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| author | Mark Kettenis <kettenis@gnu.org> | 2004-01-18 21:22:50 +0000 |
|---|---|---|
| committer | Mark Kettenis <kettenis@gnu.org> | 2004-01-18 21:22:50 +0000 |
| commit | a85044923423e4daa0b55d1f8a0a4a24d0a28f2b (patch) | |
| tree | 6dcbdfe0df4683aba786cef9bd666a5d0d08a1e8 /gdb | |
| parent | 7049b4b8ac9039dc4f09e312e68fedc8227caac8 (diff) | |
| download | gdb-a85044923423e4daa0b55d1f8a0a4a24d0a28f2b.zip gdb-a85044923423e4daa0b55d1f8a0a4a24d0a28f2b.tar.gz gdb-a85044923423e4daa0b55d1f8a0a4a24d0a28f2b.tar.bz2 | |
* dwarf2-frame.c (execute_cfa_program): Move DWA_CFA_nop before
DW_CFA_def_cfa_exporession. Add support for
DW_CFA_offset_extendend_sf, DW_CFA_def_cfa_sf and
DW_CFA_def_cfa_offset_sf. This should fix PR backtrace/1391.
Diffstat (limited to 'gdb')
| -rw-r--r-- | gdb/ChangeLog | 7 | ||||
| -rw-r--r-- | gdb/dwarf2-frame.c | 24 |
2 files changed, 30 insertions, 1 deletions
diff --git a/gdb/ChangeLog b/gdb/ChangeLog index 1e06e3e..7772813 100644 --- a/gdb/ChangeLog +++ b/gdb/ChangeLog @@ -1,3 +1,10 @@ +2004-01-18 Mark Kettenis <kettenis@gnu.org> + + * dwarf2-frame.c (execute_cfa_program): Move DWA_CFA_nop before + DW_CFA_def_cfa_exporession. Add support for + DW_CFA_offset_extendend_sf, DW_CFA_def_cfa_sf and + DW_CFA_def_cfa_offset_sf. This should fix PR backtrace/1391. + 2004-01-18 Andrew Cagney <cagney@redhat.com> * ocd.c: Update copyright. diff --git a/gdb/dwarf2-frame.c b/gdb/dwarf2-frame.c index 84bc1c2..2c655d9 100644 --- a/gdb/dwarf2-frame.c +++ b/gdb/dwarf2-frame.c @@ -432,6 +432,9 @@ execute_cfa_program (unsigned char *insn_ptr, unsigned char *insn_end, /* cfa_how deliberately not set. */ break; + case DW_CFA_nop: + break; + case DW_CFA_def_cfa_expression: insn_ptr = read_uleb128 (insn_ptr, insn_end, &fs->cfa_exp_len); fs->cfa_exp = insn_ptr; @@ -449,7 +452,26 @@ execute_cfa_program (unsigned char *insn_ptr, unsigned char *insn_end, insn_ptr += utmp; break; - case DW_CFA_nop: + case DW_CFA_offset_extended_sf: + insn_ptr = read_uleb128 (insn_ptr, insn_end, ®); + insn_ptr = read_sleb128 (insn_ptr, insn_end, &offset); + offset += fs->data_align; + dwarf2_frame_state_alloc_regs (&fs->regs, reg + 1); + fs->regs.reg[reg].how = REG_SAVED_OFFSET; + fs->regs.reg[reg].loc.offset = offset; + break; + + case DW_CFA_def_cfa_sf: + insn_ptr = read_uleb128 (insn_ptr, insn_end, &fs->cfa_reg); + insn_ptr = read_sleb128 (insn_ptr, insn_end, &offset); + fs->cfa_offset = offset * fs->data_align; + fs->cfa_how = CFA_REG_OFFSET; + break; + + case DW_CFA_def_cfa_offset_sf: + insn_ptr = read_sleb128 (insn_ptr, insn_end, &offset); + fs->cfa_offset = offset * fs->data_align; + /* cfa_how deliberately not set. */ break; case DW_CFA_GNU_args_size: |