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rpcrt4: Add support for float parameters in client calls on x86_64.

This commit is contained in:
Alexandre Julliard 2011-06-13 13:39:21 +02:00
parent 5f06809ab3
commit ffb8f4bedf
3 changed files with 47 additions and 21 deletions
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12
dlls/rpcrt4/cproxy.c
View File

@ -131,11 +131,15 @@ __ASM_GLOBAL_FUNC(call_stubless_func,
"movzwq (%rdx,%r10,2),%rdx\n\t" /* FormatStringOffset[index] */
"addq 8(%rcx),%rdx\n\t" /* info->ProcFormatString + offset */
"movq (%rcx),%rcx\n\t" /* info->pStubDesc */
"subq $0x28,%rsp\n\t"
__ASM_CFI(".cfi_adjust_cfa_offset 0x28\n\t")
"subq $0x38,%rsp\n\t"
__ASM_CFI(".cfi_adjust_cfa_offset 0x38\n\t")
"movq %xmm1,0x20(%rsp)\n\t"
"movq %xmm2,0x28(%rsp)\n\t"
"movq %xmm3,0x30(%rsp)\n\t"
"leaq 0x18(%rsp),%r9\n\t" /* fpu_args */
"call " __ASM_NAME("ndr_client_call") "\n\t"
"addq $0x28,%rsp\n\t"
__ASM_CFI(".cfi_adjust_cfa_offset -0x28\n\t")
"addq $0x38,%rsp\n\t"
__ASM_CFI(".cfi_adjust_cfa_offset -0x38\n\t")
"ret" );
#include "pshpack1.h"

54
dlls/rpcrt4/ndr_stubless.c
View File

@ -285,8 +285,8 @@ static void client_free_handle(
}
static void client_do_args(PMIDL_STUB_MESSAGE pStubMsg, PFORMAT_STRING pFormat,
int phase, unsigned char *args, unsigned short number_of_params,
unsigned char *pRetVal)
int phase, unsigned char *args, void **fpu_args,
unsigned short number_of_params, unsigned char *pRetVal)
{
/* current format string offset */
int current_offset = 0;
@ -314,6 +314,14 @@ static void client_do_args(PMIDL_STUB_MESSAGE pStubMsg, PFORMAT_STRING pFormat,
const unsigned char * pTypeFormat =
&pParam->type_format_char;
#ifdef __x86_64__ /* floats are passed as doubles through varargs functions */
float f;
if (*pTypeFormat == RPC_FC_FLOAT && !pParam->param_attributes.IsSimpleRef && !fpu_args)
{
f = *(double *)pArg;
pArg = (unsigned char *)&f;
}
#endif
if (pParam->param_attributes.IsSimpleRef)
{
pArg = *(unsigned char **)pArg;
@ -565,7 +573,8 @@ void client_do_args_old_format(PMIDL_STUB_MESSAGE pStubMsg,
}
}
LONG_PTR CDECL ndr_client_call( PMIDL_STUB_DESC pStubDesc, PFORMAT_STRING pFormat, void **stack_top )
LONG_PTR CDECL ndr_client_call( PMIDL_STUB_DESC pStubDesc, PFORMAT_STRING pFormat,
void **stack_top, void **fpu_stack )
{
/* pointer to start of stack where arguments start */
RPC_MESSAGE rpcMsg;
@ -652,16 +661,28 @@ LONG_PTR CDECL ndr_client_call( PMIDL_STUB_DESC pStubDesc, PFORMAT_STRING pForma
number_of_params = pOIFHeader->number_of_params;
pFormat += sizeof(NDR_PROC_PARTIAL_OIF_HEADER);
}
TRACE("Oif_flags = "); dump_INTERPRETER_OPT_FLAGS(Oif_flags);
TRACE("Oif_flags = "); dump_INTERPRETER_OPT_FLAGS(Oif_flags);
if (Oif_flags.HasExtensions)
{
const NDR_PROC_HEADER_EXTS *pExtensions =
(const NDR_PROC_HEADER_EXTS *)pFormat;
ext_flags = pExtensions->Flags2;
pFormat += pExtensions->Size;
if (Oif_flags.HasExtensions)
{
const NDR_PROC_HEADER_EXTS *pExtensions = (const NDR_PROC_HEADER_EXTS *)pFormat;
ext_flags = pExtensions->Flags2;
pFormat += pExtensions->Size;
#ifdef __x86_64__
if (pExtensions->Size > sizeof(*pExtensions) && fpu_stack)
{
int i;
unsigned short fpu_mask = *(unsigned short *)(pExtensions + 1);
for (i = 0; i < 4; i++, fpu_mask >>= 2)
switch (fpu_mask & 3)
{
case 1: *(float *)&stack_top[i] = *(float *)&fpu_stack[i]; break;
case 2: *(double *)&stack_top[i] = *(double *)&fpu_stack[i]; break;
}
}
#endif
}
}
stubMsg.BufferLength = 0;
@ -766,7 +787,7 @@ LONG_PTR CDECL ndr_client_call( PMIDL_STUB_DESC pStubDesc, PFORMAT_STRING pForma
case PROXY_MARSHAL:
case PROXY_UNMARSHAL:
if (bV2Format)
client_do_args(&stubMsg, pFormat, phase, stubMsg.StackTop,
client_do_args(&stubMsg, pFormat, phase, stubMsg.StackTop, fpu_stack,
number_of_params, (unsigned char *)&RetVal);
else
client_do_args_old_format(&stubMsg, pFormat, phase,
@ -870,7 +891,7 @@ LONG_PTR CDECL ndr_client_call( PMIDL_STUB_DESC pStubDesc, PFORMAT_STRING pForma
case PROXY_MARSHAL:
case PROXY_UNMARSHAL:
if (bV2Format)
client_do_args(&stubMsg, pFormat, phase, stubMsg.StackTop,
client_do_args(&stubMsg, pFormat, phase, stubMsg.StackTop, fpu_stack,
number_of_params, (unsigned char *)&RetVal);
else
client_do_args_old_format(&stubMsg, pFormat, phase,
@ -919,6 +940,7 @@ __ASM_GLOBAL_FUNC( NdrClientCall2,
"movq %r8,0x18(%rsp)\n\t"
"movq %r9,0x20(%rsp)\n\t"
"leaq 0x18(%rsp),%r8\n\t"
"xorq %r9,%r9\n\t"
"subq $0x28,%rsp\n\t"
__ASM_CFI(".cfi_adjust_cfa_offset 0x28\n\t")
"call " __ASM_NAME("ndr_client_call") "\n\t"
@ -937,7 +959,7 @@ CLIENT_CALL_RETURN WINAPIV NdrClientCall2( PMIDL_STUB_DESC desc, PFORMAT_STRING
LONG_PTR ret;
__ms_va_start( args, format );
ret = ndr_client_call( desc, format, va_arg( args, void ** ));
ret = ndr_client_call( desc, format, va_arg( args, void ** ), NULL );
__ms_va_end( args );
return *(CLIENT_CALL_RETURN *)&ret;
}
@ -1947,7 +1969,7 @@ CLIENT_CALL_RETURN WINAPIV NdrAsyncClientCall(PMIDL_STUB_DESC pStubDesc,
case PROXY_CALCSIZE:
case PROXY_MARSHAL:
if (bV2Format)
client_do_args(pStubMsg, pFormat, phase, pStubMsg->StackTop,
client_do_args(pStubMsg, pFormat, phase, pStubMsg->StackTop, NULL,
async_call_data->number_of_params, NULL);
else
client_do_args_old_format(pStubMsg, pFormat, phase,
@ -2032,7 +2054,7 @@ RPC_STATUS NdrpCompleteAsyncClientCall(RPC_ASYNC_STATE *pAsync, void *Reply)
case PROXY_UNMARSHAL:
if (bV2Format)
client_do_args(pStubMsg, async_call_data->pParamFormat, phase, pStubMsg->StackTop,
async_call_data->number_of_params, Reply);
NULL, async_call_data->number_of_params, Reply);
else
client_do_args_old_format(pStubMsg, async_call_data->pParamFormat, phase,
pStubMsg->StackTop, async_call_data->stack_size, Reply, FALSE, FALSE);

2
dlls/rpcrt4/ndr_stubless.h
View File

@ -237,7 +237,7 @@ typedef struct _NDR_EHD_CONTEXT
#include "poppack.h"
LONG_PTR CDECL ndr_client_call( PMIDL_STUB_DESC pStubDesc, PFORMAT_STRING pFormat,
void **stack_top ) DECLSPEC_HIDDEN;
void **stack_top, void **fpu_stack ) DECLSPEC_HIDDEN;
void client_do_args_old_format(PMIDL_STUB_MESSAGE pStubMsg,
PFORMAT_STRING pFormat, int phase, unsigned char *args,
unsigned short stack_size, unsigned char *pRetVal, BOOL object_proc,