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Common: Add proper macros to test for architecture pointer size

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The old system of just defining macros available in some other platform
was susceptible to silently using the wrong code if you forgot to
include a particular header. This fixes a crash on non-Windows platforms
introduced by e1fbac3ca1.
This commit is contained in:
Yuri Kunde Schlesner
2015-05-07 18:17:33 -03:00
parent 4f4d230dac
commit fae5933ad6
5 changed files with 11 additions and 17 deletions
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9
src/common/mem_arena.cpp
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@ -20,6 +20,7 @@
#include "common/logging/log.h"
#include "common/mem_arena.h"
#include "common/memory_util.h"
#include "common/platform.h"
#include "common/string_util.h"
#ifndef _WIN32
@ -198,7 +199,7 @@ void MemArena::ReleaseView(void* view, size_t size)
u8* MemArena::Find4GBBase()
{
#ifdef _M_X64
#if EMU_ARCH_BITS == 64
#ifdef _WIN32
// 64 bit
u8* base = (u8*)VirtualAlloc(0, 0xE1000000, MEM_RESERVE, PAGE_READWRITE);
@ -269,7 +270,7 @@ static bool Memory_TryBase(u8 *base, const MemoryView *views, int num_views, u32
if (!*view.out_ptr_low)
goto bail;
}
#ifdef _M_X64
#if EMU_ARCH_BITS == 64
*view.out_ptr = (u8*)arena->CreateView(
position, view.size, base + view.virtual_address);
#else
@ -305,7 +306,7 @@ bail:
}
if (*views[j].out_ptr)
{
#ifdef _M_X64
#if EMU_ARCH_BITS == 64
arena->ReleaseView(*views[j].out_ptr, views[j].size);
#else
if (!(views[j].flags & MV_MIRROR_PREVIOUS))
@ -336,7 +337,7 @@ u8 *MemoryMap_Setup(const MemoryView *views, int num_views, u32 flags, MemArena
arena->GrabLowMemSpace(total_mem);
// Now, create views in high memory where there's plenty of space.
#ifdef _M_X64
#if EMU_ARCH_BITS == 64
u8 *base = MemArena::Find4GBBase();
// This really shouldn't fail - in 64-bit, there will always be enough
// address space.