| /* |
| * Copyright (c) 2015 The Native Client Authors. All rights reserved. |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| #include "native_client/src/include/build_config.h" |
| #include "native_client/src/trusted/service_runtime/include/bits/nacl_syscalls.h" |
| #include "native_client/src/trusted/service_runtime/nacl_config.h" |
| |
| /* |
| * This is a tiny program that contains only a code section and no other |
| * non-code sections at all. It just exits successfully. |
| */ |
| |
| .text |
| .globl _start |
| _start: |
| #if NACL_ARCH(NACL_BUILD_ARCH) == NACL_x86 |
| |
| xor %edi, %edi |
| push %edi |
| call NACL_SYSCALL_ADDR(NACL_sys_exit) |
| hlt |
| |
| #elif NACL_ARCH(NACL_BUILD_ARCH) == NACL_arm |
| |
| movw ip, #:lower16:(NACL_SYSCALL_ADDR(NACL_sys_exit)) |
| movt ip, #:upper16:(NACL_SYSCALL_ADDR(NACL_sys_exit)) |
| mov r0, #0 |
| sfi_blx ip |
| .inst NACL_HALT_OPCODE |
| |
| #elif NACL_ARCH(NACL_BUILD_ARCH) == NACL_mips |
| |
| lui $t9, %hi(NACL_SYSCALL_ADDR(NACL_sys_exit)) |
| addiu $t9, $t9, %lo(NACL_SYSCALL_ADDR(NACL_sys_exit)) |
| addu $a0, $zero, $s0 |
| nop |
| |
| nop |
| and $t9, $t9, $t6 |
| jalr $t9 |
| nop |
| |
| #else /* NACL_ARCH(NACL_BUILD_ARCH) */ |
| |
| # error Unknown platform! |
| |
| #endif /* NACL_ARCH(NACL_BUILD_ARCH) */ |
