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Merge pull request #4033 from g0djan/godjan/iterate_callstack

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Copy callstack API
This commit is contained in:
liang.he
2025-03-11 10:31:56 +08:00
committed by GitHub
parent 48a87dc8bf e488345607
commit 766f378590
10 changed files with 301 additions and 13 deletions
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49
core/iwasm/interpreter/wasm_runtime.c
View File

@ -4195,6 +4195,55 @@ wasm_get_module_inst_mem_consumption(const WASMModuleInstance *module_inst,
#endif /* end of (WASM_ENABLE_MEMORY_PROFILING != 0) \
|| (WASM_ENABLE_MEMORY_TRACING != 0) */
#if WAMR_ENABLE_COPY_CALLSTACK != 0
uint32
wasm_interp_copy_callstack(WASMExecEnv *exec_env, wasm_frame_t *buffer,
uint32 length, uint32 skip_n, char *error_buf,
uint32_t error_buf_size)
{
/*
* Note for devs: please refrain from such modifications inside of
* wasm_interp_copy_callstack
* - any allocations/freeing memory
* - dereferencing any pointers other than: exec_env, exec_env->module_inst,
* exec_env->module_inst->module, pointers between stack's bottom and
* top_boundary For more details check wasm_copy_callstack in
* wasm_export.h
*/
WASMModuleInstance *module_inst =
(WASMModuleInstance *)wasm_exec_env_get_module_inst(exec_env);
WASMInterpFrame *cur_frame = wasm_exec_env_get_cur_frame(exec_env);
uint8 *top_boundary = exec_env->wasm_stack.top_boundary;
uint8 *bottom = exec_env->wasm_stack.bottom;
uint32 count = 0;
WASMCApiFrame record_frame;
while (cur_frame && (uint8_t *)cur_frame >= bottom
&& (uint8_t *)cur_frame + sizeof(WASMInterpFrame) <= top_boundary
&& count < (skip_n + length)) {
if (!cur_frame->function) {
cur_frame = cur_frame->prev_frame;
continue;
}
if (count < skip_n) {
++count;
cur_frame = cur_frame->prev_frame;
continue;
}
record_frame.instance = module_inst;
record_frame.module_offset = 0;
// It's safe to dereference module_inst->e because "e" is asigned only
// once in wasm_instantiate
record_frame.func_index =
(uint32)(cur_frame->function - module_inst->e->functions);
buffer[count - skip_n] = record_frame;
cur_frame = cur_frame->prev_frame;
++count;
}
return count >= skip_n ? count - skip_n : 0;
}
#endif // WAMR_ENABLE_COPY_CALLSTACK
#if WASM_ENABLE_DUMP_CALL_STACK != 0
bool
wasm_interp_create_call_stack(struct WASMExecEnv *exec_env)

8
core/iwasm/interpreter/wasm_runtime.h
View File

@ -730,6 +730,14 @@ wasm_get_table_inst(const WASMModuleInstance *module_inst, uint32 tbl_idx)
}
#if WASM_ENABLE_DUMP_CALL_STACK != 0
#if WAMR_ENABLE_COPY_CALLSTACK != 0
uint32
wasm_interp_copy_callstack(WASMExecEnv *exec_env, wasm_frame_t *buffer,
uint32 length, uint32 skip_n, char *error_buf,
uint32_t error_buf_size);
#endif // WAMR_ENABLE_COPY_CALLSTACK
bool
wasm_interp_create_call_stack(struct WASMExecEnv *exec_env);