57 lines
2.1 KiB
C
Executable File
57 lines
2.1 KiB
C
Executable File
/*
|
|
* 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 <stdint.h>
|
|
|
|
extern unsigned __linker_init(unsigned int *elfdata);
|
|
|
|
__attribute__((visibility("hidden")))
|
|
void _start() {
|
|
void (*start)(void);
|
|
|
|
void* elfdata = (void*) ((uintptr_t) __builtin_frame_address(0) + sizeof(void*));
|
|
start = (void(*)(void))__linker_init(elfdata);
|
|
|
|
/* linker init returns (%eax) the _entry address in the main image */
|
|
/* entry point expects sp to point to elfdata */
|
|
|
|
__asm__ (
|
|
"mov %0, %%esp\n\t"
|
|
"jmp *%1\n\t"
|
|
: : "r"(elfdata), "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"
|