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gh-132744: Check recursion limit in CALL_PY_GENERAL (GH-132746)

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Ken Jin 2025-05-03 00:36:29 +08:00 • committed by GitHub
parent 987e45e632
commit ddac7ac59a
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GPG key ID: B5690EEEBB952194
9 changed files with 220 additions and 170 deletions
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7
Python/bytecodes.c
View file

@ -3858,6 +3858,7 @@ dummy_func(
unused/1 + // Skip over the counter
_CHECK_PEP_523 +
_CHECK_FUNCTION_VERSION +
_CHECK_RECURSION_REMAINING +
_PY_FRAME_GENERAL +
_SAVE_RETURN_OFFSET +
_PUSH_FRAME;
@ -3889,6 +3890,7 @@ dummy_func(
_CHECK_METHOD_VERSION +
_EXPAND_METHOD +
flush + // so that self is in the argument array
_CHECK_RECURSION_REMAINING +
_PY_FRAME_GENERAL +
_SAVE_RETURN_OFFSET +
_PUSH_FRAME;
@ -3967,6 +3969,9 @@ dummy_func(
PyFunctionObject *func = (PyFunctionObject *)callable_o;
PyCodeObject *code = (PyCodeObject *)func->func_code;
DEOPT_IF(!_PyThreadState_HasStackSpace(tstate, code->co_framesize));
}
op(_CHECK_RECURSION_REMAINING, (--)) {
DEOPT_IF(tstate->py_recursion_remaining <= 1);
}
@ -4008,6 +4013,7 @@ dummy_func(
_CHECK_FUNCTION_VERSION +
_CHECK_FUNCTION_EXACT_ARGS +
_CHECK_STACK_SPACE +
_CHECK_RECURSION_REMAINING +
_INIT_CALL_PY_EXACT_ARGS +
_SAVE_RETURN_OFFSET +
_PUSH_FRAME;
@ -4018,6 +4024,7 @@ dummy_func(
_CHECK_FUNCTION_VERSION +
_CHECK_FUNCTION_EXACT_ARGS +
_CHECK_STACK_SPACE +
_CHECK_RECURSION_REMAINING +
_INIT_CALL_PY_EXACT_ARGS +
_SAVE_RETURN_OFFSET +
_PUSH_FRAME;

4
Python/executor_cases.c.h generated
View file

@ -5094,6 +5094,10 @@
UOP_STAT_INC(uopcode, miss);
JUMP_TO_JUMP_TARGET();
}
break;
}
case _CHECK_RECURSION_REMAINING: {
if (tstate->py_recursion_remaining <= 1) {
UOP_STAT_INC(uopcode, miss);
JUMP_TO_JUMP_TARGET();

22
Python/generated_cases.c.h generated
View file

@ -1907,6 +1907,9 @@
assert(_PyOpcode_Deopt[opcode] == (CALL));
JUMP_TO_PREDICTED(CALL);
}
}
// _CHECK_RECURSION_REMAINING
{
if (tstate->py_recursion_remaining <= 1) {
UPDATE_MISS_STATS(CALL);
assert(_PyOpcode_Deopt[opcode] == (CALL));
@ -2022,6 +2025,14 @@
stack_pointer = _PyFrame_GetStackPointer(frame);
}
// flush
// _CHECK_RECURSION_REMAINING
{
if (tstate->py_recursion_remaining <= 1) {
UPDATE_MISS_STATS(CALL);
assert(_PyOpcode_Deopt[opcode] == (CALL));
JUMP_TO_PREDICTED(CALL);
}
}
// _PY_FRAME_GENERAL
{
args = &stack_pointer[-oparg];
@ -4168,6 +4179,9 @@
assert(_PyOpcode_Deopt[opcode] == (CALL));
JUMP_TO_PREDICTED(CALL);
}
}
// _CHECK_RECURSION_REMAINING
{
if (tstate->py_recursion_remaining <= 1) {
UPDATE_MISS_STATS(CALL);
assert(_PyOpcode_Deopt[opcode] == (CALL));
@ -4254,6 +4268,14 @@
JUMP_TO_PREDICTED(CALL);
}
}
// _CHECK_RECURSION_REMAINING
{
if (tstate->py_recursion_remaining <= 1) {
UPDATE_MISS_STATS(CALL);
assert(_PyOpcode_Deopt[opcode] == (CALL));
JUMP_TO_PREDICTED(CALL);
}
}
// _PY_FRAME_GENERAL
{
args = &stack_pointer[-oparg];

4
Python/optimizer_cases.c.h generated
View file

@ -1844,6 +1844,10 @@
break;
}
case _CHECK_RECURSION_REMAINING: {
break;
}
case _INIT_CALL_PY_EXACT_ARGS: {
JitOptSymbol **args;
JitOptSymbol *self_or_null;