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ntdll: Don't clear x86-64 registers when receiving a 32-bit context. 

They can still be valid if running in Wow64 mode.

Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Alexandre Julliard 2021-12-01 12:06:29 +01:00
parent e5e857c290
commit 47f59be21f
1 changed files with 0 additions and 8 deletions
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8
dlls/ntdll/unix/thread.c
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@ -850,14 +850,6 @@ static NTSTATUS context_from_server( void *dst, const context_t *from, USHORT ma
to->Rbx = from->integer.i386_regs.ebx; to->Rbx = from->integer.i386_regs.ebx;
to->Rsi = from->integer.i386_regs.esi; to->Rsi = from->integer.i386_regs.esi;
to->Rdi = from->integer.i386_regs.edi; to->Rdi = from->integer.i386_regs.edi;
to->R8 = 0;
to->R9 = 0;
to->R10 = 0;
to->R11 = 0;
to->R12 = 0;
to->R13 = 0;
to->R14 = 0;
to->R15 = 0;
} }
if ((from->flags & SERVER_CTX_SEGMENTS) && (to_flags & CONTEXT_AMD64_SEGMENTS)) if ((from->flags & SERVER_CTX_SEGMENTS) && (to_flags & CONTEXT_AMD64_SEGMENTS))
{ {