| Jan Beulich | fe7cacc | 2006-06-26 13:57:44 +0200 | [diff] [blame] | 1 | #ifndef _DWARF2_H |
| 2 | #define _DWARF2_H |
| 3 | |
| 4 | #include <linux/config.h> |
| 5 | |
| 6 | #ifndef __ASSEMBLY__ |
| 7 | #warning "asm/dwarf2.h should be only included in pure assembly files" |
| 8 | #endif |
| 9 | |
| 10 | /* |
| 11 | Macros for dwarf2 CFI unwind table entries. |
| 12 | See "as.info" for details on these pseudo ops. Unfortunately |
| 13 | they are only supported in very new binutils, so define them |
| 14 | away for older version. |
| 15 | */ |
| 16 | |
| 17 | #ifdef CONFIG_UNWIND_INFO |
| 18 | |
| 19 | #define CFI_STARTPROC .cfi_startproc |
| 20 | #define CFI_ENDPROC .cfi_endproc |
| 21 | #define CFI_DEF_CFA .cfi_def_cfa |
| 22 | #define CFI_DEF_CFA_REGISTER .cfi_def_cfa_register |
| 23 | #define CFI_DEF_CFA_OFFSET .cfi_def_cfa_offset |
| 24 | #define CFI_ADJUST_CFA_OFFSET .cfi_adjust_cfa_offset |
| 25 | #define CFI_OFFSET .cfi_offset |
| 26 | #define CFI_REL_OFFSET .cfi_rel_offset |
| 27 | #define CFI_REGISTER .cfi_register |
| 28 | #define CFI_RESTORE .cfi_restore |
| 29 | #define CFI_REMEMBER_STATE .cfi_remember_state |
| 30 | #define CFI_RESTORE_STATE .cfi_restore_state |
| 31 | |
| 32 | #else |
| 33 | |
| 34 | /* Due to the structure of pre-exisiting code, don't use assembler line |
| 35 | comment character # to ignore the arguments. Instead, use a dummy macro. */ |
| 36 | .macro ignore a=0, b=0, c=0, d=0 |
| 37 | .endm |
| 38 | |
| 39 | #define CFI_STARTPROC ignore |
| 40 | #define CFI_ENDPROC ignore |
| 41 | #define CFI_DEF_CFA ignore |
| 42 | #define CFI_DEF_CFA_REGISTER ignore |
| 43 | #define CFI_DEF_CFA_OFFSET ignore |
| 44 | #define CFI_ADJUST_CFA_OFFSET ignore |
| 45 | #define CFI_OFFSET ignore |
| 46 | #define CFI_REL_OFFSET ignore |
| 47 | #define CFI_REGISTER ignore |
| 48 | #define CFI_RESTORE ignore |
| 49 | #define CFI_REMEMBER_STATE ignore |
| 50 | #define CFI_RESTORE_STATE ignore |
| 51 | |
| 52 | #endif |
| 53 | |
| 54 | #endif |