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Implement memory access bound check with hardware trap for 64-bit platforms (#293)

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Also implement native stack overflow check with hardware trap for 64-bit platforms
Refine classic interpreter and fast interpreter to improve performance
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This commit is contained in:
wenyongh
2020-06-28 15:41:25 +08:00
committed by GitHub
parent 548926ab1a
commit ee315e4049
33 changed files with 1143 additions and 438 deletions
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35
core/iwasm/common/wasm_exec_env.c
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@ -61,6 +61,15 @@ fail1:
void
wasm_exec_env_destroy_internal(WASMExecEnv *exec_env)
{
#ifdef OS_ENABLE_HW_BOUND_CHECK
WASMJmpBuf *jmpbuf = exec_env->jmpbuf_stack_top;
WASMJmpBuf *jmpbuf_prev;
while (jmpbuf) {
jmpbuf_prev = jmpbuf->prev;
wasm_runtime_free(jmpbuf);
jmpbuf = jmpbuf_prev;
}
#endif
#if WASM_ENABLE_THREAD_MGR != 0
os_mutex_destroy(&exec_env->wait_lock);
os_cond_destroy(&exec_env->wait_cond);
@ -121,7 +130,6 @@ wasm_exec_env_set_thread_info(WASMExecEnv *exec_env)
exec_env->handle = os_self_thread();
exec_env->native_stack_boundary = os_thread_get_stack_boundary()
+ RESERVED_BYTES_TO_NATIVE_STACK_BOUNDARY;
}
#if WASM_ENABLE_THREAD_MGR != 0
@ -136,4 +144,27 @@ wasm_exec_env_set_thread_arg(WASMExecEnv *exec_env, void *thread_arg)
{
exec_env->thread_arg = thread_arg;
}
#endif
#endif
#ifdef OS_ENABLE_HW_BOUND_CHECK
void
wasm_exec_env_push_jmpbuf(WASMExecEnv *exec_env, WASMJmpBuf *jmpbuf)
{
jmpbuf->prev = exec_env->jmpbuf_stack_top;
exec_env->jmpbuf_stack_top = jmpbuf;
}
WASMJmpBuf *
wasm_exec_env_pop_jmpbuf(WASMExecEnv *exec_env)
{
WASMJmpBuf *stack_top = exec_env->jmpbuf_stack_top;
if (stack_top) {
exec_env->jmpbuf_stack_top = stack_top->prev;
return stack_top;
}
return NULL;
}
#endif