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authorRoland McGrath <roland@gnu.org>2002-09-17 23:50:03 +0000
committerRoland McGrath <roland@gnu.org>2002-09-17 23:50:03 +0000
commitcfc91acd418d2ea62a4520b42406a16ef07257c3 (patch)
treec7d291182781c1534a03528b33d417983b8d2e54 /sysdeps/powerpc/powerpc64/elf
parentUpdate. (diff)
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2002-09-17 Steven Munroe <sjmunroe@us.ibm.com>
Ported to PowerPC64 running Linux. * sysdeps/powerpc/powerpc64/Dist: New file. * sysdeps/powerpc/powerpc64/Implies: New file. * sysdeps/powerpc/powerpc64/Makefile: New file. * sysdeps/powerpc/powerpc64/__longjmp.S: New file. * sysdeps/powerpc/powerpc64/atomicity.h: New file. * sysdeps/powerpc/powerpc64/backtrace.c: New file. * sysdeps/powerpc/powerpc64/bp-asm.h: New file. * sysdeps/powerpc/powerpc64/bsd-_setjmp.S: New file. * sysdeps/powerpc/powerpc64/bsd-setjmp.S: New file. * sysdeps/powerpc/powerpc64/dl-dtprocnum.h: New file. * sysdeps/powerpc/powerpc64/dl-lookupcfg.h: New file. * sysdeps/powerpc/powerpc64/dl-machine.c: New file. * sysdeps/powerpc/powerpc64/dl-machine.h: New file. * sysdeps/powerpc/powerpc64/memset.S: New file. * sysdeps/powerpc/powerpc64/ppc-mcount.S: New file. * sysdeps/powerpc/powerpc64/register-dump.h: New file. * sysdeps/powerpc/powerpc64/setjmp.S: New file. * sysdeps/powerpc/powerpc64/stpcpy.S: New file. * sysdeps/powerpc/powerpc64/strchr.S: New file. * sysdeps/powerpc/powerpc64/strcmp.S: New file. * sysdeps/powerpc/powerpc64/strcpy.S: New file. * sysdeps/powerpc/powerpc64/strlen.S: New file. * sysdeps/powerpc/powerpc64/elf/bzero.S: New file. * sysdeps/powerpc/powerpc64/elf/start.S: New file. * sysdeps/powerpc/powerpc64/fpu/s_copysign.S: New file. * sysdeps/powerpc/powerpc64/fpu/s_copysignf.S: New file. * sysdeps/unix/sysv/linux/powerpc/powerpc64/Versions: New File. * sysdeps/unix/sysv/linux/powerpc/powerpc64/brk.S: New file. * sysdeps/unix/sysv/linux/powerpc/powerpc64/clone.S: New file. * sysdeps/unix/sysv/linux/powerpc/powerpc64/glob64.c: New file. * sysdeps/unix/sysv/linux/powerpc/powerpc64/socket.S: New file. * sysdeps/unix/sysv/linux/powerpc/powerpc64/syscalls.list: New file. * sysdeps/unix/sysv/linux/powerpc/powerpc64/sysdep.h: New file.
Diffstat (limited to 'sysdeps/powerpc/powerpc64/elf')
-rw-r--r--sysdeps/powerpc/powerpc64/elf/bzero.S21
-rw-r--r--sysdeps/powerpc/powerpc64/elf/start.S66
2 files changed, 87 insertions, 0 deletions
diff --git a/sysdeps/powerpc/powerpc64/elf/bzero.S b/sysdeps/powerpc/powerpc64/elf/bzero.S
new file mode 100644
index 0000000000..f899bd234e
--- /dev/null
+++ b/sysdeps/powerpc/powerpc64/elf/bzero.S
@@ -0,0 +1,21 @@
+/* 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, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+/* 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/start.S b/sysdeps/powerpc/powerpc64/elf/start.S
new file mode 100644
index 0000000000..129f126e9d
--- /dev/null
+++ b/sysdeps/powerpc/powerpc64/elf/start.S
@@ -0,0 +1,66 @@
+/* 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 <sysdep.h>
+#include "bp-sym.h"
+
+ /* These are the various addresses we require. */
+ .section ".rodata"
+ .align 3
+ weak_extern(_init)
+ weak_extern(_fini)
+ weak_extern(._init)
+ weak_extern(._fini)
+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 _init
+ .quad _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)