gcc subdir for combined gcc/ack library build

lib/gnu/rts/Makefile

@@ -0,0 +1,10 @@
+
+LIBRARIES = libc
+
+libc_OBJECTS	= \
+	_longjmp.o \
+	_setjmp.o \
+	longjmp.o \
+	setjmp.o \
+
+include ../../Makefile.gnu.inc

lib/gnu/rts/Makefile.gnu

@@ -0,0 +1,27 @@
+CC=gcc
+AR=gar
+AS=gas
+
+VPATH=$(SRCDIR)/gnu/rts
+
+#Makefile for lib/gcc/mach/minix.i386/libsys.
+
+LIBRARY	= ../../libc.a
+
+OBJECTS	= \
+	_longjmp.o \
+	_setjmp.o \
+	longjmp.o \
+	setjmp.o \
+
+all: $(LIBRARY)
+
+$(LIBRARY):	$(OBJECTS)
+	$(AR) cr $@ *.o
+	
+_longjmp.o:	_longjmp.s
+_setjmp.o:	_setjmp.s
+longjmp.o:	longjmp.s
+setjmp.o:	setjmp.s
+
+# $PchId: Makefile,v 1.4 1996/02/22 21:54:11 philip Exp $

lib/gnu/rts/_longjmp.gs

@@ -0,0 +1,38 @@
+/ _longjmp.gnu.s
+/
+/ Created:	Oct 15, 1993 by Philip Homburg <philip@cs.vu.nl>
+
+.text
+.globl __longjmp
+__longjmp:
+	movl	4(%esp), %eax		# jmp_buf
+	cmpl	$0, 0(%eax)			# save mask?
+	je		1f
+	leal	4(%eax), %ebx		# pointer to sigset_t
+	pushl	%ebx
+	call	___oldsigset		# restore mask
+	addl	$4, %esp
+	movl	4(%esp), %eax		# jmp_buf
+1:	
+	movl	8(%esp), %ecx		# result value
+	movl	12(%eax), %esp 		# restore stack pointer
+
+	movl	8(%eax), %ebx 		# restore program counter
+	movl	%ebx, 0(%esp)
+
+	pushl	%ecx			# save result code
+	
+	movl	16(%eax), %ebp		# restore frame pointer
+	movl	20(%eax), %ebx
+	movl	24(%eax), %ecx
+	movl	28(%eax), %edx
+	movl	32(%eax), %esi
+	movl	36(%eax), %edi
+	pop	%eax
+	testl	%eax, %eax
+	jz	1f
+	ret
+1:	movl	$1, %eax
+	ret
+
+/ $PchId: _longjmp.gnu.s,v 1.4 1996/03/12 19:30:02 philip Exp $

lib/gnu/rts/_setjmp.gs

@@ -0,0 +1,32 @@
+/ _setjmp.gnu.s
+/
+/ Created:	Oct 14, 1993 by Philip Homburg <philip@cs.vu.nl>
+
+.text
+.globl ___setjmp
+___setjmp:
+	movl	4(%esp), %eax		# jmp_buf
+	movl	%ebx, 20(%eax)		# save ebx
+	movl	0(%esp), %ebx
+	movl	%ebx, 8(%eax)		# save program counter
+	movl	%esp, 12(%eax)		# save stack pointer
+	movl	%ebp, 16(%eax)		# save frame pointer
+	movl	20(%eax), %ebx 		# restore ebx
+	movl	%ecx, 24(%eax)
+	movl	%edx, 28(%eax)
+	movl	%esi, 32(%eax)
+	movl	%edi, 36(%eax)
+	
+	movl	8(%esp), %ebx		# save mask?
+	movl	%ebx, 0(%eax)		# save whether to restore mask
+	testl	%ebx, %ebx
+	jz		1f
+	leal	4(%eax), %ebx		# pointer to sigset_t
+	pushl	%ebx
+	call	___newsigset		# save mask	
+	addl	$4, %esp
+1:
+	movl	$0, %eax
+	ret
+
+/ $PchId: _setjmp.gnu.s,v 1.4 1996/03/12 19:30:54 philip Exp $

lib/gnu/rts/longjmp.gs

@@ -0,0 +1,6 @@
+	.text
+.globl	_longjmp
+_longjmp:
+	jmp	__longjmp
+
+/ $PchId: longjmp.gnu.s,v 1.4 1996/03/12 19:31:18 philip Exp $

lib/gnu/rts/setjmp.gs

@@ -0,0 +1,6 @@
+	.text
+.globl	_setjmp
+_setjmp:
+	jmp	___setjmp
+
+/ $PchId: setjmp.gnu.s,v 1.4 1996/03/12 19:31:18 philip Exp $