diff options
| author | Eric Botcazou <ebotcazou@gcc.gnu.org> | 2010-07-02 21:25:28 +0000 |
|---|---|---|
| committer | Eric Botcazou <ebotcazou@gcc.gnu.org> | 2010-07-02 21:25:28 +0000 |
| commit | 260c8ba389c4a31a7a4d7cfe0fc55492b2f1b74f (patch) | |
| tree | 07029562f5d29447aaea45407baa8ff6842f7694 /gcc/expr.h | |
| parent | 8c54dc55ef8e29da0f1cd3836dbbe705239c415e (diff) | |
| download | gcc-260c8ba389c4a31a7a4d7cfe0fc55492b2f1b74f.zip gcc-260c8ba389c4a31a7a4d7cfe0fc55492b2f1b74f.tar.gz gcc-260c8ba389c4a31a7a4d7cfe0fc55492b2f1b74f.tar.bz2 | |
expr.h (emit_stack_probe): Declare.
* expr.h (emit_stack_probe): Declare.
* explow.c (emit_stack_probe): Make global.
(anti_adjust_stack_and_probe): Fix comments.
* config/sparc/linux.h (STACK_CHECK_STATIC_BUILTIN): Define to 1.
* config/sparc/linux64.h (STACK_CHECK_STATIC_BUILTIN): Likewise.
* config/sparc/sol2.h (STACK_CHECK_STATIC_BUILTIN): Likewise.
* config/sparc/sparc.c: Include except.h.
(sparc_emit_probe_stack_range): New function.
(output_probe_stack_range): Likewise.
(sparc_expand_prologue): Invoke sparc_emit_probe_stack_range if static
built-in stack checking is enabled.
* config/sparc/sparc-protos.h (output_probe_stack_range): Declare.
* config/sparc/sparc.md (UNSPECV_PROBE_STACK_RANGE): New constant.
(probe_stack_range): New insn.
From-SVN: r161749
Diffstat (limited to 'gcc/expr.h')
| -rw-r--r-- | gcc/expr.h | 3 |
1 files changed, 3 insertions, 0 deletions
@@ -645,6 +645,9 @@ extern void update_nonlocal_goto_save_area (void); says how many bytes. */ extern rtx allocate_dynamic_stack_space (rtx, rtx, int); +/* Emit one stack probe at ADDRESS, an address within the stack. */ +extern void emit_stack_probe (rtx); + /* Probe a range of stack addresses from FIRST to FIRST+SIZE, inclusive. FIRST is a constant and size is a Pmode RTX. These are offsets from the current stack pointer. STACK_GROWS_DOWNWARD says whether to add |