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fix aux stack overwritten issue when lib-pthread is enabled (#596)

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Xu Jun 2021-04-01 15:07:00 +08:00 committed by GitHub
parent 5a13e1bbbc
commit 22bcfe204e
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GPG Key ID: 4AEE18F83AFDEB23
4 changed files with 101 additions and 17 deletions
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19
core/iwasm/aot/aot_runtime.c
View File

@ -10,6 +10,9 @@
#if WASM_ENABLE_SHARED_MEMORY != 0
#include "../common/wasm_shared_memory.h"
#endif
#if WASM_ENABLE_THREAD_MGR != 0
#include "../libraries/thread-mgr/thread_manager.h"
#endif
static void
set_error_buf(char *error_buf, uint32 error_buf_size, const char *string)
@ -1319,6 +1322,13 @@ aot_create_exec_env_and_call_function(AOTModuleInstance *module_inst,
WASMExecEnv *exec_env;
bool ret;
#if WASM_ENABLE_THREAD_MGR != 0
WASMExecEnv *existing_exec_env = NULL;
if (!(existing_exec_env = exec_env =
wasm_clusters_search_exec_env(
(WASMModuleInstanceCommon*)module_inst))) {
#endif
if (!(exec_env = wasm_exec_env_create((WASMModuleInstanceCommon*)module_inst,
module_inst->default_wasm_stack_size))) {
aot_set_exception(module_inst, "allocate memory failed");
@ -1327,9 +1337,18 @@ aot_create_exec_env_and_call_function(AOTModuleInstance *module_inst,
/* set thread handle and stack boundary */
wasm_exec_env_set_thread_info(exec_env);
#if WASM_ENABLE_THREAD_MGR != 0
}
#endif
ret = aot_call_function(exec_env, func, argc, argv);
#if WASM_ENABLE_THREAD_MGR != 0
/* don't destroy the exec_env if it's searched from the cluster */
if (!existing_exec_env)
#endif
wasm_exec_env_destroy(exec_env);
return ret;
}

19
core/iwasm/interpreter/wasm_runtime.c
View File

@ -13,6 +13,9 @@
#if WASM_ENABLE_SHARED_MEMORY != 0
#include "../common/wasm_shared_memory.h"
#endif
#if WASM_ENABLE_THREAD_MGR != 0
#include "../libraries/thread-mgr/thread_manager.h"
#endif
static void
set_error_buf(char *error_buf, uint32 error_buf_size, const char *string)
@ -1593,6 +1596,13 @@ wasm_create_exec_env_and_call_function(WASMModuleInstance *module_inst,
WASMExecEnv *exec_env;
bool ret;
#if WASM_ENABLE_THREAD_MGR != 0
WASMExecEnv *existing_exec_env = NULL;
if (!(existing_exec_env = exec_env =
wasm_clusters_search_exec_env(
(WASMModuleInstanceCommon*)module_inst))) {
#endif
if (!(exec_env = wasm_exec_env_create(
(WASMModuleInstanceCommon*)module_inst,
module_inst->default_wasm_stack_size))) {
@ -1602,9 +1612,18 @@ wasm_create_exec_env_and_call_function(WASMModuleInstance *module_inst,
/* set thread handle and stack boundary */
wasm_exec_env_set_thread_info(exec_env);
#if WASM_ENABLE_THREAD_MGR != 0
}
#endif
ret = wasm_call_function(exec_env, func, argc, argv);
#if WASM_ENABLE_THREAD_MGR != 0
/* don't destroy the exec_env if it's searched from the cluster */
if (!existing_exec_env)
#endif
wasm_exec_env_destroy(exec_env);
return ret;
}

43
core/iwasm/libraries/thread-mgr/thread_manager.c
View File

@ -281,6 +281,49 @@ wasm_cluster_del_exec_env(WASMCluster *cluster, WASMExecEnv *exec_env)
return ret;
}
static WASMExecEnv *
wasm_cluster_search_exec_env(WASMCluster *cluster,
WASMModuleInstanceCommon *module_inst)
{
WASMExecEnv *node = NULL;
os_mutex_lock(&cluster->lock);
node = bh_list_first_elem(&cluster->exec_env_list);
while (node) {
if (node->module_inst == module_inst) {
os_mutex_unlock(&cluster->lock);
return node;
}
node = bh_list_elem_next(node);
}
os_mutex_unlock(&cluster->lock);
return NULL;
}
/* search the global cluster list to find if the given
module instance have a corresponding exec_env */
WASMExecEnv *
wasm_clusters_search_exec_env(WASMModuleInstanceCommon *module_inst)
{
WASMCluster *cluster = NULL;
WASMExecEnv *exec_env = NULL;
os_mutex_lock(&cluster_list_lock);
cluster = bh_list_first_elem(cluster_list);
while (cluster) {
exec_env = wasm_cluster_search_exec_env(cluster, module_inst);
if (exec_env) {
os_mutex_unlock(&cluster_list_lock);
return exec_env;
}
cluster = bh_list_elem_next(cluster);
}
os_mutex_unlock(&cluster_list_lock);
return NULL;
}
WASMExecEnv *
wasm_cluster_spawn_exec_env(WASMExecEnv *exec_env)
{

3
core/iwasm/libraries/thread-mgr/thread_manager.h
View File

@ -106,6 +106,9 @@ wasm_cluster_add_exec_env(WASMCluster *cluster, WASMExecEnv *exec_env);
bool
wasm_cluster_del_exec_env(WASMCluster *cluster, WASMExecEnv *exec_env);
WASMExecEnv *
wasm_clusters_search_exec_env(WASMModuleInstanceCommon *module_inst);
void
wasm_cluster_spread_exception(WASMExecEnv *exec_env);