From 0724f0be79e86590eca267a2e1f4d22d2962d837 Mon Sep 17 00:00:00 2001
From: doupengda <doupengda@loongson.cn>
Date: Wed, 1 Feb 2023 10:15:40 +0800
Subject: [PATCH] add loongarch64 support

---
 src/Makefile.am        |  2 +-
 src/Makefile.in        |  7 ++++---
 src/arch-loongarch64.c | 38 ++++++++++++++++++++++++++++++++++++++
 3 files changed, 43 insertions(+), 4 deletions(-)
 create mode 100644 src/arch-loongarch64.c

diff --git a/src/Makefile.am b/src/Makefile.am
index a4c65f2..c18d0fd 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -13,7 +13,7 @@ bin_PROGRAMS = execstack
 arch_SOURCES = arch-i386.c arch-alpha.c arch-ppc.c arch-ppc64.c \
 	       arch-sparc.c arch-sparc64.c arch-x86_64.c arch-mips.c \
 	       arch-s390.c arch-s390x.c arch-arm.c arch-sh.c arch-ia64.c \
-	       arch-aarch64.c
+	       arch-aarch64.c arch-loongarch64.c
 common_SOURCES = checksum.c data.c dso.c dwarf2.c dwarf2.h fptr.c fptr.h     \
 		 hashtab.c hashtab.h mdebug.c prelink.h stabs.c crc32.c
 prelink_SOURCES = cache.c conflict.c cxx.c doit.c exec.c execle_open.c get.c \
diff --git a/src/Makefile.in b/src/Makefile.in
index 863dc83..7a70b68 100644
--- a/src/Makefile.in
+++ b/src/Makefile.in
@@ -108,7 +108,7 @@ bin_PROGRAMS = execstack
 arch_SOURCES = arch-i386.c arch-alpha.c arch-ppc.c arch-ppc64.c \
 	       arch-sparc.c arch-sparc64.c arch-x86_64.c arch-mips.c \
 	       arch-s390.c arch-s390x.c arch-arm.c arch-sh.c arch-ia64.c \
-	       arch-aarch64.c
+	       arch-aarch64.c arch-loongarch64.c
 
 common_SOURCES = checksum.c data.c dso.c dwarf2.c dwarf2.h fptr.c fptr.h     \
 		 hashtab.c hashtab.h mdebug.c prelink.h stabs.c crc32.c
@@ -141,7 +141,7 @@ am__objects_2 = arch-i386.$(OBJEXT) arch-alpha.$(OBJEXT) \
 	arch-sparc64.$(OBJEXT) arch-x86_64.$(OBJEXT) \
 	arch-mips.$(OBJEXT) arch-s390.$(OBJEXT) arch-s390x.$(OBJEXT) \
 	arch-arm.$(OBJEXT) arch-sh.$(OBJEXT) arch-ia64.$(OBJEXT) \
-	arch-aarch64.$(OBJEXT)
+	arch-aarch64.$(OBJEXT) arch-loongarch64.$(OBJEXT)
 am_execstack_OBJECTS = execstack.$(OBJEXT) $(am__objects_1) \
 	$(am__objects_2)
 execstack_OBJECTS = $(am_execstack_OBJECTS)
@@ -165,7 +165,7 @@ depcomp = $(SHELL) $(top_srcdir)/depcomp
 am__depfiles_maybe = depfiles
 @AMDEP_TRUE@DEP_FILES = ./$(DEPDIR)/arch-alpha.Po \
 @AMDEP_TRUE@	./$(DEPDIR)/arch-arm.Po ./$(DEPDIR)/arch-aarch64.Po ./$(DEPDIR)/arch-i386.Po \
-@AMDEP_TRUE@	./$(DEPDIR)/arch-ia64.Po ./$(DEPDIR)/arch-mips.Po \
+@AMDEP_TRUE@	./$(DEPDIR)/arch-ia64.Po ./$(DEPDIR)/arch-mips.Po ./$(DEPDIR)/arch-loongarch64.Po \
 @AMDEP_TRUE@	./$(DEPDIR)/arch-ppc.Po ./$(DEPDIR)/arch-ppc64.Po \
 @AMDEP_TRUE@	./$(DEPDIR)/arch-s390.Po ./$(DEPDIR)/arch-s390x.Po \
 @AMDEP_TRUE@	./$(DEPDIR)/arch-sh.Po ./$(DEPDIR)/arch-sparc.Po \
@@ -283,6 +283,7 @@ distclean-compile:
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/arch-i386.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/arch-ia64.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/arch-mips.Po@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/arch-loongarch64.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/arch-ppc.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/arch-ppc64.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/arch-s390.Po@am__quote@
diff --git a/src/arch-loongarch64.c b/src/arch-loongarch64.c
new file mode 100644
index 0000000..fcb1951
--- /dev/null
+++ b/src/arch-loongarch64.c
@@ -0,0 +1,38 @@
+/* Copyright (C) 2015 Red Hat, Inc.
+   Written by Mark Salter <msalter@redhat.com>, 2015.
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 2, or (at your option)
+   any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software Foundation,
+   Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
+
+#include <config.h>
+#include <assert.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <stdio.h>
+#include <string.h>
+#include <locale.h>
+#include <error.h>
+#include <argp.h>
+#include <stdlib.h>
+
+#include "prelink.h"
+
+PL_ARCH = {
+  .name = "loongarch64",
+  .class = ELFCLASS64,
+  .machine = EM_LOONGARCH,
+  .alternate_machine = { EM_NONE },
+  .max_page_size = 0x10000,
+  .page_size = 0x1000
+};
-- 
2.33.0