forked from KolibriOS/kolibrios
62 lines
1.2 KiB
C
62 lines
1.2 KiB
C
/*
|
|
* crt1.c
|
|
* This file has no copyright assigned and is placed in the Public Domain.
|
|
* This file is a part of the mingw-runtime package.
|
|
* No warranty is given; refer to the file DISCLAIMER within the package.
|
|
*
|
|
* Source code for the startup proceedures used by all programs. This code
|
|
* is compiled to make crt1.o, which should be located in the library path.
|
|
*
|
|
*/
|
|
|
|
/* Hide the declaration of _fmode with dllimport attribute in stdlib.h to
|
|
avoid problems with older GCC. */
|
|
|
|
#include <newlib.h>
|
|
#include <stdint.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <stdio.h>
|
|
|
|
|
|
typedef void (*ctp)();
|
|
static void __do_global_ctors ()
|
|
{
|
|
extern int __CTOR_LIST__;
|
|
int *c = &__CTOR_LIST__;
|
|
c++;
|
|
while (*c)
|
|
{
|
|
ctp d = (ctp)*c;
|
|
(d)();
|
|
c++;
|
|
}
|
|
}
|
|
|
|
void *load_libc();
|
|
void __main (){};
|
|
|
|
void* get_entry_point(void *raw);
|
|
|
|
void __attribute__((noreturn))
|
|
__crt_startup (void)
|
|
{
|
|
struct app_hdr *header;
|
|
void *img;
|
|
void __attribute__((noreturn)) (*entry)(void *img);
|
|
|
|
img = load_libc();
|
|
|
|
if(img == NULL)
|
|
{
|
|
asm("int3");
|
|
asm ("int $0x40" ::"a"(-1));
|
|
};
|
|
|
|
entry = get_entry_point(img);
|
|
entry(img);
|
|
}
|
|
|
|
|
|
|