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gh-105481: generate op IDs from bytecode.c instead of hard coding them in opcode.py (#107971)

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Irit Katriel 2023-08-16 23:25:18 +01:00 • committed by GitHub
parent e88eb3775e
commit 665a4391e1
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21 changed files with 1593 additions and 1521 deletions
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220
Lib/opcode.py
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@ -6,8 +6,7 @@ operate on bytecodes (e.g. peephole optimizers).
# Note that __all__ is further extended below
__all__ = ["cmp_op", "opname", "opmap", "stack_effect", "hascompare",
"HAVE_ARGUMENT", "EXTENDED_ARG"]
__all__ = ["cmp_op", "stack_effect", "hascompare"]
import _opcode
from _opcode import stack_effect
@ -15,215 +14,18 @@ from _opcode import stack_effect
import sys
# The build uses older versions of Python which do not have _opcode_metadata
if sys.version_info[:2] >= (3, 13):
from _opcode_metadata import _specializations, _specialized_instructions
from _opcode_metadata import _specializations, _specialized_opmap
from _opcode_metadata import opmap, HAVE_ARGUMENT, MIN_INSTRUMENTED_OPCODE
EXTENDED_ARG = opmap['EXTENDED_ARG']
opname = ['<%r>' % (op,) for op in range(max(opmap.values()) + 1)]
for op, i in opmap.items():
opname[i] = op
__all__.extend(["opname", "opmap", "HAVE_ARGUMENT", "EXTENDED_ARG"])
cmp_op = ('<', '<=', '==', '!=', '>', '>=')
opmap = {}
def def_op(name, op):
opmap[name] = op
# Instruction opcodes for compiled code
# Blank lines correspond to available opcodes
def_op('CACHE', 0)
def_op('POP_TOP', 1)
def_op('PUSH_NULL', 2)
def_op('INTERPRETER_EXIT', 3)
def_op('END_FOR', 4)
def_op('END_SEND', 5)
def_op('TO_BOOL', 6)
def_op('NOP', 9)
def_op('UNARY_NEGATIVE', 11)
def_op('UNARY_NOT', 12)
def_op('UNARY_INVERT', 15)
def_op('EXIT_INIT_CHECK', 16)
# We reserve 17 as it is the initial value for the specializing counter
# This helps us catch cases where we attempt to execute a cache.
def_op('RESERVED', 17)
def_op('MAKE_FUNCTION', 24)
def_op('BINARY_SUBSCR', 25)
def_op('BINARY_SLICE', 26)
def_op('STORE_SLICE', 27)
def_op('GET_LEN', 30)
def_op('MATCH_MAPPING', 31)
def_op('MATCH_SEQUENCE', 32)
def_op('MATCH_KEYS', 33)
def_op('PUSH_EXC_INFO', 35)
def_op('CHECK_EXC_MATCH', 36)
def_op('CHECK_EG_MATCH', 37)
def_op('FORMAT_SIMPLE', 40)
def_op('FORMAT_WITH_SPEC', 41)
def_op('WITH_EXCEPT_START', 49)
def_op('GET_AITER', 50)
def_op('GET_ANEXT', 51)
def_op('BEFORE_ASYNC_WITH', 52)
def_op('BEFORE_WITH', 53)
def_op('END_ASYNC_FOR', 54)
def_op('CLEANUP_THROW', 55)
def_op('STORE_SUBSCR', 60)
def_op('DELETE_SUBSCR', 61)
def_op('GET_ITER', 68)
def_op('GET_YIELD_FROM_ITER', 69)
def_op('LOAD_BUILD_CLASS', 71)
def_op('LOAD_ASSERTION_ERROR', 74)
def_op('RETURN_GENERATOR', 75)
def_op('RETURN_VALUE', 83)
def_op('SETUP_ANNOTATIONS', 85)
def_op('LOAD_LOCALS', 87)
def_op('POP_EXCEPT', 89)
HAVE_ARGUMENT = 90 # real opcodes from here have an argument:
def_op('STORE_NAME', 90) # Index in name list
def_op('DELETE_NAME', 91) # ""
def_op('UNPACK_SEQUENCE', 92) # Number of tuple items
def_op('FOR_ITER', 93)
def_op('UNPACK_EX', 94)
def_op('STORE_ATTR', 95) # Index in name list
def_op('DELETE_ATTR', 96) # ""
def_op('STORE_GLOBAL', 97) # ""
def_op('DELETE_GLOBAL', 98) # ""
def_op('SWAP', 99)
def_op('LOAD_CONST', 100) # Index in const list
def_op('LOAD_NAME', 101) # Index in name list
def_op('BUILD_TUPLE', 102) # Number of tuple items
def_op('BUILD_LIST', 103) # Number of list items
def_op('BUILD_SET', 104) # Number of set items
def_op('BUILD_MAP', 105) # Number of dict entries
def_op('LOAD_ATTR', 106) # Index in name list
def_op('COMPARE_OP', 107) # Comparison operator
def_op('IMPORT_NAME', 108) # Index in name list
def_op('IMPORT_FROM', 109) # Index in name list
def_op('JUMP_FORWARD', 110) # Number of words to skip
def_op('POP_JUMP_IF_FALSE', 114)
def_op('POP_JUMP_IF_TRUE', 115)
def_op('LOAD_GLOBAL', 116) # Index in name list
def_op('IS_OP', 117)
def_op('CONTAINS_OP', 118)
def_op('RERAISE', 119)
def_op('COPY', 120)
def_op('RETURN_CONST', 121)
def_op('BINARY_OP', 122)
def_op('SEND', 123) # Number of words to skip
def_op('LOAD_FAST', 124) # Local variable number, no null check
def_op('STORE_FAST', 125) # Local variable number
def_op('DELETE_FAST', 126) # Local variable number
def_op('LOAD_FAST_CHECK', 127) # Local variable number
def_op('POP_JUMP_IF_NOT_NONE', 128)
def_op('POP_JUMP_IF_NONE', 129)
def_op('RAISE_VARARGS', 130) # Number of raise arguments (1, 2, or 3)
def_op('GET_AWAITABLE', 131)
def_op('BUILD_SLICE', 133) # Number of items
def_op('JUMP_BACKWARD_NO_INTERRUPT', 134) # Number of words to skip (backwards)
def_op('MAKE_CELL', 135)
def_op('LOAD_DEREF', 137)
def_op('STORE_DEREF', 138)
def_op('DELETE_DEREF', 139)
def_op('JUMP_BACKWARD', 140) # Number of words to skip (backwards)
def_op('LOAD_SUPER_ATTR', 141)
def_op('CALL_FUNCTION_EX', 142) # Flags
def_op('LOAD_FAST_AND_CLEAR', 143) # Local variable number
def_op('EXTENDED_ARG', 144)
EXTENDED_ARG = opmap['EXTENDED_ARG']
def_op('LIST_APPEND', 145)
def_op('SET_ADD', 146)
def_op('MAP_ADD', 147)
def_op('COPY_FREE_VARS', 149)
def_op('YIELD_VALUE', 150)
def_op('RESUME', 151) # This must be kept in sync with deepfreeze.py
def_op('MATCH_CLASS', 152)
def_op('BUILD_CONST_KEY_MAP', 156)
def_op('BUILD_STRING', 157)
def_op('CONVERT_VALUE', 158)
def_op('LIST_EXTEND', 162)
def_op('SET_UPDATE', 163)
def_op('DICT_MERGE', 164)
def_op('DICT_UPDATE', 165)
def_op('LOAD_FAST_LOAD_FAST', 168)
def_op('STORE_FAST_LOAD_FAST', 169)
def_op('STORE_FAST_STORE_FAST', 170)
def_op('CALL', 171)
def_op('KW_NAMES', 172)
def_op('CALL_INTRINSIC_1', 173)
def_op('CALL_INTRINSIC_2', 174)
def_op('LOAD_FROM_DICT_OR_GLOBALS', 175)
def_op('LOAD_FROM_DICT_OR_DEREF', 176)
def_op('SET_FUNCTION_ATTRIBUTE', 177) # Attribute
# Optimizer hook
def_op('ENTER_EXECUTOR', 230)
# Instrumented instructions
MIN_INSTRUMENTED_OPCODE = 237
def_op('INSTRUMENTED_LOAD_SUPER_ATTR', 237)
def_op('INSTRUMENTED_POP_JUMP_IF_NONE', 238)
def_op('INSTRUMENTED_POP_JUMP_IF_NOT_NONE', 239)
def_op('INSTRUMENTED_RESUME', 240)
def_op('INSTRUMENTED_CALL', 241)
def_op('INSTRUMENTED_RETURN_VALUE', 242)
def_op('INSTRUMENTED_YIELD_VALUE', 243)
def_op('INSTRUMENTED_CALL_FUNCTION_EX', 244)
def_op('INSTRUMENTED_JUMP_FORWARD', 245)
def_op('INSTRUMENTED_JUMP_BACKWARD', 246)
def_op('INSTRUMENTED_RETURN_CONST', 247)
def_op('INSTRUMENTED_FOR_ITER', 248)
def_op('INSTRUMENTED_POP_JUMP_IF_FALSE', 249)
def_op('INSTRUMENTED_POP_JUMP_IF_TRUE', 250)
def_op('INSTRUMENTED_END_FOR', 251)
def_op('INSTRUMENTED_END_SEND', 252)
def_op('INSTRUMENTED_INSTRUCTION', 253)
def_op('INSTRUMENTED_LINE', 254)
# 255 is reserved
# Pseudo ops are above 255:
def_op('SETUP_FINALLY', 256)
def_op('SETUP_CLEANUP', 257)
def_op('SETUP_WITH', 258)
def_op('POP_BLOCK', 259)
def_op('JUMP', 260)
def_op('JUMP_NO_INTERRUPT', 261)
def_op('LOAD_METHOD', 262)
def_op('LOAD_SUPER_METHOD', 263)
def_op('LOAD_ZERO_SUPER_METHOD', 264)
def_op('LOAD_ZERO_SUPER_ATTR', 265)
def_op('STORE_FAST_MAYBE_NULL', 266)
def_op('LOAD_CLOSURE', 267)
del def_op
opname = ['<%r>' % (op,) for op in range(max(opmap.values()) + 1)]
for op, i in opmap.items():
opname[i] = op
# The build uses older versions of Python which do not have _opcode.has_* functions
if sys.version_info[:2] >= (3, 13):
# These lists are documented as part of the dis module's API
@ -243,7 +45,7 @@ if sys.version_info[:2] >= (3, 13):
_intrinsic_1_descs = _opcode.get_intrinsic1_descs()
_intrinsic_2_descs = _opcode.get_intrinsic2_descs()
hascompare = [opmap["COMPARE_OP"]]
hascompare = [opmap["COMPARE_OP"]]
_nb_ops = [
("NB_ADD", "+"),