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935 lines
29 KiB
935 lines
29 KiB
4 years ago
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// AsmJit - Machine code generation for C++
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//
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// * Official AsmJit Home Page: https://asmjit.com
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// * Official Github Repository: https://github.com/asmjit/asmjit
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//
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// Copyright (c) 2008-2020 The AsmJit Authors
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//
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// This software is provided 'as-is', without any express or implied
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// warranty. In no event will the authors be held liable for any damages
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// arising from the use of this software.
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//
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// Permission is granted to anyone to use this software for any purpose,
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// including commercial applications, and to alter it and redistribute it
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// freely, subject to the following restrictions:
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//
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// 1. The origin of this software must not be misrepresented; you must not
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// claim that you wrote the original software. If you use this software
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// in a product, an acknowledgment in the product documentation would be
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// appreciated but is not required.
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// 2. Altered source versions must be plainly marked as such, and must not be
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// misrepresented as being the original software.
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// 3. This notice may not be removed or altered from any source distribution.
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#include "../core/api-build_p.h"
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#ifndef ASMJIT_NO_LOGGING
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#include "../core/misc_p.h"
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#include "../core/support.h"
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#include "../x86/x86features.h"
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#include "../x86/x86formatter_p.h"
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#include "../x86/x86instdb_p.h"
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#include "../x86/x86operand.h"
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#ifndef ASMJIT_NO_COMPILER
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#include "../core/compiler.h"
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#endif
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ASMJIT_BEGIN_SUB_NAMESPACE(x86)
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// ============================================================================
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// [asmjit::x86::FormatterInternal - Constants]
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// ============================================================================
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struct RegFormatInfo {
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struct TypeEntry {
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uint8_t index;
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};
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struct NameEntry {
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uint8_t count;
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uint8_t formatIndex;
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uint8_t specialIndex;
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uint8_t specialCount;
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};
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TypeEntry typeEntries[BaseReg::kTypeMax + 1];
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char typeStrings[128 - 32];
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NameEntry nameEntries[BaseReg::kTypeMax + 1];
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char nameStrings[280];
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};
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template<uint32_t X>
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struct RegFormatInfo_T {
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enum {
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kTypeIndex = X == Reg::kTypeGpbLo ? 1 :
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X == Reg::kTypeGpbHi ? 8 :
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X == Reg::kTypeGpw ? 15 :
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X == Reg::kTypeGpd ? 19 :
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X == Reg::kTypeGpq ? 23 :
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X == Reg::kTypeXmm ? 27 :
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X == Reg::kTypeYmm ? 31 :
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X == Reg::kTypeZmm ? 35 :
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X == Reg::kTypeMm ? 50 :
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X == Reg::kTypeKReg ? 53 :
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X == Reg::kTypeSReg ? 43 :
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X == Reg::kTypeCReg ? 59 :
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X == Reg::kTypeDReg ? 62 :
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X == Reg::kTypeSt ? 47 :
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X == Reg::kTypeBnd ? 55 :
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X == Reg::kTypeTmm ? 65 :
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X == Reg::kTypeRip ? 39 : 0,
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kFormatIndex = X == Reg::kTypeGpbLo ? 1 :
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X == Reg::kTypeGpbHi ? 6 :
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X == Reg::kTypeGpw ? 11 :
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X == Reg::kTypeGpd ? 16 :
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X == Reg::kTypeGpq ? 21 :
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X == Reg::kTypeXmm ? 25 :
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X == Reg::kTypeYmm ? 31 :
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X == Reg::kTypeZmm ? 37 :
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X == Reg::kTypeMm ? 60 :
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X == Reg::kTypeKReg ? 65 :
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X == Reg::kTypeSReg ? 49 :
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X == Reg::kTypeCReg ? 75 :
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X == Reg::kTypeDReg ? 80 :
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X == Reg::kTypeSt ? 55 :
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X == Reg::kTypeBnd ? 69 :
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X == Reg::kTypeTmm ? 89 :
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X == Reg::kTypeRip ? 43 : 0,
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kSpecialIndex = X == Reg::kTypeGpbLo ? 96 :
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X == Reg::kTypeGpbHi ? 128 :
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X == Reg::kTypeGpw ? 161 :
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X == Reg::kTypeGpd ? 160 :
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X == Reg::kTypeGpq ? 192 :
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X == Reg::kTypeSReg ? 224 :
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X == Reg::kTypeRip ? 85 : 0,
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kSpecialCount = X == Reg::kTypeGpbLo ? 8 :
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X == Reg::kTypeGpbHi ? 4 :
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X == Reg::kTypeGpw ? 8 :
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X == Reg::kTypeGpd ? 8 :
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X == Reg::kTypeGpq ? 8 :
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X == Reg::kTypeSReg ? 7 :
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X == Reg::kTypeRip ? 1 : 0
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};
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};
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#define ASMJIT_REG_TYPE_ENTRY(TYPE) { \
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RegFormatInfo_T<TYPE>::kTypeIndex \
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}
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#define ASMJIT_REG_NAME_ENTRY(TYPE) { \
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RegTraits<TYPE>::kCount, \
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RegFormatInfo_T<TYPE>::kFormatIndex, \
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RegFormatInfo_T<TYPE>::kSpecialIndex, \
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RegFormatInfo_T<TYPE>::kSpecialCount \
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}
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static const RegFormatInfo x86RegFormatInfo = {
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// Register type entries and strings.
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{ ASMJIT_LOOKUP_TABLE_32(ASMJIT_REG_TYPE_ENTRY, 0) },
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"\0" // #0
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"gpb\0\0\0\0" // #1
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"gpb.hi\0" // #8
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"gpw\0" // #15
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"gpd\0" // #19
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"gpq\0" // #23
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"xmm\0" // #27
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"ymm\0" // #31
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"zmm\0" // #35
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"rip\0" // #39
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"seg\0" // #43
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"st\0" // #47
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"mm\0" // #50
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"k\0" // #53
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"bnd\0" // #55
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"cr\0" // #59
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"dr\0" // #62
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"tmm\0" // #65
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,
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// Register name entries and strings.
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{ ASMJIT_LOOKUP_TABLE_32(ASMJIT_REG_NAME_ENTRY, 0) },
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"\0"
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"r%ub\0" // #1
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"r%uh\0" // #6
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"r%uw\0" // #11
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"r%ud\0" // #16
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"r%u\0" // #21
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"xmm%u\0" // #25
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"ymm%u\0" // #31
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"zmm%u\0" // #37
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"rip%u\0" // #43
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"seg%u\0" // #49
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"st%u\0" // #55
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"mm%u\0" // #60
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"k%u\0" // #65
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"bnd%u\0" // #69
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"cr%u\0" // #75
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"dr%u\0" // #80
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"rip\0" // #85
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"tmm%u\0" // #89
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"\0" // #95
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"al\0\0" "cl\0\0" "dl\0\0" "bl\0\0" "spl\0" "bpl\0" "sil\0" "dil\0" // #96
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"ah\0\0" "ch\0\0" "dh\0\0" "bh\0\0" "n/a\0" "n/a\0" "n/a\0" "n/a\0" // #128
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"eax\0" "ecx\0" "edx\0" "ebx\0" "esp\0" "ebp\0" "esi\0" "edi\0" // #160
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"rax\0" "rcx\0" "rdx\0" "rbx\0" "rsp\0" "rbp\0" "rsi\0" "rdi\0" // #192
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"n/a\0" "es\0\0" "cs\0\0" "ss\0\0" "ds\0\0" "fs\0\0" "gs\0\0" "n/a\0" // #224
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};
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#undef ASMJIT_REG_NAME_ENTRY
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#undef ASMJIT_REG_TYPE_ENTRY
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static const char* x86GetAddressSizeString(uint32_t size) noexcept {
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switch (size) {
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case 1 : return "byte ptr ";
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case 2 : return "word ptr ";
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case 4 : return "dword ptr ";
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case 6 : return "fword ptr ";
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case 8 : return "qword ptr ";
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case 10: return "tbyte ptr ";
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case 16: return "xmmword ptr ";
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case 32: return "ymmword ptr ";
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case 64: return "zmmword ptr ";
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default: return "";
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}
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}
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// ============================================================================
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// [asmjit::x86::FormatterInternal - Format Feature]
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// ============================================================================
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Error FormatterInternal::formatFeature(String& sb, uint32_t featureId) noexcept {
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// @EnumStringBegin{"enum": "x86::Features::Id", "output": "sFeature", "strip": "k"}@
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static const char sFeatureString[] =
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"None\0"
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"MT\0"
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"NX\0"
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"3DNOW\0"
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"3DNOW2\0"
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"ADX\0"
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"AESNI\0"
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"ALTMOVCR8\0"
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"AMX_BF16\0"
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"AMX_INT8\0"
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"AMX_TILE\0"
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"AVX\0"
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"AVX2\0"
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"AVX512_4FMAPS\0"
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"AVX512_4VNNIW\0"
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"AVX512_BF16\0"
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"AVX512_BITALG\0"
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"AVX512_BW\0"
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"AVX512_CDI\0"
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"AVX512_DQ\0"
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"AVX512_ERI\0"
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"AVX512_F\0"
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"AVX512_IFMA\0"
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"AVX512_PFI\0"
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"AVX512_VBMI\0"
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"AVX512_VBMI2\0"
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"AVX512_VL\0"
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"AVX512_VNNI\0"
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"AVX512_VP2INTERSECT\0"
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"AVX512_VPOPCNTDQ\0"
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"AVX_VNNI\0"
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"BMI\0"
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"BMI2\0"
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"CET_IBT\0"
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"CET_SS\0"
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"CLDEMOTE\0"
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"CLFLUSH\0"
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"CLFLUSHOPT\0"
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"CLWB\0"
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"CLZERO\0"
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"CMOV\0"
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"CMPXCHG16B\0"
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"CMPXCHG8B\0"
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"ENCLV\0"
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"ENQCMD\0"
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"ERMS\0"
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"F16C\0"
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"FMA\0"
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"FMA4\0"
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"FPU\0"
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"FSGSBASE\0"
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"FXSR\0"
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"FXSROPT\0"
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"GEODE\0"
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"GFNI\0"
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"HLE\0"
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"HRESET\0"
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"I486\0"
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"LAHFSAHF\0"
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"LWP\0"
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"LZCNT\0"
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"MCOMMIT\0"
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"MMX\0"
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"MMX2\0"
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"MONITOR\0"
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"MONITORX\0"
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"MOVBE\0"
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"MOVDIR64B\0"
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"MOVDIRI\0"
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"MPX\0"
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"MSR\0"
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"MSSE\0"
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"OSXSAVE\0"
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"OSPKE\0"
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"PCLMULQDQ\0"
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"PCONFIG\0"
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"POPCNT\0"
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"PREFETCHW\0"
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"PREFETCHWT1\0"
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"PTWRITE\0"
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"RDPID\0"
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"RDPRU\0"
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"RDRAND\0"
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"RDSEED\0"
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"RDTSC\0"
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"RDTSCP\0"
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"RTM\0"
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"SERIALIZE\0"
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"SHA\0"
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"SKINIT\0"
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"SMAP\0"
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"SMEP\0"
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"SMX\0"
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"SNP\0"
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"SSE\0"
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"SSE2\0"
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"SSE3\0"
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"SSE4_1\0"
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"SSE4_2\0"
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"SSE4A\0"
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"SSSE3\0"
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"SVM\0"
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"TBM\0"
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"TSX\0"
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"TSXLDTRK\0"
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"UINTR\0"
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"VAES\0"
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"VMX\0"
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"VPCLMULQDQ\0"
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"WAITPKG\0"
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"WBNOINVD\0"
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"XOP\0"
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"XSAVE\0"
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"XSAVEC\0"
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"XSAVEOPT\0"
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"XSAVES\0"
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"<Unknown>\0";
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static const uint16_t sFeatureIndex[] = {
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0, 5, 8, 11, 17, 24, 28, 34, 44, 53, 62, 71, 75, 80, 94, 108, 120, 134, 144,
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155, 165, 176, 185, 197, 208, 220, 233, 243, 255, 275, 292, 301, 305, 310,
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318, 325, 334, 342, 353, 358, 365, 370, 381, 391, 397, 404, 409, 414, 418,
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423, 427, 436, 441, 449, 455, 460, 464, 471, 476, 485, 489, 495, 503, 507,
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512, 520, 529, 535, 545, 553, 557, 561, 566, 574, 580, 590, 598, 605, 615,
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627, 635, 641, 647, 654, 661, 667, 674, 678, 688, 692, 699, 704, 709, 713,
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717, 721, 726, 731, 738, 745, 751, 757, 761, 765, 769, 778, 784, 789, 793,
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804, 812, 821, 825, 831, 838, 847, 854
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};
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// @EnumStringEnd@
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return sb.append(sFeatureString + sFeatureIndex[Support::min<uint32_t>(featureId, x86::Features::kCount)]);
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||
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}
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||
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|
||
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// ============================================================================
|
||
|
|
// [asmjit::x86::FormatterInternal - Format Register]
|
||
|
|
// ============================================================================
|
||
|
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|
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|
|
ASMJIT_FAVOR_SIZE Error FormatterInternal::formatRegister(String& sb, uint32_t flags, const BaseEmitter* emitter, uint32_t arch, uint32_t rType, uint32_t rId) noexcept {
|
||
|
|
DebugUtils::unused(arch);
|
||
|
|
const RegFormatInfo& info = x86RegFormatInfo;
|
||
|
|
|
||
|
|
#ifndef ASMJIT_NO_COMPILER
|
||
|
|
if (Operand::isVirtId(rId)) {
|
||
|
|
if (emitter && emitter->emitterType() == BaseEmitter::kTypeCompiler) {
|
||
|
|
const BaseCompiler* cc = static_cast<const BaseCompiler*>(emitter);
|
||
|
|
if (cc->isVirtIdValid(rId)) {
|
||
|
|
VirtReg* vReg = cc->virtRegById(rId);
|
||
|
|
ASMJIT_ASSERT(vReg != nullptr);
|
||
|
|
|
||
|
|
const char* name = vReg->name();
|
||
|
|
if (name && name[0] != '\0')
|
||
|
|
ASMJIT_PROPAGATE(sb.append(name));
|
||
|
|
else
|
||
|
|
ASMJIT_PROPAGATE(sb.appendFormat("%%%u", unsigned(Operand::virtIdToIndex(rId))));
|
||
|
|
|
||
|
|
if (vReg->type() != rType && rType <= BaseReg::kTypeMax && (flags & FormatOptions::kFlagRegCasts) != 0) {
|
||
|
|
const RegFormatInfo::TypeEntry& typeEntry = info.typeEntries[rType];
|
||
|
|
if (typeEntry.index)
|
||
|
|
ASMJIT_PROPAGATE(sb.appendFormat("@%s", info.typeStrings + typeEntry.index));
|
||
|
|
}
|
||
|
|
|
||
|
|
return kErrorOk;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
#else
|
||
|
|
DebugUtils::unused(emitter, flags);
|
||
|
|
#endif
|
||
|
|
|
||
|
|
if (ASMJIT_LIKELY(rType <= BaseReg::kTypeMax)) {
|
||
|
|
const RegFormatInfo::NameEntry& nameEntry = info.nameEntries[rType];
|
||
|
|
|
||
|
|
if (rId < nameEntry.specialCount)
|
||
|
|
return sb.append(info.nameStrings + nameEntry.specialIndex + rId * 4);
|
||
|
|
|
||
|
|
if (rId < nameEntry.count)
|
||
|
|
return sb.appendFormat(info.nameStrings + nameEntry.formatIndex, unsigned(rId));
|
||
|
|
|
||
|
|
const RegFormatInfo::TypeEntry& typeEntry = info.typeEntries[rType];
|
||
|
|
if (typeEntry.index)
|
||
|
|
return sb.appendFormat("%s@%u", info.typeStrings + typeEntry.index, rId);
|
||
|
|
}
|
||
|
|
|
||
|
|
return sb.appendFormat("<Reg-%u>?%u", rType, rId);
|
||
|
|
}
|
||
|
|
|
||
|
|
// ============================================================================
|
||
|
|
// [asmjit::x86::FormatterInternal - Format Operand]
|
||
|
|
// ============================================================================
|
||
|
|
|
||
|
|
ASMJIT_FAVOR_SIZE Error FormatterInternal::formatOperand(
|
||
|
|
String& sb,
|
||
|
|
uint32_t flags,
|
||
|
|
const BaseEmitter* emitter,
|
||
|
|
uint32_t arch,
|
||
|
|
const Operand_& op) noexcept {
|
||
|
|
|
||
|
|
if (op.isReg())
|
||
|
|
return formatRegister(sb, flags, emitter, arch, op.as<BaseReg>().type(), op.as<BaseReg>().id());
|
||
|
|
|
||
|
|
if (op.isMem()) {
|
||
|
|
const Mem& m = op.as<Mem>();
|
||
|
|
ASMJIT_PROPAGATE(sb.append(x86GetAddressSizeString(m.size())));
|
||
|
|
|
||
|
|
// Segment override prefix.
|
||
|
|
uint32_t seg = m.segmentId();
|
||
|
|
if (seg != SReg::kIdNone && seg < SReg::kIdCount)
|
||
|
|
ASMJIT_PROPAGATE(sb.appendFormat("%s:", x86RegFormatInfo.nameStrings + 224 + size_t(seg) * 4));
|
||
|
|
|
||
|
|
ASMJIT_PROPAGATE(sb.append('['));
|
||
|
|
switch (m.addrType()) {
|
||
|
|
case Mem::kAddrTypeAbs: ASMJIT_PROPAGATE(sb.append("abs ")); break;
|
||
|
|
case Mem::kAddrTypeRel: ASMJIT_PROPAGATE(sb.append("rel ")); break;
|
||
|
|
}
|
||
|
|
|
||
|
|
char opSign = '\0';
|
||
|
|
if (m.hasBase()) {
|
||
|
|
opSign = '+';
|
||
|
|
if (m.hasBaseLabel()) {
|
||
|
|
ASMJIT_PROPAGATE(Formatter::formatLabel(sb, flags, emitter, m.baseId()));
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
uint32_t modifiedFlags = flags;
|
||
|
|
if (m.isRegHome()) {
|
||
|
|
ASMJIT_PROPAGATE(sb.append("&"));
|
||
|
|
modifiedFlags &= ~FormatOptions::kFlagRegCasts;
|
||
|
|
}
|
||
|
|
ASMJIT_PROPAGATE(formatRegister(sb, modifiedFlags, emitter, arch, m.baseType(), m.baseId()));
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if (m.hasIndex()) {
|
||
|
|
if (opSign)
|
||
|
|
ASMJIT_PROPAGATE(sb.append(opSign));
|
||
|
|
|
||
|
|
opSign = '+';
|
||
|
|
ASMJIT_PROPAGATE(formatRegister(sb, flags, emitter, arch, m.indexType(), m.indexId()));
|
||
|
|
if (m.hasShift())
|
||
|
|
ASMJIT_PROPAGATE(sb.appendFormat("*%u", 1 << m.shift()));
|
||
|
|
}
|
||
|
|
|
||
|
|
uint64_t off = uint64_t(m.offset());
|
||
|
|
if (off || !m.hasBaseOrIndex()) {
|
||
|
|
if (int64_t(off) < 0) {
|
||
|
|
opSign = '-';
|
||
|
|
off = ~off + 1;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (opSign)
|
||
|
|
ASMJIT_PROPAGATE(sb.append(opSign));
|
||
|
|
|
||
|
|
uint32_t base = 10;
|
||
|
|
if ((flags & FormatOptions::kFlagHexOffsets) != 0 && off > 9) {
|
||
|
|
ASMJIT_PROPAGATE(sb.append("0x", 2));
|
||
|
|
base = 16;
|
||
|
|
}
|
||
|
|
|
||
|
|
ASMJIT_PROPAGATE(sb.appendUInt(off, base));
|
||
|
|
}
|
||
|
|
|
||
|
|
return sb.append(']');
|
||
|
|
}
|
||
|
|
|
||
|
|
if (op.isImm()) {
|
||
|
|
const Imm& i = op.as<Imm>();
|
||
|
|
int64_t val = i.value();
|
||
|
|
|
||
|
|
if ((flags & FormatOptions::kFlagHexImms) != 0 && uint64_t(val) > 9) {
|
||
|
|
ASMJIT_PROPAGATE(sb.append("0x", 2));
|
||
|
|
return sb.appendUInt(uint64_t(val), 16);
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
return sb.appendInt(val, 10);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if (op.isLabel()) {
|
||
|
|
return Formatter::formatLabel(sb, flags, emitter, op.id());
|
||
|
|
}
|
||
|
|
|
||
|
|
return sb.append("<None>");
|
||
|
|
}
|
||
|
|
|
||
|
|
// ============================================================================
|
||
|
|
// [asmjit::x86::FormatterInternal - Format Immediate (Extension)]
|
||
|
|
// ============================================================================
|
||
|
|
|
||
|
|
static constexpr char kImmCharStart = '{';
|
||
|
|
static constexpr char kImmCharEnd = '}';
|
||
|
|
static constexpr char kImmCharOr = '|';
|
||
|
|
|
||
|
|
struct ImmBits {
|
||
|
|
enum Mode : uint32_t {
|
||
|
|
kModeLookup = 0,
|
||
|
|
kModeFormat = 1
|
||
|
|
};
|
||
|
|
|
||
|
|
uint8_t mask;
|
||
|
|
uint8_t shift;
|
||
|
|
uint8_t mode;
|
||
|
|
char text[48 - 3];
|
||
|
|
};
|
||
|
|
|
||
|
|
ASMJIT_FAVOR_SIZE static Error FormatterInternal_formatImmShuf(String& sb, uint32_t u8, uint32_t bits, uint32_t count) noexcept {
|
||
|
|
uint32_t mask = (1 << bits) - 1;
|
||
|
|
|
||
|
|
for (uint32_t i = 0; i < count; i++, u8 >>= bits) {
|
||
|
|
uint32_t value = u8 & mask;
|
||
|
|
ASMJIT_PROPAGATE(sb.append(i == 0 ? kImmCharStart : kImmCharOr));
|
||
|
|
ASMJIT_PROPAGATE(sb.appendUInt(value));
|
||
|
|
}
|
||
|
|
|
||
|
|
if (kImmCharEnd)
|
||
|
|
ASMJIT_PROPAGATE(sb.append(kImmCharEnd));
|
||
|
|
|
||
|
|
return kErrorOk;
|
||
|
|
}
|
||
|
|
|
||
|
|
ASMJIT_FAVOR_SIZE static Error FormatterInternal_formatImmBits(String& sb, uint32_t u8, const ImmBits* bits, uint32_t count) noexcept {
|
||
|
|
uint32_t n = 0;
|
||
|
|
char buf[64];
|
||
|
|
|
||
|
|
for (uint32_t i = 0; i < count; i++) {
|
||
|
|
const ImmBits& spec = bits[i];
|
||
|
|
|
||
|
|
uint32_t value = (u8 & uint32_t(spec.mask)) >> spec.shift;
|
||
|
|
const char* str = nullptr;
|
||
|
|
|
||
|
|
switch (spec.mode) {
|
||
|
|
case ImmBits::kModeLookup:
|
||
|
|
str = Support::findPackedString(spec.text, value);
|
||
|
|
break;
|
||
|
|
|
||
|
|
case ImmBits::kModeFormat:
|
||
|
|
snprintf(buf, sizeof(buf), spec.text, unsigned(value));
|
||
|
|
str = buf;
|
||
|
|
break;
|
||
|
|
|
||
|
|
default:
|
||
|
|
return DebugUtils::errored(kErrorInvalidState);
|
||
|
|
}
|
||
|
|
|
||
|
|
if (!str[0])
|
||
|
|
continue;
|
||
|
|
|
||
|
|
ASMJIT_PROPAGATE(sb.append(++n == 1 ? kImmCharStart : kImmCharOr));
|
||
|
|
ASMJIT_PROPAGATE(sb.append(str));
|
||
|
|
}
|
||
|
|
|
||
|
|
if (n && kImmCharEnd)
|
||
|
|
ASMJIT_PROPAGATE(sb.append(kImmCharEnd));
|
||
|
|
|
||
|
|
return kErrorOk;
|
||
|
|
}
|
||
|
|
|
||
|
|
ASMJIT_FAVOR_SIZE static Error FormatterInternal_formatImmText(String& sb, uint32_t u8, uint32_t bits, uint32_t advance, const char* text, uint32_t count = 1) noexcept {
|
||
|
|
uint32_t mask = (1u << bits) - 1;
|
||
|
|
uint32_t pos = 0;
|
||
|
|
|
||
|
|
for (uint32_t i = 0; i < count; i++, u8 >>= bits, pos += advance) {
|
||
|
|
uint32_t value = (u8 & mask) + pos;
|
||
|
|
ASMJIT_PROPAGATE(sb.append(i == 0 ? kImmCharStart : kImmCharOr));
|
||
|
|
ASMJIT_PROPAGATE(sb.append(Support::findPackedString(text, value)));
|
||
|
|
}
|
||
|
|
|
||
|
|
if (kImmCharEnd)
|
||
|
|
ASMJIT_PROPAGATE(sb.append(kImmCharEnd));
|
||
|
|
|
||
|
|
return kErrorOk;
|
||
|
|
}
|
||
|
|
|
||
|
|
ASMJIT_FAVOR_SIZE static Error FormatterInternal_explainConst(
|
||
|
|
String& sb,
|
||
|
|
uint32_t flags,
|
||
|
|
uint32_t instId,
|
||
|
|
uint32_t vecSize,
|
||
|
|
const Imm& imm) noexcept {
|
||
|
|
|
||
|
|
DebugUtils::unused(flags);
|
||
|
|
|
||
|
|
static const char vcmpx[] =
|
||
|
|
"EQ_OQ\0" "LT_OS\0" "LE_OS\0" "UNORD_Q\0" "NEQ_UQ\0" "NLT_US\0" "NLE_US\0" "ORD_Q\0"
|
||
|
|
"EQ_UQ\0" "NGE_US\0" "NGT_US\0" "FALSE_OQ\0" "NEQ_OQ\0" "GE_OS\0" "GT_OS\0" "TRUE_UQ\0"
|
||
|
|
"EQ_OS\0" "LT_OQ\0" "LE_OQ\0" "UNORD_S\0" "NEQ_US\0" "NLT_UQ\0" "NLE_UQ\0" "ORD_S\0"
|
||
|
|
"EQ_US\0" "NGE_UQ\0" "NGT_UQ\0" "FALSE_OS\0" "NEQ_OS\0" "GE_OQ\0" "GT_OQ\0" "TRUE_US\0";
|
||
|
|
|
||
|
|
// Why to make it compatible...
|
||
|
|
static const char vpcmpx[] = "EQ\0" "LT\0" "LE\0" "FALSE\0" "NEQ\0" "GE\0" "GT\0" "TRUE\0";
|
||
|
|
static const char vpcomx[] = "LT\0" "LE\0" "GT\0" "GE\0" "EQ\0" "NEQ\0" "FALSE\0" "TRUE\0";
|
||
|
|
|
||
|
|
static const char vshufpd[] = "A0\0A1\0B0\0B1\0A2\0A3\0B2\0B3\0A4\0A5\0B4\0B5\0A6\0A7\0B6\0B7\0";
|
||
|
|
static const char vshufps[] = "A0\0A1\0A2\0A3\0A0\0A1\0A2\0A3\0B0\0B1\0B2\0B3\0B0\0B1\0B2\0B3\0";
|
||
|
|
|
||
|
|
static const ImmBits vfpclassxx[] = {
|
||
|
|
{ 0x07u, 0, ImmBits::kModeLookup, "QNAN\0" "+0\0" "-0\0" "+INF\0" "-INF\0" "DENORMAL\0" "-FINITE\0" "SNAN\0" }
|
||
|
|
};
|
||
|
|
|
||
|
|
static const ImmBits vfixupimmxx[] = {
|
||
|
|
{ 0x01u, 0, ImmBits::kModeLookup, "\0" "+INF_IE\0" },
|
||
|
|
{ 0x02u, 1, ImmBits::kModeLookup, "\0" "-VE_IE\0" },
|
||
|
|
{ 0x04u, 2, ImmBits::kModeLookup, "\0" "-INF_IE\0" },
|
||
|
|
{ 0x08u, 3, ImmBits::kModeLookup, "\0" "SNAN_IE\0" },
|
||
|
|
{ 0x10u, 4, ImmBits::kModeLookup, "\0" "ONE_IE\0" },
|
||
|
|
{ 0x20u, 5, ImmBits::kModeLookup, "\0" "ONE_ZE\0" },
|
||
|
|
{ 0x40u, 6, ImmBits::kModeLookup, "\0" "ZERO_IE\0" },
|
||
|
|
{ 0x80u, 7, ImmBits::kModeLookup, "\0" "ZERO_ZE\0" }
|
||
|
|
};
|
||
|
|
|
||
|
|
static const ImmBits vgetmantxx[] = {
|
||
|
|
{ 0x03u, 0, ImmBits::kModeLookup, "[1, 2)\0" "[.5, 2)\0" "[.5, 1)\0" "[.75, 1.5)\0" },
|
||
|
|
{ 0x04u, 2, ImmBits::kModeLookup, "\0" "NO_SIGN\0" },
|
||
|
|
{ 0x08u, 3, ImmBits::kModeLookup, "\0" "QNAN_IF_SIGN\0" }
|
||
|
|
};
|
||
|
|
|
||
|
|
static const ImmBits vmpsadbw[] = {
|
||
|
|
{ 0x04u, 2, ImmBits::kModeLookup, "BLK1[0]\0" "BLK1[1]\0" },
|
||
|
|
{ 0x03u, 0, ImmBits::kModeLookup, "BLK2[0]\0" "BLK2[1]\0" "BLK2[2]\0" "BLK2[3]\0" },
|
||
|
|
{ 0x40u, 6, ImmBits::kModeLookup, "BLK1[4]\0" "BLK1[5]\0" },
|
||
|
|
{ 0x30u, 4, ImmBits::kModeLookup, "BLK2[4]\0" "BLK2[5]\0" "BLK2[6]\0" "BLK2[7]\0" }
|
||
|
|
};
|
||
|
|
|
||
|
|
static const ImmBits vpclmulqdq[] = {
|
||
|
|
{ 0x01u, 0, ImmBits::kModeLookup, "LQ\0" "HQ\0" },
|
||
|
|
{ 0x10u, 4, ImmBits::kModeLookup, "LQ\0" "HQ\0" }
|
||
|
|
};
|
||
|
|
|
||
|
|
static const ImmBits vperm2x128[] = {
|
||
|
|
{ 0x0Bu, 0, ImmBits::kModeLookup, "A0\0" "A1\0" "B0\0" "B1\0" "\0" "\0" "\0" "\0" "0\0" "0\0" "0\0" "0\0" },
|
||
|
|
{ 0xB0u, 4, ImmBits::kModeLookup, "A0\0" "A1\0" "B0\0" "B1\0" "\0" "\0" "\0" "\0" "0\0" "0\0" "0\0" "0\0" }
|
||
|
|
};
|
||
|
|
|
||
|
|
static const ImmBits vrangexx[] = {
|
||
|
|
{ 0x03u, 0, ImmBits::kModeLookup, "MIN\0" "MAX\0" "MIN_ABS\0" "MAX_ABS\0" },
|
||
|
|
{ 0x0Cu, 2, ImmBits::kModeLookup, "SIGN_A\0" "SIGN_B\0" "SIGN_0\0" "SIGN_1\0" }
|
||
|
|
};
|
||
|
|
|
||
|
|
static const ImmBits vreducexx_vrndscalexx[] = {
|
||
|
|
{ 0x07u, 0, ImmBits::kModeLookup, "\0" "\0" "\0" "\0" "ROUND\0" "FLOOR\0" "CEIL\0" "TRUNC\0" },
|
||
|
|
{ 0x08u, 3, ImmBits::kModeLookup, "\0" "SAE\0" },
|
||
|
|
{ 0xF0u, 4, ImmBits::kModeFormat, "LEN=%d" }
|
||
|
|
};
|
||
|
|
|
||
|
|
static const ImmBits vroundxx[] = {
|
||
|
|
{ 0x07u, 0, ImmBits::kModeLookup, "ROUND\0" "FLOOR\0" "CEIL\0" "TRUNC\0" "\0" "\0" "\0" "\0" },
|
||
|
|
{ 0x08u, 3, ImmBits::kModeLookup, "\0" "INEXACT\0" }
|
||
|
|
};
|
||
|
|
|
||
|
|
uint32_t u8 = imm.valueAs<uint8_t>();
|
||
|
|
switch (instId) {
|
||
|
|
case Inst::kIdVblendpd:
|
||
|
|
case Inst::kIdBlendpd:
|
||
|
|
return FormatterInternal_formatImmShuf(sb, u8, 1, vecSize / 8);
|
||
|
|
|
||
|
|
case Inst::kIdVblendps:
|
||
|
|
case Inst::kIdBlendps:
|
||
|
|
return FormatterInternal_formatImmShuf(sb, u8, 1, vecSize / 4);
|
||
|
|
|
||
|
|
case Inst::kIdVcmppd:
|
||
|
|
case Inst::kIdVcmpps:
|
||
|
|
case Inst::kIdVcmpsd:
|
||
|
|
case Inst::kIdVcmpss:
|
||
|
|
return FormatterInternal_formatImmText(sb, u8, 5, 0, vcmpx);
|
||
|
|
|
||
|
|
case Inst::kIdCmppd:
|
||
|
|
case Inst::kIdCmpps:
|
||
|
|
case Inst::kIdCmpsd:
|
||
|
|
case Inst::kIdCmpss:
|
||
|
|
return FormatterInternal_formatImmText(sb, u8, 3, 0, vcmpx);
|
||
|
|
|
||
|
|
case Inst::kIdVdbpsadbw:
|
||
|
|
return FormatterInternal_formatImmShuf(sb, u8, 2, 4);
|
||
|
|
|
||
|
|
case Inst::kIdVdppd:
|
||
|
|
case Inst::kIdVdpps:
|
||
|
|
case Inst::kIdDppd:
|
||
|
|
case Inst::kIdDpps:
|
||
|
|
return FormatterInternal_formatImmShuf(sb, u8, 1, 8);
|
||
|
|
|
||
|
|
case Inst::kIdVmpsadbw:
|
||
|
|
case Inst::kIdMpsadbw:
|
||
|
|
return FormatterInternal_formatImmBits(sb, u8, vmpsadbw, Support::min<uint32_t>(vecSize / 8, 4));
|
||
|
|
|
||
|
|
case Inst::kIdVpblendw:
|
||
|
|
case Inst::kIdPblendw:
|
||
|
|
return FormatterInternal_formatImmShuf(sb, u8, 1, 8);
|
||
|
|
|
||
|
|
case Inst::kIdVpblendd:
|
||
|
|
return FormatterInternal_formatImmShuf(sb, u8, 1, Support::min<uint32_t>(vecSize / 4, 8));
|
||
|
|
|
||
|
|
case Inst::kIdVpclmulqdq:
|
||
|
|
case Inst::kIdPclmulqdq:
|
||
|
|
return FormatterInternal_formatImmBits(sb, u8, vpclmulqdq, ASMJIT_ARRAY_SIZE(vpclmulqdq));
|
||
|
|
|
||
|
|
case Inst::kIdVroundpd:
|
||
|
|
case Inst::kIdVroundps:
|
||
|
|
case Inst::kIdVroundsd:
|
||
|
|
case Inst::kIdVroundss:
|
||
|
|
case Inst::kIdRoundpd:
|
||
|
|
case Inst::kIdRoundps:
|
||
|
|
case Inst::kIdRoundsd:
|
||
|
|
case Inst::kIdRoundss:
|
||
|
|
return FormatterInternal_formatImmBits(sb, u8, vroundxx, ASMJIT_ARRAY_SIZE(vroundxx));
|
||
|
|
|
||
|
|
case Inst::kIdVshufpd:
|
||
|
|
case Inst::kIdShufpd:
|
||
|
|
return FormatterInternal_formatImmText(sb, u8, 1, 2, vshufpd, Support::min<uint32_t>(vecSize / 8, 8));
|
||
|
|
|
||
|
|
case Inst::kIdVshufps:
|
||
|
|
case Inst::kIdShufps:
|
||
|
|
return FormatterInternal_formatImmText(sb, u8, 2, 4, vshufps, 4);
|
||
|
|
|
||
|
|
case Inst::kIdVcvtps2ph:
|
||
|
|
return FormatterInternal_formatImmBits(sb, u8, vroundxx, 1);
|
||
|
|
|
||
|
|
case Inst::kIdVperm2f128:
|
||
|
|
case Inst::kIdVperm2i128:
|
||
|
|
return FormatterInternal_formatImmBits(sb, u8, vperm2x128, ASMJIT_ARRAY_SIZE(vperm2x128));
|
||
|
|
|
||
|
|
case Inst::kIdVpermilpd:
|
||
|
|
return FormatterInternal_formatImmShuf(sb, u8, 1, vecSize / 8);
|
||
|
|
|
||
|
|
case Inst::kIdVpermilps:
|
||
|
|
return FormatterInternal_formatImmShuf(sb, u8, 2, 4);
|
||
|
|
|
||
|
|
case Inst::kIdVpshufd:
|
||
|
|
case Inst::kIdPshufd:
|
||
|
|
return FormatterInternal_formatImmShuf(sb, u8, 2, 4);
|
||
|
|
|
||
|
|
case Inst::kIdVpshufhw:
|
||
|
|
case Inst::kIdVpshuflw:
|
||
|
|
case Inst::kIdPshufhw:
|
||
|
|
case Inst::kIdPshuflw:
|
||
|
|
case Inst::kIdPshufw:
|
||
|
|
return FormatterInternal_formatImmShuf(sb, u8, 2, 4);
|
||
|
|
|
||
|
|
case Inst::kIdVfixupimmpd:
|
||
|
|
case Inst::kIdVfixupimmps:
|
||
|
|
case Inst::kIdVfixupimmsd:
|
||
|
|
case Inst::kIdVfixupimmss:
|
||
|
|
return FormatterInternal_formatImmBits(sb, u8, vfixupimmxx, ASMJIT_ARRAY_SIZE(vfixupimmxx));
|
||
|
|
|
||
|
|
case Inst::kIdVfpclasspd:
|
||
|
|
case Inst::kIdVfpclassps:
|
||
|
|
case Inst::kIdVfpclasssd:
|
||
|
|
case Inst::kIdVfpclassss:
|
||
|
|
return FormatterInternal_formatImmBits(sb, u8, vfpclassxx, ASMJIT_ARRAY_SIZE(vfpclassxx));
|
||
|
|
|
||
|
|
case Inst::kIdVgetmantpd:
|
||
|
|
case Inst::kIdVgetmantps:
|
||
|
|
case Inst::kIdVgetmantsd:
|
||
|
|
case Inst::kIdVgetmantss:
|
||
|
|
return FormatterInternal_formatImmBits(sb, u8, vgetmantxx, ASMJIT_ARRAY_SIZE(vgetmantxx));
|
||
|
|
|
||
|
|
case Inst::kIdVpcmpb:
|
||
|
|
case Inst::kIdVpcmpd:
|
||
|
|
case Inst::kIdVpcmpq:
|
||
|
|
case Inst::kIdVpcmpw:
|
||
|
|
case Inst::kIdVpcmpub:
|
||
|
|
case Inst::kIdVpcmpud:
|
||
|
|
case Inst::kIdVpcmpuq:
|
||
|
|
case Inst::kIdVpcmpuw:
|
||
|
|
return FormatterInternal_formatImmText(sb, u8, 3, 0, vpcmpx);
|
||
|
|
|
||
|
|
case Inst::kIdVpcomb:
|
||
|
|
case Inst::kIdVpcomd:
|
||
|
|
case Inst::kIdVpcomq:
|
||
|
|
case Inst::kIdVpcomw:
|
||
|
|
case Inst::kIdVpcomub:
|
||
|
|
case Inst::kIdVpcomud:
|
||
|
|
case Inst::kIdVpcomuq:
|
||
|
|
case Inst::kIdVpcomuw:
|
||
|
|
return FormatterInternal_formatImmText(sb, u8, 3, 0, vpcomx);
|
||
|
|
|
||
|
|
case Inst::kIdVpermq:
|
||
|
|
case Inst::kIdVpermpd:
|
||
|
|
return FormatterInternal_formatImmShuf(sb, u8, 2, 4);
|
||
|
|
|
||
|
|
case Inst::kIdVpternlogd:
|
||
|
|
case Inst::kIdVpternlogq:
|
||
|
|
return FormatterInternal_formatImmShuf(sb, u8, 1, 8);
|
||
|
|
|
||
|
|
case Inst::kIdVrangepd:
|
||
|
|
case Inst::kIdVrangeps:
|
||
|
|
case Inst::kIdVrangesd:
|
||
|
|
case Inst::kIdVrangess:
|
||
|
|
return FormatterInternal_formatImmBits(sb, u8, vrangexx, ASMJIT_ARRAY_SIZE(vrangexx));
|
||
|
|
|
||
|
|
case Inst::kIdVreducepd:
|
||
|
|
case Inst::kIdVreduceps:
|
||
|
|
case Inst::kIdVreducesd:
|
||
|
|
case Inst::kIdVreducess:
|
||
|
|
case Inst::kIdVrndscalepd:
|
||
|
|
case Inst::kIdVrndscaleps:
|
||
|
|
case Inst::kIdVrndscalesd:
|
||
|
|
case Inst::kIdVrndscaless:
|
||
|
|
return FormatterInternal_formatImmBits(sb, u8, vreducexx_vrndscalexx, ASMJIT_ARRAY_SIZE(vreducexx_vrndscalexx));
|
||
|
|
|
||
|
|
case Inst::kIdVshuff32x4:
|
||
|
|
case Inst::kIdVshuff64x2:
|
||
|
|
case Inst::kIdVshufi32x4:
|
||
|
|
case Inst::kIdVshufi64x2: {
|
||
|
|
uint32_t count = Support::max<uint32_t>(vecSize / 16, 2u);
|
||
|
|
uint32_t bits = count <= 2 ? 1u : 2u;
|
||
|
|
return FormatterInternal_formatImmShuf(sb, u8, bits, count);
|
||
|
|
}
|
||
|
|
|
||
|
|
default:
|
||
|
|
return kErrorOk;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// ============================================================================
|
||
|
|
// [asmjit::x86::FormatterInternal - Format Instruction]
|
||
|
|
// ============================================================================
|
||
|
|
|
||
|
|
ASMJIT_FAVOR_SIZE Error FormatterInternal::formatInstruction(
|
||
|
|
String& sb,
|
||
|
|
uint32_t flags,
|
||
|
|
const BaseEmitter* emitter,
|
||
|
|
uint32_t arch,
|
||
|
|
const BaseInst& inst, const Operand_* operands, size_t opCount) noexcept {
|
||
|
|
|
||
|
|
uint32_t instId = inst.id();
|
||
|
|
uint32_t options = inst.options();
|
||
|
|
|
||
|
|
// Format instruction options and instruction mnemonic.
|
||
|
|
if (instId < Inst::_kIdCount) {
|
||
|
|
// VEX|EVEX options.
|
||
|
|
if (options & Inst::kOptionVex) ASMJIT_PROPAGATE(sb.append("{vex} "));
|
||
|
|
if (options & Inst::kOptionVex3) ASMJIT_PROPAGATE(sb.append("{vex3} "));
|
||
|
|
if (options & Inst::kOptionEvex) ASMJIT_PROPAGATE(sb.append("{evex} "));
|
||
|
|
|
||
|
|
// MOD/RM and MOD/MR options
|
||
|
|
if (options & Inst::kOptionModRM)
|
||
|
|
ASMJIT_PROPAGATE(sb.append("{modrm} "));
|
||
|
|
else if (options & Inst::kOptionModMR)
|
||
|
|
ASMJIT_PROPAGATE(sb.append("{modmr} "));
|
||
|
|
|
||
|
|
// SHORT|LONG options.
|
||
|
|
if (options & Inst::kOptionShortForm) ASMJIT_PROPAGATE(sb.append("short "));
|
||
|
|
if (options & Inst::kOptionLongForm) ASMJIT_PROPAGATE(sb.append("long "));
|
||
|
|
|
||
|
|
// LOCK|XACQUIRE|XRELEASE options.
|
||
|
|
if (options & Inst::kOptionXAcquire) ASMJIT_PROPAGATE(sb.append("xacquire "));
|
||
|
|
if (options & Inst::kOptionXRelease) ASMJIT_PROPAGATE(sb.append("xrelease "));
|
||
|
|
if (options & Inst::kOptionLock) ASMJIT_PROPAGATE(sb.append("lock "));
|
||
|
|
|
||
|
|
// REP|REPNE options.
|
||
|
|
if (options & (Inst::kOptionRep | Inst::kOptionRepne)) {
|
||
|
|
sb.append((options & Inst::kOptionRep) ? "rep " : "repnz ");
|
||
|
|
if (inst.hasExtraReg()) {
|
||
|
|
ASMJIT_PROPAGATE(sb.append("{"));
|
||
|
|
ASMJIT_PROPAGATE(formatOperand(sb, flags, emitter, arch, inst.extraReg().toReg<BaseReg>()));
|
||
|
|
ASMJIT_PROPAGATE(sb.append("} "));
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// REX options.
|
||
|
|
if (options & Inst::kOptionRex) {
|
||
|
|
const uint32_t kRXBWMask = Inst::kOptionOpCodeR |
|
||
|
|
Inst::kOptionOpCodeX |
|
||
|
|
Inst::kOptionOpCodeB |
|
||
|
|
Inst::kOptionOpCodeW ;
|
||
|
|
if (options & kRXBWMask) {
|
||
|
|
sb.append("rex.");
|
||
|
|
if (options & Inst::kOptionOpCodeR) sb.append('r');
|
||
|
|
if (options & Inst::kOptionOpCodeX) sb.append('x');
|
||
|
|
if (options & Inst::kOptionOpCodeB) sb.append('b');
|
||
|
|
if (options & Inst::kOptionOpCodeW) sb.append('w');
|
||
|
|
sb.append(' ');
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
ASMJIT_PROPAGATE(sb.append("rex "));
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
ASMJIT_PROPAGATE(InstAPI::instIdToString(arch, instId, sb));
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
ASMJIT_PROPAGATE(sb.appendFormat("[InstId=#%u]", unsigned(instId)));
|
||
|
|
}
|
||
|
|
|
||
|
|
for (uint32_t i = 0; i < opCount; i++) {
|
||
|
|
const Operand_& op = operands[i];
|
||
|
|
if (op.isNone()) break;
|
||
|
|
|
||
|
|
ASMJIT_PROPAGATE(sb.append(i == 0 ? " " : ", "));
|
||
|
|
ASMJIT_PROPAGATE(formatOperand(sb, flags, emitter, arch, op));
|
||
|
|
|
||
|
|
if (op.isImm() && (flags & FormatOptions::kFlagExplainImms)) {
|
||
|
|
uint32_t vecSize = 16;
|
||
|
|
for (uint32_t j = 0; j < opCount; j++)
|
||
|
|
if (operands[j].isReg())
|
||
|
|
vecSize = Support::max<uint32_t>(vecSize, operands[j].size());
|
||
|
|
ASMJIT_PROPAGATE(FormatterInternal_explainConst(sb, flags, instId, vecSize, op.as<Imm>()));
|
||
|
|
}
|
||
|
|
|
||
|
|
// Support AVX-512 masking - {k}{z}.
|
||
|
|
if (i == 0) {
|
||
|
|
if (inst.extraReg().group() == Reg::kGroupKReg) {
|
||
|
|
ASMJIT_PROPAGATE(sb.append(" {"));
|
||
|
|
ASMJIT_PROPAGATE(formatRegister(sb, flags, emitter, arch, inst.extraReg().type(), inst.extraReg().id()));
|
||
|
|
ASMJIT_PROPAGATE(sb.append('}'));
|
||
|
|
|
||
|
|
if (options & Inst::kOptionZMask)
|
||
|
|
ASMJIT_PROPAGATE(sb.append("{z}"));
|
||
|
|
}
|
||
|
|
else if (options & Inst::kOptionZMask) {
|
||
|
|
ASMJIT_PROPAGATE(sb.append(" {z}"));
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// Support AVX-512 broadcast - {1tox}.
|
||
|
|
if (op.isMem() && op.as<Mem>().hasBroadcast()) {
|
||
|
|
ASMJIT_PROPAGATE(sb.appendFormat(" {1to%u}", Support::bitMask(op.as<Mem>().getBroadcast())));
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return kErrorOk;
|
||
|
|
}
|
||
|
|
|
||
|
|
ASMJIT_END_SUB_NAMESPACE
|
||
|
|
|
||
|
|
#endif // !ASMJIT_NO_LOGGING
|