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Allocate low executable memory on OS X as on Windows and Linux.

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Even with LoadStorePaired accounted for, there are still some
niggling 64-bit cleanliness bugs left that are not practical
to weed out on a single platform. We should probably have an
option to use >2GB memory only on all platforms for debugging.


git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@6792 8ced0084-cf51-0410-be5f-012b33b47a6e
This commit is contained in:
Soren Jorvang
2011-01-09 14:09:27 +00:00
parent f634d58035
commit d4158f076a
8 changed files with 55 additions and 149 deletions
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3
Source/Core/Common/Src/MemArena.h
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@ -27,14 +27,13 @@
// This class lets you create a block of anonymous RAM, and then arbitrarily map views into it.
// Multiple views can mirror the same section of the block, which makes it very convient for emulating
// memory mirrors.
// Pass ensure_low_mem = true to CreateView if you want arbitrarily positioned views to end up in the low 2GB.
class MemArena
{
public:
void GrabLowMemSpace(size_t size);
void ReleaseSpace();
void* CreateView(s64 offset, size_t size, bool ensure_low_mem = false);
void* CreateView(s64 offset, size_t size);
void* CreateViewAt(s64 offset, size_t size, void* base);
void ReleaseView(void* view, size_t size);