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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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105
core/rexcode/isa/x86/tablegen/cpp-compiler/cpp-gen.odin
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@@ -57,7 +57,30 @@ main :: proc() {
strings.write_string(&sb, "\t\tMNEMONIC_COUNT\n");
}
{
strings.write_string(&sb, "\tenum Prefix : u8 {\n")
defer strings.write_string(&sb, "\t};\n");
count := uint(0)
ROW_COUNT :: 16
for prefix in Prefix {
if count == 0 {
strings.write_string(&sb, "\t\t")
}
fmt.sbprintf(&sb, "PREFIX_%s, ", prefix)
if count == ROW_COUNT-1 {
strings.write_string(&sb, "\n")
}
count = (count + 1) % ROW_COUNT
}
strings.write_string(&sb, "\n\n");
strings.write_string(&sb, "\t\tPREFIX_COUNT\n");
}
strings.write_string(&sb, "\tstatic String const mnemonic_strings[MNEMONIC_COUNT];\n")
strings.write_string(&sb, "\tstatic String const prefix_strings[PREFIX_COUNT];\n")
{
strings.write_string(&sb, "\n");
@@ -102,7 +125,7 @@ main :: proc() {
strings.write_string(&sb, "\tstatic u16 const register_codes[REG_COUNT];\n")
strings.write_string(&sb, "\tstatic String const register_names[REG_COUNT];\n")
strings.write_string(&sb, "\tstatic String const register_strings[REG_COUNT];\n")
strings.write_string(&sb, "\n\n")
{
@@ -178,6 +201,7 @@ main :: proc() {
fmt.sbprintf(&sb, "\tstatic u8 const raw_encode_forms[%d];\n", len(raw_encode_forms))
strings.write_string(&sb, "\tStringMap<Mnemonic> mnemonic_map;\n")
strings.write_string(&sb, "\tStringMap<Prefix> prefix_map;\n")
strings.write_string(&sb, "\tStringMap<Register> register_map;\n")
strings.write_string(&sb, "\tSlice<EncodeRun> ENCODE_RUNS;\n")
strings.write_string(&sb, "\tSlice<Encoding> ENCODE_FORMS;\n")
@@ -187,22 +211,40 @@ main :: proc() {
defer strings.write_string(&sb, "\t}\n")
strings.write_string(&sb, "\t\tstring_map_init(&mnemonic_map, MNEMONIC_COUNT*2);\n")
strings.write_string(&sb, "\t\tfor (u16 m = M_INVALID; m < MNEMONIC_COUNT; m++) {\n")
strings.write_string(&sb, "\t\tfor (u16 m = M_INVALID+1; m < MNEMONIC_COUNT; m++) {\n")
strings.write_string(&sb, "\t\t\tstring_map_set(&mnemonic_map, mnemonic_strings[m], cast(Mnemonic)m);\n")
strings.write_string(&sb, "\t\t}\n")
strings.write_string(&sb, "\t\tstring_map_init(&prefix_map, PREFIX_COUNT*2);\n")
strings.write_string(&sb, "\t\tfor (u8 r = PREFIX_INVALID+1; r < PREFIX_COUNT; r++) {\n")
strings.write_string(&sb, "\t\t\tstring_map_set(&prefix_map, prefix_strings[r], cast(Prefix)r);\n")
strings.write_string(&sb, "\t\t}\n")
strings.write_string(&sb, "\t\tstring_map_init(&register_map, REG_COUNT*2);\n")
strings.write_string(&sb, "\t\tfor (u16 r = REG_INVALID; r < REG_COUNT; r++) {\n")
strings.write_string(&sb, "\t\t\tstring_map_set(&register_map, register_names[r], cast(Register)r);\n")
strings.write_string(&sb, "\t\tfor (u16 r = REG_INVALID+1; r < REG_COUNT; r++) {\n")
strings.write_string(&sb, "\t\t\tstring_map_set(&register_map, register_strings[r], cast(Register)r);\n")
strings.write_string(&sb, "\t\t}\n")
strings.write_string(&sb, "\t\treturn true;\n")
}
{
strings.write_string(&sb, "\tMnemonic lookup(String const &name) {\n")
strings.write_string(&sb, "\tMnemonic mnemonic_lookup(String const &name) {\n")
defer strings.write_string(&sb, "\t}\n")
strings.write_string(&sb, "\t\tMnemonic *found = string_map_get(&mnemonic_map, name);\n")
strings.write_string(&sb, "\t\treturn found ? *found : M_INVALID;\n")
}
{
strings.write_string(&sb, "\tPrefix prefix_lookup(String const &name) {\n")
defer strings.write_string(&sb, "\t}\n")
strings.write_string(&sb, "\t\tPrefix *found = string_map_get(&prefix_map, name);\n")
strings.write_string(&sb, "\t\treturn found ? *found : PREFIX_INVALID;\n")
}
{
strings.write_string(&sb, "\tRegister register_lookup(String const &name) {\n")
defer strings.write_string(&sb, "\t}\n")
strings.write_string(&sb, "\t\tRegister *found = string_map_get(&register_map, name);\n")
strings.write_string(&sb, "\t\treturn found ? *found : REG_INVALID;\n")
}
{
strings.write_string(&sb, "\tSlice<Encoding> encoding_forms(Mnemonic m) const {\n")
defer strings.write_string(&sb, "\t}\n")
@@ -244,12 +286,15 @@ main :: proc() {
strings.write_string(&sb, "};\n")
strings.write_string(&sb, "\n\n\n")
fmt.sbprintf(&sb, "gb_internal Asm_{0:s} g_asm_{0:s};\n", ISA_NAME)
strings.write_string(&sb, "\n\n\n")
{
fmt.sbprintf(&sb, "String const Asm_{0:s}::mnemonic_strings[Asm_{0:s}::MNEMONIC_COUNT] {{\n", ISA_NAME)
defer strings.write_string(&sb, "};\n");
iota := 0
count := uint(0)
ROW_COUNT :: 16
for mnemonic in gen.Mnemonic {
@@ -271,7 +316,33 @@ main :: proc() {
strings.write_string(&sb, "\n")
}
iota += 1
count = (count + 1) % ROW_COUNT
}
strings.write_string(&sb, "\n");
}
{
fmt.sbprintf(&sb, "String const Asm_{0:s}::prefix_strings[Asm_{0:s}::PREFIX_COUNT] {{\n", ISA_NAME)
defer strings.write_string(&sb, "};\n");
count := uint(0)
ROW_COUNT :: 16
for prefix in Prefix {
if count == 0 {
strings.write_string(&sb, "\t")
}
if prefix == .INVALID {
strings.write_string(&sb, "str_lit(\"\"), ")
} else {
str := strings.to_lower(reflect.enum_string(prefix))
fmt.sbprintf(&sb, "str_lit(%q), ", str)
delete(str)
}
if count == ROW_COUNT-1 {
strings.write_string(&sb, "\n")
}
count = (count + 1) % ROW_COUNT
}
strings.write_string(&sb, "\n");
@@ -300,7 +371,7 @@ main :: proc() {
}
{
fmt.sbprintf(&sb, "String const Asm_{0:s}::register_names[Asm_{0:s}::REG_COUNT] {{\n", ISA_NAME)
fmt.sbprintf(&sb, "String const Asm_{0:s}::register_strings[Asm_{0:s}::REG_COUNT] {{\n", ISA_NAME)
defer strings.write_string(&sb, "};\n");
count := uint(0)
@@ -377,7 +448,21 @@ main :: proc() {
}
}
Prefix :: enum u8 {
INVALID,
ES,
CS,
SS,
DS,
REX,
EVEX,
FS,
GS,
VEX,
LOCK,
REPNE,
REP,
}