dwarf2_64.h

来自「linux 内核源代码」· C头文件 代码 · 共 58 行

#ifndef _DWARF2_H
#define _DWARF2_H 1


#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

/* use assembler line comment character # to ignore the arguments. */
#define CFI_STARTPROC	#
#define CFI_ENDPROC	#
#define CFI_DEF_CFA	#
#define CFI_DEF_CFA_REGISTER	#
#define CFI_DEF_CFA_OFFSET	#
#define CFI_ADJUST_CFA_OFFSET	#
#define CFI_OFFSET	#
#define CFI_REL_OFFSET	#
#define CFI_REGISTER	#
#define CFI_RESTORE	#
#define CFI_REMEMBER_STATE	#
#define CFI_RESTORE_STATE	#
#define CFI_UNDEFINED	#
#define CFI_SIGNAL_FRAME	#

#endif

#endif