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f1c32c32
编写于
11月 01, 2012
作者:
C
coleenp
浏览文件
操作
浏览文件
下载
差异文件
Merge
上级
d8c25817
30062b49
变更
26
展开全部
隐藏空白更改
内联
并排
Showing
26 changed file
with
95 addition
and
1727 deletion
+95
-1727
src/os/bsd/vm/attachListener_bsd.cpp
src/os/bsd/vm/attachListener_bsd.cpp
+0
-12
src/os/bsd/vm/osThread_bsd.hpp
src/os/bsd/vm/osThread_bsd.hpp
+0
-6
src/os/bsd/vm/os_bsd.cpp
src/os/bsd/vm/os_bsd.cpp
+10
-1293
src/os/bsd/vm/os_bsd.hpp
src/os/bsd/vm/os_bsd.hpp
+0
-84
src/os/windows/vm/os_windows.cpp
src/os/windows/vm/os_windows.cpp
+9
-69
src/os_cpu/bsd_x86/vm/bytes_bsd_x86.inline.hpp
src/os_cpu/bsd_x86/vm/bytes_bsd_x86.inline.hpp
+0
-4
src/os_cpu/bsd_x86/vm/globals_bsd_x86.hpp
src/os_cpu/bsd_x86/vm/globals_bsd_x86.hpp
+0
-2
src/os_cpu/bsd_x86/vm/os_bsd_x86.cpp
src/os_cpu/bsd_x86/vm/os_bsd_x86.cpp
+2
-125
src/os_cpu/bsd_zero/vm/globals_bsd_zero.hpp
src/os_cpu/bsd_zero/vm/globals_bsd_zero.hpp
+0
-1
src/os_cpu/bsd_zero/vm/os_bsd_zero.cpp
src/os_cpu/bsd_zero/vm/os_bsd_zero.cpp
+2
-93
src/os_cpu/linux_sparc/vm/globals_linux_sparc.hpp
src/os_cpu/linux_sparc/vm/globals_linux_sparc.hpp
+0
-2
src/os_cpu/linux_x86/vm/globals_linux_x86.hpp
src/os_cpu/linux_x86/vm/globals_linux_x86.hpp
+0
-2
src/os_cpu/linux_zero/vm/globals_linux_zero.hpp
src/os_cpu/linux_zero/vm/globals_linux_zero.hpp
+0
-1
src/os_cpu/solaris_sparc/vm/globals_solaris_sparc.hpp
src/os_cpu/solaris_sparc/vm/globals_solaris_sparc.hpp
+0
-2
src/os_cpu/solaris_x86/vm/globals_solaris_x86.hpp
src/os_cpu/solaris_x86/vm/globals_solaris_x86.hpp
+0
-2
src/os_cpu/windows_x86/vm/globals_windows_x86.hpp
src/os_cpu/windows_x86/vm/globals_windows_x86.hpp
+0
-2
src/os_cpu/windows_x86/vm/os_windows_x86.cpp
src/os_cpu/windows_x86/vm/os_windows_x86.cpp
+0
-3
src/share/vm/classfile/vmSymbols.hpp
src/share/vm/classfile/vmSymbols.hpp
+1
-0
src/share/vm/prims/jvmti.xml
src/share/vm/prims/jvmti.xml
+28
-19
src/share/vm/prims/jvmtiEnvBase.hpp
src/share/vm/prims/jvmtiEnvBase.hpp
+1
-1
src/share/vm/runtime/arguments.cpp
src/share/vm/runtime/arguments.cpp
+7
-0
src/share/vm/runtime/globals.hpp
src/share/vm/runtime/globals.hpp
+0
-3
src/share/vm/runtime/java.cpp
src/share/vm/runtime/java.cpp
+1
-0
src/share/vm/runtime/java.hpp
src/share/vm/runtime/java.hpp
+8
-0
src/share/vm/runtime/thread.cpp
src/share/vm/runtime/thread.cpp
+23
-0
src/share/vm/utilities/vmError.cpp
src/share/vm/utilities/vmError.cpp
+3
-1
未找到文件。
src/os/bsd/vm/attachListener_bsd.cpp
浏览文件 @
f1c32c32
...
...
@@ -342,7 +342,6 @@ BsdAttachOperation* BsdAttachListener::dequeue() {
// get the credentials of the peer and check the effective uid/guid
// - check with jeff on this.
#ifdef _ALLBSD_SOURCE
uid_t
puid
;
gid_t
pgid
;
if
(
::
getpeereid
(
s
,
&
puid
,
&
pgid
)
!=
0
)
{
...
...
@@ -350,17 +349,6 @@ BsdAttachOperation* BsdAttachListener::dequeue() {
RESTARTABLE
(
::
close
(
s
),
res
);
continue
;
}
#else
struct
ucred
cred_info
;
socklen_t
optlen
=
sizeof
(
cred_info
);
if
(
::
getsockopt
(
s
,
SOL_SOCKET
,
SO_PEERCRED
,
(
void
*
)
&
cred_info
,
&
optlen
)
==
-
1
)
{
int
res
;
RESTARTABLE
(
::
close
(
s
),
res
);
continue
;
}
uid_t
puid
=
cred_info
.
uid
;
gid_t
pgid
=
cred_info
.
gid
;
#endif
uid_t
euid
=
geteuid
();
gid_t
egid
=
getegid
();
...
...
src/os/bsd/vm/osThread_bsd.hpp
浏览文件 @
f1c32c32
...
...
@@ -39,18 +39,12 @@
private
:
#ifdef _ALLBSD_SOURCE
#ifdef __APPLE__
typedef
thread_t
thread_id_t
;
#else
typedef
pthread_t
thread_id_t
;
#endif
#else
typedef
pid_t
thread_id_t
;
#endif
// _pthread_id is the pthread id, which is used by library calls
// (e.g. pthread_kill).
pthread_t
_pthread_id
;
...
...
src/os/bsd/vm/os_bsd.cpp
浏览文件 @
f1c32c32
此差异已折叠。
点击以展开。
src/os/bsd/vm/os_bsd.hpp
浏览文件 @
f1c32c32
...
...
@@ -56,19 +56,6 @@ class Bsd {
static
int
sigflags
[
MAXSIGNUM
];
static
int
(
*
_clock_gettime
)(
clockid_t
,
struct
timespec
*
);
#ifndef _ALLBSD_SOURCE
static
int
(
*
_pthread_getcpuclockid
)(
pthread_t
,
clockid_t
*
);
static
address
_initial_thread_stack_bottom
;
static
uintptr_t
_initial_thread_stack_size
;
static
const
char
*
_glibc_version
;
static
const
char
*
_libpthread_version
;
static
bool
_is_floating_stack
;
static
bool
_is_NPTL
;
static
bool
_supports_fast_thread_cpu_time
;
#endif
static
GrowableArray
<
int
>*
_cpu_to_node
;
...
...
@@ -76,28 +63,14 @@ class Bsd {
static
julong
_physical_memory
;
static
pthread_t
_main_thread
;
#ifndef _ALLBSD_SOURCE
static
Mutex
*
_createThread_lock
;
#endif
static
int
_page_size
;
static
julong
available_memory
();
static
julong
physical_memory
()
{
return
_physical_memory
;
}
static
void
initialize_system_info
();
#ifndef _ALLBSD_SOURCE
static
void
set_glibc_version
(
const
char
*
s
)
{
_glibc_version
=
s
;
}
static
void
set_libpthread_version
(
const
char
*
s
)
{
_libpthread_version
=
s
;
}
#endif
static
bool
supports_variable_stack_size
();
#ifndef _ALLBSD_SOURCE
static
void
set_is_NPTL
()
{
_is_NPTL
=
true
;
}
static
void
set_is_BsdThreads
()
{
_is_NPTL
=
false
;
}
static
void
set_is_floating_stack
()
{
_is_floating_stack
=
true
;
}
#endif
static
void
rebuild_cpu_to_node_map
();
static
GrowableArray
<
int
>*
cpu_to_node
()
{
return
_cpu_to_node
;
}
...
...
@@ -106,25 +79,10 @@ class Bsd {
public:
static
void
init_thread_fpu_state
();
#ifndef _ALLBSD_SOURCE
static
int
get_fpu_control_word
();
static
void
set_fpu_control_word
(
int
fpu_control
);
#endif
static
pthread_t
main_thread
(
void
)
{
return
_main_thread
;
}
#ifndef _ALLBSD_SOURCE
// returns kernel thread id (similar to LWP id on Solaris), which can be
// used to access /proc
static
pid_t
gettid
();
static
void
set_createThread_lock
(
Mutex
*
lk
)
{
_createThread_lock
=
lk
;
}
static
Mutex
*
createThread_lock
(
void
)
{
return
_createThread_lock
;
}
#endif
static
void
hotspot_sigmask
(
Thread
*
thread
);
#ifndef _ALLBSD_SOURCE
static
address
initial_thread_stack_bottom
(
void
)
{
return
_initial_thread_stack_bottom
;
}
static
uintptr_t
initial_thread_stack_size
(
void
)
{
return
_initial_thread_stack_size
;
}
#endif
static
bool
is_initial_thread
(
void
);
static
int
page_size
(
void
)
{
return
_page_size
;
}
...
...
@@ -161,23 +119,6 @@ class Bsd {
static
struct
sigaction
*
get_chained_signal_action
(
int
sig
);
static
bool
chained_handler
(
int
sig
,
siginfo_t
*
siginfo
,
void
*
context
);
#ifndef _ALLBSD_SOURCE
// GNU libc and libpthread version strings
static
const
char
*
glibc_version
()
{
return
_glibc_version
;
}
static
const
char
*
libpthread_version
()
{
return
_libpthread_version
;
}
// NPTL or BsdThreads?
static
bool
is_BsdThreads
()
{
return
!
_is_NPTL
;
}
static
bool
is_NPTL
()
{
return
_is_NPTL
;
}
// NPTL is always floating stack. BsdThreads could be using floating
// stack or fixed stack.
static
bool
is_floating_stack
()
{
return
_is_floating_stack
;
}
static
void
libpthread_init
();
static
bool
libnuma_init
();
static
void
*
libnuma_dlsym
(
void
*
handle
,
const
char
*
name
);
#endif
// Minimum stack size a thread can be created with (allowing
// the VM to completely create the thread and enter user code)
static
size_t
min_stack_allowed
;
...
...
@@ -186,22 +127,9 @@ class Bsd {
static
size_t
default_stack_size
(
os
::
ThreadType
thr_type
);
static
size_t
default_guard_size
(
os
::
ThreadType
thr_type
);
#ifndef _ALLBSD_SOURCE
static
void
capture_initial_stack
(
size_t
max_size
);
// Stack overflow handling
static
bool
manually_expand_stack
(
JavaThread
*
t
,
address
addr
);
static
int
max_register_window_saves_before_flushing
();
#endif
// Real-time clock functions
static
void
clock_init
(
void
);
#ifndef _ALLBSD_SOURCE
// fast POSIX clocks support
static
void
fast_thread_clock_init
(
void
);
#endif
static
inline
bool
supports_monotonic_clock
()
{
return
_clock_gettime
!=
NULL
;
}
...
...
@@ -210,18 +138,6 @@ class Bsd {
return
_clock_gettime
?
_clock_gettime
(
clock_id
,
tp
)
:
-
1
;
}
#ifndef _ALLBSD_SOURCE
static
int
pthread_getcpuclockid
(
pthread_t
tid
,
clockid_t
*
clock_id
)
{
return
_pthread_getcpuclockid
?
_pthread_getcpuclockid
(
tid
,
clock_id
)
:
-
1
;
}
static
bool
supports_fast_thread_cpu_time
()
{
return
_supports_fast_thread_cpu_time
;
}
static
jlong
fast_thread_cpu_time
(
clockid_t
clockid
);
#endif
// Stack repair handling
// none present
...
...
src/os/windows/vm/os_windows.cpp
浏览文件 @
f1c32c32
...
...
@@ -22,7 +22,7 @@
*
*/
// Must be at least Windows 2000 or XP to use
VectoredExceptions and
IsDebuggerPresent
// Must be at least Windows 2000 or XP to use IsDebuggerPresent
#define _WIN32_WINNT 0x500
// no precompiled headers
...
...
@@ -110,10 +110,6 @@ static FILETIME process_exit_time;
static
FILETIME
process_user_time
;
static
FILETIME
process_kernel_time
;
#ifdef _WIN64
PVOID
topLevelVectoredExceptionHandler
=
NULL
;
#endif
#ifdef _M_IA64
#define __CPU__ ia64
#elif _M_AMD64
...
...
@@ -136,12 +132,6 @@ BOOL WINAPI DllMain(HINSTANCE hinst, DWORD reason, LPVOID reserved) {
case
DLL_PROCESS_DETACH
:
if
(
ForceTimeHighResolution
)
timeEndPeriod
(
1L
);
#ifdef _WIN64
if
(
topLevelVectoredExceptionHandler
!=
NULL
)
{
RemoveVectoredExceptionHandler
(
topLevelVectoredExceptionHandler
);
topLevelVectoredExceptionHandler
=
NULL
;
}
#endif
break
;
default:
break
;
...
...
@@ -408,20 +398,14 @@ static unsigned __stdcall java_start(Thread* thread) {
}
if
(
UseVectoredExceptions
)
{
// If we are using vectored exception we don't need to set a SEH
thread
->
run
();
}
else
{
// Install a win32 structured exception handler around every thread created
// by VM, so VM can genrate error dump when an exception occurred in non-
// Java thread (e.g. VM thread).
__try
{
thread
->
run
();
}
__except
(
topLevelExceptionFilter
(
(
_EXCEPTION_POINTERS
*
)
_exception_info
()))
{
// Nothing to do.
}
// Install a win32 structured exception handler around every thread created
// by VM, so VM can genrate error dump when an exception occurred in non-
// Java thread (e.g. VM thread).
__try
{
thread
->
run
();
}
__except
(
topLevelExceptionFilter
(
(
_EXCEPTION_POINTERS
*
)
_exception_info
()))
{
// Nothing to do.
}
// One less thread is executing
...
...
@@ -2489,16 +2473,6 @@ LONG WINAPI topLevelExceptionFilter(struct _EXCEPTION_POINTERS* exceptionInfo) {
}
#endif
#ifdef _WIN64
// Windows will sometimes generate an access violation
// when we call malloc. Since we use VectoredExceptions
// on 64 bit platforms, we see this exception. We must
// pass this exception on so Windows can recover.
// We check to see if the pc of the fault is in NTDLL.DLL
// if so, we pass control on to Windows for handling.
if
(
UseVectoredExceptions
&&
_addr_in_ntdll
(
pc
))
return
EXCEPTION_CONTINUE_SEARCH
;
#endif
// Stack overflow or null pointer exception in native code.
report_error
(
t
,
exception_code
,
pc
,
exceptionInfo
->
ExceptionRecord
,
exceptionInfo
->
ContextRecord
);
...
...
@@ -2527,30 +2501,8 @@ LONG WINAPI topLevelExceptionFilter(struct _EXCEPTION_POINTERS* exceptionInfo) {
}
if
(
exception_code
!=
EXCEPTION_BREAKPOINT
)
{
#ifndef _WIN64
report_error
(
t
,
exception_code
,
pc
,
exceptionInfo
->
ExceptionRecord
,
exceptionInfo
->
ContextRecord
);
#else
// Itanium Windows uses a VectoredExceptionHandler
// Which means that C++ programatic exception handlers (try/except)
// will get here. Continue the search for the right except block if
// the exception code is not a fatal code.
switch
(
exception_code
)
{
case
EXCEPTION_ACCESS_VIOLATION
:
case
EXCEPTION_STACK_OVERFLOW
:
case
EXCEPTION_ILLEGAL_INSTRUCTION
:
case
EXCEPTION_ILLEGAL_INSTRUCTION_2
:
case
EXCEPTION_INT_OVERFLOW
:
case
EXCEPTION_INT_DIVIDE_BY_ZERO
:
case
EXCEPTION_UNCAUGHT_CXX_EXCEPTION
:
{
report_error
(
t
,
exception_code
,
pc
,
exceptionInfo
->
ExceptionRecord
,
exceptionInfo
->
ContextRecord
);
}
break
;
default:
break
;
}
#endif
}
return
EXCEPTION_CONTINUE_SEARCH
;
}
...
...
@@ -3706,18 +3658,6 @@ jint os::init_2(void) {
// Setup Windows Exceptions
// On Itanium systems, Structured Exception Handling does not
// work since stack frames must be walkable by the OS. Since
// much of our code is dynamically generated, and we do not have
// proper unwind .xdata sections, the system simply exits
// rather than delivering the exception. To work around
// this we use VectorExceptions instead.
#ifdef _WIN64
if
(
UseVectoredExceptions
)
{
topLevelVectoredExceptionHandler
=
AddVectoredExceptionHandler
(
1
,
topLevelExceptionFilter
);
}
#endif
// for debugging float code generation bugs
if
(
ForceFloatExceptions
)
{
#ifndef _WIN64
...
...
src/os_cpu/bsd_x86/vm/bytes_bsd_x86.inline.hpp
浏览文件 @
f1c32c32
...
...
@@ -25,10 +25,6 @@
#ifndef OS_CPU_BSD_X86_VM_BYTES_BSD_X86_INLINE_HPP
#define OS_CPU_BSD_X86_VM_BYTES_BSD_X86_INLINE_HPP
#ifndef _ALLBSD_SOURCE
#include <byteswap.h>
#endif
#ifdef __APPLE__
#include <libkern/OSByteOrder.h>
#endif
...
...
src/os_cpu/bsd_x86/vm/globals_bsd_x86.hpp
浏览文件 @
f1c32c32
...
...
@@ -48,7 +48,5 @@ define_pd_global(uintx, JVMInvokeMethodSlack, 8192);
// Used on 64 bit platforms for UseCompressedOops base address or CDS
define_pd_global
(
uintx
,
HeapBaseMinAddress
,
2
*
G
);
// Only used on 64 bit Windows platforms
define_pd_global
(
bool
,
UseVectoredExceptions
,
false
);
#endif // OS_CPU_BSD_X86_VM_GLOBALS_BSD_X86_HPP
src/os_cpu/bsd_x86/vm/os_bsd_x86.cpp
浏览文件 @
f1c32c32
...
...
@@ -76,7 +76,7 @@
# include <ucontext.h>
#endif
#if
defined(_ALLBSD_SOURCE) &&
!defined(__APPLE__) && !defined(__NetBSD__)
#if !defined(__APPLE__) && !defined(__NetBSD__)
# include <pthread_np.h>
#endif
...
...
@@ -489,23 +489,6 @@ JVM_handle_bsd_signal(int sig,
// to handle_unexpected_exception way down below.
thread
->
disable_stack_red_zone
();
tty
->
print_raw_cr
(
"An irrecoverable stack overflow has occurred."
);
#ifndef _ALLBSD_SOURCE
}
else
{
// Accessing stack address below sp may cause SEGV if current
// thread has MAP_GROWSDOWN stack. This should only happen when
// current thread was created by user code with MAP_GROWSDOWN flag
// and then attached to VM. See notes in os_bsd.cpp.
if
(
thread
->
osthread
()
->
expanding_stack
()
==
0
)
{
thread
->
osthread
()
->
set_expanding_stack
();
if
(
os
::
Bsd
::
manually_expand_stack
(
thread
,
addr
))
{
thread
->
osthread
()
->
clear_expanding_stack
();
return
1
;
}
thread
->
osthread
()
->
clear_expanding_stack
();
}
else
{
fatal
(
"recursive segv. expanding stack."
);
}
#endif
}
}
}
...
...
@@ -744,61 +727,21 @@ JVM_handle_bsd_signal(int sig,
ShouldNotReachHere
();
}
#ifdef _ALLBSD_SOURCE
// From solaris_i486.s ported to bsd_i486.s
extern
"C"
void
fixcw
();
#endif
void
os
::
Bsd
::
init_thread_fpu_state
(
void
)
{
#ifndef AMD64
# ifdef _ALLBSD_SOURCE
// Set fpu to 53 bit precision. This happens too early to use a stub.
fixcw
();
# else
// set fpu to 53 bit precision
set_fpu_control_word
(
0x27f
);
# endif
#endif // !AMD64
}
#ifndef _ALLBSD_SOURCE
int
os
::
Bsd
::
get_fpu_control_word
(
void
)
{
#ifdef AMD64
return
0
;
#else
int
fpu_control
;
_FPU_GETCW
(
fpu_control
);
return
fpu_control
&
0xffff
;
#endif // AMD64
}
void
os
::
Bsd
::
set_fpu_control_word
(
int
fpu_control
)
{
#ifndef AMD64
_FPU_SETCW
(
fpu_control
);
#endif // !AMD64
}
#endif
// Check that the bsd kernel version is 2.4 or higher since earlier
// versions do not support SSE without patches.
bool
os
::
supports_sse
()
{
#if defined(AMD64) || defined(_ALLBSD_SOURCE)
return
true
;
#else
struct
utsname
uts
;
if
(
uname
(
&
uts
)
!=
0
)
return
false
;
// uname fails?
char
*
minor_string
;
int
major
=
strtol
(
uts
.
release
,
&
minor_string
,
10
);
int
minor
=
strtol
(
minor_string
+
1
,
NULL
,
10
);
bool
result
=
(
major
>
2
||
(
major
==
2
&&
minor
>=
4
));
#ifndef PRODUCT
if
(
PrintMiscellaneous
&&
Verbose
)
{
tty
->
print
(
"OS version is %d.%d, which %s support SSE/SSE2
\n
"
,
major
,
minor
,
result
?
"DOES"
:
"does NOT"
);
}
#endif
return
result
;
#endif // AMD64
}
bool
os
::
is_allocatable
(
size_t
bytes
)
{
...
...
@@ -836,46 +779,7 @@ size_t os::Bsd::min_stack_allowed = (48 DEBUG_ONLY(+4))*K;
#define GET_GS() ({int gs; __asm__ volatile("movw %%gs, %w0":"=q"(gs)); gs&0xffff;})
#endif
#ifdef _ALLBSD_SOURCE
bool
os
::
Bsd
::
supports_variable_stack_size
()
{
return
true
;
}
#else
// Test if pthread library can support variable thread stack size. BsdThreads
// in fixed stack mode allocates 2M fixed slot for each thread. BsdThreads
// in floating stack mode and NPTL support variable stack size.
bool
os
::
Bsd
::
supports_variable_stack_size
()
{
if
(
os
::
Bsd
::
is_NPTL
())
{
// NPTL, yes
return
true
;
}
else
{
// Note: We can't control default stack size when creating a thread.
// If we use non-default stack size (pthread_attr_setstacksize), both
// floating stack and non-floating stack BsdThreads will return the
// same value. This makes it impossible to implement this function by
// detecting thread stack size directly.
//
// An alternative approach is to check %gs. Fixed-stack BsdThreads
// do not use %gs, so its value is 0. Floating-stack BsdThreads use
// %gs (either as LDT selector or GDT selector, depending on kernel)
// to access thread specific data.
//
// Note that %gs is a reserved glibc register since early 2001, so
// applications are not allowed to change its value (Ulrich Drepper from
// Redhat confirmed that all known offenders have been modified to use
// either %fs or TSD). In the worst case scenario, when VM is embedded in
// a native application that plays with %gs, we might see non-zero %gs
// even BsdThreads is running in fixed stack mode. As the result, we'll
// return true and skip _thread_safety_check(), so we may not be able to
// detect stack-heap collisions. But otherwise it's harmless.
//
#ifdef __GNUC__
return
(
GET_GS
()
!=
0
);
#else
return
false
;
#endif
}
}
#endif
#endif // AMD64
// return default stack size for thr_type
...
...
@@ -943,7 +847,7 @@ static void current_stack_region(address * bottom, size_t * size) {
*
bottom
=
(
address
)((
char
*
)
ss
.
ss_sp
-
ss
.
ss_size
);
*
size
=
ss
.
ss_size
;
#el
if defined(_ALLBSD_SOURCE)
#el
se
pthread_attr_t
attr
;
int
rslt
=
pthread_attr_init
(
&
attr
);
...
...
@@ -963,33 +867,6 @@ static void current_stack_region(address * bottom, size_t * size) {
}
pthread_attr_destroy
(
&
attr
);
#else
if
(
os
::
Bsd
::
is_initial_thread
())
{
// initial thread needs special handling because pthread_getattr_np()
// may return bogus value.
*
bottom
=
os
::
Bsd
::
initial_thread_stack_bottom
();
*
size
=
os
::
Bsd
::
initial_thread_stack_size
();
}
else
{
pthread_attr_t
attr
;
int
rslt
=
pthread_getattr_np
(
pthread_self
(),
&
attr
);
// JVM needs to know exact stack location, abort if it fails
if
(
rslt
!=
0
)
{
if
(
rslt
==
ENOMEM
)
{
vm_exit_out_of_memory
(
0
,
"pthread_getattr_np"
);
}
else
{
fatal
(
err_msg
(
"pthread_getattr_np failed with errno = %d"
,
rslt
));
}
}
if
(
pthread_attr_getstack
(
&
attr
,
(
void
**
)
bottom
,
size
)
!=
0
)
{
fatal
(
"Can not locate current stack attributes!"
);
}
pthread_attr_destroy
(
&
attr
);
}
#endif
assert
(
os
::
current_stack_pointer
()
>=
*
bottom
&&
os
::
current_stack_pointer
()
<
*
bottom
+
*
size
,
"just checking"
);
...
...
src/os_cpu/bsd_zero/vm/globals_bsd_zero.hpp
浏览文件 @
f1c32c32
...
...
@@ -41,7 +41,6 @@ define_pd_global(intx, VMThreadStackSize, 512);
define_pd_global
(
intx
,
CompilerThreadStackSize
,
0
);
define_pd_global
(
uintx
,
JVMInvokeMethodSlack
,
8192
);
define_pd_global
(
bool
,
UseVectoredExceptions
,
false
);
// Used on 64 bit platforms for UseCompressedOops base address or CDS
define_pd_global
(
uintx
,
HeapBaseMinAddress
,
2
*
G
);
...
...
src/os_cpu/bsd_zero/vm/os_bsd_zero.cpp
浏览文件 @
f1c32c32
...
...
@@ -23,7 +23,7 @@
*
*/
#if
defined(_ALLBSD_SOURCE) &&
!defined(__APPLE__) && !defined(__NetBSD__)
#if !defined(__APPLE__) && !defined(__NetBSD__)
#include <pthread.h>
# include <pthread_np.h>
/* For pthread_attr_get_np */
#endif
...
...
@@ -178,26 +178,6 @@ JVM_handle_bsd_signal(int sig,
thread
->
disable_stack_red_zone
();
ShouldNotCallThis
();
}
#ifndef _ALLBSD_SOURCE
else
{
// Accessing stack address below sp may cause SEGV if
// current thread has MAP_GROWSDOWN stack. This should
// only happen when current thread was created by user
// code with MAP_GROWSDOWN flag and then attached to VM.
// See notes in os_bsd.cpp.
if
(
thread
->
osthread
()
->
expanding_stack
()
==
0
)
{
thread
->
osthread
()
->
set_expanding_stack
();
if
(
os
::
Bsd
::
manually_expand_stack
(
thread
,
addr
))
{
thread
->
osthread
()
->
clear_expanding_stack
();
return
true
;
}
thread
->
osthread
()
->
clear_expanding_stack
();
}
else
{
fatal
(
"recursive segv. expanding stack."
);
}
}
#endif
}
}
...
...
@@ -266,16 +246,6 @@ void os::Bsd::init_thread_fpu_state(void) {
// Nothing to do
}
#ifndef _ALLBSD_SOURCE
int
os
::
Bsd
::
get_fpu_control_word
()
{
ShouldNotCallThis
();
}
void
os
::
Bsd
::
set_fpu_control_word
(
int
fpu
)
{
ShouldNotCallThis
();
}
#endif
bool
os
::
is_allocatable
(
size_t
bytes
)
{
#ifdef _LP64
return
true
;
...
...
@@ -339,7 +309,7 @@ static void current_stack_region(address *bottom, size_t *size) {
stack_top
=
(
address
)
ss
.
ss_sp
;
stack_bytes
=
ss
.
ss_size
;
stack_bottom
=
stack_top
-
stack_bytes
;
#el
if defined(_ALLBSD_SOURCE)
#el
se
pthread_attr_t
attr
;
int
rslt
=
pthread_attr_init
(
&
attr
);
...
...
@@ -362,67 +332,6 @@ static void current_stack_region(address *bottom, size_t *size) {
pthread_attr_destroy
(
&
attr
);
stack_top
=
stack_bottom
+
stack_bytes
;
#else
/* Linux */
pthread_attr_t
attr
;
int
res
=
pthread_getattr_np
(
pthread_self
(),
&
attr
);
if
(
res
!=
0
)
{
if
(
res
==
ENOMEM
)
{
vm_exit_out_of_memory
(
0
,
"pthread_getattr_np"
);
}
else
{
fatal
(
err_msg
(
"pthread_getattr_np failed with errno = "
INT32_FORMAT
,
res
));
}
}
res
=
pthread_attr_getstack
(
&
attr
,
(
void
**
)
&
stack_bottom
,
&
stack_bytes
);
if
(
res
!=
0
)
{
fatal
(
err_msg
(
"pthread_attr_getstack failed with errno = "
INT32_FORMAT
,
res
));
}
stack_top
=
stack_bottom
+
stack_bytes
;
// The block of memory returned by pthread_attr_getstack() includes
// guard pages where present. We need to trim these off.
size_t
page_bytes
=
os
::
Bsd
::
page_size
();
assert
(((
intptr_t
)
stack_bottom
&
(
page_bytes
-
1
))
==
0
,
"unaligned stack"
);
size_t
guard_bytes
;
res
=
pthread_attr_getguardsize
(
&
attr
,
&
guard_bytes
);
if
(
res
!=
0
)
{
fatal
(
err_msg
(
"pthread_attr_getguardsize failed with errno = "
INT32_FORMAT
,
res
));
}
int
guard_pages
=
align_size_up
(
guard_bytes
,
page_bytes
)
/
page_bytes
;
assert
(
guard_bytes
==
guard_pages
*
page_bytes
,
"unaligned guard"
);
#ifdef IA64
// IA64 has two stacks sharing the same area of memory, a normal
// stack growing downwards and a register stack growing upwards.
// Guard pages, if present, are in the centre. This code splits
// the stack in two even without guard pages, though in theory
// there's nothing to stop us allocating more to the normal stack
// or more to the register stack if one or the other were found
// to grow faster.
int
total_pages
=
align_size_down
(
stack_bytes
,
page_bytes
)
/
page_bytes
;
stack_bottom
+=
(
total_pages
-
guard_pages
)
/
2
*
page_bytes
;
#endif // IA64
stack_bottom
+=
guard_bytes
;
pthread_attr_destroy
(
&
attr
);
// The initial thread has a growable stack, and the size reported
// by pthread_attr_getstack is the maximum size it could possibly
// be given what currently mapped. This can be huge, so we cap it.
if
(
os
::
Bsd
::
is_initial_thread
())
{
stack_bytes
=
stack_top
-
stack_bottom
;
if
(
stack_bytes
>
JavaThread
::
stack_size_at_create
())
stack_bytes
=
JavaThread
::
stack_size_at_create
();
stack_bottom
=
stack_top
-
stack_bytes
;
}
#endif
assert
(
os
::
current_stack_pointer
()
>=
stack_bottom
,
"should do"
);
...
...
src/os_cpu/linux_sparc/vm/globals_linux_sparc.hpp
浏览文件 @
f1c32c32
...
...
@@ -35,7 +35,5 @@ define_pd_global(intx, CompilerThreadStackSize, 0);
// Used on 64 bit platforms for UseCompressedOops base address or CDS
define_pd_global
(
uintx
,
HeapBaseMinAddress
,
CONST64
(
4
)
*
G
);
// Only used on 64 bit Windows platforms
define_pd_global
(
bool
,
UseVectoredExceptions
,
false
);
#endif // OS_CPU_LINUX_SPARC_VM_GLOBALS_LINUX_SPARC_HPP
src/os_cpu/linux_x86/vm/globals_linux_x86.hpp
浏览文件 @
f1c32c32
...
...
@@ -46,7 +46,5 @@ define_pd_global(uintx,JVMInvokeMethodSlack, 8192);
// Used on 64 bit platforms for UseCompressedOops base address or CDS
define_pd_global
(
uintx
,
HeapBaseMinAddress
,
2
*
G
);
// Only used on 64 bit Windows platforms
define_pd_global
(
bool
,
UseVectoredExceptions
,
false
);
#endif // OS_CPU_LINUX_X86_VM_GLOBALS_LINUX_X86_HPP
src/os_cpu/linux_zero/vm/globals_linux_zero.hpp
浏览文件 @
f1c32c32
...
...
@@ -41,7 +41,6 @@ define_pd_global(intx, VMThreadStackSize, 512);
define_pd_global
(
intx
,
CompilerThreadStackSize
,
0
);
define_pd_global
(
uintx
,
JVMInvokeMethodSlack
,
8192
);
define_pd_global
(
bool
,
UseVectoredExceptions
,
false
);
// Used on 64 bit platforms for UseCompressedOops base address or CDS
define_pd_global
(
uintx
,
HeapBaseMinAddress
,
2
*
G
);
...
...
src/os_cpu/solaris_sparc/vm/globals_solaris_sparc.hpp
浏览文件 @
f1c32c32
...
...
@@ -39,8 +39,6 @@ define_pd_global(uintx, HeapBaseMinAddress, CONST64(4)*G);
#else
define_pd_global
(
uintx
,
HeapBaseMinAddress
,
2
*
G
);
#endif
// Only used on 64 bit Windows platforms
define_pd_global
(
bool
,
UseVectoredExceptions
,
false
);
...
...
src/os_cpu/solaris_x86/vm/globals_solaris_x86.hpp
浏览文件 @
f1c32c32
...
...
@@ -45,7 +45,5 @@ define_pd_global(intx, CompilerThreadStackSize, 0);
// Used on 64 bit platforms for UseCompressedOops base address or CDS
define_pd_global
(
uintx
,
HeapBaseMinAddress
,
256
*
M
);
// Only used on 64 bit Windows platforms
define_pd_global
(
bool
,
UseVectoredExceptions
,
false
);
#endif // OS_CPU_SOLARIS_X86_VM_GLOBALS_SOLARIS_X86_HPP
src/os_cpu/windows_x86/vm/globals_windows_x86.hpp
浏览文件 @
f1c32c32
...
...
@@ -47,7 +47,5 @@ define_pd_global(uintx, JVMInvokeMethodSlack, 8192);
// Used on 64 bit platforms for UseCompressedOops base address or CDS
define_pd_global
(
uintx
,
HeapBaseMinAddress
,
2
*
G
);
// Only used on 64 bit Windows platforms
define_pd_global
(
bool
,
UseVectoredExceptions
,
false
);
#endif // OS_CPU_WINDOWS_X86_VM_GLOBALS_WINDOWS_X86_HPP
src/os_cpu/windows_x86/vm/os_windows_x86.cpp
浏览文件 @
f1c32c32
...
...
@@ -175,9 +175,6 @@ bool os::register_code_area(char *low, char *high) {
PRUNTIME_FUNCTION
prt
;
PUNWIND_INFO_EH_ONLY
punwind
;
// If we are using Vectored Exceptions we don't need this registration
if
(
UseVectoredExceptions
)
return
true
;
BufferBlob
*
blob
=
BufferBlob
::
create
(
"CodeCache Exception Handler"
,
sizeof
(
DynamicCodeData
));
CodeBuffer
cb
(
blob
);
MacroAssembler
*
masm
=
new
MacroAssembler
(
&
cb
);
...
...
src/share/vm/classfile/vmSymbols.hpp
浏览文件 @
f1c32c32
...
...
@@ -115,6 +115,7 @@
/* Java runtime version access */
\
template(sun_misc_Version, "sun/misc/Version") \
template(java_runtime_name_name, "java_runtime_name") \
template(java_runtime_version_name, "java_runtime_version") \
\
/* class file format tags */
\
template(tag_source_file, "SourceFile") \
...
...
src/share/vm/prims/jvmti.xml
浏览文件 @
f1c32c32
<?xml version="1.0" encoding="ISO-8859-1"?>
<?xml-stylesheet type="text/xsl" href="jvmti.xsl"?>
<!--
Copyright (c) 2002, 201
1
, Oracle and/or its affiliates. All rights reserved.
Copyright (c) 2002, 201
2
, Oracle and/or its affiliates. All rights reserved.
DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
This code is free software; you can redistribute it and/or modify it
...
...
@@ -358,7 +358,7 @@
<specification
label=
"JVM(TM) Tool Interface"
majorversion=
"1"
minorversion=
"2"
microversion=
"
1
"
>
microversion=
"
2
"
>
<title
subtitle=
"Version"
>
<tm>
JVM
</tm>
Tool Interface
</title>
...
...
@@ -405,7 +405,7 @@
interfaces are more appropriate than
<jvmti/>
for many tools.
For more information on the Java Platform Debugger Architecture,
see the
<externallink
id=
"http://
java.sun.com/products/jpda/
"
>
Java
<externallink
id=
"http://
docs.oracle.com/javase/7/docs/technotes/guides/jpda/architecture.html
"
>
Java
Platform Debugger Architecture website
</externallink>
.
</intro>
...
...
@@ -693,7 +693,7 @@ Agent_OnUnload(JavaVM *vm)</example>
An agent creates a
<jvmti/>
environment
by passing a
<jvmti/>
version
as the interface ID to the JNI Invocation API function
<externallink
id=
"http://
java.sun.com/javase/6
/docs/technotes/guides/jni/spec/invocation.html#GetEnv"
><code>
GetEnv
</code></externallink>
.
<externallink
id=
"http://
docs.oracle.com/javase/7
/docs/technotes/guides/jni/spec/invocation.html#GetEnv"
><code>
GetEnv
</code></externallink>
.
See
<internallink
id=
"jvmtiEnvAccess"
>
Accessing
<jvmti/>
Functions
</internallink>
for more details on the creation and use of
<jvmti/>
environments.
...
...
@@ -797,7 +797,7 @@ Agent_OnUnload(JavaVM *vm)</example>
Modified UTF-8 differs
from standard UTF-8 in the representation of supplementary characters
and of the null character. See the
<externallink
id=
"http://
java.sun.com/javase/6
/docs/technotes/guides/jni/spec/types.html#wp16542"
>
<externallink
id=
"http://
docs.oracle.com/javase/7
/docs/technotes/guides/jni/spec/types.html#wp16542"
>
Modified UTF-8 Strings
</externallink>
section of the JNI specification for details.
</intro>
...
...
@@ -827,7 +827,7 @@ Agent_OnUnload(JavaVM *vm)</example>
by calling
<jvmti/>
functions.
Access to
<jvmti/>
functions is by use of an interface pointer
in the same manner as
<externallink
id=
"http://
java.sun.com/javase/6
/docs/technotes/guides/jni/spec/design.html"
>
Java
<externallink
id=
"http://
docs.oracle.com/javase/7
/docs/technotes/guides/jni/spec/design.html"
>
Java
Native Interface (JNI) functions
</externallink>
are accessed.
The
<jvmti/>
interface pointer is called the
<i>
environment pointer
</i>
.
...
...
@@ -919,7 +919,7 @@ jvmtiEnv *jvmti;
local references--these local references are created
during the
<jvmti/>
call.
Local references are a resource that must be managed (see the
<externallink
id=
"http://
java.sun.com/javase/6/docs/guide
/jni/spec/functions.html#wp18654"
>
JNI Documentation
</externallink>
).
<externallink
id=
"http://
docs.oracle.com/javase/7/docs/technotes/guides
/jni/spec/functions.html#wp18654"
>
JNI Documentation
</externallink>
).
When threads return from native code all local references
are freed. Note that some threads, including typical
agent threads, will never return from native code.
...
...
@@ -954,7 +954,7 @@ jvmtiEnv *jvmti;
<jvmti/>
function.
See the
<externallink
id=
"http://
java.sun.com/javase/6
/docs/technotes/guides/jni/spec/design.html#wp770"
id=
"http://
docs.oracle.com/javase/7
/docs/technotes/guides/jni/spec/design.html#wp770"
>
Java Exceptions
</externallink>
section of the JNI specification for information on handling exceptions.
</intro>
...
...
@@ -2024,7 +2024,7 @@ jvmtiEnv *jvmti;
<p/>
Upon execution of
<code>
proc
</code>
, the new thread will be attached to the
VM--see the JNI documentation on
<externallink
id=
"http://
java.sun.com/javase/6
/docs/technotes/guides/jni/spec/invocation.html#wp1060"
<externallink
id=
"http://
docs.oracle.com/javase/7
/docs/technotes/guides/jni/spec/invocation.html#wp1060"
>
Attaching to the VM
</externallink>
.
</description>
<origin>
jvmdiClone
</origin>
...
...
@@ -4010,7 +4010,7 @@ class C2 extends C1 implements I2 {
</inptr>
<description>
Details about the reference.
Set when the
<
paramlink
id=
"reference_kind"
/
>
is
Set when the
<
datalink
id=
"jvmtiHeapReferenceCallback.reference_kind"
>
reference_kind
</datalink
>
is
<datalink
id=
"JVMTI_HEAP_REFERENCE_FIELD"
/>
,
<datalink
id=
"JVMTI_HEAP_REFERENCE_STATIC_FIELD"
/>
,
<datalink
id=
"JVMTI_HEAP_REFERENCE_ARRAY_ELEMENT"
/>
,
...
...
@@ -4378,7 +4378,7 @@ class C2 extends C1 implements I2 {
do not control which objects are visited but they do control which
objects and primitive values are reported by the callbacks.
For example, if the only callback that was set is
<
paramlink
id=
"array_primitive_value_callback
"
/>
and
<code>
klass
</code>
<
fieldlink
id=
"array_primitive_value_callback"
struct=
"jvmtiHeapCallbacks
"
/>
and
<code>
klass
</code>
is set to the array of bytes class, then only arrays of byte will be
reported.
The table below summarizes this:
...
...
@@ -4414,7 +4414,7 @@ class C2 extends C1 implements I2 {
</tr>
<tr>
<th
align=
"left"
>
<fieldlink
id=
"
object_referenc
e_callback"
struct=
"jvmtiHeapCallbacks"
/>
<fieldlink
id=
"
array_primitive_valu
e_callback"
struct=
"jvmtiHeapCallbacks"
/>
in
<paramlink
id=
"callbacks"
/>
set
</th>
<td>
...
...
@@ -4570,7 +4570,7 @@ class C2 extends C1 implements I2 {
do not control which objects are visited but they do control which
objects and primitive values are reported by the callbacks.
For example, if the only callback that was set is
<
paramlink
id=
"array_primitive_value_callback
"
/>
and
<code>
klass
</code>
<
fieldlink
id=
"array_primitive_value_callback"
struct=
"jvmtiHeapCallbacks
"
/>
and
<code>
klass
</code>
is set to the array of bytes class, then only arrays of byte will be
reported. The table below summarizes this (contrast this with
<functionlink
id=
"FollowReferences"
/>
):
...
...
@@ -4606,7 +4606,7 @@ class C2 extends C1 implements I2 {
</tr>
<tr>
<th
align=
"left"
>
<fieldlink
id=
"
object
_callback"
struct=
"jvmtiHeapCallbacks"
/>
<fieldlink
id=
"
array_primitive_value
_callback"
struct=
"jvmtiHeapCallbacks"
/>
in
<paramlink
id=
"callbacks"
/>
set
</th>
<td>
...
...
@@ -6478,7 +6478,7 @@ class C2 extends C1 implements I2 {
<synopsis>
Get Class Signature
</synopsis>
<description>
For the class indicated by
<code>
klass
</code>
, return the
<externallink
id=
"http://
java.sun.com/javase/6/docs/guide
/jni/spec/types.html#wp16432"
>
JNI
<externallink
id=
"http://
docs.oracle.com/javase/7/docs/technotes/guides
/jni/spec/types.html#wp16432"
>
JNI
type signature
</externallink>
and the generic signature of the class.
For example,
<code>
java.util.List
</code>
is
<code>
"Ljava/util/List;"
</code>
...
...
@@ -8763,7 +8763,7 @@ method(wrapped_foo) -> nativeImplementation(foo)</example>
Provides the ability to intercept and resend
Java Native Interface (JNI) function calls
by manipulating the JNI function table.
See
<externallink
id=
"http://
java.sun.com/javase/6/docs/guide
/jni/spec/functions.html"
>
JNI
See
<externallink
id=
"http://
docs.oracle.com/javase/7/docs/technotes/guides
/jni/spec/functions.html"
>
JNI
Functions
</externallink>
in the
<i>
Java Native Interface Specification
</i>
.
<p/>
The following example illustrates intercepting the
...
...
@@ -10446,7 +10446,7 @@ myInit() {
for a class. The segment is typically a directory or JAR file.
<p/>
In the live phase the
<paramlink
id=
"segment"
/>
may be used to specify any platform-dependent
path to a
<externallink
id=
"http://
java.sun.com/javase/6/docs/guide
/jar/jar.html"
>
path to a
<externallink
id=
"http://
docs.oracle.com/javase/7/docs/technotes/guides
/jar/jar.html"
>
JAR file
</externallink>
. The agent should take care that the JAR file does not
contain any classes or resources other than those to be defined by the bootstrap
class loader for the purposes of instrumentation.
...
...
@@ -10494,7 +10494,7 @@ myInit() {
for a class. The segment is typically a directory or JAR file.
<p/>
In the live phase the
<paramlink
id=
"segment"
/>
is a platform-dependent path to a
<externallink
id=
"http://
java.sun.com/javase/6/docs/guide
/jar/jar.html"
>
JAR file
</externallink>
to be
id=
"http://
docs.oracle.com/javase/7/docs/technotes/guides
/jar/jar.html"
>
JAR file
</externallink>
to be
searched after the system class loader unsuccessfully searches for a class. The agent should
take care that the JAR file does not contain any classes or resources other than those to be
defined by the system class loader for the purposes of instrumentation.
...
...
@@ -13128,6 +13128,12 @@ myInit() {
Unsigned 8 bits.
</description>
</basetype>
<basetype
id=
"jchar"
>
<description>
Holds a Java programming language
<code>
char
</code>
.
Unsigned 16 bits.
</description>
</basetype>
<basetype
id=
"jint"
>
<description>
Holds a Java programming language
<code>
int
</code>
.
...
...
@@ -13285,7 +13291,7 @@ typedef void (JNICALL *jvmtiEventVMInit)
<description>
Typedef for the JNI function table
<code>
JNINativeInterface
</code>
defined in the
<externallink
id=
"http://
java.sun.com/javase/6/docs/guide
/jni/spec/functions.html#wp23720"
>
JNI Specification
</externallink>
.
<externallink
id=
"http://
docs.oracle.com/javase/7/docs/technotes/guides
/jni/spec/functions.html#wp23720"
>
JNI Specification
</externallink>
.
The JNI reference implementation defines this with an underscore.
</description>
</basetype>
...
...
@@ -14252,6 +14258,9 @@ typedef void (JNICALL *jvmtiEventVMInit)
<change
date=
"6 August 2006"
version=
"1.1.102"
>
Add ResourceExhaustedEvent.
</change>
<change
date=
"11 October 2012"
version=
"1.2.2"
>
Fixed the "HTTP" and "Missing Anchor" errors reported by the LinkCheck tool.
</change>
</changehistory>
</specification>
...
...
src/share/vm/prims/jvmtiEnvBase.hpp
浏览文件 @
f1c32c32
...
...
@@ -69,7 +69,7 @@ class JvmtiEnvBase : public CHeapObj<mtInternal> {
enum
{
JDK15_JVMTI_VERSION
=
JVMTI_VERSION_1_0
+
33
,
/* version: 1.0.33 */
JDK16_JVMTI_VERSION
=
JVMTI_VERSION_1_1
+
102
,
/* version: 1.1.102 */
JDK17_JVMTI_VERSION
=
JVMTI_VERSION_1_2
+
1
/* version: 1.2.1
*/
JDK17_JVMTI_VERSION
=
JVMTI_VERSION_1_2
+
2
/* version: 1.2.2
*/
};
static
jvmtiPhase
get_phase
()
{
return
_phase
;
}
...
...
src/share/vm/runtime/arguments.cpp
浏览文件 @
f1c32c32
...
...
@@ -257,6 +257,7 @@ static ObsoleteFlag obsolete_jvm_flags[] = {
{
"MaxPermHeapExpansion"
,
JDK_Version
::
jdk
(
8
),
JDK_Version
::
jdk
(
9
)
},
{
"CMSRevisitStackSize"
,
JDK_Version
::
jdk
(
8
),
JDK_Version
::
jdk
(
9
)
},
{
"PrintRevisitStats"
,
JDK_Version
::
jdk
(
8
),
JDK_Version
::
jdk
(
9
)
},
{
"UseVectoredExceptions"
,
JDK_Version
::
jdk
(
8
),
JDK_Version
::
jdk
(
9
)
},
#ifdef PRODUCT
{
"DesiredMethodLimit"
,
JDK_Version
::
jdk_update
(
7
,
2
),
JDK_Version
::
jdk
(
8
)
},
...
...
@@ -2568,7 +2569,9 @@ jint Arguments::parse_each_vm_init_arg(const JavaVMInitArgs* args,
FLAG_SET_CMDLINE
(
uintx
,
MaxNewSize
,
NewSize
);
}
#ifndef _ALLBSD_SOURCE // UseLargePages is not yet supported on BSD.
FLAG_SET_DEFAULT
(
UseLargePages
,
true
);
#endif
// Increase some data structure sizes for efficiency
FLAG_SET_CMDLINE
(
uintx
,
BaseFootPrintEstimate
,
MaxHeapSize
);
...
...
@@ -3133,6 +3136,10 @@ jint Arguments::parse(const JavaVMInitArgs* args) {
UNSUPPORTED_OPTION
(
UseG1GC
,
"G1 GC"
);
#endif
#ifdef _ALLBSD_SOURCE // UseLargePages is not yet supported on BSD.
UNSUPPORTED_OPTION
(
UseLargePages
,
"-XX:+UseLargePages"
);
#endif
#if !INCLUDE_ALTERNATE_GCS
if
(
UseParallelGC
)
{
warning
(
"Parallel GC is not supported in this VM. Using Serial GC."
);
...
...
src/share/vm/runtime/globals.hpp
浏览文件 @
f1c32c32
...
...
@@ -857,9 +857,6 @@ class CommandLineFlags {
develop(bool, BreakAtWarning, false, \
"Execute breakpoint upon encountering VM warning") \
\
product_pd(bool, UseVectoredExceptions, \
"Temp Flag - Use Vectored Exceptions rather than SEH (Windows Only)") \
\
develop(bool, TraceVMOperation, false, \
"Trace vm operations") \
\
...
...
src/share/vm/runtime/java.cpp
浏览文件 @
f1c32c32
...
...
@@ -688,6 +688,7 @@ void vm_shutdown_during_initialization(const char* error, const char* message) {
JDK_Version
JDK_Version
::
_current
;
const
char
*
JDK_Version
::
_runtime_name
;
const
char
*
JDK_Version
::
_runtime_version
;
void
JDK_Version
::
initialize
()
{
jdk_version_info
info
;
...
...
src/share/vm/runtime/java.hpp
浏览文件 @
f1c32c32
...
...
@@ -75,6 +75,7 @@ class JDK_Version VALUE_OBJ_CLASS_SPEC {
static
JDK_Version
_current
;
static
const
char
*
_runtime_name
;
static
const
char
*
_runtime_version
;
// In this class, we promote the minor version of release to be the
// major version for releases >= 5 in anticipation of the JDK doing the
...
...
@@ -189,6 +190,13 @@ class JDK_Version VALUE_OBJ_CLASS_SPEC {
_runtime_name
=
name
;
}
static
const
char
*
runtime_version
()
{
return
_runtime_version
;
}
static
void
set_runtime_version
(
const
char
*
version
)
{
_runtime_version
=
version
;
}
// Convenience methods for queries on the current major/minor version
static
bool
is_jdk12x_version
()
{
return
current
().
compare_major
(
2
)
==
0
;
...
...
src/share/vm/runtime/thread.cpp
浏览文件 @
f1c32c32
...
...
@@ -1042,6 +1042,7 @@ static void call_initializeSystemClass(TRAPS) {
}
char
java_runtime_name
[
128
]
=
""
;
char
java_runtime_version
[
128
]
=
""
;
// extract the JRE name from sun.misc.Version.java_runtime_name
static
const
char
*
get_java_runtime_name
(
TRAPS
)
{
...
...
@@ -1064,6 +1065,27 @@ static const char* get_java_runtime_name(TRAPS) {
}
}
// extract the JRE version from sun.misc.Version.java_runtime_version
static
const
char
*
get_java_runtime_version
(
TRAPS
)
{
Klass
*
k
=
SystemDictionary
::
find
(
vmSymbols
::
sun_misc_Version
(),
Handle
(),
Handle
(),
CHECK_AND_CLEAR_NULL
);
fieldDescriptor
fd
;
bool
found
=
k
!=
NULL
&&
InstanceKlass
::
cast
(
k
)
->
find_local_field
(
vmSymbols
::
java_runtime_version_name
(),
vmSymbols
::
string_signature
(),
&
fd
);
if
(
found
)
{
oop
name_oop
=
k
->
java_mirror
()
->
obj_field
(
fd
.
offset
());
if
(
name_oop
==
NULL
)
return
NULL
;
const
char
*
name
=
java_lang_String
::
as_utf8_string
(
name_oop
,
java_runtime_version
,
sizeof
(
java_runtime_version
));
return
name
;
}
else
{
return
NULL
;
}
}
// General purpose hook into Java code, run once when the VM is initialized.
// The Java library method itself may be changed independently from the VM.
static
void
call_postVMInitHook
(
TRAPS
)
{
...
...
@@ -3473,6 +3495,7 @@ jint Threads::create_vm(JavaVMInitArgs* args, bool* canTryAgain) {
// get the Java runtime name after java.lang.System is initialized
JDK_Version
::
set_runtime_name
(
get_java_runtime_name
(
THREAD
));
JDK_Version
::
set_runtime_version
(
get_java_runtime_version
(
THREAD
));
}
else
{
warning
(
"java.lang.System not initialized"
);
}
...
...
src/share/vm/utilities/vmError.cpp
浏览文件 @
f1c32c32
...
...
@@ -453,7 +453,9 @@ void VMError::report(outputStream* st) {
JDK_Version
::
current
().
to_string
(
buf
,
sizeof
(
buf
));
const
char
*
runtime_name
=
JDK_Version
::
runtime_name
()
!=
NULL
?
JDK_Version
::
runtime_name
()
:
""
;
st
->
print_cr
(
"# JRE version: %s (%s)"
,
runtime_name
,
buf
);
const
char
*
runtime_version
=
JDK_Version
::
runtime_version
()
!=
NULL
?
JDK_Version
::
runtime_version
()
:
""
;
st
->
print_cr
(
"# JRE version: %s (%s) (build %s)"
,
runtime_name
,
buf
,
runtime_version
);
st
->
print_cr
(
"# Java VM: %s (%s %s %s %s)"
,
Abstract_VM_Version
::
vm_name
(),
Abstract_VM_Version
::
vm_release
(),
...
...
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