def _EmitCodeC(fout):
print(
"// Indexed by OPC which in turn are organize to help with disassembly",
file=fout)
print("const Opcode OpcodeTable[] = {", file=fout)
print("\n".join(_RenderOpcodeTable()), file=fout)
print("};\n", file=fout)
print("const int16_t OpcodeTableJumper[] = {", file=fout)
print(",\n".join(_RenderOpcodeTableJumper()), file=fout)
print("};\n", file=fout)
print("// Indexed by FieldKind", file=fout)
print("static const Field FieldTable[] = {", file=fout)
print("\n".join(_RenderFieldTable()), file=fout)
print("};\n", file=fout)
print(
"// Indexed by djb2 hash of mnemonic. Collisions are resolved via linear probing",
file=fout)
print("static const OPC MnemonicHashTable[512] = {", file=fout)
print("\n".join(_RenderMnemonicHashLookup()), file=fout)
print("};\n", file=fout)
# what about REG/SREG/DREG
cgen.RenderEnumToStringMap(cgen.NameValues(PRED), "PRED", fout)
cgen.RenderEnumToStringFun("PRED", fout)
cgen.RenderEnumToStringMap(cgen.NameValues(ADDR_MODE), "ADDR_MODE", fout)
cgen.RenderEnumToStringFun("ADDR_MODE", fout)
cgen.RenderEnumToStringMap(cgen.NameValues(SHIFT), "SHIFT", fout)
cgen.RenderEnumToStringFun("SHIFT", fout)
def render(cls, both_ways=True):
cgen.RenderEnumToStringMap(cgen.NameValues(cls), cls.__name__, fout)
cgen.RenderEnumToStringFun(cls.__name__, fout)
if both_ways:
cgen.RenderStringToEnumMap(cgen.NameValues(cls),
cls.__name__ + "FromStringMap",
cls.__name__ + "Jumper", fout)
def EmitEnumsC(fout):
for cls, info in CLASSES.items():
if info[0] is UNSUPPORTED: continue
if info[0] is FLAG:
cgen.RenderEnumToStringMapFlag(cgen.NameValues(cls), cls.__name__,
fout)
cgen.RenderEnumToStringFun(cls.__name__, fout)
elif info[1] in {8, 16}:
cgen.RenderEnumToStringMap(cgen.NameValues(cls), cls.__name__,
fout)
cgen.RenderEnumToStringFun(cls.__name__, fout)
elif info[1] == 32:
for n, first in enumerate(info[2]):
if first == -1: continue
last = info[2][n + 1]
cgen.RenderEnumToStringMap(_EnumGenerator(cls, first, last),
f"{cls.__name__ }_{first:x}", fout,
first)
def _EmitCodeC(fout):
print(
"// Indexed by OPC which in turn are organize to help with disassembly",
file=fout)
print("const Opcode OpcodeTable[] = {", file=fout)
print("\n".join(_RenderOpcodeTable()), file=fout)
print("};\n", file=fout)
print("const OPC ClusteredOpcodeTable[] = {", file=fout)
print(",\n".join(_RenderClusteredOpcodeTable()), file=fout)
print("};\n", file=fout)
print("const int16_t OpcodeTableJumper[] = {", file=fout)
print(",\n".join(_RenderOpcodeTableJumper()), file=fout)
print("};\n", file=fout)
print(
f"constexpr const unsigned MNEMONIC_HASH_TABLE_SIZE = {_MNEMONIC_HASH_TABLE_SIZE};",
file=fout)
print(
"// Indexed by djb2 hash of mnemonic. Collisions are resolved via linear probing",
file=fout)
print(f"static const OPC MnemonicHashTable[MNEMONIC_HASH_TABLE_SIZE] = {{",
file=fout)
print("\n".join(_RenderMnemonicHashLookup()), file=fout)
print("};\n", file=fout)
cgen.RenderEnumToStringMap(cgen.NameValues(REG), "REG", fout)
cgen.RenderEnumToStringFun("REG", fout)
cgen.RenderEnumToStringMap(cgen.NameValues(DREG), "DREG", fout)
cgen.RenderEnumToStringFun("DREG", fout)
cgen.RenderEnumToStringMap(cgen.NameValues(SREG), "SREG", fout)
cgen.RenderEnumToStringFun("SREG", fout)
cgen.RenderEnumToStringMap(cgen.NameValues(PRED), "PRED", fout)
cgen.RenderEnumToStringFun("PRED", fout)
cgen.RenderEnumToStringMap(cgen.NameValues(SHIFT), "SHIFT", fout)
cgen.RenderEnumToStringFun("SHIFT", fout)
# Note this also uses the string tables from the enums above
print("// Indexed by OK", file=fout)
print("const FieldInfo FieldInfoTable[] = {", file=fout)
print("\n".join(_RenderFieldInfoTable()), file=fout)
print("};\n", file=fout)
def _EmitCodeC(fout):
print(f"\nconst InsTmpl kInsTemplates[] = {{", file=fout)
print(" { /*used first entry*/ },", file=fout)
num_ins = 1
for i in range(256):
patterns = Pattern.Table.get(i)
if patterns is None: continue
opcode = o.Opcode.TableByNo.get(i)
for pat in patterns:
for tmpl in pat.emit:
mask, ops = _RenderOperands(tmpl.args)
num_ins += 1
print(f" {{ {{{', '.join(ops)}}},", file=fout)
print(
f" a32::OPC::{tmpl.opcode.NameForEnum()}, 0x{mask:x} }}, // {opcode.name} [{num_ins}]",
file=fout)
print(f"}};", file=fout)
print(f"\nconst uint16_t kPatternJumper[256] = {{")
n = 0
for i in range(256):
opcode = o.Opcode.TableByNo.get(i)
name = opcode.name if opcode else "---"
print(f" {n} /* {name} */, ", end="", file=fout)
n += len(Pattern.Table.get(i, []))
if i % 4 == 3:
print("", file=fout)
print(f"}};", file=fout)
print(f"\nconst Pattern kPatterns[] = {{", file=fout)
num_ins = 1 # we want the first entry in the kInsTemplate to be unused
num_pattern = 0
for i in range(256):
patterns = Pattern.Table.get(i)
if patterns is None: continue
opcode = o.Opcode.TableByNo.get(i)
for pat in patterns:
reg_constraints = [f"DK::{c.name}" for c in pat.type_constraints]
imm_constraints = [f"IK::{c.name}" for c in pat.imm_constraints]
print(f" {{ {{{', '.join(reg_constraints)}}},")
print(f" {{{', '.join(imm_constraints)}}},")
print(
f" &kInsTemplates[{num_ins}], {len(pat.emit)} }}, // {opcode.name} [{num_pattern}]"
)
num_ins += len(pat.emit)
num_pattern += 1
print(f"}};", file=fout)
print("} // namspace", file=fout)
cgen.RenderEnumToStringMap(cgen.NameValues(IMM_KIND), "IMM_KIND", fout)
cgen.RenderEnumToStringFun("IMM_KIND", fout)
def _EmitCodeC(fout):
cgen.RenderEnumToStringMap(cgen.NameValues(OK), "OK", fout)
cgen.RenderEnumToStringFun("OK", fout)
