From df547703bb90026dcff152e64bc55503ad26d815 Mon Sep 17 00:00:00 2001
From: wuzx <wuzx1226@qq.com>
Date: Fri, 18 Nov 2022 13:19:49 +0800
Subject: [PATCH] Add sw64 architecture

Add sw64 architecture in file bindings/swig/python/audit.py config.guess config.sub lib/libaudit.h src/libev/ev.c and tools/ausyscall/ausyscall.c to support sw64 architecture.

Signed-off-by: wuzx <wuzx1226@qq.com>
---
 bindings/swig/python/audit.py | 1 +
 config.guess                  | 8 ++++++++
 config.sub                    | 1 +
 lib/libaudit.h                | 1 +
 src/libev/ev.c                | 3 +++
 tools/ausyscall/ausyscall.c   | 6 ++++++
 6 files changed, 20 insertions(+)

diff --git a/bindings/swig/python/audit.py b/bindings/swig/python/audit.py
index 69631a7..14fa89b 100644
--- a/bindings/swig/python/audit.py
+++ b/bindings/swig/python/audit.py
@@ -607,6 +607,7 @@ MACH_PPC = _audit.MACH_PPC
 MACH_S390X = _audit.MACH_S390X
 MACH_S390 = _audit.MACH_S390
 MACH_ALPHA = _audit.MACH_ALPHA
+MACH_SW_64 = _audit.MACH_SW_64
 MACH_ARM = _audit.MACH_ARM
 MACH_AARCH64 = _audit.MACH_AARCH64
 MACH_PPC64LE = _audit.MACH_PPC64LE
diff --git a/config.guess b/config.guess
index b33c9e8..69e3005 100755
--- a/config.guess
+++ b/config.guess
@@ -913,6 +913,14 @@ EOF
 	UNAME_MACHINE=aarch64_be
 	echo "$UNAME_MACHINE"-unknown-linux-"$LIBC"
 	exit ;;
+    sw_64:Linux:*:*)
+	case `sed -n '/^cpu model/s/^.*: \(.*\)/\1/p' < /proc/cpuinfo` in
+	  sw)   UNAME_MACHINE=sw_64 ;;
+	esac
+	objdump --private-headers /bin/sh | grep -q ld.so.1
+	if test "$?" = 0 ; then LIBC=gnulibc1 ; fi
+	echo "$UNAME_MACHINE"-sunway-linux-"$LIBC"
+	exit ;;
     alpha:Linux:*:*)
 	case `sed -n '/^cpu model/s/^.*: \(.*\)/\1/p' < /proc/cpuinfo` in
 	  EV5)   UNAME_MACHINE=alphaev5 ;;
diff --git a/config.sub b/config.sub
index b51fb8c..76babe9 100755
--- a/config.sub
+++ b/config.sub
@@ -1157,6 +1157,7 @@ case $cpu-$vendor in
 			| a29k \
 			| aarch64 | aarch64_be \
 			| abacus \
+			| sw_64 \
 			| alpha | alphaev[4-8] | alphaev56 | alphaev6[78] \
 			| alpha64 | alpha64ev[4-8] | alpha64ev56 | alpha64ev6[78] \
 			| alphapca5[67] | alpha64pca5[67] \
diff --git a/lib/libaudit.h b/lib/libaudit.h
index 3a8e8c8..16af222 100644
--- a/lib/libaudit.h
+++ b/lib/libaudit.h
@@ -561,6 +561,7 @@ typedef enum {
 	MACH_S390X,
 	MACH_S390,
 	MACH_ALPHA,	// Deprecated but has to stay
+	MACH_SW_64,	// Deprecated but has to stay
 	MACH_ARM,
 	MACH_AARCH64,
 	MACH_PPC64LE
diff --git a/src/libev/ev.c b/src/libev/ev.c
index 5ff936c..72765b5 100644
--- a/src/libev/ev.c
+++ b/src/libev/ev.c
@@ -828,6 +828,8 @@ struct signalfd_siginfo
       #define ECB_MEMORY_FENCE         __asm__ __volatile__ (".set mips2; sync; .set mips0" : : : "memory")
     #elif defined __alpha__
       #define ECB_MEMORY_FENCE         __asm__ __volatile__ ("mb"       : : : "memory")
+    #elif defined __sw_64__
+      #define ECB_MEMORY_FENCE         __asm__ __volatile__ ("memb"       : : : "memory")
     #elif defined __hppa__
       #define ECB_MEMORY_FENCE         __asm__ __volatile__ (""         : : : "memory")
       #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("")
@@ -1550,6 +1552,7 @@ ecb_binary32_to_binary16 (uint32_t x)
     || defined __s390__ || defined __s390x__ \
     || defined __mips__ \
     || defined __alpha__ \
+    || defined __sw_64__ \
     || defined __hppa__ \
     || defined __ia64__ \
     || defined __m68k__ \
diff --git a/tools/ausyscall/ausyscall.c b/tools/ausyscall/ausyscall.c
index 4fb8f09..206e9ff 100644
--- a/tools/ausyscall/ausyscall.c
+++ b/tools/ausyscall/ausyscall.c
@@ -73,6 +73,12 @@ int main(int argc, char *argv[])
 		} else if (strcmp("ia64", argv[i]) == 0) {
 			fputs("IA64 processor support is deprecated\n",
 					stderr);
+#ifndef WITH_SW_64
+		} else if (strcmp("sw_64", argv[i]) == 0) {
+			fputs("Sw_64 eabi processor support is not enabled\n",
+					stderr);
+			exit(1);
+#endif
 #ifndef WITH_ARM
 		} else if (strcmp("arm", argv[i]) == 0) {
 			fputs("Arm eabi processor support is not enabled\n",
-- 
2.33.0