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ntdll: Fix handling of the duplicate MxCsr entry in the x86_64 context.

This commit is contained in:
Alexandre Julliard 2009-08-27 16:38:47 +02:00
parent 0223f71dc7
commit b8ae3f073b
4 changed files with 8 additions and 10 deletions
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7
dlls/ntdll/signal_x86_64.c
View File

@ -1019,11 +1019,11 @@ static void save_context( CONTEXT *context, const ucontext_t *sigcontext )
#else
__asm__("movw %%ss,%0" : "=m" (context->SegSs));
#endif
context->MxCsr = 0; /* FIXME */
if (FPU_sig(sigcontext))
{
context->ContextFlags |= CONTEXT_FLOATING_POINT;
context->u.FltSave = *FPU_sig(sigcontext);
context->MxCsr = context->u.FltSave.MxCsr;
}
}
@ -1107,7 +1107,6 @@ void copy_context( CONTEXT *to, const CONTEXT *from, DWORD flags )
to->SegCs = from->SegCs;
to->SegSs = from->SegSs;
to->EFlags = from->EFlags;
to->MxCsr = from->MxCsr;
}
if (flags & CONTEXT_INTEGER)
{
@ -1135,6 +1134,7 @@ void copy_context( CONTEXT *to, const CONTEXT *from, DWORD flags )
}
if (flags & CONTEXT_FLOATING_POINT)
{
to->MxCsr = from->MxCsr;
to->u.FltSave = from->u.FltSave;
}
if (flags & CONTEXT_DEBUG_REGISTERS)
@ -1170,7 +1170,6 @@ NTSTATUS context_to_server( context_t *to, const CONTEXT *from )
to->ctl.x86_64_regs.cs = from->SegCs;
to->ctl.x86_64_regs.ss = from->SegSs;
to->ctl.x86_64_regs.flags = from->EFlags;
to->ctl.x86_64_regs.mxcsr = from->MxCsr;
}
if (flags & CONTEXT_INTEGER)
{
@ -1236,7 +1235,6 @@ NTSTATUS context_from_server( CONTEXT *to, const context_t *from )
to->SegCs = from->ctl.x86_64_regs.cs;
to->SegSs = from->ctl.x86_64_regs.ss;
to->EFlags = from->ctl.x86_64_regs.flags;
to->MxCsr = from->ctl.x86_64_regs.mxcsr;
}
if (from->flags & SERVER_CTX_INTEGER)
@ -1269,6 +1267,7 @@ NTSTATUS context_from_server( CONTEXT *to, const context_t *from )
{
to->ContextFlags |= CONTEXT_FLOATING_POINT;
memcpy( &to->u.FltSave, from->fp.x86_64_regs.fpregs, sizeof(from->fp.x86_64_regs.fpregs) );
to->MxCsr = to->u.FltSave.MxCsr;
}
if (from->flags & SERVER_CTX_DEBUG_REGISTERS)
{

4
include/wine/server_protocol.h
View File

@ -143,7 +143,7 @@ typedef struct
{
struct { unsigned int eip, ebp, esp, eflags, cs, ss; } i386_regs;
struct { unsigned __int64 rip, rbp, rsp;
unsigned int cs, ss, flags, mxcsr; } x86_64_regs;
unsigned int cs, ss, flags; } x86_64_regs;
struct { unsigned __int64 fir;
unsigned int psr; } alpha_regs;
struct { unsigned int iar, msr, ctr, lr, dar, dsisr, trap; } powerpc_regs;
@ -5347,6 +5347,6 @@ union generic_reply
struct set_window_layered_info_reply set_window_layered_info_reply;
};
#define SERVER_PROTOCOL_VERSION 389
#define SERVER_PROTOCOL_VERSION 390
#endif /* __WINE_WINE_SERVER_PROTOCOL_H */

2
server/protocol.def
View File

@ -159,7 +159,7 @@ typedef struct
{
struct { unsigned int eip, ebp, esp, eflags, cs, ss; } i386_regs;
struct { unsigned __int64 rip, rbp, rsp;
unsigned int cs, ss, flags, mxcsr; } x86_64_regs;
unsigned int cs, ss, flags; } x86_64_regs;
struct { unsigned __int64 fir;
unsigned int psr; } alpha_regs;
struct { unsigned int iar, msr, ctr, lr, dar, dsisr, trap; } powerpc_regs;

5
server/trace.c
View File

@ -457,9 +457,8 @@ static void dump_varargs_context( const char *prefix, data_size_t size )
dump_uint64( ",rip=", &ctx.ctl.x86_64_regs.rip );
dump_uint64( ",rbp=", &ctx.ctl.x86_64_regs.rbp );
dump_uint64( ",rsp=", &ctx.ctl.x86_64_regs.rsp );
fprintf( stderr, ",cs=%04x,ss=%04x,flags=%08x,mxcsr=%08x",
ctx.ctl.x86_64_regs.cs, ctx.ctl.x86_64_regs.ss,
ctx.ctl.x86_64_regs.flags, ctx.ctl.x86_64_regs.mxcsr );
fprintf( stderr, ",cs=%04x,ss=%04x,flags=%08x",
ctx.ctl.x86_64_regs.cs, ctx.ctl.x86_64_regs.ss, ctx.ctl.x86_64_regs.flags );
}
if (ctx.flags & SERVER_CTX_INTEGER)
{