Implement ___syscall122 (uname())

zhuguoliang · Sep 25, 2018 · 398737c · 398737c
1 parent 65b6bda
commit 398737c
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Showing 2 changed files with 26 additions and 0 deletions.
diff --git a/src/wasmjit/emscripten_runtime.c b/src/wasmjit/emscripten_runtime.c
@@ -2662,6 +2662,31 @@ uint32_t wasmjit_emscripten____syscall12(uint32_t which, uint32_t varargs,
 	return check_ret(sys_chdir(base + args.pathname));
 }
 
+/* uname */
+uint32_t wasmjit_emscripten____syscall122(uint32_t which, uint32_t varargs,
+					  struct FuncInst *funcinst)
+{
+	char *base;
+
+	LOAD_ARGS(funcinst, varargs, 1,
+		  uint32_t, buf);
+
+	(void) which;
+
+	if (!_wasmjit_emscripten_check_range(funcinst, args.buf, 390))
+		return -SYS_EFAULT;
+
+	base = wasmjit_emscripten_get_base_address(funcinst);
+
+	strcpy(base + args.buf + 0, "Emscripten");
+	strcpy(base + args.buf + 65, "emscripten");
+	strcpy(base + args.buf + 130, "1.0");
+	strcpy(base + args.buf + 195, "#1");
+	strcpy(base + args.buf + 260, "x86-JS");
+
+	return 0;
+}
+
 void wasmjit_emscripten_cleanup(struct ModuleInst *moduleinst) {
 	(void)moduleinst;
 	/* TODO: implement */

diff --git a/src/wasmjit/emscripten_runtime_def.h b/src/wasmjit/emscripten_runtime_def.h
@@ -96,6 +96,7 @@ DEFINE_EMSCRIPTEN_FUNCTION(___syscall10, VALTYPE_I32, 2, VALTYPE_I32, VALTYPE_I3
 DEFINE_EMSCRIPTEN_FUNCTION(___syscall102, VALTYPE_I32, 2, VALTYPE_I32, VALTYPE_I32)
 DEFINE_EMSCRIPTEN_FUNCTION(___syscall221, VALTYPE_I32, 2, VALTYPE_I32, VALTYPE_I32)
 DEFINE_EMSCRIPTEN_FUNCTION(___syscall12, VALTYPE_I32, 2, VALTYPE_I32, VALTYPE_I32)
+DEFINE_EMSCRIPTEN_FUNCTION(___syscall122, VALTYPE_I32, 2, VALTYPE_I32, VALTYPE_I32)
 END_FUNCTION_DEFS()
 
 DEFINE_WASM_START_FUNCTION(wasmjit_emscripten_start_func)