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authorAndreas Jaeger <jaegerandi@gmail.com>2012-03-28 09:22:05 +0200
committerAndreas Jaeger <jaegerandi@gmail.com>2012-03-28 09:22:05 +0200
commit02380086699207fc8e58619f35f60da12470137e (patch)
tree9b337733100552d829ccce5beea1cfb3fe5e5532 /sysdeps/powerpc/powerpc64/start.S
parent09ae94c11b4309b425fbbfaa095e64cac2ae8cb8 (diff)
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Move sysdeps/powerpc/powerpc64/elf files
	* sysdeps/powerpc/powerpc64/elf/bzero.S: Moved to ...
	* sysdeps/powerpc/powerpc64/bzero.S: ... here.
	* sysdeps/powerpc/powerpc64/elf/entry.h: Moved to ...
	* sysdeps/powerpc/powerpc64/entry.h: ... here.
	* sysdeps/powerpc/powerpc64/elf/start.S: Moved to ...
	* sysdeps/powerpc/powerpc64/start.S: here.
	* sysdeps/powerpc/powerpc64/elf/Makefile: Merge into ...
	* sysdeps/powerpc/powerpc64/Makefile: ... this.
	* sysdeps/powerpc/powerpc64/elf/configure.in: Merge into ...
	* sysdeps/powerpc/powerpc64/configure.in: ... this.
	* sysdeps/powerpc/powerpc64/elf/configure: Delete file.
Diffstat (limited to 'sysdeps/powerpc/powerpc64/start.S')
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diff --git a/sysdeps/powerpc/powerpc64/start.S b/sysdeps/powerpc/powerpc64/start.S
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+/* Startup code for programs linked with GNU libc.  PowerPC64 version.
+   Copyright (C) 1998,1999,2000,2001,2002,2003,2009
+   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, see
+   <http://www.gnu.org/licenses/>.  */
+
+#include <sysdep.h>
+#include "bp-sym.h"
+
+ /* These are the various addresses we require.  */
+#ifdef PIC
+	.section ".data.rel.ro.local","aw"
+#else
+	.section ".rodata"
+#endif
+	.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))
+/* The linker needs this nop to recognize that it's OK to call via a
+   TOC adjusting stub.  */
+	nop
+
+END(_start)
+
+/* Define a symbol for the first piece of initialized data.  */
+	.section ".data"
+	.globl	__data_start
+__data_start:
+	.long	0
+weak_alias (__data_start, data_start)