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/* Startup code compliant to the ELF CRIS ABI */
/* The first piece of initialized data. */
int __data_start = 0;
static void start1 (int argc, char **argv) __attribute__ ((used, noreturn));
/*
* It is important that this be the first function.
* This file is the first thing in the text section.
* This is implemented completely in assembler to avoid that the
* compiler pushes stuff on the stack (e.g. the frame pointer when
* debuging).
*/
/*
* On the stack we have argc. We can calculate argv/envp
* from that and the succeeding stack location, but fix so
* we get the right calling convention (regs in r10/r11).
*
* Please view linux/fs/binfmt_elf.c for a complete
* understanding of this.
*/
__asm__ ( \
".text\n\t" \
".global _start\n\t" \
"_start:\n\t" \
"pop $r10\n\t" \
"move.d $sp, $r11\n\t" \
"jump start1\n\t");
#include <features.h>
extern void __uClibc_main(int argc, char **argv, char **envp)
__attribute__ ((__noreturn__));
extern void __uClibc_start_main(int argc, char **argv, char **envp,
void (*app_init)(void), void (*app_fini)(void))
__attribute__ ((__noreturn__));
extern void weak_function _init(void);
extern void weak_function _fini(void);
/* Stick in a dummy reference to main(), so that if an application
* is linking when the main() function is in a static library (.a)
* we can be sure that main() actually gets linked in */
extern void main(int argc,void *argv,void *envp);
void (*__mainp)(int argc,void *argv,void *envp) = main;
static void
start1 (int argc, char **argv)
{
char** environ;
/* The environment starts just after ARGV. */
environ = &argv[argc + 1];
/*
* If the first thing after ARGV is the arguments
* themselves, there is no environment.
*/
if ((char *) environ == *argv)
/*
* The environment is empty. Make environ
* point at ARGV[ARGC], which is NULL.
*/
--environ;
#if defined L_crt0 || ! defined __UCLIBC_CTOR_DTOR__
/* Leave control to the libc */
__uClibc_main(argc, argv, environ);
#else
__uClibc_start_main(argc, argv, environ, _init, _fini);
#endif
}
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