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From 6ade473e440b2da11e6ecf6a69c4f1b309ab7624 Mon Sep 17 00:00:00 2001
From: wang--ge <wang__ge@126.com>
Date: Tue, 12 Apr 2022 19:47:14 +0800
Subject: [PATCH] add loongarch architecture
---
configure.ac | 2 +-
include/private/gcconfig.h | 31 +++++++++++++++++++++++++++++++
os_dep.c | 2 +-
3 files changed, 33 insertions(+), 2 deletions(-)
diff --git a/configure.ac b/configure.ac
index 2bc1282..7cc02a9 100644
--- a/configure.ac
+++ b/configure.ac
@@ -208,7 +208,7 @@ case "$THREADS" in
*-*-aix* | *-*-android* | *-*-cygwin* | *-*-darwin* | *-*-dragonfly* | \
*-*-freebsd* | *-*-haiku* | *-*-hpux11* | *-*-irix* | \
*-*-kfreebsd*-gnu | *-*-gnu* | *-*-*linux* | *-*-msys* | *-*-nacl* | \
- *-*-netbsd* | *-*-openbsd* | *-*-osf* | *-*-solaris*)
+ *-*-netbsd* | *-*-openbsd* | *-*-osf* | *-*-solaris* | loongarch*)
AC_DEFINE(GC_THREADS)
AC_DEFINE([_REENTRANT], [1],
[Required define if using POSIX threads.])
diff --git a/include/private/gcconfig.h b/include/private/gcconfig.h
index b4457c1..5826ad5 100644
--- a/include/private/gcconfig.h
+++ b/include/private/gcconfig.h
@@ -226,6 +226,14 @@ EXTERN_C_BEGIN
# define VAX
# define mach_type_known
# endif
+# if defined(__loongarch64)
+# define LOONGARCH64
+# define mach_type_known
+# endif
+# if defined(__loongarch64)
+# define LOONGARCH64
+# define mach_type_known
+# endif
# if (defined(mips) || defined(__mips) || defined(_mips)) && !defined(__TANDEM)
# define MIPS
# if defined(nec_ews) || defined(_nec_ews)
@@ -518,6 +526,10 @@ EXTERN_C_BEGIN
# define AARCH64
# define mach_type_known
# endif
+# if defined(FREEBSD) && (defined(__loongarch64) )
+# define LOONGARCH64
+# define mach_type_known
+# endif
# if defined(FREEBSD) && (defined(mips) || defined(__mips) || defined(_mips))
# define MIPS
# define mach_type_known
@@ -1702,6 +1714,25 @@ EXTERN_C_BEGIN
# define STACKBOTTOM ((ptr_t)0xfffff000) /* for Encore */
# endif
+# ifdef LOONGARCH64
+# define MACH_TYPE "LOONGARCH64"
+# ifdef LINUX
+# define OS_TYPE "LINUX"
+# define DYNAMIC_LOADING
+ extern int _end[];
+# pragma weak __data_start
+ extern int __data_start[];
+# define DATASTART ((ptr_t)(__data_start))
+# define DATAEND ((ptr_t)(_end))
+# define CPP_WORDSZ 64
+# define ALIGNMENT (64/8)
+# ifndef HBLKSIZE
+# define HBLKSIZE 4096
+# endif
+# define LINUX_STACKBOTTOM
+# endif
+# endif
+
# ifdef LOONGARCH
# define MACH_TYPE "LoongArch"
# ifdef LINUX
diff --git a/os_dep.c b/os_dep.c
index e116ad0..947ac7f 100644
--- a/os_dep.c
+++ b/os_dep.c
@@ -3239,7 +3239,7 @@ GC_API GC_push_other_roots_proc GC_CALL GC_get_push_other_roots(void)
# ifndef SEGV_ACCERR
# define SEGV_ACCERR 2
# endif
-# if defined(AARCH64) || defined(ARM32) || defined(MIPS) \
+# if defined(AARCH64) || defined(ARM32) || defined(MIPS) || defined(LOONGARCH64) \
|| __FreeBSD__ >= 7
# define CODE_OK (si -> si_code == SEGV_ACCERR)
# elif defined(POWERPC)
--
2.27.0
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