/*
* Copyright (c) 2018 CZ.NIC, z.s.p.o.
* 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.
* - The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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 "../private/libc.h"
/*
* We shouldn't be accessing these symbols directly from libc,
* since it would create unwanted relocations in shared library
* code. Instead, we refer to them here, in a file that's always
* statically linked to the main executable, and write their values
* to a special structure that resides in libc.
*/
extern init_array_entry_t __preinit_array_start[] __attribute__((weak));
extern init_array_entry_t __preinit_array_end[] __attribute__((weak));
extern init_array_entry_t __init_array_start[] __attribute__((weak));
extern init_array_entry_t __init_array_end[] __attribute__((weak));
extern fini_array_entry_t __fini_array_start[] __attribute__((weak));
extern fini_array_entry_t __fini_array_end[] __attribute__((weak));
extern int main(int, char *[]);
extern unsigned char __executable_start[];
extern unsigned char _end[];
/* __c_start is only called from _start in assembly. */
void __c_start(void *);
void __c_start(void *pcb)
{
__progsymbols = (progsymbols_t) {
.main = main,
.elfstart = __executable_start,
.end = _end,
.preinit_array = __preinit_array_start,
.preinit_array_len = __preinit_array_end - __preinit_array_start,
.init_array = __init_array_start,
.init_array_len = __init_array_end - __init_array_start,
.fini_array = __fini_array_start,
.fini_array_len = __fini_array_end - __fini_array_start,
};
__libc_main(pcb);
}