_GNU_negative_offset_extended = 0x2f,
DW_CFA_hi_user = 0x3c
}
dwarf_cfa_t;
/* DWARF Pointer-Encoding (PEs).
Pointer-Encodings were invented for the GCC exception-handling
support for C++, but they represent a rather generic way of
describing the format in which an address/pointer is stored and
hence we include the definitions here, in the main dwarf.h file.
The Pointer-Encoding format is partially documented in Linux Base
Spec v1.3 (http://www.linuxbase.org/spec/). The rest is reverse
engineered from GCC.
*/
#define DW_EH_PE_FORMAT_MASK 0x0f /* format of the encoded value */
#define DW_EH_PE_APPL_MASK 0x70 /* how the value is to be applied */
/* Flag bit. If set, the resulting pointer is the address of the word
that contains the final address. */
#define DW_EH_PE_indirect 0x80
/* Pointer-encoding formats: */
#define DW_EH_PE_omit 0xff
#define DW_EH_PE_ptr 0x00 /* pointer-sized unsigned value */
#define DW_EH_PE_uleb128 0x01 /* unsigned LE base-128 value */
#define DW_EH_PE_udata2 0x02 /* unsigned 16-bit value */
#define DW_EH_PE_udata4 0x03 /* unsigned 32-bit value */
#define DW_EH_PE_udata8 0x04 /* unsigned 64-bit value */
#define DW_EH_PE_sleb128 0x09 /* signed LE base-128 value */
#define DW_EH_PE_sdata2 0x0a /* signed 16-bit value */
#define DW_EH_PE_sdata4 0x0b /* signed 32-bit value */
#define DW_EH_PE_sdata8 0x0c /* signed 64-bit value */
/* Pointer-encoding application: */
#define DW_EH_PE_absptr 0x00 /* absolute value */
#define DW_EH_PE_pcrel 0x10 /* rel. to addr. of encoded value */
#define DW_EH_PE_textrel 0x20 /* text-relative (GCC-specific???) */
#define DW_EH_PE_datarel 0x30 /* data-relative */
/* The following are not documented by LSB v1.3, yet they are used by
GCC, presumably they aren't documented by LSB since they aren't
used on Linux: */
#define DW_EH_PE_funcrel 0x40 /* start-of-procedure-relative */
#define DW_EH_PE_aligned 0x50 /* aligned pointer */
extern struct mempool dwarf_reg_state_pool;
extern struct mempool dwarf_cie_info_pool;
typedef enum
{
DWARF_WHERE_UNDEF, /* register isn't saved at all */
DWARF_WHERE_SAME, /* register has same value as in prev. frame */
DWARF_WHERE_CFAREL, /* register saved at CFA-relative address */
DWARF_WHERE_REG, /* register saved in another register */
DWARF_WHERE_EXPR, /* register saved */
DWARF_WHERE_VAL_EXPR, /* register has computed value */
}
dwarf_where_t;
/* For uniformity, we'd like to treat the CFA save-location like any
other register save-location, but this doesn't quite work, because
the CFA can be expressed as a (REGISTER,OFFSET) pair. To handle
this, we use two dwarf_save_loc structures to describe the CFA.
The first one (CFA_REG_COLUMN), tells us where the CFA is saved.
In the case of DWARF_WHERE_EXPR, the CFA is defined by a DWARF
location expression whose address is given by member "val". In the
case of DWARF_WHERE_REG, member "val" gives the number of the
base-register and the "val" member of DWARF_CFA_OFF_COLUMN gives
the offset value. */
#define DWARF_CFA_REG_COLUMN DWARF_NUM_PRESERVED_REGS
#define DWARF_CFA_OFF_COLUMN (DWARF_NUM_PRESERVED_REGS + 1)
typedef struct dwarf_reg_only_state
{
char where[DWARF_NUM_PRESERVED_REGS + 2]; /* how is the register saved? */
unw_word_t val[DWARF_NUM_PRESERVED_REGS + 2]; /* where it's saved */
}
dwarf_reg_only_state_t;
typedef struct dwarf_reg_state
{
unw_word_t ret_addr_column; /* which column in rule table represents return address */
dwarf_reg_only_state_t reg;
}
dwarf_reg_state_t;
typedef struct dwarf_stackable_reg_state
{
struct dwarf_stackable_reg_state *next; /* for rs_stack */
dwarf_reg_only_state_t state;
}
dwarf_stackable_reg_state_t;
typedef struct dwarf_reg_cache_entry
{
unw_word_t ip; /* ip this rs is for */
unsigned short coll_chain; /* used for hash collisions */
unsigned short hint; /* hint for next rs to try (or -1) */
unsigned short valid : 1; /* optional machine-dependent signal info */
unsigned short signal_frame : 1; /* optional machine-dependent signal info */
}
dwarf_reg_cache_entry_t;
typedef struct dwarf_cie_info
{
unw_word_t cie_instr_start; /* start addr. of CIE "initial_instructions" */
unw_word_t cie_instr_end; /* end addr. of CIE "initial_instructions" */
unw_word_t fde_instr_start; /* start addr. of FDE "instructions" */
unw_word_t fde_instr_end; /* end addr. of FDE "instructions" */
unw_word_t code_align; /* code-alignment factor */
unw_word_t data_align; /* data-alignment factor */
unw_word_t ret_addr_column; /* column of return-address register */
unw_word_t handler; /* address of personality-routine */
uint16_t abi;
uint16_t tag;
uint8_t fde_encoding;
uint8_t lsda_encoding;
unsigned int sized_augmentation : 1;
unsigned int have_abi_marker : 1;
unsigned int signal_frame : 1;
}
dwarf_cie_info_t;
typedef struct dwarf_state_record
{
unsigned char fde_encoding;
unw_word_t args_size;
dwarf_reg_state_t rs_initial; /* reg-state after CIE instructions */
dwarf_reg_state_t rs_current; /* current reg-state */
}
dwarf_state_record_t;
typedef struct dwarf_cursor
{
void *as_arg; /* argument to address-space callbacks */
unw_addr_space_t as; /* reference to per-address-space info */
unw_word_t cfa; /* canonical frame address; aka frame-/stack-pointer */
unw_word_t ip; /* instruction pointer */
unw_word_t args_size; /* size of arguments */
unw_word_t eh_args[UNW_TDEP_NUM_EH_REGS];
unsigned int eh_valid_mask;
dwarf_loc_t loc[DWARF_NUM_PRESERVED_REGS];
unsigned int stash_frames :1; /* stash frames for fast lookup */
unsigned int use_prev_instr :1; /* use previous (= call) or current (= signal) instruction? */
unsigned int pi_valid :1; /* is proc_info valid? */
unsigned int pi_is_dynamic :1; /* proc_info found via dynamic proc info? */
unw_proc_info_t pi; /* info about current procedure */
short hint; /* faster lookup of the rs cache */
short prev_rs;
}
dwarf_cursor_t;
#define DWARF_DEFAULT_LOG_UNW_CACHE_SIZE 7
#define DWARF_DEFAULT_UNW_CACHE_SIZE (1 << DWARF_DEFAULT_LOG_UNW_CACHE_SIZE)
#define DWARF_DEFAULT_LOG_UNW_HASH_SIZE (DWARF_DEFAULT_LOG_UNW_CACHE_SIZE + 1)
#define DWARF_DEFAULT_UNW_HASH_SIZE (1 << DWARF_DEFAULT_LOG_UNW_HASH_SIZE)
typedef unsigned char unw_hash_index_t;
struct dwarf_rs_cache
{
pthread_mutex_t lock;
unsigned short rr_head; /* index of least-recently allocated rs */
unsigned short log_size;
unsigned short prev_log_size;
/* hash table that maps instruction pointer to rs index: */
unsigned short *hash;
uint32_t generation; /* generation number */
/* rs cache: */
dwarf_reg_state_t *buckets;
dwarf_reg_cache_entry_t *links;
/* default memory, loaded in BSS segment */
unsigned short default_hash[DWARF_DEFAULT_UNW_HASH_SIZE];
dwarf_reg_state_t default_buckets[DWARF_DEFAULT_UNW_CACHE_SIZE];
dwarf_reg_cache_entry_t default_links[DWARF_DEFAULT_UNW_CACHE_SIZE];
};
/* A list of descriptors for loaded .debug_frame sections. */
struct unw_debug_frame_list
{
/* The start (inclusive) and end (exclusive) of the described region. */
unw_word_t start;
unw_word_t end;
/* The debug frame itself. */
char *debug_frame;
size_t debug_frame_size;
/* Index (for binary search). */
struct table_entry *index;
size_t index_size;
/* Pointer to next descriptor. */
struct unw_debug_frame_list *next;
};
/* Convenience macros: */
#define dwarf_init UNW_ARCH_OBJ (dwarf_init)
#define dwarf_callback UNW_OBJ (dwarf_callback)
#define dwarf_find_proc_info UNW_OBJ (dwarf_find_proc_info)
#define dwarf_find_debug_frame UNW_OBJ (dwarf_find_debug_frame)
#define dwarf_search_unwind_table UNW_OBJ (dwarf_search_unwind_table)
#define dwarf_find_unwind_table UNW_OBJ (dwarf_find_unwind_table)
#define dwarf_put_unwind_info UNW_OBJ (dwarf_put_unwind_info)
#define dwarf_put_unwind_info UNW_OBJ (dwarf_put_unwind_info)
#define dwarf_eval_expr UNW_OBJ (dwarf_eval_expr)
#define dwarf_stack_aligned UNW_OBJ (dwarf_stack_aligned)
#define dwarf_extract_proc_info_from_fde \
UNW_OBJ (dwarf_extract_proc_info_from_fde)
#define dwarf_find_save_locs UNW_OBJ (dwarf_find_save_locs)
#define dwarf_make_proc_info UNW_OBJ (dwarf_make_proc_info)
#define dwarf_apply_reg_state UNW_OBJ (dwarf_apply_reg_state)
#define dwarf_reg_states_iterate UNW_OBJ (dwarf_reg_states_iterate)
#define dwarf_read_encoded_pointer UNW_OBJ (dwarf_read_encoded_pointer)
#define dwarf_step UNW_OBJ (dwarf_step)
#define dwarf_flush_rs_cache UNW_OBJ (dwarf_flush_rs_cache)
extern int dwarf_init (void);
#ifndef UNW_REMOTE_ONLY
extern int dwarf_callback (struct dl_phdr_info *info, size_t size, void *ptr);
extern int dwarf_find_proc_info (unw_addr_space_t as, unw_word_t ip,
unw_proc_info_t *pi,
int need_unwind_info, void *arg);
#endif /* !UNW_REMOTE_ONLY */
extern int dwarf_find_debug_frame (int found, unw_dyn_info_t *di_debug,
unw_word_t ip, unw_word_t segbase,
const char* obj_name, unw_word_t start,
unw_word_t end);
extern int dwarf_search_unwind_table (unw_addr_space_t as,
unw_word_t ip,
unw_dyn_info_t *di,
unw_proc_info_t *pi,
int need_unwind_info, void *arg);
extern int dwarf_find_unwind_table (struct elf_dyn_info *edi, unw_addr_space_t as,
char *path, unw_word_t segbase, unw_word_t mapoff,
unw_word_t ip);
extern void dwarf_put_unwind_info (unw_addr_space_t as,
unw_proc_info_t *pi, void *arg);
extern int dwarf_eval_expr (struct dwarf_cursor *c, unw_word_t *addr,
unw_word_t len, unw_word_t *valp,
int *is_register);
extern int
dwarf_stack_aligned(struct dwarf_cursor *c, unw_word_t cfa_addr,
unw_word_t rbp_addr, unw_word_t *offset);
extern int dwarf_extract_proc_info_from_fde (unw_addr_space_t as,
unw_accessors_t *a,
unw_word_t *fde_addr,
unw_proc_info_t *pi,
unw_word_t base,
int need_unwind_info,
int is_debug_frame,
void *arg);
extern int dwarf_find_save_locs (struct dwarf_cursor *c);
extern int dwarf_make_proc_info (struct dwarf_cursor *c);
extern int dwarf_apply_reg_state (struct dwarf_cursor *c, struct dwarf_reg_state *rs);
extern int dwarf_reg_states_iterate (struct dwarf_cursor *c, unw_reg_states_callback cb, void *token);
extern int dwarf_read_encoded_pointer (unw_addr_space_t as,
unw_accessors_t *a,
unw_word_t *addr,
unsigned char encoding,
const unw_proc_info_t *pi,
unw_word_t *valp, void *arg);
extern int dwarf_step (struct dwarf_cursor *c);
extern int dwarf_flush_rs_cache (struct dwarf_rs_cache *cache);
#endif /* dwarf_h */
contrib/libunwind/include/dwarf_i.h 0 → 100644
浏览文件 @ 2aec6efd
#ifndef DWARF_I_H
#define DWARF_I_H
/* This file contains definitions that cannot be used in code outside
of libunwind. In particular, most inline functions are here
because otherwise they'd generate unresolved references when the
files are compiled with inlining disabled. */
#include "dwarf.h"
#include "libunwind_i.h"
/* Unless we are told otherwise, assume that a "machine address" is
the size of an unw_word_t. */
#ifndef dwarf_addr_size
# define dwarf_addr_size(as) (sizeof (unw_word_t))
#endif
#ifndef dwarf_to_unw_regnum
# define dwarf_to_unw_regnum_map UNW_OBJ (dwarf_to_unw_regnum_map)
extern const uint8_t dwarf_to_unw_regnum_map[DWARF_REGNUM_MAP_LENGTH];
/* REG is evaluated multiple times; it better be side-effects free! */
# define dwarf_to_unw_regnum(reg) \
(((reg) < DWARF_REGNUM_MAP_LENGTH) ? dwarf_to_unw_regnum_map[reg] : 0)
#endif
#ifdef UNW_LOCAL_ONLY
/* In the local-only case, we can let the compiler directly access
memory and don't need to worry about differing byte-order. */
typedef union __attribute__ ((packed))
{
int8_t s8;
int16_t s16;
int32_t s32;
int64_t s64;
uint8_t u8;
uint16_t u16;
uint32_t u32;
uint64_t u64;
void *ptr;
}
dwarf_misaligned_value_t;
static inline int
dwarf_reads8 (unw_addr_space_t as, unw_accessors_t *a, unw_word_t *addr,
int8_t *val, void *arg)
{
dwarf_misaligned_value_t *mvp = (void *) (uintptr_t) *addr;
*val = mvp->s8;
*addr += sizeof (mvp->s8);
return 0;
}
static inline int
dwarf_reads16 (unw_addr_space_t as, unw_accessors_t *a, unw_word_t *addr,
int16_t *val, void *arg)
{
dwarf_misaligned_value_t *mvp = (void *) (uintptr_t) *addr;
*val = mvp->s16;
*addr += sizeof (mvp->s16);
return 0;
}
static inline int
dwarf_reads32 (unw_addr_space_t as, unw_accessors_t *a, unw_word_t *addr,
int32_t *val, void *arg)
{
dwarf_misaligned_value_t *mvp = (void *) (uintptr_t) *addr;
*val = mvp->s32;
*addr += sizeof (mvp->s32);
return 0;
}
static inline int
dwarf_reads64 (unw_addr_space_t as, unw_accessors_t *a, unw_word_t *addr,
int64_t *val, void *arg)
{
dwarf_misaligned_value_t *mvp = (void *) (uintptr_t) *addr;
*val = mvp->s64;
*addr += sizeof (mvp->s64);
return 0;
}
static inline int
dwarf_readu8 (unw_addr_space_t as, unw_accessors_t *a, unw_word_t *addr,
uint8_t *val, void *arg)
{
dwarf_misaligned_value_t *mvp = (void *) (uintptr_t) *addr;
*val = mvp->u8;
*addr += sizeof (mvp->u8);
return 0;
}
static inline int
dwarf_readu16 (unw_addr_space_t as, unw_accessors_t *a, unw_word_t *addr,
uint16_t *val, void *arg)
{
dwarf_misaligned_value_t *mvp = (void *) (uintptr_t) *addr;
*val = mvp->u16;
*addr += sizeof (mvp->u16);
return 0;
}
static inline int
dwarf_readu32 (unw_addr_space_t as, unw_accessors_t *a, unw_word_t *addr,
uint32_t *val, void *arg)
{
dwarf_misaligned_value_t *mvp = (void *) (uintptr_t) *addr;
*val = mvp->u32;
*addr += sizeof (mvp->u32);
return 0;
}
static inline int
dwarf_readu64 (unw_addr_space_t as, unw_accessors_t *a, unw_word_t *addr,
uint64_t *val, void *arg)
{
dwarf_misaligned_value_t *mvp = (void *) (uintptr_t) *addr;
*val = mvp->u64;
*addr += sizeof (mvp->u64);
return 0;
}
#else /* !UNW_LOCAL_ONLY */
static inline int
dwarf_readu8 (unw_addr_space_t as, unw_accessors_t *a, unw_word_t *addr,
uint8_t *valp, void *arg)
{
unw_word_t val, aligned_addr = *addr & -sizeof (unw_word_t);
unw_word_t off = *addr - aligned_addr;
int ret;
*addr += 1;
ret = (*a->access_mem) (as, aligned_addr, &val, 0, arg);
#if __BYTE_ORDER == __LITTLE_ENDIAN
val >>= 8*off;
#else
val >>= 8*(sizeof (unw_word_t) - 1 - off);
#endif
*valp = (uint8_t) val;
return ret;
}
static inline int
dwarf_readu16 (unw_addr_space_t as, unw_accessors_t *a, unw_word_t *addr,
uint16_t *val, void *arg)
{
uint8_t v0, v1;
int ret;
if ((ret = dwarf_readu8 (as, a, addr, &v0, arg)) < 0
|| (ret = dwarf_readu8 (as, a, addr, &v1, arg)) < 0)
return ret;
if (tdep_big_endian (as))
*val = (uint16_t) v0 << 8 | v1;
else
*val = (uint16_t) v1 << 8 | v0;
return 0;
}
static inline int
dwarf_readu32 (unw_addr_space_t as, unw_accessors_t *a, unw_word_t *addr,
uint32_t *val, void *arg)
{
uint16_t v0, v1;
int ret;
if ((ret = dwarf_readu16 (as, a, addr, &v0, arg)) < 0
|| (ret = dwarf_readu16 (as, a, addr, &v1, arg)) < 0)
return ret;
if (tdep_big_endian (as))
*val = (uint32_t) v0 << 16 | v1;
else
*val = (uint32_t) v1 << 16 | v0;
return 0;
}
static inline int
dwarf_readu64 (unw_addr_space_t as, unw_accessors_t *a, unw_word_t *addr,
uint64_t *val, void *arg)
{
uint32_t v0, v1;
int ret;
if ((ret = dwarf_readu32 (as, a, addr, &v0, arg)) < 0
|| (ret = dwarf_readu32 (as, a, addr, &v1, arg)) < 0)
return ret;
if (tdep_big_endian (as))
*val = (uint64_t) v0 << 32 | v1;
else
*val = (uint64_t) v1 << 32 | v0;
return 0;
}
static inline int
dwarf_reads8 (unw_addr_space_t as, unw_accessors_t *a, unw_word_t *addr,
int8_t *val, void *arg)
{
uint8_t uval;
int ret;
if ((ret = dwarf_readu8 (as, a, addr, &uval, arg)) < 0)
return ret;
*val = (int8_t) uval;
return 0;
}
static inline int
dwarf_reads16 (unw_addr_space_t as, unw_accessors_t *a, unw_word_t *addr,
int16_t *val, void *arg)
{
uint16_t uval;
int ret;
if ((ret = dwarf_readu16 (as, a, addr, &uval, arg)) < 0)
return ret;
*val = (int16_t) uval;
return 0;
}
static inline int
dwarf_reads32 (unw_addr_space_t as, unw_accessors_t *a, unw_word_t *addr,
int32_t *val, void *arg)
{
uint32_t uval;
int ret;
if ((ret = dwarf_readu32 (as, a, addr, &uval, arg)) < 0)
return ret;
*val = (int32_t) uval;
return 0;
}
static inline int
dwarf_reads64 (unw_addr_space_t as, unw_accessors_t *a, unw_word_t *addr,
int64_t *val, void *arg)
{
uint64_t uval;
int ret;
if ((ret = dwarf_readu64 (as, a, addr, &uval, arg)) < 0)
return ret;
*val = (int64_t) uval;
return 0;
}
#endif /* !UNW_LOCAL_ONLY */
static inline int
dwarf_readw (unw_addr_space_t as, unw_accessors_t *a, unw_word_t *addr,
unw_word_t *val, void *arg)
{
uint32_t u32;
uint64_t u64;
int ret;
switch (dwarf_addr_size (as))
{
case 4:
ret = dwarf_readu32 (as, a, addr, &u32, arg);
if (ret < 0)
return ret;
*val = u32;
return ret;
case 8:
ret = dwarf_readu64 (as, a, addr, &u64, arg);
if (ret < 0)
return ret;
*val = u64;
return ret;
default:
abort ();
}
}
/* Read an unsigned "little-endian base 128" value. See Chapter 7.6
of DWARF spec v3. */
static inline int
dwarf_read_uleb128 (unw_addr_space_t as, unw_accessors_t *a, unw_word_t *addr,
unw_word_t *valp, void *arg)
{
unw_word_t val = 0, shift = 0;
unsigned char byte;
int ret;
do
{
if ((ret = dwarf_readu8 (as, a, addr, &byte, arg)) < 0)
return ret;
val |= ((unw_word_t) byte & 0x7f) << shift;
shift += 7;
}
while (byte & 0x80);
*valp = val;
return 0;
}
/* Read a signed "little-endian base 128" value. See Chapter 7.6 of
DWARF spec v3. */
static inline int
dwarf_read_sleb128 (unw_addr_space_t as, unw_accessors_t *a, unw_word_t *addr,
unw_word_t *valp, void *arg)
{
unw_word_t val = 0, shift = 0;
unsigned char byte;
int ret;
do
{
if ((ret = dwarf_readu8 (as, a, addr, &byte, arg)) < 0)
return ret;
val |= ((unw_word_t) byte & 0x7f) << shift;
shift += 7;
}
while (byte & 0x80);
if (shift < 8 * sizeof (unw_word_t) && (byte & 0x40) != 0)
/* sign-extend negative value */
val |= ((unw_word_t) -1) << shift;
*valp = val;
return 0;
}
static ALWAYS_INLINE int
dwarf_read_encoded_pointer_inlined (unw_addr_space_t as, unw_accessors_t *a,
unw_word_t *addr, unsigned char encoding,
const unw_proc_info_t *pi,
unw_word_t *valp, void *arg)
{
unw_word_t val, initial_addr = *addr;
uint16_t uval16;
uint32_t uval32;
uint64_t uval64;
int16_t sval16 = 0;
int32_t sval32 = 0;
int64_t sval64 = 0;
int ret;
/* DW_EH_PE_omit and DW_EH_PE_aligned don't follow the normal
format/application encoding. Handle them first. */
if (encoding == DW_EH_PE_omit)
{
*valp = 0;
return 0;
}
else if (encoding == DW_EH_PE_aligned)
{
int size = dwarf_addr_size (as);
*addr = (initial_addr + size - 1) & -size;
return dwarf_readw (as, a, addr, valp, arg);
}
switch (encoding & DW_EH_PE_FORMAT_MASK)
{
case DW_EH_PE_ptr:
if ((ret = dwarf_readw (as, a, addr, &val, arg)) < 0)
return ret;
break;
case DW_EH_PE_uleb128:
if ((ret = dwarf_read_uleb128 (as, a, addr, &val, arg)) < 0)
return ret;
break;
case DW_EH_PE_udata2:
if ((ret = dwarf_readu16 (as, a, addr, &uval16, arg)) < 0)
return ret;
val = uval16;
break;
case DW_EH_PE_udata4:
if ((ret = dwarf_readu32 (as, a, addr, &uval32, arg)) < 0)
return ret;
val = uval32;
break;
case DW_EH_PE_udata8:
if ((ret = dwarf_readu64 (as, a, addr, &uval64, arg)) < 0)
return ret;
val = uval64;
break;
case DW_EH_PE_sleb128:
if ((ret = dwarf_read_uleb128 (as, a, addr, &val, arg)) < 0)
return ret;
break;
case DW_EH_PE_sdata2:
if ((ret = dwarf_reads16 (as, a, addr, &sval16, arg)) < 0)
return ret;
val = sval16;
break;
case DW_EH_PE_sdata4:
if ((ret = dwarf_reads32 (as, a, addr, &sval32, arg)) < 0)
return ret;
val = sval32;
break;
case DW_EH_PE_sdata8:
if ((ret = dwarf_reads64 (as, a, addr, &sval64, arg)) < 0)
return ret;
val = sval64;
break;
default:
Debug (1, "unexpected encoding format 0x%x\n",
encoding & DW_EH_PE_FORMAT_MASK);
return -UNW_EINVAL;
}
if (val == 0)
{
/* 0 is a special value and always absolute. */
*valp = 0;
return 0;
}
switch (encoding & DW_EH_PE_APPL_MASK)
{
case DW_EH_PE_absptr:
break;
case DW_EH_PE_pcrel:
val += initial_addr;
break;
case DW_EH_PE_datarel:
/* XXX For now, assume that data-relative addresses are relative
to the global pointer. */
val += pi->gp;
break;
case DW_EH_PE_funcrel:
val += pi->start_ip;
break;
case DW_EH_PE_textrel:
/* XXX For now we don't support text-rel values. If there is a
platform which needs this, we probably would have to add a
"segbase" member to unw_proc_info_t. */
default:
Debug (1, "unexpected application type 0x%x\n",
encoding & DW_EH_PE_APPL_MASK);
return -UNW_EINVAL;
}
/* Trim off any extra bits. Assume that sign extension isn't
required; the only place it is needed is MIPS kernel space
addresses. */
if (sizeof (val) > dwarf_addr_size (as))
{
assert (dwarf_addr_size (as) == 4);
val = (uint32_t) val;
}
if (encoding & DW_EH_PE_indirect)
{
unw_word_t indirect_addr = val;
if ((ret = dwarf_readw (as, a, &indirect_addr, &val, arg)) < 0)
return ret;
}
*valp = val;
return 0;
}
#endif /* DWARF_I_H */
contrib/libunwind/include/libunwind-aarch64.h 0 → 100644
浏览文件 @ 2aec6efd
/* libunwind - a platform-independent unwind library
Copyright (C) 2001-2004 Hewlett-Packard Co
Contributed by David Mosberger-Tang <davidm@hpl.hp.com>
Copyright (C) 2013 Linaro Limited
This file is part of libunwind.
Permission is hereby granted, free of charge, to any person obtaining
a copy of this software and associated documentation files (the
"Software"), to deal in the Software without restriction, including
without limitation the rights to use, copy, modify, merge, publish,
distribute, sublicense, and/or sell copies of the Software, and to
permit persons to whom the Software is furnished to do so, subject to
the following conditions:
The above copyright notice and this permission notice shall be
included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
#ifndef LIBUNWIND_H
#define LIBUNWIND_H
#if defined(__cplusplus) || defined(c_plusplus)
extern "C" {
#endif
#include <inttypes.h>
#include <stddef.h>
#include <ucontext.h>
#define UNW_TARGET aarch64
#define UNW_TARGET_AARCH64 1
#define _U_TDEP_QP_TRUE 0 /* see libunwind-dynamic.h */
/* This needs to be big enough to accommodate "struct cursor", while
leaving some slack for future expansion. Changing this value will
require recompiling all users of this library. Stack allocation is
relatively cheap and unwind-state copying is relatively rare, so we
want to err on making it rather too big than too small. */
#define UNW_TDEP_CURSOR_LEN 512
typedef uint64_t unw_word_t;
typedef int64_t unw_sword_t;
typedef long double unw_tdep_fpreg_t;
typedef struct
{
/* no aarch64-specific auxiliary proc-info */
}
unw_tdep_proc_info_t;
typedef enum
{
/* 64-bit general registers. */
UNW_AARCH64_X0,
UNW_AARCH64_X1,
UNW_AARCH64_X2,
UNW_AARCH64_X3,
UNW_AARCH64_X4,
UNW_AARCH64_X5,
UNW_AARCH64_X6,
UNW_AARCH64_X7,
UNW_AARCH64_X8,
/* Temporary registers. */
UNW_AARCH64_X9,
UNW_AARCH64_X10,
UNW_AARCH64_X11,
UNW_AARCH64_X12,
UNW_AARCH64_X13,
UNW_AARCH64_X14,
UNW_AARCH64_X15,
/* Intra-procedure-call temporary registers. */
UNW_AARCH64_X16,
UNW_AARCH64_X17,
/* Callee-saved registers. */
UNW_AARCH64_X18,
UNW_AARCH64_X19,
UNW_AARCH64_X20,
UNW_AARCH64_X21,
UNW_AARCH64_X22,
UNW_AARCH64_X23,
UNW_AARCH64_X24,
UNW_AARCH64_X25,
UNW_AARCH64_X26,
UNW_AARCH64_X27,
UNW_AARCH64_X28,
/* 64-bit frame pointer. */
UNW_AARCH64_X29,
/* 64-bit link register. */
UNW_AARCH64_X30,
/* 64-bit stack pointer. */
UNW_AARCH64_SP = 31,
UNW_AARCH64_PC,
UNW_AARCH64_PSTATE,
/* 128-bit FP/Advanced SIMD registers. */
UNW_AARCH64_V0 = 64,
UNW_AARCH64_V1,
UNW_AARCH64_V2,
UNW_AARCH64_V3,
UNW_AARCH64_V4,
UNW_AARCH64_V5,
UNW_AARCH64_V6,
UNW_AARCH64_V7,
UNW_AARCH64_V8,
UNW_AARCH64_V9,
UNW_AARCH64_V10,
UNW_AARCH64_V11,
UNW_AARCH64_V12,
UNW_AARCH64_V13,
UNW_AARCH64_V14,
UNW_AARCH64_V15,
UNW_AARCH64_V16,
UNW_AARCH64_V17,
UNW_AARCH64_V18,
UNW_AARCH64_V19,
UNW_AARCH64_V20,
UNW_AARCH64_V21,
UNW_AARCH64_V22,
UNW_AARCH64_V23,
UNW_AARCH64_V24,
UNW_AARCH64_V25,
UNW_AARCH64_V26,
UNW_AARCH64_V27,
UNW_AARCH64_V28,
UNW_AARCH64_V29,
UNW_AARCH64_V30,
UNW_AARCH64_V31,
UNW_AARCH64_FPSR,
UNW_AARCH64_FPCR,
/* For AArch64, the CFA is the value of SP (x31) at the call site of the
previous frame. */
UNW_AARCH64_CFA = UNW_AARCH64_SP,
UNW_TDEP_LAST_REG = UNW_AARCH64_FPCR,
UNW_TDEP_IP = UNW_AARCH64_X30,
UNW_TDEP_SP = UNW_AARCH64_SP,
UNW_TDEP_EH = UNW_AARCH64_X0,
}
aarch64_regnum_t;
/* Use R0 through R3 to pass exception handling information. */
#define UNW_TDEP_NUM_EH_REGS 4
typedef struct unw_tdep_save_loc
{
/* Additional target-dependent info on a save location. */
}
unw_tdep_save_loc_t;
/* On AArch64, we can directly use ucontext_t as the unwind context. */
typedef ucontext_t unw_tdep_context_t;
#include "libunwind-common.h"
#include "libunwind-dynamic.h"
#define unw_tdep_getcontext(uc) (({ \
unw_tdep_context_t *unw_ctx = (uc); \
register uint64_t *unw_base asm ("x0") = (uint64_t*) unw_ctx->uc_mcontext.regs; \
__asm__ __volatile__ ( \
"stp x0, x1, [%[base], #0]\n" \
"stp x2, x3, [%[base], #16]\n" \
"stp x4, x5, [%[base], #32]\n" \
"stp x6, x7, [%[base], #48]\n" \
"stp x8, x9, [%[base], #64]\n" \
"stp x10, x11, [%[base], #80]\n" \
"stp x12, x13, [%[base], #96]\n" \
"stp x14, x13, [%[base], #112]\n" \
"stp x16, x17, [%[base], #128]\n" \
"stp x18, x19, [%[base], #144]\n" \
"stp x20, x21, [%[base], #160]\n" \
"stp x22, x23, [%[base], #176]\n" \
"stp x24, x25, [%[base], #192]\n" \
"stp x26, x27, [%[base], #208]\n" \
"stp x28, x29, [%[base], #224]\n" \
"str x30, [%[base], #240]\n" \
"mov x1, sp\n" \
"stp x1, x30, [%[base], #248]\n" \
: [base] "+r" (unw_base) : : "x1", "memory"); \
}), 0)
#define unw_tdep_is_fpreg UNW_ARCH_OBJ(is_fpreg)
extern int unw_tdep_is_fpreg (int);
#if defined(__cplusplus) || defined(c_plusplus)
}
#endif
#endif /* LIBUNWIND_H */
contrib/libunwind/include/libunwind-arm.h 0 → 100644
浏览文件 @ 2aec6efd
/* libunwind - a platform-independent unwind library
Copyright (C) 2008 CodeSourcery
This file is part of libunwind.
Permission is hereby granted, free of charge, to any person obtaining
a copy of this software and associated documentation files (the
"Software"), to deal in the Software without restriction, including
without limitation the rights to use, copy, modify, merge, publish,
distribute, sublicense, and/or sell copies of the Software, and to
permit persons to whom the Software is furnished to do so, subject to
the following conditions:
The above copyright notice and this permission notice shall be
included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
#ifndef LIBUNWIND_H
#define LIBUNWIND_H
#if defined(__cplusplus) || defined(c_plusplus)
extern "C" {
#endif
#include <inttypes.h>
#include <stddef.h>
#define UNW_TARGET arm
#define UNW_TARGET_ARM 1
#define _U_TDEP_QP_TRUE 0 /* see libunwind-dynamic.h */
/* This needs to be big enough to accommodate "struct cursor", while
leaving some slack for future expansion. Changing this value will
require recompiling all users of this library. Stack allocation is
relatively cheap and unwind-state copying is relatively rare, so we
want to err on making it rather too big than too small. */
/* FIXME for ARM. Too big? What do other things use for similar tasks? */
#define UNW_TDEP_CURSOR_LEN 4096
typedef uint32_t unw_word_t;
typedef int32_t unw_sword_t;
typedef long double unw_tdep_fpreg_t;
typedef enum
{
UNW_ARM_R0,
UNW_ARM_R1,
UNW_ARM_R2,
UNW_ARM_R3,
UNW_ARM_R4,
UNW_ARM_R5,
UNW_ARM_R6,
UNW_ARM_R7,
UNW_ARM_R8,
UNW_ARM_R9,
UNW_ARM_R10,
UNW_ARM_R11,
UNW_ARM_R12,
UNW_ARM_R13,
UNW_ARM_R14,
UNW_ARM_R15,
/* VFPv2 s0-s31 (obsolescent numberings). */
UNW_ARM_S0 = 64,
UNW_ARM_S1,
UNW_ARM_S2,
UNW_ARM_S3,
UNW_ARM_S4,
UNW_ARM_S5,
UNW_ARM_S6,
UNW_ARM_S7,
UNW_ARM_S8,
UNW_ARM_S9,
UNW_ARM_S10,
UNW_ARM_S11,
UNW_ARM_S12,
UNW_ARM_S13,
UNW_ARM_S14,
UNW_ARM_S15,
UNW_ARM_S16,
UNW_ARM_S17,
UNW_ARM_S18,
UNW_ARM_S19,
UNW_ARM_S20,
UNW_ARM_S21,
UNW_ARM_S22,
UNW_ARM_S23,
UNW_ARM_S24,
UNW_ARM_S25,
UNW_ARM_S26,
UNW_ARM_S27,
UNW_ARM_S28,
UNW_ARM_S29,
UNW_ARM_S30,
UNW_ARM_S31,
/* FPA register numberings. */
UNW_ARM_F0 = 96,
UNW_ARM_F1,
UNW_ARM_F2,
UNW_ARM_F3,
UNW_ARM_F4,
UNW_ARM_F5,
UNW_ARM_F6,
UNW_ARM_F7,
/* iWMMXt GR register numberings. */
UNW_ARM_wCGR0 = 104,
UNW_ARM_wCGR1,
UNW_ARM_wCGR2,
UNW_ARM_wCGR3,
UNW_ARM_wCGR4,
UNW_ARM_wCGR5,
UNW_ARM_wCGR6,
UNW_ARM_wCGR7,
/* iWMMXt register numberings. */
UNW_ARM_wR0 = 112,
UNW_ARM_wR1,
UNW_ARM_wR2,
UNW_ARM_wR3,
UNW_ARM_wR4,
UNW_ARM_wR5,
UNW_ARM_wR6,
UNW_ARM_wR7,
UNW_ARM_wR8,
UNW_ARM_wR9,
UNW_ARM_wR10,
UNW_ARM_wR11,
UNW_ARM_wR12,
UNW_ARM_wR13,
UNW_ARM_wR14,
UNW_ARM_wR15,
/* Two-byte encodings from here on. */
/* SPSR. */
UNW_ARM_SPSR = 128,
UNW_ARM_SPSR_FIQ,
UNW_ARM_SPSR_IRQ,
UNW_ARM_SPSR_ABT,
UNW_ARM_SPSR_UND,
UNW_ARM_SPSR_SVC,
/* User mode registers. */
UNW_ARM_R8_USR = 144,
UNW_ARM_R9_USR,
UNW_ARM_R10_USR,
UNW_ARM_R11_USR,
UNW_ARM_R12_USR,
UNW_ARM_R13_USR,
UNW_ARM_R14_USR,
/* FIQ registers. */
UNW_ARM_R8_FIQ = 151,
UNW_ARM_R9_FIQ,
UNW_ARM_R10_FIQ,
UNW_ARM_R11_FIQ,
UNW_ARM_R12_FIQ,
UNW_ARM_R13_FIQ,
UNW_ARM_R14_FIQ,
/* IRQ registers. */
UNW_ARM_R13_IRQ = 158,
UNW_ARM_R14_IRQ,
/* ABT registers. */
UNW_ARM_R13_ABT = 160,
UNW_ARM_R14_ABT,
/* UND registers. */
UNW_ARM_R13_UND = 162,
UNW_ARM_R14_UND,
/* SVC registers. */
UNW_ARM_R13_SVC = 164,
UNW_ARM_R14_SVC,
/* iWMMXt control registers. */
UNW_ARM_wC0 = 192,
UNW_ARM_wC1,
UNW_ARM_wC2,
UNW_ARM_wC3,
UNW_ARM_wC4,
UNW_ARM_wC5,
UNW_ARM_wC6,
UNW_ARM_wC7,
/* VFPv3/Neon 64-bit registers. */
UNW_ARM_D0 = 256,
UNW_ARM_D1,
UNW_ARM_D2,
UNW_ARM_D3,
UNW_ARM_D4,
UNW_ARM_D5,
UNW_ARM_D6,
UNW_ARM_D7,
UNW_ARM_D8,
UNW_ARM_D9,
UNW_ARM_D10,
UNW_ARM_D11,
UNW_ARM_D12,
UNW_ARM_D13,
UNW_ARM_D14,
UNW_ARM_D15,
UNW_ARM_D16,
UNW_ARM_D17,
UNW_ARM_D18,
UNW_ARM_D19,
UNW_ARM_D20,
UNW_ARM_D21,
UNW_ARM_D22,
UNW_ARM_D23,
UNW_ARM_D24,
UNW_ARM_D25,
UNW_ARM_D26,
UNW_ARM_D27,
UNW_ARM_D28,
UNW_ARM_D29,
UNW_ARM_D30,
UNW_ARM_D31,
/* For ARM, the CFA is the value of SP (r13) at the call site in the
previous frame. */
UNW_ARM_CFA,
UNW_TDEP_LAST_REG = UNW_ARM_D31,
UNW_TDEP_IP = UNW_ARM_R14, /* A little white lie. */
UNW_TDEP_SP = UNW_ARM_R13,
UNW_TDEP_EH = UNW_ARM_R0 /* FIXME. */
}
arm_regnum_t;
#define UNW_TDEP_NUM_EH_REGS 2 /* FIXME for ARM. */
typedef struct unw_tdep_save_loc
{
/* Additional target-dependent info on a save location. */
}
unw_tdep_save_loc_t;
/* On ARM, we define our own unw_tdep_context instead of using ucontext_t.
This allows us to support systems that don't support getcontext and
therefore do not define ucontext_t. */
typedef struct unw_tdep_context
{
unsigned long regs[16];
}
unw_tdep_context_t;
/* There is no getcontext() on ARM. Use a stub version which only saves GP
registers. FIXME: Not ideal, may not be sufficient for all libunwind
use cases. Stores pc+8, which is only approximately correct, really. */
#ifndef __thumb__
#define unw_tdep_getcontext(uc) (({ \
unw_tdep_context_t *unw_ctx = (uc); \
register unsigned long *unw_base asm ("r0") = unw_ctx->regs; \
__asm__ __volatile__ ( \
"stmia %[base], {r0-r15}" \
: : [base] "r" (unw_base) : "memory"); \
}), 0)
#else /* __thumb__ */
#define unw_tdep_getcontext(uc) (({ \
unw_tdep_context_t *unw_ctx = (uc); \
register unsigned long *unw_base asm ("r0") = unw_ctx->regs; \
__asm__ __volatile__ ( \
".align 2\nbx pc\nnop\n.code 32\n" \
"stmia %[base], {r0-r15}\n" \
"orr %[base], pc, #1\nbx %[base]" \
: [base] "+r" (unw_base) : : "memory", "cc"); \
}), 0)
#endif
#include "libunwind-dynamic.h"
typedef struct
{
/* no arm-specific auxiliary proc-info */
}
unw_tdep_proc_info_t;
#include "libunwind-common.h"
#define unw_tdep_is_fpreg UNW_ARCH_OBJ(is_fpreg)
extern int unw_tdep_is_fpreg (int);
#if defined(__cplusplus) || defined(c_plusplus)
}
#endif
#endif /* LIBUNWIND_H */
contrib/libunwind/include/libunwind-common.h 0 → 100644
浏览文件 @ 2aec6efd
/* libunwind - a platform-independent unwind library
Copyright (C) 2001-2004 Hewlett-Packard Co
Contributed by David Mosberger-Tang <davidm@hpl.hp.com>
This file is part of libunwind.
Permission is hereby granted, free of charge, to any person obtaining
a copy of this software and associated documentation files (the
"Software"), to deal in the Software without restriction, including
without limitation the rights to use, copy, modify, merge, publish,
distribute, sublicense, and/or sell copies of the Software, and to
permit persons to whom the Software is furnished to do so, subject to
the following conditions:
The above copyright notice and this permission notice shall be
included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
#define UNW_VERSION_MAJOR 1
#define UNW_VERSION_MINOR 2
#define UNW_VERSION_EXTRA
#define UNW_VERSION_CODE(maj,min) (((maj) << 16) | (min))
#define UNW_VERSION UNW_VERSION_CODE(UNW_VERSION_MAJOR, UNW_VERSION_MINOR)
#define UNW_PASTE2(x,y) x##y
#define UNW_PASTE(x,y) UNW_PASTE2(x,y)
#define UNW_OBJ(fn) UNW_PASTE(UNW_PREFIX, fn)
#define UNW_ARCH_OBJ(fn) UNW_PASTE(UNW_PASTE(UNW_PASTE(_U,UNW_TARGET),_), fn)
#ifdef UNW_LOCAL_ONLY
# define UNW_PREFIX UNW_PASTE(UNW_PASTE(_UL,UNW_TARGET),_)
#else /* !UNW_LOCAL_ONLY */
# define UNW_PREFIX UNW_PASTE(UNW_PASTE(_U,UNW_TARGET),_)
#endif /* !UNW_LOCAL_ONLY */
/* Error codes. The unwind routines return the *negated* values of
these error codes on error and a non-negative value on success. */
typedef enum
{
UNW_ESUCCESS = 0, /* no error */
UNW_EUNSPEC, /* unspecified (general) error */
UNW_ENOMEM, /* out of memory */
UNW_EBADREG, /* bad register number */
UNW_EREADONLYREG, /* attempt to write read-only register */
UNW_ESTOPUNWIND, /* stop unwinding */
UNW_EINVALIDIP, /* invalid IP */
UNW_EBADFRAME, /* bad frame */
UNW_EINVAL, /* unsupported operation or bad value */
UNW_EBADVERSION, /* unwind info has unsupported version */
UNW_ENOINFO /* no unwind info found */
}
unw_error_t;
/* The following enum defines the indices for a couple of
(pseudo-)registers which have the same meaning across all
platforms. (RO) means read-only. (RW) means read-write. General
registers (aka "integer registers") are expected to start with
index 0. The number of such registers is architecture-dependent.
The remaining indices can be used as an architecture sees fit. The
last valid register index is given by UNW_REG_LAST. */
typedef enum
{
UNW_REG_IP = UNW_TDEP_IP, /* (rw) instruction pointer (pc) */
UNW_REG_SP = UNW_TDEP_SP, /* (ro) stack pointer */
UNW_REG_EH = UNW_TDEP_EH, /* (rw) exception-handling reg base */
UNW_REG_LAST = UNW_TDEP_LAST_REG
}
unw_frame_regnum_t;
/* Number of exception-handler argument registers: */
#define UNW_NUM_EH_REGS UNW_TDEP_NUM_EH_REGS
typedef enum
{
UNW_CACHE_NONE, /* no caching */
UNW_CACHE_GLOBAL, /* shared global cache */
UNW_CACHE_PER_THREAD /* per-thread caching */
}
unw_caching_policy_t;
typedef int unw_regnum_t;
/* The unwind cursor starts at the youngest (most deeply nested) frame
and is used to track the frame state as the unwinder steps from
frame to frame. It is safe to make (shallow) copies of variables
of this type. */
typedef struct unw_cursor
{
unw_word_t opaque[UNW_TDEP_CURSOR_LEN];
}
unw_cursor_t;
/* This type encapsulates the entire (preserved) machine-state. */
typedef unw_tdep_context_t unw_context_t;
/* unw_getcontext() fills the unw_context_t pointed to by UC with the
machine state as it exists at the call-site. For implementation
reasons, this needs to be a target-dependent macro. It's easiest
to think of unw_getcontext() as being identical to getcontext(). */
#define unw_getcontext(uc) unw_tdep_getcontext(uc)
/* Return 1 if register number R is a floating-point register, zero
otherwise.
This routine is signal-safe. */
#define unw_is_fpreg(r) unw_tdep_is_fpreg(r)
typedef unw_tdep_fpreg_t unw_fpreg_t;
typedef struct unw_addr_space *unw_addr_space_t;
/* Each target may define it's own set of flags, but bits 0-15 are
reserved for general libunwind-use. */
#define UNW_PI_FLAG_FIRST_TDEP_BIT 16
/* The information comes from a .debug_frame section. */
#define UNW_PI_FLAG_DEBUG_FRAME 32
typedef struct unw_proc_info
{
unw_word_t start_ip; /* first IP covered by this procedure */
unw_word_t end_ip; /* first IP NOT covered by this procedure */
#if defined(NEED_LAST_IP)
unw_word_t last_ip; /* first IP that could begin another procedure */
#endif
unw_word_t lsda; /* address of lang.-spec. data area (if any) */
unw_word_t handler; /* optional personality routine */
unw_word_t gp; /* global-pointer value for this procedure */
unw_word_t flags; /* misc. flags */
int format; /* unwind-info format (arch-specific) */
int unwind_info_size; /* size of the information (if applicable) */
void *unwind_info; /* unwind-info (arch-specific) */
unw_tdep_proc_info_t extra; /* target-dependent auxiliary proc-info */
}
unw_proc_info_t;
typedef int (*unw_reg_states_callback)(void *token,
void *reg_states_data,
size_t reg_states_data_size,
unw_word_t start_ip, unw_word_t end_ip);
/* These are backend callback routines that provide access to the
state of a "remote" process. This can be used, for example, to
unwind another process through the ptrace() interface. */
typedef struct unw_accessors
{
/* Look up the unwind info associated with instruction-pointer IP.
On success, the routine fills in the PROC_INFO structure. */
int (*find_proc_info) (unw_addr_space_t, unw_word_t, unw_proc_info_t *,
int, void *);
/* Release any resources (e.g., memory) that were allocated for
the unwind info returned in by a previous call to
find_proc_info() with NEED_UNWIND_INFO set to 1. */
void (*put_unwind_info) (unw_addr_space_t, unw_proc_info_t *, void *);
/* Return the list-head of the dynamically registered unwind
info. */
int (*get_dyn_info_list_addr) (unw_addr_space_t, unw_word_t *, void *);
/* Access aligned word at address ADDR. The value is returned
according to the endianness of the host (e.g., if the host is
little-endian and the target is big-endian, access_mem() needs
to byte-swap the value before returning it). */
int (*access_mem) (unw_addr_space_t, unw_word_t, unw_word_t *, int,
void *);
/* Access register number REG at address ADDR. */
int (*access_reg) (unw_addr_space_t, unw_regnum_t, unw_word_t *, int,
void *);
/* Access register number REG at address ADDR. */
int (*access_fpreg) (unw_addr_space_t, unw_regnum_t,
unw_fpreg_t *, int, void *);
int (*resume) (unw_addr_space_t, unw_cursor_t *, void *);
/* Optional call back to obtain the name of a (static) procedure.
Dynamically generated procedures are handled automatically by
libunwind. This callback is optional and may be set to
NULL. */
int (*get_proc_name) (unw_addr_space_t, unw_word_t, char *, size_t,
unw_word_t *, void *);
}
unw_accessors_t;
typedef enum unw_save_loc_type
{
UNW_SLT_NONE, /* register is not saved ("not an l-value") */
UNW_SLT_MEMORY, /* register has been saved in memory */
UNW_SLT_REG /* register has been saved in (another) register */
}
unw_save_loc_type_t;
typedef struct unw_save_loc
{
unw_save_loc_type_t type;
union
{
unw_word_t addr; /* valid if type==UNW_SLT_MEMORY */
unw_regnum_t regnum; /* valid if type==UNW_SLT_REG */
}
u;
unw_tdep_save_loc_t extra; /* target-dependent additional information */
}
unw_save_loc_t;
/* These routines work both for local and remote unwinding. */
#define unw_local_addr_space UNW_OBJ(local_addr_space)
#define unw_create_addr_space UNW_OBJ(create_addr_space)
#define unw_destroy_addr_space UNW_OBJ(destroy_addr_space)
#define unw_get_accessors UNW_ARCH_OBJ(get_accessors)
#define unw_init_local UNW_OBJ(init_local)
#define unw_init_local_signal UNW_OBJ(init_local_signal)
#define unw_init_remote UNW_OBJ(init_remote)
#define unw_step UNW_OBJ(step)
#define unw_resume UNW_OBJ(resume)
#define unw_get_proc_info UNW_OBJ(get_proc_info)
#define unw_get_proc_info_by_ip UNW_OBJ(get_proc_info_by_ip)
#define unw_reg_states_iterate UNW_OBJ(reg_states_iterate)
#define unw_apply_reg_state UNW_OBJ(apply_reg_state)
#define unw_get_reg UNW_OBJ(get_reg)
#define unw_set_reg UNW_OBJ(set_reg)
#define unw_get_fpreg UNW_OBJ(get_fpreg)
#define unw_set_fpreg UNW_OBJ(set_fpreg)
#define unw_get_save_loc UNW_OBJ(get_save_loc)
#define unw_is_signal_frame UNW_OBJ(is_signal_frame)
#define unw_handle_signal_frame UNW_OBJ(handle_signal_frame)
#define unw_get_proc_name UNW_OBJ(get_proc_name)
#define unw_set_caching_policy UNW_OBJ(set_caching_policy)
#define unw_set_cache_size UNW_OBJ(set_cache_size)
#define unw_regname UNW_ARCH_OBJ(regname)
#define unw_flush_cache UNW_ARCH_OBJ(flush_cache)
#define unw_strerror UNW_ARCH_OBJ(strerror)
extern unw_addr_space_t unw_create_addr_space (unw_accessors_t *, int);
extern void unw_destroy_addr_space (unw_addr_space_t);
extern unw_accessors_t *unw_get_accessors (unw_addr_space_t);
extern void unw_flush_cache (unw_addr_space_t, unw_word_t, unw_word_t);
extern int unw_set_caching_policy (unw_addr_space_t, unw_caching_policy_t);
extern int unw_set_cache_size (unw_addr_space_t, size_t, int);
extern const char *unw_regname (unw_regnum_t);
extern int unw_init_local (unw_cursor_t *, unw_context_t *);
extern int unw_init_local_signal (unw_cursor_t *, unw_context_t *);
extern int unw_init_remote (unw_cursor_t *, unw_addr_space_t, void *);
extern int unw_step (unw_cursor_t *);
extern int unw_resume (unw_cursor_t *);
extern int unw_get_proc_info (unw_cursor_t *, unw_proc_info_t *);
extern int unw_get_proc_info_by_ip (unw_addr_space_t, unw_word_t,
unw_proc_info_t *, void *);
extern int unw_reg_states_iterate (unw_cursor_t *, unw_reg_states_callback, void *);
extern int unw_apply_reg_state (unw_cursor_t *, void *);
extern int unw_get_reg (unw_cursor_t *, int, unw_word_t *);
extern int unw_set_reg (unw_cursor_t *, int, unw_word_t);
extern int unw_get_fpreg (unw_cursor_t *, int, unw_fpreg_t *);
extern int unw_set_fpreg (unw_cursor_t *, int, unw_fpreg_t);
extern int unw_get_save_loc (unw_cursor_t *, int, unw_save_loc_t *);
extern int unw_is_signal_frame (unw_cursor_t *);
extern int unw_handle_signal_frame (unw_cursor_t *);
extern int unw_get_proc_name (unw_cursor_t *, char *, size_t, unw_word_t *);
extern const char *unw_strerror (int);
extern int unw_backtrace (void **, int);
extern unw_addr_space_t unw_local_addr_space;
contrib/libunwind/include/libunwind-common.h.in 0 → 100644
浏览文件 @ 2aec6efd
/* libunwind - a platform-independent unwind library
Copyright (C) 2001-2004 Hewlett-Packard Co
Contributed by David Mosberger-Tang <davidm@hpl.hp.com>
This file is part of libunwind.
Permission is hereby granted, free of charge, to any person obtaining
a copy of this software and associated documentation files (the
"Software"), to deal in the Software without restriction, including
without limitation the rights to use, copy, modify, merge, publish,
distribute, sublicense, and/or sell copies of the Software, and to
permit persons to whom the Software is furnished to do so, subject to
the following conditions:
The above copyright notice and this permission notice shall be
included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
#define UNW_VERSION_MAJOR @PKG_MAJOR@
#define UNW_VERSION_MINOR @PKG_MINOR@
#define UNW_VERSION_EXTRA @PKG_EXTRA@
#define UNW_VERSION_CODE(maj,min) (((maj) << 16) | (min))
#define UNW_VERSION UNW_VERSION_CODE(UNW_VERSION_MAJOR, UNW_VERSION_MINOR)
#define UNW_PASTE2(x,y) x##y
#define UNW_PASTE(x,y) UNW_PASTE2(x,y)
#define UNW_OBJ(fn) UNW_PASTE(UNW_PREFIX, fn)
#define UNW_ARCH_OBJ(fn) UNW_PASTE(UNW_PASTE(UNW_PASTE(_U,UNW_TARGET),_), fn)
#ifdef UNW_LOCAL_ONLY
# define UNW_PREFIX UNW_PASTE(UNW_PASTE(_UL,UNW_TARGET),_)
#else /* !UNW_LOCAL_ONLY */
# define UNW_PREFIX UNW_PASTE(UNW_PASTE(_U,UNW_TARGET),_)
#endif /* !UNW_LOCAL_ONLY */
/* Error codes. The unwind routines return the *negated* values of
these error codes on error and a non-negative value on success. */
typedef enum
{
UNW_ESUCCESS = 0, /* no error */
UNW_EUNSPEC, /* unspecified (general) error */
UNW_ENOMEM, /* out of memory */
UNW_EBADREG, /* bad register number */
UNW_EREADONLYREG, /* attempt to write read-only register */
UNW_ESTOPUNWIND, /* stop unwinding */
UNW_EINVALIDIP, /* invalid IP */
UNW_EBADFRAME, /* bad frame */
UNW_EINVAL, /* unsupported operation or bad value */
UNW_EBADVERSION, /* unwind info has unsupported version */
UNW_ENOINFO /* no unwind info found */
}
unw_error_t;
/* The following enum defines the indices for a couple of
(pseudo-)registers which have the same meaning across all
platforms. (RO) means read-only. (RW) means read-write. General
registers (aka "integer registers") are expected to start with
index 0. The number of such registers is architecture-dependent.
The remaining indices can be used as an architecture sees fit. The
last valid register index is given by UNW_REG_LAST. */
typedef enum
{
UNW_REG_IP = UNW_TDEP_IP, /* (rw) instruction pointer (pc) */
UNW_REG_SP = UNW_TDEP_SP, /* (ro) stack pointer */
UNW_REG_EH = UNW_TDEP_EH, /* (rw) exception-handling reg base */
UNW_REG_LAST = UNW_TDEP_LAST_REG
}
unw_frame_regnum_t;
/* Number of exception-handler argument registers: */
#define UNW_NUM_EH_REGS UNW_TDEP_NUM_EH_REGS
typedef enum
{
UNW_CACHE_NONE, /* no caching */
UNW_CACHE_GLOBAL, /* shared global cache */
UNW_CACHE_PER_THREAD /* per-thread caching */
}
unw_caching_policy_t;
typedef int unw_regnum_t;
/* The unwind cursor starts at the youngest (most deeply nested) frame
and is used to track the frame state as the unwinder steps from
frame to frame. It is safe to make (shallow) copies of variables
of this type. */
typedef struct unw_cursor
{
unw_word_t opaque[UNW_TDEP_CURSOR_LEN];
}
unw_cursor_t;
/* This type encapsulates the entire (preserved) machine-state. */
typedef unw_tdep_context_t unw_context_t;
/* unw_getcontext() fills the unw_context_t pointed to by UC with the
machine state as it exists at the call-site. For implementation
reasons, this needs to be a target-dependent macro. It's easiest
to think of unw_getcontext() as being identical to getcontext(). */
#define unw_getcontext(uc) unw_tdep_getcontext(uc)
/* Return 1 if register number R is a floating-point register, zero
otherwise.
This routine is signal-safe. */
#define unw_is_fpreg(r) unw_tdep_is_fpreg(r)
typedef unw_tdep_fpreg_t unw_fpreg_t;
typedef struct unw_addr_space *unw_addr_space_t;
/* Each target may define it's own set of flags, but bits 0-15 are
reserved for general libunwind-use. */
#define UNW_PI_FLAG_FIRST_TDEP_BIT 16
/* The information comes from a .debug_frame section. */
#define UNW_PI_FLAG_DEBUG_FRAME 32
typedef struct unw_proc_info
{
unw_word_t start_ip; /* first IP covered by this procedure */
unw_word_t end_ip; /* first IP NOT covered by this procedure */
#if defined(NEED_LAST_IP)
unw_word_t last_ip; /* first IP that could begin another procedure */
#endif
unw_word_t lsda; /* address of lang.-spec. data area (if any) */
unw_word_t handler; /* optional personality routine */
unw_word_t gp; /* global-pointer value for this procedure */
unw_word_t flags; /* misc. flags */
int format; /* unwind-info format (arch-specific) */
int unwind_info_size; /* size of the information (if applicable) */
void *unwind_info; /* unwind-info (arch-specific) */
unw_tdep_proc_info_t extra; /* target-dependent auxiliary proc-info */
}
unw_proc_info_t;
typedef int (*unw_reg_states_callback)(void *token,
void *reg_states_data,
size_t reg_states_data_size,
unw_word_t start_ip, unw_word_t end_ip);
/* These are backend callback routines that provide access to the
state of a "remote" process. This can be used, for example, to
unwind another process through the ptrace() interface. */
typedef struct unw_accessors
{
/* Look up the unwind info associated with instruction-pointer IP.
On success, the routine fills in the PROC_INFO structure. */
int (*find_proc_info) (unw_addr_space_t, unw_word_t, unw_proc_info_t *,
int, void *);
/* Release any resources (e.g., memory) that were allocated for
the unwind info returned in by a previous call to
find_proc_info() with NEED_UNWIND_INFO set to 1. */
void (*put_unwind_info) (unw_addr_space_t, unw_proc_info_t *, void *);
/* Return the list-head of the dynamically registered unwind
info. */
int (*get_dyn_info_list_addr) (unw_addr_space_t, unw_word_t *, void *);
/* Access aligned word at address ADDR. The value is returned
according to the endianness of the host (e.g., if the host is
little-endian and the target is big-endian, access_mem() needs
to byte-swap the value before returning it). */
int (*access_mem) (unw_addr_space_t, unw_word_t, unw_word_t *, int,
void *);
/* Access register number REG at address ADDR. */
int (*access_reg) (unw_addr_space_t, unw_regnum_t, unw_word_t *, int,
void *);
/* Access register number REG at address ADDR. */
int (*access_fpreg) (unw_addr_space_t, unw_regnum_t,
unw_fpreg_t *, int, void *);
int (*resume) (unw_addr_space_t, unw_cursor_t *, void *);
/* Optional call back to obtain the name of a (static) procedure.
Dynamically generated procedures are handled automatically by
libunwind. This callback is optional and may be set to
NULL. */
int (*get_proc_name) (unw_addr_space_t, unw_word_t, char *, size_t,
unw_word_t *, void *);
}
unw_accessors_t;
typedef enum unw_save_loc_type
{
UNW_SLT_NONE, /* register is not saved ("not an l-value") */
UNW_SLT_MEMORY, /* register has been saved in memory */
UNW_SLT_REG /* register has been saved in (another) register */
}
unw_save_loc_type_t;
typedef struct unw_save_loc
{
unw_save_loc_type_t type;
union
{
unw_word_t addr; /* valid if type==UNW_SLT_MEMORY */
unw_regnum_t regnum; /* valid if type==UNW_SLT_REG */
}
u;
unw_tdep_save_loc_t extra; /* target-dependent additional information */
}
unw_save_loc_t;
/* These routines work both for local and remote unwinding. */
#define unw_local_addr_space UNW_OBJ(local_addr_space)
#define unw_create_addr_space UNW_OBJ(create_addr_space)
#define unw_destroy_addr_space UNW_OBJ(destroy_addr_space)
#define unw_get_accessors UNW_ARCH_OBJ(get_accessors)
#define unw_init_local UNW_OBJ(init_local)
#define unw_init_local_signal UNW_OBJ(init_local_signal)
#define unw_init_remote UNW_OBJ(init_remote)
#define unw_step UNW_OBJ(step)
#define unw_resume UNW_OBJ(resume)
#define unw_get_proc_info UNW_OBJ(get_proc_info)
#define unw_get_proc_info_by_ip UNW_OBJ(get_proc_info_by_ip)
#define unw_reg_states_iterate UNW_OBJ(reg_states_iterate)
#define unw_apply_reg_state UNW_OBJ(apply_reg_state)
#define unw_get_reg UNW_OBJ(get_reg)
#define unw_set_reg UNW_OBJ(set_reg)
#define unw_get_fpreg UNW_OBJ(get_fpreg)
#define unw_set_fpreg UNW_OBJ(set_fpreg)
#define unw_get_save_loc UNW_OBJ(get_save_loc)
#define unw_is_signal_frame UNW_OBJ(is_signal_frame)
#define unw_handle_signal_frame UNW_OBJ(handle_signal_frame)
#define unw_get_proc_name UNW_OBJ(get_proc_name)
#define unw_set_caching_policy UNW_OBJ(set_caching_policy)
#define unw_set_cache_size UNW_OBJ(set_cache_size)
#define unw_regname UNW_ARCH_OBJ(regname)
#define unw_flush_cache UNW_ARCH_OBJ(flush_cache)
#define unw_strerror UNW_ARCH_OBJ(strerror)
extern unw_addr_space_t unw_create_addr_space (unw_accessors_t *, int);
extern void unw_destroy_addr_space (unw_addr_space_t);
extern unw_accessors_t *unw_get_accessors (unw_addr_space_t);
extern void unw_flush_cache (unw_addr_space_t, unw_word_t, unw_word_t);
extern int unw_set_caching_policy (unw_addr_space_t, unw_caching_policy_t);
extern int unw_set_cache_size (unw_addr_space_t, size_t, int);
extern const char *unw_regname (unw_regnum_t);
extern int unw_init_local (unw_cursor_t *, unw_context_t *);
extern int unw_init_local_signal (unw_cursor_t *, unw_context_t *);
extern int unw_init_remote (unw_cursor_t *, unw_addr_space_t, void *);
extern int unw_step (unw_cursor_t *);
extern int unw_resume (unw_cursor_t *);
extern int unw_get_proc_info (unw_cursor_t *, unw_proc_info_t *);
extern int unw_get_proc_info_by_ip (unw_addr_space_t, unw_word_t,
unw_proc_info_t *, void *);
extern int unw_reg_states_iterate (unw_cursor_t *, unw_reg_states_callback, void *);
extern int unw_apply_reg_state (unw_cursor_t *, void *);
extern int unw_get_reg (unw_cursor_t *, int, unw_word_t *);
extern int unw_set_reg (unw_cursor_t *, int, unw_word_t);
extern int unw_get_fpreg (unw_cursor_t *, int, unw_fpreg_t *);
extern int unw_set_fpreg (unw_cursor_t *, int, unw_fpreg_t);
extern int unw_get_save_loc (unw_cursor_t *, int, unw_save_loc_t *);
extern int unw_is_signal_frame (unw_cursor_t *);
extern int unw_handle_signal_frame (unw_cursor_t *);
extern int unw_get_proc_name (unw_cursor_t *, char *, size_t, unw_word_t *);
extern const char *unw_strerror (int);
extern int unw_backtrace (void **, int);
extern unw_addr_space_t unw_local_addr_space;
contrib/libunwind/include/libunwind-coredump.h 0 → 100644
浏览文件 @ 2aec6efd
/* libunwind - a platform-independent unwind library
This file is part of libunwind.
Permission is hereby granted, free of charge, to any person obtaining
a copy of this software and associated documentation files (the
"Software"), to deal in the Software without restriction, including
without limitation the rights to use, copy, modify, merge, publish,
distribute, sublicense, and/or sell copies of the Software, and to
permit persons to whom the Software is furnished to do so, subject to
the following conditions:
The above copyright notice and this permission notice shall be
included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
#ifndef libunwind_coredump_h
#define libunwind_coredump_h
#include <libunwind.h>
#if defined(__cplusplus) || defined(c_plusplus)
extern "C" {
#endif
/* Helper routines which make it easy to use libunwind on a coredump.
They're available only if UNW_REMOTE_ONLY is _not_ defined and they
aren't really part of the libunwind API. They are implemented in a
archive library called libunwind-coredump.a. */
struct UCD_info;
extern struct UCD_info *_UCD_create(const char *filename);
extern void _UCD_destroy(struct UCD_info *);
extern int _UCD_get_num_threads(struct UCD_info *);
extern void _UCD_select_thread(struct UCD_info *, int);
extern pid_t _UCD_get_pid(struct UCD_info *);
extern int _UCD_get_cursig(struct UCD_info *);
extern int _UCD_add_backing_file_at_segment(struct UCD_info *, int phdr_no, const char *filename);
extern int _UCD_add_backing_file_at_vaddr(struct UCD_info *,
unsigned long vaddr,
const char *filename);
extern int _UCD_find_proc_info (unw_addr_space_t, unw_word_t,
unw_proc_info_t *, int, void *);
extern void _UCD_put_unwind_info (unw_addr_space_t, unw_proc_info_t *, void *);
extern int _UCD_get_dyn_info_list_addr (unw_addr_space_t, unw_word_t *,
void *);
extern int _UCD_access_mem (unw_addr_space_t, unw_word_t, unw_word_t *, int,
void *);
extern int _UCD_access_reg (unw_addr_space_t, unw_regnum_t, unw_word_t *,
int, void *);
extern int _UCD_access_fpreg (unw_addr_space_t, unw_regnum_t, unw_fpreg_t *,
int, void *);
extern int _UCD_get_proc_name (unw_addr_space_t, unw_word_t, char *, size_t,
unw_word_t *, void *);
extern int _UCD_resume (unw_addr_space_t, unw_cursor_t *, void *);
extern unw_accessors_t _UCD_accessors;
#if defined(__cplusplus) || defined(c_plusplus)
}
#endif
#endif /* libunwind_coredump_h */
contrib/libunwind/include/libunwind-dynamic.h 0 → 100644
浏览文件 @ 2aec6efd
/* libunwind - a platform-independent unwind library
Copyright (C) 2002-2004 Hewlett-Packard Co
Contributed by David Mosberger-Tang <davidm@hpl.hp.com>
This file is part of libunwind.
Permission is hereby granted, free of charge, to any person obtaining
a copy of this software and associated documentation files (the
"Software"), to deal in the Software without restriction, including
without limitation the rights to use, copy, modify, merge, publish,
distribute, sublicense, and/or sell copies of the Software, and to
permit persons to whom the Software is furnished to do so, subject to
the following conditions:
The above copyright notice and this permission notice shall be
included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/* This file defines the runtime-support routines for dynamically
generated code. Even though it is implemented as part of libunwind,
it is logically separate from the interface to perform the actual
unwinding. In particular, this interface is always used in the
context of the unwind target, whereas the rest of the unwind API is
used in context of the process that is doing the unwind (which may be
a debugger running on another machine, for example).
Note that the data-structures declared here server a dual purpose:
when a program registers a dynamically generated procedure, it uses
these structures directly. On the other hand, with remote-unwinding,
the data-structures are read from the remote process's memory and
translated into internalized versions. To facilitate remote-access,
the following rules should be followed in declaring these structures:
(1) Declare a member as a pointer only if the the information the
member points to needs to be internalized as well (e.g., a
string representing a procedure name should be declared as
"const char *", but the instruction pointer should be declared
as unw_word_t).
(2) Provide sufficient padding to ensure that no implicit padding
will be needed on any of the supported target architectures. For
the time being, padding data structures with the assumption that
sizeof (unw_word_t) == 8 should be sufficient. (Note: it's not
impossible to internalize structures with internal padding, but
it does make the process a bit harder).
(3) Don't declare members that contain bitfields or floating-point
values.
(4) Don't declare members with enumeration types. Declare them as
int32_t instead. */
typedef enum
{
UNW_DYN_STOP = 0, /* end-of-unwind-info marker */
UNW_DYN_SAVE_REG, /* save register to another register */
UNW_DYN_SPILL_FP_REL, /* frame-pointer-relative register spill */
UNW_DYN_SPILL_SP_REL, /* stack-pointer-relative register spill */
UNW_DYN_ADD, /* add constant value to a register */
UNW_DYN_POP_FRAMES, /* drop one or more stack frames */
UNW_DYN_LABEL_STATE, /* name the current state */
UNW_DYN_COPY_STATE, /* set the region's entry-state */
UNW_DYN_ALIAS /* get unwind info from an alias */
}
unw_dyn_operation_t;
typedef enum
{
UNW_INFO_FORMAT_DYNAMIC, /* unw_dyn_proc_info_t */
UNW_INFO_FORMAT_TABLE, /* unw_dyn_table_t */
UNW_INFO_FORMAT_REMOTE_TABLE, /* unw_dyn_remote_table_t */
UNW_INFO_FORMAT_ARM_EXIDX, /* ARM specific unwind info */
UNW_INFO_FORMAT_IP_OFFSET, /* Like UNW_INFO_FORMAT_REMOTE_TABLE, but
table entries are considered
relative to di->start_ip, rather
than di->segbase */
}
unw_dyn_info_format_t;
typedef struct unw_dyn_op
{
int8_t tag; /* what operation? */
int8_t qp; /* qualifying predicate register */
int16_t reg; /* what register */
int32_t when; /* when does it take effect? */
unw_word_t val; /* auxiliary value */
}
unw_dyn_op_t;
typedef struct unw_dyn_region_info
{
struct unw_dyn_region_info *next; /* linked list of regions */
int32_t insn_count; /* region length (# of instructions) */
uint32_t op_count; /* length of op-array */
unw_dyn_op_t op[1]; /* variable-length op-array */
}
unw_dyn_region_info_t;
typedef struct unw_dyn_proc_info
{
unw_word_t name_ptr; /* address of human-readable procedure name */
unw_word_t handler; /* address of personality routine */
uint32_t flags;
int32_t pad0;
unw_dyn_region_info_t *regions;
}
unw_dyn_proc_info_t;
typedef struct unw_dyn_table_info
{
unw_word_t name_ptr; /* addr. of table name (e.g., library name) */
unw_word_t segbase; /* segment base */
unw_word_t table_len; /* must be a multiple of sizeof(unw_word_t)! */
unw_word_t *table_data;
}
unw_dyn_table_info_t;
typedef struct unw_dyn_remote_table_info
{
unw_word_t name_ptr; /* addr. of table name (e.g., library name) */
unw_word_t segbase; /* segment base */
unw_word_t table_len; /* must be a multiple of sizeof(unw_word_t)! */
unw_word_t table_data;
}
unw_dyn_remote_table_info_t;
typedef struct unw_dyn_info
{
/* doubly-linked list of dyn-info structures: */
struct unw_dyn_info *next;
struct unw_dyn_info *prev;
unw_word_t start_ip; /* first IP covered by this entry */
unw_word_t end_ip; /* first IP NOT covered by this entry */
unw_word_t gp; /* global-pointer in effect for this entry */
int32_t format; /* real type: unw_dyn_info_format_t */
int32_t pad;
union
{
unw_dyn_proc_info_t pi;
unw_dyn_table_info_t ti;
unw_dyn_remote_table_info_t rti;
}
u;
}
unw_dyn_info_t;
typedef struct unw_dyn_info_list
{
uint32_t version;
uint32_t generation;
unw_dyn_info_t *first;
}
unw_dyn_info_list_t;
/* Return the size (in bytes) of an unw_dyn_region_info_t structure that can
hold OP_COUNT ops. */
#define _U_dyn_region_info_size(op_count) \
((char *) (((unw_dyn_region_info_t *) NULL)->op + (op_count)) \
- (char *) NULL)
/* Register the unwind info for a single procedure.
This routine is NOT signal-safe. */
extern void _U_dyn_register (unw_dyn_info_t *);
/* Cancel the unwind info for a single procedure.
This routine is NOT signal-safe. */
extern void _U_dyn_cancel (unw_dyn_info_t *);
/* Convenience routines. */
#define _U_dyn_op(_tag, _qp, _when, _reg, _val) \
((unw_dyn_op_t) { (_tag), (_qp), (_reg), (_when), (_val) })
#define _U_dyn_op_save_reg(op, qp, when, reg, dst) \
(*(op) = _U_dyn_op (UNW_DYN_SAVE_REG, (qp), (when), (reg), (dst)))
#define _U_dyn_op_spill_fp_rel(op, qp, when, reg, offset) \
(*(op) = _U_dyn_op (UNW_DYN_SPILL_FP_REL, (qp), (when), (reg), \
(offset)))
#define _U_dyn_op_spill_sp_rel(op, qp, when, reg, offset) \
(*(op) = _U_dyn_op (UNW_DYN_SPILL_SP_REL, (qp), (when), (reg), \
(offset)))
#define _U_dyn_op_add(op, qp, when, reg, value) \
(*(op) = _U_dyn_op (UNW_DYN_ADD, (qp), (when), (reg), (value)))
#define _U_dyn_op_pop_frames(op, qp, when, num_frames) \
(*(op) = _U_dyn_op (UNW_DYN_POP_FRAMES, (qp), (when), 0, (num_frames)))
#define _U_dyn_op_label_state(op, label) \
(*(op) = _U_dyn_op (UNW_DYN_LABEL_STATE, _U_QP_TRUE, -1, 0, (label)))
#define _U_dyn_op_copy_state(op, label) \
(*(op) = _U_dyn_op (UNW_DYN_COPY_STATE, _U_QP_TRUE, -1, 0, (label)))
#define _U_dyn_op_alias(op, qp, when, addr) \
(*(op) = _U_dyn_op (UNW_DYN_ALIAS, (qp), (when), 0, (addr)))
#define _U_dyn_op_stop(op) \
(*(op) = _U_dyn_op (UNW_DYN_STOP, _U_QP_TRUE, -1, 0, 0))
/* The target-dependent qualifying predicate which is always TRUE. On
IA-64, that's p0 (0), on non-predicated architectures, the value is
ignored. */
#define _U_QP_TRUE _U_TDEP_QP_TRUE
contrib/libunwind/include/libunwind-hppa.h 0 → 100644
浏览文件 @ 2aec6efd
/* libunwind - a platform-independent unwind library
Copyright (C) 2003-2004 Hewlett-Packard Co
This file is part of libunwind.
Permission is hereby granted, free of charge, to any person obtaining
a copy of this software and associated documentation files (the
"Software"), to deal in the Software without restriction, including
without limitation the rights to use, copy, modify, merge, publish,
distribute, sublicense, and/or sell copies of the Software, and to
permit persons to whom the Software is furnished to do so, subject to
the following conditions:
The above copyright notice and this permission notice shall be
included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
#ifndef LIBUNWIND_H
#define LIBUNWIND_H
#if defined(__cplusplus) || defined(c_plusplus)
extern "C" {
#endif
#include <inttypes.h>
#include <ucontext.h>
#define UNW_TARGET hppa
#define UNW_TARGET_HPPA 1
#define _U_TDEP_QP_TRUE 0 /* see libunwind-dynamic.h */
/* This needs to be big enough to accommodate "struct cursor", while
leaving some slack for future expansion. Changing this value will
require recompiling all users of this library. Stack allocation is
relatively cheap and unwind-state copying is relatively rare, so we
want to err on making it rather too big than too small. */
#define UNW_TDEP_CURSOR_LEN 511
typedef uint32_t unw_word_t;
typedef int32_t unw_sword_t;
typedef union
{
struct { unw_word_t bits[2]; } raw;
double val;
}
unw_tdep_fpreg_t;
typedef enum
{
/* Note: general registers are expected to start with index 0.
This convention facilitates architecture-independent
implementation of the C++ exception handling ABI. See
_Unwind_SetGR() and _Unwind_GetGR() for details. */
UNW_HPPA_GR = 0,
UNW_HPPA_RP = 2, /* return pointer */
UNW_HPPA_FP = 3, /* frame pointer */
UNW_HPPA_SP = UNW_HPPA_GR + 30,
UNW_HPPA_FR = UNW_HPPA_GR + 32,
UNW_HPPA_IP = UNW_HPPA_FR + 32, /* instruction pointer */
/* other "preserved" registers (fpsr etc.)... */
/* PA-RISC has 4 exception-argument registers but they're not
contiguous. To deal with this, we define 4 pseudo
exception-handling registers which we then alias to the actual
physical register. */
UNW_HPPA_EH0 = UNW_HPPA_IP + 1, /* alias for UNW_HPPA_GR + 20 */
UNW_HPPA_EH1 = UNW_HPPA_EH0 + 1, /* alias for UNW_HPPA_GR + 21 */
UNW_HPPA_EH2 = UNW_HPPA_EH1 + 1, /* alias for UNW_HPPA_GR + 22 */
UNW_HPPA_EH3 = UNW_HPPA_EH2 + 1, /* alias for UNW_HPPA_GR + 31 */
/* frame info (read-only) */
UNW_HPPA_CFA,
UNW_TDEP_LAST_REG = UNW_HPPA_IP,
UNW_TDEP_IP = UNW_HPPA_IP,
UNW_TDEP_SP = UNW_HPPA_SP,
UNW_TDEP_EH = UNW_HPPA_EH0
}
hppa_regnum_t;
#define UNW_TDEP_NUM_EH_REGS 4
typedef struct unw_tdep_save_loc
{
/* Additional target-dependent info on a save location. */
}
unw_tdep_save_loc_t;
/* On PA-RISC, we can directly use ucontext_t as the unwind context. */
typedef ucontext_t unw_tdep_context_t;
#define unw_tdep_is_fpreg(r) ((unsigned) ((r) - UNW_HPPA_FR) < 32)
#include "libunwind-dynamic.h"
typedef struct
{
/* no PA-RISC-specific auxiliary proc-info */
}
unw_tdep_proc_info_t;
#include "libunwind-common.h"
#define unw_tdep_getcontext UNW_ARCH_OBJ (getcontext)
extern int unw_tdep_getcontext (unw_tdep_context_t *);
#if defined(__cplusplus) || defined(c_plusplus)
}
#endif
#endif /* LIBUNWIND_H */
contrib/libunwind/include/libunwind-ia64.h 0 → 100644
浏览文件 @ 2aec6efd
/* libunwind - a platform-independent unwind library
Copyright (C) 2001-2004 Hewlett-Packard Co
Contributed by David Mosberger-Tang <davidm@hpl.hp.com>
This file is part of libunwind.
Permission is hereby granted, free of charge, to any person obtaining
a copy of this software and associated documentation files (the
"Software"), to deal in the Software without restriction, including
without limitation the rights to use, copy, modify, merge, publish,
distribute, sublicense, and/or sell copies of the Software, and to
permit persons to whom the Software is furnished to do so, subject to
the following conditions:
The above copyright notice and this permission notice shall be
included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
#ifndef LIBUNWIND_H
#define LIBUNWIND_H
#include <inttypes.h>
#include <ucontext.h>
#if defined(__cplusplus) || defined(c_plusplus)
extern "C" {
#endif
#ifdef ia64
/* This works around a bug in Intel's ECC v7.0 which defines "ia64"
as "1". */
# undef ia64
#endif
#ifdef __hpux
/* On HP-UX, there is no hope of supporting UNW_LOCAL_ONLY, because
it's impossible to obtain the address of the members in the
sigcontext structure. */
# undef UNW_LOCAL_ONLY
# define UNW_GENERIC_ONLY
#endif
#define UNW_TARGET ia64
#define UNW_TARGET_IA64 1
#define _U_TDEP_QP_TRUE 0 /* see libunwind-dynamic.h */
/* This needs to be big enough to accommodate "struct cursor", while
leaving some slack for future expansion. Changing this value will
require recompiling all users of this library. Stack allocation is
relatively cheap and unwind-state copying is relatively rare, so we
want to err on making it rather too big than too small. */
#define UNW_TDEP_CURSOR_LEN 511
/* If this bit is it indicates that the procedure saved all of ar.bsp,
ar.bspstore, and ar.rnat. If, additionally, ar.bsp != saved ar.bsp,
then this procedure has performed a register-backing-store switch. */
#define UNW_PI_FLAG_IA64_RBS_SWITCH_BIT (UNW_PI_FLAG_FIRST_TDEP_BIT + 0)
#define UNW_PI_FLAG_IA64_RBS_SWITCH (1 << UNW_PI_FLAG_IA64_RBS_SWITCH_BIT)
typedef uint64_t unw_word_t;
typedef int64_t unw_sword_t;
/* On IA-64, we want to access the contents of floating-point
registers as a pair of "words", but to ensure 16-byte alignment, we
make it a union that contains a "long double". This will do the
Right Thing on all known IA-64 platforms, including HP-UX. */
typedef union
{
struct { unw_word_t bits[2]; } raw;
long double dummy; /* dummy to force 16-byte alignment */
}
unw_tdep_fpreg_t;
typedef struct
{
/* no ia64-specific auxiliary proc-info */
}
unw_tdep_proc_info_t;
typedef enum
{
/* Note: general registers are excepted to start with index 0.
This convention facilitates architecture-independent
implementation of the C++ exception handling ABI. See
_Unwind_SetGR() and _Unwind_GetGR() for details. */
UNW_IA64_GR = 0, /* general registers (r0..r127) */
UNW_IA64_GP = UNW_IA64_GR + 1,
UNW_IA64_TP = UNW_IA64_GR + 13,
UNW_IA64_NAT = UNW_IA64_GR + 128, /* NaT registers (nat0..nat127) */
UNW_IA64_FR = UNW_IA64_NAT + 128, /* fp registers (f0..f127) */
UNW_IA64_AR = UNW_IA64_FR + 128, /* application registers (ar0..r127) */
UNW_IA64_AR_RSC = UNW_IA64_AR + 16,
UNW_IA64_AR_BSP = UNW_IA64_AR + 17,
UNW_IA64_AR_BSPSTORE = UNW_IA64_AR + 18,
UNW_IA64_AR_RNAT = UNW_IA64_AR + 19,
UNW_IA64_AR_CSD = UNW_IA64_AR + 25,
UNW_IA64_AR_26 = UNW_IA64_AR + 26,
UNW_IA64_AR_SSD = UNW_IA64_AR_26,
UNW_IA64_AR_CCV = UNW_IA64_AR + 32,
UNW_IA64_AR_UNAT = UNW_IA64_AR + 36,
UNW_IA64_AR_FPSR = UNW_IA64_AR + 40,
UNW_IA64_AR_PFS = UNW_IA64_AR + 64,
UNW_IA64_AR_LC = UNW_IA64_AR + 65,
UNW_IA64_AR_EC = UNW_IA64_AR + 66,
UNW_IA64_BR = UNW_IA64_AR + 128, /* branch registers (b0..p7) */
UNW_IA64_RP = UNW_IA64_BR + 0, /* return pointer (rp) */
UNW_IA64_PR = UNW_IA64_BR + 8, /* predicate registers (p0..p63) */
UNW_IA64_CFM,
/* frame info: */
UNW_IA64_BSP,
UNW_IA64_IP,
UNW_IA64_SP,
UNW_TDEP_LAST_REG = UNW_IA64_SP,
UNW_TDEP_IP = UNW_IA64_IP,
UNW_TDEP_SP = UNW_IA64_SP,
UNW_TDEP_EH = UNW_IA64_GR + 15
}
ia64_regnum_t;
#define UNW_TDEP_NUM_EH_REGS 4 /* r15-r18 are exception args */
typedef struct unw_tdep_save_loc
{
/* Additional target-dependent info on a save location. On IA-64,
we use this to provide the bit number in which a NaT bit gets
saved. */
uint8_t nat_bitnr;
/* Padding reserved for future use. */
uint8_t reserved[7];
}
unw_tdep_save_loc_t;
/* On IA-64, we can directly use ucontext_t as the unwind context. */
typedef ucontext_t unw_tdep_context_t;
#define unw_tdep_is_fpreg(r) ((unsigned) ((r) - UNW_IA64_FR) < 128)
#include "libunwind-dynamic.h"
#include "libunwind-common.h"
#ifdef __hpux
/* In theory, we could use _Uia64_getcontext() on HP-UX as well, but
the benefit of doing so would be marginal given that it can't
support UNW_LOCAL_ONLY. */
# define unw_tdep_getcontext getcontext
#else
# define unw_tdep_getcontext UNW_ARCH_OBJ (getcontext)
extern int unw_tdep_getcontext (unw_tdep_context_t *);
#endif
/* This is a helper routine to search an ia64 unwind table. If the
address-space argument AS points to something other than the local
address-space, the memory for the unwind-info will be allocated
with malloc(), and should be free()d during the put_unwind_info()
callback. This routine is signal-safe for the local-address-space
case ONLY. */
#define unw_search_ia64_unwind_table UNW_OBJ(search_unwind_table)
extern int unw_search_ia64_unwind_table (unw_addr_space_t, unw_word_t,
unw_dyn_info_t *, unw_proc_info_t *,
int, void *);
/* This is a helper routine which the get_dyn_info_list_addr()
callback can use to locate the special dynamic-info list entry in
an IA-64 unwind table. If the entry exists in the table, the
list-address is returned. In all other cases, 0 is returned. */
extern unw_word_t _Uia64_find_dyn_list (unw_addr_space_t, unw_dyn_info_t *,
void *);
/* This is a helper routine to obtain the kernel-unwind info. It is
signal-safe. */
extern int _Uia64_get_kernel_table (unw_dyn_info_t *);
#if defined(__cplusplus) || defined(c_plusplus)
}
#endif
#endif /* LIBUNWIND_H */
contrib/libunwind/include/libunwind-mips.h 0 → 100644
浏览文件 @ 2aec6efd
/* libunwind - a platform-independent unwind library
Copyright (C) 2008 CodeSourcery
This file is part of libunwind.
Permission is hereby granted, free of charge, to any person obtaining
a copy of this software and associated documentation files (the
"Software"), to deal in the Software without restriction, including
without limitation the rights to use, copy, modify, merge, publish,
distribute, sublicense, and/or sell copies of the Software, and to
permit persons to whom the Software is furnished to do so, subject to
the following conditions:
The above copyright notice and this permission notice shall be
included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
#ifndef LIBUNWIND_H
#define LIBUNWIND_H
#if defined(__cplusplus) || defined(c_plusplus)
extern "C" {
#endif
#include <inttypes.h>
#include <sys/ucontext.h>
#ifdef mips
# undef mips
#endif
#define UNW_TARGET mips
#define UNW_TARGET_MIPS 1
#define _U_TDEP_QP_TRUE 0 /* see libunwind-dynamic.h */
/* This needs to be big enough to accommodate "struct cursor", while
leaving some slack for future expansion. Changing this value will
require recompiling all users of this library. Stack allocation is
relatively cheap and unwind-state copying is relatively rare, so we
want to err on making it rather too big than too small. */
/* FIXME for MIPS. Too big? What do other things use for similar tasks? */
#define UNW_TDEP_CURSOR_LEN 4096
/* The size of a "word" varies on MIPS. This type is used for memory
addresses and register values, which are 32-bit wide for O32 and N32
ABIs, and 64-bit wide for N64 ABI. */
#if _MIPS_SIM == _ABI64
typedef uint64_t unw_word_t;
#else
typedef uint32_t unw_word_t;
#endif
typedef int32_t unw_sword_t;
/* FIXME: MIPS ABIs. */
typedef long double unw_tdep_fpreg_t;
typedef enum
{
UNW_MIPS_R0,
UNW_MIPS_R1,
UNW_MIPS_R2,
UNW_MIPS_R3,
UNW_MIPS_R4,
UNW_MIPS_R5,
UNW_MIPS_R6,
UNW_MIPS_R7,
UNW_MIPS_R8,
UNW_MIPS_R9,
UNW_MIPS_R10,
UNW_MIPS_R11,
UNW_MIPS_R12,
UNW_MIPS_R13,
UNW_MIPS_R14,
UNW_MIPS_R15,
UNW_MIPS_R16,
UNW_MIPS_R17,
UNW_MIPS_R18,
UNW_MIPS_R19,
UNW_MIPS_R20,
UNW_MIPS_R21,
UNW_MIPS_R22,
UNW_MIPS_R23,
UNW_MIPS_R24,
UNW_MIPS_R25,
UNW_MIPS_R26,
UNW_MIPS_R27,
UNW_MIPS_R28,
UNW_MIPS_R29,
UNW_MIPS_R30,
UNW_MIPS_R31,
UNW_MIPS_PC = 34,
/* FIXME: Other registers! */
/* For MIPS, the CFA is the value of SP (r29) at the call site in the
previous frame. */
UNW_MIPS_CFA,
UNW_TDEP_LAST_REG = UNW_MIPS_PC,
UNW_TDEP_IP = UNW_MIPS_R31,
UNW_TDEP_SP = UNW_MIPS_R29,
UNW_TDEP_EH = UNW_MIPS_R0 /* FIXME. */
}
mips_regnum_t;
typedef enum
{
UNW_MIPS_ABI_O32,
UNW_MIPS_ABI_N32,
UNW_MIPS_ABI_N64
}
mips_abi_t;
#define UNW_TDEP_NUM_EH_REGS 2 /* FIXME for MIPS. */
typedef struct unw_tdep_save_loc
{
/* Additional target-dependent info on a save location. */
}
unw_tdep_save_loc_t;
/* On x86, we can directly use ucontext_t as the unwind context. FIXME for
MIPS. */
typedef ucontext_t unw_tdep_context_t;
#include "libunwind-dynamic.h"
typedef struct
{
/* no mips-specific auxiliary proc-info */
}
unw_tdep_proc_info_t;
#include "libunwind-common.h"
/* There is no getcontext() on MIPS. Use a stub version which only saves GP
registers. FIXME: Not ideal, may not be sufficient for all libunwind
use cases. */
#define unw_tdep_getcontext UNW_ARCH_OBJ(getcontext)
extern int unw_tdep_getcontext (ucontext_t *uc);
#define unw_tdep_is_fpreg UNW_ARCH_OBJ(is_fpreg)
extern int unw_tdep_is_fpreg (int);
#if defined(__cplusplus) || defined(c_plusplus)
}
#endif
#endif /* LIBUNWIND_H */
contrib/libunwind/include/libunwind-ppc32.h 0 → 100644
浏览文件 @ 2aec6efd
/* libunwind - a platform-independent unwind library
Copyright (C) 2006-2007 IBM
Contributed by
Corey Ashford <cjashfor@us.ibm.com>
Jose Flavio Aguilar Paulino <jflavio@br.ibm.com> <joseflavio@gmail.com>
Copied from libunwind-x86_64.h, modified slightly for building
frysk successfully on ppc64, by Wu Zhou <woodzltc@cn.ibm.com>
Will be replaced when libunwind is ready on ppc64 platform.
This file is part of libunwind.
Permission is hereby granted, free of charge, to any person obtaining
a copy of this software and associated documentation files (the
"Software"), to deal in the Software without restriction, including
without limitation the rights to use, copy, modify, merge, publish,
distribute, sublicense, and/or sell copies of the Software, and to
permit persons to whom the Software is furnished to do so, subject to
the following conditions:
The above copyright notice and this permission notice shall be
included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
#ifndef LIBUNWIND_H
#define LIBUNWIND_H
#if defined(__cplusplus) || defined(c_plusplus)
extern "C" {
#endif
#include <inttypes.h>
#include <ucontext.h>
#define UNW_TARGET ppc32
#define UNW_TARGET_PPC32 1
#define _U_TDEP_QP_TRUE 0 /* see libunwind-dynamic.h */
/*
* This needs to be big enough to accommodate "struct cursor", while
* leaving some slack for future expansion. Changing this value will
* require recompiling all users of this library. Stack allocation is
* relatively cheap and unwind-state copying is relatively rare, so we want
* to err on making it rather too big than too small.
*
* To simplify this whole process, we are at least initially taking the
* tack that UNW_PPC32_* map straight across to the .eh_frame column register
* numbers. These register numbers come from gcc's source in
* gcc/config/rs6000/rs6000.h
*
* UNW_TDEP_CURSOR_LEN is in terms of unw_word_t size. Since we have 115
* elements in the loc array, each sized 2 * unw_word_t, plus the rest of
* the cursor struct, this puts us at about 2 * 115 + 40 = 270. Let's
* round that up to 280.
*/
#define UNW_TDEP_CURSOR_LEN 280
#if __WORDSIZE==32
typedef uint32_t unw_word_t;
typedef int32_t unw_sword_t;
#else
typedef uint64_t unw_word_t;
typedef int64_t unw_sword_t;
#endif
typedef long double unw_tdep_fpreg_t;
typedef enum
{
UNW_PPC32_R0,
UNW_PPC32_R1, /* called STACK_POINTER in gcc */
UNW_PPC32_R2,
UNW_PPC32_R3,
UNW_PPC32_R4,
UNW_PPC32_R5,
UNW_PPC32_R6,
UNW_PPC32_R7,
UNW_PPC32_R8,
UNW_PPC32_R9,
UNW_PPC32_R10,
UNW_PPC32_R11, /* called STATIC_CHAIN in gcc */
UNW_PPC32_R12,
UNW_PPC32_R13,
UNW_PPC32_R14,
UNW_PPC32_R15,
UNW_PPC32_R16,
UNW_PPC32_R17,
UNW_PPC32_R18,
UNW_PPC32_R19,
UNW_PPC32_R20,
UNW_PPC32_R21,
UNW_PPC32_R22,
UNW_PPC32_R23,
UNW_PPC32_R24,
UNW_PPC32_R25,
UNW_PPC32_R26,
UNW_PPC32_R27,
UNW_PPC32_R28,
UNW_PPC32_R29,
UNW_PPC32_R30,
UNW_PPC32_R31, /* called HARD_FRAME_POINTER in gcc */
/* Count Register */
UNW_PPC32_CTR = 32,
/* Fixed-Point Status and Control Register */
UNW_PPC32_XER = 33,
/* Condition Register */
UNW_PPC32_CCR = 34,
/* Machine State Register */
//UNW_PPC32_MSR = 35,
/* MQ or SPR0, not part of generic Power, part of MPC601 */
//UNW_PPC32_MQ = 36,
/* Link Register */
UNW_PPC32_LR = 36,
/* Floating Pointer Status and Control Register */
UNW_PPC32_FPSCR = 37,
UNW_PPC32_F0 = 48,
UNW_PPC32_F1,
UNW_PPC32_F2,
UNW_PPC32_F3,
UNW_PPC32_F4,
UNW_PPC32_F5,
UNW_PPC32_F6,
UNW_PPC32_F7,
UNW_PPC32_F8,
UNW_PPC32_F9,
UNW_PPC32_F10,
UNW_PPC32_F11,
UNW_PPC32_F12,
UNW_PPC32_F13,
UNW_PPC32_F14,
UNW_PPC32_F15,
UNW_PPC32_F16,
UNW_PPC32_F17,
UNW_PPC32_F18,
UNW_PPC32_F19,
UNW_PPC32_F20,
UNW_PPC32_F21,
UNW_PPC32_F22,
UNW_PPC32_F23,
UNW_PPC32_F24,
UNW_PPC32_F25,
UNW_PPC32_F26,
UNW_PPC32_F27,
UNW_PPC32_F28,
UNW_PPC32_F29,
UNW_PPC32_F30,
UNW_PPC32_F31,
UNW_TDEP_LAST_REG = UNW_PPC32_F31,
UNW_TDEP_IP = UNW_PPC32_LR,
UNW_TDEP_SP = UNW_PPC32_R1,
UNW_TDEP_EH = UNW_PPC32_R12
}
ppc32_regnum_t;
/*
* According to David Edelsohn, GNU gcc uses R3, R4, R5, and maybe R6 for
* passing parameters to exception handlers.
*/
#define UNW_TDEP_NUM_EH_REGS 4
typedef struct unw_tdep_save_loc
{
/* Additional target-dependent info on a save location. */
}
unw_tdep_save_loc_t;
/* On ppc, we can directly use ucontext_t as the unwind context. */
typedef ucontext_t unw_tdep_context_t;
/* XXX this is not ideal: an application should not be prevented from
using the "getcontext" name just because it's using libunwind. We
can't just use __getcontext() either, because that isn't exported
by glibc... */
#define unw_tdep_getcontext(uc) (getcontext (uc), 0)
#include "libunwind-dynamic.h"
typedef struct
{
/* no ppc32-specific auxiliary proc-info */
}
unw_tdep_proc_info_t;
#include "libunwind-common.h"
#define unw_tdep_is_fpreg UNW_ARCH_OBJ(is_fpreg)
extern int unw_tdep_is_fpreg (int);
#if defined(__cplusplus) || defined(c_plusplus)
}
#endif
#endif /* LIBUNWIND_H */
contrib/libunwind/include/libunwind-ppc64.h 0 → 100644
浏览文件 @ 2aec6efd
/* libunwind - a platform-independent unwind library
Copyright (C) 2006-2007 IBM
Contributed by
Corey Ashford <cjashfor@us.ibm.com>
Jose Flavio Aguilar Paulino <jflavio@br.ibm.com> <joseflavio@gmail.com>
Copied from libunwind-x86_64.h, modified slightly for building
frysk successfully on ppc64, by Wu Zhou <woodzltc@cn.ibm.com>
Will be replaced when libunwind is ready on ppc64 platform.
This file is part of libunwind.
Permission is hereby granted, free of charge, to any person obtaining
a copy of this software and associated documentation files (the
"Software"), to deal in the Software without restriction, including
without limitation the rights to use, copy, modify, merge, publish,
distribute, sublicense, and/or sell copies of the Software, and to
permit persons to whom the Software is furnished to do so, subject to
the following conditions:
The above copyright notice and this permission notice shall be
included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
#ifndef LIBUNWIND_H
#define LIBUNWIND_H
#if defined(__cplusplus) || defined(c_plusplus)
extern "C" {
#endif
#include <inttypes.h>
#include <ucontext.h>
#define UNW_TARGET ppc64
#define UNW_TARGET_PPC64 1
#define _U_TDEP_QP_TRUE 0 /* see libunwind-dynamic.h */
/*
* This needs to be big enough to accommodate "struct cursor", while
* leaving some slack for future expansion. Changing this value will
* require recompiling all users of this library. Stack allocation is
* relatively cheap and unwind-state copying is relatively rare, so we want
* to err on making it rather too big than too small.
*
* To simplify this whole process, we are at least initially taking the
* tack that UNW_PPC64_* map straight across to the .eh_frame column register
* numbers. These register numbers come from gcc's source in
* gcc/config/rs6000/rs6000.h
*
* UNW_TDEP_CURSOR_LEN is in terms of unw_word_t size. Since we have 115
* elements in the loc array, each sized 2 * unw_word_t, plus the rest of
* the cursor struct, this puts us at about 2 * 115 + 40 = 270. Let's
* round that up to 280.
*/
#define UNW_TDEP_CURSOR_LEN 280
#if __WORDSIZE==32
typedef uint32_t unw_word_t;
typedef int32_t unw_sword_t;
#else
typedef uint64_t unw_word_t;
typedef int64_t unw_sword_t;
#endif
typedef long double unw_tdep_fpreg_t;
/*
* Vector register (in PowerPC64 used for AltiVec registers)
*/
typedef struct {
uint64_t halves[2];
} unw_tdep_vreg_t;
typedef enum
{
UNW_PPC64_R0,
UNW_PPC64_R1, /* called STACK_POINTER in gcc */
UNW_PPC64_R2,
UNW_PPC64_R3,
UNW_PPC64_R4,
UNW_PPC64_R5,
UNW_PPC64_R6,
UNW_PPC64_R7,
UNW_PPC64_R8,
UNW_PPC64_R9,
UNW_PPC64_R10,
UNW_PPC64_R11, /* called STATIC_CHAIN in gcc */
UNW_PPC64_R12,
UNW_PPC64_R13,
UNW_PPC64_R14,
UNW_PPC64_R15,
UNW_PPC64_R16,
UNW_PPC64_R17,
UNW_PPC64_R18,
UNW_PPC64_R19,
UNW_PPC64_R20,
UNW_PPC64_R21,
UNW_PPC64_R22,
UNW_PPC64_R23,
UNW_PPC64_R24,
UNW_PPC64_R25,
UNW_PPC64_R26,
UNW_PPC64_R27,
UNW_PPC64_R28,
UNW_PPC64_R29,
UNW_PPC64_R30,
UNW_PPC64_R31, /* called HARD_FRAME_POINTER in gcc */
UNW_PPC64_F0 = 32,
UNW_PPC64_F1,
UNW_PPC64_F2,
UNW_PPC64_F3,
UNW_PPC64_F4,
UNW_PPC64_F5,
UNW_PPC64_F6,
UNW_PPC64_F7,
UNW_PPC64_F8,
UNW_PPC64_F9,
UNW_PPC64_F10,
UNW_PPC64_F11,
UNW_PPC64_F12,
UNW_PPC64_F13,
UNW_PPC64_F14,
UNW_PPC64_F15,
UNW_PPC64_F16,
UNW_PPC64_F17,
UNW_PPC64_F18,
UNW_PPC64_F19,
UNW_PPC64_F20,
UNW_PPC64_F21,
UNW_PPC64_F22,
UNW_PPC64_F23,
UNW_PPC64_F24,
UNW_PPC64_F25,
UNW_PPC64_F26,
UNW_PPC64_F27,
UNW_PPC64_F28,
UNW_PPC64_F29,
UNW_PPC64_F30,
UNW_PPC64_F31,
/* Note that there doesn't appear to be an .eh_frame register column
for the FPSCR register. I don't know why this is. Since .eh_frame
info is what this implementation uses for unwinding, we have no way
to unwind this register, and so we will not expose an FPSCR register
number in the libunwind API.
*/
UNW_PPC64_LR = 65,
UNW_PPC64_CTR = 66,
UNW_PPC64_ARG_POINTER = 67,
UNW_PPC64_CR0 = 68,
UNW_PPC64_CR1,
UNW_PPC64_CR2,
UNW_PPC64_CR3,
UNW_PPC64_CR4,
/* CR5 .. CR7 are currently unused */
UNW_PPC64_CR5,
UNW_PPC64_CR6,
UNW_PPC64_CR7,
UNW_PPC64_XER = 76,
UNW_PPC64_V0 = 77,
UNW_PPC64_V1,
UNW_PPC64_V2,
UNW_PPC64_V3,
UNW_PPC64_V4,
UNW_PPC64_V5,
UNW_PPC64_V6,
UNW_PPC64_V7,
UNW_PPC64_V8,
UNW_PPC64_V9,
UNW_PPC64_V10,
UNW_PPC64_V11,
UNW_PPC64_V12,
UNW_PPC64_V13,
UNW_PPC64_V14,
UNW_PPC64_V15,
UNW_PPC64_V16,
UNW_PPC64_V17,
UNW_PPC64_V18,
UNW_PPC64_V19,
UNW_PPC64_V20,
UNW_PPC64_V21,
UNW_PPC64_V22,
UNW_PPC64_V23,
UNW_PPC64_V24,
UNW_PPC64_V25,
UNW_PPC64_V26,
UNW_PPC64_V27,
UNW_PPC64_V28,
UNW_PPC64_V29,
UNW_PPC64_V30,
UNW_PPC64_V31,
UNW_PPC64_VRSAVE = 109,
UNW_PPC64_VSCR = 110,
UNW_PPC64_SPE_ACC = 111,
UNW_PPC64_SPEFSCR = 112,
/* frame info (read-only) */
UNW_PPC64_FRAME_POINTER,
UNW_PPC64_NIP,
UNW_TDEP_LAST_REG = UNW_PPC64_NIP,
UNW_TDEP_IP = UNW_PPC64_NIP,
UNW_TDEP_SP = UNW_PPC64_R1,
UNW_TDEP_EH = UNW_PPC64_R12
}
ppc64_regnum_t;
typedef enum
{
UNW_PPC64_ABI_ELFv1,
UNW_PPC64_ABI_ELFv2
}
ppc64_abi_t;
/*
* According to David Edelsohn, GNU gcc uses R3, R4, R5, and maybe R6 for
* passing parameters to exception handlers.
*/
#define UNW_TDEP_NUM_EH_REGS 4
typedef struct unw_tdep_save_loc
{
/* Additional target-dependent info on a save location. */
}
unw_tdep_save_loc_t;
/* On ppc64, we can directly use ucontext_t as the unwind context. */
typedef ucontext_t unw_tdep_context_t;
/* XXX this is not ideal: an application should not be prevented from
using the "getcontext" name just because it's using libunwind. We
can't just use __getcontext() either, because that isn't exported
by glibc... */
#define unw_tdep_getcontext(uc) (getcontext (uc), 0)
#include "libunwind-dynamic.h"
typedef struct
{
/* no ppc64-specific auxiliary proc-info */
}
unw_tdep_proc_info_t;
#include "libunwind-common.h"
#define unw_tdep_is_fpreg UNW_ARCH_OBJ(is_fpreg)
extern int unw_tdep_is_fpreg (int);
#if defined(__cplusplus) || defined(c_plusplus)
}
#endif
#endif /* LIBUNWIND_H */
contrib/libunwind/include/libunwind-ptrace.h 0 → 100644
浏览文件 @ 2aec6efd
/* libunwind - a platform-independent unwind library
Copyright (C) 2004 Hewlett-Packard Co
Contributed by David Mosberger-Tang <davidm@hpl.hp.com>
This file is part of libunwind.
Permission is hereby granted, free of charge, to any person obtaining
a copy of this software and associated documentation files (the
"Software"), to deal in the Software without restriction, including
without limitation the rights to use, copy, modify, merge, publish,
distribute, sublicense, and/or sell copies of the Software, and to
permit persons to whom the Software is furnished to do so, subject to
the following conditions:
The above copyright notice and this permission notice shall be
included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
#ifndef libunwind_ptrace_h
#define libunwind_ptrace_h
#include <libunwind.h>
#if defined(__cplusplus) || defined(c_plusplus)
extern "C" {
#endif
/* Helper routines which make it easy to use libunwind via ptrace().
They're available only if UNW_REMOTE_ONLY is _not_ defined and they
aren't really part of the libunwind API. They are implemented in a
archive library called libunwind-ptrace.a. */
extern void *_UPT_create (pid_t);
extern void _UPT_destroy (void *);
extern int _UPT_find_proc_info (unw_addr_space_t, unw_word_t,
unw_proc_info_t *, int, void *);
extern void _UPT_put_unwind_info (unw_addr_space_t, unw_proc_info_t *, void *);
extern int _UPT_get_dyn_info_list_addr (unw_addr_space_t, unw_word_t *,
void *);
extern int _UPT_access_mem (unw_addr_space_t, unw_word_t, unw_word_t *, int,
void *);
extern int _UPT_access_reg (unw_addr_space_t, unw_regnum_t, unw_word_t *,
int, void *);
extern int _UPT_access_fpreg (unw_addr_space_t, unw_regnum_t, unw_fpreg_t *,
int, void *);
extern int _UPT_get_proc_name (unw_addr_space_t, unw_word_t, char *, size_t,
unw_word_t *, void *);
extern int _UPT_resume (unw_addr_space_t, unw_cursor_t *, void *);
extern unw_accessors_t _UPT_accessors;
#if defined(__cplusplus) || defined(c_plusplus)
}
#endif
#endif /* libunwind_ptrace_h */
contrib/libunwind/include/libunwind-sh.h 0 → 100644
浏览文件 @ 2aec6efd
/* libunwind - a platform-independent unwind library
Copyright (C) 2008 CodeSourcery
Copyright (C) 2012 Tommi Rantala <tt.rantala@gmail.com>
This file is part of libunwind.
Permission is hereby granted, free of charge, to any person obtaining
a copy of this software and associated documentation files (the
"Software"), to deal in the Software without restriction, including
without limitation the rights to use, copy, modify, merge, publish,
distribute, sublicense, and/or sell copies of the Software, and to
permit persons to whom the Software is furnished to do so, subject to
the following conditions:
The above copyright notice and this permission notice shall be
included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
#ifndef LIBUNWIND_H
#define LIBUNWIND_H
#if defined(__cplusplus) || defined(c_plusplus)
extern "C" {
#endif
#include <inttypes.h>
#include <stddef.h>
#include <ucontext.h>
#define UNW_TARGET sh
#define UNW_TARGET_SH 1
#define _U_TDEP_QP_TRUE 0 /* see libunwind-dynamic.h */
/* This needs to be big enough to accommodate "struct cursor", while
leaving some slack for future expansion. Changing this value will
require recompiling all users of this library. Stack allocation is
relatively cheap and unwind-state copying is relatively rare, so we
want to err on making it rather too big than too small. */
#define UNW_TDEP_CURSOR_LEN 4096
typedef uint32_t unw_word_t;
typedef int32_t unw_sword_t;
typedef long double unw_tdep_fpreg_t;
typedef enum
{
UNW_SH_R0,
UNW_SH_R1,
UNW_SH_R2,
UNW_SH_R3,
UNW_SH_R4,
UNW_SH_R5,
UNW_SH_R6,
UNW_SH_R7,
UNW_SH_R8,
UNW_SH_R9,
UNW_SH_R10,
UNW_SH_R11,
UNW_SH_R12,
UNW_SH_R13,
UNW_SH_R14,
UNW_SH_R15,
UNW_SH_PC,
UNW_SH_PR,
UNW_TDEP_LAST_REG = UNW_SH_PR,
UNW_TDEP_IP = UNW_SH_PR,
UNW_TDEP_SP = UNW_SH_R15,
UNW_TDEP_EH = UNW_SH_R0
}
sh_regnum_t;
#define UNW_TDEP_NUM_EH_REGS 2
typedef ucontext_t unw_tdep_context_t;
#define unw_tdep_getcontext(uc) (getcontext (uc), 0)
typedef struct unw_tdep_save_loc
{
/* Additional target-dependent info on a save location. */
}
unw_tdep_save_loc_t;
#include "libunwind-dynamic.h"
typedef struct
{
/* no sh-specific auxiliary proc-info */
}
unw_tdep_proc_info_t;
#include "libunwind-common.h"
#define unw_tdep_is_fpreg UNW_ARCH_OBJ(is_fpreg)
extern int unw_tdep_is_fpreg (int);
#if defined(__cplusplus) || defined(c_plusplus)
}
#endif
#endif /* LIBUNWIND_H */
contrib/libunwind/include/libunwind-tilegx.h 0 → 100644
浏览文件 @ 2aec6efd
/* libunwind - a platform-independent unwind library
Copyright (C) 2008 CodeSourcery
Copyright (C) 2014 Tilera Corp.
This file is part of libunwind.
Permission is hereby granted, free of charge, to any person obtaining
a copy of this software and associated documentation files (the
"Software"), to deal in the Software without restriction, including
without limitation the rights to use, copy, modify, merge, publish,
distribute, sublicense, and/or sell copies of the Software, and to
permit persons to whom the Software is furnished to do so, subject to
the following conditions:
The above copyright notice and this permission notice shall be
included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
#ifndef LIBUNWIND_H
#define LIBUNWIND_H
#if defined(__cplusplus) || defined(c_plusplus)
extern "C" {
#endif
#include <inttypes.h>
#include <ucontext.h>
#define UNW_TARGET tilegx
#define UNW_TARGET_TILEGX 1
#define _U_TDEP_QP_TRUE 0 /* see libunwind-dynamic.h */
/* This needs to be big enough to accommodate "struct cursor", while
leaving some slack for future expansion. Changing this value will
require recompiling all users of this library. Stack allocation is
relatively cheap and unwind-state copying is relatively rare, so we
want to err on making it rather too big than too small. */
#define UNW_TDEP_CURSOR_LEN 4096
/* The size of a "word" varies on TILEGX. This type is used for memory
addresses and register values. */
typedef uint64_t unw_word_t;
typedef int64_t unw_sword_t;
typedef long double unw_tdep_fpreg_t;
typedef enum
{
UNW_TILEGX_R0,
UNW_TILEGX_R1,
UNW_TILEGX_R2,
UNW_TILEGX_R3,
UNW_TILEGX_R4,
UNW_TILEGX_R5,
UNW_TILEGX_R6,
UNW_TILEGX_R7,
UNW_TILEGX_R8,
UNW_TILEGX_R9,
UNW_TILEGX_R10,
UNW_TILEGX_R11,
UNW_TILEGX_R12,
UNW_TILEGX_R13,
UNW_TILEGX_R14,
UNW_TILEGX_R15,
UNW_TILEGX_R16,
UNW_TILEGX_R17,
UNW_TILEGX_R18,
UNW_TILEGX_R19,
UNW_TILEGX_R20,
UNW_TILEGX_R21,
UNW_TILEGX_R22,
UNW_TILEGX_R23,
UNW_TILEGX_R24,
UNW_TILEGX_R25,
UNW_TILEGX_R26,
UNW_TILEGX_R27,
UNW_TILEGX_R28,
UNW_TILEGX_R29,
UNW_TILEGX_R30,
UNW_TILEGX_R31,
UNW_TILEGX_R32,
UNW_TILEGX_R33,
UNW_TILEGX_R34,
UNW_TILEGX_R35,
UNW_TILEGX_R36,
UNW_TILEGX_R37,
UNW_TILEGX_R38,
UNW_TILEGX_R39,
UNW_TILEGX_R40,
UNW_TILEGX_R41,
UNW_TILEGX_R42,
UNW_TILEGX_R43,
UNW_TILEGX_R44,
UNW_TILEGX_R45,
UNW_TILEGX_R46,
UNW_TILEGX_R47,
UNW_TILEGX_R48,
UNW_TILEGX_R49,
UNW_TILEGX_R50,
UNW_TILEGX_R51,
UNW_TILEGX_R52,
UNW_TILEGX_R53,
UNW_TILEGX_R54,
UNW_TILEGX_R55,
/* FIXME: Other registers! */
UNW_TILEGX_PC,
/* For TILEGX, the CFA is the value of SP (r54) at the call site in the
previous frame. */
UNW_TILEGX_CFA,
UNW_TDEP_LAST_REG = UNW_TILEGX_PC,
UNW_TDEP_IP = UNW_TILEGX_R55, /* R55 is link register for Tilegx */
UNW_TDEP_SP = UNW_TILEGX_R54,
UNW_TDEP_EH = UNW_TILEGX_R0 /* FIXME. */
} tilegx_regnum_t;
typedef enum
{
UNW_TILEGX_ABI_N64 = 2
} tilegx_abi_t;
#define UNW_TDEP_NUM_EH_REGS 2 /* FIXME for TILEGX. */
typedef struct unw_tdep_save_loc
{
/* Additional target-dependent info on a save location. */
} unw_tdep_save_loc_t;
typedef ucontext_t unw_tdep_context_t;
#include "libunwind-dynamic.h"
typedef struct
{
/* no tilegx-specific auxiliary proc-info */
} unw_tdep_proc_info_t;
#include "libunwind-common.h"
#define unw_tdep_getcontext getcontext
#define unw_tdep_is_fpreg UNW_ARCH_OBJ(is_fpreg)
extern int unw_tdep_is_fpreg (int);
#if defined(__cplusplus) || defined(c_plusplus)
}
#endif
#endif /* LIBUNWIND_H */
contrib/libunwind/include/libunwind-x86.h 0 → 100644
浏览文件 @ 2aec6efd
/* libunwind - a platform-independent unwind library
Copyright (C) 2002-2004 Hewlett-Packard Co
Contributed by David Mosberger-Tang <davidm@hpl.hp.com>
This file is part of libunwind.
Permission is hereby granted, free of charge, to any person obtaining
a copy of this software and associated documentation files (the
"Software"), to deal in the Software without restriction, including
without limitation the rights to use, copy, modify, merge, publish,
distribute, sublicense, and/or sell copies of the Software, and to
permit persons to whom the Software is furnished to do so, subject to
the following conditions:
The above copyright notice and this permission notice shall be
included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
#ifndef LIBUNWIND_H
#define LIBUNWIND_H
#if defined(__cplusplus) || defined(c_plusplus)
extern "C" {
#endif
#include <sys/types.h>
#include <inttypes.h>
#include <ucontext.h>
#define UNW_TARGET x86
#define UNW_TARGET_X86 1
#define _U_TDEP_QP_TRUE 0 /* see libunwind-dynamic.h */
/* This needs to be big enough to accommodate "struct cursor", while
leaving some slack for future expansion. Changing this value will
require recompiling all users of this library. Stack allocation is
relatively cheap and unwind-state copying is relatively rare, so we
want to err on making it rather too big than too small. */
#define UNW_TDEP_CURSOR_LEN 127
typedef uint32_t unw_word_t;
typedef int32_t unw_sword_t;
typedef union {
struct { uint8_t b[4]; } val32;
struct { uint8_t b[10]; } val80;
struct { uint8_t b[16]; } val128;
} unw_tdep_fpreg_t;
typedef enum
{
/* Note: general registers are expected to start with index 0.
This convention facilitates architecture-independent
implementation of the C++ exception handling ABI. See
_Unwind_SetGR() and _Unwind_GetGR() for details.
The described register usage convention is based on "System V
Application Binary Interface, Intel386 Architecture Processor
Supplement, Fourth Edition" at
http://www.linuxbase.org/spec/refspecs/elf/abi386-4.pdf
It would have been nice to use the same register numbering as
DWARF, but that doesn't work because the libunwind requires
that the exception argument registers be consecutive, which the
wouldn't be with the DWARF numbering. */
UNW_X86_EAX, /* scratch (exception argument 1) */
UNW_X86_EDX, /* scratch (exception argument 2) */
UNW_X86_ECX, /* scratch */
UNW_X86_EBX, /* preserved */
UNW_X86_ESI, /* preserved */
UNW_X86_EDI, /* preserved */
UNW_X86_EBP, /* (optional) frame-register */
UNW_X86_ESP, /* (optional) frame-register */
UNW_X86_EIP, /* frame-register */
UNW_X86_EFLAGS, /* scratch (except for "direction", which is fixed */
UNW_X86_TRAPNO, /* scratch */
/* MMX/stacked-fp registers */
UNW_X86_ST0, /* fp return value */
UNW_X86_ST1, /* scratch */
UNW_X86_ST2, /* scratch */
UNW_X86_ST3, /* scratch */
UNW_X86_ST4, /* scratch */
UNW_X86_ST5, /* scratch */
UNW_X86_ST6, /* scratch */
UNW_X86_ST7, /* scratch */
UNW_X86_FCW, /* scratch */
UNW_X86_FSW, /* scratch */
UNW_X86_FTW, /* scratch */
UNW_X86_FOP, /* scratch */
UNW_X86_FCS, /* scratch */
UNW_X86_FIP, /* scratch */
UNW_X86_FEA, /* scratch */
UNW_X86_FDS, /* scratch */
/* SSE registers */
UNW_X86_XMM0_lo, /* scratch */
UNW_X86_XMM0_hi, /* scratch */
UNW_X86_XMM1_lo, /* scratch */
UNW_X86_XMM1_hi, /* scratch */
UNW_X86_XMM2_lo, /* scratch */
UNW_X86_XMM2_hi, /* scratch */
UNW_X86_XMM3_lo, /* scratch */
UNW_X86_XMM3_hi, /* scratch */
UNW_X86_XMM4_lo, /* scratch */
UNW_X86_XMM4_hi, /* scratch */
UNW_X86_XMM5_lo, /* scratch */
UNW_X86_XMM5_hi, /* scratch */
UNW_X86_XMM6_lo, /* scratch */
UNW_X86_XMM6_hi, /* scratch */
UNW_X86_XMM7_lo, /* scratch */
UNW_X86_XMM7_hi, /* scratch */
UNW_X86_MXCSR, /* scratch */
/* segment registers */
UNW_X86_GS, /* special */
UNW_X86_FS, /* special */
UNW_X86_ES, /* special */
UNW_X86_DS, /* special */
UNW_X86_SS, /* special */
UNW_X86_CS, /* special */
UNW_X86_TSS, /* special */
UNW_X86_LDT, /* special */
/* frame info (read-only) */
UNW_X86_CFA,
UNW_X86_XMM0, /* scratch */
UNW_X86_XMM1, /* scratch */
UNW_X86_XMM2, /* scratch */
UNW_X86_XMM3, /* scratch */
UNW_X86_XMM4, /* scratch */
UNW_X86_XMM5, /* scratch */
UNW_X86_XMM6, /* scratch */
UNW_X86_XMM7, /* scratch */
UNW_TDEP_LAST_REG = UNW_X86_XMM7,
UNW_TDEP_IP = UNW_X86_EIP,
UNW_TDEP_SP = UNW_X86_ESP,
UNW_TDEP_EH = UNW_X86_EAX
}
x86_regnum_t;
#define UNW_TDEP_NUM_EH_REGS 2 /* eax and edx are exception args */
typedef struct unw_tdep_save_loc
{
/* Additional target-dependent info on a save location. */
}
unw_tdep_save_loc_t;
/* On x86, we can directly use ucontext_t as the unwind context. */
typedef ucontext_t unw_tdep_context_t;
#include "libunwind-dynamic.h"
typedef struct
{
/* no x86-specific auxiliary proc-info */
}
unw_tdep_proc_info_t;
#include "libunwind-common.h"
#define unw_tdep_getcontext UNW_ARCH_OBJ(getcontext)
extern int unw_tdep_getcontext (unw_tdep_context_t *);
#define unw_tdep_is_fpreg UNW_ARCH_OBJ(is_fpreg)
extern int unw_tdep_is_fpreg (int);
#if defined(__cplusplus) || defined(c_plusplus)
}
#endif
#endif /* LIBUNWIND_H */
contrib/libunwind/include/libunwind-x86_64.h 0 → 100644
浏览文件 @ 2aec6efd
/* libunwind - a platform-independent unwind library
Copyright (C) 2002-2004 Hewlett-Packard Co
Contributed by David Mosberger-Tang <davidm@hpl.hp.com>
Modified for x86_64 by Max Asbock <masbock@us.ibm.com>
This file is part of libunwind.
Permission is hereby granted, free of charge, to any person obtaining
a copy of this software and associated documentation files (the
"Software"), to deal in the Software without restriction, including
without limitation the rights to use, copy, modify, merge, publish,
distribute, sublicense, and/or sell copies of the Software, and to
permit persons to whom the Software is furnished to do so, subject to
the following conditions:
The above copyright notice and this permission notice shall be
included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
#ifndef LIBUNWIND_H
#define LIBUNWIND_H
#if defined(__cplusplus) || defined(c_plusplus)
extern "C" {
#endif
#include <sys/types.h>
#include <inttypes.h>
#include <ucontext.h>
#define UNW_TARGET x86_64
#define UNW_TARGET_X86_64 1
#define _U_TDEP_QP_TRUE 0 /* see libunwind-dynamic.h */
/* This needs to be big enough to accommodate "struct cursor", while
leaving some slack for future expansion. Changing this value will
require recompiling all users of this library. Stack allocation is
relatively cheap and unwind-state copying is relatively rare, so we
want to err on making it rather too big than too small. */
#define UNW_TDEP_CURSOR_LEN 127
typedef uint64_t unw_word_t;
typedef int64_t unw_sword_t;
typedef long double unw_tdep_fpreg_t;
typedef enum
{
UNW_X86_64_RAX,
UNW_X86_64_RDX,
UNW_X86_64_RCX,
UNW_X86_64_RBX,
UNW_X86_64_RSI,
UNW_X86_64_RDI,
UNW_X86_64_RBP,
UNW_X86_64_RSP,
UNW_X86_64_R8,
UNW_X86_64_R9,
UNW_X86_64_R10,
UNW_X86_64_R11,
UNW_X86_64_R12,
UNW_X86_64_R13,
UNW_X86_64_R14,
UNW_X86_64_R15,
UNW_X86_64_RIP,
#ifdef CONFIG_MSABI_SUPPORT
UNW_X86_64_XMM0,
UNW_X86_64_XMM1,
UNW_X86_64_XMM2,
UNW_X86_64_XMM3,
UNW_X86_64_XMM4,
UNW_X86_64_XMM5,
UNW_X86_64_XMM6,
UNW_X86_64_XMM7,
UNW_X86_64_XMM8,
UNW_X86_64_XMM9,
UNW_X86_64_XMM10,
UNW_X86_64_XMM11,
UNW_X86_64_XMM12,
UNW_X86_64_XMM13,
UNW_X86_64_XMM14,
UNW_X86_64_XMM15,
UNW_TDEP_LAST_REG = UNW_X86_64_XMM15,
#else
UNW_TDEP_LAST_REG = UNW_X86_64_RIP,
#endif
/* XXX Add other regs here */
/* frame info (read-only) */
UNW_X86_64_CFA,
UNW_TDEP_IP = UNW_X86_64_RIP,
UNW_TDEP_SP = UNW_X86_64_RSP,
UNW_TDEP_BP = UNW_X86_64_RBP,
UNW_TDEP_EH = UNW_X86_64_RAX
}
x86_64_regnum_t;
#define UNW_TDEP_NUM_EH_REGS 2 /* XXX Not sure what this means */
typedef struct unw_tdep_save_loc
{
/* Additional target-dependent info on a save location. */
char unused;
}
unw_tdep_save_loc_t;
/* On x86_64, we can directly use ucontext_t as the unwind context. */
typedef ucontext_t unw_tdep_context_t;
typedef struct
{
/* no x86-64-specific auxiliary proc-info */
char unused;
}
unw_tdep_proc_info_t;
#include "libunwind-dynamic.h"
#include "libunwind-common.h"
#define unw_tdep_getcontext UNW_ARCH_OBJ(getcontext)
#define unw_tdep_is_fpreg UNW_ARCH_OBJ(is_fpreg)
extern int unw_tdep_getcontext (unw_tdep_context_t *);
extern int unw_tdep_is_fpreg (int);
#if defined(__cplusplus) || defined(c_plusplus)
}
#endif
#endif /* LIBUNWIND_H */
contrib/libunwind/include/libunwind.h 0 → 100644
浏览文件 @ 2aec6efd
/* Provide a real file - not a symlink - as it would cause multiarch conflicts
when multiple different arch releases are installed simultaneously. */
#ifndef UNW_REMOTE_ONLY
#if defined __aarch64__
#include "libunwind-aarch64.h"
#elif defined __arm__
# include "libunwind-arm.h"
#elif defined __hppa__
# include "libunwind-hppa.h"
#elif defined __ia64__
# include "libunwind-ia64.h"
#elif defined __mips__
# include "libunwind-mips.h"
#elif defined __powerpc__ && !defined __powerpc64__
# include "libunwind-ppc32.h"
#elif defined __powerpc64__
# include "libunwind-ppc64.h"
#elif defined __sh__
# include "libunwind-sh.h"
#elif defined __i386__
# include "libunwind-x86.h"
#elif defined __x86_64__
# include "libunwind-x86_64.h"
#elif defined __tilegx__
# include "libunwind-tilegx.h"
#else
# error "Unsupported arch"
#endif
#else /* UNW_REMOTE_ONLY */
# include "libunwind-x86_64.h"
#endif /* UNW_REMOTE_ONLY */
contrib/libunwind/include/libunwind.h.in 0 → 100644
浏览文件 @ 2aec6efd
/* Provide a real file - not a symlink - as it would cause multiarch conflicts
when multiple different arch releases are installed simultaneously. */
#ifndef UNW_REMOTE_ONLY
#if defined __aarch64__
#include "libunwind-aarch64.h"
#elif defined __arm__
# include "libunwind-arm.h"
#elif defined __hppa__
# include "libunwind-hppa.h"
#elif defined __ia64__
# include "libunwind-ia64.h"
#elif defined __mips__
# include "libunwind-mips.h"
#elif defined __powerpc__ && !defined __powerpc64__
# include "libunwind-ppc32.h"
#elif defined __powerpc64__
# include "libunwind-ppc64.h"
#elif defined __sh__
# include "libunwind-sh.h"
#elif defined __i386__
# include "libunwind-x86.h"
#elif defined __x86_64__
# include "libunwind-x86_64.h"
#elif defined __tilegx__
# include "libunwind-tilegx.h"
#else
# error "Unsupported arch"
#endif
#else /* UNW_REMOTE_ONLY */
# include "libunwind-@arch@.h"
#endif /* UNW_REMOTE_ONLY */
contrib/libunwind/include/libunwind_i.h 0 → 100644
浏览文件 @ 2aec6efd
此差异已折叠。
contrib/libunwind/include/mempool.h 0 → 100644
浏览文件 @ 2aec6efd
/* libunwind - a platform-independent unwind library
Copyright (C) 2002-2003 Hewlett-Packard Co
Contributed by David Mosberger-Tang <davidm@hpl.hp.com>
This file is part of libunwind.
Permission is hereby granted, free of charge, to any person obtaining
a copy of this software and associated documentation files (the
"Software"), to deal in the Software without restriction, including
without limitation the rights to use, copy, modify, merge, publish,
distribute, sublicense, and/or sell copies of the Software, and to
permit persons to whom the Software is furnished to do so, subject to
the following conditions:
The above copyright notice and this permission notice shall be
included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
#ifndef mempool_h
#define mempool_h
/* Memory pools provide simple memory management of fixed-size
objects. Memory pools are used for two purposes:
o To ensure a stack can be unwound even when a process
is out of memory.
o To ensure a stack can be unwound at any time in a
multi-threaded process (e.g., even at a time when the normal
malloc-lock is taken, possibly by the very thread that is
being unwind).
To achieve the second objective, memory pools allocate memory
directly via mmap() system call (or an equivalent facility).
The first objective is accomplished by reserving memory ahead of
time. Since the memory requirements of stack unwinding generally
depends on the complexity of the procedures being unwind, there is
no absolute guarantee that unwinding will always work, but in
practice, this should not be a serious problem. */
#include <sys/types.h>
#include "libunwind_i.h"
#define sos_alloc(s) UNWI_ARCH_OBJ(_sos_alloc)(s)
#define mempool_init(p,s,r) UNWI_ARCH_OBJ(_mempool_init)(p,s,r)
#define mempool_alloc(p) UNWI_ARCH_OBJ(_mempool_alloc)(p)
#define mempool_free(p,o) UNWI_ARCH_OBJ(_mempool_free)(p,o)
/* The mempool structure should be treated as an opaque object. It's
declared here only to enable static allocation of mempools. */
struct mempool
{
pthread_mutex_t lock;
size_t obj_size; /* object size (rounded up for alignment) */
size_t chunk_size; /* allocation granularity */
unsigned int reserve; /* minimum (desired) size of the free-list */
unsigned int num_free; /* number of objects on the free-list */
struct object
{
struct object *next;
}
*free_list;
};
/* Emergency allocation for one-time stuff that doesn't fit the memory
pool model. A limited amount of memory is available in this
fashion and once allocated, there is no way to free it. */
extern void *sos_alloc (size_t size);
/* Initialize POOL for an object size of OBJECT_SIZE bytes. RESERVE
is the number of objects that should be reserved for use under
tight memory situations. If it is zero, mempool attempts to pick a
reasonable default value. */
extern void mempool_init (struct mempool *pool,
size_t obj_size, size_t reserve);
extern void *mempool_alloc (struct mempool *pool);
extern void mempool_free (struct mempool *pool, void *object);
#endif /* mempool_h */
contrib/libunwind/include/remote.h 0 → 100644
浏览文件 @ 2aec6efd
#ifndef REMOTE_H
#define REMOTE_H
/* Helper functions for accessing (remote) memory. These functions
assume that all addresses are naturally aligned (e.g., 32-bit
quantity is stored at a 32-bit-aligned address. */
#ifdef UNW_LOCAL_ONLY
static inline int
fetch8 (unw_addr_space_t as, unw_accessors_t *a,
unw_word_t *addr, int8_t *valp, void *arg)
{
*valp = *(int8_t *) (uintptr_t) *addr;
*addr += 1;
return 0;
}
static inline int
fetch16 (unw_addr_space_t as, unw_accessors_t *a,
unw_word_t *addr, int16_t *valp, void *arg)
{
*valp = *(int16_t *) (uintptr_t) *addr;
*addr += 2;
return 0;
}
static inline int
fetch32 (unw_addr_space_t as, unw_accessors_t *a,
unw_word_t *addr, int32_t *valp, void *arg)
{
*valp = *(int32_t *) (uintptr_t) *addr;
*addr += 4;
return 0;
}
static inline int
fetchw (unw_addr_space_t as, unw_accessors_t *a,
unw_word_t *addr, unw_word_t *valp, void *arg)
{
*valp = *(unw_word_t *) (uintptr_t) *addr;
*addr += sizeof (unw_word_t);
return 0;
}
#else /* !UNW_LOCAL_ONLY */
#define WSIZE (sizeof (unw_word_t))
static inline int
fetch8 (unw_addr_space_t as, unw_accessors_t *a,
unw_word_t *addr, int8_t *valp, void *arg)
{
unw_word_t val, aligned_addr = *addr & -WSIZE, off = *addr - aligned_addr;
int ret;
*addr += 1;
ret = (*a->access_mem) (as, aligned_addr, &val, 0, arg);
#if __BYTE_ORDER == __LITTLE_ENDIAN
val >>= 8*off;
#else
val >>= 8*(WSIZE - 1 - off);
#endif
*valp = val & 0xff;
return ret;
}
static inline int
fetch16 (unw_addr_space_t as, unw_accessors_t *a,
unw_word_t *addr, int16_t *valp, void *arg)
{
unw_word_t val, aligned_addr = *addr & -WSIZE, off = *addr - aligned_addr;
int ret;
if ((off & 0x1) != 0)
return -UNW_EINVAL;
*addr += 2;
ret = (*a->access_mem) (as, aligned_addr, &val, 0, arg);
#if __BYTE_ORDER == __LITTLE_ENDIAN
val >>= 8*off;
#else
val >>= 8*(WSIZE - 2 - off);
#endif
*valp = val & 0xffff;
return ret;
}
static inline int
fetch32 (unw_addr_space_t as, unw_accessors_t *a,
unw_word_t *addr, int32_t *valp, void *arg)
{
unw_word_t val, aligned_addr = *addr & -WSIZE, off = *addr - aligned_addr;
int ret;
if ((off & 0x3) != 0)
return -UNW_EINVAL;
*addr += 4;
ret = (*a->access_mem) (as, aligned_addr, &val, 0, arg);
#if __BYTE_ORDER == __LITTLE_ENDIAN
val >>= 8*off;
#else
val >>= 8*(WSIZE - 4 - off);
#endif
*valp = val & 0xffffffff;
return ret;
}
static inline int
fetchw (unw_addr_space_t as, unw_accessors_t *a,
unw_word_t *addr, unw_word_t *valp, void *arg)
{
int ret;
ret = (*a->access_mem) (as, *addr, valp, 0, arg);
*addr += WSIZE;
return ret;
}
#endif /* !UNW_LOCAL_ONLY */
#endif /* REMOTE_H */
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/* libunwind - a platform-independent unwind library
Copyright (C) 2008 CodeSourcery
Copyright (C) 2012 Tommi Rantala <tt.rantala@gmail.com>
Copyright (C) 2013 Linaro Limited
This file is part of libunwind.
Permission is hereby granted, free of charge, to any person obtaining
a copy of this software and associated documentation files (the
"Software"), to deal in the Software without restriction, including
without limitation the rights to use, copy, modify, merge, publish,
distribute, sublicense, and/or sell copies of the Software, and to
permit persons to whom the Software is furnished to do so, subject to
the following conditions:
The above copyright notice and this permission notice shall be
included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
#ifndef dwarf_config_h
#define dwarf_config_h
/* This matches the value udes by GCC (see
gcc/config/aarch64/aarch64.h:DWARF_FRAME_REGISTERS. */
#define DWARF_NUM_PRESERVED_REGS 97
/* Return TRUE if the ADDR_SPACE uses big-endian byte-order. */
#define dwarf_is_big_endian(addr_space) 0
#define dwarf_to_unw_regnum(reg) (((reg) <= UNW_AARCH64_V31) ? (reg) : 0)
/* Convert a pointer to a dwarf_cursor structure to a pointer to
unw_cursor_t. */
#define dwarf_to_cursor(c) ((unw_cursor_t *) (c))
typedef struct dwarf_loc
{
unw_word_t val;
#ifndef UNW_LOCAL_ONLY
unw_word_t type; /* see DWARF_LOC_TYPE_* macros. */
#endif
}
dwarf_loc_t;
#endif /* dwarf_config_h */
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/* libunwind - a platform-independent unwind library
Copyright (C) 2008 CodeSourcery
Copyright (C) 2013 Linaro Limited
This file is part of libunwind.
Permission is hereby granted, free of charge, to any person obtaining
a copy of this software and associated documentation files (the
"Software"), to deal in the Software without restriction, including
without limitation the rights to use, copy, modify, merge, publish,
distribute, sublicense, and/or sell copies of the Software, and to
permit persons to whom the Software is furnished to do so, subject to
the following conditions:
The above copyright notice and this permission notice shall be
included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/* Use glibc's jump-buffer indices; NPTL peeks at SP: */
/* FIXME for AArch64 */
#define JB_SP 13
#define JB_RP 14
#define JB_MASK_SAVED 15
#define JB_MASK 16
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#define UNW_LOCAL_ONLY
#include <libunwind.h>
#if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY)
#include "Gapply_reg_state.c"
#endif
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#include <libunwind.h>
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#endif
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#include <libunwind.h>
#if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY)
#include "Gget_proc_info.c"
#endif
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#define UNW_LOCAL_ONLY
#include <libunwind.h>
#if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY)
#include "Gget_save_loc.c"
#endif
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#define UNW_LOCAL_ONLY
#include <libunwind.h>
#if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY)
#include "Gglobal.c"
#endif
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