diff options
Diffstat (limited to 'Python/generated_cases.c.h')
| -rw-r--r-- | Python/generated_cases.c.h | 156 |
1 files changed, 156 insertions, 0 deletions
diff --git a/Python/generated_cases.c.h b/Python/generated_cases.c.h index 027849180a8..cbb07a89d7d 100644 --- a/Python/generated_cases.c.h +++ b/Python/generated_cases.c.h @@ -8,6 +8,13 @@ #endif #define TIER_ONE 1 +#if !USE_COMPUTED_GOTOS + dispatch_opcode: + switch (opcode) +#endif + { + /* BEGIN INSTRUCTIONS */ + TARGET(BINARY_OP) { frame->instr_ptr = next_instr; @@ -8421,4 +8428,153 @@ assert(WITHIN_STACK_BOUNDS()); DISPATCH(); } + + /* END INSTRUCTIONS */ +#if USE_COMPUTED_GOTOS + _unknown_opcode: +#else + EXTRA_CASES // From pycore_opcode_metadata.h, a 'case' for each unused opcode +#endif + /* Tell C compilers not to hold the opcode variable in the loop. + next_instr points the current instruction without TARGET(). */ + opcode = next_instr->op.code; + _PyErr_Format(tstate, PyExc_SystemError, + "%U:%d: unknown opcode %d", + _PyFrame_GetCode(frame)->co_filename, + PyUnstable_InterpreterFrame_GetLine(frame), + opcode); + goto error; + + } + + /* This should never be reached. Every opcode should end with DISPATCH() + or goto error. */ + Py_UNREACHABLE(); + /* BEGIN LABELS */ + + pop_4_error: + { + STACK_SHRINK(1); + goto pop_3_error; + } + + pop_3_error: + { + STACK_SHRINK(1); + goto pop_2_error; + } + + pop_2_error: + { + STACK_SHRINK(1); + goto pop_1_error; + } + + pop_1_error: + { + STACK_SHRINK(1); + goto error; + } + + error: + { + /* Double-check exception status. */ + #ifdef NDEBUG + if (!_PyErr_Occurred(tstate)) { + _PyErr_SetString(tstate, PyExc_SystemError, + "error return without exception set"); + } + #else + assert(_PyErr_Occurred(tstate)); + #endif + + /* Log traceback info. */ + assert(frame->owner != FRAME_OWNED_BY_INTERPRETER); + if (!_PyFrame_IsIncomplete(frame)) { + PyFrameObject *f = _PyFrame_GetFrameObject(frame); + if (f != NULL) { + PyTraceBack_Here(f); + } + } + _PyEval_MonitorRaise(tstate, frame, next_instr-1); + goto exception_unwind; + } + + exception_unwind: + { + /* We can't use frame->instr_ptr here, as RERAISE may have set it */ + int offset = INSTR_OFFSET()-1; + int level, handler, lasti; + if (get_exception_handler(_PyFrame_GetCode(frame), offset, &level, &handler, &lasti) == 0) { + // No handlers, so exit. + assert(_PyErr_Occurred(tstate)); + /* Pop remaining stack entries. */ + _PyStackRef *stackbase = _PyFrame_Stackbase(frame); + while (stack_pointer > stackbase) { + PyStackRef_XCLOSE(POP()); + } + assert(STACK_LEVEL() == 0); + _PyFrame_SetStackPointer(frame, stack_pointer); + monitor_unwind(tstate, frame, next_instr-1); + goto exit_unwind; + } + assert(STACK_LEVEL() >= level); + _PyStackRef *new_top = _PyFrame_Stackbase(frame) + level; + while (stack_pointer > new_top) { + PyStackRef_XCLOSE(POP()); + } + if (lasti) { + int frame_lasti = _PyInterpreterFrame_LASTI(frame); + PyObject *lasti = PyLong_FromLong(frame_lasti); + if (lasti == NULL) { + goto exception_unwind; + } + PUSH(PyStackRef_FromPyObjectSteal(lasti)); + } + /* Make the raw exception data + available to the handler, + so a program can emulate the + Python main loop. */ + PyObject *exc = _PyErr_GetRaisedException(tstate); + PUSH(PyStackRef_FromPyObjectSteal(exc)); + next_instr = _PyFrame_GetBytecode(frame) + handler; + if (monitor_handled(tstate, frame, next_instr, exc) < 0) { + goto exception_unwind; + } + /* Resume normal execution */ + #ifdef LLTRACE + if (frame->lltrace >= 5) { + lltrace_resume_frame(frame); + } + #endif + DISPATCH(); + } + + exit_unwind: + { + assert(_PyErr_Occurred(tstate)); + _Py_LeaveRecursiveCallPy(tstate); + assert(frame->owner != FRAME_OWNED_BY_INTERPRETER); + // GH-99729: We need to unlink the frame *before* clearing it: + _PyInterpreterFrame *dying = frame; + frame = tstate->current_frame = dying->previous; + _PyEval_FrameClearAndPop(tstate, dying); + frame->return_offset = 0; + if (frame->owner == FRAME_OWNED_BY_INTERPRETER) { + /* Restore previous frame and exit */ + tstate->current_frame = frame->previous; + tstate->c_recursion_remaining += PY_EVAL_C_STACK_UNITS; + return NULL; + } + goto resume_with_error; + } + + resume_with_error: + { + next_instr = frame->instr_ptr; + stack_pointer = _PyFrame_GetStackPointer(frame); + goto error; + } + +/* END LABELS */ #undef TIER_ONE |