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| author | Jeff Law <law@redhat.com> | 2017-09-19 23:05:12 -0600 |
|---|---|---|
| committer | Jeff Law <law@gcc.gnu.org> | 2017-09-19 23:05:12 -0600 |
| commit | 8c1dd97000d801abc8c9119304be6bf30c5316c0 (patch) | |
| tree | 64eab318b17653e4aec6415328b0b93032cd88c6 /gcc/explow.h | |
| parent | ee8f15c69e324cdb1fa553ac14f760f799c425e2 (diff) | |
| download | gcc-8c1dd97000d801abc8c9119304be6bf30c5316c0.zip gcc-8c1dd97000d801abc8c9119304be6bf30c5316c0.tar.gz gcc-8c1dd97000d801abc8c9119304be6bf30c5316c0.tar.bz2 | |
explow.c: Include "params.h".
2017-09-18 Jeff Law <law@redhat.com>
* explow.c: Include "params.h".
(anti_adjust_stack_and_probe_stack_clash): New function.
(get_stack_check_protect): Likewise.
(compute_stack_clash_protection_loop_data): Likewise.
(emit_stack_clash_protection_loop_start): Likewise.
(emit_stack_clash_protection_loop_end): Likewise.
(allocate_dynamic_stack_space): Use get_stack_check_protect.
Use anti_adjust_stack_and_probe_stack_clash.
* explow.h (compute_stack_clash_protection_loop_data): Prototype.
(emit_stack_clash_protection_loop_start): Likewise.
(emit_stack_clash_protection_loop_end): Likewise.
* rtl.h (get_stack_check_protect): Prototype.
* target.def (stack_clash_protection_final_dynamic_probe): New hook.
* targhooks.c (default_stack_clash_protection_final_dynamic_probe): New.
* targhooks.h (default_stack_clash_protection_final_dynamic_probe):
Prototype.
* doc/tm.texi.in (TARGET_STACK_CLASH_PROTECTION_FINAL_DYNAMIC_PROBE):
Add @hook.
* doc/tm.texi: Rebuilt.
* config/aarch64/aarch64.c (aarch64_expand_prologue): Use
get_stack_check_protect.
* config/alpha/alpha.c (alpha_expand_prologue): Likewise.
* config/arm/arm.c (arm_expand_prologue): Likewise.
(arm_frame_pointer_required): Likewise.
* config/i386/i386.c (ix86_expand_prologue): Likewise.
* config/ia64/ia64.c (ia64_expand_prologue): Likewise.
* config/mips/mips.c (mips_expand_prologue): Likewise.
* config/powerpcspe/powerpcspe.c (rs6000_emit_prologue): Likewise.
* config/rs6000/rs6000.c (rs6000_emit_prologue): Likewise.
* config/sparc/sparc.c (sparc_expand_prologue): Likewise.
(sparc_flat_expand_prologue): Likewise.
* gcc.dg/stack-check-3.c: New test.
From-SVN: r252995
Diffstat (limited to 'gcc/explow.h')
| -rw-r--r-- | gcc/explow.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/gcc/explow.h b/gcc/explow.h index 217a322..b85c051 100644 --- a/gcc/explow.h +++ b/gcc/explow.h @@ -69,6 +69,15 @@ extern void anti_adjust_stack (rtx); /* Add some bytes to the stack while probing it. An rtx says how many. */ extern void anti_adjust_stack_and_probe (rtx, bool); +/* Support for building allocation/probing loops for stack-clash + protection of dyamically allocated stack space. */ +extern void compute_stack_clash_protection_loop_data (rtx *, rtx *, rtx *, + HOST_WIDE_INT *, rtx); +extern void emit_stack_clash_protection_probe_loop_start (rtx *, rtx *, + rtx, bool); +extern void emit_stack_clash_protection_probe_loop_end (rtx, rtx, + rtx, bool); + /* This enum is used for the following two functions. */ enum save_level {SAVE_BLOCK, SAVE_FUNCTION, SAVE_NONLOCAL}; |