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rt: Do fewer stack canary checks

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This commit is contained in:
Brian Anderson 2011-12-20 13:54:35 -08:00
parent 3bc4da96f1
commit 6443a7b513
1 changed files with 5 additions and 3 deletions
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8
src/rt/rust_upcall.cpp
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@ -41,7 +41,6 @@ call_upcall_on_c_stack(void *args, void *fn_ptr) {
do_sanity_check(task);
rust_scheduler *sched = task->sched;
sched->c_context.call_shim_on_c_stack(args, fn_ptr);
do_sanity_check(task);
}
extern "C" void record_sp(void *limit);
@ -72,7 +71,6 @@ upcall_call_shim_on_c_stack(void *args, void *fn_ptr) {
task = rust_scheduler::get_task();
task->record_stack_limit();
do_sanity_check(task);
}
/**********************************************************************/
@ -411,6 +409,10 @@ upcall_vec_push(rust_vec** vp, type_desc* elt_ty, void* elt) {
// because this upcall calls take glue
s_vec_push_args args = {vp, elt_ty, elt};
upcall_s_vec_push(&args);
// Do the stack check to make sure this op, on the Rust stack, is behaving
rust_task *task = rust_scheduler::get_task();
task->check_stack_canary();
}
/**********************************************************************
@ -645,7 +647,7 @@ upcall_reset_stack_limit() {
rust_task *task = rust_scheduler::get_task();
do_sanity_check(task);
task->reset_stack_limit();
do_sanity_check(task);
task->check_stack_canary();
}
//