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| author | shyouhei <shyouhei@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2018-09-13 03:46:46 +0000 |
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| committer | shyouhei <shyouhei@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2018-09-13 03:46:46 +0000 |
| commit | 6925c9c6f5e435fc88e683d7b9df475dd46c28ce (patch) | |
| tree | a9c1c737ae7f45f8db587888debf990b2ef12613 /vm_insnhelper.h | |
| parent | 63130b2348440c731d20f9488f922d53abe16b6e (diff) | |
| download | ruby-6925c9c6f5e435fc88e683d7b9df475dd46c28ce.tar.gz | |
move canary-related statements into macros
This is mostly cosmetic. Should generate a slightly readable
vm.inc output.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@64709 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'vm_insnhelper.h')
| -rw-r--r-- | vm_insnhelper.h | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/vm_insnhelper.h b/vm_insnhelper.h index e65e889898..b5f35df2bd 100644 --- a/vm_insnhelper.h +++ b/vm_insnhelper.h @@ -201,6 +201,27 @@ enum vm_regan_acttype { /**********************************************************/ +/* deal with stack canary */ +/**********************************************************/ + +#if VM_CHECK_MODE > 0 +#define DECLARE_CANARY bool leaf; VALUE *canary +#define SETUP_CANARY() \ + if ((leaf = INSN_ATTR(leaf))) { \ + canary = GET_SP(); \ + SET_SV(vm_stack_canary); \ + } +#define CHECK_CANARY() \ + if (leaf && (*canary != vm_stack_canary)) { \ + vm_canary_is_found_dead(INSN_ATTR(bin), *canary); \ + } +#else +#define DECLARE_CANARY /* void */ +#define SETUP_CANARY() /* void */ +#define CHECK_CANARY() /* void */ +#endif + +/**********************************************************/ /* others */ /**********************************************************/ |