mirror of
https://github.com/lifting-bits/remill
synced 2026-06-21 13:56:07 +00:00
Peter Goodman
99df2e19d4
* 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
115 lines
2.4 KiB
C++
115 lines
2.4 KiB
C++
/*
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* Copyright (c) 2017 Trail of Bits, Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#pragma once
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namespace {
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DEF_SEM(DoCLD) {
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FLAG_DF = false;
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return memory;
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}
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DEF_SEM(DoSTD) {
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FLAG_DF = true;
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return memory;
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}
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DEF_SEM(DoCLC) {
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FLAG_CF = false;
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return memory;
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}
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DEF_SEM(DoCMC) {
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FLAG_CF = BNot(FLAG_CF);
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return memory;
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}
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DEF_SEM(DoSTC) {
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FLAG_CF = true;
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return memory;
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}
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DEF_SEM(DoSALC) {
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Write(REG_AL, Unsigned(FLAG_CF));
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return memory;
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}
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DEF_SEM(DoSAHF) {
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Flags flags = {ZExtTo<uint64_t>(Read(REG_AH))};
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FLAG_CF = UCmpEq(1, flags.cf);
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FLAG_PF = UCmpEq(1, flags.pf);
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FLAG_AF = UCmpEq(1, flags.af);
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FLAG_SF = UCmpEq(1, flags.sf);
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FLAG_ZF = UCmpEq(1, flags.zf);
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return memory;
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}
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DEF_SEM(DoLAHF) {
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Flags flags = {0};
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flags.cf = Unsigned(FLAG_CF);
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flags.must_be_1 = 1;
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flags.pf = Unsigned(FLAG_PF);
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flags.must_be_0a = 0;
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flags.af = Unsigned(FLAG_AF);
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flags.must_be_0b = 0;
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flags.zf = Unsigned(FLAG_ZF);
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flags.sf = Unsigned(FLAG_SF);
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Write(REG_AH, TruncTo<uint8_t>(flags.flat));
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return memory;
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}
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DEF_SEM(DoCLAC) {
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memory =
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__remill_sync_hyper_call(state, memory, SyncHyperCall::kAssertPrivileged);
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state.rflag.ac = false;
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return memory;
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}
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DEF_SEM(DoSTAC) {
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memory =
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__remill_sync_hyper_call(state, memory, SyncHyperCall::kAssertPrivileged);
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state.rflag.ac = true;
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return memory;
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}
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DEF_SEM(DoCLI) {
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memory =
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__remill_sync_hyper_call(state, memory, SyncHyperCall::kAssertPrivileged);
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state.rflag._if = false;
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return memory;
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}
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DEF_SEM(DoSTI) {
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memory =
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__remill_sync_hyper_call(state, memory, SyncHyperCall::kAssertPrivileged);
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state.rflag._if = true;
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return memory;
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}
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} // namespace
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DEF_ISEL(CLD) = DoCLD;
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DEF_ISEL(STD) = DoSTD;
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DEF_ISEL(CLC) = DoCLC;
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DEF_ISEL(CMC) = DoCMC;
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DEF_ISEL(STC) = DoSTC;
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DEF_ISEL(SALC) = DoSALC;
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DEF_ISEL(SAHF) = DoSAHF;
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DEF_ISEL(LAHF) = DoLAHF;
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DEF_ISEL(CLAC) = DoCLAC;
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DEF_ISEL(STAC) = DoSTAC;
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DEF_ISEL(CLI) = DoCLI;
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DEF_ISEL(STI) = DoSTI;
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