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File _service:obs_scm:0001-protobuf2-add-support-for-loongarch64.patch of Package protobuf2
From 9c9e1156d8e2e8e0e30c32669e3ca67d5b10c902 Mon Sep 17 00:00:00 2001 From: Jingyun Hua <huajingyun@loongson.cn> Date: Tue, 23 May 2023 08:15:12 +0000 Subject: [PATCH] protobuf2: add support for loongarch64 Signed-off-by: Jingyun Hua <huajingyun@loongson.cn> --- autogen.sh | 5 +- configure.ac | 2 +- src/Makefile.am | 1 + src/google/protobuf/stubs/atomicops.h | 2 + .../atomicops_internals_loongarch64_gcc.h | 286 ++++++++++++++++++ src/google/protobuf/stubs/platform_macros.h | 3 + 6 files changed, 296 insertions(+), 3 deletions(-) create mode 100644 src/google/protobuf/stubs/atomicops_internals_loongarch64_gcc.h diff --git a/autogen.sh b/autogen.sh index c3e026d..d22d73c 100755 --- a/autogen.sh +++ b/autogen.sh @@ -19,8 +19,9 @@ fi # directory is set up as an SVN external. if test ! -e gtest; then echo "Google Test not present. Fetching gtest-1.5.0 from the web..." - curl http://googletest.googlecode.com/files/gtest-1.5.0.tar.bz2 | tar jx - mv gtest-1.5.0 gtest +# curl http://googletest.googlecode.com/files/gtest-1.5.0.tar.bz2 | tar jx + curl https://github.com/google/googletest/archive/release-1.5.0.tar.gz |tar jx + mv googletest-release-1.5.0 gtest fi set -ex diff --git a/configure.ac b/configure.ac index b232529..48ef60a 100644 --- a/configure.ac +++ b/configure.ac @@ -29,7 +29,7 @@ AS_IF([test "x${ac_cv_env_CXXFLAGS_set}" = "x"], AC_CANONICAL_TARGET -AM_INIT_AUTOMAKE +AM_INIT_AUTOMAKE([subdir-objects]) AC_ARG_WITH([zlib], [AS_HELP_STRING([--with-zlib], diff --git a/src/Makefile.am b/src/Makefile.am index 6f5c21d..00cce72 100644 --- a/src/Makefile.am +++ b/src/Makefile.am @@ -48,6 +48,7 @@ nobase_include_HEADERS = \ google/protobuf/stubs/atomicops_internals_pnacl.h \ google/protobuf/stubs/atomicops_internals_x86_gcc.h \ google/protobuf/stubs/atomicops_internals_x86_msvc.h \ + google/protobuf/stubs/atomicops_internals_loongarch64_gcc.h \ google/protobuf/stubs/common.h \ google/protobuf/stubs/platform_macros.h \ google/protobuf/stubs/once.h \ diff --git a/src/google/protobuf/stubs/atomicops.h b/src/google/protobuf/stubs/atomicops.h index 883b125..3c0e154 100644 --- a/src/google/protobuf/stubs/atomicops.h +++ b/src/google/protobuf/stubs/atomicops.h @@ -184,6 +184,8 @@ GOOGLE_PROTOBUF_ATOMICOPS_ERROR #include <google/protobuf/stubs/atomicops_internals_mips_gcc.h> #elif defined(__pnacl__) #include <google/protobuf/stubs/atomicops_internals_pnacl.h> +#elif defined(GOOGLE_PROTOBUF_ARCH_LOONGARCH64) +#include <google/protobuf/stubs/atomicops_internals_loongarch64_gcc.h> #else #include <google/protobuf/stubs/atomicops_internals_generic_gcc.h> #endif diff --git a/src/google/protobuf/stubs/atomicops_internals_loongarch64_gcc.h b/src/google/protobuf/stubs/atomicops_internals_loongarch64_gcc.h new file mode 100644 index 0000000..4bbdf70 --- /dev/null +++ b/src/google/protobuf/stubs/atomicops_internals_loongarch64_gcc.h @@ -0,0 +1,286 @@ +// Protocol Buffers - Google's data interchange format +// Copyright 2012 Google Inc. All rights reserved. +// http://code.google.com/p/protobuf/ +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +// This file is an internal atomic implementation, use atomicops.h instead. + +#ifndef GOOGLE_PROTOBUF_ATOMICOPS_INTERNALS_LOONGARCH64_GCC_H_ +#define GOOGLE_PROTOBUF_ATOMICOPS_INTERNALS_LOONGARCH64_GCC_H_ + +#define ATOMICOPS_COMPILER_BARRIER() __asm__ __volatile__("" : : : "memory") + +namespace google { +namespace protobuf { +namespace internal { + +// Atomically execute: +// result = *ptr; +// if (*ptr == old_value) +// *ptr = new_value; +// return result; +// +// I.e., replace "*ptr" with "new_value" if "*ptr" used to be "old_value". +// Always return the old value of "*ptr" +// +// This routine implies no memory barriers. + +inline Atomic32 NoBarrier_CompareAndSwap(volatile Atomic32* ptr, + Atomic32 old_value, + Atomic32 new_value) { + Atomic32 prev, tmp; + __asm__ __volatile__("1:\n" + "ll.w %0, %5\n" // prev = *ptr + "bne %0, %3, 2f\n" // if (prev != old_value) goto 2 + "move %2, %4\n" // tmp = new_value + "sc.w %2, %1\n" // *ptr = tmp (with atomic check) + "beqz %2, 1b\n" // start again on atomic error + "2:\n" + : "=&r" (prev), "=m" (*ptr), "=&r" (tmp) + : "r" (old_value), "r" (new_value), "m" (*ptr) + : "memory"); + return prev; +} + +// Atomically store new_value into *ptr, returning the previous value held in +// *ptr. This routine implies no memory barriers. +inline Atomic32 NoBarrier_AtomicExchange(volatile Atomic32* ptr, + Atomic32 new_value) { + Atomic32 temp, old; + __asm__ __volatile__("1:\n" + "ll.w %1, %2\n" // old = *ptr + "move %0, %3\n" // temp = new_value + "sc.w %0, %2\n" // *ptr = temp (with atomic check) + "beqz %0, 1b\n" // start again on atomic error + : "=&r" (temp), "=&r" (old), "=m" (*ptr) + : "r" (new_value), "m" (*ptr) + : "memory"); + + return old; +} + +// Atomically increment *ptr by "increment". Returns the new value of +// *ptr with the increment applied. This routine implies no memory barriers. +inline Atomic32 NoBarrier_AtomicIncrement(volatile Atomic32* ptr, + Atomic32 increment) { + Atomic32 temp, temp2; + + __asm__ __volatile__("1:\n" + "ll.w %0, %2\n" // temp = *ptr + "add.w %1, %0, %3\n" // temp2 = temp + increment + "sc.w %1, %2\n" // *ptr = temp2 (with atomic check) + "beqz %1, 1b\n" // start again on atomic error + "add.w %1, %0, %3\n" // temp2 = temp + increment + : "=&r" (temp), "=&r" (temp2), "=m" (*ptr) + : "r" (increment), "m" (*ptr) + : "memory"); + // temp2 now holds the final value. + return temp2; +} + +inline Atomic32 Barrier_AtomicIncrement(volatile Atomic32* ptr, + Atomic32 increment) { + MemoryBarrier(); + Atomic32 res = NoBarrier_AtomicIncrement(ptr, increment); + MemoryBarrier(); + return res; +} + +// "Acquire" operations +// ensure that no later memory access can be reordered ahead of the operation. +// "Release" operations ensure that no previous memory access can be reordered +// after the operation. "Barrier" operations have both "Acquire" and "Release" +// semantics. A MemoryBarrier() has "Barrier" semantics, but does no memory +// access. +inline Atomic32 Acquire_CompareAndSwap(volatile Atomic32* ptr, + Atomic32 old_value, + Atomic32 new_value) { + Atomic32 res = NoBarrier_CompareAndSwap(ptr, old_value, new_value); + MemoryBarrier(); + return res; +} + +inline Atomic32 Release_CompareAndSwap(volatile Atomic32* ptr, + Atomic32 old_value, + Atomic32 new_value) { + MemoryBarrier(); + return NoBarrier_CompareAndSwap(ptr, old_value, new_value); +} + +inline void NoBarrier_Store(volatile Atomic32* ptr, Atomic32 value) { + *ptr = value; +} + +inline void Acquire_Store(volatile Atomic32* ptr, Atomic32 value) { + *ptr = value; + MemoryBarrier(); +} + +inline void Release_Store(volatile Atomic32* ptr, Atomic32 value) { + MemoryBarrier(); + *ptr = value; +} + +inline Atomic32 NoBarrier_Load(volatile const Atomic32* ptr) { + return *ptr; +} + +inline Atomic32 Acquire_Load(volatile const Atomic32* ptr) { + Atomic32 value = *ptr; + MemoryBarrier(); + return value; +} + +inline Atomic32 Release_Load(volatile const Atomic32* ptr) { + MemoryBarrier(); + return *ptr; +} + +//64bit +inline Atomic64 NoBarrier_CompareAndSwap(volatile Atomic64* ptr, + Atomic64 old_value, + Atomic64 new_value) { + Atomic64 prev, tmp; + __asm__ __volatile__("1:\n" + "ll.w %0, %5\n" // prev = *ptr + "bne %0, %3, 2f\n" // if (prev != old_value) goto 2 + "move %2, %4\n" // tmp = new_value + "sc.w %2, %1\n" // *ptr = tmp (with atomic check) + "beqz %2, 1b\n" // start again on atomic error + "2:\n" + : "=&r" (prev), "=m" (*ptr), "=&r" (tmp) + : "r" (old_value), "r" (new_value), "m" (*ptr) + : "memory"); + return prev; +} + +// Atomically store new_value into *ptr, returning the previous value held in +// *ptr. This routine implies no memory barriers. +inline Atomic64 NoBarrier_AtomicExchange(volatile Atomic64* ptr, + Atomic64 new_value) { + Atomic64 temp, old; + __asm__ __volatile__("1:\n" + "ll.w %1, %2\n" // old = *ptr + "move %0, %3\n" // temp = new_value + "sc.w %0, %2\n" // *ptr = temp (with atomic check) + "beqz %0, 1b\n" // start again on atomic error + : "=&r" (temp), "=&r" (old), "=m" (*ptr) + : "r" (new_value), "m" (*ptr) + : "memory"); + + return old; +} + +// Atomically increment *ptr by "increment". Returns the new value of +// *ptr with the increment applied. This routine implies no memory barriers. +inline Atomic64 NoBarrier_AtomicIncrement(volatile Atomic64* ptr, + Atomic64 increment) { + Atomic64 temp, temp2; + + __asm__ __volatile__("1:\n" + "ll.w %0, %2\n" // temp = *ptr + "add.w %1, %0, %3\n" // temp2 = temp + increment + "sc.w %1, %2\n" // *ptr = temp2 (with atomic check) + "beqz %1, 1b\n" // start again on atomic error + "add.w %1, %0, %3\n" // temp2 = temp + increment + : "=&r" (temp), "=&r" (temp2), "=m" (*ptr) + : "r" (increment), "m" (*ptr) + : "memory"); + // temp2 now holds the final value. + return temp2; +} + +inline Atomic64 Barrier_AtomicIncrement(volatile Atomic64* ptr, + Atomic64 increment) { + MemoryBarrier(); + Atomic64 res = NoBarrier_AtomicIncrement(ptr, increment); + MemoryBarrier(); + return res; +} + +// "Acquire" operations +// ensure that no later memory access can be reordered ahead of the operation. +// "Release" operations ensure that no previous memory access can be reordered +// after the operation. "Barrier" operations have both "Acquire" and "Release" +// semantics. A MemoryBarrier() has "Barrier" semantics, but does no memory +// access. +inline Atomic64 Acquire_CompareAndSwap(volatile Atomic64* ptr, + Atomic64 old_value, + Atomic64 new_value) { + Atomic64 res = NoBarrier_CompareAndSwap(ptr, old_value, new_value); + MemoryBarrier(); + return res; +} + +inline Atomic64 Release_CompareAndSwap(volatile Atomic64* ptr, + Atomic64 old_value, + Atomic64 new_value) { + MemoryBarrier(); + return NoBarrier_CompareAndSwap(ptr, old_value, new_value); +} + +inline void NoBarrier_Store(volatile Atomic64* ptr, Atomic64 value) { + *ptr = value; +} + +inline void MemoryBarrier() { + __asm__ __volatile__("dbar 0x0" : : : "memory"); +} + +inline void Acquire_Store(volatile Atomic64* ptr, Atomic64 value) { + *ptr = value; + MemoryBarrier(); +} + +inline void Release_Store(volatile Atomic64* ptr, Atomic64 value) { + MemoryBarrier(); + *ptr = value; +} + +inline Atomic64 NoBarrier_Load(volatile const Atomic64* ptr) { + return *ptr; +} + +inline Atomic64 Acquire_Load(volatile const Atomic64* ptr) { + Atomic64 value = *ptr; + MemoryBarrier(); + return value; +} + +inline Atomic64 Release_Load(volatile const Atomic64* ptr) { + MemoryBarrier(); + return *ptr; +} + +} // namespace internal +} // namespace protobuf +} // namespace google + +#undef ATOMICOPS_COMPILER_BARRIER + +#endif // GOOGLE_PROTOBUF_ATOMICOPS_INTERNALS_LOONGARCH64_GCC_H_ diff --git a/src/google/protobuf/stubs/platform_macros.h b/src/google/protobuf/stubs/platform_macros.h index db691d8..3e17fea 100644 --- a/src/google/protobuf/stubs/platform_macros.h +++ b/src/google/protobuf/stubs/platform_macros.h @@ -69,6 +69,9 @@ #elif defined(__s390__) #define GOOGLE_PROTOBUF_ARCH_32_BIT 1 #define GOOGLE_PROTOBUF_ARCH_S390 1 +#elif defined(_LOONGARCH_ARCH_LOONGARCH64) +#define GOOGLE_PROTOBUF_ARCH_LOONGARCH64 1 +#define GOOGLE_PROTOBUF_ARCH_64_BIT 1 #else #error Host architecture was not detected as supported by protobuf #endif -- 2.33.0
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