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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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3
dll/kernel32/wow64apiset.cpp
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@@ -7,6 +7,7 @@
namespace kernel32 {
BOOL WIN_FUNC Wow64DisableWow64FsRedirection(PVOID *OldValue) {
WIN_API_SEGMENT_GUARD();
DEBUG_LOG("STUB: Wow64DisableWow64FsRedirection(%p)\n", OldValue);
if (OldValue) {
*OldValue = nullptr;
@@ -16,6 +17,7 @@ BOOL WIN_FUNC Wow64DisableWow64FsRedirection(PVOID *OldValue) {
}
BOOL WIN_FUNC Wow64RevertWow64FsRedirection(PVOID OldValue) {
WIN_API_SEGMENT_GUARD();
DEBUG_LOG("STUB: Wow64RevertWow64FsRedirection(%p)\n", OldValue);
(void)OldValue;
wibo::lastError = ERROR_SUCCESS;
@@ -23,6 +25,7 @@ BOOL WIN_FUNC Wow64RevertWow64FsRedirection(PVOID OldValue) {
}
BOOL WIN_FUNC IsWow64Process(HANDLE hProcess, PBOOL Wow64Process) {
WIN_API_SEGMENT_GUARD();
DEBUG_LOG("IsWow64Process(%p, %p)\n", hProcess, Wow64Process);
if (!Wow64Process) {
wibo::lastError = ERROR_INVALID_PARAMETER;