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| author | Jakub Jelinek <jakub@redhat.com> | 2004-06-10 10:23:00 +0200 |
|---|---|---|
| committer | Jakub Jelinek <jakub@gcc.gnu.org> | 2004-06-10 10:23:00 +0200 |
| commit | 897105a14e2a6d66f472b57e98793798e459b5a9 (patch) | |
| tree | c7cc2d712294071551458cb28290573a83821d93 /gcc/config/ia64 | |
| parent | 37c849e40ef7215ae2f78862a483781811b69bc7 (diff) | |
| download | gcc-897105a14e2a6d66f472b57e98793798e459b5a9.zip gcc-897105a14e2a6d66f472b57e98793798e459b5a9.tar.gz gcc-897105a14e2a6d66f472b57e98793798e459b5a9.tar.bz2 | |
unwind-ia64.c (uw_frame_state_for): Don't assume a leaf function without unwind info at RP 0.
* config/ia64/unwind-ia64.c (uw_frame_state_for): Don't assume a
leaf function without unwind info at RP 0.
From-SVN: r82906
Diffstat (limited to 'gcc/config/ia64')
| -rw-r--r-- | gcc/config/ia64/unwind-ia64.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/gcc/config/ia64/unwind-ia64.c b/gcc/config/ia64/unwind-ia64.c index b4fe9ac..1c88b72 100644 --- a/gcc/config/ia64/unwind-ia64.c +++ b/gcc/config/ia64/unwind-ia64.c @@ -1783,8 +1783,10 @@ 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; |