Author: hager <[email protected]> Branch: ppc-jit-backend Changeset: r50037:cfa0b6e8653e Date: 2011-12-01 14:40 +0100 http://bitbucket.org/pypy/pypy/changeset/cfa0b6e8653e/
Log: added new layout for PyPy stackframes diff --git a/pypy/jit/backend/ppc/ppcgen/test/test_stackframe.py b/pypy/jit/backend/ppc/ppcgen/test/test_stackframe.py new file mode 100644 --- /dev/null +++ b/pypy/jit/backend/ppc/ppcgen/test/test_stackframe.py @@ -0,0 +1,45 @@ +""" + + PyPy PPC Stackframe + + + --------------------------- -- + | | | + | FPR SAVE AREA | |>> len(NONVOLATILES_FPR) * WORD + | | | + --------------------------- -- + | | | + | GPR SAVE AREA | |>> len(NONVOLATILES) * WORD + | | | + --------------------------- -- + | | | + | FLOAT/INT CONVERSION | |>> ? * WORD + | | | + --------------------------- -- + | | | + | SPILLING AREA | |>> regalloc.frame_manager.frame_depth * WORD + | (LOCAL VARIABLE SPACE) | | + --------------------------- -- + | | | + | ENCODING AREA | |>> len(MANAGED_REGS) * WORD + | (ALLOCA AREA) | | + --------------------------- -- + | | | + | PARAMETER SAVE AREA | |>> use MAX(number of parameters + | | | passed on stack in emit_call) * WORD + --------------------------- -- + | TOC POINTER | WORD | + --------------------------- | + | < RESERVED > | WORD | + --------------------------- | + | < RESERVED > | WORD | + --------------------------- |>> 6 WORDS + | SAVED LR | WORD | + --------------------------- | + | SAVED CR | WORD | + --------------------------- | + | BACK CHAIN | WORD | + SP -> --------------------------- -- + + +""" _______________________________________________ pypy-commit mailing list [email protected] http://mail.python.org/mailman/listinfo/pypy-commit
