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| author | Richard Henderson <rth@redhat.com> | 2003-06-18 15:53:06 -0700 |
|---|---|---|
| committer | Richard Henderson <rth@gcc.gnu.org> | 2003-06-18 15:53:06 -0700 |
| commit | 61193e7bb1d4a3922456b597244517f727ffbb8c (patch) | |
| tree | 36973099df56b9dc18ee3e916ade49d51b6947c0 | |
| parent | a2f8629a69f92173f290f5c8b1fac802f418c628 (diff) | |
| download | gcc-61193e7bb1d4a3922456b597244517f727ffbb8c.zip gcc-61193e7bb1d4a3922456b597244517f727ffbb8c.tar.gz gcc-61193e7bb1d4a3922456b597244517f727ffbb8c.tar.bz2 | |
unwind-ia64.c (_Unwind_GetCFA): New.
* config/ia64/unwind-ia64.c (_Unwind_GetCFA): New.
(_Unwind_FindEnclosingFunction): Implement.
From-SVN: r68168
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/config/ia64/unwind-ia64.c | 19 |
2 files changed, 23 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 1e942f6..c78a883 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2003-06-18 Richard Henderson <rth@redhat.com> + + * config/ia64/unwind-ia64.c (_Unwind_GetCFA): New. + (_Unwind_FindEnclosingFunction): Implement. + 2003-06-18 Kazu Hirata <kazu@cs.umass.edu> * toplev.c (rest_of_handle_sched): Hide the entire function if diff --git a/gcc/config/ia64/unwind-ia64.c b/gcc/config/ia64/unwind-ia64.c index 573a84a..9b6023d 100644 --- a/gcc/config/ia64/unwind-ia64.c +++ b/gcc/config/ia64/unwind-ia64.c @@ -1647,7 +1647,24 @@ _Unwind_GetRegionStart (struct _Unwind_Context *context) void * _Unwind_FindEnclosingFunction (void *pc) { - return NULL; + struct unw_table_entry *ent; + unsigned long segment_base, gp; + + ent = _Unwind_FindTableEntry (pc, &segment_base, &gp); + if (ent == NULL) + return NULL; + else + return (void *)(segment_base + ent->start_offset); +} + +/* Get the value of the CFA as saved in CONTEXT. In GCC/Dwarf2 parlance, + the CFA is the value of the stack pointer on entry; In IA-64 unwind + parlance, this is the PSP. */ + +_Unwind_Word +_Unwind_GetCFA (struct _Unwind_Context *context) +{ + return (_Unwind_Ptr) context->psp; } |