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author | Andrew Paprocki <andrew@ishiboo.com> | 2014-10-31 15:56:42 -0400 |
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committer | Andrew Paprocki <andrew@ishiboo.com> | 2014-11-11 15:36:21 -0500 |
commit | ebb41981c85e76f7b27797ac5b90352a41361ae5 (patch) | |
tree | 3c63059027cb9dc9f6f0d6c091ccec96b6cb4cf3 /src | |
parent | 4eaa16f7a9016f69900baa14fff8250fdc085bf3 (diff) | |
download | protobuf-ebb41981c85e76f7b27797ac5b90352a41361ae5.tar.gz protobuf-ebb41981c85e76f7b27797ac5b90352a41361ae5.tar.bz2 protobuf-ebb41981c85e76f7b27797ac5b90352a41361ae5.zip |
Add atomicops for AIX/POWER + IBM xlC compiler.
Diffstat (limited to 'src')
-rw-r--r-- | src/google/protobuf/stubs/atomicops.h | 14 | ||||
-rw-r--r-- | src/google/protobuf/stubs/atomicops_internals_aix.h | 440 | ||||
-rw-r--r-- | src/google/protobuf/stubs/platform_macros.h | 5 |
3 files changed, 459 insertions, 0 deletions
diff --git a/src/google/protobuf/stubs/atomicops.h b/src/google/protobuf/stubs/atomicops.h index b1336e36..bbe2d845 100644 --- a/src/google/protobuf/stubs/atomicops.h +++ b/src/google/protobuf/stubs/atomicops.h @@ -62,6 +62,15 @@ namespace google { namespace protobuf { namespace internal { +#if defined(GOOGLE_PROTOBUF_ARCH_POWER) +#if defined(_LP64) || defined(__LP64__) +typedef int32 Atomic32; +typedef intptr_t Atomic64; +#else +typedef intptr_t Atomic32; +typedef int64 Atomic64; +#endif +#else typedef int32 Atomic32; #ifdef GOOGLE_PROTOBUF_ARCH_64_BIT // We need to be able to go between Atomic64 and AtomicWord implicitly. This @@ -75,6 +84,7 @@ typedef int64 Atomic64; typedef intptr_t Atomic64; #endif #endif +#endif // Use AtomicWord for a machine-sized pointer. It will use the Atomic32 or // Atomic64 routines below, depending on your architecture. @@ -179,6 +189,10 @@ GOOGLE_PROTOBUF_ATOMICOPS_ERROR #elif defined(GOOGLE_PROTOBUF_OS_SOLARIS) #include <google/protobuf/stubs/atomicops_internals_solaris.h> +// AIX +#elif defined(GOOGLE_PROTOBUF_OS_AIX) +#include <google/protobuf/stubs/atomicops_internals_aix.h> + // Apple. #elif defined(GOOGLE_PROTOBUF_OS_APPLE) #include <google/protobuf/stubs/atomicops_internals_macosx.h> diff --git a/src/google/protobuf/stubs/atomicops_internals_aix.h b/src/google/protobuf/stubs/atomicops_internals_aix.h new file mode 100644 index 00000000..b8a42f21 --- /dev/null +++ b/src/google/protobuf/stubs/atomicops_internals_aix.h @@ -0,0 +1,440 @@ +// Copyright 2014 Bloomberg Finance LP. All rights reserved. +// +// 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 Bloomberg Finance LP. 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_AIX_H_ +#define GOOGLE_PROTOBUF_ATOMICOPS_INTERNALS_AIX_H_ + +namespace google { +namespace protobuf { +namespace internal { + +inline Atomic32 NoBarrier_CompareAndSwap(volatile Atomic32* ptr, + Atomic32 old_value, + Atomic32 new_value) { + Atomic32 result; + + asm volatile ( + "1: lwarx %[res], %[zero], %[obj] \n\t" // load and reserve + " cmpw %[cmp], %[res] \n\t" // compare values + " bne- 2f \n\t" + " stwcx. %[val], %[zero], %[obj] \n\t" // store new value + " bne- 1b \n\t" + "2: \n\t" + : [res] "=&b" (result) + : [obj] "b" (ptr), + [cmp] "b" (old_value), + [val] "b" (new_value), + [zero] "i" (0) + : "cr0", "ctr"); + + return result; +} + +inline Atomic32 NoBarrier_AtomicExchange(volatile Atomic32* ptr, + Atomic32 new_value) { + Atomic32 result; + + asm volatile ( + "1: lwarx %[res], %[zero], %[obj] \n\t" + " stwcx. %[val], %[zero], %[obj] \n\t" + " bne- 1b \n\t" + : [res] "=&b" (result) + : [obj] "b" (ptr), + [val] "b" (new_value), + [zero] "i" (0) + : "cr0", "ctr"); + + return result; +} + +inline Atomic32 NoBarrier_AtomicIncrement(volatile Atomic32* ptr, + Atomic32 increment) { + Atomic32 result; + + asm volatile ( + "1: lwarx %[res], %[zero], %[obj] \n\t" // load and reserve + " add %[res], %[val], %[res] \n\t" // add the operand + " stwcx. %[res], %[zero], %[obj] \n\t" // store old value + // if still reserved + " bne- 1b \n\t" + : [res] "=&b" (result) + : [obj] "b" (ptr), + [val] "b" (increment), + [zero] "i" (0) + : "cr0", "ctr"); + + return result; +} + +inline void MemoryBarrier(void) { + asm volatile ( + " lwsync \n\t" + " isync \n\t" + : + : + : "memory"); +} + +inline Atomic32 Barrier_AtomicIncrement(volatile Atomic32* ptr, + Atomic32 increment) { + Atomic32 result; + + asm volatile ( + " lwsync \n\t" + + "1: lwarx %[res], %[zero], %[obj] \n\t" // load and reserve + " add %[res], %[val], %[res] \n\t" // add the operand + " stwcx. %[res], %[zero], %[obj] \n\t" // store old value + // if still reserved + " bne- 1b \n\t" + " isync \n\t" + : [res] "=&b" (result) + : [obj] "b" (ptr), + [val] "b" (increment), + [zero] "i" (0) + : "cr0", "ctr"); + + return result; +} + +inline Atomic32 Acquire_CompareAndSwap(volatile Atomic32* ptr, + Atomic32 old_value, + Atomic32 new_value) { + Atomic32 result; + + asm volatile ( + "1: lwarx %[res], %[zero], %[obj] \n\t" // load and reserve + " cmpw %[cmp], %[res] \n\t" // compare values + " bne- 2f \n\t" + " stwcx. %[val], %[zero], %[obj] \n\t" // store new value + " bne- 1b \n\t" + + " isync \n\t" + "2: \n\t" + : [res] "=&b" (result) + : [obj] "b" (ptr), + [cmp] "b" (old_value), + [val] "b" (new_value), + [zero] "i" (0) + : "cr0", "ctr"); + + return result; +} + +inline Atomic32 Release_CompareAndSwap(volatile Atomic32* ptr, + Atomic32 old_value, + Atomic32 new_value) { + Atomic32 result; + + asm volatile ( + " lwsync \n\t" + + "1: lwarx %[res], %[zero], %[obj] \n\t" // load and reserve + " cmpw %[cmp], %[res] \n\t" // compare values + " bne- 2f \n\t" + " stwcx. %[val], %[zero], %[obj] \n\t" // store new value + " bne- 1b \n\t" + + "2: \n\t" + : [res] "=&b" (result) + : [obj] "b" (ptr), + [cmp] "b" (old_value), + [val] "b" (new_value), + [zero] "i" (0) + : "cr0", "ctr"); + + return result; +} + +inline void NoBarrier_Store(volatile Atomic32* ptr, Atomic32 value) { + *ptr = value; +} + +inline void Acquire_Store(volatile Atomic32* ptr, Atomic32 value) { + asm volatile ( + " stw %[val], %[obj] \n\t" + " isync \n\t" + : [obj] "=m" (*ptr) + : [val] "b" (value)); +} + +inline void Release_Store(volatile Atomic32* ptr, Atomic32 value) { + asm volatile ( + " lwsync \n\t" + " stw %[val], %[obj] \n\t" + : [obj] "=m" (*ptr) + : [val] "b" (value)); +} + +inline Atomic32 NoBarrier_Load(volatile const Atomic32* ptr) { + return *ptr; +} + +inline Atomic32 Acquire_Load(volatile const Atomic32* ptr) { + Atomic32 result; + + asm volatile ( + "1: lwz %[res], %[obj] \n\t" + " cmpw %[res], %[res] \n\t" // create data + // dependency for + // load/load ordering + " bne- 1b \n\t" // never taken + + " isync \n\t" + : [res] "=b" (result) + : [obj] "m" (*ptr), + [zero] "i" (0) + : "cr0", "ctr"); + + return result; +} + +inline Atomic32 Release_Load(volatile const Atomic32* ptr) { + Atomic32 result; + + asm volatile ( + " lwsync \n\t" + + "1: lwz %[res], %[obj] \n\t" + " cmpw %[res], %[res] \n\t" // create data + // dependency for + // load/load ordering + " bne- 1b \n\t" // never taken + : [res] "=b" (result) + : [obj] "m" (*ptr), + [zero] "i" (0) + : "cr0", "ctr"); + + return result; +} + +#ifdef GOOGLE_PROTOBUF_ARCH_64_BIT +inline Atomic64 NoBarrier_CompareAndSwap(volatile Atomic64* ptr, + Atomic64 old_value, + Atomic64 new_value) { + Atomic64 result; + + asm volatile ( + "1: ldarx %[res], %[zero], %[obj] \n\t" // load and reserve + " cmpd %[cmp], %[res] \n\t" // compare values + " bne- 2f \n\t" + + " stdcx. %[val], %[zero], %[obj] \n\t" // store the new value + " bne- 1b \n\t" + "2: \n\t" + : [res] "=&b" (result) + : [obj] "b" (ptr), + [cmp] "b" (old_value), + [val] "b" (new_value), + [zero] "i" (0) + : "cr0", "ctr"); + + return result; +} + +inline Atomic64 NoBarrier_AtomicExchange(volatile Atomic64* ptr, + Atomic64 new_value) { + Atomic64 result; + + asm volatile ( + "1: ldarx %[res], %[zero], %[obj] \n\t" + " stdcx. %[val], %[zero], %[obj] \n\t" + " bne- 1b \n\t" + : [res] "=&b" (result) + : [obj] "b" (ptr), + [val] "b" (new_value), + [zero] "i" (0) + : "cr0", "ctr"); + + return result; +} + +inline Atomic64 NoBarrier_AtomicIncrement(volatile Atomic64* ptr, + Atomic64 increment) { + Atomic64 result; + + asm volatile ( + "1: ldarx %[res], %[zero], %[obj] \n\t" // load and reserve + " add %[res], %[res], %[val] \n\t" // add the operand + " stdcx. %[res], %[zero], %[obj] \n\t" // store old value if + // still reserved + + " bne- 1b \n\t" + : [res] "=&b" (result) + : [obj] "b" (ptr), + [val] "b" (increment), + [zero] "i" (0) + : "cr0", "ctr"); + + return result; +} + +inline Atomic64 Barrier_AtomicIncrement(volatile Atomic64* ptr, + Atomic64 increment) { + + Atomic64 result; + + asm volatile ( + " lwsync \n\t" + + "1: ldarx %[res], %[zero], %[obj] \n\t" // load and reserve + " add %[res], %[res], %[val] \n\t" // add the operand + " stdcx. %[res], %[zero], %[obj] \n\t" // store old value if + // still reserved + + " bne- 1b \n\t" + + " isync \n\t" + : [res] "=&b" (result) + : [obj] "b" (ptr), + [val] "b" (increment), + [zero] "i" (0) + : "cr0", "ctr"); + + return result; +} + +inline Atomic64 Acquire_CompareAndSwap(volatile Atomic64* ptr, + Atomic64 old_value, + Atomic64 new_value) { + Atomic64 result; + + asm volatile ( + "1: ldarx %[res], %[zero], %[obj] \n\t" // load and reserve + " cmpd %[cmp], %[res] \n\t" // compare values + " bne- 2f \n\t" + + " stdcx. %[val], %[zero], %[obj] \n\t" // store the new value + " bne- 1b \n\t" + " isync \n\t" + "2: \n\t" + : [res] "=&b" (result) + : [obj] "b" (ptr), + [cmp] "b" (old_value), + [val] "b" (new_value), + [zero] "i" (0) + : "cr0", "ctr"); + + return result; +} + +inline Atomic64 Release_CompareAndSwap(volatile Atomic64* ptr, + Atomic64 old_value, + Atomic64 new_value) { + Atomic64 result; + + asm volatile ( + " lwsync \n\t" + + "1: ldarx %[res], %[zero], %[obj] \n\t" // load and reserve + " cmpd %[cmp], %[res] \n\t" // compare values + " bne- 2f \n\t" + + " stdcx. %[val], %[zero], %[obj] \n\t" // store the new value + " bne- 1b \n\t" + "2: \n\t" + : [res] "=&b" (result) + : [obj] "b" (ptr), + [cmp] "b" (old_value), + [val] "b" (new_value), + [zero] "i" (0) + : "cr0", "ctr"); + + return result; +} + +inline void NoBarrier_Store(volatile Atomic64* ptr, Atomic64 value) { + *ptr = value; +} + +inline void Acquire_Store(volatile Atomic64* ptr, Atomic64 value) { + asm volatile ( + " std %[val], %[obj] \n\t" + " isync \n\t" + : [obj] "=m" (*ptr) + : [val] "b" (value)); +} + +inline void Release_Store(volatile Atomic64* ptr, Atomic64 value) { + asm volatile ( + " lwsync \n\t" + " std %[val], %[obj] \n\t" + : [obj] "=m" (*ptr) + : [val] "b" (value)); +} + +inline Atomic64 NoBarrier_Load(volatile const Atomic64* ptr) { + return *ptr; +} + +inline Atomic64 Acquire_Load(volatile const Atomic64* ptr) { + Atomic64 result; + + asm volatile ( + "1: ld %[res], %[obj] \n\t" + " cmpd %[res], %[res] \n\t" // create data + // dependency for + // load/load ordering + " bne- 1b \n\t" // never taken + + " isync \n\t" + : [res] "=b" (result) + : [obj] "m" (*ptr), + [zero] "i" (0) + : "cr0", "ctr"); + + return result; +} + +inline Atomic64 Release_Load(volatile const Atomic64* ptr) { + Atomic64 result; + + asm volatile ( + " lwsync \n\t" + + "1: ld %[res], %[obj] \n\t" + " cmpd %[res], %[res] \n\t" // create data + // dependency for + // load/load ordering + " bne- 1b \n\t" // never taken + : [res] "=b" (result) + : [obj] "m" (*ptr), + [zero] "i" (0) + : "cr0", "ctr"); + + return result; +} +#endif + +} // namespace internal +} // namespace protobuf +} // namespace google + +#endif // GOOGLE_PROTOBUF_ATOMICOPS_INTERNALS_SPARC_GCC_H_ diff --git a/src/google/protobuf/stubs/platform_macros.h b/src/google/protobuf/stubs/platform_macros.h index 7956d076..1ff09b83 100644 --- a/src/google/protobuf/stubs/platform_macros.h +++ b/src/google/protobuf/stubs/platform_macros.h @@ -72,6 +72,9 @@ #else #define GOOGLE_PROTOBUF_ARCH_32_BIT 1 #endif +#elif defined(_POWER) +#define GOOGLE_PROTOBUF_ARCH_POWER 1 +#define GOOGLE_PROTOBUF_ARCH_64_BIT 1 #elif defined(__GNUC__) # if (((__GNUC__ == 4) && (__GNUC_MINOR__ >= 7)) || (__GNUC__ > 4)) // We fallback to the generic Clang/GCC >= 4.7 implementation in atomicops.h @@ -96,6 +99,8 @@ GOOGLE_PROTOBUF_PLATFORM_ERROR #define GOOGLE_PROTOBUF_OS_NACL #elif defined(sun) #define GOOGLE_PROTOBUF_OS_SOLARIS +#elif defined(_AIX) +#define GOOGLE_PROTOBUF_OS_AIX #endif #undef GOOGLE_PROTOBUF_PLATFORM_ERROR |