diff options
Diffstat (limited to 'gas/config')
| -rw-r--r-- | gas/config/tc-arc.c | 22 | ||||
| -rw-r--r-- | gas/config/tc-arc.h | 9 |
2 files changed, 31 insertions, 0 deletions
diff --git a/gas/config/tc-arc.c b/gas/config/tc-arc.c index f2d3a0e..bfe9ae1 100644 --- a/gas/config/tc-arc.c +++ b/gas/config/tc-arc.c @@ -24,6 +24,7 @@ #include "subsegs.h" #include "struc-symbol.h" #include "dwarf2dbg.h" +#include "dw2gencfi.h" #include "safe-ctype.h" #include "opcode/arc.h" @@ -3675,3 +3676,24 @@ arc_pcrel_adjust (fragS *fragP) return 0; } + +/* Initialize the DWARF-2 unwind information for this procedure. */ + +void +tc_arc_frame_initial_instructions (void) +{ + /* Stack pointer is register 28. */ + cfi_add_CFA_def_cfa_register (28); +} + +int +tc_arc_regname_to_dw2regnum (char *regname) +{ + struct symbol *sym; + + sym = hash_find (arc_reg_hash, regname); + if (sym) + return S_GET_VALUE (sym); + + return -1; +} diff --git a/gas/config/tc-arc.h b/gas/config/tc-arc.h index acd007b..95efd77 100644 --- a/gas/config/tc-arc.h +++ b/gas/config/tc-arc.h @@ -191,12 +191,21 @@ extern void arc_handle_align (fragS *); extern void arc_cons_fix_new (fragS *, int, int, expressionS *, bfd_reloc_code_real_type); extern void arc_frob_label (symbolS *); +extern void tc_arc_frame_initial_instructions (void); +extern int tc_arc_regname_to_dw2regnum (char *regname); /* The blink register is r31. */ #define DWARF2_DEFAULT_RETURN_COLUMN 31 /* Registers are generally saved at negative offsets to the CFA. */ #define DWARF2_CIE_DATA_ALIGNMENT (-4) +/* We want .cfi_* pseudo-ops for generating unwind info. */ +#define TARGET_USE_CFIPOP 1 + +/* CFI hooks. */ +#define tc_cfi_frame_initial_instructions tc_arc_frame_initial_instructions +#define tc_regname_to_dw2regnum tc_arc_regname_to_dw2regnum + /* Define the NOPs. */ #define NOP_OPCODE_S 0x000078E0 #define NOP_OPCODE_L 0x264A7000 /* mov 0,0. */ |