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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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11
Source/Core/Common/Src/MemArena.cpp
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@ -58,19 +58,12 @@ void MemArena::ReleaseSpace()
}
void* MemArena::CreateView(s64 offset, size_t size, bool ensure_low_mem)
void* MemArena::CreateView(s64 offset, size_t size)
{
#ifdef _WIN32
return MapViewOfFile(hMemoryMapping, FILE_MAP_ALL_ACCESS, 0, (DWORD)((u64)offset), size);
#else
void* ptr = mmap(0, size,
PROT_READ | PROT_WRITE,
MAP_SHARED
#ifdef __x86_64__
| (ensure_low_mem ? MAP_32BIT : 0)
#endif
, fd, offset);
return ptr;
return mmap(0, size, PROT_READ | PROT_WRITE, MAP_SHARED, fd, offset);
#endif
}