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Save/restore fs/gs segments when re-entering host code

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This commit is contained in:
Luke Street
2025-10-05 13:58:40 -06:00
parent 04516b246c
commit cd7baffc5e
44 changed files with 669 additions and 20 deletions
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11
dll/kernel32/memoryapi.cpp
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@@ -462,6 +462,7 @@ namespace kernel32 {
HANDLE WIN_FUNC CreateFileMappingA(HANDLE hFile, LPSECURITY_ATTRIBUTES lpFileMappingAttributes, DWORD flProtect,
DWORD dwMaximumSizeHigh, DWORD dwMaximumSizeLow, LPCSTR lpName) {
WIN_API_SEGMENT_GUARD();
DEBUG_LOG("CreateFileMappingA(%p, %p, %u, %u, %u, %s)\n", hFile, lpFileMappingAttributes, flProtect,
dwMaximumSizeHigh, dwMaximumSizeLow, lpName ? lpName : "(null)");
(void)lpFileMappingAttributes;
@@ -513,6 +514,7 @@ HANDLE WIN_FUNC CreateFileMappingA(HANDLE hFile, LPSECURITY_ATTRIBUTES lpFileMap
HANDLE WIN_FUNC CreateFileMappingW(HANDLE hFile, LPSECURITY_ATTRIBUTES lpFileMappingAttributes, DWORD flProtect,
DWORD dwMaximumSizeHigh, DWORD dwMaximumSizeLow, LPCWSTR lpName) {
WIN_API_SEGMENT_GUARD();
DEBUG_LOG("CreateFileMappingW -> ");
std::string name = wideStringToString(lpName);
return CreateFileMappingA(hFile, lpFileMappingAttributes, flProtect, dwMaximumSizeHigh, dwMaximumSizeLow,
@@ -659,6 +661,7 @@ static LPVOID mapViewOfFileInternal(Pin<MappingObject> mapping, DWORD dwDesiredA
LPVOID WIN_FUNC MapViewOfFile(HANDLE hFileMappingObject, DWORD dwDesiredAccess, DWORD dwFileOffsetHigh,
DWORD dwFileOffsetLow, SIZE_T dwNumberOfBytesToMap) {
WIN_API_SEGMENT_GUARD();
DEBUG_LOG("MapViewOfFile(%p, 0x%x, %u, %u, %zu)\n", hFileMappingObject, dwDesiredAccess, dwFileOffsetHigh,
dwFileOffsetLow, dwNumberOfBytesToMap);
@@ -673,6 +676,7 @@ LPVOID WIN_FUNC MapViewOfFile(HANDLE hFileMappingObject, DWORD dwDesiredAccess,
LPVOID WIN_FUNC MapViewOfFileEx(HANDLE hFileMappingObject, DWORD dwDesiredAccess, DWORD dwFileOffsetHigh,
DWORD dwFileOffsetLow, SIZE_T dwNumberOfBytesToMap, LPVOID lpBaseAddress) {
WIN_API_SEGMENT_GUARD();
DEBUG_LOG("MapViewOfFileEx(%p, 0x%x, %u, %u, %zu, %p)\n", hFileMappingObject, dwDesiredAccess, dwFileOffsetHigh,
dwFileOffsetLow, dwNumberOfBytesToMap, lpBaseAddress);
@@ -686,6 +690,7 @@ LPVOID WIN_FUNC MapViewOfFileEx(HANDLE hFileMappingObject, DWORD dwDesiredAccess
}
BOOL WIN_FUNC UnmapViewOfFile(LPCVOID lpBaseAddress) {
WIN_API_SEGMENT_GUARD();
DEBUG_LOG("UnmapViewOfFile(%p)\n", lpBaseAddress);
std::unique_lock lk(g_viewInfoMutex);
auto it = g_viewInfo.find(reinterpret_cast<uintptr_t>(lpBaseAddress));
@@ -705,6 +710,7 @@ BOOL WIN_FUNC UnmapViewOfFile(LPCVOID lpBaseAddress) {
}
LPVOID WIN_FUNC VirtualAlloc(LPVOID lpAddress, SIZE_T dwSize, DWORD flAllocationType, DWORD flProtect) {
WIN_API_SEGMENT_GUARD();
DEBUG_LOG("VirtualAlloc(%p, %zu, %u, %u)\n", lpAddress, dwSize, flAllocationType, flProtect);
if (dwSize == 0) {
@@ -894,6 +900,7 @@ LPVOID WIN_FUNC VirtualAlloc(LPVOID lpAddress, SIZE_T dwSize, DWORD flAllocation
}
BOOL WIN_FUNC VirtualFree(LPVOID lpAddress, SIZE_T dwSize, DWORD dwFreeType) {
WIN_API_SEGMENT_GUARD();
DEBUG_LOG("VirtualFree(%p, %zu, %u)\n", lpAddress, dwSize, dwFreeType);
if (!lpAddress) {
wibo::lastError = ERROR_INVALID_ADDRESS;
@@ -986,6 +993,7 @@ BOOL WIN_FUNC VirtualFree(LPVOID lpAddress, SIZE_T dwSize, DWORD dwFreeType) {
}
BOOL WIN_FUNC VirtualProtect(LPVOID lpAddress, SIZE_T dwSize, DWORD flNewProtect, PDWORD lpflOldProtect) {
WIN_API_SEGMENT_GUARD();
DEBUG_LOG("VirtualProtect(%p, %zu, %u)\n", lpAddress, dwSize, flNewProtect);
if (!lpAddress || dwSize == 0) {
wibo::lastError = ERROR_INVALID_PARAMETER;
@@ -1045,6 +1053,7 @@ BOOL WIN_FUNC VirtualProtect(LPVOID lpAddress, SIZE_T dwSize, DWORD flNewProtect
}
SIZE_T WIN_FUNC VirtualQuery(LPCVOID lpAddress, PMEMORY_BASIC_INFORMATION lpBuffer, SIZE_T dwLength) {
WIN_API_SEGMENT_GUARD();
DEBUG_LOG("VirtualQuery(%p, %p, %zu)\n", lpAddress, lpBuffer, dwLength);
if (!lpBuffer || dwLength < sizeof(MEMORY_BASIC_INFORMATION)) {
wibo::lastError = ERROR_INVALID_PARAMETER;
@@ -1086,6 +1095,7 @@ SIZE_T WIN_FUNC VirtualQuery(LPCVOID lpAddress, PMEMORY_BASIC_INFORMATION lpBuff
BOOL WIN_FUNC GetProcessWorkingSetSize(HANDLE hProcess, PSIZE_T lpMinimumWorkingSetSize,
PSIZE_T lpMaximumWorkingSetSize) {
WIN_API_SEGMENT_GUARD();
DEBUG_LOG("GetProcessWorkingSetSize(%p, %p, %p)\n", hProcess, lpMinimumWorkingSetSize, lpMaximumWorkingSetSize);
(void)hProcess;
if (!lpMinimumWorkingSetSize || !lpMaximumWorkingSetSize) {
@@ -1100,6 +1110,7 @@ BOOL WIN_FUNC GetProcessWorkingSetSize(HANDLE hProcess, PSIZE_T lpMinimumWorking
BOOL WIN_FUNC SetProcessWorkingSetSize(HANDLE hProcess, SIZE_T dwMinimumWorkingSetSize,
SIZE_T dwMaximumWorkingSetSize) {
WIN_API_SEGMENT_GUARD();
DEBUG_LOG("SetProcessWorkingSetSize(%p, %zu, %zu)\n", hProcess, dwMinimumWorkingSetSize, dwMaximumWorkingSetSize);
(void)hProcess;
(void)dwMinimumWorkingSetSize;