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Diffstat (limited to '')
| -rw-r--r-- | js/src/zydis/Zydis/FormatterBase.c | 755 |
1 files changed, 755 insertions, 0 deletions
diff --git a/js/src/zydis/Zydis/FormatterBase.c b/js/src/zydis/Zydis/FormatterBase.c new file mode 100644 index 0000000000..7ade825f2a --- /dev/null +++ b/js/src/zydis/Zydis/FormatterBase.c @@ -0,0 +1,755 @@ +/*************************************************************************************************** + + Zyan Disassembler Library (Zydis) + + Original Author : Florian Bernd, Joel Hoener + + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in all + * copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + +***************************************************************************************************/ + +#include "zydis/Zydis/Internal/FormatterBase.h" +#include "zydis/Zydis/Utils.h" + +/* ============================================================================================== */ +/* Constants */ +/* ============================================================================================== */ + +#include "zydis/Zydis/Generated/FormatterStrings.inc" + +static const ZydisShortString* const STR_PREF_REX[16] = +{ + &STR_PREF_REX_40, + &STR_PREF_REX_41, + &STR_PREF_REX_42, + &STR_PREF_REX_43, + &STR_PREF_REX_44, + &STR_PREF_REX_45, + &STR_PREF_REX_46, + &STR_PREF_REX_47, + &STR_PREF_REX_48, + &STR_PREF_REX_49, + &STR_PREF_REX_4A, + &STR_PREF_REX_4B, + &STR_PREF_REX_4C, + &STR_PREF_REX_4D, + &STR_PREF_REX_4E, + &STR_PREF_REX_4F +}; + +static const ZydisPredefinedToken* const TOK_PREF_REX[16] = +{ + (const ZydisPredefinedToken* const)&TOK_DATA_PREF_REX_40, + (const ZydisPredefinedToken* const)&TOK_DATA_PREF_REX_41, + (const ZydisPredefinedToken* const)&TOK_DATA_PREF_REX_42, + (const ZydisPredefinedToken* const)&TOK_DATA_PREF_REX_43, + (const ZydisPredefinedToken* const)&TOK_DATA_PREF_REX_44, + (const ZydisPredefinedToken* const)&TOK_DATA_PREF_REX_45, + (const ZydisPredefinedToken* const)&TOK_DATA_PREF_REX_46, + (const ZydisPredefinedToken* const)&TOK_DATA_PREF_REX_47, + (const ZydisPredefinedToken* const)&TOK_DATA_PREF_REX_48, + (const ZydisPredefinedToken* const)&TOK_DATA_PREF_REX_49, + (const ZydisPredefinedToken* const)&TOK_DATA_PREF_REX_4A, + (const ZydisPredefinedToken* const)&TOK_DATA_PREF_REX_4B, + (const ZydisPredefinedToken* const)&TOK_DATA_PREF_REX_4C, + (const ZydisPredefinedToken* const)&TOK_DATA_PREF_REX_4D, + (const ZydisPredefinedToken* const)&TOK_DATA_PREF_REX_4E, + (const ZydisPredefinedToken* const)&TOK_DATA_PREF_REX_4F +}; + +/* ============================================================================================== */ +/* Helper functions */ +/* ============================================================================================== */ + +ZyanU32 ZydisFormatterHelperGetExplicitSize(const ZydisFormatter* formatter, + ZydisFormatterContext* context, ZyanU8 memop_id) +{ + ZYAN_ASSERT(formatter); + ZYAN_ASSERT(context); + ZYAN_ASSERT(memop_id < context->instruction->operand_count); + + const ZydisDecodedOperand* const operand = &context->instruction->operands[memop_id]; + ZYAN_ASSERT(operand->type == ZYDIS_OPERAND_TYPE_MEMORY); + ZYAN_ASSERT(operand->mem.type == ZYDIS_MEMOP_TYPE_MEM); + + if (formatter->force_memory_size) + { + return operand->size; + } + + switch (operand->id) + { + case 0: + if ((context->instruction->operands[1].type == ZYDIS_OPERAND_TYPE_UNUSED) || + (context->instruction->operands[1].type == ZYDIS_OPERAND_TYPE_IMMEDIATE)) + { + return context->instruction->operands[0].size; + } + if (context->instruction->operands[0].size != context->instruction->operands[1].size) + { + return context->instruction->operands[0].size; + } + if ((context->instruction->operands[1].type == ZYDIS_OPERAND_TYPE_REGISTER) && + (context->instruction->operands[1].visibility == ZYDIS_OPERAND_VISIBILITY_IMPLICIT) && + (context->instruction->operands[1].reg.value == ZYDIS_REGISTER_CL)) + { + return context->instruction->operands[0].size; + } + break; + case 1: + case 2: + if (context->instruction->operands[operand->id - 1].size != + context->instruction->operands[operand->id].size) + { + return context->instruction->operands[operand->id].size; + } + break; + default: + break; + } + + return 0; +} + +/* ============================================================================================== */ +/* Formatter functions */ +/* ============================================================================================== */ + +/* ---------------------------------------------------------------------------------------------- */ +/* Operands */ +/* ---------------------------------------------------------------------------------------------- */ + +ZyanStatus ZydisFormatterBaseFormatOperandREG(const ZydisFormatter* formatter, + ZydisFormatterBuffer* buffer, ZydisFormatterContext* context) +{ + ZYAN_ASSERT(formatter); + ZYAN_ASSERT(buffer); + ZYAN_ASSERT(context); + + return formatter->func_print_register(formatter, buffer, context, context->operand->reg.value); +} + +ZyanStatus ZydisFormatterBaseFormatOperandPTR(const ZydisFormatter* formatter, + ZydisFormatterBuffer* buffer, ZydisFormatterContext* context) +{ + ZYAN_ASSERT(formatter); + ZYAN_ASSERT(buffer); + ZYAN_ASSERT(context); + + ZYDIS_BUFFER_APPEND_TOKEN(buffer, ZYDIS_TOKEN_IMMEDIATE); + ZYDIS_STRING_APPEND_NUM_U(formatter, formatter->addr_base, &buffer->string, + context->operand->ptr.segment, 4); + ZYDIS_BUFFER_APPEND(buffer, DELIM_SEGMENT); + ZYDIS_BUFFER_APPEND_TOKEN(buffer, ZYDIS_TOKEN_IMMEDIATE); + ZYDIS_STRING_APPEND_NUM_U(formatter, formatter->addr_base, &buffer->string, + context->operand->ptr.offset , 8); + + return ZYAN_STATUS_SUCCESS; +} + +ZyanStatus ZydisFormatterBaseFormatOperandIMM(const ZydisFormatter* formatter, + ZydisFormatterBuffer* buffer, ZydisFormatterContext* context) +{ + ZYAN_ASSERT(formatter); + ZYAN_ASSERT(buffer); + ZYAN_ASSERT(context); + + // The immediate operand contains an address + if (context->operand->imm.is_relative) + { + const ZyanBool absolute = !formatter->force_relative_branches && + (context->runtime_address != ZYDIS_RUNTIME_ADDRESS_NONE); + if (absolute) + { + return formatter->func_print_address_abs(formatter, buffer, context); + } + return formatter->func_print_address_rel(formatter, buffer, context); + } + + // The immediate operand contains an actual ordinal value + return formatter->func_print_imm(formatter, buffer, context); +} + +/* ---------------------------------------------------------------------------------------------- */ +/* Elemental tokens */ +/* ---------------------------------------------------------------------------------------------- */ + +ZyanStatus ZydisFormatterBasePrintAddressABS(const ZydisFormatter* formatter, + ZydisFormatterBuffer* buffer, ZydisFormatterContext* context) +{ + ZYAN_ASSERT(formatter); + ZYAN_ASSERT(buffer); + ZYAN_ASSERT(context); + + ZyanU64 address; + ZYAN_CHECK(ZydisCalcAbsoluteAddress(context->instruction, context->operand, + context->runtime_address, &address)); + ZyanU8 padding = (formatter->addr_padding_absolute == + ZYDIS_PADDING_AUTO) ? 0 : (ZyanU8)formatter->addr_padding_absolute; + if ((formatter->addr_padding_absolute == ZYDIS_PADDING_AUTO) && + (formatter->addr_base == ZYDIS_NUMERIC_BASE_HEX)) + { + switch (context->instruction->stack_width) + { + case 16: + padding = 4; + address = (ZyanU16)address; + break; + case 32: + padding = 8; + address = (ZyanU32)address; + break; + case 64: + padding = 16; + break; + default: + return ZYAN_STATUS_INVALID_ARGUMENT; + } + } + + ZYDIS_BUFFER_APPEND_TOKEN(buffer, ZYDIS_TOKEN_ADDRESS_ABS); + ZYDIS_STRING_APPEND_NUM_U(formatter, formatter->addr_base, &buffer->string, address, padding); + + return ZYAN_STATUS_SUCCESS; +} + +ZyanStatus ZydisFormatterBasePrintAddressREL(const ZydisFormatter* formatter, + ZydisFormatterBuffer* buffer, ZydisFormatterContext* context) +{ + ZYAN_ASSERT(formatter); + ZYAN_ASSERT(buffer); + ZYAN_ASSERT(context); + + ZyanU64 address; + ZYAN_CHECK(ZydisCalcAbsoluteAddress(context->instruction, context->operand, 0, &address)); + + ZyanU8 padding = (formatter->addr_padding_relative == + ZYDIS_PADDING_AUTO) ? 0 : (ZyanU8)formatter->addr_padding_relative; + if ((formatter->addr_padding_relative == ZYDIS_PADDING_AUTO) && + (formatter->addr_base == ZYDIS_NUMERIC_BASE_HEX)) + { + switch (context->instruction->stack_width) + { + case 16: + padding = 4; + address = (ZyanU16)address; + break; + case 32: + padding = 8; + address = (ZyanU32)address; + break; + case 64: + padding = 16; + break; + default: + return ZYAN_STATUS_INVALID_ARGUMENT; + } + } + + ZYDIS_BUFFER_APPEND_TOKEN(buffer, ZYDIS_TOKEN_ADDRESS_REL); + switch (formatter->addr_signedness) + { + case ZYDIS_SIGNEDNESS_AUTO: + case ZYDIS_SIGNEDNESS_SIGNED: + ZYDIS_STRING_APPEND_NUM_S(formatter, formatter->addr_base, &buffer->string, address, + padding, ZYAN_TRUE); + break; + case ZYDIS_SIGNEDNESS_UNSIGNED: + ZYAN_CHECK(ZydisStringAppendShort(&buffer->string, &STR_ADD)); + ZYDIS_STRING_APPEND_NUM_U(formatter, formatter->addr_base, &buffer->string, address, + padding); + break; + default: + return ZYAN_STATUS_INVALID_ARGUMENT; + } + + return ZYAN_STATUS_SUCCESS; +} + +ZyanStatus ZydisFormatterBasePrintIMM(const ZydisFormatter* formatter, + ZydisFormatterBuffer* buffer, ZydisFormatterContext* context) +{ + ZYAN_ASSERT(formatter); + ZYAN_ASSERT(buffer); + ZYAN_ASSERT(context); + + ZYDIS_BUFFER_APPEND_TOKEN(buffer, ZYDIS_TOKEN_IMMEDIATE); + + const ZyanBool is_signed = + (formatter->imm_signedness == ZYDIS_SIGNEDNESS_SIGNED) || + (formatter->imm_signedness == ZYDIS_SIGNEDNESS_AUTO && (context->operand->imm.is_signed)); + if (is_signed && (context->operand->imm.value.s < 0)) + { + ZYDIS_STRING_APPEND_NUM_S(formatter, formatter->imm_base, &buffer->string, + context->operand->imm.value.s, formatter->imm_padding, ZYAN_FALSE); + return ZYAN_STATUS_SUCCESS; + } + ZyanU64 value; + ZyanU8 padding = (formatter->imm_padding == + ZYDIS_PADDING_AUTO) ? 0 : (ZyanU8)formatter->imm_padding; + switch (context->instruction->operand_width) + { + case 8: + if (formatter->imm_padding == ZYDIS_PADDING_AUTO) + { + padding = 2; + } + value = (ZyanU8 )context->operand->imm.value.u; + break; + case 16: + if (formatter->imm_padding == ZYDIS_PADDING_AUTO) + { + padding = 4; + } + value = (ZyanU16)context->operand->imm.value.u; + break; + case 32: + if (formatter->imm_padding == ZYDIS_PADDING_AUTO) + { + padding = 8; + } + value = (ZyanU32)context->operand->imm.value.u; + break; + case 64: + if (formatter->imm_padding == ZYDIS_PADDING_AUTO) + { + padding = 16; + } + value = (ZyanU64)context->operand->imm.value.u; + break; + default: + return ZYAN_STATUS_INVALID_ARGUMENT; + } + ZYDIS_STRING_APPEND_NUM_U(formatter, formatter->imm_base, &buffer->string, value, padding); + + return ZYAN_STATUS_SUCCESS; +} + +/* ---------------------------------------------------------------------------------------------- */ +/* Optional tokens */ +/* ---------------------------------------------------------------------------------------------- */ + +ZyanStatus ZydisFormatterBasePrintSegment(const ZydisFormatter* formatter, + ZydisFormatterBuffer* buffer, ZydisFormatterContext* context) +{ + ZYAN_ASSERT(formatter); + ZYAN_ASSERT(buffer); + ZYAN_ASSERT(context); + + ZyanBool printed_segment = ZYAN_FALSE; + switch (context->operand->mem.segment) + { + case ZYDIS_REGISTER_ES: + case ZYDIS_REGISTER_CS: + case ZYDIS_REGISTER_FS: + case ZYDIS_REGISTER_GS: + ZYAN_CHECK(formatter->func_print_register(formatter, buffer, context, + context->operand->mem.segment)); + printed_segment = ZYAN_TRUE; + break; + case ZYDIS_REGISTER_SS: + if ((formatter->force_memory_segment) || + (context->instruction->attributes & ZYDIS_ATTRIB_HAS_SEGMENT_SS)) + { + ZYAN_CHECK(formatter->func_print_register(formatter, buffer, context, + context->operand->mem.segment)); + printed_segment = ZYAN_TRUE; + } + break; + case ZYDIS_REGISTER_DS: + if ((formatter->force_memory_segment) || + (context->instruction->attributes & ZYDIS_ATTRIB_HAS_SEGMENT_DS)) + { + ZYAN_CHECK(formatter->func_print_register(formatter, buffer, context, + context->operand->mem.segment)); + printed_segment = ZYAN_TRUE; + } + break; + default: + break; + } + if (printed_segment) + { + ZYDIS_BUFFER_APPEND(buffer, DELIM_SEGMENT); + } + + return ZYAN_STATUS_SUCCESS; +} + +ZyanStatus ZydisFormatterBasePrintPrefixes(const ZydisFormatter* formatter, + ZydisFormatterBuffer* buffer, ZydisFormatterContext* context) +{ + ZYAN_ASSERT(formatter); + ZYAN_ASSERT(buffer); + ZYAN_ASSERT(context); + + if (formatter->detailed_prefixes) + { + for (ZyanU8 i = 0; i < context->instruction->raw.prefix_count; ++i) + { + const ZyanU8 value = context->instruction->raw.prefixes[i].value; + switch (context->instruction->raw.prefixes[i].type) + { + case ZYDIS_PREFIX_TYPE_IGNORED: + case ZYDIS_PREFIX_TYPE_MANDATORY: + { + if ((value & 0xF0) == 0x40) + { + if (buffer->is_token_list) + { + // TODO: Case + ZYAN_CHECK(ZydisFormatterBufferAppendPredefined(buffer, + TOK_PREF_REX[value & 0x0F])); + } else + { + ZYAN_CHECK(ZydisStringAppendShortCase(&buffer->string, + STR_PREF_REX[value & 0x0F], formatter->case_prefixes)); + } + } else + { + switch (value) + { + case 0xF0: + ZYDIS_BUFFER_APPEND_CASE(buffer, PREF_LOCK, formatter->case_prefixes); + break; + case 0x2E: + ZYDIS_BUFFER_APPEND_CASE(buffer, PREF_SEG_CS, formatter->case_prefixes); + break; + case 0x36: + ZYDIS_BUFFER_APPEND_CASE(buffer, PREF_SEG_SS, formatter->case_prefixes); + break; + case 0x3E: + ZYDIS_BUFFER_APPEND_CASE(buffer, PREF_SEG_DS, formatter->case_prefixes); + break; + case 0x26: + ZYDIS_BUFFER_APPEND_CASE(buffer, PREF_SEG_ES, formatter->case_prefixes); + break; + case 0x64: + ZYDIS_BUFFER_APPEND_CASE(buffer, PREF_SEG_FS, formatter->case_prefixes); + break; + case 0x65: + ZYDIS_BUFFER_APPEND_CASE(buffer, PREF_SEG_GS, formatter->case_prefixes); + break; + default: + ZYDIS_BUFFER_APPEND_TOKEN(buffer, ZYDIS_TOKEN_PREFIX); + ZYAN_CHECK(ZydisStringAppendHexU(&buffer->string, value, 0, + formatter->hex_uppercase, ZYAN_NULL, ZYAN_NULL)); + ZYDIS_BUFFER_APPEND_TOKEN(buffer, ZYDIS_TOKEN_WHITESPACE); + ZYAN_CHECK(ZydisStringAppendShort(&buffer->string, &STR_WHITESPACE)); + break; + } + } + break; + } + case ZYDIS_PREFIX_TYPE_EFFECTIVE: + switch (value) + { + case 0xF0: + ZYDIS_BUFFER_APPEND_CASE(buffer, PREF_LOCK, formatter->case_prefixes); + break; + case 0xF2: + if (context->instruction->attributes & ZYDIS_ATTRIB_HAS_XACQUIRE) + { + ZYDIS_BUFFER_APPEND_CASE(buffer, PREF_XACQUIRE, formatter->case_prefixes); + } + if (context->instruction->attributes & ZYDIS_ATTRIB_HAS_REPNE) + { + ZYDIS_BUFFER_APPEND_CASE(buffer, PREF_REPNE, formatter->case_prefixes); + } + + if (context->instruction->attributes & ZYDIS_ATTRIB_HAS_BND) + { + ZYDIS_BUFFER_APPEND_CASE(buffer, PREF_BND, formatter->case_prefixes); + } + break; + case 0xF3: + if (context->instruction->attributes & ZYDIS_ATTRIB_HAS_XRELEASE) + { + ZYDIS_BUFFER_APPEND_CASE(buffer, PREF_XRELEASE, formatter->case_prefixes); + } + if (context->instruction->attributes & ZYDIS_ATTRIB_HAS_REP) + { + ZYDIS_BUFFER_APPEND_CASE(buffer, PREF_REP, formatter->case_prefixes); + } + if (context->instruction->attributes & ZYDIS_ATTRIB_HAS_REPE) + { + ZYDIS_BUFFER_APPEND_CASE(buffer, PREF_REPE, formatter->case_prefixes); + } + break; + default: + break; + } + break; + default: + return ZYAN_STATUS_INVALID_ARGUMENT; + } + } + return ZYAN_STATUS_SUCCESS; + } + + if (context->instruction->attributes & ZYDIS_ATTRIB_HAS_XACQUIRE) + { + ZYDIS_BUFFER_APPEND_CASE(buffer, PREF_XACQUIRE, formatter->case_prefixes); + } + if (context->instruction->attributes & ZYDIS_ATTRIB_HAS_XRELEASE) + { + ZYDIS_BUFFER_APPEND_CASE(buffer, PREF_XRELEASE, formatter->case_prefixes); + } + + if (context->instruction->attributes & ZYDIS_ATTRIB_HAS_LOCK) + { + ZYDIS_BUFFER_APPEND_CASE(buffer, PREF_LOCK, formatter->case_prefixes); + return ZYAN_STATUS_SUCCESS; + } + + if (context->instruction->attributes & ZYDIS_ATTRIB_HAS_REP) + { + ZYDIS_BUFFER_APPEND_CASE(buffer, PREF_REP, formatter->case_prefixes); + return ZYAN_STATUS_SUCCESS; + } + if (context->instruction->attributes & ZYDIS_ATTRIB_HAS_REPE) + { + ZYDIS_BUFFER_APPEND_CASE(buffer, PREF_REPE, formatter->case_prefixes); + return ZYAN_STATUS_SUCCESS; + } + if (context->instruction->attributes & ZYDIS_ATTRIB_HAS_REPNE) + { + ZYDIS_BUFFER_APPEND_CASE(buffer, PREF_REPNE, formatter->case_prefixes); + return ZYAN_STATUS_SUCCESS; + } + + if (context->instruction->attributes & ZYDIS_ATTRIB_HAS_BND) + { + ZYDIS_BUFFER_APPEND_CASE(buffer, PREF_BND, formatter->case_prefixes); + return ZYAN_STATUS_SUCCESS; + } + + return ZYAN_STATUS_SUCCESS; +} + +ZyanStatus ZydisFormatterBasePrintDecorator(const ZydisFormatter* formatter, + ZydisFormatterBuffer* buffer, ZydisFormatterContext* context, ZydisDecorator decorator) +{ + ZYAN_ASSERT(formatter); + ZYAN_ASSERT(buffer); + ZYAN_ASSERT(context); + +#if defined(ZYDIS_DISABLE_AVX512) && defined(ZYDIS_DISABLE_KNC) + ZYAN_UNUSED(formatter); + ZYAN_UNUSED(buffer); + ZYAN_UNUSED(context); +#endif + + switch (decorator) + { + case ZYDIS_DECORATOR_MASK: + { +#if !defined(ZYDIS_DISABLE_AVX512) || !defined(ZYDIS_DISABLE_KNC) + if (context->instruction->avx.mask.reg != ZYDIS_REGISTER_K0) + { + if (buffer->is_token_list) + { + ZYDIS_BUFFER_APPEND(buffer, DECO_BEGIN); + ZYAN_CHECK(formatter->func_print_register(formatter, buffer, context, + context->instruction->avx.mask.reg)); + ZYDIS_BUFFER_APPEND(buffer, DECO_END); + } else + { + ZYAN_CHECK(ZydisStringAppendShort(&buffer->string, &STR_DECO_BEGIN)); + ZYAN_CHECK(formatter->func_print_register(formatter, buffer, context, + context->instruction->avx.mask.reg)); + ZYAN_CHECK(ZydisStringAppendShort(&buffer->string, &STR_DECO_END)); + } + + // Only print the zeroing decorator, if the instruction is not a "zeroing masking only" + // instruction (e.g. `vcmpsd`) + if ((context->instruction->avx.mask.mode == ZYDIS_MASK_MODE_ZEROING) && + (context->instruction->raw.evex.z)) + { + ZYDIS_BUFFER_APPEND_CASE(buffer, DECO_ZERO, formatter->case_decorators); + } + } +#endif + break; + } + case ZYDIS_DECORATOR_BC: +#if !defined(ZYDIS_DISABLE_AVX512) + if (!context->instruction->avx.broadcast.is_static) + { + switch (context->instruction->avx.broadcast.mode) + { + case ZYDIS_BROADCAST_MODE_INVALID: + break; + case ZYDIS_BROADCAST_MODE_1_TO_2: + ZYDIS_BUFFER_APPEND_CASE(buffer, DECO_1TO2, formatter->case_decorators); + break; + case ZYDIS_BROADCAST_MODE_1_TO_4: + ZYDIS_BUFFER_APPEND_CASE(buffer, DECO_1TO4, formatter->case_decorators); + break; + case ZYDIS_BROADCAST_MODE_1_TO_8: + ZYDIS_BUFFER_APPEND_CASE(buffer, DECO_1TO8, formatter->case_decorators); + break; + case ZYDIS_BROADCAST_MODE_1_TO_16: + ZYDIS_BUFFER_APPEND_CASE(buffer, DECO_1TO16, formatter->case_decorators); + break; + case ZYDIS_BROADCAST_MODE_4_TO_8: + ZYDIS_BUFFER_APPEND_CASE(buffer, DECO_4TO8, formatter->case_decorators); + break; + case ZYDIS_BROADCAST_MODE_4_TO_16: + ZYDIS_BUFFER_APPEND_CASE(buffer, DECO_4TO16, formatter->case_decorators); + break; + default: + return ZYAN_STATUS_INVALID_ARGUMENT; + } + } +#endif + break; + case ZYDIS_DECORATOR_RC: +#if !defined(ZYDIS_DISABLE_AVX512) + if (context->instruction->avx.has_sae) + { + switch (context->instruction->avx.rounding.mode) + { + case ZYDIS_ROUNDING_MODE_INVALID: + break; + case ZYDIS_ROUNDING_MODE_RN: + ZYDIS_BUFFER_APPEND_CASE(buffer, DECO_RN_SAE, formatter->case_decorators); + break; + case ZYDIS_ROUNDING_MODE_RD: + ZYDIS_BUFFER_APPEND_CASE(buffer, DECO_RD_SAE, formatter->case_decorators); + break; + case ZYDIS_ROUNDING_MODE_RU: + ZYDIS_BUFFER_APPEND_CASE(buffer, DECO_RU_SAE, formatter->case_decorators); + break; + case ZYDIS_ROUNDING_MODE_RZ: + ZYDIS_BUFFER_APPEND_CASE(buffer, DECO_RZ_SAE, formatter->case_decorators); + break; + default: + return ZYAN_STATUS_INVALID_ARGUMENT; + } + } else + { + switch (context->instruction->avx.rounding.mode) + { + case ZYDIS_ROUNDING_MODE_INVALID: + break; + case ZYDIS_ROUNDING_MODE_RN: + ZYDIS_BUFFER_APPEND_CASE(buffer, DECO_RN, formatter->case_decorators); + break; + case ZYDIS_ROUNDING_MODE_RD: + ZYDIS_BUFFER_APPEND_CASE(buffer, DECO_RD, formatter->case_decorators); + break; + case ZYDIS_ROUNDING_MODE_RU: + ZYDIS_BUFFER_APPEND_CASE(buffer, DECO_RU, formatter->case_decorators); + break; + case ZYDIS_ROUNDING_MODE_RZ: + ZYDIS_BUFFER_APPEND_CASE(buffer, DECO_RZ, formatter->case_decorators); + break; + default: + return ZYAN_STATUS_INVALID_ARGUMENT; + } + } +#endif + break; + case ZYDIS_DECORATOR_SAE: +#if !defined(ZYDIS_DISABLE_AVX512) + if (context->instruction->avx.has_sae && !context->instruction->avx.rounding.mode) + { + ZYDIS_BUFFER_APPEND_CASE(buffer, DECO_SAE, formatter->case_decorators); + } +#endif + break; + case ZYDIS_DECORATOR_SWIZZLE: +#if !defined(ZYDIS_DISABLE_KNC) + switch (context->instruction->avx.swizzle.mode) + { + case ZYDIS_SWIZZLE_MODE_INVALID: + case ZYDIS_SWIZZLE_MODE_DCBA: + // Nothing to do here + break; + case ZYDIS_SWIZZLE_MODE_CDAB: + ZYDIS_BUFFER_APPEND_CASE(buffer, DECO_CDAB, formatter->case_decorators); + break; + case ZYDIS_SWIZZLE_MODE_BADC: + ZYDIS_BUFFER_APPEND_CASE(buffer, DECO_BADC, formatter->case_decorators); + break; + case ZYDIS_SWIZZLE_MODE_DACB: + ZYDIS_BUFFER_APPEND_CASE(buffer, DECO_DACB, formatter->case_decorators); + break; + case ZYDIS_SWIZZLE_MODE_AAAA: + ZYDIS_BUFFER_APPEND_CASE(buffer, DECO_AAAA, formatter->case_decorators); + break; + case ZYDIS_SWIZZLE_MODE_BBBB: + ZYDIS_BUFFER_APPEND_CASE(buffer, DECO_BBBB, formatter->case_decorators); + break; + case ZYDIS_SWIZZLE_MODE_CCCC: + ZYDIS_BUFFER_APPEND_CASE(buffer, DECO_CCCC, formatter->case_decorators); + break; + case ZYDIS_SWIZZLE_MODE_DDDD: + ZYDIS_BUFFER_APPEND_CASE(buffer, DECO_DDDD, formatter->case_decorators); + break; + default: + return ZYAN_STATUS_INVALID_ARGUMENT; + } +#endif + break; + case ZYDIS_DECORATOR_CONVERSION: +#if !defined(ZYDIS_DISABLE_KNC) + switch (context->instruction->avx.conversion.mode) + { + case ZYDIS_CONVERSION_MODE_INVALID: + break; + case ZYDIS_CONVERSION_MODE_FLOAT16: + ZYDIS_BUFFER_APPEND_CASE(buffer, DECO_FLOAT16, formatter->case_decorators); + break; + case ZYDIS_CONVERSION_MODE_SINT8: + ZYDIS_BUFFER_APPEND_CASE(buffer, DECO_SINT8, formatter->case_decorators); + break; + case ZYDIS_CONVERSION_MODE_UINT8: + ZYDIS_BUFFER_APPEND_CASE(buffer, DECO_UINT8, formatter->case_decorators); + break; + case ZYDIS_CONVERSION_MODE_SINT16: + ZYDIS_BUFFER_APPEND_CASE(buffer, DECO_SINT16, formatter->case_decorators); + break; + case ZYDIS_CONVERSION_MODE_UINT16: + ZYDIS_BUFFER_APPEND_CASE(buffer, DECO_UINT16, formatter->case_decorators); + break; + default: + return ZYAN_STATUS_INVALID_ARGUMENT; + } +#endif + break; + case ZYDIS_DECORATOR_EH: +#if !defined(ZYDIS_DISABLE_KNC) + if (context->instruction->avx.has_eviction_hint) + { + ZYDIS_BUFFER_APPEND_CASE(buffer, DECO_EH, formatter->case_decorators); + } +#endif + break; + default: + return ZYAN_STATUS_INVALID_ARGUMENT; + } + + return ZYAN_STATUS_SUCCESS; +} + +/* ---------------------------------------------------------------------------------------------- */ + +/* ============================================================================================== */ |