Author: Carl Friedrich Bolz <[email protected]>
Branch: guard-compatible
Changeset: r83322:9ebf2fc754a2
Date: 2016-03-24 14:01 +0100
http://bitbucket.org/pypy/pypy/changeset/9ebf2fc754a2/
Log: inform valgrind of the patching
diff --git a/rpython/jit/backend/x86/guard_compat.py
b/rpython/jit/backend/x86/guard_compat.py
--- a/rpython/jit/backend/x86/guard_compat.py
+++ b/rpython/jit/backend/x86/guard_compat.py
@@ -2,7 +2,7 @@
from rpython.rlib.objectmodel import we_are_translated
from rpython.rtyper.lltypesystem import lltype, rffi
from rpython.jit.backend.x86.arch import WORD, IS_X86_32, IS_X86_64
-from rpython.jit.backend.x86 import rx86, codebuf
+from rpython.jit.backend.x86 import rx86, codebuf, valgrind
from rpython.jit.backend.x86.regloc import X86_64_SCRATCH_REG, imm, eax, edx
from rpython.jit.backend.llsupport.asmmemmgr import MachineDataBlockWrapper
from rpython.jit.metainterp.compile import GuardCompatibleDescr
@@ -136,6 +136,7 @@
# the old 'compatinfo' is not used any more, but will only be freed
# when the looptoken is freed
compatinfop[0] = rffi.cast(rffi.VOIDP, newcompatinfo)
+ valgrind.discard_translations(rffi.cast(lltype.Signed, compatinfop), WORD)
# the machine code is not updated here. We leave it to the actual
# guard_compatible to update it if needed.
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