add loongarch64 architecture support

Signed-off-by: Jingyun Hua <huajingyun@loongson.cn>

0001-add-loongarch64-architecture-support.patch

@@ -0,0 +1,65 @@
+From 5bad26bce4675cd6b590a2e990e69ff7a6c187b5 Mon Sep 17 00:00:00 2001
+From: wang--ge <wang__ge@126.com>
+Date: Sat, 7 May 2022 14:39:18 +0800
+Subject: [PATCH] add loongarch64 architecture support
+
+---
+ .../platform/switch_loongarch64_linux.h       | 31 +++++++++++++++++++
+ src/greenlet/slp_platformselect.h             |  2 ++
+ 2 files changed, 33 insertions(+)
+ create mode 100644 src/greenlet/platform/switch_loongarch64_linux.h
+
+diff --git a/src/greenlet/platform/switch_loongarch64_linux.h b/src/greenlet/platform/switch_loongarch64_linux.h
+new file mode 100644
+index 0000000..4252561
+--- /dev/null
++++ b/src/greenlet/platform/switch_loongarch64_linux.h
+@@ -0,0 +1,31 @@
++#define STACK_REFPLUS 1
++
++#ifdef SLP_EVAL
++#define STACK_MAGIC 0
++
++#define REGS_TO_SAVE "s0", "s1", "s2", "s3", "s4", "s5", \
++                    "s6", "s7", "s8", "fp", \
++                    "f24", "f25", "f26", "f27", "f28", "f29", "f30", "f31"
++
++static int
++slp_switch(void)
++{
++  register int ret;
++  register long *stackref, stsizediff;
++  __asm__ volatile ("" : : : REGS_TO_SAVE);
++  __asm__ volatile ("move %0, $sp" : "=r" (stackref) : );
++  {
++      SLP_SAVE_STATE(stackref, stsizediff);
++      __asm__ volatile (
++         "add.d $sp, $sp, %0\n\t"
++         : /* no outputs */
++         : "r" (stsizediff)
++         );
++      SLP_RESTORE_STATE();
++  }
++  __asm__ volatile ("" : : : REGS_TO_SAVE);
++  __asm__ volatile ("move %0, $zero" : "=r" (ret) : );
++  return ret;
++}
++
++#endif
+\ No newline at end of file
+diff --git a/src/greenlet/slp_platformselect.h b/src/greenlet/slp_platformselect.h
+index b5e8eb6..1766e16 100644
+--- a/src/greenlet/slp_platformselect.h
++++ b/src/greenlet/slp_platformselect.h
+@@ -45,6 +45,8 @@
+ #endif
+ #elif defined(__GNUC__) && defined(__mips__) && defined(__linux__)
+ #include "platform/switch_mips_unix.h" /* Linux/MIPS */
++#elif defined(__GNUC__) && defined(__loongarch64) && defined(__linux__)
++#include "platform/switch_loongarch64_linux.h" /* Linux/LoongArch64 */
+ #elif defined(__GNUC__) && defined(__aarch64__)
+ #include "platform/switch_aarch64_gcc.h" /* Aarch64 ABI */
+ #elif defined(__GNUC__) && defined(__mc68000__)
+-- 
+2.27.0
+

python-greenlet.spec

@@ -1,11 +1,13 @@
 Name:            python-greenlet
 Version:         1.1.2
-Release:         1
+Release:         2
 Summary:         lightweight coroutines for in-process concurrent programming
 License:         Python-2.0 and MIT
 URL:             https://github.com/python-greenlet/greenlet
 Source0:         https://files.pythonhosted.org/packages/0c/10/754e21b5bea89d0e73f99d60c83754df7cc64db74f47d98ab187669ce341/greenlet-1.1.2.tar.gz
 
+Patch0:          0001-add-loongarch64-architecture-support.patch
+
 %description
 The greenlet package is a spin-off of Stackless, a version of CPython
 that supports micro-threads called "tasklets". Tasklets run pseudo-concurrently
@@ -38,7 +40,10 @@ This package contains libraries and headier files for developing applications
 that use python3-greenlet.
 
 %prep
-%autosetup -n greenlet-%{version} -p1
+%setup -n greenlet-%{version}
+%ifarch loongarch64
+%patch0 -p1
+%endif
 
 %build
 %py3_build
@@ -60,6 +65,9 @@ that use python3-greenlet.
 %{_includedir}/python%{python3_version}*/greenlet/
 
 %changelog
+* Thu Nov 17 2022 huajingyun <huajingyun@loongson.cn> - 1.1.2-2
+- add loongarch64 architecture support
+
 * Wed Mar 30 2022 caodongxia <caodongxia@huawei.com> - 1.1.2-1
 - update to 1.1.2