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Fix some compile warnings and update document (#670)

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And implement clock_gettime wrapper for libc-built.
This commit is contained in:
Wenyong Huang
2021-07-22 19:39:53 +08:00
committed by GitHub
parent 04e7afe55d
commit 28f104036c
5 changed files with 35 additions and 11 deletions
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23
core/iwasm/libraries/libc-builtin/libc_builtin_wrapper.c
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@ -1068,6 +1068,28 @@ __cxa_throw_wrapper(wasm_exec_env_t exec_env,
wasm_runtime_set_exception(module_inst, buf);
}
struct timespec_app {
int64 tv_sec;
int32 tv_nsec;
};
static uint32
clock_gettime_wrapper(wasm_exec_env_t exec_env,
uint32 clk_id, struct timespec_app *ts_app)
{
wasm_module_inst_t module_inst = get_module_inst(exec_env);
uint64 time;
if (!validate_native_addr(ts_app, sizeof(struct timespec_app)))
return (uint32)-1;
time = os_time_get_boot_microsecond();
ts_app->tv_sec = time / 1000000;
ts_app->tv_nsec = (time % 1000000) * 1000;
return (uint32)0;
}
#if WASM_ENABLE_SPEC_TEST != 0
static void
print_wrapper(wasm_exec_env_t exec_env)
@ -1167,6 +1189,7 @@ static NativeSymbol native_symbols_libc_builtin[] = {
REG_NATIVE_FUNC(__cxa_allocate_exception, "(i)i"),
REG_NATIVE_FUNC(__cxa_begin_catch, "(*)"),
REG_NATIVE_FUNC(__cxa_throw, "(**i)"),
REG_NATIVE_FUNC(clock_gettime, "(i*)i"),
};
#if WASM_ENABLE_SPEC_TEST != 0