feat: Additional syscalls

runtime/src/libc/syscall.c

@@ -723,16 +723,18 @@ inner_syscall_handler(int32_t n, int32_t a, int32_t b, int32_t c, int32_t d, int
 		return wasm_mmap(a, b, c, d, e, f);
 	case SYS_GET_TIME:
 		return wasm_get_time(a, b);
+	case SYS_READV:
+		return wasm_readv(a, b, c);
 	case SYS_MUNMAP:
 	case SYS_IOCTL:
 	case SYS_SET_THREAD_AREA:
 	case SYS_SET_TID_ADDRESS:
 	case SYS_BRK:
+	case SYS_MADVISE:
 		/* Note: These are called, but are unimplemented and fail silently */
 		return 0;
 	case SYS_RT_SIGACTION:
 	case SYS_RT_SIGPROGMASK:
-	case SYS_MADVISE:
 	default:
 		/* This is a general catch all for the other functions below */
 		debuglog("Call to unknown or implemented syscall %d\n", n);
@@ -740,8 +742,6 @@ inner_syscall_handler(int32_t n, int32_t a, int32_t b, int32_t c, int32_t d, int
 		return -1;
 
 		/* TODO: The calls below need to be validated / refactored to be non-blocking */
-		// case SYS_READV:
-		// 	return wasm_readv(a, b, c);
 		// case SYS_OPEN:
 		// 	return wasm_open(a, b, c);
 		// case SYS_STAT: