!57 [sync] PR-55: add sw_64 support

From: @openeuler-sync-bot 
Reviewed-by: @dillon_chen 
Signed-off-by: @dillon_chen

add-sw_64-support.patch

@@ -0,0 +1,80 @@
+From ed05d50b808df2bb0d11456515896a40e620389b Mon Sep 17 00:00:00 2001
+From: mahailiang <mahailiang@uniontech.com>
+Date: Sat, 15 Mar 2025 11:46:26 +0800
+Subject: [PATCH] add sw_64 support
+
+---
+ contrib/pgcrypto/crypt-blowfish.c |  2 +-
+ src/include/storage/s_lock.h      | 43 +++++++++++++++++++++++++++++++
+ 2 files changed, 44 insertions(+), 1 deletion(-)
+
+diff --git a/contrib/pgcrypto/crypt-blowfish.c b/contrib/pgcrypto/crypt-blowfish.c
+index a663852..e6d72b2 100644
+--- a/contrib/pgcrypto/crypt-blowfish.c
++++ b/contrib/pgcrypto/crypt-blowfish.c
+@@ -41,7 +41,7 @@
+ #ifdef __i386__
+ #define BF_ASM				0	/* 1 */
+ #define BF_SCALE			1
+-#elif defined(__x86_64__) || defined(__alpha__) || defined(__hppa__)
++#elif defined(__x86_64__) || defined(__alpha__) || defined(__hppa__) || defined(__sw_64__)
+ #define BF_ASM				0
+ #define BF_SCALE			1
+ #else
+diff --git a/src/include/storage/s_lock.h b/src/include/storage/s_lock.h
+index 1ada0a8..3afd20e 100644
+--- a/src/include/storage/s_lock.h
++++ b/src/include/storage/s_lock.h
+@@ -771,6 +771,49 @@ tas(volatile slock_t *lock)
+ 
+ #endif	 /* __sh__ */
+ 
++#if defined(__sw_64) || defined(__sw_64__)      /* sw_64 */
++#define HAS_TEST_AND_SET
++
++typedef unsigned long slock_t;
++
++#define TAS(lock)  tas(lock)
++
++static __inline__ int
++tas(volatile slock_t *lock)
++{
++        register slock_t _res;
++        unsigned long tmp;
++        __asm__ __volatile__(
++                "       ldl             $0, %1  \n"
++                "       bne             $0, 2f  \n"
++                "       ldi              %2, %1\n"
++                "       lldl   %0, 0(%2)  \n"
++                "       mov             1,  $0  \n"
++                "       wr_f             $0 \n"
++                "       memb \n"
++                "       lstl   $0, 0(%2)  \n"
++                "       rd_f  $0 \n"
++                "       bne             %0, 2f  \n"
++                "       beq             $0, 2f  \n"
++                "       memb                              \n"
++                "       br              3f              \n"
++                "2:     mov             1, %0   \n"
++                "3:                                     \n"
++:               "=&r"(_res), "+m"(*lock),"=r" (tmp)
++:
++:               "memory", "0");
++        return (int) _res;
++}
++
++#define S_UNLOCK(lock)  \
++do \
++{\
++        __asm__ __volatile__ (" memb \n"); \
++        *((volatile slock_t *) (lock)) = 0; \
++} while (0)
++
++#endif /* __sw_64 || __sw_64__ */
++
+ 
+ /* These live in s_lock.c, but only for gcc */
+ 
+-- 
+2.43.5
+

libpq.spec

@@ -1,6 +1,6 @@
 Name: libpq
 Version: 15.12
-Release: 1
+Release: 2
 Summary: PostgreSQL client library
 License: PostgreSQL
 Url: http://www.postgresql.org/
@@ -10,6 +10,7 @@ Patch0001: libpq-10.3-rpm-pgsql.patch
 Patch0002: libpq-10.3-var-run-socket.patch
 Patch0003: libpq-12.1-symbol-versioning.patch
 Patch0004: add-loongarch-support.patch
+Patch0005: add-sw_64-support.patch
 
 BuildRequires: gcc glibc-devel bison flex gawk zlib-devel openssl-devel
 BuildRequires: krb5-devel openldap-devel gettext multilib-rpm-config
@@ -80,6 +81,9 @@ cat pg_config-15.lang >>libpq-devel.lst
 %_libdir/pkgconfig/libpq.pc
 
 %changelog
+* Sat Mar 15 2025 mahailiang <mahailiang@uniontech.com> - 15.12-2
+- add sw_64 support
+
 * Thu Feb 20 2025 Funda Wang <fundawang@yeah.net> - 15.12-1
 - update to 15.12 to fix CVE-2025-1094