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https://github.com/bytecodealliance/wasm-micro-runtime.git
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@ -4104,37 +4104,41 @@ aot_frame_update_profile_info(WASMExecEnv *exec_env, bool alloc_frame)
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#endif /* end of WASM_ENABLE_AOT_STACK_FRAME != 0 */
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#if WASM_ENABLE_DUMP_CALL_STACK != 0
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void
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aot_iterate_callstack(WASMExecEnv *exec_env, const wasm_frame_callback frame_handler, void* user_data)
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void
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aot_iterate_callstack(WASMExecEnv *exec_env,
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const wasm_frame_callback frame_handler, void *user_data)
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{
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/*
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* Note for devs: please refrain from such modifications inside of aot_iterate_callstack
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* - any allocations/freeing memory
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* - dereferencing any pointers other than: exec_env, exec_env->module_inst,
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* exec_env->module_inst->module, pointers between stack's bottom and top_boundary
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* For more details check wasm_iterate_callstack in wasm_export.h
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*/
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/*
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* Note for devs: please refrain from such modifications inside of
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* aot_iterate_callstack
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* - any allocations/freeing memory
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* - dereferencing any pointers other than: exec_env, exec_env->module_inst,
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* exec_env->module_inst->module, pointers between stack's bottom and
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* top_boundary For more details check wasm_iterate_callstack in
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* wasm_export.h
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*/
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if (!is_tiny_frame(exec_env)) {
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//TODO: support standard frames
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// TODO: support standard frames
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return;
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}
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uint8* top_boundary = exec_env->wasm_stack.top_boundary;
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uint8* top = exec_env->wasm_stack.top;
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uint8* bottom = exec_env->wasm_stack.bottom;
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uint8 *top_boundary = exec_env->wasm_stack.top_boundary;
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uint8 *top = exec_env->wasm_stack.top;
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uint8 *bottom = exec_env->wasm_stack.bottom;
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bool is_top_index_in_range = top_boundary >= top && top >= (bottom + sizeof(AOTTinyFrame));
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bool is_top_index_in_range =
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top_boundary >= top && top >= (bottom + sizeof(AOTTinyFrame));
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if (!is_top_index_in_range) {
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return;
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}
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bool is_top_aligned_with_bottom = (unsigned long)(top - bottom) % sizeof(AOTTinyFrame) == 0;
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bool is_top_aligned_with_bottom =
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(unsigned long)(top - bottom) % sizeof(AOTTinyFrame) == 0;
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if (!is_top_aligned_with_bottom) {
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return;
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}
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AOTTinyFrame* frame = (AOTTinyFrame*)(top - sizeof(AOTTinyFrame));
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AOTTinyFrame *frame = (AOTTinyFrame *)(top - sizeof(AOTTinyFrame));
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WASMCApiFrame record_frame;
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while (frame &&
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(uint8_t*)frame >= bottom) {
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while (frame && (uint8_t *)frame >= bottom) {
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record_frame.instance = exec_env->module_inst;
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record_frame.module_offset = 0;
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record_frame.func_index = frame->func_index;
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@ -777,8 +777,9 @@ aot_frame_update_profile_info(WASMExecEnv *exec_env, bool alloc_frame);
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bool
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aot_create_call_stack(struct WASMExecEnv *exec_env);
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void
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aot_iterate_callstack(WASMExecEnv *exec_env, const wasm_frame_callback frame_handler, void* user_data);
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void
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aot_iterate_callstack(WASMExecEnv *exec_env,
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const wasm_frame_callback frame_handler, void *user_data);
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/**
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* @brief Dump wasm call stack or get the size
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@ -1741,31 +1741,36 @@ wasm_runtime_destroy_exec_env(WASMExecEnv *exec_env)
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wasm_exec_env_destroy(exec_env);
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}
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void
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wasm_iterate_callstack(const wasm_exec_env_t exec_env, const wasm_frame_callback frame_callback, void* user_data)
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void
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wasm_iterate_callstack(const wasm_exec_env_t exec_env,
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const wasm_frame_callback frame_callback,
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void *user_data)
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{
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/*
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* Note for devs: please refrain from such modifications inside of wasm_iterate_callstack
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* - any allocations/freeing memory
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* - dereferencing any pointers other than: exec_env, exec_env->module_inst,
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* exec_env->module_inst->module, pointers between stack's bottom and top_boundary
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* For more details check wasm_iterate_callstack in wasm_export.h
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*/
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#if WASM_ENABLE_DUMP_CALL_STACK
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WASMModuleInstance* module_inst = (WASMModuleInstance *)get_module_inst(exec_env);
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/*
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* Note for devs: please refrain from such modifications inside of
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* wasm_iterate_callstack
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* - any allocations/freeing memory
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* - dereferencing any pointers other than: exec_env, exec_env->module_inst,
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* exec_env->module_inst->module, pointers between stack's bottom and
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* top_boundary For more details check wasm_iterate_callstack in
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* wasm_export.h
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*/
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#if WASM_ENABLE_DUMP_CALL_STACK
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WASMModuleInstance *module_inst =
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(WASMModuleInstance *)get_module_inst(exec_env);
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#if WASM_ENABLE_INTERP != 0
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#if WASM_ENABLE_INTERP != 0
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if (module_inst->module_type == Wasm_Module_Bytecode) {
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wasm_interp_iterate_callstack(exec_env, frame_callback, user_data);
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}
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#endif
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#endif
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#if WASM_ENABLE_AOT != 0
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#if WASM_ENABLE_AOT != 0
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if (module_inst->module_type == Wasm_Module_AoT) {
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aot_iterate_callstack(exec_env, frame_callback, user_data);
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}
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#endif
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#endif
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#endif
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#endif
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}
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bool
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@ -652,8 +652,10 @@ wasm_runtime_create_exec_env(WASMModuleInstanceCommon *module_inst,
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WASM_RUNTIME_API_EXTERN void
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wasm_runtime_destroy_exec_env(WASMExecEnv *exec_env);
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WASM_RUNTIME_API_EXTERN void
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wasm_iterate_callstack(const wasm_exec_env_t exec_env, const wasm_frame_callback frame_handler, void* user_data);
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WASM_RUNTIME_API_EXTERN void
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wasm_iterate_callstack(const wasm_exec_env_t exec_env,
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const wasm_frame_callback frame_handler,
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void *user_data);
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/* See wasm_export.h for description */
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WASM_RUNTIME_API_EXTERN WASMModuleInstanceCommon *
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@ -127,7 +127,7 @@ struct WASMMemoryInstance;
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typedef struct WASMMemoryInstance *wasm_memory_inst_t;
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struct wasm_frame_t;
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typedef struct wasm_frame_t * wasm_frame_ptr_t;
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typedef struct wasm_frame_t *wasm_frame_ptr_t;
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/* WASM section */
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typedef struct wasm_section_t {
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@ -867,21 +867,20 @@ wasm_runtime_create_exec_env(wasm_module_inst_t module_inst,
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WASM_RUNTIME_API_EXTERN void
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wasm_runtime_destroy_exec_env(wasm_exec_env_t exec_env);
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typedef bool (*wasm_frame_callback)(void*, wasm_frame_ptr_t);
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typedef bool (*wasm_frame_callback)(void *, wasm_frame_ptr_t);
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/**
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* @brief Iterate over callstack frames and execute callback on it.
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*
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* Caution: This is not a thread-safe function. Ensure the exec_env
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* Caution: This is not a thread-safe function. Ensure the exec_env
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* is suspended before calling it from another thread.
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*
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* Usage: In the callback to read frames fields use APIs
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* Usage: In the callback to read frames fields use APIs
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* for wasm_frame_t from wasm_c_api.h
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*
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* Note: The function is async-signal-safe if called with verified arguments.
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* Meaning it's safe to call it from a signal handler even on a signal interruption
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* from another thread if next variables hold valid pointers
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* Note: The function is async-signal-safe if called with verified arguments.
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* Meaning it's safe to call it from a signal handler even on a signal
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* interruption from another thread if next variables hold valid pointers
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* - exec_env
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* - exec_env->module_inst
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* - exec_env->module_inst->module
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@ -889,14 +888,16 @@ typedef bool (*wasm_frame_callback)(void*, wasm_frame_ptr_t);
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* Note for devs: please refrain from such modifications inside of this call
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* - any allocations/freeing memory
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* - dereferencing any pointers other than: exec_env, exec_env->module_inst,
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* exec_env->module_inst->module, pointers between stack's bottom and top_boundary
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* exec_env->module_inst->module, pointers between stack's bottom and
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* top_boundary
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*
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* @param exec_env the execution environment that containes frames
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* @param callback the callback function provided by the user
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* @param user_data context for callback provided by the user
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*/
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WASM_RUNTIME_API_EXTERN void
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wasm_iterate_callstack(const wasm_exec_env_t exec_env, const wasm_frame_callback callback, void *user_data);
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WASM_RUNTIME_API_EXTERN void
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wasm_iterate_callstack(const wasm_exec_env_t exec_env,
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const wasm_frame_callback callback, void *user_data);
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/**
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* Get the singleton execution environment for the instance.
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@ -4197,32 +4197,36 @@ wasm_get_module_inst_mem_consumption(const WASMModuleInstance *module_inst,
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|| (WASM_ENABLE_MEMORY_TRACING != 0) */
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#if WASM_ENABLE_DUMP_CALL_STACK != 0
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uint32
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wasm_interp_iterate_callstack(WASMExecEnv *exec_env, const wasm_frame_callback frame_handler, void* user_data)
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uint32
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wasm_interp_iterate_callstack(WASMExecEnv *exec_env,
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const wasm_frame_callback frame_handler,
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void *user_data)
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{
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/*
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* Note for devs: please refrain from such modifications inside of wasm_interp_iterate_callstack
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* - any allocations/freeing memory
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* - dereferencing any pointers other than: exec_env, exec_env->module_inst,
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* exec_env->module_inst->module, pointers between stack's bottom and top_boundary
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* For more details check wasm_iterate_callstack in wasm_export.h
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*/
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WASMModuleInstance *module_inst = (WASMModuleInstance *)wasm_exec_env_get_module_inst(exec_env);
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WASMInterpFrame* cur_frame = wasm_exec_env_get_cur_frame(exec_env);
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uint8* top_boundary = exec_env->wasm_stack.top_boundary;
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uint8* bottom = exec_env->wasm_stack.bottom;
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/*
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* Note for devs: please refrain from such modifications inside of
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* wasm_interp_iterate_callstack
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* - any allocations/freeing memory
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* - dereferencing any pointers other than: exec_env, exec_env->module_inst,
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* exec_env->module_inst->module, pointers between stack's bottom and
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* top_boundary For more details check wasm_iterate_callstack in
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* wasm_export.h
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*/
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WASMModuleInstance *module_inst =
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(WASMModuleInstance *)wasm_exec_env_get_module_inst(exec_env);
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WASMInterpFrame *cur_frame = wasm_exec_env_get_cur_frame(exec_env);
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uint8 *top_boundary = exec_env->wasm_stack.top_boundary;
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uint8 *bottom = exec_env->wasm_stack.bottom;
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WASMCApiFrame record_frame;
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while (cur_frame &&
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(uint8_t*)cur_frame >= bottom &&
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(uint8_t*)cur_frame + sizeof(WASMInterpFrame) <= top_boundary) {
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record_frame.instance = module_inst;
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record_frame.module_offset = 0;
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record_frame.func_index = cur_frame->func_index;
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if (!frame_handler(user_data, &record_frame)) {
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break;
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}
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cur_frame = cur_frame->prev_frame;
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while (cur_frame && (uint8_t *)cur_frame >= bottom
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&& (uint8_t *)cur_frame + sizeof(WASMInterpFrame) <= top_boundary) {
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record_frame.instance = module_inst;
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record_frame.module_offset = 0;
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record_frame.func_index = cur_frame->func_index;
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if (!frame_handler(user_data, &record_frame)) {
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break;
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}
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cur_frame = cur_frame->prev_frame;
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}
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}
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@ -731,8 +731,10 @@ wasm_get_table_inst(const WASMModuleInstance *module_inst, uint32 tbl_idx)
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#if WASM_ENABLE_DUMP_CALL_STACK != 0
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uint32
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wasm_interp_iterate_callstack(WASMExecEnv *exec_env, const wasm_frame_callback frame_handler, void* user_data);
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uint32
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wasm_interp_iterate_callstack(WASMExecEnv *exec_env,
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const wasm_frame_callback frame_handler,
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void *user_data);
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bool
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wasm_interp_create_call_stack(struct WASMExecEnv *exec_env);
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