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727 Commits

Author SHA1 Message Date
Martin Storsjö 9e9509f307 winebuild: Fix relay entry points in Thumb mode with binutils/ELF and LLVM/PE. 
b1fe783ade fixed relay entry points
in Thumb mode when assembled with Clang/LLVM in ELF mode, but broke
them when assembled with binutils as (and PE mode with LLVM didn't
work either before or after).

When/where the thumb bit is applied on symbols varies a lot between
assemblers; this is a notoriously vague and undocumented area.

After a .thumb_func directive, binutils as considers the next
non-local symbol as a thumb symbol, to have the thumb bit set.
LLVM's built-in assembler considers the next symbol, local or not,
to be a thumb symbol. (Just noting for reference for possible
solutions, this particular difference didn't play a role so far.)

Secondly, in a symbol difference expression like this:

    .long symbol1 - symbol2

Binutils as ignores the potential thumb state for both symbols and
just calculates the raw distance. LLVM does include the thumb bit
in symbol1 but ignores it in symbol2.

Finally, for PE targets, the linker sets the thumb bit on all
absolute addresses pointing to the text section, regardless of any
.thumb_func directives at assembly time. (I.e., the
__wine_spec_relay_entry_points entry in .L__wine_spec_relay_descr
gets the bit set even if it wasn't marked as .thumb_func.)

Therefore, mark __wine_spec_relay_entry_points as .thumb_func, as
the absolute address to it will end up with the thumb bit set in
PE builds in any case.

Don't mark the individual relay entry pointers as thumb functions
(the code still is generated as thumb as there hasn't been any
mode switch back to arm mode); this makes the differences calculated
correctly (both LLVM and binutils ignore the thumb state of the
subtracted label).

If desired, one could change __wine_spec_relay_entry_point_%d into
local labels with a .L prefix, just as before
b1fe783ade again, it doesn't make
any difference in this form.

Signed-off-by: Martin Storsjö <martin@martin.st>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
 2021-11-05 11:58:42 +01:00
Alexandre Julliard 5a8f7d1f74 winebuild: Wrap 16-bit fake dlls in a PE module. 
Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=51564
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
 2021-10-21 14:53:32 +02:00
Alexandre Julliard 2f0401c783 winebuild: Add a more generic way to create directories and sections in fake dlls. 
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
 2021-10-21 14:03:54 +02:00
Alexandre Julliard f9ee0d2f05 tools: Avoid using wine/port.h. 
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
 2021-10-07 18:03:11 +02:00
Alexandre Julliard 3eb1855c7e winebuild: Avoid using getopt_long(). 
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
 2021-10-05 11:53:08 +02:00
Zebediah Figura ea66623c3c winebuild: Move the CALL32_CBClient[Ex]_RetAddr implementation to krnl386. 
Signed-off-by: Zebediah Figura <zfigura@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
 2021-10-04 11:00:23 +02:00
Zebediah Figura 1f3eb3996d winebuild: Move the CALL32_CBClient[Ex] implementation to krnl386. 
Except for the return thunk.

Signed-off-by: Zebediah Figura <zfigura@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
 2021-10-04 10:59:35 +02:00
Alexandre Julliard 9e3959bd9b tools: Add a few helper functions for file names and extensions. 
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
 2021-09-29 21:38:11 +02:00
Alexandre Julliard 55701c6672 tools: Add a helper function to create temp files. 
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
 2021-09-29 21:38:11 +02:00
Alexandre Julliard 2a08d6ce80 tools: Add helper functions to spawn a command from an strarray. 
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
 2021-09-28 18:18:49 +02:00
Alexandre Julliard 97ca9f8a3d tools: Add a shared header for common helper functions. 
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
 2021-09-28 17:38:06 +02:00
Alexandre Julliard c878a0a4c0 winebuild: Use strarrays for the argument lists. 
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
 2021-09-23 14:45:39 +02:00
Alexandre Julliard d6d5a21721 winebuild: Unify the strarray implementation with the one from makedep. 
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
 2021-09-23 14:45:39 +02:00
Alexandre Julliard ea6308e364 ntdll: Declare the syscall functions array explicitly. 
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
 2021-08-30 22:49:58 +02:00
Alexandre Julliard 7ae1c396ac ntdll: Store the syscall argument table on the PE side. 
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
 2021-08-30 22:49:58 +02:00
Alexandre Julliard 3513a176fd winebuild: Add an option to set the syscall table id. 
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
 2021-08-30 22:49:58 +02:00
Alexandre Julliard ff04d8a4c2 ntdll: Move the syscall dispatcher implementation to the platform-specific files. 
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
 2021-08-26 11:25:38 +02:00
Alexandre Julliard 847db3c1d3 ntdll: Store the syscall table in the syscall frame on all platforms. 
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
 2021-08-26 10:47:38 +02:00
Alexandre Julliard 77f5e2963f ntdll: Store the syscall flags in the syscall frame on all platforms. 
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
 2021-08-26 10:47:38 +02:00
Alexandre Julliard 8ee30e6dcc winebuild: Fix 64-bit argument alignment on ARM. 
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
 2021-08-25 15:15:10 +02:00
Alexandre Julliard 94f63ea23f ntdll: Add support for user callbacks. 
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
 2021-08-17 18:16:43 +02:00
Martin Storsjö 5de4766475 winebuild: Fix building for arm with older versions of binutils. 
Use an explicit "movw" instead of a plain "mov", as the immediates
might not fit in a narrow thumb mov instruction. Newer versions
of binutils deduces this implicitly.

Signed-off-by: Martin Storsjö <martin@martin.st>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
 2021-08-03 23:41:05 +02:00
Martin Storsjo 9d619b1fb0 winebuild: Spell out "x30" instead of "lr" for arm64. 
This fixes building with older binutils versions.

Signed-off-by: Martin Storsjo <martin@martin.st>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
 2021-08-02 11:31:48 +02:00
Alexandre Julliard 216d241178 winebuild: Save/restore the %fs register in the syscall dispatcher on Linux. 
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
 2021-07-06 15:50:26 +02:00
Alexandre Julliard 5e12256ec4 winebuild: Add a specific platform id for Linux. 
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
 2021-07-06 15:50:26 +02:00
Alexandre Julliard db26df5934 ntdll: Go through the syscall return path for syscall faults. 
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
 2021-06-21 18:35:20 +02:00
Alexandre Julliard 0702d6b886 ntdll: Don't allow single-stepping through syscalls. 
Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=51273
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
 2021-06-16 15:05:24 +02:00
Alexandre Julliard 7954b86f6b ntdll: Switch to the kernel stack for syscalls on ARM. 
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
 2021-06-11 18:45:44 +02:00
Alexandre Julliard 08c4419a49 ntdll: Switch to the kernel stack for syscalls on ARM64. 
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
 2021-06-11 18:45:44 +02:00
Alexandre Julliard 25b093f384 ntdll: Switch to the kernel stack for syscalls on x86-64. 
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
 2021-06-11 18:45:44 +02:00
Alexandre Julliard 308a5e7c4d ntdll: Switch to the kernel stack for syscalls on i386. 
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
 2021-06-11 15:49:29 +02:00
Alexandre Julliard 050378d4d7 ntdll: Only restore the modified parts of the syscall frame on i386. 
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
 2021-06-07 17:16:21 +02:00
Alexandre Julliard 32f1bfd0f0 ntdll: Only restore the modified parts of the syscall frame on x86-64. 
Based on a patch by Jacek Caban.

Signed-off-by: Alexandre Julliard <julliard@winehq.org>
 2021-06-07 17:16:21 +02:00
Zebediah Figura bbe2eaecc9 winebuild: Fix a typo in a comment. 
Signed-off-by: Zebediah Figura <z.figura12@gmail.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
 2021-06-03 21:50:58 +02:00
Alexandre Julliard 42e42e9085 ntdll: Use a single syscall dispatcher controlled by global flags on i386. 
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
 2021-06-02 20:16:07 +02:00
Alexandre Julliard 3d9cb5e4f8 ntdll: Use a single syscall dispatcher controlled by global flags on x86-64. 
Based on a patch by Jacek Caban.

Signed-off-by: Alexandre Julliard <julliard@winehq.org>
 2021-06-02 20:16:07 +02:00
Alexandre Julliard e79fa1866c winebuild: Add support for multiple syscall descriptor tables. 
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
 2021-05-28 21:53:07 +02:00
Alexandre Julliard 543e49397f winebuild: Store all parameters on the stack for syscall thunks on ARM. 
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
 2021-05-27 21:13:18 +02:00
Jacek Caban ea239f6b12 winebuild: Use clang -print-prog-name to find LLVM tools. 
Signed-off-by: Jacek Caban <jacek@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
 2021-05-10 18:14:07 +02:00
Jacek Caban e979ee96b6 ntdll: Use xsave compaction in syscall dispatcher. 
Signed-off-by: Jacek Caban <jacek@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
 2021-03-03 21:54:45 +01:00
Jacek Caban af74bd3122 ntdll: Use syscall dispatcher to restore context in NtSetContextThread. 
Signed-off-by: Jacek Caban <jacek@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
 2021-03-02 20:41:39 +01:00
Jacek Caban 5d228d6fc9 ntdll: Store x86 YMM context insyscall dispatcher. 
Signed-off-by: Jacek Caban <jacek@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
 2021-03-02 20:40:49 +01:00
Jacek Caban ce5f17c892 ntdll: Store FPU and XMM contexts in x86 syscall frame. 
Signed-off-by: Jacek Caban <jacek@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
 2021-03-01 21:13:00 +01:00
Jacek Caban e341d1f695 ntdll: Restore all non-volatile i386 registers in syscall dispatcher. 
Based on set_full_cpu_context.

Signed-off-by: Jacek Caban <jacek@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
 2021-03-01 21:13:00 +01:00
Jacek Caban b04f2689a2 ntdll: Store all non-volatile i386 registers in syscall dispatcher. 
Signed-off-by: Jacek Caban <jacek@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
 2021-02-25 22:44:18 +01:00
Jacek Caban c6d303ca23 ntdll: Reserve space for full i386 context in syscall frame. 
Signed-off-by: Jacek Caban <jacek@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
 2021-02-25 22:43:19 +01:00
Alexandre Julliard abf4747ba7 winebuild: Simplify constant loading on ARM. 
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
 2021-02-24 22:01:42 +01:00
Alexandre Julliard b1fe783ade winebuild: Fix relay entry points for Thumb mode. 
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
 2021-02-24 22:01:42 +01:00
Alexandre Julliard 4ef8e946f1 winebuild: Set Thumb bit in CPSR register on syscall entry. 
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
 2021-02-24 22:01:42 +01:00
Jacek Caban a8856381ed ntdll: Use xsavec in x86_64 syscall dispatcher. 
Signed-off-by: Jacek Caban <jacek@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
 2021-02-22 20:19:17 +01:00