diff options
Diffstat (limited to 'gas/config/tc-aarch64.h')
| -rw-r--r-- | gas/config/tc-aarch64.h | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/gas/config/tc-aarch64.h b/gas/config/tc-aarch64.h index 1b8bada..97147bd 100644 --- a/gas/config/tc-aarch64.h +++ b/gas/config/tc-aarch64.h @@ -263,6 +263,26 @@ extern void aarch64_after_parse_args (void); #ifdef OBJ_ELF +#define TARGET_USE_GINSN 1 +/* Allow GAS to synthesize DWARF CFI for hand-written asm. + PS: TARGET_USE_CFIPOP is a pre-condition. */ +#define TARGET_USE_SCFI 1 +/* Identify the maximum DWARF register number of all the registers being + tracked for SCFI. This is the last DWARF register number of the set + of SP, FP, and all callee-saved registers. For Aarch64, this means 31. */ +# define SCFI_MAX_REG_ID 31 +/* Identify the DWARF register number of the frame-pointer register. */ +# define REG_FP 29 +/* Identify the DWARF register number of the link register. */ +# define REG_LR 30 +/* Identify the DWARF register number of the stack-pointer register. */ +# define REG_SP 31 + +#define SCFI_INIT_CFA_OFFSET 0 + +#define SCFI_CALLEE_SAVED_REG_P(dw2reg) aarch64_scfi_callee_saved_p (dw2reg) +extern bool aarch64_scfi_callee_saved_p (uint32_t dw2reg_num); + /* Whether SFrame stack trace info is supported. */ extern bool aarch64_support_sframe_p (void); #define support_sframe_p aarch64_support_sframe_p |