diff options
Diffstat (limited to 'Python/ceval.c')
| -rw-r--r-- | Python/ceval.c | 48 |
1 files changed, 21 insertions, 27 deletions
diff --git a/Python/ceval.c b/Python/ceval.c index a396e81..11ad1fe 100644 --- a/Python/ceval.c +++ b/Python/ceval.c @@ -62,7 +62,7 @@ static int import_all_from(PyObject *, PyObject *); static void format_exc_check_arg(PyObject *, const char *, PyObject *); static void format_exc_unbound(PyCodeObject *co, int oparg); static PyObject * unicode_concatenate(PyObject *, PyObject *, - PyFrameObject *, const unsigned short *); + PyFrameObject *, const _Py_CODEUNIT *); static PyObject * special_lookup(PyObject *, _Py_Identifier *); #define NAME_ERROR_MSG \ @@ -725,7 +725,7 @@ _PyEval_EvalFrameDefault(PyFrameObject *f, int throwflag) int lastopcode = 0; #endif PyObject **stack_pointer; /* Next free slot in value stack */ - const unsigned short *next_instr; + const _Py_CODEUNIT *next_instr; int opcode; /* Current opcode */ int oparg; /* Current opcode argument, if any */ enum why_code why; /* Reason for block stack unwind */ @@ -743,7 +743,7 @@ _PyEval_EvalFrameDefault(PyFrameObject *f, int throwflag) time it is tested. */ int instr_ub = -1, instr_lb = 0, instr_prev = -1; - const unsigned short *first_instr; + const _Py_CODEUNIT *first_instr; PyObject *names; PyObject *consts; @@ -864,23 +864,16 @@ _PyEval_EvalFrameDefault(PyFrameObject *f, int throwflag) /* Code access macros */ -#ifdef WORDS_BIGENDIAN - #define OPCODE(word) ((word) >> 8) - #define OPARG(word) ((word) & 255) -#else - #define OPCODE(word) ((word) & 255) - #define OPARG(word) ((word) >> 8) -#endif /* The integer overflow is checked by an assertion below. */ -#define INSTR_OFFSET() (2*(int)(next_instr - first_instr)) +#define INSTR_OFFSET() (sizeof(_Py_CODEUNIT) * (int)(next_instr - first_instr)) #define NEXTOPARG() do { \ - unsigned short word = *next_instr; \ - opcode = OPCODE(word); \ - oparg = OPARG(word); \ + _Py_CODEUNIT word = *next_instr; \ + opcode = _Py_OPCODE(word); \ + oparg = _Py_OPARG(word); \ next_instr++; \ } while (0) -#define JUMPTO(x) (next_instr = first_instr + (x)/2) -#define JUMPBY(x) (next_instr += (x)/2) +#define JUMPTO(x) (next_instr = first_instr + (x) / sizeof(_Py_CODEUNIT)) +#define JUMPBY(x) (next_instr += (x) / sizeof(_Py_CODEUNIT)) /* OpCode prediction macros Some opcodes tend to come in pairs thus making it possible to @@ -913,10 +906,10 @@ _PyEval_EvalFrameDefault(PyFrameObject *f, int throwflag) #else #define PREDICT(op) \ do{ \ - unsigned short word = *next_instr; \ - opcode = OPCODE(word); \ + _Py_CODEUNIT word = *next_instr; \ + opcode = _Py_OPCODE(word); \ if (opcode == op){ \ - oparg = OPARG(word); \ + oparg = _Py_OPARG(word); \ next_instr++; \ goto PRED_##op; \ } \ @@ -1056,9 +1049,9 @@ _PyEval_EvalFrameDefault(PyFrameObject *f, int throwflag) freevars = f->f_localsplus + co->co_nlocals; assert(PyBytes_Check(co->co_code)); assert(PyBytes_GET_SIZE(co->co_code) <= INT_MAX); - assert(PyBytes_GET_SIZE(co->co_code) % 2 == 0); - assert(_Py_IS_ALIGNED(PyBytes_AS_STRING(co->co_code), 2)); - first_instr = (unsigned short*) PyBytes_AS_STRING(co->co_code); + assert(PyBytes_GET_SIZE(co->co_code) % sizeof(_Py_CODEUNIT) == 0); + assert(_Py_IS_ALIGNED(PyBytes_AS_STRING(co->co_code), sizeof(_Py_CODEUNIT))); + first_instr = (_Py_CODEUNIT *) PyBytes_AS_STRING(co->co_code); /* f->f_lasti refers to the index of the last instruction, unless it's -1 in which case next_instr should be first_instr. @@ -1074,10 +1067,11 @@ _PyEval_EvalFrameDefault(PyFrameObject *f, int throwflag) FOR_ITER is effectively a single opcode and f->f_lasti will point to the beginning of the combined pair.) */ + assert(f->f_lasti >= -1); next_instr = first_instr; if (f->f_lasti >= 0) { - assert(f->f_lasti % 2 == 0); - next_instr += f->f_lasti/2 + 1; + assert(f->f_lasti % sizeof(_Py_CODEUNIT) == 0); + next_instr += f->f_lasti / sizeof(_Py_CODEUNIT) + 1; } stack_pointer = f->f_stacktop; assert(stack_pointer != NULL); @@ -1125,7 +1119,7 @@ _PyEval_EvalFrameDefault(PyFrameObject *f, int throwflag) Py_MakePendingCalls() above. */ if (_Py_atomic_load_relaxed(&eval_breaker)) { - if (OPCODE(*next_instr) == SETUP_FINALLY) { + if (_Py_OPCODE(*next_instr) == SETUP_FINALLY) { /* Make the last opcode before a try: finally: block uninterruptible. */ goto fast_next_opcode; @@ -2049,7 +2043,7 @@ _PyEval_EvalFrameDefault(PyFrameObject *f, int throwflag) f->f_stacktop = stack_pointer; why = WHY_YIELD; /* and repeat... */ - f->f_lasti -= 2; + f->f_lasti -= sizeof(_Py_CODEUNIT); goto fast_yield; } @@ -5321,7 +5315,7 @@ format_exc_unbound(PyCodeObject *co, int oparg) static PyObject * unicode_concatenate(PyObject *v, PyObject *w, - PyFrameObject *f, const unsigned short *next_instr) + PyFrameObject *f, const _Py_CODEUNIT *next_instr) { PyObject *res; if (Py_REFCNT(v) == 2) { |