PERFORCE change 30043 for review

[Peter Wemm]

http://perforce.freebsd.org/chv.cgi?CH=30043

Change 30043 by peter at peter_daintree on 2003/04/29 12:18:44

	reintegrate with x86_64/... dir to sync up

Affected files ...

.. //depot/projects/hammer/lib/libc/amd64/gen/_ctx_start.S#2 delete
.. //depot/projects/hammer/lib/libc/amd64/gen/alloca.S#2 delete
.. //depot/projects/hammer/lib/libc/amd64/gen/fabs.S#2 delete
.. //depot/projects/hammer/lib/libc/amd64/gen/ldexp.c#2 delete
.. //depot/projects/hammer/lib/libc/amd64/gen/makecontext.c#2 delete
.. //depot/projects/hammer/lib/libc/amd64/gen/modf.S#2 delete
.. //depot/projects/hammer/lib/libc/amd64/gen/rfork_thread.S#2 delete
.. //depot/projects/hammer/lib/libc/amd64/gen/signalcontext.c#2 delete
.. //depot/projects/hammer/lib/libc/amd64/stdlib/Makefile.inc#2 delete
.. //depot/projects/hammer/lib/libc/amd64/stdlib/abs.S#2 delete
.. //depot/projects/hammer/lib/libc/amd64/stdlib/div.S#2 delete
.. //depot/projects/hammer/lib/libc/amd64/stdlib/labs.S#2 delete
.. //depot/projects/hammer/lib/libc/amd64/stdlib/ldiv.S#2 delete
.. //depot/projects/hammer/lib/libc/amd64/string/Makefile.inc#2 delete
.. //depot/projects/hammer/lib/libc/amd64/string/bcmp.S#2 delete
.. //depot/projects/hammer/lib/libc/amd64/string/bcopy.S#2 delete
.. //depot/projects/hammer/lib/libc/amd64/string/bzero.S#2 delete
.. //depot/projects/hammer/lib/libc/amd64/string/ffs.S#2 delete
.. //depot/projects/hammer/lib/libc/amd64/string/index.S#2 delete
.. //depot/projects/hammer/lib/libc/amd64/string/memchr.S#2 delete
.. //depot/projects/hammer/lib/libc/amd64/string/memcmp.S#2 delete
.. //depot/projects/hammer/lib/libc/amd64/string/memcpy.S#2 delete
.. //depot/projects/hammer/lib/libc/amd64/string/memmove.S#2 delete
.. //depot/projects/hammer/lib/libc/amd64/string/memset.S#2 delete
.. //depot/projects/hammer/lib/libc/amd64/string/rindex.S#2 delete
.. //depot/projects/hammer/lib/libc/amd64/string/strcat.S#2 delete
.. //depot/projects/hammer/lib/libc/amd64/string/strchr.S#2 delete
.. //depot/projects/hammer/lib/libc/amd64/string/strcmp.S#2 delete
.. //depot/projects/hammer/lib/libc/amd64/string/strcpy.S#2 delete
.. //depot/projects/hammer/lib/libc/amd64/string/strlen.S#2 delete
.. //depot/projects/hammer/lib/libc/amd64/string/strncmp.S#2 delete
.. //depot/projects/hammer/lib/libc/amd64/string/strrchr.S#2 delete
.. //depot/projects/hammer/lib/libc/amd64/string/swab.S#2 delete
.. //depot/projects/hammer/lib/libc/amd64/string/wcschr.S#2 delete
.. //depot/projects/hammer/lib/libc/amd64/string/wcscmp.S#2 delete
.. //depot/projects/hammer/lib/libc/amd64/string/wcslen.S#2 delete
.. //depot/projects/hammer/lib/libc/amd64/string/wmemchr.S#2 delete
.. //depot/projects/hammer/lib/libc/amd64/sys/Makefile.inc#2 integrate
.. //depot/projects/hammer/lib/libc/amd64/sys/Ovfork.S#3 delete
.. //depot/projects/hammer/lib/libc/amd64/sys/exect.S#2 integrate
.. //depot/projects/hammer/lib/libc/amd64/sys/pipe.S#3 integrate
.. //depot/projects/hammer/lib/libc/amd64/sys/vfork.S#1 branch

Differences ...

==== //depot/projects/hammer/lib/libc/amd64/sys/Makefile.inc#2 (text+ko) ====

@@ -1,8 +1,8 @@
 #	from: Makefile.inc,v 1.1 1993/09/03 19:04:23 jtc Exp
 # $FreeBSD: src/lib/libc/i386/sys/Makefile.inc,v 1.25 2002/11/18 09:50:55 ru Exp $
 
-MDASM=	Ovfork.S brk.S cerror.S exect.S pipe.S ptrace.S reboot.S sbrk.S \
-	setlogin.S sigreturn.S #syscall.S
+MDASM=	vfork.S brk.S cerror.S exect.S pipe.S ptrace.S reboot.S sbrk.S \
+	setlogin.S sigreturn.S
 
 # Don't generate default code for these syscalls:
 NOASM=	break.o exit.o ftruncate.o getdomainname.o getlogin.o \

==== //depot/projects/hammer/lib/libc/amd64/sys/exect.S#2 (text+ko) ====

@@ -46,9 +46,9 @@
 ENTRY(exect)
 	movq	$SYS_execve,%rax
 	pushfq
-	popq	%rdx
-	orq	$ PSL_T,%rdx
-	pushq	%rdx
+	popq	%r8
+	orq	$PSL_T,%r8
+	pushq	%r8
 	popfq
 	KERNCALL
 	jmp	PIC_PLT(HIDENAME(cerror))	/* exect(file, argv, env); */

==== //depot/projects/hammer/lib/libc/amd64/sys/pipe.S#3 (text+ko) ====

@@ -42,20 +42,8 @@
 
 #include "SYS.h"
 
-	.weak	_pipe
-	.set	_pipe,__sys_pipe
-	.weak	pipe
-	.set	pipe,__sys_pipe
-ENTRY(__sys_pipe)
-	pushq	%rdi
-	mov	$SYS_pipe,%rax
-	KERNCALL
-	jb	1f
-	popq	%rcx
-	movl	%eax,(%rcx)
-	movl	%edx,4(%rcx)
+SYSCALL(pipe)
+	movl	%eax,(%rdi)	/* %rdi is preserved by syscall */
+	movl	%edx,4(%rdi)
 	movq	$0,%rax
 	ret
-1:	
-	popq	%rdi
-	jmp	PIC_PLT(HIDENAME(cerror))