Files
failnix/injections/2026-04-18T17:48:31_sum1_repl_naive_late-fail-interp/module_host.c

140 lines
4.3 KiB (Stored with Git LFS)
C

#include "../lib.h"
#include "../wasm_export.h"
#include "bh_platform.h"
#include "wasm_interp_array.c"
#ifdef TARGET_LINUX
#include <stdio.h>
#include <string.h>
#endif
// FAIL* instrumentation symbols
void fail_start_trace(void) {}
void fail_stop_trace(void) {}
void fail_marker_positive(void) {}
void fail_marker_negative(void) {}
void fail_marker_detected(void) {}
// Those functions will be called from WASM
void host_fail_start_trace(wasm_exec_env_t exec_env) { fail_start_trace(); }
void host_fail_stop_trace(wasm_exec_env_t exec_env) { fail_stop_trace(); }
void host_fail_marker_positive(wasm_exec_env_t exec_env) {
fail_marker_positive();
}
void host_fail_marker_negative(wasm_exec_env_t exec_env) {
fail_marker_negative();
}
void host_fail_marker_detected(wasm_exec_env_t exec_env) {
fail_marker_detected();
}
void host_print(wasm_exec_env_t exec_env, const char *msg) {
PRINT("[WASM] %s", msg);
}
#define STACK_SIZE (4 * 1024)
#define HEAP_SIZE STACK_SIZE
#define RUNTIME_POOL_SIZE 4 * STACK_SIZE
MAIN {
char error_buf[128];
// Step 1: Initialize WAMR Runtime
static RuntimeInitArgs init_args;
memset(&init_args, 0, sizeof(RuntimeInitArgs));
static char global_heap_buf[RUNTIME_POOL_SIZE];
init_args.mem_alloc_type = Alloc_With_Pool;
init_args.mem_alloc_option.pool.heap_buf = global_heap_buf;
init_args.mem_alloc_option.pool.heap_size = sizeof(global_heap_buf);
init_args.max_thread_num = 1;
if (!wasm_runtime_full_init(&init_args)) {
PRINT_ERROR("wasm_runtime_full_init failed.\n");
goto error_cleanup;
}
// Step 2: Export Native Symbols
static NativeSymbol native_symbols[] = {
{"fail_start_trace", (void *)host_fail_start_trace, "()", NULL},
{"fail_stop_trace", (void *)host_fail_stop_trace, "()", NULL},
{"fail_marker_positive", (void *)host_fail_marker_positive, "()", NULL},
{"fail_marker_negative", (void *)host_fail_marker_negative, "()", NULL},
{"fail_marker_detected", (void *)host_fail_marker_detected, "()", NULL},
{"print", (void *)host_print, "(*)", NULL},
};
int count = sizeof(native_symbols) / sizeof(NativeSymbol);
if (!wasm_runtime_register_natives("env", native_symbols, count)) {
PRINT_ERROR("wasm_runtime_register_natives failed.\n");
goto error_cleanup;
}
// Step 3: Parse and Validate Module
wasm_module_t module = wasm_runtime_load(build_sum1_repl_naive_late_wasm_module_wasm, build_sum1_repl_naive_late_wasm_module_wasm_len,
error_buf, sizeof(error_buf));
if (!module) {
PRINT_ERROR("wasm_runtime_load failed with \"%s\".\n", error_buf);
goto error_cleanup;
}
// Step 4: Instantiate Module
wasm_module_inst_t module_inst = wasm_runtime_instantiate(
module, STACK_SIZE, HEAP_SIZE, error_buf, sizeof(error_buf));
if (!module_inst) {
PRINT_ERROR("wasm_runtime_instantiate failed with \"%s\".\n", error_buf);
goto error_cleanup;
}
// Step 5: Create Execution Environment
wasm_exec_env_t exec_env =
wasm_runtime_create_exec_env(module_inst, STACK_SIZE);
if (!exec_env) {
PRINT_ERROR("wasm_runtime_create_exec_env failed.\n");
goto error_cleanup;
}
// Step 6: Find and Call Exported Function
wasm_function_inst_t func =
wasm_runtime_lookup_function(module_inst, "wasm_module");
if (!func) {
PRINT_ERROR("wasm_runtime_lookup_function failed.\n");
goto error_cleanup;
}
// In case wasm_module accepts arguments, set them here
uint32_t args[1];
if (!wasm_runtime_call_wasm(exec_env, func, 0, args)) {
const char *exception = wasm_runtime_get_exception(module_inst);
PRINT_ERROR("wasm_runtime_call_wasm failed with \"%s\".\n",
exception ? exception : "unknown");
goto error_cleanup;
}
PRINT_SUCCESS("wasm function execution finished.\n");
// In case wasm_module returns a value we can do sth with it
uint32_t retval = args[0];
success_cleanup:
wasm_runtime_destroy_exec_env(exec_env);
wasm_runtime_deinstantiate(module_inst);
wasm_runtime_unload(module);
wasm_runtime_destroy();
RET(0);
error_cleanup:
if (exec_env) {
wasm_runtime_destroy_exec_env(exec_env);
}
if (module_inst) {
wasm_runtime_deinstantiate(module_inst);
}
if (module) {
wasm_runtime_unload(module);
}
wasm_runtime_destroy();
RET(1);
}