Subversion Repositories openrisc_2011-10-31

/** Linux startup code for the ARM processor.

 * Written by Shaun Jackman <sjackman@gmail.com>.

 * Copyright 2006 Pathway Connectivity

 *

 * Permission to use, copy, modify, and distribute this software

 * is freely granted, provided that this notice is preserved.

 */

#include <stdlib.h>

#include <unistd.h>

static int _main(int argc, char *argv[]) __attribute__((noreturn));

#if __thumb__ && !__thumb2__

asm("\n"

        ".code 32\n"

        ".global _start\n"

        ".type _start, %function\n"

        "_start:\n"

        "\tadr r0, _start_thumb+1\n"

        "\tbx r0\n"

        ".size _start, .-_start\n");

__attribute__((naked, used))

static void _start_thumb(void)

#else

__attribute__((naked))

void _start(void)

#endif

{

        register int *sp asm("sp");

        _main(*sp, (char **)(sp + 1));

}

static int _main(int argc, char *argv[])

{

        environ = argv + argc + 1;

        exit(main(argc, argv, environ));

}