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[PATCH 07/13] Move sysdeps/powerpc/powerpc64/elf files
- From: Andreas Jaeger <aj at suse dot de>
- To: libc-alpha at sourceware dot org
- Cc: Andreas Jaeger <aj at suse dot de>
- Date: Fri, 23 Mar 2012 17:37:27 +0100
- Subject: [PATCH 07/13] Move sysdeps/powerpc/powerpc64/elf files
- References: <remove-elf-20120323><1332520653-2774-1-git-send-email-aj@suse.de>
* 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.
---
sysdeps/powerpc/powerpc64/Makefile | 10 ++
sysdeps/powerpc/powerpc64/bzero.S | 20 ++++
sysdeps/powerpc/powerpc64/configure.in | 53 ++++++++++
sysdeps/powerpc/powerpc64/elf/Makefile | 11 --
sysdeps/powerpc/powerpc64/elf/bzero.S | 20 ----
sysdeps/powerpc/powerpc64/elf/configure | 148 ----------------------------
sysdeps/powerpc/powerpc64/elf/configure.in | 55 ----------
sysdeps/powerpc/powerpc64/elf/entry.h | 33 ------
sysdeps/powerpc/powerpc64/elf/start.S | 87 ----------------
sysdeps/powerpc/powerpc64/entry.h | 33 ++++++
sysdeps/powerpc/powerpc64/start.S | 87 ++++++++++++++++
11 files changed, 203 insertions(+), 354 deletions(-)
create mode 100644 sysdeps/powerpc/powerpc64/bzero.S
delete mode 100644 sysdeps/powerpc/powerpc64/elf/Makefile
delete mode 100644 sysdeps/powerpc/powerpc64/elf/bzero.S
delete mode 100644 sysdeps/powerpc/powerpc64/elf/configure
delete mode 100644 sysdeps/powerpc/powerpc64/elf/configure.in
delete mode 100644 sysdeps/powerpc/powerpc64/elf/entry.h
delete mode 100644 sysdeps/powerpc/powerpc64/elf/start.S
create mode 100644 sysdeps/powerpc/powerpc64/entry.h
create mode 100644 sysdeps/powerpc/powerpc64/start.S
diff --git a/sysdeps/powerpc/powerpc64/Makefile b/sysdeps/powerpc/powerpc64/Makefile
index 01889e1..171e89b 100644
--- a/sysdeps/powerpc/powerpc64/Makefile
+++ b/sysdeps/powerpc/powerpc64/Makefile
@@ -25,6 +25,16 @@ no-special-regs := $(sort $(foreach n,40 41 50 51 60 61 62 63 \
-ffixed-v$n)) \
-ffixed-vrsave -ffixed-vscr -mno-altivec -mno-vsx
+# Need to prevent gcc from using fprs in code used during dynamic linking.
+
+CFLAGS-dl-runtime.os = $(no-special-regs)
+CFLAGS-dl-lookup.os = $(no-special-regs)
+CFLAGS-dl-misc.os = $(no-special-regs)
+CFLAGS-rtld-mempcpy.os = $(no-special-regs)
+CFLAGS-rtld-memmove.os = $(no-special-regs)
+CFLAGS-rtld-memchr.os = $(no-special-regs)
+CFLAGS-rtld-strnlen.os = $(no-special-regs)
+
ifeq ($(subdir),csu)
sysdep_routines += hp-timing
elide-routines.os += hp-timing
diff --git a/sysdeps/powerpc/powerpc64/bzero.S b/sysdeps/powerpc/powerpc64/bzero.S
new file mode 100644
index 0000000..b79f885
--- /dev/null
+++ b/sysdeps/powerpc/powerpc64/bzero.S
@@ -0,0 +1,20 @@
+/* Optimized bzero `implementation' for PowerPC64.
+ Copyright (C) 1997, 1999, 2000, 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, see
+ <http://www.gnu.org/licenses/>. */
+
+/* This code was moved into memset.S to solve a double stub call problem.
+ @local would have worked but it is not supported in PowerPC64 asm. */
diff --git a/sysdeps/powerpc/powerpc64/configure.in b/sysdeps/powerpc/powerpc64/configure.in
index 67aac66..7d333a7 100644
--- a/sysdeps/powerpc/powerpc64/configure.in
+++ b/sysdeps/powerpc/powerpc64/configure.in
@@ -40,3 +40,56 @@ rm -f conftest.c conftest.s
if test x$libc_cv_overlapping_opd = xyes; then
AC_DEFINE(USE_PPC64_OVERLAPPING_OPD)
fi
+
+# Check for support of thread-local storage handling in assembler and
+# linker.
+AC_CACHE_CHECK(for powerpc64 TLS support, libc_cv_powerpc64_tls, [dnl
+cat > conftest.s <<\EOF
+ .section ".tdata","awT",@progbits
+x: .quad 1
+x1: .quad 1
+x2: .quad 1
+x3: .quad 1
+x4: .long 1
+ .section ".toc","aw"
+.LC0:
+ .quad x@dtpmod
+ .quad x@dtprel
+.LC1:
+ .quad x1@dtpmod
+ .quad 0
+.LC2:
+ .quad x@tprel
+ .text
+ addi 3,2,x@got@tlsgd
+ addi 3,2,.LC0@toc
+ addi 3,2,x1@got@tlsld
+ addi 9,3,x1@dtprel
+ addis 9,3,x2@dtprel@ha
+ addi 9,9,x2@dtprel@l
+ ld 9,x3@got@dtprel(2)
+ addi 3,2,.LC0@toc
+ lwz 0,x1@dtprel(3)
+ ld 0,x1@dtprel(3)
+ addis 9,3,x2@dtprel@ha
+ lwz 0,x2@dtprel@l(9)
+ ld 0,x2@dtprel@l(9)
+ ld 9,x3@got@dtprel(2)
+ ld 9,x@got@tprel(2)
+ add 9,9,x@tls
+ ld 9,.LC2@toc(2)
+ add 9,9,.LC2@tls
+ addi 9,13,x1@tprel
+ addis 9,13,x2@tprel@ha
+ addi 9,9,x2@tprel@l
+EOF
+dnl
+if AC_TRY_COMMAND(${CC-cc} -c $CFLAGS conftest.s 1>&AS_MESSAGE_LOG_FD); then
+ libc_cv_powerpc64_tls=yes
+else
+ libc_cv_powerpc64_tls=no
+fi
+rm -f conftest*])
+if test $libc_cv_powerpc64_tls = no; then
+ AC_MSG_ERROR([the assembler must support TLS])
+fi
diff --git a/sysdeps/powerpc/powerpc64/elf/Makefile b/sysdeps/powerpc/powerpc64/elf/Makefile
deleted file mode 100644
index 6a77e11..0000000
--- a/sysdeps/powerpc/powerpc64/elf/Makefile
+++ /dev/null
@@ -1,11 +0,0 @@
-# powerpc64/ELF specific definitions.
-
-# Need to prevent gcc from using fprs in code used during dynamic linking.
-
-CFLAGS-dl-runtime.os = $(no-special-regs)
-CFLAGS-dl-lookup.os = $(no-special-regs)
-CFLAGS-dl-misc.os = $(no-special-regs)
-CFLAGS-rtld-mempcpy.os = $(no-special-regs)
-CFLAGS-rtld-memmove.os = $(no-special-regs)
-CFLAGS-rtld-memchr.os = $(no-special-regs)
-CFLAGS-rtld-strnlen.os = $(no-special-regs)
diff --git a/sysdeps/powerpc/powerpc64/elf/bzero.S b/sysdeps/powerpc/powerpc64/elf/bzero.S
deleted file mode 100644
index b79f885..0000000
--- a/sysdeps/powerpc/powerpc64/elf/bzero.S
+++ /dev/null
@@ -1,20 +0,0 @@
-/* Optimized bzero `implementation' for PowerPC64.
- Copyright (C) 1997, 1999, 2000, 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, see
- <http://www.gnu.org/licenses/>. */
-
-/* This code was moved into memset.S to solve a double stub call problem.
- @local would have worked but it is not supported in PowerPC64 asm. */
diff --git a/sysdeps/powerpc/powerpc64/elf/configure b/sysdeps/powerpc/powerpc64/elf/configure
deleted file mode 100644
index a3d24a3..0000000
--- a/sysdeps/powerpc/powerpc64/elf/configure
+++ /dev/null
@@ -1,148 +0,0 @@
-
-# as_fn_set_status STATUS
-# -----------------------
-# Set $? to STATUS, without forking.
-as_fn_set_status ()
-{
- return $1
-} # as_fn_set_status
-
-# as_fn_exit STATUS
-# -----------------
-# Exit the shell with STATUS, even in a "trap 0" or "set -e" context.
-as_fn_exit ()
-{
- set +e
- as_fn_set_status $1
- exit $1
-} # as_fn_exit
-if expr a : '\(a\)' >/dev/null 2>&1 &&
- test "X`expr 00001 : '.*\(...\)'`" = X001; then
- as_expr=expr
-else
- as_expr=false
-fi
-
-if (basename -- /) >/dev/null 2>&1 && test "X`basename -- / 2>&1`" = "X/"; then
- as_basename=basename
-else
- as_basename=false
-fi
-
-as_me=`$as_basename -- "$0" ||
-$as_expr X/"$0" : '.*/\([^/][^/]*\)/*$' \| \
- X"$0" : 'X\(//\)$' \| \
- X"$0" : 'X\(/\)' \| . 2>/dev/null ||
-$as_echo X/"$0" |
- sed '/^.*\/\([^/][^/]*\)\/*$/{
- s//\1/
- q
- }
- /^X\/\(\/\/\)$/{
- s//\1/
- q
- }
- /^X\/\(\/\).*/{
- s//\1/
- q
- }
- s/.*/./; q'`
-
-
- as_lineno_1=$LINENO as_lineno_1a=$LINENO
- as_lineno_2=$LINENO as_lineno_2a=$LINENO
- eval 'test "x$as_lineno_1'$as_run'" != "x$as_lineno_2'$as_run'" &&
- test "x`expr $as_lineno_1'$as_run' + 1`" = "x$as_lineno_2'$as_run'"' || {
- # Blame Lee E. McMahon (1931-1989) for sed's syntax. :-)
- sed -n '
- p
- /[$]LINENO/=
- ' <$as_myself |
- sed '
- s/[$]LINENO.*/&-/
- t lineno
- b
- :lineno
- N
- :loop
- s/[$]LINENO\([^'$as_cr_alnum'_].*\n\)\(.*\)/\2\1\2/
- t loop
- s/-\n.*//
- ' >$as_me.lineno &&
- chmod +x "$as_me.lineno" ||
- { $as_echo "$as_me: error: cannot create $as_me.lineno; rerun with a POSIX shell" >&2; as_fn_exit 1; }
-
- # Don't try to exec as it changes $[0], causing all sort of problems
- # (the dirname of $[0] is not the place where we might find the
- # original and so on. Autoconf is especially sensitive to this).
- . "./$as_me.lineno"
- # Exit status is that of the last command.
- exit
-}
-
-# This file is generated from configure.in by Autoconf. DO NOT EDIT!
- # Local configure fragment for sysdeps/powerpc64/elf.
-
-# Check for support of thread-local storage handling in assembler and
-# linker.
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for powerpc64 TLS support" >&5
-$as_echo_n "checking for powerpc64 TLS support... " >&6; }
-if ${libc_cv_powerpc64_tls+:} false; then :
- $as_echo_n "(cached) " >&6
-else
- cat > conftest.s <<\EOF
- .section ".tdata","awT",@progbits
-x: .quad 1
-x1: .quad 1
-x2: .quad 1
-x3: .quad 1
-x4: .long 1
- .section ".toc","aw"
-.LC0:
- .quad x@dtpmod
- .quad x@dtprel
-.LC1:
- .quad x1@dtpmod
- .quad 0
-.LC2:
- .quad x@tprel
- .text
- addi 3,2,x@got@tlsgd
- addi 3,2,.LC0@toc
- addi 3,2,x1@got@tlsld
- addi 9,3,x1@dtprel
- addis 9,3,x2@dtprel@ha
- addi 9,9,x2@dtprel@l
- ld 9,x3@got@dtprel(2)
- addi 3,2,.LC0@toc
- lwz 0,x1@dtprel(3)
- ld 0,x1@dtprel(3)
- addis 9,3,x2@dtprel@ha
- lwz 0,x2@dtprel@l(9)
- ld 0,x2@dtprel@l(9)
- ld 9,x3@got@dtprel(2)
- ld 9,x@got@tprel(2)
- add 9,9,x@tls
- ld 9,.LC2@toc(2)
- add 9,9,.LC2@tls
- addi 9,13,x1@tprel
- addis 9,13,x2@tprel@ha
- addi 9,9,x2@tprel@l
-EOF
-if { ac_try='${CC-cc} -c $CFLAGS conftest.s 1>&5'
- { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
- (eval $ac_try) 2>&5
- ac_status=$?
- $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
- test $ac_status = 0; }; }; then
- libc_cv_powerpc64_tls=yes
-else
- libc_cv_powerpc64_tls=no
-fi
-rm -f conftest*
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_powerpc64_tls" >&5
-$as_echo "$libc_cv_powerpc64_tls" >&6; }
-if test $libc_cv_powerpc64_tls = no; then
- as_fn_error $? "the assembler must support TLS" "$LINENO" 5
-fi
diff --git a/sysdeps/powerpc/powerpc64/elf/configure.in b/sysdeps/powerpc/powerpc64/elf/configure.in
deleted file mode 100644
index 9a375c6..0000000
--- a/sysdeps/powerpc/powerpc64/elf/configure.in
+++ /dev/null
@@ -1,55 +0,0 @@
-GLIBC_PROVIDES dnl See aclocal.m4 in the top level source directory.
-# Local configure fragment for sysdeps/powerpc64/elf.
-
-# Check for support of thread-local storage handling in assembler and
-# linker.
-AC_CACHE_CHECK(for powerpc64 TLS support, libc_cv_powerpc64_tls, [dnl
-cat > conftest.s <<\EOF
- .section ".tdata","awT",@progbits
-x: .quad 1
-x1: .quad 1
-x2: .quad 1
-x3: .quad 1
-x4: .long 1
- .section ".toc","aw"
-.LC0:
- .quad x@dtpmod
- .quad x@dtprel
-.LC1:
- .quad x1@dtpmod
- .quad 0
-.LC2:
- .quad x@tprel
- .text
- addi 3,2,x@got@tlsgd
- addi 3,2,.LC0@toc
- addi 3,2,x1@got@tlsld
- addi 9,3,x1@dtprel
- addis 9,3,x2@dtprel@ha
- addi 9,9,x2@dtprel@l
- ld 9,x3@got@dtprel(2)
- addi 3,2,.LC0@toc
- lwz 0,x1@dtprel(3)
- ld 0,x1@dtprel(3)
- addis 9,3,x2@dtprel@ha
- lwz 0,x2@dtprel@l(9)
- ld 0,x2@dtprel@l(9)
- ld 9,x3@got@dtprel(2)
- ld 9,x@got@tprel(2)
- add 9,9,x@tls
- ld 9,.LC2@toc(2)
- add 9,9,.LC2@tls
- addi 9,13,x1@tprel
- addis 9,13,x2@tprel@ha
- addi 9,9,x2@tprel@l
-EOF
-dnl
-if AC_TRY_COMMAND(${CC-cc} -c $CFLAGS conftest.s 1>&AS_MESSAGE_LOG_FD); then
- libc_cv_powerpc64_tls=yes
-else
- libc_cv_powerpc64_tls=no
-fi
-rm -f conftest*])
-if test $libc_cv_powerpc64_tls = no; then
- AC_MSG_ERROR([the assembler must support TLS])
-fi
diff --git a/sysdeps/powerpc/powerpc64/elf/entry.h b/sysdeps/powerpc/powerpc64/elf/entry.h
deleted file mode 100644
index 2a54fe7..0000000
--- a/sysdeps/powerpc/powerpc64/elf/entry.h
+++ /dev/null
@@ -1,33 +0,0 @@
-/* Finding the entry point and start of text. PowerPC64 version.
- 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.
-
- 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/>. */
-
-
-#ifndef __ASSEMBLY__
-extern void _start (void);
-#endif
-
-#define ENTRY_POINT _start
-
-/* We have to provide a special declaration. */
-#define ENTRY_POINT_DECL(class) class void _start (void);
-
-/* Use the address of ._start as the lowest address for which we need
- to keep profiling records. We can't copy the ia64 scheme as our
- entry poiny address is really the address of the function
- descriptor, not the actual function entry. */
-#define TEXT_START (((long int *) ENTRY_POINT)[0])
diff --git a/sysdeps/powerpc/powerpc64/elf/start.S b/sysdeps/powerpc/powerpc64/elf/start.S
deleted file mode 100644
index d9c92d1..0000000
--- a/sysdeps/powerpc/powerpc64/elf/start.S
+++ /dev/null
@@ -1,87 +0,0 @@
-/* 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)
diff --git a/sysdeps/powerpc/powerpc64/entry.h b/sysdeps/powerpc/powerpc64/entry.h
new file mode 100644
index 0000000..2a54fe7
--- /dev/null
+++ b/sysdeps/powerpc/powerpc64/entry.h
@@ -0,0 +1,33 @@
+/* Finding the entry point and start of text. PowerPC64 version.
+ 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.
+
+ 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/>. */
+
+
+#ifndef __ASSEMBLY__
+extern void _start (void);
+#endif
+
+#define ENTRY_POINT _start
+
+/* We have to provide a special declaration. */
+#define ENTRY_POINT_DECL(class) class void _start (void);
+
+/* Use the address of ._start as the lowest address for which we need
+ to keep profiling records. We can't copy the ia64 scheme as our
+ entry poiny address is really the address of the function
+ descriptor, not the actual function entry. */
+#define TEXT_START (((long int *) ENTRY_POINT)[0])
diff --git a/sysdeps/powerpc/powerpc64/start.S b/sysdeps/powerpc/powerpc64/start.S
new file mode 100644
index 0000000..d9c92d1
--- /dev/null
+++ b/sysdeps/powerpc/powerpc64/start.S
@@ -0,0 +1,87 @@
+/* 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)
--
1.7.7