diff options
Diffstat (limited to 'include/asm-x86_64/dwarf2.h')
| -rw-r--r-- | include/asm-x86_64/dwarf2.h | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/include/asm-x86_64/dwarf2.h b/include/asm-x86_64/dwarf2.h new file mode 100644 index 000000000000..afd4212e860b --- /dev/null +++ b/include/asm-x86_64/dwarf2.h @@ -0,0 +1,42 @@ +#ifndef _DWARF2_H +#define _DWARF2_H 1 + +#include <linux/config.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_DEBUG_INFO + +#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 + +#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 # + +#endif + +#endif |