From 8d25436d70a0e5f286a48cf60f4ad3899251eff9 Mon Sep 17 00:00:00 2001
From: Bruce Momjian <bruce@momjian.us>
Date: Tue, 29 Jul 1997 14:09:11 +0000
Subject: [PATCH] mkLinux patches from Tatsuo Ishii.
---
src/backend/storage/ipc/s_lock.c | 42 +++++++++++++++++++++++++++++++-
src/backend/utils/adt/dt.c | 29 +++++++++++++++++++++-
src/include/port/linux.h | 15 +++++++++---
src/include/utils/dt.h | 12 ++++++++-
src/interfaces/libpq/Makefile | 3 ++-
src/makefiles/Makefile.linux | 2 +-
src/test/regress/GNUmakefile | 4 +--
7 files changed, 97 insertions(+), 10 deletions(-)
diff --git a/src/backend/storage/ipc/s_lock.c b/src/backend/storage/ipc/s_lock.c
index 449b34d12c7..de9b8689f09 100644
--- a/src/backend/storage/ipc/s_lock.c
+++ b/src/backend/storage/ipc/s_lock.c
@@ -7,7 +7,7 @@
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/storage/ipc/Attic/s_lock.c,v 1.14 1997/06/06 01:37:14 scrappy Exp $
+ * $Header: /cvsroot/pgsql/src/backend/storage/ipc/Attic/s_lock.c,v 1.15 1997/07/29 14:07:48 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@@ -521,5 +521,45 @@ S_INIT_LOCK(slock_t *lock)
#endif /* NEED_NS32K_TAS_ASM */
+#if defined(linux) && defined(PPC)
+
+static int tas_dummy()
+{
+ __asm__("
+tas: /* r3 points to the location of p */
+ lwarx 5,0,3 /* r5 = *p */
+ cmpwi 5,0 /* r5 == 0 ? */
+ bne fail /* if not 0, jump to fail */
+ addi 5,5,1 /* set 1 to r5 */
+ stwcx. 5,0,3 /* try update p atomically */
+ beq success /* jump if scceed */
+fail: li 3,1 /* set 1 to r3 */
+ blr
+success:
+ li 3,0 /* set 0 to r3 */
+ blr
+ ");
+}
+
+void
+S_LOCK(slock_t *lock)
+{
+ while (tas(lock))
+ ;
+}
+
+void
+S_UNLOCK(slock_t *lock)
+{
+ *lock = 0;
+}
+
+void
+S_INIT_LOCK(slock_t *lock)
+{
+ S_UNLOCK(lock);
+}
+
+#endif /* defined(linux) && defined(PPC) */
#endif /* HAS_TEST_AND_SET */
diff --git a/src/backend/utils/adt/dt.c b/src/backend/utils/adt/dt.c
index 4c45d85753c..bf4bb3feb83 100644
--- a/src/backend/utils/adt/dt.c
+++ b/src/backend/utils/adt/dt.c
@@ -7,7 +7,7 @@
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/utils/adt/Attic/dt.c,v 1.29 1997/07/24 20:15:53 momjian Exp $
+ * $Header: /cvsroot/pgsql/src/backend/utils/adt/Attic/dt.c,v 1.30 1997/07/29 14:07:54 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@@ -3758,3 +3758,30 @@ printf( "EncodeTimeSpan- result is %s\n", str);
return 0;
} /* EncodeTimeSpan() */
+
+
+#if defined(linux) && defined(PPC)
+int datetime_is_epoch(double j)
+{
+ static union {
+ double epoch;
+ unsigned char c[8];
+ } u;
+
+ u.c[0] = 0x80; /* sign bit */
+ u.c[1] = 0x10; /* DBL_MIN */
+
+ return(j == u.epoch);
+}
+int datetime_is_current(double j)
+{
+ static union {
+ double current;
+ unsigned char c[8];
+ } u;
+
+ u.c[1] = 0x10; /* DBL_MIN */
+
+ return(j == u.current);
+}
+#endif
diff --git a/src/include/port/linux.h b/src/include/port/linux.h
index 7735f3ab0fd..261ce240a5f 100644
--- a/src/include/port/linux.h
+++ b/src/include/port/linux.h
@@ -7,11 +7,20 @@
# define JMP_BUF
# define USE_POSIX_TIME
# define USE_POSIX_SIGNALS
-# if !defined(PPC)
-# define NEED_I386_TAS_ASM
-# define HAS_TEST_AND_SET
+# define NEED_I386_TAS_ASM
+# define HAS_TEST_AND_SET
+
+# if defined(PPC)
+ typedef unsigned int slock_t;
+# else
typedef unsigned char slock_t;
# endif
+
+# if defined(PPC)
+# undef NEED_I386_TAS_ASM
+# undef HAVE_INT_TIMEZONE
+# endif
+
# if defined(sparc)
# undef NEED_I386_TAS_ASM
# endif
diff --git a/src/include/utils/dt.h b/src/include/utils/dt.h
index 1de22f70df2..edf9715f931 100644
--- a/src/include/utils/dt.h
+++ b/src/include/utils/dt.h
@@ -8,7 +8,7 @@
*
* Copyright (c) 1994, Regents of the University of California
*
- * $Id: dt.h,v 1.13 1997/07/01 00:25:30 thomas Exp $
+ * $Id: dt.h,v 1.14 1997/07/29 14:08:21 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@@ -215,10 +215,20 @@ typedef struct {
#define DATETIME_IS_NOEND(j) (j == DT_NOEND)
#define DATETIME_CURRENT(j) {j = DT_CURRENT;}
+#if defined(linux) && defined(PPC)
+extern int datetime_is_current(double j);
+#define DATETIME_IS_CURRENT(j) datetime_is_current(j)
+#else
#define DATETIME_IS_CURRENT(j) (j == DT_CURRENT)
+#endif
#define DATETIME_EPOCH(j) {j = DT_EPOCH;}
+#if defined(linux) && defined(PPC)
+extern int datetime_is_epoch(double j);
+#define DATETIME_IS_EPOCH(j) datetime_is_epoch(j)
+#else
#define DATETIME_IS_EPOCH(j) (j == DT_EPOCH)
+#endif
#define DATETIME_IS_RELATIVE(j) (DATETIME_IS_CURRENT(j) || DATETIME_IS_EPOCH(j))
#define DATETIME_NOT_FINITE(j) (DATETIME_IS_INVALID(j) \
diff --git a/src/interfaces/libpq/Makefile b/src/interfaces/libpq/Makefile
index c9a095de77b..32510ddf883 100644
--- a/src/interfaces/libpq/Makefile
+++ b/src/interfaces/libpq/Makefile
@@ -7,7 +7,7 @@
#
#
# IDENTIFICATION
-# $Header: /cvsroot/pgsql/src/interfaces/libpq/Makefile,v 1.35 1997/04/04 10:42:34 scrappy Exp $
+# $Header: /cvsroot/pgsql/src/interfaces/libpq/Makefile,v 1.36 1997/07/29 14:08:34 momjian Exp $
#
#-------------------------------------------------------------------------
@@ -34,6 +34,7 @@ ifeq ($(PORTNAME), linux)
install-shlib-dep := install-shlib
shlib := libpq.so.1
LDFLAGS_SL = -shared
+ CFLAGS += $(CFLAGS_SL)
endif
endif
ifeq ($(PORTNAME), BSD44_derived)
diff --git a/src/makefiles/Makefile.linux b/src/makefiles/Makefile.linux
index 528423701c0..7179f0b0ad6 100644
--- a/src/makefiles/Makefile.linux
+++ b/src/makefiles/Makefile.linux
@@ -1,5 +1,5 @@
ifdef LINUX_ELF
-LDFLAGS+= -rdynamic -Wl,-rpath -Wl,$(DESTDIR)$(LIBDIR)
+LDFLAGS+= -export-dynamic -Wl,-rpath -Wl,$(DESTDIR)$(LIBDIR)
endif
MK_NO_LORDER= true
diff --git a/src/test/regress/GNUmakefile b/src/test/regress/GNUmakefile
index 9f26ab11b14..6cab363a6e4 100644
--- a/src/test/regress/GNUmakefile
+++ b/src/test/regress/GNUmakefile
@@ -7,14 +7,14 @@
#
#
# IDENTIFICATION
-# $Header: /cvsroot/pgsql/src/test/regress/GNUmakefile,v 1.8 1997/06/06 01:35:57 scrappy Exp $
+# $Header: /cvsroot/pgsql/src/test/regress/GNUmakefile,v 1.9 1997/07/29 14:09:11 momjian Exp $
#
#-------------------------------------------------------------------------
SRCDIR= ../..
include ../../Makefile.global
-CFLAGS+= -I$(LIBPQDIR) -I../../include
+CFLAGS+= -I$(LIBPQDIR) -I../../include $(CFLAGS_SL)
LDADD+= -L$(LIBPQDIR) -lpq
--
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