mirror of
https://github.com/lifting-bits/remill
synced 2026-06-21 13:56:07 +00:00
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
204 lines
6.4 KiB
C++
204 lines
6.4 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.
|
|
*/
|
|
|
|
#include <algorithm>
|
|
#include <bitset>
|
|
#include <cmath>
|
|
|
|
// clang-format off
|
|
#include "remill/Arch/Float.h"
|
|
#include "remill/Arch/Runtime/Intrinsics.h"
|
|
#include "remill/Arch/Runtime/Operators.h"
|
|
#include "remill/Arch/X86/Runtime/State.h"
|
|
#include "remill/Arch/X86/Runtime/Types.h"
|
|
#include "remill/Arch/X86/Runtime/Operators.h"
|
|
// clang-format on
|
|
|
|
#define REG_IP state.gpr.rip.word
|
|
#define REG_EIP state.gpr.rip.dword
|
|
#define REG_RIP state.gpr.rip.qword
|
|
|
|
#define REG_SP state.gpr.rsp.word
|
|
#define REG_ESP state.gpr.rsp.dword
|
|
#define REG_RSP state.gpr.rsp.qword
|
|
|
|
#define REG_BP state.gpr.rbp.word
|
|
#define REG_EBP state.gpr.rbp.dword
|
|
#define REG_RBP state.gpr.rbp.qword
|
|
|
|
#define REG_AL state.gpr.rax.byte.low
|
|
#define REG_AH state.gpr.rax.byte.high
|
|
#define REG_AX state.gpr.rax.word
|
|
#define REG_EAX state.gpr.rax.dword
|
|
#define REG_RAX state.gpr.rax.qword
|
|
|
|
#define REG_BL state.gpr.rbx.byte.low
|
|
#define REG_BH state.gpr.rbx.byte.high
|
|
#define REG_BX state.gpr.rbx.word
|
|
#define REG_EBX state.gpr.rbx.dword
|
|
#define REG_RBX state.gpr.rbx.qword
|
|
|
|
#define REG_DL state.gpr.rdx.bytes.low
|
|
#define REG_DH state.gpr.rdx.bytes.high
|
|
#define REG_DX state.gpr.rdx.word
|
|
#define REG_EDX state.gpr.rdx.dword
|
|
#define REG_RDX state.gpr.rdx.qword
|
|
|
|
#define REG_CL state.gpr.rcx.byte.low
|
|
#define REG_CH state.gpr.rcx.byte.high
|
|
#define REG_CX state.gpr.rcx.word
|
|
#define REG_ECX state.gpr.rcx.dword
|
|
#define REG_RCX state.gpr.rcx.qword
|
|
|
|
#define REG_SIL state.gpr.rsi.bytes.low
|
|
#define REG_SI state.gpr.rsi.word
|
|
#define REG_ESI state.gpr.rsi.dword
|
|
#define REG_RSI state.gpr.rsi.qword
|
|
|
|
#define REG_DIL state.gpr.rdi.bytes.low
|
|
#define REG_DI state.gpr.rdi.word
|
|
#define REG_EDI state.gpr.rdi.dword
|
|
#define REG_RDI state.gpr.rdi.qword
|
|
|
|
#if 64 == ADDRESS_SIZE_BITS
|
|
# define REG_PC REG_RIP
|
|
# define REG_XIP REG_RIP
|
|
# define REG_XAX REG_RAX
|
|
# define REG_XDX REG_RDX
|
|
# define REG_XCX REG_RCX
|
|
# define REG_XSI REG_RSI
|
|
# define REG_XDI REG_RDI
|
|
# define REG_XSP REG_RSP
|
|
# define REG_XBP REG_RBP
|
|
# define REG_XBX REG_RBX
|
|
#else
|
|
# define REG_PC REG_EIP
|
|
# define REG_XIP REG_EIP
|
|
# define REG_XAX REG_EAX
|
|
# define REG_XDX REG_EDX
|
|
# define REG_XCX REG_ECX
|
|
# define REG_XSI REG_ESI
|
|
# define REG_XDI REG_EDI
|
|
# define REG_XSP REG_ESP
|
|
# define REG_XBP REG_EBP
|
|
# define REG_XBX REG_EBX
|
|
#endif // 64 == ADDRESS_SIZE_BITS
|
|
|
|
#define FLAG_CF state.aflag.cf
|
|
#define FLAG_PF state.aflag.pf
|
|
#define FLAG_AF state.aflag.af
|
|
#define FLAG_ZF state.aflag.zf
|
|
#define FLAG_SF state.aflag.sf
|
|
#define FLAG_OF state.aflag.of
|
|
#define FLAG_DF state.aflag.df
|
|
|
|
#define X87_ST0 state.st.elems[0].val
|
|
#define X87_ST1 state.st.elems[1].val
|
|
#define X87_ST2 state.st.elems[2].val
|
|
#define X87_ST3 state.st.elems[3].val
|
|
#define X87_ST4 state.st.elems[4].val
|
|
#define X87_ST5 state.st.elems[5].val
|
|
#define X87_ST6 state.st.elems[6].val
|
|
#define X87_ST7 state.st.elems[7].val
|
|
|
|
#define REG_SS state.seg.ss
|
|
#define REG_ES state.seg.es
|
|
#define REG_DS state.seg.ds
|
|
#define REG_FS state.seg.fs
|
|
#define REG_GS state.seg.gs
|
|
#define REG_CS state.seg.cs
|
|
|
|
#define REG_SS_BASE IF_32BIT_ELSE(state.addr.ss_base.aword, 0)
|
|
#define REG_ES_BASE IF_32BIT_ELSE(state.addr.es_base.aword, 0)
|
|
#define REG_DS_BASE IF_32BIT_ELSE(state.addr.ds_base.aword, 0)
|
|
#define REG_FS_BASE state.addr.fs_base.aword
|
|
#define REG_GS_BASE state.addr.gs_base.aword
|
|
#define REG_CS_BASE IF_32BIT_ELSE(state.addr.cs_base.aword, 0)
|
|
|
|
#define HYPER_CALL state.hyper_call
|
|
#define INTERRUPT_VECTOR state.hyper_call_vector
|
|
|
|
namespace {
|
|
|
|
// Takes the place of an unsupported instruction.
|
|
DEF_SEM(HandleUnsupported) {
|
|
return __remill_sync_hyper_call(
|
|
state, memory,
|
|
IF_64BIT_ELSE(SyncHyperCall::kAMD64EmulateInstruction,
|
|
SyncHyperCall::kX86EmulateInstruction));
|
|
}
|
|
|
|
// Takes the place of an invalid instruction.
|
|
DEF_SEM(HandleInvalidInstruction) {
|
|
HYPER_CALL = AsyncHyperCall::kInvalidInstruction;
|
|
return memory;
|
|
}
|
|
|
|
} // namespace
|
|
|
|
// Takes the place of an unsupported instruction.
|
|
DEF_ISEL(UNSUPPORTED_INSTRUCTION) = HandleUnsupported;
|
|
DEF_ISEL(INVALID_INSTRUCTION) = HandleInvalidInstruction;
|
|
|
|
namespace {
|
|
template <typename T>
|
|
DEF_HELPER(PopFromStack)->T {
|
|
addr_t op_size = TruncTo<addr_t>(sizeof(T));
|
|
addr_t old_xsp = Read(REG_XSP);
|
|
addr_t new_xsp = UAdd(old_xsp, op_size);
|
|
T val = Read(ReadPtr<T>(old_xsp _IF_32BIT(REG_SS_BASE)));
|
|
Write(REG_XSP, new_xsp);
|
|
return val;
|
|
}
|
|
} // namespace
|
|
|
|
// clang-format off
|
|
#include "remill/Arch/X86/Semantics/FLAGS.cpp"
|
|
|
|
#include "remill/Arch/X86/Semantics/AVX.cpp"
|
|
#include "remill/Arch/X86/Semantics/BINARY.cpp"
|
|
#include "remill/Arch/X86/Semantics/BITBYTE.cpp"
|
|
#include "remill/Arch/X86/Semantics/CALL_RET.cpp"
|
|
#include "remill/Arch/X86/Semantics/CMOV.cpp"
|
|
#include "remill/Arch/X86/Semantics/COND_BR.cpp"
|
|
#include "remill/Arch/X86/Semantics/CONVERT.cpp"
|
|
#include "remill/Arch/X86/Semantics/DATAXFER.cpp"
|
|
#include "remill/Arch/X86/Semantics/DECIMAL.cpp"
|
|
#include "remill/Arch/X86/Semantics/FLAGOP.cpp"
|
|
#include "remill/Arch/X86/Semantics/FMA.cpp"
|
|
#include "remill/Arch/X86/Semantics/INTERRUPT.cpp"
|
|
#include "remill/Arch/X86/Semantics/IO.cpp"
|
|
#include "remill/Arch/X86/Semantics/LOGICAL.cpp"
|
|
#include "remill/Arch/X86/Semantics/MISC.cpp"
|
|
#include "remill/Arch/X86/Semantics/MMX.cpp"
|
|
#include "remill/Arch/X86/Semantics/NOP.cpp"
|
|
#include "remill/Arch/X86/Semantics/POP.cpp"
|
|
#include "remill/Arch/X86/Semantics/PREFETCH.cpp"
|
|
#include "remill/Arch/X86/Semantics/PUSH.cpp"
|
|
#include "remill/Arch/X86/Semantics/ROTATE.cpp"
|
|
#include "remill/Arch/X86/Semantics/RTM.cpp"
|
|
#include "remill/Arch/X86/Semantics/SEMAPHORE.cpp"
|
|
#include "remill/Arch/X86/Semantics/SHIFT.cpp"
|
|
#include "remill/Arch/X86/Semantics/SSE.cpp"
|
|
#include "remill/Arch/X86/Semantics/STRINGOP.cpp"
|
|
#include "remill/Arch/X86/Semantics/SYSCALL.cpp"
|
|
#include "remill/Arch/X86/Semantics/SYSTEM.cpp"
|
|
#include "remill/Arch/X86/Semantics/UNCOND_BR.cpp"
|
|
#include "remill/Arch/X86/Semantics/X87.cpp"
|
|
#include "remill/Arch/X86/Semantics/XOP.cpp"
|
|
#include "remill/Arch/X86/Semantics/XSAVE.cpp"
|
|
// clang-format on
|