"use strict"; const { hex } = require("./util"); // http://ref.x86asm.net/coder32.html const zf = 1 << 6; const of = 1 << 11; const cf = 1 << 0; const af = 1 << 4; const pf = 1 << 2; const sf = 1 << 7; // Test intel-specific behaviour // Setting this to true can make some tests fail const TESTS_ASSUME_INTEL = false; // === Types of instructions // // create entry | check for compiled code | instruction // -------------+-------------------------+----------------------------------------------------------- // 1 | optional | pop ds (may change cpu state) // | | trigger_ud, div (exception that doesn't generate conditional return from BB) // | | port io, popf, sti (may call interrupt or continue at next instruction) // | | hlt // -------------+-------------------------+----------------------------------------------------------- // 1 | 1 | call [eax], jmp [eax], int, iret, ret, jmpf, callf, sysenter, sysexit // | | Special case: normal instruction with fallthough to next page // | | Special case: after execution of compiled code // | | -> may create redundant entry points depending on last instruction? // -------------+-------------------------+----------------------------------------------------------- // 1 | 0 | rep movs, rep lods, rep stos, rep cmps, rep scas // | | -> Executed as follows: // | | - Upto including the first call in compiled mode // | | - Back to main loop and repeated in interpreted mode (as entry point is after instruction, not on) // | | - When finished entry pointer *after* instruction is hit and execution continues in compiled mode // -------------+-------------------------+----------------------------------------------------------- // 0 | optional | jmp foo, jnz foo // | | (foo is in the same page as the instruction) // -------------+-------------------------+----------------------------------------------------------- // 1 | 1 | call foo // | | (foo is in the same page as the instruction) // | | -> The entry point is not created for jumps within // | | this page, but speculatively for calls from // | | other pages to the function in this page // -------------+-------------------------+----------------------------------------------------------- // 1 | 1 | call foo, jmp foo, jnz foo // | | (foo is in a different page than the instruction) // e: a modrm byte follows the operand // os: the instruction behaves differently depending on the operand size // fixed_g: the reg field of the modrm byte selects an instruction // skip: skip automatically generated tests (nasmtests) // mask_flags: flags bits to mask in generated tests // prefix: is a prefix instruction // imm8, imm8s, imm16, imm1632, immaddr, extra_imm8, extra_imm16: one or two immediate bytes follows the instruction // custom: will callback jit to generate custom code // block_boundary: may change eip in a way not handled by the jit // no_next_instruction: jit will stop analysing after instruction (e.g., unconditional jump, ret) const encodings = [ { opcode: 0x06, os: 1, custom: 1 }, { opcode: 0x07, os: 1, skip: 1, block_boundary: 1 }, // pop es: block_boundary since it uses non-raising cpu exceptions { opcode: 0x0E, os: 1, custom: 1 }, { opcode: 0x0F, os: 1, prefix: 1 }, { opcode: 0x16, os: 1, custom: 1 }, { opcode: 0x17, block_boundary: 1, os: 1, skip: 1 }, // pop ss { opcode: 0x1E, os: 1, custom: 1 }, { opcode: 0x1F, block_boundary: 1, os: 1, skip: 1 }, // pop ds { opcode: 0x26, prefix: 1 }, { opcode: 0x27, mask_flags: of }, { opcode: 0x2E, prefix: 1 }, { opcode: 0x2F, mask_flags: of }, { opcode: 0x36, prefix: 1 }, { opcode: 0x37, mask_flags: of | sf | pf | zf }, { opcode: 0x3E, prefix: 1 }, { opcode: 0x3F, mask_flags: of | sf | pf | zf }, { opcode: 0x60, os: 1, block_boundary: 1 }, // pusha { opcode: 0x61, os: 1, block_boundary: 1 }, // popa { opcode: 0x62, e: 1, skip: 1 }, { opcode: 0x63, e: 1, block_boundary: 1 }, // arpl { opcode: 0x64, prefix: 1 }, { opcode: 0x65, prefix: 1 }, { opcode: 0x66, prefix: 1 }, { opcode: 0x67, prefix: 1 }, { opcode: 0x68, custom: 1, os: 1, imm1632: 1 }, { opcode: 0x69, os: 1, e: 1, custom: 1, imm1632: 1, mask_flags: TESTS_ASSUME_INTEL ? af : sf | zf | af | pf }, { opcode: 0x6A, custom: 1, os: 1, imm8s: 1 }, { opcode: 0x6B, os: 1, e: 1, custom: 1, imm8s: 1, mask_flags: TESTS_ASSUME_INTEL ? af : sf | zf | af | pf }, { opcode: 0x6C, block_boundary: 1, custom: 1, is_string: 1, skip: 1 }, // ins { opcode: 0xF26C, block_boundary: 1, custom: 1, is_string: 1, skip: 1 }, { opcode: 0xF36C, block_boundary: 1, custom: 1, is_string: 1, skip: 1 }, { opcode: 0x6D, block_boundary: 1, custom: 1, is_string: 1, os: 1, skip: 1 }, { opcode: 0xF26D, block_boundary: 1, custom: 1, is_string: 1, os: 1, skip: 1 }, { opcode: 0xF36D, block_boundary: 1, custom: 1, is_string: 1, os: 1, skip: 1 }, { opcode: 0x6E, block_boundary: 1, custom: 1, is_string: 1, skip: 1 }, // outs { opcode: 0xF26E, block_boundary: 1, custom: 1, is_string: 1, skip: 1 }, { opcode: 0xF36E, block_boundary: 1, custom: 1, is_string: 1, skip: 1 }, { opcode: 0x6F, block_boundary: 1, custom: 1, is_string: 1, os: 1, skip: 1 }, { opcode: 0xF26F, block_boundary: 1, custom: 1, is_string: 1, os: 1, skip: 1 }, { opcode: 0xF36F, block_boundary: 1, custom: 1, is_string: 1, os: 1, skip: 1 }, { opcode: 0x84, custom: 1, e: 1 }, { opcode: 0x85, custom: 1, e: 1, os: 1 }, { opcode: 0x86, custom: 1, e: 1 }, { opcode: 0x87, custom: 1, os: 1, e: 1 }, { opcode: 0x88, custom: 1, e: 1 }, { opcode: 0x89, custom: 1, os: 1, e: 1 }, { opcode: 0x8A, custom: 1, e: 1 }, { opcode: 0x8B, custom: 1, os: 1, e: 1 }, { opcode: 0x8C, os: 1, e: 1, custom: 1, skip: 1 }, // mov reg, sreg { opcode: 0x8D, reg_ud: 1, os: 1, e: 1, custom_modrm_resolve: 1, custom: 1 }, // lea { opcode: 0x8E, block_boundary: 1, e: 1, skip: 1 }, // mov sreg { opcode: 0x8F, os: 1, e: 1, fixed_g: 0, custom_modrm_resolve: 1, custom: 1, block_boundary: 1 }, // pop r/m { opcode: 0x90, custom: 1 }, { opcode: 0x91, custom: 1, os: 1 }, { opcode: 0x92, custom: 1, os: 1 }, { opcode: 0x93, custom: 1, os: 1 }, { opcode: 0x94, custom: 1, os: 1 }, { opcode: 0x95, custom: 1, os: 1 }, { opcode: 0x96, custom: 1, os: 1 }, { opcode: 0x97, custom: 1, os: 1 }, { opcode: 0x98, os: 1, custom: 1 }, { opcode: 0x99, os: 1, custom: 1 }, { opcode: 0x9A, os: 1, imm1632: 1, extra_imm16: 1, skip: 1, block_boundary: 1 }, // callf { opcode: 0x9B, block_boundary: 1, skip: 1 }, // fwait: block_boundary since it uses non-raising cpu exceptions { opcode: 0x9C, os: 1, custom: 1, skip: 1 }, // pushf { opcode: 0x9D, os: 1, custom: 1, skip: 1 }, // popf { opcode: 0x9E, custom: 1 }, { opcode: 0x9F, custom: 1 }, { opcode: 0xA0, custom: 1, immaddr: 1 }, { opcode: 0xA1, custom: 1, os: 1, immaddr: 1 }, { opcode: 0xA2, custom: 1, immaddr: 1 }, { opcode: 0xA3, custom: 1, os: 1, immaddr: 1 }, // string instructions aren't jumps, but they modify eip due to how they're implemented { opcode: 0xA4, block_boundary: 0, custom: 1, is_string: 1 }, { opcode: 0xF2A4, block_boundary: 1, custom: 1, is_string: 1 }, { opcode: 0xF3A4, block_boundary: 1, custom: 1, is_string: 1 }, { opcode: 0xA5, block_boundary: 0, custom: 1, is_string: 1, os: 1 }, { opcode: 0xF2A5, block_boundary: 1, custom: 1, is_string: 1, os: 1 }, { opcode: 0xF3A5, block_boundary: 1, custom: 1, is_string: 1, os: 1 }, { opcode: 0xA6, block_boundary: 1, custom: 1, is_string: 1 }, { opcode: 0xF2A6, block_boundary: 1, custom: 1, is_string: 1 }, { opcode: 0xF3A6, block_boundary: 1, custom: 1, is_string: 1 }, { opcode: 0xA7, block_boundary: 1, custom: 1, is_string: 1, os: 1 }, { opcode: 0xF2A7, block_boundary: 1, custom: 1, is_string: 1, os: 1 }, { opcode: 0xF3A7, block_boundary: 1, custom: 1, is_string: 1, os: 1 }, { opcode: 0xA8, custom: 1, imm8: 1 }, { opcode: 0xA9, custom: 1, os: 1, imm1632: 1 }, { opcode: 0xAA, block_boundary: 0, custom: 1, is_string: 1 }, { opcode: 0xF2AA, block_boundary: 1, custom: 1, is_string: 1 }, { opcode: 0xF3AA, block_boundary: 1, custom: 1, is_string: 1 }, { opcode: 0xAB, block_boundary: 0, custom: 1, is_string: 1, os: 1 }, { opcode: 0xF2AB, block_boundary: 1, custom: 1, is_string: 1, os: 1 }, { opcode: 0xF3AB, block_boundary: 1, custom: 1, is_string: 1, os: 1 }, { opcode: 0xAC, block_boundary: 0, custom: 1, is_string: 1 }, { opcode: 0xF2AC, block_boundary: 1, custom: 1, is_string: 1 }, { opcode: 0xF3AC, block_boundary: 1, custom: 1, is_string: 1 }, { opcode: 0xAD, block_boundary: 0, custom: 1, is_string: 1, os: 1 }, { opcode: 0xF2AD, block_boundary: 1, custom: 1, is_string: 1, os: 1 }, { opcode: 0xF3AD, block_boundary: 1, custom: 1, is_string: 1, os: 1 }, { opcode: 0xAE, block_boundary: 0, custom: 1, is_string: 1 }, { opcode: 0xF2AE, block_boundary: 1, custom: 1, is_string: 1 }, { opcode: 0xF3AE, block_boundary: 1, custom: 1, is_string: 1 }, { opcode: 0xAF, block_boundary: 0, custom: 1, is_string: 1, os: 1 }, { opcode: 0xF2AF, block_boundary: 1, custom: 1, is_string: 1, os: 1 }, { opcode: 0xF3AF, block_boundary: 1, custom: 1, is_string: 1, os: 1 }, { opcode: 0xC2, custom: 1, block_boundary: 1, no_next_instruction: 1, os: 1, absolute_jump: 1, imm16: 1, skip: 1 }, // ret { opcode: 0xC3, custom: 1, block_boundary: 1, no_next_instruction: 1, os: 1, absolute_jump: 1, skip: 1 }, { opcode: 0xC4, block_boundary: 1, os: 1, e: 1, skip: 1 }, // les { opcode: 0xC5, block_boundary: 1, os: 1, e: 1, skip: 1 }, // lds { opcode: 0xC6, custom: 1, e: 1, fixed_g: 0, imm8: 1 }, { opcode: 0xC7, custom: 1, os: 1, e: 1, fixed_g: 0, imm1632: 1 }, // XXX: Temporary block boundary { opcode: 0xC8, os: 1, imm16: 1, extra_imm8: 1, block_boundary: 1 }, // enter { opcode: 0xC9, custom: 1, os: 1, skip: 1 }, // leave { opcode: 0xCA, block_boundary: 1, no_next_instruction: 1, os: 1, imm16: 1, skip: 1 }, // retf { opcode: 0xCB, block_boundary: 1, no_next_instruction: 1, os: 1, skip: 1 }, { opcode: 0xCC, block_boundary: 1, skip: 1 }, // int { opcode: 0xCD, block_boundary: 1, skip: 1, imm8: 1 }, { opcode: 0xCE, block_boundary: 1, skip: 1 }, { opcode: 0xCF, block_boundary: 1, no_next_instruction: 1, os: 1, skip: 1 }, // iret { opcode: 0xD4, imm8: 1, block_boundary: 1 }, // aam, may trigger #de { opcode: 0xD5, imm8: 1, mask_flags: of | cf | af }, { opcode: 0xD6 }, { opcode: 0xD7, skip: 1, custom: 1 }, { opcode: 0xD8, e: 1, fixed_g: 0, custom: 1, is_fpu: 1, task_switch_test: 1 }, { opcode: 0xD8, e: 1, fixed_g: 1, custom: 1, is_fpu: 1, task_switch_test: 1 }, { opcode: 0xD8, e: 1, fixed_g: 2, custom: 1, is_fpu: 1, task_switch_test: 1 }, { opcode: 0xD8, e: 1, fixed_g: 3, custom: 1, is_fpu: 1, task_switch_test: 1 }, { opcode: 0xD8, e: 1, fixed_g: 4, custom: 1, is_fpu: 1, task_switch_test: 1 }, { opcode: 0xD8, e: 1, fixed_g: 5, custom: 1, is_fpu: 1, task_switch_test: 1 }, { opcode: 0xD8, e: 1, fixed_g: 6, custom: 1, is_fpu: 1, task_switch_test: 1 }, { opcode: 0xD8, e: 1, fixed_g: 7, custom: 1, is_fpu: 1, task_switch_test: 1 }, { opcode: 0xD9, e: 1, fixed_g: 0, custom: 1, is_fpu: 1, task_switch_test: 1, os: 1 }, { opcode: 0xD9, e: 1, fixed_g: 1, custom: 1, is_fpu: 1, task_switch_test: 1, os: 1 }, { opcode: 0xD9, e: 1, fixed_g: 2, custom: 1, is_fpu: 1, task_switch_test: 1, os: 1 }, { opcode: 0xD9, e: 1, fixed_g: 3, custom: 1, is_fpu: 1, task_switch_test: 1, os: 1 }, { opcode: 0xD9, e: 1, fixed_g: 4, custom: 1, is_fpu: 1, task_switch_test: 1, os: 1, skip_mem: 1 }, // fldenv (mem) { opcode: 0xD9, e: 1, fixed_g: 5, custom: 1, is_fpu: 1, task_switch_test: 1, os: 1 }, { opcode: 0xD9, e: 1, fixed_g: 6, custom: 1, is_fpu: 1, task_switch_test: 1, os: 1, skip: 1 }, // fstenv (mem), fprem (reg) { opcode: 0xD9, e: 1, fixed_g: 7, custom: 1, is_fpu: 1, task_switch_test: 1, os: 1, skip_reg: 1 }, // fprem, fyl2xp1 (precision issues) { opcode: 0xDA, e: 1, fixed_g: 0, custom: 1, is_fpu: 1, task_switch_test: 1 }, { opcode: 0xDA, e: 1, fixed_g: 1, custom: 1, is_fpu: 1, task_switch_test: 1 }, { opcode: 0xDA, e: 1, fixed_g: 2, custom: 1, is_fpu: 1, task_switch_test: 1 }, { opcode: 0xDA, e: 1, fixed_g: 3, custom: 1, is_fpu: 1, task_switch_test: 1 }, { opcode: 0xDA, e: 1, fixed_g: 4, custom: 1, is_fpu: 1, task_switch_test: 1 }, { opcode: 0xDA, e: 1, fixed_g: 5, custom: 1, is_fpu: 1, task_switch_test: 1 }, { opcode: 0xDA, e: 1, fixed_g: 6, custom: 1, is_fpu: 1, task_switch_test: 1 }, { opcode: 0xDA, e: 1, fixed_g: 7, custom: 1, is_fpu: 1, task_switch_test: 1 }, { opcode: 0xDB, e: 1, fixed_g: 0, custom: 1, is_fpu: 1, task_switch_test: 1 }, { opcode: 0xDB, e: 1, fixed_g: 1, custom: 1, is_fpu: 1, task_switch_test: 1 }, // fisttp (sse3) { opcode: 0xDB, e: 1, fixed_g: 2, custom: 1, is_fpu: 1, task_switch_test: 1 }, { opcode: 0xDB, e: 1, fixed_g: 3, custom: 1, is_fpu: 1, task_switch_test: 1 }, { opcode: 0xDB, e: 1, fixed_g: 4, custom: 0, is_fpu: 1, task_switch_test: 1 }, { opcode: 0xDB, e: 1, fixed_g: 5, custom: 1, is_fpu: 1, task_switch_test: 1 }, { opcode: 0xDB, e: 1, fixed_g: 6, custom: 1, is_fpu: 1, task_switch_test: 1 }, { opcode: 0xDB, e: 1, fixed_g: 7, custom: 0, is_fpu: 1, task_switch_test: 1 }, { opcode: 0xDC, e: 1, fixed_g: 0, custom: 1, is_fpu: 1, task_switch_test: 1 }, { opcode: 0xDC, e: 1, fixed_g: 1, custom: 1, is_fpu: 1, task_switch_test: 1 }, { opcode: 0xDC, e: 1, fixed_g: 2, custom: 1, is_fpu: 1, task_switch_test: 1 }, { opcode: 0xDC, e: 1, fixed_g: 3, custom: 1, is_fpu: 1, task_switch_test: 1 }, { opcode: 0xDC, e: 1, fixed_g: 4, custom: 1, is_fpu: 1, task_switch_test: 1 }, { opcode: 0xDC, e: 1, fixed_g: 5, custom: 1, is_fpu: 1, task_switch_test: 1 }, { opcode: 0xDC, e: 1, fixed_g: 6, custom: 1, is_fpu: 1, task_switch_test: 1 }, { opcode: 0xDC, e: 1, fixed_g: 7, custom: 1, is_fpu: 1, task_switch_test: 1 }, { opcode: 0xDD, e: 1, fixed_g: 0, custom: 1, is_fpu: 1, task_switch_test: 1, os: 1 }, { opcode: 0xDD, e: 1, fixed_g: 1, custom: 1, is_fpu: 1, task_switch_test: 1, os: 1 }, // fisttp (sse3) { opcode: 0xDD, e: 1, fixed_g: 2, custom: 1, is_fpu: 1, task_switch_test: 1, os: 1 }, { opcode: 0xDD, e: 1, fixed_g: 3, custom: 1, is_fpu: 1, task_switch_test: 1, os: 1 }, { opcode: 0xDD, e: 1, fixed_g: 4, custom: 0, is_fpu: 1, task_switch_test: 1, os: 1, skip_mem: 1 }, // frstor { opcode: 0xDD, e: 1, fixed_g: 5, custom: 1, is_fpu: 1, task_switch_test: 1, os: 1 }, { opcode: 0xDD, e: 1, fixed_g: 6, custom: 0, is_fpu: 1, task_switch_test: 1, os: 1, skip_mem: 1 }, // fsave { opcode: 0xDD, e: 1, fixed_g: 7, custom: 0, is_fpu: 1, task_switch_test: 1, os: 1, skip_mem: 1 }, // fstsw (denormal flag) { opcode: 0xDE, e: 1, fixed_g: 0, custom: 1, is_fpu: 1, task_switch_test: 1 }, { opcode: 0xDE, e: 1, fixed_g: 1, custom: 1, is_fpu: 1, task_switch_test: 1 }, { opcode: 0xDE, e: 1, fixed_g: 2, custom: 1, is_fpu: 1, task_switch_test: 1 }, { opcode: 0xDE, e: 1, fixed_g: 3, custom: 1, is_fpu: 1, task_switch_test: 1 }, { opcode: 0xDE, e: 1, fixed_g: 4, custom: 1, is_fpu: 1, task_switch_test: 1 }, { opcode: 0xDE, e: 1, fixed_g: 5, custom: 1, is_fpu: 1, task_switch_test: 1 }, { opcode: 0xDE, e: 1, fixed_g: 6, custom: 1, is_fpu: 1, task_switch_test: 1 }, { opcode: 0xDE, e: 1, fixed_g: 7, custom: 1, is_fpu: 1, task_switch_test: 1 }, { opcode: 0xDF, e: 1, fixed_g: 0, custom: 0, is_fpu: 1, task_switch_test: 1 }, { opcode: 0xDF, e: 1, fixed_g: 1, custom: 1, is_fpu: 1, task_switch_test: 1 }, // fisttp (sse3) { opcode: 0xDF, e: 1, fixed_g: 2, custom: 1, is_fpu: 1, task_switch_test: 1 }, { opcode: 0xDF, e: 1, fixed_g: 3, custom: 1, is_fpu: 1, task_switch_test: 1 }, { opcode: 0xDF, e: 1, fixed_g: 4, custom: 1, is_fpu: 1, task_switch_test: 1, skip: 1 }, // unimplemented: Binary Coded Decimals / fsts (denormal flag) { opcode: 0xDF, e: 1, fixed_g: 5, custom: 1, is_fpu: 1, task_switch_test: 1 }, { opcode: 0xDF, e: 1, fixed_g: 6, custom: 1, is_fpu: 1, task_switch_test: 1 }, { opcode: 0xDF, e: 1, fixed_g: 7, custom: 1, is_fpu: 1, task_switch_test: 1 }, // loop, jcxz, etc. { opcode: 0xE0, os: 1, imm8s: 1, no_block_boundary_in_interpreted: 1, skip: 1, block_boundary: 1, jump_offset_imm: 1, custom: 1, conditional_jump: 1 }, { opcode: 0xE1, os: 1, imm8s: 1, no_block_boundary_in_interpreted: 1, skip: 1, block_boundary: 1, jump_offset_imm: 1, custom: 1, conditional_jump: 1 }, { opcode: 0xE2, os: 1, imm8s: 1, no_block_boundary_in_interpreted: 1, skip: 1, block_boundary: 1, jump_offset_imm: 1, custom: 1, conditional_jump: 1 }, { opcode: 0xE3, os: 1, imm8s: 1, no_block_boundary_in_interpreted: 1, skip: 1, block_boundary: 1, jump_offset_imm: 1, custom: 1, conditional_jump: 1 }, // port functions aren't jumps, but they may modify eip due to how they are implemented { opcode: 0xE4, block_boundary: 1, imm8: 1, skip: 1 }, // in { opcode: 0xE5, block_boundary: 1, os: 1, imm8: 1, skip: 1 }, { opcode: 0xE6, block_boundary: 1, imm8: 1, skip: 1 }, // out { opcode: 0xE7, block_boundary: 1, os: 1, imm8: 1, skip: 1 }, { opcode: 0xE8, block_boundary: 1, jump_offset_imm: 1, os: 1, imm1632: 1, custom: 1, skip: 1 }, // call { opcode: 0xE9, block_boundary: 1, no_block_boundary_in_interpreted: 1, jump_offset_imm: 1, no_next_instruction: 1, os: 1, imm1632: 1, custom: 1, skip: 1 }, { opcode: 0xEA, block_boundary: 1, no_next_instruction: 1, os: 1, imm1632: 1, extra_imm16: 1, skip: 1 }, // jmpf { opcode: 0xEB, block_boundary: 1, no_block_boundary_in_interpreted: 1, jump_offset_imm: 1, no_next_instruction: 1, os: 1, imm8s: 1, custom: 1, skip: 1 }, { opcode: 0xEC, block_boundary: 1, skip: 1 }, // in { opcode: 0xED, block_boundary: 1, os: 1, skip: 1 }, { opcode: 0xEE, block_boundary: 1, skip: 1 }, // out { opcode: 0xEF, block_boundary: 1, os: 1, skip: 1 }, { opcode: 0xF0, prefix: 1 }, { opcode: 0xF1, skip: 1 }, { opcode: 0xF2, prefix: 1 }, { opcode: 0xF3, prefix: 1 }, { opcode: 0xF4, block_boundary: 1, no_next_instruction: 1, skip: 1 }, // hlt { opcode: 0xF5 }, { opcode: 0xF6, e: 1, fixed_g: 0, imm8: 1, custom: 1 }, { opcode: 0xF6, e: 1, fixed_g: 1, imm8: 1, custom: 1 }, { opcode: 0xF6, e: 1, fixed_g: 2, custom: 1 }, { opcode: 0xF6, e: 1, fixed_g: 3, custom: 1 }, { opcode: 0xF6, e: 1, fixed_g: 4, mask_flags: TESTS_ASSUME_INTEL ? af | zf : sf | zf | af | pf }, { opcode: 0xF6, e: 1, fixed_g: 5, mask_flags: TESTS_ASSUME_INTEL ? af | zf : sf | zf | af | pf }, // div/idiv: Not a block boundary, but doesn't use control flow exceptions { opcode: 0xF6, e: 1, fixed_g: 6, mask_flags: TESTS_ASSUME_INTEL ? 0 : sf | zf | af | pf, block_boundary: 1 }, { opcode: 0xF6, e: 1, fixed_g: 7, mask_flags: TESTS_ASSUME_INTEL ? 0 : sf | zf | af | pf, block_boundary: 1 }, { opcode: 0xF7, os: 1, e: 1, fixed_g: 0, imm1632: 1, custom: 1 }, { opcode: 0xF7, os: 1, e: 1, fixed_g: 1, imm1632: 1, custom: 1 }, { opcode: 0xF7, os: 1, e: 1, fixed_g: 2, custom: 1 }, { opcode: 0xF7, os: 1, e: 1, fixed_g: 3, custom: 1 }, { opcode: 0xF7, os: 1, e: 1, fixed_g: 4, mask_flags: TESTS_ASSUME_INTEL ? af | zf : sf | zf | af | pf, custom: 1 }, { opcode: 0xF7, os: 1, e: 1, fixed_g: 5, mask_flags: TESTS_ASSUME_INTEL ? af | zf : sf | zf | af | pf, custom: 1 }, { opcode: 0xF7, os: 1, e: 1, fixed_g: 6, mask_flags: TESTS_ASSUME_INTEL ? 0 : sf | zf | af | pf, custom: 1 }, { opcode: 0xF7, os: 1, e: 1, fixed_g: 7, mask_flags: TESTS_ASSUME_INTEL ? 0 : sf | zf | af | pf, custom: 1 }, { opcode: 0xF8, custom: 1 }, { opcode: 0xF9, custom: 1 }, { opcode: 0xFA, custom: 1, skip: 1 }, // STI: Note: Has special handling in jit in order to call handle_irqs safely { opcode: 0xFB, custom: 1, custom_sti: 1, skip: 1 }, { opcode: 0xFC, custom: 1 }, { opcode: 0xFD, custom: 1 }, { opcode: 0xFE, e: 1, fixed_g: 0, custom: 1 }, { opcode: 0xFE, e: 1, fixed_g: 1, custom: 1 }, { opcode: 0xFF, os: 1, e: 1, fixed_g: 0, custom: 1 }, { opcode: 0xFF, os: 1, e: 1, fixed_g: 1, custom: 1 }, { opcode: 0xFF, os: 1, e: 1, fixed_g: 2, custom: 1, block_boundary: 1, absolute_jump: 1, skip: 1 }, { opcode: 0xFF, os: 1, e: 1, fixed_g: 3, block_boundary: 1, skip: 1 }, { opcode: 0xFF, os: 1, e: 1, fixed_g: 4, custom: 1, block_boundary: 1, absolute_jump: 1, no_next_instruction: 1, skip: 1 }, { opcode: 0xFF, os: 1, e: 1, fixed_g: 5, block_boundary: 1, no_next_instruction: 1, skip: 1 }, { opcode: 0xFF, custom: 1, os: 1, e: 1, fixed_g: 6 }, { opcode: 0x0F00, fixed_g: 0, e: 1, skip: 1, block_boundary: 1, os: 1 }, // sldt, ... { opcode: 0x0F00, fixed_g: 1, e: 1, skip: 1, block_boundary: 1, os: 1 }, { opcode: 0x0F00, fixed_g: 2, e: 1, skip: 1, block_boundary: 1, os: 1 }, { opcode: 0x0F00, fixed_g: 3, e: 1, skip: 1, block_boundary: 1, os: 1 }, { opcode: 0x0F00, fixed_g: 4, e: 1, skip: 1, block_boundary: 1, os: 1 }, { opcode: 0x0F00, fixed_g: 5, e: 1, skip: 1, block_boundary: 1, os: 1 }, { opcode: 0x0F01, fixed_g: 0, e: 1, skip: 1, block_boundary: 1, os: 1 }, // sgdt, ... { opcode: 0x0F01, fixed_g: 1, e: 1, skip: 1, block_boundary: 1, os: 1 }, { opcode: 0x0F01, fixed_g: 2, e: 1, skip: 1, block_boundary: 1, os: 1 }, { opcode: 0x0F01, fixed_g: 3, e: 1, skip: 1, block_boundary: 1, os: 1 }, { opcode: 0x0F01, fixed_g: 4, e: 1, skip: 1, block_boundary: 1, os: 1 }, { opcode: 0x0F01, fixed_g: 6, e: 1, skip: 1, block_boundary: 1, os: 1 }, { opcode: 0x0F01, fixed_g: 7, e: 1, skip: 1, block_boundary: 1, os: 1 }, { opcode: 0x0F02, os: 1, e: 1, skip: 1, block_boundary: 1 }, // lar { opcode: 0x0F03, os: 1, e: 1, skip: 1, block_boundary: 1 }, // lsl { opcode: 0x0F04, skip: 1, block_boundary: 1 }, { opcode: 0x0F05, skip: 1, block_boundary: 1 }, { opcode: 0x0F06, skip: 1, block_boundary: 1 }, // clts { opcode: 0x0F07, skip: 1, block_boundary: 1 }, { opcode: 0x0F08, skip: 1, block_boundary: 1 }, { opcode: 0x0F09, skip: 1, block_boundary: 1 }, // wbinvd { opcode: 0x0F0A, skip: 1, block_boundary: 1 }, // ud2 // Technically has a next instruction, but Linux uses this for assertions // and embeds the assertion message after this instruction, which is likely // the most common use case of ud2 { opcode: 0x0F0B, skip: 1, block_boundary: 1, custom: 1, no_next_instruction: 1 }, { opcode: 0x0F0C, skip: 1, block_boundary: 1 }, { opcode: 0x0F0D, skip: 1, block_boundary: 1 }, { opcode: 0x0F0E, skip: 1, block_boundary: 1 }, { opcode: 0x0F0F, skip: 1, block_boundary: 1 }, { opcode: 0x0F18, e: 1, custom: 1 }, { opcode: 0x0F19, custom: 1, e: 1 }, { opcode: 0x0F1A, skip: 1, block_boundary: 1 }, { opcode: 0x0F1B, skip: 1, block_boundary: 1 }, { opcode: 0x0F1C, custom: 1, e: 1 }, { opcode: 0x0F1D, custom: 1, e: 1 }, { opcode: 0x0F1E, custom: 1, e: 1 }, { opcode: 0x0F1F, custom: 1, e: 1 }, { opcode: 0x0F20, ignore_mod: 1, e: 1, skip: 1, block_boundary: 1 }, // mov reg, creg { opcode: 0x0F21, ignore_mod: 1, e: 1, skip: 1, block_boundary: 1 }, // mov reg, dreg { opcode: 0x0F22, ignore_mod: 1, e: 1, skip: 1, block_boundary: 1 }, // mov creg, reg { opcode: 0x0F23, ignore_mod: 1, e: 1, skip: 1, block_boundary: 1 }, // mov dreg, reg { opcode: 0x0F24, skip: 1, block_boundary: 1 }, { opcode: 0x0F25, skip: 1, block_boundary: 1 }, { opcode: 0x0F26, skip: 1, block_boundary: 1 }, { opcode: 0x0F27, skip: 1, block_boundary: 1 }, { opcode: 0x0F30, skip: 1, block_boundary: 1 }, // wrmsr { opcode: 0x0F31, skip: 1, custom: 1 }, // rdtsc { opcode: 0x0F32, skip: 1, block_boundary: 1 }, // rdmsr { opcode: 0x0F33, skip: 1, block_boundary: 1 }, // rdpmc { opcode: 0x0F34, skip: 1, block_boundary: 1, no_next_instruction: 1 }, // sysenter { opcode: 0x0F35, skip: 1, block_boundary: 1, no_next_instruction: 1 }, // sysexit { opcode: 0x0F36, skip: 1, block_boundary: 1 }, // ud { opcode: 0x0F37, skip: 1, block_boundary: 1 }, // getsec // ssse3+ { opcode: 0x0F38, skip: 1, block_boundary: 1 }, { opcode: 0x0F39, skip: 1, block_boundary: 1 }, { opcode: 0x0F3A, skip: 1, block_boundary: 1 }, { opcode: 0x0F3B, skip: 1, block_boundary: 1 }, { opcode: 0x0F3C, skip: 1, block_boundary: 1 }, { opcode: 0x0F3D, skip: 1, block_boundary: 1 }, { opcode: 0x0F3E, skip: 1, block_boundary: 1 }, { opcode: 0x0F3F, skip: 1, block_boundary: 1 }, { opcode: 0x0FA0, os: 1, custom: 1 }, { opcode: 0x0FA1, os: 1, block_boundary: 1, skip: 1 }, // pop fs: block_boundary since it uses non-raising cpu exceptions { opcode: 0x0FA2, skip: 1 }, { opcode: 0x0FA8, os: 1, custom: 1 }, { opcode: 0x0FA9, os: 1, block_boundary: 1, skip: 1 }, // pop gs { opcode: 0x0FA3, os: 1, e: 1, custom: 1, skip_mem: 1 }, // bt (can also index memory, but not supported by test right now) { opcode: 0x0FAB, os: 1, e: 1, custom: 1, skip_mem: 1 }, { opcode: 0x0FB3, os: 1, e: 1, custom: 1, skip_mem: 1 }, { opcode: 0x0FBB, os: 1, e: 1, custom: 1, skip_mem: 1 }, { opcode: 0x0FBA, os: 1, e: 1, fixed_g: 4, imm8: 1, custom: 1 }, // bt { opcode: 0x0FBA, os: 1, e: 1, fixed_g: 5, imm8: 1, custom: 1 }, { opcode: 0x0FBA, os: 1, e: 1, fixed_g: 6, imm8: 1, custom: 1 }, { opcode: 0x0FBA, os: 1, e: 1, fixed_g: 7, imm8: 1, custom: 1 }, { opcode: 0x0FBC, os: 1, e: 1, mask_flags: of | sf | af | pf | cf, custom: 1 }, // bsf { opcode: 0x0FBD, os: 1, e: 1, mask_flags: of | sf | af | pf | cf, custom: 1 }, // note: overflow flag only undefined if shift is > 1 { opcode: 0x0FA4, os: 1, e: 1, custom: 1, imm8: 1, mask_flags: af | of }, // shld { opcode: 0x0FA5, os: 1, e: 1, custom: 1, mask_flags: af | of }, { opcode: 0x0FAC, os: 1, e: 1, custom: 1, imm8: 1, mask_flags: af | of }, { opcode: 0x0FAD, os: 1, e: 1, custom: 1, mask_flags: af | of }, { opcode: 0x0FA6, skip: 1, block_boundary: 1 }, // ud { opcode: 0x0FA7, skip: 1, block_boundary: 1 }, // ud { opcode: 0x0FAA, skip: 1 }, { opcode: 0x0FAE, e: 1, fixed_g: 0, reg_ud: 1, task_switch_test: 1, skip: 1, block_boundary: 1 }, // fxsave { opcode: 0x0FAE, e: 1, fixed_g: 1, reg_ud: 1, task_switch_test: 1, skip: 1, block_boundary: 1 }, // fxrstor { opcode: 0x0FAE, e: 1, fixed_g: 2, reg_ud: 1, sse: 1, skip: 1, block_boundary: 1 }, // ldmxcsr { opcode: 0x0FAE, e: 1, fixed_g: 3, reg_ud: 1, sse: 1, skip: 1, block_boundary: 1 }, // stmxcsr { opcode: 0x0FAE, e: 1, fixed_g: 4, reg_ud: 1, skip: 1, block_boundary: 1 }, // xsave (mem, not implemented) { opcode: 0x0FAE, e: 1, fixed_g: 5, skip: 1, custom: 1 }, // lfence (reg, only 0), xrstor (mem, not implemented) { opcode: 0x0FAE, e: 1, fixed_g: 6, skip: 1, block_boundary: 1 }, // mfence (reg, only 0), xsaveopt (mem, not implemented) { opcode: 0x0FAE, e: 1, fixed_g: 7, skip: 1, block_boundary: 1 }, // sfence (reg, only 0), clflush (mem) { opcode: 0x0FAF, os: 1, e: 1, mask_flags: TESTS_ASSUME_INTEL ? af | zf : sf | zf | af | pf, custom: 1 }, // imul { opcode: 0x0FB0, e: 1 }, // cmxchg { opcode: 0x0FB1, os: 1, e: 1, custom: 1 }, { opcode: 0x0FC7, e: 1, fixed_g: 1, os: 1, reg_ud: 1, custom: 1 }, // cmpxchg8b (memory) { opcode: 0x0FC7, e: 1, fixed_g: 6, os: 1, mem_ud: 1, skip: 1 }, // rdrand { opcode: 0x0FB2, block_boundary: 1, os: 1, e: 1, skip: 1 }, // lss { opcode: 0x0FB4, block_boundary: 1, os: 1, e: 1, skip: 1 }, // lfs { opcode: 0x0FB5, block_boundary: 1, os: 1, e: 1, skip: 1 }, // lgs { opcode: 0x0FB6, os: 1, e: 1, custom: 1 }, // movzx { opcode: 0x0FB7, os: 1, e: 1, custom: 1 }, { opcode: 0xF30FB8, os: 1, e: 1, custom: 1 }, // popcnt { opcode: 0x0FB8, os: 1, e: 1, block_boundary: 1 }, // ud { opcode: 0x0FB9, block_boundary: 1 }, // ud2 { opcode: 0x0FBE, os: 1, e: 1, custom: 1 }, // movsx { opcode: 0x0FBF, os: 1, e: 1, custom: 1 }, { opcode: 0x0FC0, e: 1 }, // xadd { opcode: 0x0FC1, os: 1, e: 1, custom: 1 }, { opcode: 0x0FC8, custom: 1 }, // bswap { opcode: 0x0FC9, custom: 1 }, { opcode: 0x0FCA, custom: 1 }, { opcode: 0x0FCB, custom: 1 }, { opcode: 0x0FCC, custom: 1 }, { opcode: 0x0FCD, custom: 1 }, { opcode: 0x0FCE, custom: 1 }, { opcode: 0x0FCF, custom: 1 }, // mmx, sse { sse: 1, opcode: 0x0F10, e: 1, custom: 1 }, { sse: 1, opcode: 0xF30F10, e: 1, custom: 1 }, { sse: 1, opcode: 0x660F10, e: 1, custom: 1 }, { sse: 1, opcode: 0xF20F10, e: 1, custom: 1 }, { sse: 1, opcode: 0x0F11, e: 1, custom: 1 }, { sse: 1, opcode: 0xF30F11, e: 1, custom: 1 }, { sse: 1, opcode: 0x660F11, e: 1, custom: 1 }, { sse: 1, opcode: 0xF20F11, e: 1, custom: 1 }, { sse: 1, opcode: 0x0F12, e: 1, custom: 1 }, { sse: 1, opcode: 0x660F12, reg_ud: 1, e: 1, custom: 1 }, { sse: 1, opcode: 0xF20F12, e: 1, custom: 1 }, // sse3 { sse: 1, opcode: 0xF30F12, e: 1, custom: 1 }, // sse3 { sse: 1, opcode: 0x0F13, reg_ud: 1, e: 1, custom: 1 }, { sse: 1, opcode: 0x660F13, reg_ud: 1, e: 1, custom: 1 }, { sse: 1, opcode: 0x0F14, e: 1, custom: 1 }, { sse: 1, opcode: 0x660F14, e: 1, custom: 1 }, { sse: 1, opcode: 0x0F15, e: 1, custom: 1 }, { sse: 1, opcode: 0x660F15, e: 1, custom: 1 }, { sse: 1, opcode: 0x0F16, e: 1, custom: 1 }, { sse: 1, opcode: 0x660F16, reg_ud: 1, e: 1, custom: 1 }, { sse: 1, opcode: 0xF30F16, e: 1, custom: 1 }, // sse3 { sse: 1, opcode: 0x0F17, reg_ud: 1, e: 1, custom: 1 }, { sse: 1, opcode: 0x660F17, reg_ud: 1, e: 1, custom: 1 }, { sse: 1, opcode: 0x0F28, e: 1, custom: 1 }, { sse: 1, opcode: 0x660F28, e: 1, custom: 1 }, { sse: 1, opcode: 0x0F29, e: 1, custom: 1 }, { sse: 1, opcode: 0x660F29, e: 1, custom: 1 }, { sse: 1, opcode: 0x0F2A, e: 1, custom: 1 }, { sse: 1, opcode: 0x660F2A, e: 1, custom: 1 }, { sse: 1, opcode: 0xF20F2A, e: 1, custom: 1 }, { sse: 1, opcode: 0xF30F2A, e: 1, custom: 1 }, { sse: 1, opcode: 0x0F2B, reg_ud: 1, e: 1, custom: 1 }, { sse: 1, opcode: 0x660F2B, reg_ud: 1, e: 1, custom: 1 }, { sse: 1, opcode: 0x0F2C, e: 1 }, { sse: 1, opcode: 0x660F2C, e: 1 }, { sse: 1, opcode: 0xF20F2C, e: 1, custom: 1 }, { sse: 1, opcode: 0xF30F2C, e: 1, custom: 1 }, { sse: 1, opcode: 0x0F2D, e: 1 }, { sse: 1, opcode: 0x660F2D, e: 1 }, { sse: 1, opcode: 0xF20F2D, e: 1, custom: 1 }, { sse: 1, opcode: 0xF30F2D, e: 1, custom: 1 }, { sse: 1, opcode: 0x0F2E, e: 1, custom: 1 }, { sse: 1, opcode: 0x660F2E, e: 1, custom: 1 }, { sse: 1, opcode: 0x0F2F, e: 1, custom: 1 }, { sse: 1, opcode: 0x660F2F, e: 1, custom: 1 }, { sse: 1, opcode: 0x0F50, mem_ud: 1, e: 1 }, { sse: 1, opcode: 0x660F50, mem_ud: 1, e: 1 }, { sse: 1, opcode: 0x0F51, e: 1, custom: 1 }, { sse: 1, opcode: 0x660F51, e: 1, custom: 1 }, { sse: 1, opcode: 0xF20F51, e: 1, custom: 1 }, { sse: 1, opcode: 0xF30F51, e: 1, custom: 1 }, // approximation of 1/sqrt(x). Skipped because our approximation doesn't match intel's { sse: 1, opcode: 0x0F52, e: 1, skip: 1, custom: 1 }, { sse: 1, opcode: 0xF30F52, e: 1, skip: 1, custom: 1 }, // reciprocal: approximation of 1/x. Skipped because our approximation doesn't match intel's { sse: 1, opcode: 0x0F53, e: 1, skip: 1, custom: 1 }, { sse: 1, opcode: 0xF30F53, e: 1, skip: 1, custom: 1 }, { sse: 1, opcode: 0x0F54, e: 1, custom: 1 }, { sse: 1, opcode: 0x660F54, e: 1, custom: 1 }, { sse: 1, opcode: 0x0F55, e: 1, custom: 1 }, { sse: 1, opcode: 0x660F55, e: 1, custom: 1 }, { sse: 1, opcode: 0x0F56, e: 1, custom: 1 }, { sse: 1, opcode: 0x660F56, e: 1, custom: 1 }, { sse: 1, opcode: 0x0F57, e: 1, custom: 1 }, { sse: 1, opcode: 0x660F57, e: 1, custom: 1 }, { sse: 1, opcode: 0x0F58, e: 1, custom: 1 }, { sse: 1, opcode: 0x660F58, e: 1, custom: 1 }, { sse: 1, opcode: 0xF20F58, e: 1, custom: 1 }, { sse: 1, opcode: 0xF30F58, e: 1, custom: 1 }, { sse: 1, opcode: 0x0F59, e: 1, custom: 1 }, { sse: 1, opcode: 0x660F59, e: 1, custom: 1 }, { sse: 1, opcode: 0xF20F59, e: 1, custom: 1 }, { sse: 1, opcode: 0xF30F59, e: 1, custom: 1 }, { sse: 1, opcode: 0x0F5A, e: 1, custom: 1 }, { sse: 1, opcode: 0x660F5A, e: 1, custom: 1 }, { sse: 1, opcode: 0xF20F5A, e: 1, custom: 1 }, { sse: 1, opcode: 0xF30F5A, e: 1, custom: 1 }, { sse: 1, opcode: 0x0F5B, e: 1, custom: 1 }, { sse: 1, opcode: 0x660F5B, e: 1, custom: 1 }, // no F2 variant { sse: 1, opcode: 0xF30F5B, e: 1, custom: 1 }, { sse: 1, opcode: 0x0F5C, e: 1, custom: 1 }, { sse: 1, opcode: 0x660F5C, e: 1, custom: 1 }, { sse: 1, opcode: 0xF20F5C, e: 1, custom: 1 }, { sse: 1, opcode: 0xF30F5C, e: 1, custom: 1 }, { sse: 1, opcode: 0x0F5D, e: 1, custom: 1 }, { sse: 1, opcode: 0x660F5D, e: 1, custom: 1 }, { sse: 1, opcode: 0xF20F5D, e: 1, custom: 1 }, { sse: 1, opcode: 0xF30F5D, e: 1, custom: 1 }, { sse: 1, opcode: 0x0F5E, e: 1, custom: 1 }, { sse: 1, opcode: 0x660F5E, e: 1, custom: 1 }, { sse: 1, opcode: 0xF20F5E, e: 1, custom: 1 }, { sse: 1, opcode: 0xF30F5E, e: 1, custom: 1 }, { sse: 1, opcode: 0x0F5F, e: 1, custom: 1 }, { sse: 1, opcode: 0x660F5F, e: 1, custom: 1 }, { sse: 1, opcode: 0xF20F5F, e: 1, custom: 1 }, { sse: 1, opcode: 0xF30F5F, e: 1, custom: 1 }, { sse: 1, opcode: 0x660F60, e: 1, custom: 1 }, { sse: 1, opcode: 0x0F60, e: 1, custom: 1 }, { sse: 1, opcode: 0x660F61, e: 1, custom: 1 }, { sse: 1, opcode: 0x0F61, e: 1, custom: 1 }, { sse: 1, opcode: 0x660F62, e: 1, custom: 1 }, { sse: 1, opcode: 0x0F62, e: 1, custom: 1 }, { sse: 1, opcode: 0x660F63, e: 1, custom: 1 }, { sse: 1, opcode: 0x0F63, e: 1, custom: 1 }, { sse: 1, opcode: 0x660F64, e: 1, custom: 1 }, { sse: 1, opcode: 0x0F64, e: 1, custom: 1 }, { sse: 1, opcode: 0x660F65, e: 1, custom: 1 }, { sse: 1, opcode: 0x0F65, e: 1, custom: 1 }, { sse: 1, opcode: 0x660F66, e: 1, custom: 1 }, { sse: 1, opcode: 0x0F66, e: 1, custom: 1 }, { sse: 1, opcode: 0x660F67, e: 1, custom: 1 }, { sse: 1, opcode: 0x0F67, e: 1, custom: 1 }, { sse: 1, opcode: 0x660F68, e: 1, custom: 1 }, { sse: 1, opcode: 0x0F68, e: 1, custom: 1 }, { sse: 1, opcode: 0x660F69, e: 1, custom: 1 }, { sse: 1, opcode: 0x0F69, e: 1, custom: 1 }, { sse: 1, opcode: 0x660F6A, e: 1, custom: 1 }, { sse: 1, opcode: 0x0F6A, e: 1, custom: 1 }, { sse: 1, opcode: 0x660F6B, e: 1, custom: 1 }, { sse: 1, opcode: 0x0F6B, e: 1, custom: 1 }, { sse: 1, opcode: 0x660F6C, e: 1, custom: 1 }, { sse: 1, opcode: 0x0F6C, e: 1, block_boundary: 1 }, // ud { sse: 1, opcode: 0x660F6D, e: 1, custom: 1 }, { sse: 1, opcode: 0x0F6D, e: 1, block_boundary: 1 }, // ud { sse: 1, opcode: 0x660F6E, e: 1, custom: 1 }, { sse: 1, opcode: 0x0F6E, e: 1, custom: 1 }, { sse: 1, opcode: 0xF30F6F, e: 1, custom: 1 }, { sse: 1, opcode: 0x660F6F, e: 1, custom: 1 }, { sse: 1, opcode: 0x0F6F, e: 1, custom: 1 }, { sse: 1, opcode: 0x0F70, e: 1, imm8: 1, custom: 1 }, { sse: 1, opcode: 0x660F70, e: 1, imm8: 1, custom: 1 }, { sse: 1, opcode: 0xF20F70, e: 1, imm8: 1, custom: 1 }, { sse: 1, opcode: 0xF30F70, e: 1, imm8: 1, custom: 1 }, { sse: 1, opcode: 0x0F71, e: 1, fixed_g: 2, imm8: 1, mem_ud: 1, custom: 1 }, { sse: 1, opcode: 0x660F71, e: 1, fixed_g: 2, imm8: 1, mem_ud: 1, custom: 1 }, { sse: 1, opcode: 0x0F71, e: 1, fixed_g: 4, imm8: 1, mem_ud: 1, custom: 1 }, { sse: 1, opcode: 0x660F71, e: 1, fixed_g: 4, imm8: 1, mem_ud: 1, custom: 1 }, { sse: 1, opcode: 0x0F71, e: 1, fixed_g: 6, imm8: 1, mem_ud: 1, custom: 1 }, { sse: 1, opcode: 0x660F71, e: 1, fixed_g: 6, imm8: 1, mem_ud: 1, custom: 1 }, { sse: 1, opcode: 0x0F72, e: 1, fixed_g: 2, imm8: 1, mem_ud: 1, custom: 1 }, { sse: 1, opcode: 0x660F72, e: 1, fixed_g: 2, imm8: 1, mem_ud: 1, custom: 1 }, { sse: 1, opcode: 0x0F72, e: 1, fixed_g: 4, imm8: 1, mem_ud: 1, custom: 1 }, { sse: 1, opcode: 0x660F72, e: 1, fixed_g: 4, imm8: 1, mem_ud: 1, custom: 1 }, { sse: 1, opcode: 0x0F72, e: 1, fixed_g: 6, imm8: 1, mem_ud: 1, custom: 1 }, { sse: 1, opcode: 0x660F72, e: 1, fixed_g: 6, imm8: 1, mem_ud: 1, custom: 1 }, { sse: 1, opcode: 0x0F73, e: 1, fixed_g: 2, imm8: 1, mem_ud: 1, custom: 1 }, { sse: 1, opcode: 0x660F73, e: 1, fixed_g: 2, imm8: 1, mem_ud: 1, custom: 1 }, { sse: 1, opcode: 0x660F73, e: 1, fixed_g: 3, imm8: 1, mem_ud: 1, custom: 1 }, { sse: 1, opcode: 0x0F73, e: 1, fixed_g: 6, imm8: 1, mem_ud: 1, custom: 1 }, { sse: 1, opcode: 0x660F73, e: 1, fixed_g: 6, imm8: 1, mem_ud: 1, custom: 1 }, { sse: 1, opcode: 0x660F73, e: 1, fixed_g: 7, imm8: 1, mem_ud: 1, custom: 1 }, { sse: 1, opcode: 0x0F74, e: 1, custom: 1 }, { sse: 1, opcode: 0x660F74, e: 1, custom: 1 }, { sse: 1, opcode: 0x0F75, e: 1, custom: 1 }, { sse: 1, opcode: 0x660F75, e: 1, custom: 1 }, { sse: 1, opcode: 0x0F76, e: 1, custom: 1 }, { sse: 1, opcode: 0x660F76, e: 1, custom: 1 }, { sse: 1, opcode: 0x0F77, skip: 1 }, // emms (skip as it breaks gdb printing of float registers) // vmx instructions { opcode: 0x0F78, skip: 1, block_boundary: 1 }, { opcode: 0x0F79, skip: 1, block_boundary: 1 }, { opcode: 0x0F7A, skip: 1, block_boundary: 1 }, // ud { opcode: 0x0F7B, skip: 1, block_boundary: 1 }, // ud { sse: 1, opcode: 0x660F7C, e: 1, custom: 1 }, // sse3 { sse: 1, opcode: 0xF20F7C, e: 1, custom: 1 }, // sse3 { sse: 1, opcode: 0x660F7D, e: 1, custom: 1 }, // sse3 { sse: 1, opcode: 0xF20F7D, e: 1, custom: 1 }, // sse3 { opcode: 0x0F7C, skip: 1, block_boundary: 1 }, // ud { opcode: 0x0F7D, skip: 1, block_boundary: 1 }, // ud { sse: 1, opcode: 0x0F7E, e: 1, custom: 1 }, { sse: 1, opcode: 0x660F7E, e: 1, custom: 1 }, { sse: 1, opcode: 0xF30F7E, e: 1, custom: 1 }, { sse: 1, opcode: 0x0F7F, e: 1, custom: 1 }, { sse: 1, opcode: 0x660F7F, e: 1, custom: 1 }, { sse: 1, opcode: 0xF30F7F, e: 1, custom: 1 }, { sse: 1, opcode: 0x0FC2, e: 1, imm8: 1, custom: 1 }, { sse: 1, opcode: 0x660FC2, e: 1, imm8: 1, custom: 1 }, { sse: 1, opcode: 0xF20FC2, e: 1, imm8: 1, custom: 1 }, { sse: 1, opcode: 0xF30FC2, e: 1, imm8: 1, custom: 1 }, { opcode: 0x0FC3, e: 1, custom: 1, reg_ud: 1 }, // movnti: Uses normal registers, hence not marked as sse { sse: 1, opcode: 0x0FC4, e: 1, imm8: 1, custom: 1 }, { sse: 1, opcode: 0x660FC4, e: 1, imm8: 1, custom: 1 }, { sse: 1, opcode: 0x0FC5, e: 1, mem_ud: 1, imm8: 1, custom: 1 }, { sse: 1, opcode: 0x660FC5, e: 1, mem_ud: 1, imm8: 1, custom: 1 }, { sse: 1, opcode: 0x0FC6, e: 1, imm8: 1, custom: 1 }, { sse: 1, opcode: 0x660FC6, e: 1, imm8: 1, custom: 1 }, { sse: 1, opcode: 0x0FD0, skip: 1, block_boundary: 1 }, // sse3 { sse: 1, opcode: 0x0FD1, e: 1, custom: 1 }, { sse: 1, opcode: 0x660FD1, e: 1, custom: 1 }, { sse: 1, opcode: 0x0FD2, e: 1, custom: 1 }, { sse: 1, opcode: 0x660FD2, e: 1, custom: 1 }, { sse: 1, opcode: 0x0FD3, e: 1, custom: 1 }, { sse: 1, opcode: 0x660FD3, e: 1, custom: 1 }, { sse: 1, opcode: 0x0FD4, e: 1, custom: 1 }, { sse: 1, opcode: 0x660FD4, e: 1, custom: 1 }, { sse: 1, opcode: 0x0FD5, e: 1, custom: 1 }, { sse: 1, opcode: 0x660FD5, e: 1, custom: 1 }, { sse: 1, opcode: 0x660FD6, e: 1, custom: 1 }, { sse: 1, opcode: 0xF20FD6, mem_ud: 1, e: 1 }, { sse: 1, opcode: 0xF30FD6, mem_ud: 1, e: 1 }, { sse: 1, opcode: 0x0FD6, e: 1, block_boundary: 1 }, // ud { sse: 1, opcode: 0x0FD7, e: 1, mem_ud: 1, custom: 1 }, { sse: 1, opcode: 0x660FD7, e: 1, mem_ud: 1, custom: 1 }, { sse: 1, opcode: 0x0FD8, e: 1, custom: 1 }, { sse: 1, opcode: 0x660FD8, e: 1, custom: 1 }, { sse: 1, opcode: 0x0FD9, e: 1, custom: 1 }, { sse: 1, opcode: 0x660FD9, e: 1, custom: 1 }, { sse: 1, opcode: 0x0FDA, e: 1, custom: 1 }, { sse: 1, opcode: 0x660FDA, e: 1, custom: 1 }, { sse: 1, opcode: 0x0FDB, e: 1, custom: 1 }, { sse: 1, opcode: 0x660FDB, e: 1, custom: 1 }, { sse: 1, opcode: 0x0FDC, e: 1, custom: 1 }, { sse: 1, opcode: 0x660FDC, e: 1, custom: 1 }, { sse: 1, opcode: 0x0FDD, e: 1, custom: 1 }, { sse: 1, opcode: 0x660FDD, e: 1, custom: 1 }, { sse: 1, opcode: 0x0FDE, e: 1, custom: 1 }, { sse: 1, opcode: 0x660FDE, e: 1, custom: 1 }, { sse: 1, opcode: 0x0FDF, e: 1, custom: 1 }, { sse: 1, opcode: 0x660FDF, e: 1, custom: 1 }, { sse: 1, opcode: 0x0FE0, e: 1, custom: 1 }, { sse: 1, opcode: 0x660FE0, e: 1, custom: 1 }, { sse: 1, opcode: 0x0FE1, e: 1, custom: 1 }, { sse: 1, opcode: 0x660FE1, e: 1, custom: 1 }, { sse: 1, opcode: 0x0FE2, e: 1, custom: 1 }, { sse: 1, opcode: 0x660FE2, e: 1, custom: 1 }, { sse: 1, opcode: 0x0FE3, e: 1, custom: 1 }, { sse: 1, opcode: 0x660FE3, e: 1, custom: 1 }, { sse: 1, opcode: 0x0FE4, e: 1, custom: 1 }, { sse: 1, opcode: 0x660FE4, e: 1, custom: 1 }, { sse: 1, opcode: 0x0FE5, e: 1, custom: 1 }, { sse: 1, opcode: 0x660FE5, e: 1, custom: 1 }, { sse: 1, opcode: 0x660FE6, e: 1, custom: 1 }, { sse: 1, opcode: 0xF20FE6, e: 1, custom: 1 }, { sse: 1, opcode: 0xF30FE6, e: 1, custom: 1 }, { sse: 1, opcode: 0x0FE6, e: 1, block_boundary: 1 }, // ud { sse: 1, opcode: 0x0FE7, e: 1, reg_ud: 1 }, { sse: 1, opcode: 0x660FE7, e: 1, reg_ud: 1, custom: 1 }, { sse: 1, opcode: 0x0FE8, e: 1, custom: 1 }, { sse: 1, opcode: 0x660FE8, e: 1, custom: 1 }, { sse: 1, opcode: 0x0FE9, e: 1, custom: 1 }, { sse: 1, opcode: 0x660FE9, e: 1, custom: 1 }, { sse: 1, opcode: 0x0FEA, e: 1, custom: 1 }, { sse: 1, opcode: 0x660FEA, e: 1, custom: 1 }, { sse: 1, opcode: 0x0FEB, e: 1, custom: 1 }, { sse: 1, opcode: 0x660FEB, e: 1, custom: 1 }, { sse: 1, opcode: 0x0FEC, e: 1, custom: 1 }, { sse: 1, opcode: 0x660FEC, e: 1, custom: 1 }, { sse: 1, opcode: 0x0FED, e: 1, custom: 1 }, { sse: 1, opcode: 0x660FED, e: 1, custom: 1 }, { sse: 1, opcode: 0x0FEE, e: 1, custom: 1 }, { sse: 1, opcode: 0x660FEE, e: 1, custom: 1 }, { sse: 1, opcode: 0x0FEF, e: 1, custom: 1 }, { sse: 1, opcode: 0x660FEF, e: 1, custom: 1 }, { sse: 1, opcode: 0x0FF0, skip: 1, block_boundary: 1 }, // sse3 { sse: 1, opcode: 0x0FF1, e: 1, custom: 1 }, { sse: 1, opcode: 0x660FF1, e: 1, custom: 1 }, { sse: 1, opcode: 0x0FF2, e: 1, custom: 1 }, { sse: 1, opcode: 0x660FF2, e: 1, custom: 1 }, { sse: 1, opcode: 0x0FF3, e: 1, custom: 1 }, { sse: 1, opcode: 0x660FF3, e: 1, custom: 1 }, { sse: 1, opcode: 0x0FF4, e: 1, custom: 1 }, { sse: 1, opcode: 0x660FF4, e: 1, custom: 1 }, { sse: 1, opcode: 0x0FF5, e: 1, custom: 1 }, { sse: 1, opcode: 0x660FF5, e: 1, custom: 1 }, { sse: 1, opcode: 0x0FF6, e: 1, custom: 1 }, { sse: 1, opcode: 0x660FF6, e: 1, custom: 1 }, // maskmovq (0FF7), maskmovdqu (660FF7) tested manually // Generated tests don't setup EDI as required (yet) { sse: 1, opcode: 0x0FF7, mem_ud: 1, e: 1, custom: 1, skip: 1 }, { sse: 1, opcode: 0x660FF7, mem_ud: 1, e: 1, custom: 1, skip: 1 }, { sse: 1, opcode: 0x0FF8, e: 1, custom: 1 }, { sse: 1, opcode: 0x660FF8, e: 1, custom: 1 }, { sse: 1, opcode: 0x0FF9, e: 1, custom: 1 }, { sse: 1, opcode: 0x660FF9, e: 1, custom: 1 }, { sse: 1, opcode: 0x0FFA, e: 1, custom: 1 }, { sse: 1, opcode: 0x660FFA, e: 1, custom: 1 }, { sse: 1, opcode: 0x0FFB, e: 1, custom: 1 }, { sse: 1, opcode: 0x660FFB, e: 1, custom: 1 }, { sse: 1, opcode: 0x0FFC, e: 1, custom: 1 }, { sse: 1, opcode: 0x660FFC, e: 1, custom: 1 }, { sse: 1, opcode: 0x0FFD, e: 1, custom: 1 }, { sse: 1, opcode: 0x660FFD, e: 1, custom: 1 }, { sse: 1, opcode: 0x0FFE, e: 1, custom: 1 }, { sse: 1, opcode: 0x660FFE, e: 1, custom: 1 }, { opcode: 0x0FFF, block_boundary: 1 }, // ud ]; for(let i = 0; i < 8; i++) { encodings.push.apply(encodings, [ { opcode: 0x00 | i << 3, custom: 1, e: 1 }, { opcode: 0x01 | i << 3, custom: 1, os: 1, e: 1 }, { opcode: 0x02 | i << 3, custom: 1, e: 1 }, { opcode: 0x03 | i << 3, custom: 1, os: 1, e: 1 }, { opcode: 0x04 | i << 3, custom: 1, imm8: 1 }, { opcode: 0x05 | i << 3, custom: 1, os: 1, imm1632: 1 }, { opcode: 0x40 | i, os: 1, custom: 1 }, { opcode: 0x48 | i, os: 1, custom: 1 }, { opcode: 0x50 | i, custom: 1, os: 1 }, { opcode: 0x58 | i, custom: 1, os: 1 }, { opcode: 0x70 | i, block_boundary: 1, no_block_boundary_in_interpreted: 1, jump_offset_imm: 1, conditional_jump: 1, os: 1, imm8s: 1, custom: 1, skip: 1 }, { opcode: 0x78 | i, block_boundary: 1, no_block_boundary_in_interpreted: 1, jump_offset_imm: 1, conditional_jump: 1, os: 1, imm8s: 1, custom: 1, skip: 1 }, { opcode: 0x80, e: 1, fixed_g: i, imm8: 1, custom: 1 }, { opcode: 0x81, os: 1, e: 1, fixed_g: i, imm1632: 1, custom: 1 }, { opcode: 0x82, e: 1, fixed_g: i, imm8: 1, custom: 1 }, { opcode: 0x83, os: 1, e: 1, fixed_g: i, imm8s: 1, custom: 1 }, { opcode: 0xB0 | i, custom: 1, imm8: 1 }, { opcode: 0xB8 | i, custom: 1, os: 1, imm1632: 1 }, // note: overflow flag only undefined if shift is > 1 // note: the adjust flag is undefined for shifts > 0 and unaffected by rotates { opcode: 0xC0, e: 1, fixed_g: i, imm8: 1, mask_flags: of | af, custom: 1 }, { opcode: 0xC1, os: 1, e: 1, fixed_g: i, imm8: 1, mask_flags: of | af, custom: 1 }, { opcode: 0xD0, e: 1, fixed_g: i, mask_flags: af, custom: 1 }, { opcode: 0xD1, os: 1, e: 1, fixed_g: i, mask_flags: af, custom: 1 }, { opcode: 0xD2, e: 1, fixed_g: i, mask_flags: of | af, custom: 1 }, { opcode: 0xD3, os: 1, e: 1, fixed_g: i, mask_flags: of | af, custom: 1 }, { opcode: 0x0F40 | i, e: 1, os: 1, custom: 1 }, { opcode: 0x0F48 | i, e: 1, os: 1, custom: 1 }, { opcode: 0x0F80 | i, block_boundary: 1, no_block_boundary_in_interpreted: 1, jump_offset_imm: 1, conditional_jump: 1, imm1632: 1, os: 1, custom: 1, skip: 1 }, { opcode: 0x0F88 | i, block_boundary: 1, no_block_boundary_in_interpreted: 1, jump_offset_imm: 1, conditional_jump: 1, imm1632: 1, os: 1, custom: 1, skip: 1 }, { opcode: 0x0F90 | i, e: 1, custom: 1 }, { opcode: 0x0F98 | i, e: 1, custom: 1 }, ]); } encodings.sort((e1, e2) => { let o1 = (e1.opcode & 0xFF00) === 0x0F00 ? e1.opcode & 0xFFFF : e1.opcode & 0xFF; let o2 = (e2.opcode & 0xFF00) === 0x0F00 ? e2.opcode & 0xFFFF : e2.opcode & 0xFF; return o1 - o2 || e1.fixed_g - e2.fixed_g; }); module.exports = Object.freeze(encodings.map(entry => Object.freeze(entry)));