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author | Mark Kettenis <kettenis@gnu.org> | 2004-05-01 09:52:47 +0000 |
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committer | Mark Kettenis <kettenis@gnu.org> | 2004-05-01 09:52:47 +0000 |
commit | 35f5232c3899182fabeaa919db80c91762dc5b7f (patch) | |
tree | 099827276c24d0a9c84beb5f99780af45a2ce4b8 /gdb/dwarf2-frame.c | |
parent | 7e06a7eff981ca196c2618d70c38736f8326da40 (diff) | |
download | gdb-35f5232c3899182fabeaa919db80c91762dc5b7f.tar.gz |
* dwarf2-frame.c (execute_cfa_program): Complain if we encounter a
DW_CFA_restore state without a matching DW_CFA_remember_state
instead of aborting. Fixes PR backtrace/1589.
Diffstat (limited to 'gdb/dwarf2-frame.c')
-rw-r--r-- | gdb/dwarf2-frame.c | 16 |
1 files changed, 11 insertions, 5 deletions
diff --git a/gdb/dwarf2-frame.c b/gdb/dwarf2-frame.c index 13c836e7dc4..fafc8fc6574 100644 --- a/gdb/dwarf2-frame.c +++ b/gdb/dwarf2-frame.c @@ -372,11 +372,17 @@ execute_cfa_program (unsigned char *insn_ptr, unsigned char *insn_end, { struct dwarf2_frame_state_reg_info *old_rs = fs->regs.prev; - gdb_assert (old_rs); - - xfree (fs->regs.reg); - fs->regs = *old_rs; - xfree (old_rs); + if (old_rs == NULL) + { + complaint (&symfile_complaints, "\ +bad CFI data; mismatched DW_CFA_restore_state at 0x%s", paddr (fs->pc)); + } + else + { + xfree (fs->regs.reg); + fs->regs = *old_rs; + xfree (old_rs); + } } break; |