diff options
Diffstat (limited to 'gnu/usr.bin/binutils/gdb')
| -rw-r--r-- | gnu/usr.bin/binutils/gdb/sparc-tdep.c | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/gnu/usr.bin/binutils/gdb/sparc-tdep.c b/gnu/usr.bin/binutils/gdb/sparc-tdep.c index 629c0ff4568..65553dc939d 100644 --- a/gnu/usr.bin/binutils/gdb/sparc-tdep.c +++ b/gnu/usr.bin/binutils/gdb/sparc-tdep.c @@ -217,6 +217,9 @@ sparc_init_extra_frame_info (fromleaf, fi) than error(). */ get_saved_register (buf, 0, 0, fi, FP_REGNUM, 0); fi->frame = extract_address (buf, REGISTER_RAW_SIZE (FP_REGNUM)); + + if (GDB_TARGET_IS_SPARC64 && (fi->frame & 1)) + fi->frame += 2047; } /* Decide whether this is a function with a ``flat register window'' @@ -252,6 +255,9 @@ sparc_init_extra_frame_info (fromleaf, fi) get_saved_register (buf, 0, 0, fi, I7_REGNUM, 0); fi->frame = extract_address (buf, REGISTER_RAW_SIZE (I7_REGNUM)); + if (GDB_TARGET_IS_SPARC64 && (fi->frame & 1)) + fi->frame += 2047; + /* Record where the fp got saved. */ fi->fp_addr = fi->frame + fi->sp_offset + X_SIMM13 (insn); @@ -1044,6 +1050,10 @@ sparc_pop_frame () locals from the registers array, so we need to muck with the registers array. */ sp = fsr.regs[SP_REGNUM]; + + if (GDB_TARGET_IS_SPARC64 && (sp & 1)) + sp += 2047; + read_memory (sp, reg_temp, SPARC_INTREG_SIZE * 16); /* Restore the out registers. @@ -1571,3 +1581,47 @@ _initialize_sparc_tdep () tm_print_insn = print_insn_sparc; tm_print_insn_info.mach = TM_PRINT_INSN_MACH; /* Selects sparc/sparclite */ } + +/* Compensate for stack bias. Note that we currently don't handle + mixed 32/64 bit code. */ + +CORE_ADDR +sparc64_read_sp (void) +{ + CORE_ADDR sp = read_register (SP_REGNUM); + + if (sp & 1) + sp += 2047; + return sp; +} + +CORE_ADDR +sparc64_read_fp (void) +{ + CORE_ADDR fp = read_register (FP_REGNUM); + + if (fp & 1) + fp += 2047; + return fp; +} + +void +sparc64_write_sp (CORE_ADDR val) +{ + CORE_ADDR oldsp = read_register (SP_REGNUM); + if (oldsp & 1) + write_register (SP_REGNUM, val - 2047); + else + write_register (SP_REGNUM, val); +} + +void +sparc64_write_fp (CORE_ADDR val) +{ + CORE_ADDR oldfp = read_register (FP_REGNUM); + if (oldfp & 1) + write_register (FP_REGNUM, val - 2047); + else + write_register (FP_REGNUM, val); +} + |