Files
lifting-bits-remill/remill/Arch/X86/Semantics/RTM.cpp
T
Peter Goodman 99df2e19d4 Running clang-format on files with some additional custom scripts for… (#444)
* Running clang-format on files with some additional custom scripts for my style

* Fix missing unique_ptr in remill/BC/Optimizer.h

* Fixes and selective disabling of clang-format
2020-08-05 15:42:25 -04:00

53 lines
1.3 KiB
C++

/*
* Copyright (c) 2017 Trail of Bits, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
namespace {
// Note: The taken branch is the transaction failed fallback path.
DEF_SEM(XBEGIN, R8W cond, PC taken, PC not_taken,
IF_32BIT_ELSE(R32W, R64W) pc_dst) {
Write(cond, true);
Write(pc_dst, Read(taken));
WriteZExt(REG_XAX, static_cast<addr_t>(8));
return memory;
}
DEF_SEM(DoXTEST) {
Write(FLAG_ZF, true);
return memory;
}
DEF_SEM(DoXEND, PC next_pc) {
WriteZExt(REG_PC, Read(next_pc));
StopFailure();
}
DEF_SEM(XABORT, I8) {
return memory; // We treat RTM as inactive, so this is a NOP.
}
} // namespace
DEF_ISEL(XBEGIN_RELBRz_16) = XBEGIN;
DEF_ISEL(XBEGIN_RELBRz_32) = XBEGIN;
DEF_ISEL(XEND) = DoXEND;
DEF_ISEL(XTEST) = DoXTEST;
DEF_ISEL(XABORT_IMMb) = XABORT;
/*
522 XEND XEND COND_BR RTM RTM ATTRIBUTES:
*/