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Rework guest memory tracking/virtual address space/direct and flexible memory (#135)

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* Rework guest memory tracking

* add unknwon flag

* Fix macOS guest address-space reservation
This commit is contained in:
nmzik
2026-07-31 03:07:17 +02:00
committed by GitHub
parent ecb48f90bb
commit 2f5396c6a5
28 changed files with 3155 additions and 2887 deletions
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src/common/virtualMemory.cpp
-19
View File
@@ -58,25 +58,6 @@ bool FlushInstructionCache(uint64_t address, uint64_t size) {
return SysVirtualFlushInstructionCache(address, size);
}
bool PatchReplace(uint64_t vaddr, uint64_t value) {
Mode old_mode {};
Protect(vaddr, 8, Mode::ReadWrite, &old_mode);
auto* ptr = reinterpret_cast<uint64_t*>(vaddr);
bool ret = (*ptr != value);
*ptr = value;
Protect(vaddr, 8, old_mode);
if (IsExecute(old_mode)) {
FlushInstructionCache(vaddr, 8);
}
return ret;
}
} // namespace VirtualMemory
} // namespace Common
src/common/virtualMemory.h
-1
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@@ -37,7 +37,6 @@ bool Free(uint64_t address);
bool FreeRange(uint64_t address, uint64_t size);
bool Protect(uint64_t address, uint64_t size, Mode mode, Mode* old_mode = nullptr);
bool FlushInstructionCache(uint64_t address, uint64_t size);
bool PatchReplace(uint64_t vaddr, uint64_t value);
} // namespace VirtualMemory