Add nasm test generation script
This commit is contained in:
Fabian
parent
403ff43c25
commit
5b8296b0fd
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@ -19,4 +19,4 @@ all: $(host_executables) $(v86_executables) $(host_fixtures)
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nasm -felf32 -o $@.o $<; ld -g $@.o -m elf_i386 --section-start=.text=0x8000 -o $@
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clean:
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rm -f *.o *.bin *.img *.fixture
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rm -f *.o *.bin *.img *.fixture gen_*.asm
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914
tests/nasm/create_tests.js
Executable file
914
tests/nasm/create_tests.js
Executable file
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@ -0,0 +1,914 @@
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#!/usr/bin/env node
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"use strict";
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// http://ref.x86asm.net/coder32.html
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// TODO
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// - lea (and all modrm/sib addressing modes)
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// - fix style (single quote, brace position)
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// - memory tests
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// - multiple random tests
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// - 16 bit
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// - describe which registers are written and read
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const fs = require("fs");
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const zf = 1 << 6;
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const of = 1 << 11;
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const cf = 1 << 0;
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const af = 1 << 4;
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// os: the instruction behaves differently depending on the operand size
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const encodings = [
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{ opcode: 0x06, os: 1, skip: 1, },
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{ opcode: 0x07, os: 1, skip: 1, },
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{ opcode: 0x0E, os: 1, skip: 1, },
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{ opcode: 0x0F, os: 1, prefix: 1, },
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{ opcode: 0x16, os: 1, skip: 1, },
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{ opcode: 0x17, os: 1, skip: 1, },
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{ opcode: 0x1E, os: 1, skip: 1, },
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{ opcode: 0x1F, os: 1, skip: 1, },
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{ opcode: 0x26, prefix: 1, },
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{ opcode: 0x27, mask_flags: of, },
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{ opcode: 0x2E, prefix: 1, },
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{ opcode: 0x2F, mask_flags: of, },
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{ opcode: 0x36, prefix: 1, },
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{ opcode: 0x37, skip: 1, },
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{ opcode: 0x3E, prefix: 1, },
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{ opcode: 0x3F, skip: 1, },
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{ opcode: 0x40, os: 1, },
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{ opcode: 0x41, os: 1, },
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{ opcode: 0x42, os: 1, },
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{ opcode: 0x43, os: 1, },
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{ opcode: 0x44, os: 1, skip: 1, }, // inc esp
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{ opcode: 0x45, os: 1, },
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{ opcode: 0x46, os: 1, },
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{ opcode: 0x47, os: 1, },
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{ opcode: 0x48, os: 1, },
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{ opcode: 0x49, os: 1, },
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{ opcode: 0x4A, os: 1, },
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{ opcode: 0x4B, os: 1, },
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{ opcode: 0x4C, os: 1, skip: 1, }, // dec esp
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{ opcode: 0x4D, os: 1, },
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{ opcode: 0x4E, os: 1, },
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{ opcode: 0x4F, os: 1, },
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{ opcode: 0x50, os: 1, },
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{ opcode: 0x51, os: 1, },
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{ opcode: 0x52, os: 1, },
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{ opcode: 0x53, os: 1, },
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{ opcode: 0x54, os: 1, skip: 1, }, // push esp
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{ opcode: 0x55, os: 1, },
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{ opcode: 0x56, os: 1, },
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{ opcode: 0x57, os: 1, },
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{ opcode: 0x58, os: 1, },
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{ opcode: 0x59, os: 1, },
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{ opcode: 0x5A, os: 1, },
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{ opcode: 0x5B, os: 1, },
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{ opcode: 0x5C, os: 1, skip: 1, }, // pop esp
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{ opcode: 0x5D, os: 1, },
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{ opcode: 0x5E, os: 1, },
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{ opcode: 0x5F, os: 1, },
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{ opcode: 0x60, os: 1, skip: 1, },
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{ opcode: 0x61, os: 1, },
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{ opcode: 0x62, e: 1, g: 1, skip: 1, },
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{ opcode: 0x63, e: 1, g: 1, },
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{ opcode: 0x64, prefix: 1, },
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{ opcode: 0x65, prefix: 1, },
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{ opcode: 0x66, prefix: 1, },
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{ opcode: 0x67, prefix: 1, },
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{ opcode: 0x68, os: 1, imm1632: 1, },
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{ opcode: 0x69, os: 1, e: 1, g: 1, imm: 1, mask_flags: 0, }, // zf?
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{ opcode: 0x6A, os: 1, imm8: 1, },
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{ opcode: 0x6B, os: 1, e: 1, g: 1, imm8: 1, mask_flags: 0, }, // zf?
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{ opcode: 0x6C, skip: 1, },
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{ opcode: 0x6D, os: 1, skip: 1, },
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{ opcode: 0x6E, skip: 1, },
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{ opcode: 0x6F, os: 1, skip: 1, },
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{ opcode: 0x84, e: 1, g: 1, },
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{ opcode: 0x85, os: 1, e: 1, g: 1, },
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{ opcode: 0x86, e: 1, g: 1, },
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{ opcode: 0x87, os: 1, e: 1, g: 1, },
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{ opcode: 0x88, e: 1, g: 1, },
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{ opcode: 0x89, os: 1, e: 1, g: 1, },
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{ opcode: 0x8A, e: 1, g: 1, },
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{ opcode: 0x8B, os: 1, e: 1, g: 1, },
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{ opcode: 0x8C, os: 1, e: 1, g: 1, skip: 1, },
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{ opcode: 0x8D, os: 1, e: 1, g: 1, skip: 1, }, // lea
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{ opcode: 0x8E, e: 1, g: 1, skip: 1, },
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{ opcode: 0x8F, os: 1, e: 1, g: 1, },
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{ opcode: 0x90, },
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{ opcode: 0x91, os: 1, },
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{ opcode: 0x92, os: 1, },
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{ opcode: 0x93, os: 1, },
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{ opcode: 0x94, os: 1, skip: 1, }, // xchg eax, esp
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{ opcode: 0x95, os: 1, },
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{ opcode: 0x96, os: 1, },
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{ opcode: 0x97, os: 1, },
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{ opcode: 0x98, os: 1, },
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{ opcode: 0x99, os: 1, },
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{ opcode: 0x9A, os: 1, imm3248: 1, skip: 1, },
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{ opcode: 0x9B, skip: 1, },
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{ opcode: 0x9C, os: 1, skip: 1, },
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{ opcode: 0x9D, os: 1, skip: 1, },
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{ opcode: 0x9E, },
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{ opcode: 0x9F, },
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{ opcode: 0xA0, immaddr: 1, skip: 1, },
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{ opcode: 0xA1, os: 1, immaddr: 1, skip: 1, },
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{ opcode: 0xA2, immaddr: 1, skip: 1, },
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{ opcode: 0xA3, os: 1, immaddr: 1, skip: 1, },
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{ opcode: 0xA4, skip: 1, },
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{ opcode: 0xA5, os: 1, skip: 1, },
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{ opcode: 0xA6, skip: 1, },
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{ opcode: 0xA7, os: 1, skip: 1, },
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{ opcode: 0xA8, imm: 1, },
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{ opcode: 0xA9, os: 1, imm: 1, },
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{ opcode: 0xAA, skip: 1, },
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{ opcode: 0xAB, os: 1, skip: 1, },
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{ opcode: 0xAC, skip: 1, },
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{ opcode: 0xAD, os: 1, skip: 1, },
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{ opcode: 0xAE, skip: 1, },
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{ opcode: 0xAF, os: 1, skip: 1, },
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{ opcode: 0xC2, os: 1, imm16: 1, skip: 1, },
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{ opcode: 0xC3, os: 1, skip: 1, },
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{ opcode: 0xC4, os: 1, e: 1, g: 1, skip: 1, },
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{ opcode: 0xC5, os: 1, e: 1, g: 1, skip: 1, },
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{ opcode: 0xC6, e: 1, g: 1, imm: 1, },
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{ opcode: 0xC7, os: 1, e: 1, g: 1, imm: 1, },
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{ opcode: 0xC8, os: 1, imm24: 1, skip: 1, }, // enter
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{ opcode: 0xC9, os: 1, skip: 1, },
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{ opcode: 0xCA, os: 1, imm16: 1, skip: 1, },
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{ opcode: 0xCB, os: 1, skip: 1, },
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{ opcode: 0xCC, skip: 1, },
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{ opcode: 0xCD, skip: 1, },
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{ opcode: 0xCE, skip: 1, },
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{ opcode: 0xCF, os: 1, skip: 1, },
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{ opcode: 0xD4, imm8: 1, },
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{ opcode: 0xD5, imm8: 1, mask_flags: of | cf | af, },
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{ opcode: 0xD6, },
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{ opcode: 0xD7, skip: 1, },
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{ opcode: 0xD8, e: 1, skip: 1, },
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{ opcode: 0xD9, e: 1, skip: 1, },
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{ opcode: 0xDA, e: 1, skip: 1, },
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{ opcode: 0xDB, e: 1, skip: 1, },
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{ opcode: 0xDC, e: 1, skip: 1, },
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{ opcode: 0xDD, e: 1, skip: 1, },
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{ opcode: 0xDE, e: 1, skip: 1, },
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{ opcode: 0xDF, e: 1, skip: 1, },
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{ opcode: 0xE0, imm8: 1, skip: 1, },
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{ opcode: 0xE1, imm8: 1, skip: 1, },
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{ opcode: 0xE2, imm8: 1, skip: 1, },
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{ opcode: 0xE3, imm8: 1, skip: 1, },
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{ opcode: 0xE4, imm8: 1, skip: 1, },
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{ opcode: 0xE5, os: 1, imm8: 1, skip: 1, },
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{ opcode: 0xE6, imm8: 1, skip: 1, },
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{ opcode: 0xE7, os: 1, imm8: 1, skip: 1, },
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{ opcode: 0xE8, os: 1, imm: 1, skip: 1, },
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{ opcode: 0xE9, os: 1, imm: 1, skip: 1, },
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{ opcode: 0xEA, os: 1, imm: 1, skip: 1, },
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{ opcode: 0xEB, imm: 1, skip: 1, },
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{ opcode: 0xEC, skip: 1, },
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{ opcode: 0xED, os: 1, skip: 1, },
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{ opcode: 0xEE, skip: 1, },
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{ opcode: 0xEF, os: 1, skip: 1, },
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{ opcode: 0xF0, prefix: 1, },
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{ opcode: 0xF1, skip: 1, },
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{ opcode: 0xF2, prefix: 1, },
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{ opcode: 0xF3, prefix: 1, },
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{ opcode: 0xF4, skip: 1, },
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{ opcode: 0xF5, },
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{ opcode: 0xF6, fixed_g: 0, imm: 1, },
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{ opcode: 0xF6, fixed_g: 1, imm: 1, },
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{ opcode: 0xF6, fixed_g: 2, },
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{ opcode: 0xF6, fixed_g: 3, },
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{ opcode: 0xF6, fixed_g: 4, mask_flags: zf, },
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{ opcode: 0xF6, fixed_g: 5, mask_flags: zf, },
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//{ opcode: 0xF6, fixed_g: 6, }, // zero divide
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//{ opcode: 0xF6, fixed_g: 7, },
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{ opcode: 0xF7, os: 1, fixed_g: 0, imm: 1, },
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{ opcode: 0xF7, os: 1, fixed_g: 1, imm: 1, },
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{ opcode: 0xF7, os: 1, fixed_g: 2, },
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{ opcode: 0xF7, os: 1, fixed_g: 3, },
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{ opcode: 0xF7, os: 1, fixed_g: 4, mask_flags: zf, },
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{ opcode: 0xF7, os: 1, fixed_g: 5, mask_flags: zf, },
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//{ opcode: 0xF7, os: 1, fixed_g: 6, }, // zero divide
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//{ opcode: 0xF7, os: 1, fixed_g: 7, },
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{ opcode: 0xF8, },
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{ opcode: 0xF9, },
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{ opcode: 0xFA, skip: 1, },
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{ opcode: 0xFB, skip: 1, },
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{ opcode: 0xFC, },
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{ opcode: 0xFD, },
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{ opcode: 0xFE, e: 1, fixed_g: 0, },
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{ opcode: 0xFE, e: 1, fixed_g: 1, },
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{ opcode: 0xFF, os: 1, e: 1, fixed_g: 0, },
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{ opcode: 0xFF, os: 1, e: 1, fixed_g: 1, },
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{ opcode: 0xFF, os: 1, e: 1, fixed_g: 2, skip: 1, },
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{ opcode: 0xFF, os: 1, e: 1, fixed_g: 3, skip: 1, },
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{ opcode: 0xFF, os: 1, e: 1, fixed_g: 4, skip: 1, },
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{ opcode: 0xFF, os: 1, e: 1, fixed_g: 5, skip: 1, },
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{ opcode: 0xFF, os: 1, e: 1, fixed_g: 6, },
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{ opcode: 0x0F00, e: 1, g: 1, skip: 1 },
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{ opcode: 0x0F01, e: 1, g: 1, skip: 1 },
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{ opcode: 0x0F02, os: 1, e: 1, g: 1, skip: 1 },
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{ opcode: 0x0F03, os: 1, e: 1, g: 1, skip: 1 },
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{ opcode: 0x0F04, skip: 1 },
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{ opcode: 0x0F05, skip: 1 },
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{ opcode: 0x0F06, skip: 1 },
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{ opcode: 0x0F07, skip: 1 },
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{ opcode: 0x0F08, skip: 1 },
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{ opcode: 0x0F09, skip: 1 },
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{ opcode: 0x0F09, skip: 1 },
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{ opcode: 0x0F0A, skip: 1 },
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{ opcode: 0x0F0B, skip: 1 },
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{ opcode: 0x0F0C, skip: 1 },
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{ opcode: 0x0F0D, skip: 1 },
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{ opcode: 0x0F0E, skip: 1 },
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{ opcode: 0x0F0F, skip: 1 },
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{ opcode: 0x0F20, e: 1, g: 1, skip: 1 },
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{ opcode: 0x0F21, e: 1, g: 1, skip: 1 },
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{ opcode: 0x0F22, e: 1, g: 1, skip: 1 },
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{ opcode: 0x0F23, e: 1, g: 1, skip: 1 },
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{ opcode: 0x0F30, skip: 1 },
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{ opcode: 0x0F31, skip: 1 },
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{ opcode: 0x0F32, skip: 1 },
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{ opcode: 0x0F33, skip: 1 },
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{ opcode: 0x0F34, skip: 1 },
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{ opcode: 0x0F35, skip: 1 },
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{ opcode: 0x0F40, e: 1, g: 1, os: 1, },
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{ opcode: 0x0F41, e: 1, g: 1, os: 1, },
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{ opcode: 0x0F42, e: 1, g: 1, os: 1, },
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{ opcode: 0x0F43, e: 1, g: 1, os: 1, },
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{ opcode: 0x0F44, e: 1, g: 1, os: 1, },
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{ opcode: 0x0F45, e: 1, g: 1, os: 1, },
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{ opcode: 0x0F46, e: 1, g: 1, os: 1, },
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{ opcode: 0x0F47, e: 1, g: 1, os: 1, },
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{ opcode: 0x0F48, e: 1, g: 1, os: 1, },
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{ opcode: 0x0F49, e: 1, g: 1, os: 1, },
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{ opcode: 0x0F4A, e: 1, g: 1, os: 1, },
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{ opcode: 0x0F4B, e: 1, g: 1, os: 1, },
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{ opcode: 0x0F4C, e: 1, g: 1, os: 1, },
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{ opcode: 0x0F4D, e: 1, g: 1, os: 1, },
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{ opcode: 0x0F4E, e: 1, g: 1, os: 1, },
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{ opcode: 0x0F4F, e: 1, g: 1, os: 1, },
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{ opcode: 0x0F80, os: 1, skip: 1, },
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{ opcode: 0x0F81, os: 1, skip: 1, },
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{ opcode: 0x0F82, os: 1, skip: 1, },
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{ opcode: 0x0F83, os: 1, skip: 1, },
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{ opcode: 0x0F84, os: 1, skip: 1, },
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{ opcode: 0x0F85, os: 1, skip: 1, },
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{ opcode: 0x0F86, os: 1, skip: 1, },
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{ opcode: 0x0F87, os: 1, skip: 1, },
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{ opcode: 0x0F88, os: 1, skip: 1, },
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{ opcode: 0x0F89, os: 1, skip: 1, },
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{ opcode: 0x0F8A, os: 1, skip: 1, },
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{ opcode: 0x0F8B, os: 1, skip: 1, },
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{ opcode: 0x0F8C, os: 1, skip: 1, },
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{ opcode: 0x0F8D, os: 1, skip: 1, },
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{ opcode: 0x0F8E, os: 1, skip: 1, },
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{ opcode: 0x0F8F, os: 1, skip: 1, },
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{ opcode: 0x0F90, e: 1, g: 1, },
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{ opcode: 0x0F91, e: 1, g: 1, },
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{ opcode: 0x0F92, e: 1, g: 1, },
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{ opcode: 0x0F93, e: 1, g: 1, },
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{ opcode: 0x0F94, e: 1, g: 1, },
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{ opcode: 0x0F95, e: 1, g: 1, },
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{ opcode: 0x0F96, e: 1, g: 1, },
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{ opcode: 0x0F97, e: 1, g: 1, },
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{ opcode: 0x0F98, e: 1, g: 1, },
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{ opcode: 0x0F99, e: 1, g: 1, },
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{ opcode: 0x0F9A, e: 1, g: 1, },
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{ opcode: 0x0F9B, e: 1, g: 1, },
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{ opcode: 0x0F9C, e: 1, g: 1, },
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{ opcode: 0x0F9D, e: 1, g: 1, },
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{ opcode: 0x0F9E, e: 1, g: 1, },
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{ opcode: 0x0F9F, e: 1, g: 1, },
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{ opcode: 0x0FA0, os: 1, skip: 1, },
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{ opcode: 0x0FA1, os: 1, skip: 1, },
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{ opcode: 0x0FA2, skip: 1, },
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{ opcode: 0x0FA8, os: 1, skip: 1, },
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{ opcode: 0x0FA9, os: 1, skip: 1, },
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{ opcode: 0x0FA3, os: 1, e: 1, g: 1, only_reg: 1, }, // bt (can also index memory, but not supported by test right now)
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{ opcode: 0x0FAB, os: 1, e: 1, g: 1, only_reg: 1, },
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{ opcode: 0x0FB3, os: 1, e: 1, g: 1, only_reg: 1, },
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{ opcode: 0x0FBB, os: 1, e: 1, g: 1, only_reg: 1, },
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|
||||
{ opcode: 0x0FBA, os: 1, e: 1, fixed_g: 4, imm8: 1, only_reg: 1, }, // bt
|
||||
{ opcode: 0x0FBA, os: 1, e: 1, fixed_g: 5, imm8: 1, only_reg: 1, },
|
||||
{ opcode: 0x0FBA, os: 1, e: 1, fixed_g: 6, imm8: 1, only_reg: 1, },
|
||||
{ opcode: 0x0FBA, os: 1, e: 1, fixed_g: 7, imm8: 1, only_reg: 1, },
|
||||
|
||||
{ opcode: 0x0FBC, os: 1, is_32: 1, e: 1, g: 1, }, // bsf
|
||||
{ opcode: 0x0FBD, os: 1, is_32: 1, e: 1, g: 1, },
|
||||
|
||||
// note: overflow flag only undefined if shift is > 1
|
||||
{ opcode: 0x0FA4, os: 1, is_32: 1, e: 1, g: 1, imm8: 1, mask_flags: of, }, // shld
|
||||
{ opcode: 0x0FA5, os: 1, is_32: 1, e: 1, g: 1, mask_flags: of, },
|
||||
{ opcode: 0x0FAC, os: 1, is_32: 1, e: 1, g: 1, imm8: 1, mask_flags: of, },
|
||||
{ opcode: 0x0FAD, os: 1, is_32: 1, e: 1, g: 1, mask_flags: of, },
|
||||
|
||||
{ opcode: 0x0FAE, e: 1, g: 1, skip: 1, },
|
||||
|
||||
{ opcode: 0x0FAF, os: 1, e: 1, g: 1, mask_flags: zf }, // imul
|
||||
|
||||
{ opcode: 0x0FB0, e: 1, g: 1 }, // cmxchg
|
||||
{ opcode: 0x0FB1, os: 1, e: 1, g: 1 },
|
||||
{ opcode: 0x0FC7, e: 1, fixed_g: 1, only_mem: 1, }, // cmpxchg8b (memory)
|
||||
|
||||
{ opcode: 0x0FB2, os: 1, e: 1, g: 1, skip: 1, }, // lss, lfs, lgs
|
||||
{ opcode: 0x0FB4, os: 1, e: 1, g: 1, skip: 1, },
|
||||
{ opcode: 0x0FB5, os: 1, e: 1, g: 1, skip: 1, },
|
||||
|
||||
{ opcode: 0x0FB6, os: 1, e: 1, g: 1, }, // movzx
|
||||
{ opcode: 0x0FB7, os: 1, e: 1, g: 1, },
|
||||
|
||||
{ opcode: 0xF30FB8, os: 1, is_32: 1, e: 1, g: 1 }, // popcnt
|
||||
|
||||
{ opcode: 0x0FBE, os: 1, e: 1, g: 1, }, // movzx
|
||||
{ opcode: 0x0FBF, os: 1, e: 1, g: 1, },
|
||||
|
||||
{ opcode: 0x0FC0, e: 1, g: 1, }, // xadd
|
||||
{ opcode: 0x0FC1, os: 1, e: 1, g: 1, },
|
||||
|
||||
{ opcode: 0x0FC8, }, // bswap
|
||||
{ opcode: 0x0FC9, },
|
||||
{ opcode: 0x0FCA, },
|
||||
{ opcode: 0x0FCB, },
|
||||
{ opcode: 0x0FCC, skip: 1, }, // bswap esp
|
||||
{ opcode: 0x0FCD, },
|
||||
{ opcode: 0x0FCE, },
|
||||
{ opcode: 0x0FCF, },
|
||||
|
||||
|
||||
// mmx, sse
|
||||
// - Commented out are not implemented
|
||||
// - Missing are sse3+, and floating point
|
||||
|
||||
{ opcode: 0x660F12, e: 1, g: 1 },
|
||||
{ opcode: 0x660F13, e: 1, g: 1 },
|
||||
{ opcode: 0x660F14, e: 1, g: 1 },
|
||||
|
||||
{ opcode: 0x0F28, e: 1, g: 1 },
|
||||
{ opcode: 0x660F28, e: 1, g: 1 },
|
||||
{ opcode: 0x0F29, e: 1, g: 1 },
|
||||
{ opcode: 0x660F29, e: 1, g: 1 },
|
||||
{ opcode: 0x0F2B, e: 1, g: 1 },
|
||||
{ opcode: 0x660F2B, e: 1, g: 1 },
|
||||
|
||||
{ opcode: 0xF20F2C, e: 1, g: 1 },
|
||||
|
||||
{ opcode: 0x0F54, e: 1, g: 1 },
|
||||
{ opcode: 0x660F54, e: 1, g: 1 },
|
||||
{ opcode: 0x0F57, e: 1, g: 1 },
|
||||
{ opcode: 0x660F57, e: 1, g: 1 },
|
||||
|
||||
{ opcode: 0x660F60, e: 1, g: 1 },
|
||||
{ opcode: 0x0F60, e: 1, g: 1 },
|
||||
{ opcode: 0x660F61, e: 1, g: 1 },
|
||||
{ opcode: 0x0F61, e: 1, g: 1 },
|
||||
//{ opcode: 0x660F62, e: 1, g: 1 },
|
||||
{ opcode: 0x0F62, e: 1, g: 1 },
|
||||
//{ opcode: 0x660F63, e: 1, g: 1 },
|
||||
{ opcode: 0x0F63, e: 1, g: 1 },
|
||||
//{ opcode: 0x660F64, e: 1, g: 1 },
|
||||
{ opcode: 0x0F64, e: 1, g: 1 },
|
||||
//{ opcode: 0x660F65, e: 1, g: 1 },
|
||||
{ opcode: 0x0F65, e: 1, g: 1 },
|
||||
//{ opcode: 0x660F66, e: 1, g: 1 },
|
||||
{ opcode: 0x0F66, e: 1, g: 1 },
|
||||
{ opcode: 0x660F67, e: 1, g: 1 },
|
||||
{ opcode: 0x0F67, e: 1, g: 1 },
|
||||
{ opcode: 0x660F68, e: 1, g: 1 },
|
||||
{ opcode: 0x0F68, e: 1, g: 1 },
|
||||
//{ opcode: 0x660F69, e: 1, g: 1 },
|
||||
{ opcode: 0x0F69, e: 1, g: 1 },
|
||||
//{ opcode: 0x660F6A, e: 1, g: 1 },
|
||||
{ opcode: 0x0F6A, e: 1, g: 1 },
|
||||
//{ opcode: 0x660F6B, e: 1, g: 1 },
|
||||
{ opcode: 0x0F6B, e: 1, g: 1 },
|
||||
//{ opcode: 0x660F6C, e: 1, g: 1 },
|
||||
//{ opcode: 0x660F6D, e: 1, g: 1 },
|
||||
//{ opcode: 0xF30F6E, e: 1, g: 1 },
|
||||
{ opcode: 0x660F6E, e: 1, g: 1 },
|
||||
{ opcode: 0x0F6E, e: 1, g: 1 },
|
||||
{ opcode: 0xF30F6F, e: 1, g: 1 },
|
||||
{ opcode: 0x660F6F, e: 1, g: 1 },
|
||||
{ opcode: 0x0F6F, e: 1, g: 1 },
|
||||
|
||||
{ opcode: 0x660F70, e: 1, g: 1, imm8: 1, },
|
||||
{ opcode: 0xF20F70, e: 1, g: 1, imm8: 1, },
|
||||
{ opcode: 0xF30F70, e: 1, g: 1, imm8: 1, },
|
||||
{ opcode: 0x0F70, e: 1, g: 1, imm8: 1, },
|
||||
|
||||
{ opcode: 0x0F71, e: 1, fixed_g: 2, imm8: 1, only_reg: 1, },
|
||||
//{ opcode: 0x660F71, e: 1, fixed_g: 2, imm8: 1, only_reg: 1, },
|
||||
{ opcode: 0x0F71, e: 1, fixed_g: 4, imm8: 1, only_reg: 1, },
|
||||
//{ opcode: 0x660F71, e: 1, fixed_g: 4, imm8: 1, only_reg: 1, },
|
||||
{ opcode: 0x0F71, e: 1, fixed_g: 6, imm8: 1, only_reg: 1, },
|
||||
//{ opcode: 0x660F71, e: 1, fixed_g: 6, imm8: 1, only_reg: 1, },
|
||||
|
||||
{ opcode: 0x0F72, e: 1, fixed_g: 2, imm8: 1, only_reg: 1, },
|
||||
//{ opcode: 0x660F72, e: 1, fixed_g: 2, imm8: 1, only_reg: 1, },
|
||||
{ opcode: 0x0F72, e: 1, fixed_g: 4, imm8: 1, only_reg: 1, },
|
||||
//{ opcode: 0x660F72, e: 1, fixed_g: 4, imm8: 1, only_reg: 1, },
|
||||
{ opcode: 0x0F72, e: 1, fixed_g: 6, imm8: 1, only_reg: 1, },
|
||||
//{ opcode: 0x660F72, e: 1, fixed_g: 6, imm8: 1, only_reg: 1, },
|
||||
|
||||
{ opcode: 0x0F73, e: 1, fixed_g: 2, imm8: 1, only_reg: 1, },
|
||||
{ opcode: 0x660F73, e: 1, fixed_g: 2, imm8: 1, only_reg: 1, },
|
||||
//{ opcode: 0x660F73, e: 1, fixed_g: 3, imm8: 1, only_reg: 1, },
|
||||
{ opcode: 0x0F73, e: 1, fixed_g: 6, imm8: 1, only_reg: 1, },
|
||||
//{ opcode: 0x660F73, e: 1, fixed_g: 6, imm8: 1, only_reg: 1, },
|
||||
//{ opcode: 0x660F73, e: 1, fixed_g: 7, imm8: 1, only_reg: 1, },
|
||||
|
||||
{ opcode: 0x0F74, e: 1, g: 1, },
|
||||
{ opcode: 0x660F74, e: 1, g: 1, },
|
||||
{ opcode: 0x0F75, e: 1, g: 1, },
|
||||
{ opcode: 0x660F75, e: 1, g: 1, },
|
||||
{ opcode: 0x0F76, e: 1, g: 1, },
|
||||
{ opcode: 0x660F76, e: 1, g: 1, },
|
||||
{ opcode: 0x0F77 },
|
||||
|
||||
{ opcode: 0x0F7E, e: 1, g: 1 },
|
||||
{ opcode: 0x660F7E, e: 1, g: 1 },
|
||||
{ opcode: 0xF30F7E, e: 1, g: 1 },
|
||||
{ opcode: 0x0F7F, e: 1, g: 1 },
|
||||
{ opcode: 0x660F7F, e: 1, g: 1 },
|
||||
{ opcode: 0xF30F7F, e: 1, g: 1 },
|
||||
|
||||
{ opcode: 0x0FC3, e: 1, g: 1, only_mem: 1, },
|
||||
{ opcode: 0x660FC5, e: 1, g: 1, only_reg: 1, imm8: 1, },
|
||||
|
||||
{ opcode: 0x0FD1, e: 1, g: 1 },
|
||||
//{ opcode: 0x660FD1, e: 1, g: 1 },
|
||||
{ opcode: 0x0FD2, e: 1, g: 1 },
|
||||
//{ opcode: 0x660FD2, e: 1, g: 1 },
|
||||
{ opcode: 0x0FD3, e: 1, g: 1 },
|
||||
{ opcode: 0x660FD3, e: 1, g: 1 },
|
||||
{ opcode: 0x0FD3, e: 1, g: 1 },
|
||||
//{ opcode: 0x660FD3, e: 1, g: 1 },
|
||||
//{ opcode: 0x0FD4, e: 1, g: 1 },
|
||||
//{ opcode: 0x660FD4, e: 1, g: 1 },
|
||||
{ opcode: 0x0FD5, e: 1, g: 1 },
|
||||
{ opcode: 0x660FD5, e: 1, g: 1 },
|
||||
|
||||
{ opcode: 0x660FD6, e: 1, g: 1 },
|
||||
//{ opcode: 0xF20FD6, e: 1, g: 1 },
|
||||
//{ opcode: 0xF30FD6, e: 1, g: 1 },
|
||||
|
||||
//{ opcode: 0x0FD7, e: 1, g: 1, only_reg: 1, },
|
||||
{ opcode: 0x660FD7, e: 1, g: 1, only_reg: 1, },
|
||||
{ opcode: 0x0FD8, e: 1, g: 1 },
|
||||
//{ opcode: 0x660FD8, e: 1, g: 1 },
|
||||
{ opcode: 0x0FD9, e: 1, g: 1 },
|
||||
//{ opcode: 0x660FD9, e: 1, g: 1 },
|
||||
//{ opcode: 0x0FDA, e: 1, g: 1 },
|
||||
{ opcode: 0x660FDA, e: 1, g: 1 },
|
||||
{ opcode: 0x0FDB, e: 1, g: 1 },
|
||||
//{ opcode: 0x660FDB, e: 1, g: 1 },
|
||||
{ opcode: 0x0FDC, e: 1, g: 1 },
|
||||
{ opcode: 0x660FDC, e: 1, g: 1 },
|
||||
{ opcode: 0x0FDD, e: 1, g: 1 },
|
||||
{ opcode: 0x660FDD, e: 1, g: 1 },
|
||||
//{ opcode: 0x0FDE, e: 1, g: 1 },
|
||||
{ opcode: 0x660FDE, e: 1, g: 1 },
|
||||
{ opcode: 0x0FDF, e: 1, g: 1 },
|
||||
//{ opcode: 0x660FDF, e: 1, g: 1 },
|
||||
|
||||
//{ opcode: 0x0FE0, e: 1, g: 1 },
|
||||
//{ opcode: 0x660FE0, e: 1, g: 1 },
|
||||
{ opcode: 0x0FE1, e: 1, g: 1 },
|
||||
//{ opcode: 0x660FE1, e: 1, g: 1 },
|
||||
{ opcode: 0x0FE2, e: 1, g: 1 },
|
||||
//{ opcode: 0x660FE2, e: 1, g: 1 },
|
||||
//{ opcode: 0x0FE3, e: 1, g: 1 },
|
||||
//{ opcode: 0x660FE3, e: 1, g: 1 },
|
||||
//{ opcode: 0x0FE4, e: 1, g: 1 },
|
||||
{ opcode: 0x660FE4, e: 1, g: 1 },
|
||||
{ opcode: 0x0FE5, e: 1, g: 1 },
|
||||
//{ opcode: 0x660FE5, e: 1, g: 1 },
|
||||
|
||||
//{ opcode: 0x660FE6, e: 1, g: 1 },
|
||||
//{ opcode: 0xF20FE6, e: 1, g: 1 },
|
||||
//{ opcode: 0xF30FE6, e: 1, g: 1 },
|
||||
//{ opcode: 0x0FE7, e: 1, g: 1, only_mem: 1, },
|
||||
{ opcode: 0x660FE7, e: 1, g: 1, only_mem: 1, },
|
||||
|
||||
{ opcode: 0x0FE8, e: 1, g: 1 },
|
||||
//{ opcode: 0x660FE8, e: 1, g: 1 },
|
||||
{ opcode: 0x0FE9, e: 1, g: 1 },
|
||||
//{ opcode: 0x660FE9, e: 1, g: 1 },
|
||||
//{ opcode: 0x0FEA, e: 1, g: 1 },
|
||||
//{ opcode: 0x660FEA, e: 1, g: 1 },
|
||||
{ opcode: 0x0FEB, e: 1, g: 1 },
|
||||
{ opcode: 0x660FEB, e: 1, g: 1 },
|
||||
{ opcode: 0x0FEC, e: 1, g: 1 },
|
||||
//{ opcode: 0x660FEC, e: 1, g: 1 },
|
||||
{ opcode: 0x0FED, e: 1, g: 1 },
|
||||
//{ opcode: 0x660FED, e: 1, g: 1 },
|
||||
//{ opcode: 0x0FEE, e: 1, g: 1 },
|
||||
//{ opcode: 0x660FEE, e: 1, g: 1 },
|
||||
{ opcode: 0x0FEF, e: 1, g: 1 },
|
||||
{ opcode: 0x660FEF, e: 1, g: 1 },
|
||||
|
||||
{ opcode: 0x0FF1, e: 1, g: 1 },
|
||||
//{ opcode: 0x660FF1, e: 1, g: 1 },
|
||||
{ opcode: 0x0FF2, e: 1, g: 1 },
|
||||
//{ opcode: 0x660FF2, e: 1, g: 1 },
|
||||
{ opcode: 0x0FF3, e: 1, g: 1 },
|
||||
//{ opcode: 0x660FF3, e: 1, g: 1 },
|
||||
//{ opcode: 0x0FF4, e: 1, g: 1 },
|
||||
//{ opcode: 0x660FF4, e: 1, g: 1 },
|
||||
{ opcode: 0x0FF5, e: 1, g: 1 },
|
||||
//{ opcode: 0x660FF5, e: 1, g: 1 },
|
||||
//{ opcode: 0x0FF6, e: 1, g: 1 },
|
||||
//{ opcode: 0x660FF6, e: 1, g: 1 },
|
||||
//{ opcode: 0x0FF7, e: 1, g: 1 },
|
||||
//{ opcode: 0x660FF7, e: 1, g: 1 },
|
||||
{ opcode: 0x0FF8, e: 1, g: 1 },
|
||||
//{ opcode: 0x660FF8, e: 1, g: 1 },
|
||||
{ opcode: 0x0FF9, e: 1, g: 1 },
|
||||
//{ opcode: 0x660FF9, e: 1, g: 1 },
|
||||
{ opcode: 0x0FFA, e: 1, g: 1 },
|
||||
{ opcode: 0x660FFA, e: 1, g: 1 },
|
||||
//{ opcode: 0x0FFB, e: 1, g: 1 },
|
||||
//{ opcode: 0x660FFB, e: 1, g: 1 },
|
||||
{ opcode: 0x0FFC, e: 1, g: 1 },
|
||||
//{ opcode: 0x660FFC, e: 1, g: 1 },
|
||||
{ opcode: 0x0FFD, e: 1, g: 1 },
|
||||
//{ opcode: 0x660FFD, e: 1, g: 1 },
|
||||
{ opcode: 0x0FFE, e: 1, g: 1 },
|
||||
//{ opcode: 0x660FFE, e: 1, g: 1 },
|
||||
];
|
||||
|
||||
for(var i = 0; i < 8; i++)
|
||||
{
|
||||
encodings.push.apply(encodings, [
|
||||
{ opcode: 0x00 | i << 3, e: 1, g: 1, },
|
||||
{ opcode: 0x01 | i << 3, os: 1, e: 1, g: 1, },
|
||||
{ opcode: 0x02 | i << 3, e: 1, g: 1, },
|
||||
{ opcode: 0x03 | i << 3, os: 1, e: 1, g: 1, },
|
||||
{ opcode: 0x04 | i << 3, eax: 1, imm: 1, },
|
||||
{ opcode: 0x05 | i << 3, os: 1, eax: 1, imm: 1, },
|
||||
|
||||
{ opcode: 0x70 | i, imm8: 1, skip: 1, },
|
||||
{ opcode: 0x78 | i, imm8: 1, skip: 1, },
|
||||
|
||||
{ opcode: 0x80, e: 1, fixed_g: i, imm: 1, },
|
||||
{ opcode: 0x81, os: 1, e: 1, fixed_g: i, imm: 1, },
|
||||
{ opcode: 0x82, e: 1, fixed_g: i, imm: 1, },
|
||||
{ opcode: 0x83, os: 1, e: 1, fixed_g: i, imm8: 1, },
|
||||
|
||||
{ opcode: 0xB0 | i, imm8: 1, skip: 1, },
|
||||
{ opcode: 0xB8 | i, os: 1, imm1632: 1, skip: 1, },
|
||||
|
||||
// note: overflow flag only undefined if shift is > 1
|
||||
{ opcode: 0xC0, e: 1, fixed_g: i, imm8: 1, mask_flags: of, },
|
||||
{ opcode: 0xC1, os: 1, e: 1, fixed_g: i, imm8: 1, mask_flags: of, },
|
||||
{ opcode: 0xD0, e: 1, fixed_g: i, mask_flags: of, },
|
||||
{ opcode: 0xD1, os: 1, e: 1, fixed_g: i, mask_flags: of, },
|
||||
{ opcode: 0xD2, e: 1, fixed_g: i, mask_flags: of, },
|
||||
{ opcode: 0xD3, os: 1, e: 1, fixed_g: i, mask_flags: of, },
|
||||
]);
|
||||
}
|
||||
|
||||
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;
|
||||
});
|
||||
|
||||
function gen_table()
|
||||
{
|
||||
let by_opcode = Object.create(null);
|
||||
let by_opcode0f = Object.create(null);
|
||||
|
||||
for(let o of encodings)
|
||||
{
|
||||
let opcode = o.opcode;
|
||||
|
||||
if(opcode >= 0x100)
|
||||
{
|
||||
if((opcode & 0xFF00) === 0x0F00)
|
||||
{
|
||||
opcode &= 0xFF;
|
||||
by_opcode0f[opcode] = by_opcode0f[opcode] || [];
|
||||
by_opcode0f[opcode].push(o);
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
by_opcode[opcode] = by_opcode[opcode] || [];
|
||||
by_opcode[opcode].push(o);
|
||||
}
|
||||
}
|
||||
|
||||
let t = ``;
|
||||
for(let opcode = 0; opcode < 0x100; opcode++)
|
||||
{
|
||||
let encoding = by_opcode[opcode];
|
||||
console.assert(encoding && encoding.length);
|
||||
|
||||
let opcode_hex = opcode.toString(16).toUpperCase();
|
||||
if(opcode_hex.length === 1) opcode_hex = "0" + opcode_hex;
|
||||
|
||||
if(encoding[0].os)
|
||||
{
|
||||
t += `case 0x${opcode_hex}:\n`;
|
||||
t += ` instr16_${opcode_hex}();\n`;
|
||||
t += ` break;\n`;
|
||||
t += `case 0x${opcode_hex}|0x100:\n`;
|
||||
t += ` instr32_${opcode_hex}();\n`;
|
||||
t += ` break;\n`;
|
||||
}
|
||||
else
|
||||
{
|
||||
t += `case 0x${opcode_hex}:\n`;
|
||||
t += `case 0x${opcode_hex}|0x100:\n`;
|
||||
t += ` instr_${opcode_hex}();\n`;
|
||||
t += ` break;\n`;
|
||||
}
|
||||
}
|
||||
t += `default: assert(false);\n`;
|
||||
fs.writeFileSync("/tmp/table", t);
|
||||
|
||||
let t0f_16 = ``;
|
||||
let t0f_32 = ``;
|
||||
for(let opcode = 0; opcode < 0x100; opcode++)
|
||||
{
|
||||
let encoding = by_opcode0f[opcode];
|
||||
|
||||
if(!encoding)
|
||||
{
|
||||
encoding = [
|
||||
{},
|
||||
];
|
||||
}
|
||||
|
||||
console.assert(encoding && encoding.length);
|
||||
|
||||
let opcode_hex = opcode.toString(16).toUpperCase();
|
||||
if(opcode_hex.length === 1) opcode_hex = "0" + opcode_hex;
|
||||
|
||||
if(encoding[0].os)
|
||||
{
|
||||
t0f_16 += `case 0x${opcode_hex}:\n`;
|
||||
t0f_16 += ` instr16_0F${opcode_hex}();\n`;
|
||||
t0f_16 += ` break;\n`;
|
||||
|
||||
t0f_32 += `case 0x${opcode_hex}:\n`;
|
||||
t0f_32 += ` instr32_0F${opcode_hex}();\n`;
|
||||
t0f_32 += ` break;\n`;
|
||||
}
|
||||
else
|
||||
{
|
||||
t0f_16 += `case 0x${opcode_hex}:\n`;
|
||||
t0f_16 += ` instr_0F${opcode_hex}();\n`;
|
||||
t0f_16 += ` break;\n`;
|
||||
|
||||
t0f_32 += `case 0x${opcode_hex}:\n`;
|
||||
t0f_32 += ` instr_0F${opcode_hex}();\n`;
|
||||
t0f_32 += ` break;\n`;
|
||||
}
|
||||
}
|
||||
t0f_16 += `default: assert(false);\n`;
|
||||
t0f_32 += `default: assert(false);\n`;
|
||||
fs.writeFileSync("/tmp/table0f_16", t0f_16);
|
||||
fs.writeFileSync("/tmp/table0f_32", t0f_32);
|
||||
}
|
||||
gen_table();
|
||||
|
||||
for(const op of encodings)
|
||||
{
|
||||
let i = 0;
|
||||
for(const code of create_nasm(op))
|
||||
{
|
||||
const filename = "gen_" + format_opcode(op.opcode) + "_" + (op.fixed_g || 0) + "_" + i + ".asm";
|
||||
console.log("Creating %s", filename);
|
||||
fs.writeFileSync(__dirname + "/" + filename, code);
|
||||
i++;
|
||||
}
|
||||
}
|
||||
|
||||
function format_opcode(n)
|
||||
{
|
||||
let x = n.toString(16);
|
||||
return (x.length === 1 || x.length === 3) ? "0" + x : x;
|
||||
}
|
||||
|
||||
function random_int32()
|
||||
{
|
||||
return Math.random() * 0x100000000 | 0;
|
||||
}
|
||||
|
||||
function create_nasm(op)
|
||||
{
|
||||
if(op.prefix || op.skip)
|
||||
{
|
||||
return [];
|
||||
}
|
||||
|
||||
var size = (op.is_32 || op.opcode % 2 === 0) ? 8 : 32;
|
||||
var is_modrm = op.e || op.g || op.fixed_g !== undefined;
|
||||
|
||||
var codes = [];
|
||||
|
||||
for(let reg of ["eax", "ecx", "edx", "ebx", "ebp", "esi", "edi"])
|
||||
{
|
||||
let rand = random_int32();
|
||||
codes.push("mov " + reg + ", " + rand);
|
||||
}
|
||||
|
||||
if(true) // generate random mmx registers
|
||||
{
|
||||
codes.push("sub esp, 8");
|
||||
for(let i = 0; i < 8; i++)
|
||||
{
|
||||
codes.push("mov dword [esp], " + random_int32());
|
||||
codes.push("mov dword [esp + 4], " + random_int32());
|
||||
codes.push("movq mm" + i + ", [esp]");
|
||||
}
|
||||
codes.push("add esp, 8");
|
||||
}
|
||||
|
||||
if(true) // generate random xmm registers
|
||||
{
|
||||
codes.push("sub esp, 16");
|
||||
for(let i = 0; i < 8; i++)
|
||||
{
|
||||
codes.push("mov dword [esp], " + random_int32());
|
||||
codes.push("mov dword [esp + 4], " + random_int32());
|
||||
codes.push("mov dword [esp + 8], " + random_int32());
|
||||
codes.push("mov dword [esp + 12], " + random_int32());
|
||||
codes.push("movdqu xmm" + i + ", [esp]");
|
||||
}
|
||||
codes.push("add esp, 16");
|
||||
}
|
||||
|
||||
if(true) // generate random stack memory
|
||||
{
|
||||
for(let i = 0; i < 8; i++)
|
||||
{
|
||||
codes.push("sub esp, 4");
|
||||
codes.push("mov dword [esp], " + random_int32());
|
||||
}
|
||||
}
|
||||
|
||||
codes.push("push dword " + (random_int32() & ~(1 << 8 | 1 << 9)));
|
||||
codes.push("popf");
|
||||
|
||||
if(size === 32)
|
||||
{
|
||||
//codes.push(["", "db 66h ; 16 bit"]);
|
||||
}
|
||||
|
||||
let opcode = op.opcode;
|
||||
console.assert(opcode < 0x1000000);
|
||||
if(opcode >= 0x10000)
|
||||
{
|
||||
let c = opcode >> 16;
|
||||
console.assert(c === 0x66 || c === 0xF3 || c === 0xF2);
|
||||
codes.push("db " + c);
|
||||
opcode &= ~0xFF0000;
|
||||
}
|
||||
if(opcode >= 0x100)
|
||||
{
|
||||
let c = opcode >> 8;
|
||||
console.assert(c === 0x0F, "Expected 0f prefix, got " + c.toString(16));
|
||||
codes.push("db " + c);
|
||||
opcode &= ~0xFF00;
|
||||
}
|
||||
codes.push("db " + opcode);
|
||||
|
||||
if(is_modrm)
|
||||
{
|
||||
let g = 0;
|
||||
|
||||
if(op.fixed_g !== undefined)
|
||||
{
|
||||
g = op.fixed_g;
|
||||
}
|
||||
|
||||
let e;
|
||||
let sib;
|
||||
|
||||
if(op.only_reg)
|
||||
//if(!op.only_mem)
|
||||
{
|
||||
e = 0xc2; // edx
|
||||
sib = "<invalid>";
|
||||
}
|
||||
else // op.only_mem
|
||||
{
|
||||
e = 0x04; // [esp]
|
||||
sib = 0x24;
|
||||
}
|
||||
|
||||
codes.push("db " + (e | g << 3));
|
||||
if(e < 0xC0)
|
||||
{
|
||||
codes.push("db " + sib);
|
||||
}
|
||||
}
|
||||
|
||||
if(op.imm || op.imm8 || op.imm1632 || op.immaddr)
|
||||
{
|
||||
if(op.imm8 || (op.imm && size === 8))
|
||||
{
|
||||
codes.push("db 12h");
|
||||
}
|
||||
else
|
||||
{
|
||||
// immaddr: depends on address size
|
||||
console.assert(op.imm1632 || (op.imm && size === 32) || op.immaddr);
|
||||
codes.push("dd 1234abcdh");
|
||||
}
|
||||
}
|
||||
|
||||
if(op.mask_flags)
|
||||
{
|
||||
codes.push(
|
||||
"pushf",
|
||||
"and dword [esp], ~" + op.mask_flags,
|
||||
"popf"
|
||||
);
|
||||
}
|
||||
|
||||
return all_combinations(codes).map(c => {
|
||||
return (
|
||||
"global _start\n" +
|
||||
'%include "header.inc"\n\n' +
|
||||
c.join("\n") + "\n" +
|
||||
'%include "footer.inc"\n'
|
||||
);
|
||||
});
|
||||
}
|
||||
|
||||
function all_combinations(xs)
|
||||
{
|
||||
var result = [xs];
|
||||
|
||||
for(let i = 0; i < xs.length; i++)
|
||||
{
|
||||
let x = xs[i];
|
||||
|
||||
if(x instanceof Array)
|
||||
{
|
||||
let new_result = [];
|
||||
|
||||
for(let r of result)
|
||||
{
|
||||
for(let x_ of x)
|
||||
{
|
||||
r = r.slice();
|
||||
r[i] = x_;
|
||||
new_result.push(r);
|
||||
}
|
||||
}
|
||||
|
||||
result = new_result;
|
||||
}
|
||||
}
|
||||
|
||||
return result;
|
||||
}
|
||||
Loading…
Reference in a new issue