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authorUlrich Drepper <drepper@redhat.com>2004-12-22 20:10:10 +0000
committerUlrich Drepper <drepper@redhat.com>2004-12-22 20:10:10 +0000
commita334319f6530564d22e775935d9c91663623a1b4 (patch)
treeb5877475619e4c938e98757d518bb1e9cbead751 /sysdeps/hppa/elf/start.S
parent0ecb606cb6cf65de1d9fc8a919bceb4be476c602 (diff)
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(CFLAGS-tst-align.c): Add -mpreferred-stack-boundary=4.
Diffstat (limited to 'sysdeps/hppa/elf/start.S')
-rw-r--r--sysdeps/hppa/elf/start.S97
1 files changed, 97 insertions, 0 deletions
diff --git a/sysdeps/hppa/elf/start.S b/sysdeps/hppa/elf/start.S
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+/* ELF startup code for HPPA.
+   Copyright (C) 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.
+
+   In addition to the permissions in the GNU Lesser 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 GNU Lesser 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.)
+
+   Note that people who make modified versions of this file are not
+   obligated to grant this special exception for their modified
+   versions; it is their choice whether to do so. The GNU Lesser
+   General Public License gives permission to release a modified
+   version without this exception; this exception also makes it
+   possible to release a modified version which carries forward this
+   exception.
+
+   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.  */
+
+	.text
+
+	.align 4
+
+	.import main, code
+	.import $global$, data
+	.import __libc_start_main, code
+	.import __libc_csu_fini, code
+	.import __libc_csu_init, code
+
+	.globl _start
+	.export _start, ENTRY
+	.type _start,@function
+_start:
+
+	.proc
+	.callinfo
+
+	/* load main */
+	ldil	LP%main, %r26
+	ldo	RP%main(%r26), %r26
+
+	/* argc and argv should be in 25 and 24 */
+
+	/* Expand the stack to store the 5th through 7th args */
+	ldo	64(%sp), %sp
+
+	/* void (*rtld_fini) (void) (actually the 6th arg) */
+	stw	%r23, -56(%sp)
+
+	/* void (*init) (void) */
+	ldil	LP%__libc_csu_init, %r23
+	ldo	RP%__libc_csu_init(%r23), %r23
+
+	/* void (*fini) (void) */
+	ldil	LP%__libc_csu_fini, %r22
+	ldo	RP%__libc_csu_fini(%r22), %r22
+	stw	%r22, -52(%sp)
+
+	/* void *stack_end */
+	stw	%sp, -60(%sp)
+
+	/* load global */
+	ldil	L%$global$, %dp
+	ldo	R%$global$(%dp), %dp
+
+	bl	__libc_start_main,%r2
+	nop
+	/* die horribly if it returned (it shouldn't) */
+	iitlbp %r0,(%r0)
+	nop
+
+	.procend
+
+/* Define a symbol for the first piece of initialized data.  */
+	.data
+	.globl __data_start
+__data_start:
+	.long 0
+	.weak data_start
+	data_start = __data_start