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[PATCH 0/2] MR1135: msvcrt: _[w]putenv_s return value fix
by Piotr Caban (＠piotr) 21 Oct '22

21 Oct '22

-- https://gitlab.winehq.org/wine/wine/-/merge_requests/1135

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[PATCH v11 0/8] MR551: win32u: Complete support for display modes in nulldrv.
by Rémi Bernon (＠rbernon) 21 Oct '22

21 Oct '22

With this series it's now possible to run and pass `user32:monitor` and `user32:sysparams` tests with nulldrv, and so most `user32` tests (except for a few desktop cursor position tests). This still requires some prefix configuration to enable the nulldrv driver, or a change like https://gitlab.winehq.org/rbernon/wine/-/commit/753368ad0ec52f03f8d6e78ca79… to enable it when `DISPLAY` environment variable is unset. This then shows that some of the user32 tests are failing with winex11 but passing with nulldrv, as in https://gitlab.winehq.org/rbernon/wine/-/commit/6d5f4109a514a0dc266899fcacf…. -- v11: win32u: Read mode from the registry if GetCurrentDisplaySettings fails. win32u: Write display settings to the registry in apply_display_settings. win32u: Lock display devices while applying display settings. winemac.drv: Avoid calling back to win32u to find the primary adapter. winex11.drv: Avoid calling back to win32u to find the primary adapter. win32u: Add an is_primary parameter to ChangeDisplaySettings. win32u: Force update display cache after NtUserChangeDisplaySettingsEx. win32u: Add a BOOL force parameter to update_display_cache. https://gitlab.winehq.org/wine/wine/-/merge_requests/551

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[PATCH 0/1] MR1116: winemac.drv: Support non-primary adapters in ChangeDisplaySettings.
by Rémi Bernon (＠rbernon) 21 Oct '22

21 Oct '22

So we don't need to query back the primary adapter, helping https://gitlab.winehq.org/wine/wine/-/merge_requests/551. -- https://gitlab.winehq.org/wine/wine/-/merge_requests/1116

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[PATCH 0/3] MR1117: winex11.drv: Factor out id and primary adapter lookup.
by Rémi Bernon (＠rbernon) 21 Oct '22

21 Oct '22

Simplifying the code and avoiding the need to call back into win32u to get the primary adapter, for https://gitlab.winehq.org/wine/wine/-/merge_requests/551. -- https://gitlab.winehq.org/wine/wine/-/merge_requests/1117

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[PATCH v13 0/6] MR1120: Add support for localized functions in msvcrt dlls
by Bartosz Kosiorek (＠gang65) 21 Oct '22

21 Oct '22

-- v13: msvcrt: Add _ismbstrail_l implementation. msvcrt: Add _ismbslead_l implementation. msvcrt: fix error handling for _mbscmp_l msvcrt: Add _mbclen_l implementation. msvcrt: Add _mbsicmp_l implementation. msvcrt: Add _mbschr_l implementation. https://gitlab.winehq.org/wine/wine/-/merge_requests/1120

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[PATCH v12 0/6] MR1120: Add support for localized functions in msvcrt dlls
by Bartosz Kosiorek (＠gang65) 21 Oct '22

21 Oct '22

-- v12: msvcrt: Add _ismbstrail_l implementation. msvcrt: Add _ismbslead_l implementation. msvcrt: fix error handling for _mbscmp_l msvcrt: Add _mbclen_l implementation. msvcrt: Add _mbsicmp_l implementation. msvcrt: Add _mbschr_l implementation. https://gitlab.winehq.org/wine/wine/-/merge_requests/1120

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[PATCH 0/5] MR1134: ntdll: Use local unwinding reimplementations for Unix libraries on ARM/ARM64
by Martin Storsjö (＠mstorsjo) 21 Oct '22

21 Oct '22

Currently, unwinding the unix libraries (or full ELF builds) requires having libunwind available. When starting up a wine environment, an exception of type `RPC_S_SERVER_UNAVAILABLE` gets thrown - and if libunwind isn't available, this breaks the startup. Thus, currently on ARM/ARM64, libunwind is essentially mandatory. Additionally, at least on ARM, libunwind seems brittle (commits in latest git master breaks the unwinding use cases in Wine, see e.g. https://github.com/libunwind/libunwind/pull/203#issuecomment-984126066. This MR tries to resolve all of this, by including the preexisting DWARF parser from x86_64 in the aarch64 version too. This bit was mostly quite straightforward. For ARM, libunwind has currently relied on DWARF debug info in the `.debug_frame` section, since Linux on ARM doesn't use DWARF for runtime unwinding. This MR adds ARM EHABI unwind opcodes where necessary, and adds a local reimplementation of an ARM EHABI/EXIDX/EXTBL unwinder, similar to the DWARF one. With these changes, unwinding on both ARM and ARM64 seems to work fine, even without libunwind. See the individual commit messages for more commentary on the decisions taken so far (I've tried to write up all relevant considerations there - it's a fair amount of commentery). A couple open questions: - So far, the shared DWARF code was put in a header, `dwarf.h`. Do you want to make this a proper standalone `.c` file too? - I wrote the ARM EHABI unwind code mostly with `stdint.h` types like `uint32_t`(as it's in the ntdll/unix directory anyway), but I can rewrite it with `DWORD` or similar if that's preferred. - The ARM EHABI opcodes are enabled for `defined(__arm__) && defined(__ELF__) && defined(__GNUC__) && !defined(__SEH__) && !defined(__ARM_DWARF_EH__)` - there's no define to check for for knowing it's used and enabled, but it has to be implicitly assumed if no other other unwind mechanism is signaled. - The `dl_iterate_phdr` function, used for finding the EXIDX section for locating ARM EHABI unwind info, is used within `#ifdef linux`. It might be available on other OSes too (like FreeBSD etc). Or should I go ahead and add a configure check for it? CC @julliard @rbernon @AndreRH -- https://gitlab.winehq.org/wine/wine/-/merge_requests/1134

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[PATCH 0/1] MR1128: msvcrt: Display message box in abort() in debug CRT only.
by Paul Gofman (＠gofman) 21 Oct '22

21 Oct '22

As far as my testing goes, the message box is never shown on Windows when abort() is called with retail runtime is used, regardless of error mode and abort behaviour. That is not the case with _assert which still can show a dialog even in release mode. It happens rather often that an app meets the error condition during the process exit and that goes silent on Windows while we display the abort dialog on app's exit. The test program below shows that (and the same behaviour is, e. g., with ucrtbase vs ucrtbased). ``` #include <windows.h> #include <stdio.h> #include <stdlib.h> void CDECL _set_app_type(int app_type); #define D(name) static typeof(name) *p_##name #define L(name) p_##name = (void *)GetProcAddress(hdll, #name); if (!p_##name) printf("NULL %s.\n", #name) D(abort); D(_set_app_type); D(_set_abort_behavior); D(_set_error_mode); int main(int argc, char *argv[]) { HMODULE hdll = LoadLibraryA("msvcrt.dll"); printf("hdll %p.\n", hdll); L(_set_app_type); if (!p__set_app_type) if (!(p__set_app_type = (void *)GetProcAddress(hdll, "__set_app_type"))) printf("NULL p__set_app_type.\n"); L(abort); L(_set_abort_behavior); L(_set_error_mode); p__set_app_type(2); if (p__set_abort_behavior) p__set_abort_behavior(_WRITE_ABORT_MSG, _WRITE_ABORT_MSG); p__set_error_mode(_OUT_TO_MSGBOX); p_abort(); } ``` -- https://gitlab.winehq.org/wine/wine/-/merge_requests/1128

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Re: [PATCH v9 0/1] MR1065: ntdll: Add CFI unwind info to __wine_syscall_dispatcher (x86_64)
by Martin Storsjö (＠mstorsjo) 21 Oct '22

21 Oct '22

On Fri Oct 21 09:44:38 2022 +0000, Rémi Bernon wrote: > I suggested to do that so we can use these tokens in the macros, which > need to stringify their value for the `.cfi_escape` strings. Oh, I see - thanks, that makes sense. -- https://gitlab.winehq.org/wine/wine/-/merge_requests/1065#note_11683

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[PATCH v11 0/6] MR1120: Add support for localized functions in msvcrt dlls
by Bartosz Kosiorek (＠gang65) 21 Oct '22

21 Oct '22

-- v11: msvcrt: Add _ismbstrail_l implementation. msvcrt: Add _ismbslead_l implementation. msvcrt: fix error handling for _mbscmp_l msvcrt: Add _mbclen_l implementation. msvcrt: Add _mbsicmp_l implementation. msvcrt: Add _mbschr_l implementation. https://gitlab.winehq.org/wine/wine/-/merge_requests/1120

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