Don't build old 1.3 compat jmp stuff for ELF.

For ELF, don't rewind stack on longjmp/_longjmp.  (for pth).

lib/libc/arch/vax/gen/Makefile.inc

@@ -1,8 +1,13 @@
-#	$NetBSD: Makefile.inc,v 1.5 1999/03/06 11:13:43 ragge Exp $
+#	$NetBSD: Makefile.inc,v 1.6 2002/03/27 18:38:50 matt Exp $
 
-SRCS+=	_setjmp.S byte_swap_2.S byte_swap_4.S bswap64.S fabs.S frexp.c \
-	infinity.c isinf.c ldexp.S modf.S setjmp.S udiv.S urem.S alloca.S \
-	sigsetjmp.S __setjmp14.S __sigsetjmp14.S
+SRCS+=	byte_swap_2.S byte_swap_4.S bswap64.S \
+	fabs.S frexp.c infinity.c isinf.c ldexp.S modf.S \
+	udiv.S urem.S \
+	__setjmp14.S __sigsetjmp14.S _setjmp.S 
+
+.if ${OBJECT_FMT} != "ELF"
+SRCS+=	setjmp.S sigsetjmp.S
+.endif
 
 LSRCS+= Lint_bswap16.c Lint_bswap32.c Lint_bswap64.c
 DPSRCS+= Lint_bswap16.c Lint_bswap32.c Lint_bswap64.c

lib/libc/arch/vax/gen/__setjmp14.S

@@ -33,7 +33,7 @@
 
 #if defined(LIBC_SCCS) && !defined(lint)
 	/* .asciz "@(#)setjmp.s	8.1 (Berkeley) 6/4/93" */
-	.asciz "$NetBSD: __setjmp14.S,v 1.5 2002/02/24 01:06:19 matt Exp $"
+	.asciz "$NetBSD: __setjmp14.S,v 1.6 2002/03/27 18:38:50 matt Exp $"
 #endif /* LIBC_SCCS and not lint */
 
 /*
@@ -49,33 +49,49 @@
 
 #include "DEFS.h"
 
-ENTRY(__setjmp14, R6)
-	movl	4(%ap),%r6		# construct sigcontext
+ENTRY(__setjmp14, 0)
+	movl	4(%ap),%r2		# construct sigcontext
 	subl2	$12,%sp			# space for current struct sigstack
 	pushl	%sp			# get current values
 	pushl	$0			# no new values
 	calls	$4,_C_LABEL(__sigaltstack14) # pop args plus signal stack value
-	movl	(%sp)+,(%r6)+		# save onsigstack status of caller
-	pushal	24(%r6)
+	movl	4(%ap),%r2		# construct sigcontext
+	movl	(%sp)+,(%r2)		# save onsigstack status of caller
+	pushal	28(%r2)
 	pushl	$0
 	pushl	$0
 	calls	$3,_C_LABEL(__sigprocmask14) # get signal mask
-	addl2	$4,%r6			# skip old mask
-	movl	(%ap),%r0
-	moval	4(%ap)[%r0],(%r6)+		# save sp of caller
-	movl	12(%fp),(%r6)+		# save frame pointer of caller
-	movl	8(%fp),(%r6)+		# save argument pointer of caller
-	movl	16(%fp),(%r6)+		# save pc of caller
-	movpsl	(%r6)			# save psl of caller
-	movw	4(%fp),(%r6)
+	addl3	$8,4(%ap),%r2		# point to sp in signal context
+	clrl	%r0			# assume no stack arguments
+	bbc	$13,6(%fp),1f		# handle callg
+	addl3	$1,(%ap),%r0		# get argument count +1 if calls
+1:	moval	20(%fp)[%r0],(%r2)+	# save sp of caller
+	movl	12(%fp),(%r2)+		# save frame pointer of caller
+	movl	8(%fp),(%r2)+		# save argument pointer of caller
+	movl	16(%fp),(%r2)+		# save pc of caller
+	movpsl	(%r2)			# save current psl
+	movw	4(%fp),(%r2)		# save psw of caller
+#ifdef __ELF__
+	addl2	$4,%r2			# get past caller psl
+	movq	%r6,(%r2)+		# save r6/r7
+	movq	%r8,(%r2)+		# save r8/r9
+	movq	%r10,(%r2)+		# save r10/r11
+#endif
 	clrl	%r0
 	ret
 
 ENTRY(__longjmp14, 0)
 	movl	8(%ap),%r0		# return(v)
 	movl	4(%ap),%r1		# fetch buffer
-	tstl	12(%r1)
+	tstl	12(%r1)			# is fp non-null?
 	beql	botch
+
+#ifdef __ELF__
+	moval	44(%r1),%r2		# get ptr to saved registers
+	movq	(%r2)+,%r6		# restore r6/r7
+	movq	(%r2)+,%r8		# restore r8/r9
+	movq	(%r2)+,%r10		# restore r10/r11
+#else
 loop:
 	cmpl	12(%r1),%fp		# are we there yet?
 	beql	done
@@ -91,6 +107,7 @@ loop:
 	ret				# pop another frame
 
 done:
+#endif /* !__ELF__ */
 	pushl	%r1			# pointer to sigcontext
 	calls	$1,_C_LABEL(__sigreturn14) # restore previous context
 					# we should never return

lib/libc/arch/vax/gen/_setjmp.S

@@ -33,7 +33,7 @@
 
 #if defined(LIBC_SCCS) && !defined(lint)
 	/* .asciz "@(#)_setjmp.s	8.1 (Berkeley) 6/4/93" */
-	.asciz "$NetBSD: _setjmp.S,v 1.5 2002/02/24 02:43:46 matt Exp $"
+	.asciz "$NetBSD: _setjmp.S,v 1.6 2002/03/27 18:38:50 matt Exp $"
 #endif /* LIBC_SCCS and not lint */
 
 /*
@@ -45,22 +45,46 @@
  *	_setjmp(a)
  * by restoring registers from the stack,
  * The previous signal state is NOT restored.
+ *
+ * Even though we don't use sigreturn14, we still store things in a sigcontext
+ * in order to be consistent.
  */
 
 #include "DEFS.h"
 
 ENTRY(_setjmp, 0)
 	movl	4(%ap),%r0
-	movl	12(%fp),(%r0)		# save frame pointer of caller
-	movl	16(%fp),4(%r0)		# save pc of caller
+	movl	12(%fp),12(%r0)		# save frame pointer of caller
+	movl	16(%fp),20(%r0)		# save pc of caller
+#ifdef __ELF__
+	movl	8(%fp),16(%r0)		# save ap of caller
+	clrl	%r1			# clear arg count
+	bbc	$13,6(%fp),1f		# was this a callg?
+	addl3	$1,(%ap),%r1		# get real arg count+1 for calls
+1:	moval	20(%fp)[%r1],8(%r0)	# save sp of caller
+	movpsl	24(%r1)			# save current psl
+	movw	4(%fp),24(%r1)		# save psw of caller
+	movq	%r6,44(%r0)		# save r6/r7
+	movq	%r8,52(%r0)		# save r8/r9
+	movq	%r10,60(%r0)		# save r10/r11
+#endif
 	clrl	%r0
 	ret
 
 ENTRY(_longjmp, 0)
 	movl	8(%ap),%r0		# return(v)
 	movl	4(%ap),%r1		# fetch buffer
-	tstl	(%r1)
+	tstl	12(%r1)			# is fp null
 	beql	botch
+#ifdef __ELF__
+	movq	44(%r1),%r6		# restore r6/r7
+	movq	52(%r1),%r8		# restore r8/r9
+	movq	60(%r1),%r10		# restore r10/r11
+	movl	16(%r1),%ap		# restore ap
+	movq	8(%r1),%sp		# restore sp/fp
+	movq	20(%r1),-(%sp)		# save pc/psl to new stack
+	rei				# and go back to saved pc/psl
+#else
 loop:
 	bitw	$1,6(%fp)		# %r0 saved?
 	beql	1f
@@ -74,7 +98,7 @@ loop:
 	beql	2f
 	movl	%r1,20(%fp)
 2:
-	cmpl	(%r1),12(%fp)
+	cmpl	12(%r1),12(%fp)
 	beql	done
 	blssu	botch
 	movab	loop,16(%fp)
@@ -92,7 +116,8 @@ done:
 3:
 	addl2	$8,%sp			# compensate for PSL-PC push
 4:
-	jmp	*4(%r1)			# done, return....
+	jmp	*20(%r1)		# done, return....
+#endif /* !__ELF__ */
 
 botch:
 	calls	$0,_C_LABEL(longjmperror)