/* Startup code for programs linked with GNU libc. PowerPC64 version. Copyright (C) 1998, 1999, 2000, 2001, 2002 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 Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. 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 Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with the GNU C Library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. */ #include #include "bp-sym.h" /* These are the various addresses we require. */ .section ".rodata" .align 3 L(start_addresses): .quad 0 /* was _SDA_BASE_ but not in 64-bit ABI*/ /* function descriptors so don't need JUMPTARGET */ .quad BP_SYM(main) .quad __libc_csu_init .quad __libc_csu_fini ASM_SIZE_DIRECTIVE(L(start_addresses)) .section ".toc","aw" .L01: .tc L(start_addresses)[TC],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. */ clrrdi r1,r1,4 li r0,0 stdu r1,-128(r1) mtlr r0 std r0,0(r1) /* put the address of start_addresses in r8... ** ** PPC64 ABI uses R13 for thread local, so we leave it alone */ ld r8,.L01(r2) /* 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" .globl __data_start __data_start: weak_alias (__data_start, data_start)