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| author | Ulrich Weigand <uweigand@de.ibm.com> | 2011-03-31 16:16:57 +0000 |
|---|---|---|
| committer | Ulrich Weigand <uweigand@de.ibm.com> | 2011-03-31 16:16:57 +0000 |
| commit | fcf250e2bae3e6053af11b2e42bd59dcd3762ab3 (patch) | |
| tree | c57991fba97a9a3385a949b0fb578caeba592aed /gdb | |
| parent | ee6436e3c7c6a18236ac2fb461755c2ad71df2cc (diff) | |
| download | gdb-fcf250e2bae3e6053af11b2e42bd59dcd3762ab3.zip gdb-fcf250e2bae3e6053af11b2e42bd59dcd3762ab3.tar.gz gdb-fcf250e2bae3e6053af11b2e42bd59dcd3762ab3.tar.bz2 | |
* i386-tdep.c (i386_frame_prev_register): Unwind SP from memory
if neither saved value nor register available (e.g. signal frame).
Diffstat (limited to 'gdb')
| -rw-r--r-- | gdb/ChangeLog | 5 | ||||
| -rw-r--r-- | gdb/i386-tdep.c | 5 |
2 files changed, 8 insertions, 2 deletions
diff --git a/gdb/ChangeLog b/gdb/ChangeLog index f04ed01..69c44a7 100644 --- a/gdb/ChangeLog +++ b/gdb/ChangeLog @@ -1,3 +1,8 @@ +2011-03-31 Ulrich Weigand <ulrich.weigand@linaro.org> + + * i386-tdep.c (i386_frame_prev_register): Unwind SP from memory + if neither saved value nor register available (e.g. signal frame). + 2011-03-31 Thiago Jung Bauermann <bauerman@br.ibm.com> * macroexp.c (expand): Avoid uninitialized variable diff --git a/gdb/i386-tdep.c b/gdb/i386-tdep.c index c7ad3a6..5f4089b 100644 --- a/gdb/i386-tdep.c +++ b/gdb/i386-tdep.c @@ -1798,12 +1798,13 @@ i386_frame_prev_register (struct frame_info *this_frame, void **this_cache, if (regnum == I386_EIP_REGNUM && cache->pc_in_eax) return frame_unwind_got_register (this_frame, regnum, I386_EAX_REGNUM); - if (regnum == I386_ESP_REGNUM) + if (regnum == I386_ESP_REGNUM + && (cache->saved_sp != 0 || cache->saved_sp_reg != -1)) { /* If the SP has been saved, but we don't know where, then this means that SAVED_SP_REG register was found unavailable back when we built the cache. */ - if (cache->saved_sp == 0 && cache->saved_sp_reg != -1) + if (cache->saved_sp == 0) return frame_unwind_got_register (this_frame, regnum, cache->saved_sp_reg); else |