mirror of
https://sourceware.org/git/glibc.git
synced 2024-12-22 19:00:07 +00:00
df0f2bf8cc
* sysdeps/powerpc/bits/setjmp.h (JB_SIZE): New constant. * sysdeps/powerpc/elf/libc-start.c (__libc_start_main): Wrap bounds around argv & envp and each of their string members. * sysdeps/powerpc/elf/start.S: Designate BP symbols. * sysdeps/unix/sysv/linux/powerpc/brk.S: Wrap entry-point symbol in BP_SYM (). Discard bounds of address arg. * sysdeps/unix/sysv/linux/powerpc/clone.S: Likewise. * sysdeps/unix/sysv/linux/powerpc/mmap64.c (__mmap64): Discard bounds on address arg, add bounds to return value. 2000-07-21 Greg McGary <greg@mcgary.org> * sysdeps/powerpc/bp-asm.h (DISCARD_BOUNDS): Rename from UNCHECK_BOUNDS. * sysdeps/powerpc/bits/setjmp.h (JB_SIZE): New constant. * sysdeps/powerpc/elf/libc-start.c (__libc_start_main): Wrap bounds around argv & envp and each of their string members. * sysdeps/powerpc/elf/start.S: Designate BP symbols. * sysdeps/unix/sysv/linux/powerpc/brk.S: Wrap entry-point symbol in BP_SYM (). Discard bounds of address arg. * sysdeps/unix/sysv/linux/powerpc/clone.S: Likewise. * sysdeps/unix/sysv/linux/powerpc/mmap64.c (__mmap64): Discard bounds on address arg, add bounds to return value.
66 lines
2.4 KiB
ArmAsm
66 lines
2.4 KiB
ArmAsm
/* Startup code for programs linked with GNU libc.
|
|
Copyright (C) 1998, 1999, 2000 Free Software Foundation, Inc.
|
|
This file is part of the GNU C Library.
|
|
|
|
The GNU C Library is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU Library General Public License as
|
|
published by the Free Software Foundation; either version 2 of the
|
|
License, or (at your option) any later version.
|
|
|
|
In addition to the permissions in the GNU Library General Public
|
|
License, the Free Software Foundation gives you unlimited
|
|
permission to link the compiled version of this file with other
|
|
programs, and to distribute those programs without any restriction
|
|
coming from the use of this file. (The Library General Public
|
|
License restrictions do apply in other respects; for example, they
|
|
cover modification of the file, and distribution when not linked
|
|
into another program.)
|
|
|
|
The GNU C Library is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
Library General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Library General Public
|
|
License along with the GNU C Library; see the file COPYING.LIB. If not,
|
|
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
|
|
Boston, MA 02111-1307, USA. */
|
|
|
|
#include <sysdep.h>
|
|
#include "bp-sym.h"
|
|
|
|
/* These are the various addresses we require. */
|
|
.section ".rodata"
|
|
.align 2
|
|
weak_extern(_init)
|
|
weak_extern(_fini)
|
|
L(start_addresses):
|
|
.long _SDA_BASE_
|
|
.long JUMPTARGET(BP_SYM (main))
|
|
.long JUMPTARGET(_init)
|
|
.long JUMPTARGET(_fini)
|
|
ASM_SIZE_DIRECTIVE(L(start_addresses))
|
|
|
|
.section ".text"
|
|
ENTRY(_start)
|
|
/* Save the stack pointer, in case we're statically linked under Linux. */
|
|
mr r9,r1
|
|
/* Set up an initial stack frame, and clear the LR. */
|
|
clrrwi r1,r1,4
|
|
li r0,0
|
|
stwu r1,-16(r1)
|
|
mtlr r0
|
|
stw r0,0(r1)
|
|
/* Set r13 to point at the 'small data area', and put the address of
|
|
start_addresses in r8... */
|
|
lis r8,L(start_addresses)@ha
|
|
lwzu r13,L(start_addresses)@l(r8)
|
|
/* and continue in libc-start, in glibc. */
|
|
b JUMPTARGET(BP_SYM (__libc_start_main))
|
|
END(_start)
|
|
|
|
/* Define a symbol for the first piece of initialized data. */
|
|
.section ".data"
|
|
__data_start:
|
|
weak_alias (__data_start, data_start)
|