crt.c File Reference

#include "crt.h"
#include <stddef.h>
#include <stdint.h>
#include <string.h>

Include dependency graph for crt.c:

Go to the source code of this file.

Functions
void	__libc_fini_array (void)
void	CRTStartup (void)

Variables
int	__bss_start__
int	__bss_end__
void(*	__preinit_array_start [])(void)

Function Documentation

__libc_fini_array()

void __libc_fini_array

(

void

)

Definition at line 30 of file crt.c.

{
    size_t count = __fini_array_end - __fini_array_start;
    for(size_t i = count - 1; i > 0; i--)
    {
        __fini_array_start[i]();
    }
}

CRTStartup()

void CRTStartup

(

void

)

Definition at line 39 of file crt.c.

{
    memset(&__bss_start__, 0, (uintptr_t)&__bss_end__ - (uintptr_t)&__bss_start__);

    __libc_init_array();

    // TODO: handle relocs?
}

References __bss_end__, __bss_start__, __libc_init_array(), and memset().

Variable Documentation

__bss_end__

int __bss_end__

Referenced by CRTStartup().

__bss_start__

int __bss_start__

Referenced by CRTStartup().

__preinit_array_start

void(* __preinit_array_start[])(void)