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| author | Eric Botcazou <ebotcazou@adacore.com> | 2015-05-19 09:33:27 +0000 |
|---|---|---|
| committer | Eric Botcazou <ebotcazou@gcc.gnu.org> | 2015-05-19 09:33:27 +0000 |
| commit | d33606c30678cbccf0e95840e7dc48918ff1e21e (patch) | |
| tree | 1a601dd44371c7e5dd197e955db6b56a8a9dd835 /gcc/insn-notes.def | |
| parent | 76e048a8c04e282b8eca52dedf529073ce235f38 (diff) | |
| download | gcc-d33606c30678cbccf0e95840e7dc48918ff1e21e.tar.gz | |
insn-notes.def (UPDATE_SJLJ_CONTEXT): New note.
* insn-notes.def (UPDATE_SJLJ_CONTEXT): New note.
* builtins.c (expand_builtin_update_setjmp_buf): Make global.
(expand_stack_restore): Call record_new_stack_level.
(expand_stack_save): Do not call do_pending_stack_adjust.
* builtins.h (expand_builtin_update_setjmp_buf): Declare.
* calls.c (expand_call): Call record_new_stack_level for alloca.
* except.c (sjlj_mark_call_sites): Expand builtin_update_setjmp_buf
wherever a NOTE_INSN_UPDATE_SJLJ_CONTEXT note is present.
(update_sjlj_context): New global function.
* except.h (update_sjlj_context): Declare.
* explow.c (record_new_stack_level): New global function.
(allocate_dynamic_stack_space): Call record_new_stack_level.
* explow.h (record_new_stack_level): Declare.
* final.c (final_scan_insn): Deal with NOTE_INSN_UPDATE_SJLJ_CONTEXT.
* cfgrtl.c (duplicate_insn_chain): Likewise.
Co-Authored-By: Tristan Gingold <gingold@adacore.com>
From-SVN: r223348
Diffstat (limited to 'gcc/insn-notes.def')
| -rw-r--r-- | gcc/insn-notes.def | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/gcc/insn-notes.def b/gcc/insn-notes.def index 210890d87bd..9e86ce5063d 100644 --- a/gcc/insn-notes.def +++ b/gcc/insn-notes.def @@ -87,4 +87,8 @@ INSN_NOTE (CFI) label that should be emitted. */ INSN_NOTE (CFI_LABEL) +/* This note indicates that the function context must be updated if + the Setjmp/Longjmp exception mechanism is used. */ +INSN_NOTE (UPDATE_SJLJ_CONTEXT) + #undef INSN_NOTE |