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-rw-r--r--Python/ceval.c71
1 files changed, 37 insertions, 34 deletions
diff --git a/Python/ceval.c b/Python/ceval.c
index 5384aac5d6e..cb739c1572d 100644
--- a/Python/ceval.c
+++ b/Python/ceval.c
@@ -58,12 +58,10 @@ static int prtrace(PyThreadState *, PyObject *, const char *);
static void lltrace_instruction(_PyInterpreterFrame *frame, int opcode, int oparg)
{
if (HAS_ARG(opcode)) {
- printf("%d: %d, %d\n",
- frame->f_lasti, opcode, oparg);
+ printf("%d: %d, %d\n", _PyInterpreterFrame_LASTI(frame), opcode, oparg);
}
else {
- printf("%d: %d\n",
- frame->f_lasti, opcode);
+ printf("%d: %d\n", _PyInterpreterFrame_LASTI(frame), opcode);
}
}
#endif
@@ -1249,14 +1247,13 @@ eval_frame_handle_pending(PyThreadState *tstate)
#ifdef Py_STATS
#define INSTRUCTION_START(op) \
do { \
- frame->f_lasti = INSTR_OFFSET(); \
- next_instr++; \
+ frame->prev_instr = next_instr++; \
OPCODE_EXE_INC(op); \
_py_stats.opcode_stats[lastopcode].pair_count[op]++; \
lastopcode = op; \
} while (0)
#else
-#define INSTRUCTION_START(op) frame->f_lasti = INSTR_OFFSET(); next_instr++
+#define INSTRUCTION_START(op) (frame->prev_instr = next_instr++)
#endif
#if USE_COMPUTED_GOTOS
@@ -1646,9 +1643,9 @@ _PyEval_EvalFrameDefault(PyThreadState *tstate, _PyInterpreterFrame *frame, int
consts = co->co_consts; \
first_instr = _PyCode_CODE(co); \
} \
- assert(frame->f_lasti >= -1); \
+ assert(_PyInterpreterFrame_LASTI(frame) >= -1); \
/* Jump back to the last instruction executed... */ \
- next_instr = first_instr + frame->f_lasti + 1; \
+ next_instr = frame->prev_instr + 1; \
stack_pointer = _PyFrame_GetStackPointer(frame); \
/* Set stackdepth to -1. \
Update when returning or calling trace function. \
@@ -2204,7 +2201,8 @@ handle_eval_breaker:
new_frame->localsplus[i] = NULL;
}
_PyFrame_SetStackPointer(frame, stack_pointer);
- frame->f_lasti += INLINE_CACHE_ENTRIES_BINARY_SUBSCR;
+ JUMPBY(INLINE_CACHE_ENTRIES_BINARY_SUBSCR);
+ frame->prev_instr = next_instr - 1;
new_frame->previous = frame;
frame = cframe.current_frame = new_frame;
CALL_STAT_INC(inlined_py_calls);
@@ -2605,7 +2603,7 @@ handle_eval_breaker:
if (oparg) {
PyObject *lasti = PEEK(oparg + 1);
if (PyLong_Check(lasti)) {
- frame->f_lasti = PyLong_AsLong(lasti);
+ frame->prev_instr = first_instr + PyLong_AsLong(lasti);
assert(!_PyErr_Occurred(tstate));
}
else {
@@ -4603,7 +4601,8 @@ handle_eval_breaker:
goto error;
}
_PyFrame_SetStackPointer(frame, stack_pointer);
- frame->f_lasti += INLINE_CACHE_ENTRIES_CALL;
+ JUMPBY(INLINE_CACHE_ENTRIES_CALL);
+ frame->prev_instr = next_instr - 1;
new_frame->previous = frame;
cframe.current_frame = frame = new_frame;
CALL_STAT_INC(inlined_py_calls);
@@ -4708,7 +4707,8 @@ handle_eval_breaker:
}
STACK_SHRINK(2-is_meth);
_PyFrame_SetStackPointer(frame, stack_pointer);
- frame->f_lasti += INLINE_CACHE_ENTRIES_CALL;
+ JUMPBY(INLINE_CACHE_ENTRIES_CALL);
+ frame->prev_instr = next_instr - 1;
new_frame->previous = frame;
frame = cframe.current_frame = new_frame;
goto start_frame;
@@ -4748,7 +4748,8 @@ handle_eval_breaker:
}
STACK_SHRINK(2-is_meth);
_PyFrame_SetStackPointer(frame, stack_pointer);
- frame->f_lasti += INLINE_CACHE_ENTRIES_CALL;
+ JUMPBY(INLINE_CACHE_ENTRIES_CALL);
+ frame->prev_instr = next_instr - 1;
new_frame->previous = frame;
frame = cframe.current_frame = new_frame;
goto start_frame;
@@ -5435,8 +5436,8 @@ handle_eval_breaker:
#endif
{
if (tstate->tracing == 0) {
- int instr_prev = frame->f_lasti;
- frame->f_lasti = INSTR_OFFSET();
+ int instr_prev = _PyInterpreterFrame_LASTI(frame);
+ frame->prev_instr = next_instr;
TRACING_NEXTOPARG();
switch(opcode) {
case COPY_FREE_VARS:
@@ -5474,7 +5475,7 @@ handle_eval_breaker:
goto error;
}
/* Reload possibly changed frame fields */
- JUMPTO(frame->f_lasti);
+ next_instr = frame->prev_instr;
stack_pointer = _PyFrame_GetStackPointer(frame);
frame->stacktop = -1;
@@ -5491,10 +5492,8 @@ handle_eval_breaker:
#else
default:
#endif
- fprintf(stderr,
- "XXX lineno: %d, opcode: %d\n",
- PyCode_Addr2Line(frame->f_code, frame->f_lasti*sizeof(_Py_CODEUNIT)),
- opcode);
+ fprintf(stderr, "XXX lineno: %d, opcode: %d\n",
+ _PyInterpreterFrame_GetLine(frame), opcode);
_PyErr_SetString(tstate, PyExc_SystemError, "unknown opcode");
goto error;
@@ -5598,7 +5597,8 @@ exception_unwind:
}
PyObject *exc, *val, *tb;
if (lasti) {
- PyObject *lasti = PyLong_FromLong(frame->f_lasti);
+ int frame_lasti = _PyInterpreterFrame_LASTI(frame);
+ PyObject *lasti = PyLong_FromLong(frame_lasti);
if (lasti == NULL) {
goto exception_unwind;
}
@@ -6690,9 +6690,10 @@ call_trace(Py_tracefunc func, PyObject *obj,
int old_what = tstate->tracing_what;
tstate->tracing_what = what;
PyThreadState_EnterTracing(tstate);
- assert(frame->f_lasti >= 0);
+ assert(_PyInterpreterFrame_LASTI(frame) >= 0);
initialize_trace_info(&tstate->trace_info, frame);
- f->f_lineno = _PyCode_CheckLineNumber(frame->f_lasti*sizeof(_Py_CODEUNIT), &tstate->trace_info.bounds);
+ int addr = _PyInterpreterFrame_LASTI(frame) * sizeof(_Py_CODEUNIT);
+ f->f_lineno = _PyCode_CheckLineNumber(addr, &tstate->trace_info.bounds);
result = func(obj, f, what, arg);
f->f_lineno = 0;
PyThreadState_LeaveTracing(tstate);
@@ -6742,7 +6743,8 @@ maybe_call_line_trace(Py_tracefunc func, PyObject *obj,
else {
lastline = _PyCode_CheckLineNumber(instr_prev*sizeof(_Py_CODEUNIT), &tstate->trace_info.bounds);
}
- int line = _PyCode_CheckLineNumber(frame->f_lasti*sizeof(_Py_CODEUNIT), &tstate->trace_info.bounds);
+ int addr = _PyInterpreterFrame_LASTI(frame) * sizeof(_Py_CODEUNIT);
+ int line = _PyCode_CheckLineNumber(addr, &tstate->trace_info.bounds);
PyFrameObject *f = _PyFrame_GetFrameObject(frame);
if (f == NULL) {
return -1;
@@ -6750,10 +6752,10 @@ maybe_call_line_trace(Py_tracefunc func, PyObject *obj,
if (line != -1 && f->f_trace_lines) {
/* Trace backward edges (except in 'yield from') or if line number has changed */
int trace = line != lastline ||
- (frame->f_lasti < instr_prev &&
- // SEND has no quickened forms, so no need to use _PyOpcode_Deopt
- // here:
- _Py_OPCODE(_PyCode_CODE(frame->f_code)[frame->f_lasti]) != SEND);
+ (_PyInterpreterFrame_LASTI(frame) < instr_prev &&
+ // SEND has no quickened forms, so no need to use _PyOpcode_Deopt
+ // here:
+ _Py_OPCODE(*frame->prev_instr) != SEND);
if (trace) {
result = call_trace(func, obj, tstate, frame, PyTrace_LINE, Py_None);
}
@@ -7685,7 +7687,7 @@ dtrace_function_entry(_PyInterpreterFrame *frame)
PyCodeObject *code = frame->f_code;
filename = PyUnicode_AsUTF8(code->co_filename);
funcname = PyUnicode_AsUTF8(code->co_name);
- lineno = PyCode_Addr2Line(frame->f_code, frame->f_lasti*sizeof(_Py_CODEUNIT));
+ lineno = _PyInterpreterFrame_GetLine(frame);
PyDTrace_FUNCTION_ENTRY(filename, funcname, lineno);
}
@@ -7700,7 +7702,7 @@ dtrace_function_return(_PyInterpreterFrame *frame)
PyCodeObject *code = frame->f_code;
filename = PyUnicode_AsUTF8(code->co_filename);
funcname = PyUnicode_AsUTF8(code->co_name);
- lineno = PyCode_Addr2Line(frame->f_code, frame->f_lasti*sizeof(_Py_CODEUNIT));
+ lineno = _PyInterpreterFrame_GetLine(frame);
PyDTrace_FUNCTION_RETURN(filename, funcname, lineno);
}
@@ -7718,11 +7720,12 @@ maybe_dtrace_line(_PyInterpreterFrame *frame,
*/
initialize_trace_info(trace_info, frame);
int lastline = _PyCode_CheckLineNumber(instr_prev*sizeof(_Py_CODEUNIT), &trace_info->bounds);
- int line = _PyCode_CheckLineNumber(frame->f_lasti*sizeof(_Py_CODEUNIT), &trace_info->bounds);
+ int addr = _PyInterpreterFrame_LASTI(frame) * sizeof(_Py_CODEUNIT);
+ int line = _PyCode_CheckLineNumber(addr, &trace_info->bounds);
if (line != -1) {
/* Trace backward edges or first instruction of a new line */
- if (frame->f_lasti < instr_prev ||
- (line != lastline && frame->f_lasti*sizeof(_Py_CODEUNIT) == (unsigned int)trace_info->bounds.ar_start))
+ if (_PyInterpreterFrame_LASTI(frame) < instr_prev ||
+ (line != lastline && addr == trace_info->bounds.ar_start))
{
co_filename = PyUnicode_AsUTF8(frame->f_code->co_filename);
if (!co_filename) {