From 779a8fcddb04f19225e162aff915f8adf024f6d5 Mon Sep 17 00:00:00 2001 From: Alexandre Julliard Date: Wed, 15 Jun 2011 12:26:03 +0200 Subject: [PATCH] rpcrt4: Make more of the stubless proxy setup code platform-independent. --- dlls/rpcrt4/cproxy.c | 44 ++++++++++++++++++++++++++------------------ 1 file changed, 26 insertions(+), 18 deletions(-) diff --git a/dlls/rpcrt4/cproxy.c b/dlls/rpcrt4/cproxy.c index 6a73953e420..96dc0b5c8c4 100644 --- a/dlls/rpcrt4/cproxy.c +++ b/dlls/rpcrt4/cproxy.c @@ -69,7 +69,7 @@ static inline StdProxyImpl *impl_from_proxy_obj( void *iface ) return CONTAINING_RECORD(iface, StdProxyImpl, PVtbl); } -#if defined(__i386__) +#ifdef __i386__ #include "pshpack1.h" @@ -112,6 +112,30 @@ LONG_PTR WINAPI ObjectStubless(void **args) return ndr_client_call(stubless->pStubDesc, fs, args + 2); } +static inline void init_thunk( struct thunk *thunk, unsigned int index ) +{ + thunk->mov_eax = 0xb8; /* movl $n,%eax */ + thunk->index = index; + thunk->jmp = 0xe9; /* jmp */ + thunk->handler = (char *)call_stubless_func - (char *)(&thunk->handler + 1); +} + +#else /* __i386__ */ + +#warning You must implement stubless proxies for your CPU + +struct thunk +{ + DWORD index; +}; + +static inline void init_thunk( struct thunk *thunk, unsigned int index ) +{ + thunk->index = index; +} + +#endif /* __i386__ */ + #define BLOCK_SIZE 1024 #define MAX_BLOCKS 64 /* 64k methods should be enough for anybody */ @@ -126,13 +150,7 @@ static const struct thunk *allocate_block( unsigned int num ) MEM_COMMIT | MEM_RESERVE, PAGE_EXECUTE_READWRITE ); if (!block) return NULL; - for (i = 0; i < BLOCK_SIZE; i++) - { - block[i].mov_eax = 0xb8; /* movl $n,%eax */ - block[i].index = BLOCK_SIZE * num + i + 3; - block[i].jmp = 0xe9; /* jmp */ - block[i].handler = (char *)call_stubless_func - (char *)(&block[i].handler + 1); - } + for (i = 0; i < BLOCK_SIZE; i++) init_thunk( &block[i], BLOCK_SIZE * num + i + 3 ); VirtualProtect( block, BLOCK_SIZE * sizeof(*block), PAGE_EXECUTE_READ, NULL ); prev = InterlockedCompareExchangePointer( (void **)&method_blocks[num], block, NULL ); if (prev) /* someone beat us to it */ @@ -163,16 +181,6 @@ static BOOL fill_stubless_table( IUnknownVtbl *vtbl, DWORD num ) return TRUE; } -#else /* __i386__ */ - -static BOOL fill_stubless_table( IUnknownVtbl *vtbl, DWORD num ) -{ - ERR("stubless proxies are not supported on this architecture\n"); - return FALSE; -} - -#endif /* __i386__ */ - HRESULT StdProxy_Construct(REFIID riid, LPUNKNOWN pUnkOuter, const ProxyFileInfo *ProxyInfo,