fix bug for return value when skip_n is passed

Georgii Rylov · Georgii Rylov · commit e488345607fb · 2025-03-05T11:47:56.000Z
diff --git a/core/iwasm/aot/aot_runtime.c b/core/iwasm/aot/aot_runtime.c
@@ -4155,7 +4155,7 @@ aot_copy_callstack_tiny_frame(WASMExecEnv *exec_env, wasm_frame_t *buffer,
         frame -= 1;
         ++count;
     }
-    return count;
+    return count >= skip_n ? count - skip_n : 0;
 }
 
 uint32
@@ -4205,7 +4205,7 @@ aot_copy_callstack_standard_frame(WASMExecEnv *exec_env, wasm_frame_t *buffer,
  * now it poses a risk due to variable size of the frame
  */
 #endif
-    return count;
+    return count >= skip_n ? count - skip_n : 0;
 }
 
 uint32
diff --git a/core/iwasm/interpreter/wasm_runtime.c b/core/iwasm/interpreter/wasm_runtime.c
@@ -4240,7 +4240,7 @@ wasm_interp_copy_callstack(WASMExecEnv *exec_env, wasm_frame_t *buffer,
         cur_frame = cur_frame->prev_frame;
         ++count;
     }
-    return count;
+    return count >= skip_n ? count - skip_n : 0;
 }
 #endif // WAMR_ENABLE_COPY_CALLSTACK
 

Original file line number	Diff line number	Diff line change
`@@ -4155,7 +4155,7 @@ aot_copy_callstack_tiny_frame(WASMExecEnv exec_env, wasm_frame_t buffer,`
`4155`	`4155`	`frame -= 1;`
`4156`	`4156`	`++count;`
`4157`	`4157`	`}`
`4158`		`- return count;`
	`4158`	`+ return count >= skip_n ? count - skip_n : 0;`
`4159`	`4159`	`}`
`4160`	`4160`
`4161`	`4161`	`uint32`
`@@ -4205,7 +4205,7 @@ aot_copy_callstack_standard_frame(WASMExecEnv exec_env, wasm_frame_t buffer,`
`4205`	`4205`	`* now it poses a risk due to variable size of the frame`
`4206`	`4206`	`*/`
`4207`	`4207`	`#endif`
`4208`		`- return count;`
	`4208`	`+ return count >= skip_n ? count - skip_n : 0;`
`4209`	`4209`	`}`
`4210`	`4210`
`4211`	`4211`	`uint32`
Original file line number	Diff line number	Diff line change
`@@ -4240,7 +4240,7 @@ wasm_interp_copy_callstack(WASMExecEnv exec_env, wasm_frame_t buffer,`
`4240`	`4240`	`cur_frame = cur_frame->prev_frame;`
`4241`	`4241`	`++count;`
`4242`	`4242`	`}`
`4243`		`- return count;`
	`4243`	`+ return count >= skip_n ? count - skip_n : 0;`
`4244`	`4244`	`}`
`4245`	`4245`	`#endif // WAMR_ENABLE_COPY_CALLSTACK`
`4246`	`4246`