| /* |
| * Copyright (C) 2012 The Android Open Source Project |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in |
| * the documentation and/or other materials provided with the |
| * distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS |
| * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE |
| * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, |
| * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
| * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS |
| * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED |
| * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
| * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT |
| * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| * SUCH DAMAGE. |
| */ |
| |
| #include <sys/cdefs.h> |
| |
| extern unsigned __linker_init(void* raw_args); |
| |
| __LIBC_HIDDEN__ void _start() { |
| void (*start)(void); |
| |
| void* raw_args = (void*) ((uintptr_t) __builtin_frame_address(0) + sizeof(void*)); |
| start = (void(*)(void))__linker_init(raw_args); |
| |
| /* linker init returns (%eax) the _entry address in the main image */ |
| /* entry point expects sp to point to raw_args */ |
| |
| __asm__ ( |
| "mov %0, %%esp\n\t" |
| "jmp *%1\n\t" |
| : : "r"(raw_args), "r"(start) : |
| ); |
| |
| /* Unreachable */ |
| } |
| |
| /* Since linker has its own version of crtbegin (this file) it should have */ |
| /* own version of __stack_chk_fail_local for the case when it's built with */ |
| /* stack protector feature */ |
| |
| #include "arch-x86/bionic/__stack_chk_fail_local.h" |