diff options
| author | Jakub Jelinek <jakub@redhat.com> | 2004-06-28 22:27:23 +0000 |
|---|---|---|
| committer | Jakub Jelinek <jakub@redhat.com> | 2004-06-28 22:27:23 +0000 |
| commit | 36526d7b464206da87ced2f70651f183953ccc59 (patch) | |
| tree | c027fc9b40c6b45652f09ac5cc0580bc91874c29 | |
| parent | 308663700926d07c3bcb5eb41a8a6299d74da25e (diff) | |
* config/ia64/unwind-ia64.c (uw_frame_state_for): Don't assume a
leaf function without unwind info at RP 0.
git-svn-id: https://gcc.gnu.org/svn/gcc/branches/gcc-3_3-rhl-branch@83826 138bc75d-0d04-0410-961f-82ee72b054a4
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/config/ia64/unwind-ia64.c | 6 |
2 files changed, 9 insertions, 2 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 93eb5e59849..a9ed335c991 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2004-06-08 Jakub Jelinek <jakub@redhat.com> + + * config/ia64/unwind-ia64.c (uw_frame_state_for): Don't assume a + leaf function without unwind info at RP 0. + 2004-05-01 Jakub Jelinek <jakub@redhat.com> * config/sparc/linux64.h (TARGET_DEFAULT): Make 64-bit by default diff --git a/gcc/config/ia64/unwind-ia64.c b/gcc/config/ia64/unwind-ia64.c index b8dee7ae0d6..4307cbcb67c 100644 --- a/gcc/config/ia64/unwind-ia64.c +++ b/gcc/config/ia64/unwind-ia64.c @@ -1781,8 +1781,10 @@ uw_frame_state_for (struct _Unwind_Context *context, _Unwind_FrameState *fs) an unwind table entry. This can only happen in the frame after unwinding through a signal - handler. Avoid infinite looping by requiring that B0 != RP. */ - if (context->br_loc[0] && *context->br_loc[0] != context->rp) + handler. Avoid infinite looping by requiring that B0 != RP. + RP == 0 terminates the chain. */ + if (context->br_loc[0] && *context->br_loc[0] != context->rp + && context->rp != 0) { fs->curr.reg[UNW_REG_RP].where = UNW_WHERE_BR; fs->curr.reg[UNW_REG_RP].when = -1; |