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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/unix/sysv/linux/powerpc/powerpc64/brk.S
parent81cb0d8214c425e356c3f79b4b024caab36540b8 (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/unix/sysv/linux/powerpc/powerpc64/brk.S')
-rw-r--r--sysdeps/unix/sysv/linux/powerpc/powerpc64/brk.S45
1 files changed, 45 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc64/brk.S b/sysdeps/unix/sysv/linux/powerpc/powerpc64/brk.S
new file mode 100644
index 0000000000..d8f8bab94d
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/powerpc/powerpc64/brk.S
@@ -0,0 +1,45 @@
+/* brk system call for Linux.  PowerPC64 version.
+   Copyright (C) 1995,96,97,99, 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.  */
+
+#include <sysdep.h>
+#define _ERRNO_H	1
+#include <bits/errno.h>
+#include <bp-sym.h>
+#include <bp-asm.h>
+
+	.comm	__curbrk,8,8
+	.section ".text"
+ENTRY (BP_SYM (__brk))
+	DISCARD_BOUNDS (r3)	/* the bounds are meaningless, so toss 'em.  */
+
+	stdu    r1,-64(r1)
+	std	r3,48(r1)
+	DO_CALL(SYS_ify(brk))
+	ld     r6,48(r1)
+	ld	r5,__curbrk@got(r2)
+	std     r3,0(r5)
+	cmpld   r6,r3
+	addi    r1,r1,64
+	li	r3,0
+	blelr+
+	li      r3,ENOMEM
+	b	JUMPTARGET(__syscall_error)
+END (BP_SYM (__brk))
+
+weak_alias (BP_SYM (__brk), BP_SYM (brk))