Stowage/cpython
2
0
Fork 0
mirror of https://github.com/python/cpython.git synced 2026-05-03 00:58:30 +00:00
Code Issues Projects Releases Packages Wiki Activity

gh-143946: Show JitOptSymbol on abstract stack when set PYTHON_OPT_DEBUG > 4 (GH-143957)

Browse source
This commit is contained in:
Hai Zhu 2026-01-17 23:20:35 +08:00 • committed by GitHub
parent 7e28ae550f
commit 61ec66acd5
No known key found for this signature in database
GPG key ID: B5690EEEBB952194
5 changed files with 123 additions and 22 deletions
Download patch file Download diff file Expand all files Collapse all files

38
Python/optimizer_analysis.c
View file

@ -39,6 +39,7 @@
#ifdef Py_DEBUG
extern const char *_PyUOpName(int index);
extern void _PyUOpPrint(const _PyUOpInstruction *uop);
extern void _PyUOpSymPrint(JitOptRef ref);
static const char *const DEBUG_ENV = "PYTHON_OPT_DEBUG";
static inline int get_lltrace(void) {
char *uop_debug = Py_GETENV(DEBUG_ENV);
@ -50,6 +51,38 @@
}
#define DPRINTF(level, ...) \
if (get_lltrace() >= (level)) { printf(__VA_ARGS__); }
static void
dump_abstract_stack(_Py_UOpsAbstractFrame *frame, JitOptRef *stack_pointer)
{
JitOptRef *stack_base = frame->stack;
JitOptRef *locals_base = frame->locals;
printf(" locals=[");
for (JitOptRef *ptr = locals_base; ptr < stack_base; ptr++) {
if (ptr != locals_base) {
printf(", ");
}
_PyUOpSymPrint(*ptr);
}
printf("]\n");
if (stack_pointer < stack_base) {
printf(" stack=%d\n", (int)(stack_pointer - stack_base));
}
else {
printf(" stack=[");
for (JitOptRef *ptr = stack_base; ptr < stack_pointer; ptr++) {
if (ptr != stack_base) {
printf(", ");
}
_PyUOpSymPrint(*ptr);
}
printf("]\n");
}
fflush(stdout);
}
#else
#define DPRINTF(level, ...)
#endif
@ -383,7 +416,10 @@ optimize_uops(
if (get_lltrace() >= 3) {
printf("%4d abs: ", (int)(this_instr - trace));
_PyUOpPrint(this_instr);
printf(" ");
printf(" \n");
if (get_lltrace() >= 5 && !CURRENT_FRAME_IS_INIT_SHIM()) {
dump_abstract_stack(ctx->frame, stack_pointer);
}
}
#endif