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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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17
dll/kernel32/libloaderapi.cpp
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@@ -31,6 +31,7 @@ HRSRC findResourceInternal(HMODULE hModule, const wibo::ResourceIdentifier &type
namespace kernel32 {
BOOL WIN_FUNC DisableThreadLibraryCalls(HMODULE hLibModule) {
WIN_API_SEGMENT_GUARD();
DEBUG_LOG("DisableThreadLibraryCalls(%p)\n", hLibModule);
if (!hLibModule) {
wibo::lastError = ERROR_INVALID_HANDLE;
@@ -50,6 +51,7 @@ BOOL WIN_FUNC DisableThreadLibraryCalls(HMODULE hLibModule) {
}
HMODULE WIN_FUNC GetModuleHandleA(LPCSTR lpModuleName) {
WIN_API_SEGMENT_GUARD();
DEBUG_LOG("GetModuleHandleA(%s)\n", lpModuleName);
const auto *module = wibo::findLoadedModule(lpModuleName);
if (!module) {
@@ -61,6 +63,7 @@ HMODULE WIN_FUNC GetModuleHandleA(LPCSTR lpModuleName) {
}
HMODULE WIN_FUNC GetModuleHandleW(LPCWSTR lpModuleName) {
WIN_API_SEGMENT_GUARD();
DEBUG_LOG("GetModuleHandleW -> ");
if (lpModuleName) {
const auto lpModuleNameA = wideStringToString(lpModuleName);
@@ -70,6 +73,7 @@ HMODULE WIN_FUNC GetModuleHandleW(LPCWSTR lpModuleName) {
}
DWORD WIN_FUNC GetModuleFileNameA(HMODULE hModule, LPSTR lpFilename, DWORD nSize) {
WIN_API_SEGMENT_GUARD();
DEBUG_LOG("GetModuleFileNameA(%p, %p, %u)\n", hModule, lpFilename, nSize);
if (!lpFilename) {
wibo::lastError = ERROR_INVALID_PARAMETER;
@@ -106,6 +110,7 @@ DWORD WIN_FUNC GetModuleFileNameA(HMODULE hModule, LPSTR lpFilename, DWORD nSize
}
DWORD WIN_FUNC GetModuleFileNameW(HMODULE hModule, LPWSTR lpFilename, DWORD nSize) {
WIN_API_SEGMENT_GUARD();
DEBUG_LOG("GetModuleFileNameW(%p, %s, %u)\n", hModule, wideStringToString(lpFilename).c_str(), nSize);
if (!lpFilename) {
wibo::lastError = ERROR_INVALID_PARAMETER;
@@ -147,6 +152,7 @@ DWORD WIN_FUNC GetModuleFileNameW(HMODULE hModule, LPWSTR lpFilename, DWORD nSiz
}
HRSRC WIN_FUNC FindResourceA(HMODULE hModule, LPCSTR lpName, LPCSTR lpType) {
WIN_API_SEGMENT_GUARD();
DEBUG_LOG("FindResourceA %p %p %p\n", hModule, lpName, lpType);
auto type = wibo::resourceIdentifierFromAnsi(lpType);
auto name = wibo::resourceIdentifierFromAnsi(lpName);
@@ -154,6 +160,7 @@ HRSRC WIN_FUNC FindResourceA(HMODULE hModule, LPCSTR lpName, LPCSTR lpType) {
}
HRSRC WIN_FUNC FindResourceExA(HMODULE hModule, LPCSTR lpType, LPCSTR lpName, WORD wLanguage) {
WIN_API_SEGMENT_GUARD();
DEBUG_LOG("FindResourceExA %p %p %p %u\n", hModule, lpName, lpType, wLanguage);
auto type = wibo::resourceIdentifierFromAnsi(lpType);
auto name = wibo::resourceIdentifierFromAnsi(lpName);
@@ -161,6 +168,7 @@ HRSRC WIN_FUNC FindResourceExA(HMODULE hModule, LPCSTR lpType, LPCSTR lpName, WO
}
HRSRC WIN_FUNC FindResourceW(HMODULE hModule, LPCWSTR lpName, LPCWSTR lpType) {
WIN_API_SEGMENT_GUARD();
DEBUG_LOG("FindResourceW %p\n", hModule);
auto type = wibo::resourceIdentifierFromWide(lpType);
auto name = wibo::resourceIdentifierFromWide(lpName);
@@ -168,6 +176,7 @@ HRSRC WIN_FUNC FindResourceW(HMODULE hModule, LPCWSTR lpName, LPCWSTR lpType) {
}
HRSRC WIN_FUNC FindResourceExW(HMODULE hModule, LPCWSTR lpType, LPCWSTR lpName, WORD wLanguage) {
WIN_API_SEGMENT_GUARD();
DEBUG_LOG("FindResourceExW %p %u\n", hModule, wLanguage);
auto type = wibo::resourceIdentifierFromWide(lpType);
auto name = wibo::resourceIdentifierFromWide(lpName);
@@ -175,6 +184,7 @@ HRSRC WIN_FUNC FindResourceExW(HMODULE hModule, LPCWSTR lpType, LPCWSTR lpName,
}
HGLOBAL WIN_FUNC LoadResource(HMODULE hModule, HRSRC hResInfo) {
WIN_API_SEGMENT_GUARD();
DEBUG_LOG("LoadResource %p %p\n", hModule, hResInfo);
if (!hResInfo) {
wibo::lastError = ERROR_RESOURCE_DATA_NOT_FOUND;
@@ -194,11 +204,13 @@ HGLOBAL WIN_FUNC LoadResource(HMODULE hModule, HRSRC hResInfo) {
}
LPVOID WIN_FUNC LockResource(HGLOBAL hResData) {
WIN_API_SEGMENT_GUARD();
DEBUG_LOG("LockResource(%p)\n", hResData);
return hResData;
}
DWORD WIN_FUNC SizeofResource(HMODULE hModule, HRSRC hResInfo) {
WIN_API_SEGMENT_GUARD();
DEBUG_LOG("SizeofResource(%p, %p)\n", hModule, hResInfo);
if (!hResInfo) {
wibo::lastError = ERROR_RESOURCE_DATA_NOT_FOUND;
@@ -218,6 +230,7 @@ DWORD WIN_FUNC SizeofResource(HMODULE hModule, HRSRC hResInfo) {
}
HMODULE WIN_FUNC LoadLibraryA(LPCSTR lpLibFileName) {
WIN_API_SEGMENT_GUARD();
DEBUG_LOG("LoadLibraryA(%s)\n", lpLibFileName);
const auto *info = wibo::loadModule(lpLibFileName);
if (!info) {
@@ -229,6 +242,7 @@ HMODULE WIN_FUNC LoadLibraryA(LPCSTR lpLibFileName) {
}
HMODULE WIN_FUNC LoadLibraryW(LPCWSTR lpLibFileName) {
WIN_API_SEGMENT_GUARD();
if (!lpLibFileName) {
return nullptr;
}
@@ -238,6 +252,7 @@ HMODULE WIN_FUNC LoadLibraryW(LPCWSTR lpLibFileName) {
}
HMODULE WIN_FUNC LoadLibraryExW(LPCWSTR lpLibFileName, HANDLE hFile, DWORD dwFlags) {
WIN_API_SEGMENT_GUARD();
assert(!hFile);
DEBUG_LOG("LoadLibraryExW(%x) -> ", dwFlags);
auto filename = wideStringToString(lpLibFileName);
@@ -245,6 +260,7 @@ HMODULE WIN_FUNC LoadLibraryExW(LPCWSTR lpLibFileName, HANDLE hFile, DWORD dwFla
}
BOOL WIN_FUNC FreeLibrary(HMODULE hLibModule) {
WIN_API_SEGMENT_GUARD();
DEBUG_LOG("FreeLibrary(%p)\n", hLibModule);
auto *info = wibo::moduleInfoFromHandle(hLibModule);
if (!info) {
@@ -256,6 +272,7 @@ BOOL WIN_FUNC FreeLibrary(HMODULE hLibModule) {
}
FARPROC WIN_FUNC GetProcAddress(HMODULE hModule, LPCSTR lpProcName) {
WIN_API_SEGMENT_GUARD();
FARPROC result;
const auto info = wibo::moduleInfoFromHandle(hModule);
if (!info) {