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winecrt0: Add a helper function and macro to simplify Unix library usage.
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1d036c0493
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@ -18,8 +18,6 @@
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#ifdef __WINE_PE_BUILD
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#include <stdarg.h>
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#include "ntstatus.h"
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@ -29,6 +27,8 @@
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#include "winternl.h"
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#include "wine/unixlib.h"
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#ifdef __WINE_PE_BUILD
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static NTSTATUS (WINAPI *p__wine_unix_call)( unixlib_handle_t, unsigned int, void * );
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static void load_func( void **func, const char *name, void *def )
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@ -54,3 +54,22 @@ NTSTATUS WINAPI __wine_unix_call( unixlib_handle_t handle, unsigned int code, vo
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}
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#endif /* __WINE_PE_BUILD */
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static inline void *image_base(void)
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{
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#ifdef __WINE_PE_BUILD
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extern IMAGE_DOS_HEADER __ImageBase;
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return (void *)&__ImageBase;
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#else
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extern IMAGE_NT_HEADERS __wine_spec_nt_header;
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return (void *)((__wine_spec_nt_header.OptionalHeader.ImageBase + 0xffff) & ~0xffff);
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#endif
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}
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unixlib_handle_t __wine_unixlib_handle = 0;
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NTSTATUS WINAPI __wine_init_unix_call(void)
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{
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return NtQueryVirtualMemory( GetCurrentProcess(), image_base(), MemoryWineUnixFuncs,
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&__wine_unixlib_handle, sizeof(__wine_unixlib_handle), NULL );
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}
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@ -21,13 +21,14 @@
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#ifndef __WINE_WINE_UNIXLIB_H
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#define __WINE_WINE_UNIXLIB_H
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typedef NTSTATUS (*unixlib_entry_t)( void *args );
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typedef UINT64 unixlib_handle_t;
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extern NTSTATUS WINAPI __wine_unix_call( unixlib_handle_t handle, unsigned int code, void *args );
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#ifdef WINE_UNIX_LIB
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typedef NTSTATUS (*unixlib_entry_t)( void *args );
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/* some useful helpers from ntdll */
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extern const char *ntdll_get_build_dir(void);
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extern const char *ntdll_get_data_dir(void);
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@ -264,6 +265,13 @@ static inline ULONG ntdll_wcstoul( const WCHAR *s, WCHAR **end, int base )
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#define wcstol(str,e,b) ntdll_wcstol(str,e,b)
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#define wcstoul(str,e,b) ntdll_wcstoul(str,e,b)
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#else /* WINE_UNIX_LIB */
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extern unixlib_handle_t __wine_unixlib_handle DECLSPEC_HIDDEN;
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extern NTSTATUS WINAPI __wine_init_unix_call(void) DECLSPEC_HIDDEN;
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#define WINE_UNIX_CALL(code,args) __wine_unix_call( __wine_unixlib_handle, (code), (args) )
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#endif /* WINE_UNIX_LIB */
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#endif /* __WINE_WINE_UNIXLIB_H */
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