[PATCH v3 1/4] ntdll: Fix the calling convention for runtime 64-bit shift functions.
Zebediah Figura
wine at gitlab.winehq.org
Wed Jul 6 22:42:17 CDT 2022
From: Zebediah Figura <zfigura at codeweavers.com>
Based on a patch by Zhao Yi.
---
dlls/ntdll/large_int.c | 74 ++++++++++++++---------------
dlls/ntdll/ntdll.spec | 6 +--
dlls/ntoskrnl.exe/ntoskrnl.exe.spec | 6 +--
3 files changed, 42 insertions(+), 44 deletions(-)
diff --git a/dlls/ntdll/large_int.c b/dlls/ntdll/large_int.c
index b38074158c8..15716b132a2 100644
--- a/dlls/ntdll/large_int.c
+++ b/dlls/ntdll/large_int.c
@@ -809,40 +809,55 @@ ULONGLONG WINAPI _aulldiv( ULONGLONG a, ULONGLONG b )
return udivmod(a, b, NULL);
}
+
+LONGLONG __stdcall __regs__allshl( LONGLONG a, unsigned char b )
+{
+ return a << b;
+}
+
/******************************************************************************
* _allshl (NTDLL.@)
- *
- * Shift a 64 bit integer to the left.
- *
- * PARAMS
- * a [I] Initial number.
- * b [I] Number to shift a by to the left.
- *
- * RETURNS
- * The left-shifted value.
*/
-LONGLONG WINAPI _allshl( LONGLONG a, LONG b )
+__ASM_GLOBAL_FUNC( _allshl,
+ "xchgl (%esp),%ecx\n\t"
+ "pushl %edx\n\t"
+ "pushl %eax\n\t"
+ "pushl %ecx\n\t"
+ "jmp " __ASM_STDCALL("__regs__allshl", 12) )
+
+
+LONGLONG __stdcall __regs__allshr( LONGLONG a, unsigned char b )
{
- return a << b;
+ return a >> b;
}
/******************************************************************************
* _allshr (NTDLL.@)
- *
- * Shift a 64 bit integer to the right.
- *
- * PARAMS
- * a [I] Initial number.
- * b [I] Number to shift a by to the right.
- *
- * RETURNS
- * The right-shifted value.
*/
-LONGLONG WINAPI _allshr( LONGLONG a, LONG b )
+__ASM_GLOBAL_FUNC( _allshr,
+ "xchgl (%esp),%ecx\n\t"
+ "pushl %edx\n\t"
+ "pushl %eax\n\t"
+ "pushl %ecx\n\t"
+ "jmp " __ASM_STDCALL("__regs__allshr", 12) )
+
+
+ULONGLONG __stdcall __regs__aullshr( ULONGLONG a, unsigned char b )
{
return a >> b;
}
+/******************************************************************************
+ * _allshr (NTDLL.@)
+ */
+__ASM_GLOBAL_FUNC( _aullshr,
+ "xchgl (%esp),%ecx\n\t"
+ "pushl %edx\n\t"
+ "pushl %eax\n\t"
+ "pushl %ecx\n\t"
+ "jmp " __ASM_STDCALL("__regs__aullshr", 12) )
+
+
/******************************************************************************
* _alldvrm (NTDLL.@)
*
@@ -899,23 +914,6 @@ ULONGLONG WINAPI _aullrem( ULONGLONG a, ULONGLONG b )
return r;
}
-/******************************************************************************
- * _aullshr (NTDLL.@)
- *
- * Shift a 64 bit unsigned integer to the right.
- *
- * PARAMS
- * a [I] Initial number.
- * b [I] Number to shift a by to the right.
- *
- * RETURNS
- * The right-shifted value.
- */
-ULONGLONG WINAPI _aullshr( ULONGLONG a, LONG b )
-{
- return a >> b;
-}
-
/******************************************************************************
* _aulldvrm (NTDLL.@)
*
diff --git a/dlls/ntdll/ntdll.spec b/dlls/ntdll/ntdll.spec
index 1862358e593..89b05728951 100644
--- a/dlls/ntdll/ntdll.spec
+++ b/dlls/ntdll/ntdll.spec
@@ -1492,13 +1492,13 @@
@ cdecl -norelay -arch=i386 -ret64 _allmul(int64 int64)
@ cdecl -arch=i386 -norelay _alloca_probe()
@ cdecl -norelay -arch=i386 -ret64 _allrem(int64 int64)
-@ stdcall -arch=i386 -ret64 _allshl(int64 long)
-@ stdcall -arch=i386 -ret64 _allshr(int64 long)
+@ cdecl -norelay -arch=i386 -ret64 _allshl(int64 long)
+@ cdecl -norelay -arch=i386 -ret64 _allshr(int64 long)
@ cdecl -ret64 _atoi64(str)
@ cdecl -norelay -arch=i386 -ret64 _aulldiv(int64 int64)
@ cdecl -arch=i386 -norelay _aulldvrm(int64 int64)
@ cdecl -norelay -arch=i386 -ret64 _aullrem(int64 int64)
-@ stdcall -arch=i386 -ret64 _aullshr(int64 long)
+@ cdecl -norelay -arch=i386 -ret64 _aullshr(int64 long)
@ cdecl -arch=i386 -norelay _chkstk()
@ stub _fltused
@ cdecl -arch=i386 -ret64 _ftol()
diff --git a/dlls/ntoskrnl.exe/ntoskrnl.exe.spec b/dlls/ntoskrnl.exe/ntoskrnl.exe.spec
index 8b0ee1c4b51..460d7d0459f 100644
--- a/dlls/ntoskrnl.exe/ntoskrnl.exe.spec
+++ b/dlls/ntoskrnl.exe/ntoskrnl.exe.spec
@@ -1540,12 +1540,12 @@
@ cdecl -arch=i386 -norelay -ret64 _allmul(int64 int64)
@ cdecl -arch=i386 -norelay _alloca_probe()
@ cdecl -arch=i386 -norelay -ret64 _allrem(int64 int64)
-@ stdcall -arch=i386 -ret64 _allshl(int64 long)
-@ stdcall -arch=i386 -ret64 _allshr(int64 long)
+@ cdecl -arch=i386 -norelay -ret64 _allshl(int64 long)
+@ cdecl -arch=i386 -norelay -ret64 _allshr(int64 long)
@ cdecl -arch=i386 -norelay -ret64 _aulldiv(int64 int64)
@ cdecl -arch=i386 -norelay _aulldvrm(int64 int64)
@ cdecl -arch=i386 -norelay -ret64 _aullrem(int64 int64)
-@ stdcall -arch=i386 -ret64 _aullshr(int64 long)
+@ cdecl -arch=i386 -norelay -ret64 _aullshr(int64 long)
@ cdecl -arch=i386 -norelay _chkstk()
@ cdecl -arch=i386 _except_handler2(ptr ptr ptr ptr)
@ cdecl -arch=i386 _except_handler3(ptr ptr ptr ptr)
--
GitLab
https://gitlab.winehq.org/wine/wine/-/merge_requests/375
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