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| author | xebd <xeb@mail.ru> | 2017-12-28 09:49:26 +0300 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2017-12-28 09:49:26 +0300 |
| commit | 53d53606ba52032b4ae81c4c967316816053efcc (patch) | |
| tree | ee7afe2bd94f0266f199c4f140481956c364d7cf /accel-pppd/triton | |
| parent | d7c91b0e301375c06feecbb2e714b13860e2c35f (diff) | |
| parent | 287adbfc205c02eac375f55fb94f13c073faec97 (diff) | |
| download | accel-ppp-xebd-53d53606ba52032b4ae81c4c967316816053efcc.tar.gz accel-ppp-xebd-53d53606ba52032b4ae81c4c967316816053efcc.zip | |
Merge pull request #30 from themiron/alloca-crash
triton: fix crash due gcc mis-optimization of alloca()
Diffstat (limited to 'accel-pppd/triton')
| -rw-r--r-- | accel-pppd/triton/triton.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/accel-pppd/triton/triton.c b/accel-pppd/triton/triton.c index 64ca7b8..a456746 100644 --- a/accel-pppd/triton/triton.c +++ b/accel-pppd/triton/triton.c @@ -54,6 +54,7 @@ struct triton_context_t default_ctx; static __thread struct triton_context_t *this_ctx; static __thread jmp_buf jmp_env; static __thread void *thread_frame; +static volatile void *thread_stack; #define log_debug2(fmt, ...) @@ -133,7 +134,7 @@ static void* triton_thread(struct _triton_thread_t *thread) if (this_ctx->before_switch) this_ctx->before_switch(this_ctx, thread->ctx->bf_arg); - alloca(thread->ctx->uc->uc_stack.ss_size + 64); + thread_stack = alloca(thread->ctx->uc->uc_stack.ss_size + 64); memcpy(thread_frame - thread->ctx->uc->uc_stack.ss_size, thread->ctx->uc->uc_stack.ss_sp, thread->ctx->uc->uc_stack.ss_size); setcontext(thread->ctx->uc); abort(); |