diff options
Diffstat (limited to 'Python/ceval.c')
| -rw-r--r-- | Python/ceval.c | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/Python/ceval.c b/Python/ceval.c index 56a3b12..e8534ec 100644 --- a/Python/ceval.c +++ b/Python/ceval.c @@ -775,6 +775,41 @@ handle_eval_breaker: #include "generated_cases.c.h" + /* INSTRUMENTED_LINE has to be here, rather than in bytecodes.c, + * because it needs to capture frame->prev_instr before it is updated, + * as happens in the standard instruction prologue. + */ +#if USE_COMPUTED_GOTOS + TARGET_INSTRUMENTED_LINE: +#else + case INSTRUMENTED_LINE: +#endif + { + _Py_CODEUNIT *prev = frame->prev_instr; + _Py_CODEUNIT *here = frame->prev_instr = next_instr; + _PyFrame_SetStackPointer(frame, stack_pointer); + int original_opcode = _Py_call_instrumentation_line( + tstate, frame, here, prev); + stack_pointer = _PyFrame_GetStackPointer(frame); + if (original_opcode < 0) { + next_instr = here+1; + goto error; + } + next_instr = frame->prev_instr; + if (next_instr != here) { + DISPATCH(); + } + if (_PyOpcode_Caches[original_opcode]) { + _PyBinaryOpCache *cache = (_PyBinaryOpCache *)(next_instr+1); + /* Prevent the underlying instruction from specializing + * and overwriting the instrumentation. */ + INCREMENT_ADAPTIVE_COUNTER(cache->counter); + } + opcode = original_opcode; + DISPATCH_GOTO(); + } + + #if USE_COMPUTED_GOTOS _unknown_opcode: #else |