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Validate the names of mnemonics, prefixes, and registers for amd64

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gingerBill
2026-08-11 10:44:34 +01:00
parent d827be77cd
commit 70ca5c0936
5 changed files with 776 additions and 616 deletions
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38
src/asm_tables_amd64.cpp
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@@ -88,7 +88,13 @@ struct Asm_amd64 {
MNEMONIC_COUNT
};
enum Prefix : u8 {
PREFIX_INVALID, PREFIX_ES, PREFIX_CS, PREFIX_SS, PREFIX_DS, PREFIX_REX, PREFIX_EVEX, PREFIX_FS, PREFIX_GS, PREFIX_VEX, PREFIX_LOCK, PREFIX_REPNE, PREFIX_REP,
PREFIX_COUNT
};
static String const mnemonic_strings[MNEMONIC_COUNT];
static String const prefix_strings[PREFIX_COUNT];
// Register classes (upper byte)
static const u16 REG_CLASS_NONE = 0x000;
@@ -126,7 +132,7 @@ struct Asm_amd64 {
REG_COUNT
};
static u16 const register_codes[REG_COUNT];
static String const register_names[REG_COUNT];
static String const register_strings[REG_COUNT];
enum OperandType : u8 {
@@ -240,24 +246,37 @@ struct Asm_amd64 {
static EncodeRun const raw_encode_runs[1176];
static u8 const raw_encode_forms[37680];
StringMap<Mnemonic> mnemonic_map;
StringMap<Prefix> prefix_map;
StringMap<Register> register_map;
Slice<EncodeRun> ENCODE_RUNS;
Slice<Encoding> ENCODE_FORMS;
bool init() {
string_map_init(&mnemonic_map, MNEMONIC_COUNT*2);
for (u16 m = M_INVALID; m < MNEMONIC_COUNT; m++) {
for (u16 m = M_INVALID+1; m < MNEMONIC_COUNT; m++) {
string_map_set(&mnemonic_map, mnemonic_strings[m], cast(Mnemonic)m);
}
string_map_init(&prefix_map, PREFIX_COUNT*2);
for (u8 r = PREFIX_INVALID+1; r < PREFIX_COUNT; r++) {
string_map_set(&prefix_map, prefix_strings[r], cast(Prefix)r);
}
string_map_init(&register_map, REG_COUNT*2);
for (u16 r = REG_INVALID; r < REG_COUNT; r++) {
string_map_set(&register_map, register_names[r], cast(Register)r);
for (u16 r = REG_INVALID+1; r < REG_COUNT; r++) {
string_map_set(&register_map, register_strings[r], cast(Register)r);
}
return true;
}
Mnemonic lookup(String const &name) {
Mnemonic mnemonic_lookup(String const &name) {
Mnemonic *found = string_map_get(&mnemonic_map, name);
return found ? *found : M_INVALID;
}
Prefix prefix_lookup(String const &name) {
Prefix *found = string_map_get(&prefix_map, name);
return found ? *found : PREFIX_INVALID;
}
Register register_lookup(String const &name) {
Register *found = string_map_get(&register_map, name);
return found ? *found : REG_INVALID;
}
Slice<Encoding> encoding_forms(Mnemonic m) const {
EncodeRun r = ENCODE_RUNS[m];
return slice_lower_and_count(ENCODE_FORMS, r.start, r.count);
@@ -290,6 +309,10 @@ struct Asm_amd64 {
gb_internal Asm_amd64 g_asm_amd64;
String const Asm_amd64::mnemonic_strings[Asm_amd64::MNEMONIC_COUNT] {
str_lit(""), str_lit("mov"), str_lit("movabs"), str_lit("movzx"), str_lit("movsx"), str_lit("movsxd"), str_lit("xchg"), str_lit("push"), str_lit("pop"), str_lit("lea"), str_lit("add"), str_lit("adc"), str_lit("sub"), str_lit("sbb"), str_lit("mul"), str_lit("imul"),
str_lit("div"), str_lit("idiv"), str_lit("inc"), str_lit("dec"), str_lit("neg"), str_lit("cmp"), str_lit("and"), str_lit("or"), str_lit("xor"), str_lit("not"), str_lit("test"), str_lit("shl"), str_lit("shr"), str_lit("sar"), str_lit("rol"), str_lit("ror"),
@@ -366,6 +389,9 @@ String const Asm_amd64::mnemonic_strings[Asm_amd64::MNEMONIC_COUNT] {
str_lit("xsaves64"), str_lit("xrstors"), str_lit("xrstors64"), str_lit("prefetcht0"), str_lit("prefetcht1"), str_lit("prefetcht2"), str_lit("prefetchnta"), str_lit("prefetchw"), str_lit("clflushopt"), str_lit("clwb"), str_lit("cldemote"), str_lit("bswap"), str_lit("cmpxchg"), str_lit("cmpxchg8b"), str_lit("cmpxchg16b"), str_lit("xadd"),
str_lit("bound"), str_lit("enter"), str_lit("leave"), str_lit("xlat"), str_lit("xlatb"), str_lit("movbe"), str_lit("rdrand"), str_lit("rdseed"),
};
String const Asm_amd64::prefix_strings[Asm_amd64::PREFIX_COUNT] {
str_lit(""), str_lit("es"), str_lit("cs"), str_lit("ss"), str_lit("ds"), str_lit("rex"), str_lit("evex"), str_lit("fs"), str_lit("gs"), str_lit("vex"), str_lit("lock"), str_lit("repne"), str_lit("rep"),
};
u16 const Asm_amd64::register_codes[Asm_amd64::REG_COUNT] {
0, 256, 257, 258, 259, 260, 261, 262, 263, 264, 265, 266, 267, 268, 269, 270,
271, 512, 513, 514, 515, 516, 517, 518, 519, 520, 521, 522, 523, 524, 525, 526,
@@ -382,7 +408,7 @@ u16 const Asm_amd64::register_codes[Asm_amd64::REG_COUNT] {
3330, 3331, 3584, 3585, 3586, 3587, 3588, 3589, 3590, 3591, 3840, 3841, 3842, 3843, 3844, 3845,
3846, 3847, 65534,
};
String const Asm_amd64::register_names[Asm_amd64::REG_COUNT] {
String const Asm_amd64::register_strings[Asm_amd64::REG_COUNT] {
str_lit(""), str_lit("rax"), str_lit("rcx"), str_lit("rdx"), str_lit("rbx"), str_lit("rsp"), str_lit("rbp"), str_lit("rsi"), str_lit("rdi"), str_lit("r8"), str_lit("r9"), str_lit("r10"), str_lit("r11"), str_lit("r12"), str_lit("r13"), str_lit("r14"),
str_lit("r15"), str_lit("eax"), str_lit("ecx"), str_lit("edx"), str_lit("ebx"), str_lit("esp"), str_lit("ebp"), str_lit("esi"), str_lit("edi"), str_lit("r8d"), str_lit("r9d"), str_lit("r10d"), str_lit("r11d"), str_lit("r12d"), str_lit("r13d"), str_lit("r14d"),
str_lit("r15d"), str_lit("ax"), str_lit("cx"), str_lit("dx"), str_lit("bx"), str_lit("sp"), str_lit("bp"), str_lit("si"), str_lit("di"), str_lit("r8w"), str_lit("r9w"), str_lit("r10w"), str_lit("r11w"), str_lit("r12w"), str_lit("r13w"), str_lit("r14w"),