Commit 9fd18a67 authored by Marc G. Fournier's avatar Marc G. Fournier

Missed adding new univel files and removing univel subdirectory

parent 6e9558e6
/* Dummy file used for nothing at this point
*
* see univel.h
*/
#-------------------------------------------------------------------------
#
# Makefile--
# Makefile for port/univel
#
# IDENTIFICATION
# $Header: /cvsroot/pgsql/src/backend/port/univel/Attic/Makefile,v 1.3 1997/12/20 00:26:45 scrappy Exp $
#
#-------------------------------------------------------------------------
SRCDIR = ../../..
include ../../../Makefile.global
INCLUDE_OPT = -I../..
CFLAGS+=$(INCLUDE_OPT)
OBJS = #tas.o
all: SUBSYS.o
SUBSYS.o: $(OBJS)
$(LD) -r -o SUBSYS.o $(OBJS)
depend dep:
$(CC) -MM $(INCLUDE_OPT) *.c >depend
clean:
rm -f SUBSYS.o $(OBJS)
ifeq (depend,$(wildcard depend))
include depend
endif
/=============================================================================
/ tas.s -- test and set lock for i386_solaris
/=============================================================================
.file "tas.s"
.text
.align 16
.L1.text:
.globl tas
tas:
pushl %ebp /save prev base pointer
movl %esp,%ebp /new base pointer
pushl %ebx /save prev bx
movl 8(%ebp),%ebx /load bx with address of lock
pushl %ebx /save prev bx
movl 8(%ebp),%ebx /load bx with address of lock
movl $255,%eax /put something in ax
xchgb %al,(%ebx) /swap lock value with "0"
cmpb $0,%al /did we get the lock?
jne .Locked
subl %eax,%eax /yes, we got it -- return 0
jmp .Finish
.align 4
.Locked:
movl $1,%eax /no, we didn't get it - return 1
.Finish:
popl %ebx /restore prev bx
movl %ebp,%esp /restore stack state
popl %ebp
ret /return
.align 4
.type tas,@function
.size tas,.-tas
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