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rpcrt4: Add a wrapper for client calls from stubless proxies.

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This commit is contained in:
Alexandre Julliard 2024-04-23 13:50:16 +02:00
parent 522cecf67c
commit a8ad671bae
2 changed files with 24 additions and 28 deletions
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40
dlls/rpcrt4/cproxy.c
View file

@ -103,18 +103,13 @@ __ASM_GLOBAL_FUNC(call_stubless_func,
"movq %rdx,0x48(%rsp)\n\t"
"movq %r8,0x50(%rsp)\n\t"
"movq %r9,0x58(%rsp)\n\t"
"leaq 0x40(%rsp),%r8\n\t" /* &This */
"movq (%rcx),%rcx\n\t" /* This->lpVtbl */
"movq -0x10(%rcx),%rcx\n\t" /* MIDL_STUBLESS_PROXY_INFO */
"movq 0x10(%rcx),%rdx\n\t" /* info->FormatStringOffset */
"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 */
"leaq 0x40(%rsp),%rdx\n\t" /* args */
"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("NdrpClientCall2") "\n\t"
"leaq 0x18(%rsp),%r8\n\t" /* fpu_regs */
"movl %r10d,%ecx\n\t" /* index */
"call " __ASM_NAME("ndr_stubless_client_call") "\n\t"
"addq $0x38,%rsp\n\t"
__ASM_CFI(".cfi_adjust_cfa_offset -0x38\n\t")
"ret" );
@ -138,17 +133,11 @@ __ASM_GLOBAL_FUNC(call_stubless_func,
"mov fp, sp\n\t"
".seh_save_sp fp\n\t"
".seh_endprologue\n\t"
"ldr r0, [r0]\n\t" /* This->lpVtbl */
"ldr r0, [r0,#-8]\n\t" /* MIDL_STUBLESS_PROXY_INFO */
"ldr r1, [r0,#8]\n\t" /* info->FormatStringOffset */
"ldrh r1, [r1,ip]\n\t" /* info->FormatStringOffset[index] */
"ldr ip, [r0,#4]\n\t" /* info->ProcFormatString */
"add r1, ip\n\t" /* info->ProcFormatString + offset */
"ldr r0, [r0]\n\t" /* info->pStubDesc */
"add r2, sp, #8\n\t" /* stack_top */
"mov r0, ip\n\t" /* index */
"add r1, sp, #8\n\t" /* args */
"vpush {s0-s15}\n\t" /* store the s0-s15/d0-d7 arguments */
"mov r3, sp\n\t" /* fpu_stack */
"bl NdrpClientCall2\n\t"
"mov r2, sp\n\t" /* fpu_regs */
"bl ndr_stubless_client_call\n\t"
"mov sp, fp\n\t"
"pop {fp,lr}\n\t"
"add sp, #16\n\t"
@ -177,15 +166,10 @@ __ASM_GLOBAL_FUNC( call_stubless_func,
"stp x2, x3, [sp, #0x60]\n\t"
"stp x4, x5, [sp, #0x70]\n\t"
"stp x6, x7, [sp, #0x80]\n\t"
"ldr x0, [x0]\n\t" /* This->lpVtbl */
"ldr x0, [x0, #-16]\n\t" /* MIDL_STUBLESS_PROXY_INFO */
"ldp x1, x4, [x0, #8]\n\t" /* info->ProcFormatString, FormatStringOffset */
"ldrh w4, [x4, x16, lsl #1]\n\t" /* info->FormatStringOffset[index] */
"add x1, x1, x4\n\t" /* info->ProcFormatString + offset */
"ldr x0, [x0]\n\t" /* info->pStubDesc */
"add x2, sp, #0x50\n\t" /* stack */
"add x3, sp, #0x10\n\t" /* fpu_stack */
"bl NdrpClientCall2\n\t"
"mov w0, w16\n\t" /* index */
"add x1, sp, #0x50\n\t" /* args */
"add x2, sp, #0x10\n\t" /* fpu_regs */
"bl ndr_stubless_client_call\n\t"
"ldp x29, x30, [sp], #0x90\n\t"
"ret" )

12
dlls/rpcrt4/ndr_stubless.c
View file

@ -1277,6 +1277,18 @@ LONG_PTR __cdecl call_server_func(SERVER_ROUTINE func, unsigned char * args, uns
}
#endif
#ifndef __i386__
LONG_PTR WINAPI ndr_stubless_client_call( unsigned int index, void **args, void **fpu_regs )
{
void **this = args[0];
const void **vtbl = *this;
const MIDL_STUBLESS_PROXY_INFO *proxy_info = vtbl[-2];
const unsigned char *format = proxy_info->ProcFormatString + proxy_info->FormatStringOffset[index];
return NdrpClientCall2( proxy_info->pStubDesc, format, args, fpu_regs );
}
#endif /* __i386__ */
static LONG_PTR *stub_do_args(MIDL_STUB_MESSAGE *pStubMsg,
PFORMAT_STRING pFormat, enum stubless_phase phase,
unsigned short number_of_params)