Author: Edd Barrett <vex...@gmail.com>
Branch: asmmemmgr-for-code-only
Changeset: r86748:bb2143405c5f
Date: 2016-08-30 17:31 +0100
http://bitbucket.org/pypy/pypy/changeset/bb2143405c5f/
Log: Another W^X site.
diff --git a/rpython/jit/backend/llsupport/gcreftracer.py
b/rpython/jit/backend/llsupport/gcreftracer.py
--- a/rpython/jit/backend/llsupport/gcreftracer.py
+++ b/rpython/jit/backend/llsupport/gcreftracer.py
@@ -1,4 +1,4 @@
-from rpython.rlib import rgc
+from rpython.rlib import rgc, rmmap
from rpython.rtyper.lltypesystem import lltype, llmemory, rffi
from rpython.rtyper.lltypesystem.lloperation import llop
from rpython.jit.backend.llsupport.symbolic import WORD
@@ -33,10 +33,13 @@
tr.array_base_addr = array_base_addr
tr.array_length = length
i = 0
+ array_base_addr_p = rffi.cast(rffi.CCHARP, array_base_addr)
+ rmmap.set_pages_writable(array_base_addr_p, length)
while i < length:
p = rffi.cast(rffi.SIGNEDP, array_base_addr + i * WORD)
p[0] = rffi.cast(lltype.Signed, gcrefs[i])
i += 1
+ rmmap.set_pages_executable(array_base_addr_p, length)
llop.gc_writebarrier(lltype.Void, tr)
# --no GC until here--
return tr
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