dwarf2.h

#ifndef _DWARF2_H
#define _DWARF2_H

#ifndef __ASSEMBLY__
#warning "asm/dwarf2.h should be only included in pure assembly files"
#endif

/*
   Macros for dwarf2 CFI unwind table entries.
   See "as.info" for details on these pseudo ops. Unfortunately
   they are only supported in very new binutils, so define them
   away for older version.
 */

#ifdef CONFIG_AS_CFI

#define CFI_STARTPROC .cfi_startproc
#define CFI_ENDPROC .cfi_endproc
#define CFI_DEF_CFA .cfi_def_cfa
#define CFI_DEF_CFA_REGISTER .cfi_def_cfa_register
#define CFI_DEF_CFA_OFFSET .cfi_def_cfa_offset
#define CFI_ADJUST_CFA_OFFSET .cfi_adjust_cfa_offset
#define CFI_OFFSET .cfi_offset
#define CFI_REL_OFFSET .cfi_rel_offset
#define CFI_REGISTER .cfi_register
#define CFI_RESTORE .cfi_restore
#define CFI_REMEMBER_STATE .cfi_remember_state
#define CFI_RESTORE_STATE .cfi_restore_state
#define CFI_UNDEFINED .cfi_undefined

#ifdef CONFIG_AS_CFI_SIGNAL_FRAME
#define CFI_SIGNAL_FRAME .cfi_signal_frame
#else
#define CFI_SIGNAL_FRAME
#endif

#else

/* Due to the structure of pre-exisiting code, don't use assembler line
   comment character # to ignore the arguments. Instead, use a dummy macro. */
.macro __cfi_ignore a=0, b=0, c=0, d=0
.endm

#define CFI_STARTPROC	__cfi_ignore
#define CFI_ENDPROC	__cfi_ignore
#define CFI_DEF_CFA	__cfi_ignore
#define CFI_DEF_CFA_REGISTER	__cfi_ignore
#define CFI_DEF_CFA_OFFSET	__cfi_ignore
#define CFI_ADJUST_CFA_OFFSET	__cfi_ignore
#define CFI_OFFSET	__cfi_ignore
#define CFI_REL_OFFSET	__cfi_ignore
#define CFI_REGISTER	__cfi_ignore
#define CFI_RESTORE	__cfi_ignore
#define CFI_REMEMBER_STATE __cfi_ignore
#define CFI_RESTORE_STATE __cfi_ignore
#define CFI_UNDEFINED __cfi_ignore
#define CFI_SIGNAL_FRAME __cfi_ignore

#endif

#endif