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f212e8dcf8
* sysdeps/alpha/dl-machine.h (RTLD_START): Fix top-of-stack backtrace.
* sysdeps/unix/sysv/linux/alpha/clone.S: Likewise.
* sysdeps/alpha/elf/start.S: Likewise. Remove pointless allocation.
* sysdeps/unix/sysv/linux/alpha/rt_sigaction.S: Use standard ldgp
entry sequence and explicit relocs. Add unwind info for sigreturn
and rt_sigreturn.
* configure.in (libc_cv_asm_cfi_directives): Test .cfi_remember_state.
* configure: Regenerate.
70 lines
2.0 KiB
ArmAsm
70 lines
2.0 KiB
ArmAsm
/* Startup code for Alpha/ELF.
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Copyright (C) 1993, 1995, 1996, 1997, 1998, 2000, 2001, 2002, 2003
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Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by Richard Henderson <rth@tamu.edu>
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, write to the Free
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA. */
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#include <sysdep.h>
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.text
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.align 3
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.globl _start
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.ent _start, 0
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.type _start,@function
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_start:
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.frame $31, 0, $31
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br gp, 1f
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1: ldgp gp, 0(gp)
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subq sp, 16, sp
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.prologue 0
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/* Load address of the user's main function. */
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lda a0, main
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ldl a1, 16(sp) /* get argc */
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lda a2, 24(sp) /* get argv */
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/* Load address of our own entry points to .fini and .init. */
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lda a3, __libc_csu_init
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lda a4, __libc_csu_fini
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/* Store address of the shared library termination function. */
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mov v0, a5
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/* Provide the highest stack address to the user code. */
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stq sp, 0(sp)
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/* Call the user's main function, and exit with its value.
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But let the libc call main. */
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jsr ra, __libc_start_main
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/* Die very horribly if exit returns. Call_pal hlt is callable from
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kernel mode only; this will result in an illegal instruction trap. */
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call_pal 0
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.end _start
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/* For ECOFF backwards compatibility. */
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weak_alias(_start, __start)
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/* Define a symbol for the first piece of initialized data. */
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.data
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.globl __data_start
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__data_start:
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.weak data_start
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data_start = __data_start
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