Iterate callstack API
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@ -10,6 +10,7 @@
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#include "../common/wasm_runtime_common.h"
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#include "../common/wasm_memory.h"
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#include "../interpreter/wasm_runtime.h"
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#include <stdbool.h>
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#if WASM_ENABLE_SHARED_MEMORY != 0
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#include "../common/wasm_shared_memory.h"
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#endif
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@ -4104,6 +4105,48 @@ 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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{
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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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if (!is_tiny_frame(exec_env)) {
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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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bool is_top_index_in_range = 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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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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WASMCApiFrame record_frame;
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while (frame &&
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(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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record_frame.func_offset = frame->ip_offset;
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if (!frame_handler(user_data, &record_frame)) {
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break;
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}
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frame -= 1;
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}
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}
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bool
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aot_create_call_stack(struct WASMExecEnv *exec_env)
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{
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