* sysdeps/m68k/add_n.S: Use ENTRY and END macros.

* sysdeps/m68k/lshift.S: Likewise. 
* sysdeps/m68k/rshift.S: Likewise. 
* sysdeps/m68k/sub_n.S: Likewise. 
* sysdeps/m68k/m68020/addmul_1.S: Likewise. 
* sysdeps/m68k/m68020/mul_1.S: Likewise. 
* sysdeps/m68k/m68020/submul_1.S: Likewise. 
* sysdeps/unix/sysv/linux/m68k/sysdep.S: Use ENTRY macro. 
[_LIBC_REENTRANT]: Don't store into global errno. 
* sysdeps/m68k/sysdep.h: New file. 
* sysdeps/unix/sysv/linux/m68k/sysdep.h: Use it.  Use the macros 
ENTRY, CALL_MCOUNT, JUMPTARGET and syscall_error from there. 
(DO_CALL): Change to expect syscall name as argument. 
(PSEUDO): Pass syscall_name to DO_CALL. 
(SYSCALL_ERROR_HANDLER) [_LIBC_REENTRANT]: Don't store into global 
errno.
Fri Mar  6 10:40:30 1998  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* sysdeps/m68k/add_n.S: Use ENTRY and END macros.
	* sysdeps/m68k/lshift.S: Likewise.
	* sysdeps/m68k/rshift.S: Likewise.
	* sysdeps/m68k/sub_n.S: Likewise.
	* sysdeps/m68k/m68020/addmul_1.S: Likewise.
	* sysdeps/m68k/m68020/mul_1.S: Likewise.
	* sysdeps/m68k/m68020/submul_1.S: Likewise.

	* sysdeps/unix/sysv/linux/m68k/sysdep.S: Use ENTRY macro.
	[_LIBC_REENTRANT]: Don't store into global errno.

	* sysdeps/m68k/sysdep.h: New file.
	* sysdeps/unix/sysv/linux/m68k/sysdep.h: Use it.  Use the macros
	ENTRY, CALL_MCOUNT, JUMPTARGET and syscall_error from there.
	(DO_CALL): Change to expect syscall name as argument.
	(PSEUDO): Pass syscall_name to DO_CALL.
	(SYSCALL_ERROR_HANDLER) [_LIBC_REENTRANT]: Don't store into global
	errno.

2 files changed, 13 insertions, 46 deletions

diff --git a/sysdeps/unix/sysv/linux/m68k/sysdep.S b/sysdeps/unix/sysv/linux/m68k/sysdep.S
index 5533be2c1b..6008b23aa5 100644
--- a/sysdeps/unix/sysv/linux/m68k/sysdep.S
+++ b/sysdeps/unix/sysv/linux/m68k/sysdep.S
@@ -43,13 +43,15 @@ _errno = errno	/* This name is expected by hj's libc.so.5 startup code.  */
 
 /* The syscall stubs jump here when they detect an error.  */
 
-	.globl	__syscall_error
-	.type	__syscall_error, @function
-	.align	4
-__syscall_error:
+#undef CALL_MCOUNT
+#define CALL_MCOUNT /* Don't insert the profiling call, it clobbers %d0.  */
+
+	.text
+ENTRY (__syscall_error)
 	neg.l %d0
+#ifndef _LIBC_REENTRANT
 	move.l %d0, errno
-#ifdef _LIBC_REENTRANT
+#else
 	move.l %d0, -(%sp)
 	jbsr __errno_location
 	move.l (%sp)+, (%a0)
diff --git a/sysdeps/unix/sysv/linux/m68k/sysdep.h b/sysdeps/unix/sysv/linux/m68k/sysdep.h
index 5263c71ecf..03360b84f9 100644
--- a/sysdeps/unix/sysv/linux/m68k/sysdep.h
+++ b/sysdeps/unix/sysv/linux/m68k/sysdep.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1996, 1997 Free Software Foundation, Inc.
+/* Copyright (C) 1996, 1997, 1998 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Written by Andreas Schwab, <schwab@issan.informatik.uni-dortmund.de>,
    December 1995.
@@ -19,6 +19,7 @@
    Boston, MA 02111-1307, USA.  */
 
 #include <sysdeps/unix/sysdep.h>
+#include <sysdeps/m68k/sysdep.h>
 
 /* For Linux we can use the system call table in the header file
 	/usr/include/asm/unistd.h
@@ -33,40 +34,6 @@
 
 #ifdef ASSEMBLER
 
-/* Define an entry point visible from C.  */
-#define	ENTRY(name)							      \
-  .globl name;								      \
-  .type name, @function;						      \
-  .align 4;								      \
-  C_LABEL(name)								      \
-  CALL_MCOUNT
-
-#undef END
-#define END(name) .size name, . - name
-
-/* If compiled for profiling, call `_mcount' at the start of each function.  */
-#ifdef	PROF
-/* The mcount code relies on a normal frame pointer being on the stack
-   to locate our caller, so push one just for its benefit.  */
-#define CALL_MCOUNT \
-  move.l %fp, -(%sp); move.l %sp, %fp;					      \
-  jbsr JUMPTARGET (_mcount);						      \
-  move.l (%sp)+, %fp;
-#else
-#define CALL_MCOUNT		/* Do nothing.  */
-#endif
-
-#ifdef PIC
-#define JUMPTARGET(name)	name##@PLTPC
-#else
-#define JUMPTARGET(name)	name
-#endif
-
-/* Since C identifiers are not normally prefixed with an underscore
-   on this system, the asm identifier `syscall_error' intrudes on the
-   C name space.  Make sure we use an innocuous name.  */
-#define	syscall_error	__syscall_error
-
 /* Linux uses a negative return value to indicate syscall errors, unlike
    most Unices, which use the condition codes' carry flag.
 
@@ -76,10 +43,11 @@
    for a real error by making sure the value in %d0 is a real error
    number.  Linus said he will make sure the no syscall returns a value
    in -1 .. -4095 as a valid result so we can savely test with -4095.  */
+#undef PSEUDO
 #define	PSEUDO(name, syscall_name, args)				      \
   .text;								      \
   ENTRY (name)								      \
-    DO_CALL (&SYS_ify (syscall_name), args);				      \
+    DO_CALL (syscall_name, args);					      \
     cmp.l &-4095, %d0;							      \
     jcc syscall_error
 
@@ -93,9 +61,6 @@
 #ifdef _LIBC_REENTRANT
 #define SYSCALL_ERROR_HANDLER						      \
 syscall_error:								      \
-    move.l (errno@GOTPC, %pc), %a0;					      \
-    neg.l %d0;								      \
-    move.l %d0, (%a0);							      \
     move.l %d0, -(%sp);							      \
     jbsr __errno_location@PLTPC;					      \
     move.l (%sp)+, (%a0);						      \
@@ -145,8 +110,8 @@ syscall_error:								      \
    speed is more important, we don't use movem.  Since %a0 and %a1 are
    scratch registers, we can use them for saving as well.  */
 
-#define DO_CALL(syscall, args)				      		      \
-    move.l syscall, %d0;						      \
+#define DO_CALL(syscall_name, args)			      		      \
+    move.l &SYS_ify(syscall_name), %d0;					      \
     DOARGS_##args							      \
     trap &0;								      \
     UNDOARGS_##args