update from 961105, second try

sysdeps/unix/alpha/sysdep.h

@@ -1,20 +1,21 @@
 /* Copyright (C) 1992, 1995, 1996 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
    Contributed by Brendan Kehoe (brendan@zen.org).
 
-The GNU C Library is free software; you can redistribute it and/or
+   The GNU C Library is free software; you can redistribute it and/or
-modify it under the terms of the GNU Library General Public License as
+   modify it under the terms of the GNU Library General Public License as
-published by the Free Software Foundation; either version 2 of the
+   published by the Free Software Foundation; either version 2 of the
-License, or (at your option) any later version.
+   License, or (at your option) any later version.
 
-The GNU C Library is distributed in the hope that it will be useful,
+   The GNU C Library is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-Library General Public License for more details.
+   Library General Public License for more details.
 
-You should have received a copy of the GNU Library General Public
+   You should have received a copy of the GNU Library General Public
-License along with the GNU C Library; see the file COPYING.LIB.  If
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
-not, write to the Free Software Foundation, Inc., 675 Mass Ave,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
-Cambridge, MA 02139, USA.  */
+   Boston, MA 02111-1307, USA.  */
 
 #include <sysdeps/unix/sysdep.h>
 
@@ -27,36 +28,24 @@ Cambridge, MA 02139, USA.  */
 #endif
 
 #ifdef __STDC__
-#define LEAF(name, framesize)			\
+#define __LABEL(x)	x##:
-  .globl name;					\
-  .align 3;					\
-  .ent name, 0;					\
-  name##:					\
-  .frame sp, framesize, ra
 #else
-#define LEAF(name, framesize)			\
+#define __LABEL(x)	x/**/:
-  .globl name;					\
-  .align 3;					\
-  .ent name, 0;					\
-  name/**/:					\
-  .frame sp, framesize, ra
 #endif
 
-#ifdef __STDC__
+#define LEAF(name, framesize)			\
+  .globl name;					\
+  .align 3;					\
+  .ent name, 0;					\
+  __LABEL(name)					\
+  .frame sp, framesize, ra
+
 #define ENTRY(name)				\
   .globl name;					\
   .align 3;					\
   .ent name, 0;					\
-  name##:					\
+  __LABEL(name)					\
   .frame sp, 0, ra
-#else
-#define ENTRY(name)				\
-  .globl name;					\
-  .align 3;					\
-  .ent name, 0;					\
-  name/**/:					\
-  .frame sp, 0, ra
-#endif
 
 /* Mark the end of function SYM.  */
 #undef END
@@ -64,16 +53,20 @@ Cambridge, MA 02139, USA.  */
 
 /* Note that PSEUDO/PSEUDO_END use label number 1996---do not use a
    label of that number between those two macros!  */
- 
+
-#ifdef __STDC__
+#ifdef PROF
 #define PSEUDO(name, syscall_name, args)	\
     .globl name;				\
     .align 3;					\
     .ent name,0;				\
-						\
+__LABEL(name)					\
-name##:						\
+    .frame sp, 0, ra;				\
-    .frame sp, 0, ra				\
+    ldgp gp,0(pv);				\
-    .prologue 1; /* yes, we do use gp */	\
+    .set noat;					\
+    lda AT,_mcount;				\
+    jsr AT,(AT),_mcount;			\
+    .set at;					\
+    .prologue 1;				\
     ldiq	v0, SYS_ify(syscall_name);	\
     .set noat;					\
     call_pal	PAL_callsys;			\
@@ -85,10 +78,9 @@ name##:						\
     .globl name;				\
     .align 3;					\
     .ent name,0;				\
-						\
+__LABEL(name)					\
-name/**/:					\
     .frame sp, 0, ra				\
-    .prologue 1; /* yes, we do use gp */	\
+    .prologue 0;				\
     ldiq	v0, SYS_ify(syscall_name);	\
     .set noat;					\
     call_pal	PAL_callsys;			\
@@ -98,13 +90,19 @@ name/**/:					\
 #endif
 
 #undef PSEUDO_END
-
+#ifdef PROF
+#define PSEUDO_END(sym)				\
+1996:						\
+    jmp		zero, __syscall_error;		\
+    END(sym)
+#else
 #define PSEUDO_END(sym)				\
 1996:						\
     br		gp, 2f;				\
 2:  ldgp	gp, 0(gp);			\
     jmp		zero, __syscall_error;		\
     END(sym)
+#endif
 
 #define r0	v0
 #define r1	a4

sysdeps/unix/sysv/linux/alpha/brk.S

@@ -38,6 +38,10 @@ __curbrk: .skip 8
 	.text
 LEAF(__brk, 0)
 	ldgp	gp, 0(t12)
+#ifdef PROF
+	lda	AT, _mcount
+	jsr	AT, (AT), _mcount
+#endif
 	.prologue 1
 
 	ldiq	v0, __NR_brk

sysdeps/unix/sysv/linux/alpha/clone.S

@@ -32,6 +32,10 @@ ENTRY(__clone)
 	/* Save rest of argument registers for varargs-type work.  */
 	stq	a4,0(sp)
 	stq	a5,8(sp)
+#ifdef PROF
+	lda	AT, _mcount
+	jsr	AT, (AT), _mcount
+#endif
 	.prologue 1
 
 	/* Sanity check arguments.  */

sysdeps/unix/sysv/linux/alpha/ieee_get_fp_control.S

@@ -22,9 +22,17 @@ Cambridge, MA 02139, USA.  */
 
 	.text
 
-LEAF(__ieee_get_fp_control, 8)
+LEAF(__ieee_get_fp_control, 16)
-	lda	sp, -8(sp)
+#ifdef PROF
+	ldgp	gp, 0(pv)
+	lda	sp, -16(sp)
+	lda	AT, _mcount
+	jsr	AT, (AT), _mcount
 	.prologue 1
+#else
+	lda	sp, -16(sp)
+	.prologue 0
+#endif
 
 	mov	sp, a1
 	ldi	a0, GSI_IEEE_FP_CONTROL
@@ -33,12 +41,14 @@ LEAF(__ieee_get_fp_control, 8)
 	bne	a3, error
 
 	ldq	v0, 0(sp)
-	lda	sp, 8(sp)
+	lda	sp, 16(sp)
 	ret
 
-error:	lda	sp, 8(sp)
+error:	lda	sp, 16(sp)
+#ifndef PROF
 	br	gp, 1f
 1:	ldgp	gp, 0(gp)
+#endif
 	jmp	zero, __syscall_error
 
 	END(__ieee_get_fp_control)

sysdeps/unix/sysv/linux/alpha/ieee_set_fp_control.S

@@ -20,9 +20,17 @@ Cambridge, MA 02139, USA.  */
 
 #define SSI_IEEE_FP_CONTROL	14
 
-LEAF(__ieee_set_fp_control, 8)
+LEAF(__ieee_set_fp_control, 16)
-	lda	sp, -8(sp)
+#ifdef PROF
+	ldgp	gp, 0(sp)
+	lda	sp, -16(sp)
+	lda	AT, _mcount
+	jsr	AT, (AT), _mcount
 	.prologue 1
+#else
+	lda	sp, -16(sp)
+	.prologue 0
+#endif
 
 	stq	a0, 0(sp)
 	mov	sp, a1
@@ -30,13 +38,16 @@ LEAF(__ieee_set_fp_control, 8)
 	ldi	v0, __NR_osf_setsysinfo
 	call_pal PAL_callsys
 
-	lda	sp, 8(sp)
+	lda	sp, 16(sp)
 
 	bne	a3, error
 	ret
 
-error:	br	gp, 1f
+error:
+#ifndef PROF
+	br	gp, 1f
 1:	ldgp	gp, 0(gp)
+#endif
 	jmp	zero, __syscall_error
 
 	END(__ieee_set_fp_control)

sysdeps/unix/sysv/linux/alpha/llseek.S

@@ -24,7 +24,14 @@ Cambridge, MA 02139, USA.  */
 
 	.text
 ENTRY(llseek)
+#ifdef PROF
+	ldgp	gp, 0(pv)
+	lda	AT, _mcount
+	jsr	AT, (AT), _mcount
 	.prologue 1
+#else
+	.prologue 0
+#endif
 
 	sll	a1, 32, a1	/* build a 64 bit ofs out of 32 bit operands */
 	zap	a2, 0xf0, a2
@@ -40,8 +47,11 @@ ENTRY(llseek)
 	stq	v0, 0(t0)
 	ret
 
-error:	br	gp, 1f
+error:
+#ifndef PROF
+	br	gp, 1f
 1:	ldgp	gp, 0(gp)
+#endif
 	jmp	zero, __syscall_error
 
 	END(llseek)

sysdeps/unix/sysv/linux/alpha/sigsuspend.S

@@ -24,7 +24,14 @@ Cambridge, MA 02139, USA.  */
 	.text
 
 LEAF(sigsuspend, 0)
+#ifdef PROF
+	ldgp	gp, 0(pv)
+	lda	AT, _mcount
+	jsr	AT, (AT), _mcount
 	.prologue 1
+#else
+	.prologue 0
+#endif
 
 	ldq	a0, 0(a0)
 	ldi	v0, __NR_sigsuspend
@@ -32,8 +39,11 @@ LEAF(sigsuspend, 0)
 	bne	a3, error
 	ret
 
-error:	br	gp, 1f
+error:
+#ifndef PROF
+	br	gp, 1f
 1:	ldgp	gp, 0(gp)
+#endif
 	jmp	zero, __syscall_error
 
 	END(sigsuspend)

sysdeps/unix/sysv/linux/alpha/syscall.S

@@ -42,6 +42,15 @@ Cambridge, MA 02139, USA.  */
 
 
 LEAF(__syscall, 0)
+#ifdef PROF
+	ldgp	gp, 0(pv)
+	lda	AT, _mcount
+	jsr	AT, (AT), _mcount
+	.prologue 1
+#else
+	.prologue 0
+#endif
+
 	mov	a0, v0		/* Syscall number -> v0 */
 	mov	a1, a0		/* arg1-arg5 -> a0-a4 */
 	mov	a2, a1
@@ -53,8 +62,11 @@ LEAF(__syscall, 0)
 	bne	a3, error
 	ret
 
-error:	br	gp, 2f
+error:
+#ifndef PROF
+	br	gp, 2f
 2:	ldgp	gp, 0(gp)
+#endif
 	jmp	zero, __syscall_error
 
 weak_alias(__syscall, syscall)

sysdeps/unix/sysv/linux/m68k/syscall.S

@@ -1,25 +1,25 @@
 /* Copyright (C) 1996 Free Software Foundation, Inc.
-This file is part of the GNU C Library.
+   This file is part of the GNU C Library.
 
-The GNU C Library is free software; you can redistribute it and/or
+   The GNU C Library is free software; you can redistribute it and/or
-modify it under the terms of the GNU Library General Public License as
+   modify it under the terms of the GNU Library General Public License as
-published by the Free Software Foundation; either version 2 of the
+   published by the Free Software Foundation; either version 2 of the
-License, or (at your option) any later version.
+   License, or (at your option) any later version.
 
-The GNU C Library is distributed in the hope that it will be useful,
+   The GNU C Library is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-Library General Public License for more details.
+   Library General Public License for more details.
 
-You should have received a copy of the GNU Library General Public
+   You should have received a copy of the GNU Library General Public
-License along with the GNU C Library; see the file COPYING.LIB.  If
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
-not, write to the Free Software Foundation, Inc., 675 Mass Ave,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
-Cambridge, MA 02139, USA.  */
+   Boston, MA 02111-1307, USA.  */
 
 #include <sysdep.h>
 
 /* Please consult the file sysdeps/unix/sysv/linux/m68k/sysdep.h for
-   more information about the value -128 used below.*/
+   more information about the value -4096 used below.*/
 
 	.text
 ENTRY (syscall)
@@ -27,7 +27,7 @@ ENTRY (syscall)
 	_DOARGS_5 (24)		/* Frob arguments.  */
 	trap &0			/* Do the system call.  */
 	UNDOARGS_5		/* Unfrob arguments.  */
-	moveq.l &-128, %d1
+	moveq.l &-4096, %d1
 	cmp.l %d1, %d0		/* Check %d0 for error.  */
 	jcc syscall_error	/* Jump to error handler if negative.  */
 	rts			/* Return to caller.  */

sysdeps/unix/sysv/linux/m68k/sysdep.S

@@ -1,20 +1,20 @@
 /* Copyright (C) 1996 Free Software Foundation, Inc.
-This file is part of the GNU C Library.
+   This file is part of the GNU C Library.
 
-The GNU C Library is free software; you can redistribute it and/or
+   The GNU C Library is free software; you can redistribute it and/or
-modify it under the terms of the GNU Library General Public License as
+   modify it under the terms of the GNU Library General Public License as
-published by the Free Software Foundation; either version 2 of the
+   published by the Free Software Foundation; either version 2 of the
-License, or (at your option) any later version.
+   License, or (at your option) any later version.
 
-The GNU C Library is distributed in the hope that it will be useful,
+   The GNU C Library is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-Library General Public License for more details.
+   Library General Public License for more details.
 
-You should have received a copy of the GNU Library General Public
+   You should have received a copy of the GNU Library General Public
-License along with the GNU C Library; see the file COPYING.LIB.  If
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
-not, write to the Free Software Foundation, Inc., 675 Mass Ave,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
-Cambridge, MA 02139, USA.  */
+   Boston, MA 02111-1307, USA.  */
 
 #include <sysdep.h>
 
@@ -62,7 +62,11 @@ __syscall_error:
 END (__syscall_error)
 #endif /* PIC */
 
-ENTRY (__errno_location)
+	.weak __errno_location
+	.type __errno_location,@function
+	.align 4
+__errno_location:
+	CALL_MCOUNT
 #ifdef PIC
 	move.l	(%pc, errno@GOTPC), %a0
 #else

sysdeps/unix/sysv/linux/m68k/sysdep.h

@@ -74,14 +74,13 @@ Cambridge, MA 02139, USA.  */
    even if the call succeeded.  E.g., the `lseek' system call might return
    a large offset.  Therefore we must not anymore test for < 0, but test
    for a real error by making sure the value in %d0 is a real error
-   number.  For now (as of 2.1.1) 122 is the largest defined error number.
+   number.  Linus said he will make sure the no syscall returns a value
-   We allow for a bit of room for development and treat -128 to -1 as
+   in -1 .. -4095 as a valid result so we can savely test with -4096.  */
-   error values.  */
 #define	PSEUDO(name, syscall_name, args)				      \
   .text;								      \
   ENTRY (name)								      \
     DO_CALL (&SYS_ify (syscall_name), args);				      \
-    moveq.l &-128, %d1;							      \
+    moveq.l &-4096, %d1;						      \
     cmp.l %d1, %d0;							      \
     jcc syscall_error