runtime/vm/virtual_memory.cc - Issue 136563002: Landing: Write protect executable pages in the VM.

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Unified Diff: runtime/vm/virtual_memory.cc

Issue 136563002: Landing: Write protect executable pages in the VM. (Closed) Base URL: http://dart.googlecode.com/svn/branches/bleeding_edge/dart/

Patch Set: Created 6 years, 10 months ago

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Index: runtime/vm/virtual_memory.cc

===================================================================

--- runtime/vm/virtual_memory.cc (revision 32487)

+++ runtime/vm/virtual_memory.cc (working copy)

@@ -9,6 +9,12 @@

namespace dart {

+bool VirtualMemory::InSamePage(uword address0, uword address1) {

+ return (Utils::RoundDown(address0, PageSize()) ==

+ Utils::RoundDown(address1, PageSize()));

VirtualMemory* VirtualMemory::ReserveAligned(intptr_t size,

intptr_t alignment) {

ASSERT((size & (PageSize() - 1)) == 0);

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