std: Add Win64 support

Some extern blobs are duplicated without "stdcall" abi,
since Win64 does not use any calling convention.
(Giving any abi to them causes llvm producing wrong bytecode.)

src/libstd/libc.rs

@@ -3259,6 +3259,7 @@ pub mod funcs {
                                                LPSYSTEM_INFO};
             use libc::types::os::arch::extra::{HANDLE, LPHANDLE};
 
+            #[cfg(target_arch = "x86")]
             #[abi = "stdcall"]
             extern "stdcall" {
                 pub fn GetEnvironmentVariableW(n: LPCWSTR,
@@ -3363,6 +3364,111 @@ pub mod funcs {
                                      -> LPVOID;
                 pub fn UnmapViewOfFile(lpBaseAddress: LPCVOID) -> BOOL;
             }
+
+            #[cfg(target_arch = "x86_64")]
+            extern {
+                pub fn GetEnvironmentVariableW(n: LPCWSTR,
+                                               v: LPWSTR,
+                                               nsize: DWORD)
+                                               -> DWORD;
+                pub fn SetEnvironmentVariableW(n: LPCWSTR, v: LPCWSTR)
+                                               -> BOOL;
+                pub fn GetEnvironmentStringsA() -> LPTCH;
+                pub fn FreeEnvironmentStringsA(env_ptr: LPTCH) -> BOOL;
+                pub fn GetModuleFileNameW(hModule: HMODULE,
+                                          lpFilename: LPWSTR,
+                                          nSize: DWORD)
+                                          -> DWORD;
+                pub fn CreateDirectoryW(lpPathName: LPCWSTR,
+                                        lpSecurityAttributes:
+                                        LPSECURITY_ATTRIBUTES)
+                                        -> BOOL;
+                pub fn CopyFileW(lpExistingFileName: LPCWSTR,
+                                        lpNewFileName: LPCWSTR,
+                                        bFailIfExists: BOOL)
+                                        -> BOOL;
+                pub fn DeleteFileW(lpPathName: LPCWSTR) -> BOOL;
+                pub fn RemoveDirectoryW(lpPathName: LPCWSTR) -> BOOL;
+                pub fn SetCurrentDirectoryW(lpPathName: LPCWSTR) -> BOOL;
+                pub fn GetLastError() -> DWORD;
+                pub fn FindFirstFileW(fileName: *u16, findFileData: HANDLE)
+                                      -> HANDLE;
+                pub fn FindNextFileW(findFile: HANDLE, findFileData: HANDLE)
+                                     -> BOOL;
+                pub fn FindClose(findFile: HANDLE) -> BOOL;
+                pub fn DuplicateHandle(hSourceProcessHandle: HANDLE,
+                                       hSourceHandle: HANDLE,
+                                       hTargetProcessHandle: HANDLE,
+                                       lpTargetHandle: LPHANDLE,
+                                       dwDesiredAccess: DWORD,
+                                       bInheritHandle: BOOL,
+                                       dwOptions: DWORD)
+                                       -> BOOL;
+                pub fn CloseHandle(hObject: HANDLE) -> BOOL;
+                pub fn OpenProcess(dwDesiredAccess: DWORD,
+                                   bInheritHandle: BOOL,
+                                   dwProcessId: DWORD)
+                                   -> HANDLE;
+                pub fn GetCurrentProcess() -> HANDLE;
+                pub fn CreateProcessA(lpApplicationName: LPCTSTR,
+                                      lpCommandLine: LPTSTR,
+                                      lpProcessAttributes:
+                                      LPSECURITY_ATTRIBUTES,
+                                      lpThreadAttributes:
+                                      LPSECURITY_ATTRIBUTES,
+                                      bInheritHandles: BOOL,
+                                      dwCreationFlags: DWORD,
+                                      lpEnvironment: LPVOID,
+                                      lpCurrentDirectory: LPCTSTR,
+                                      lpStartupInfo: LPSTARTUPINFO,
+                                      lpProcessInformation:
+                                      LPPROCESS_INFORMATION)
+                                      -> BOOL;
+                pub fn WaitForSingleObject(hHandle: HANDLE,
+                                           dwMilliseconds: DWORD)
+                                           -> DWORD;
+                pub fn TerminateProcess(hProcess: HANDLE, uExitCode: c_uint)
+                                        -> BOOL;
+                pub fn GetExitCodeProcess(hProcess: HANDLE,
+                                          lpExitCode: LPDWORD)
+                                          -> BOOL;
+                pub fn GetSystemInfo(lpSystemInfo: LPSYSTEM_INFO);
+                pub fn VirtualAlloc(lpAddress: LPVOID,
+                                    dwSize: SIZE_T,
+                                    flAllocationType: DWORD,
+                                    flProtect: DWORD)
+                                    -> LPVOID;
+                pub fn VirtualFree(lpAddress: LPVOID,
+                                   dwSize: SIZE_T,
+                                   dwFreeType: DWORD)
+                                   -> BOOL;
+                pub fn VirtualLock(lpAddress: LPVOID, dwSize: SIZE_T) -> BOOL;
+                pub fn VirtualUnlock(lpAddress: LPVOID, dwSize: SIZE_T)
+                                     -> BOOL;
+                pub fn VirtualProtect(lpAddress: LPVOID,
+                                      dwSize: SIZE_T,
+                                      flNewProtect: DWORD,
+                                      lpflOldProtect: LPDWORD)
+                                      -> BOOL;
+                pub fn VirtualQuery(lpAddress: LPCVOID,
+                                    lpBuffer: LPMEMORY_BASIC_INFORMATION,
+                                    dwLength: SIZE_T)
+                                    -> SIZE_T;
+                pub fn CreateFileMappingW(hFile: HANDLE,
+                                          lpAttributes: LPSECURITY_ATTRIBUTES,
+                                          flProtect: DWORD,
+                                          dwMaximumSizeHigh: DWORD,
+                                          dwMaximumSizeLow: DWORD,
+                                          lpName: LPCTSTR)
+                                          -> HANDLE;
+                pub fn MapViewOfFile(hFileMappingObject: HANDLE,
+                                     dwDesiredAccess: DWORD,
+                                     dwFileOffsetHigh: DWORD,
+                                     dwFileOffsetLow: DWORD,
+                                     dwNumberOfBytesToMap: SIZE_T)
+                                     -> LPVOID;
+                pub fn UnmapViewOfFile(lpBaseAddress: LPCVOID) -> BOOL;
+            }
         }
 
         pub mod msvcrt {

src/libstd/os.rs

@@ -1042,12 +1042,19 @@ pub fn errno() -> uint {
     #[fixed_stack_segment]; #[inline(never)];
     use libc::types::os::arch::extra::DWORD;
 
+    #[cfg(target_arch = "x86")]
     #[link_name = "kernel32"]
     #[abi = "stdcall"]
     extern "stdcall" {
         fn GetLastError() -> DWORD;
     }
 
+    #[cfg(target_arch = "x86_64")]
+    #[link_name = "kernel32"]
+    extern {
+        fn GetLastError() -> DWORD;
+    }
+
     unsafe {
         GetLastError() as uint
     }
@@ -1113,6 +1120,7 @@ pub fn last_os_error() -> ~str {
         use libc::types::os::arch::extra::LPSTR;
         use libc::types::os::arch::extra::LPVOID;
 
+        #[cfg(target_arch = "x86")]
         #[link_name = "kernel32"]
         #[abi = "stdcall"]
         extern "stdcall" {
@@ -1126,6 +1134,19 @@ pub fn last_os_error() -> ~str {
                               -> DWORD;
         }
 
+        #[cfg(target_arch = "x86_64")]
+        #[link_name = "kernel32"]
+        extern {
+            fn FormatMessageA(flags: DWORD,
+                              lpSrc: LPVOID,
+                              msgId: DWORD,
+                              langId: DWORD,
+                              buf: LPSTR,
+                              nsize: DWORD,
+                              args: *c_void)
+                              -> DWORD;
+        }
+
         static FORMAT_MESSAGE_FROM_SYSTEM: DWORD = 0x00001000;
         static FORMAT_MESSAGE_IGNORE_INSERTS: DWORD = 0x00000200;
 
@@ -1241,7 +1262,7 @@ fn real_args() -> ~[~str] {
 
 type LPCWSTR = *u16;
 
-#[cfg(windows)]
+#[cfg(windows, target_arch = "x86")]
 #[link_name="kernel32"]
 #[abi="stdcall"]
 extern "stdcall" {
@@ -1249,13 +1270,26 @@ extern "stdcall" {
     fn LocalFree(ptr: *c_void);
 }
 
-#[cfg(windows)]
+#[cfg(windows, target_arch = "x86_64")]
+#[link_name="kernel32"]
+extern {
+    fn GetCommandLineW() -> LPCWSTR;
+    fn LocalFree(ptr: *c_void);
+}
+
+#[cfg(windows, target_arch = "x86")]
 #[link_name="shell32"]
 #[abi="stdcall"]
 extern "stdcall" {
     fn CommandLineToArgvW(lpCmdLine: LPCWSTR, pNumArgs: *mut c_int) -> **u16;
 }
 
+#[cfg(windows, target_arch = "x86_64")]
+#[link_name="shell32"]
+extern {
+    fn CommandLineToArgvW(lpCmdLine: LPCWSTR, pNumArgs: *mut c_int) -> **u16;
+}
+
 struct OverriddenArgs {
     val: ~[~str]
 }

src/libstd/rt/thread_local_storage.rs

@@ -86,7 +86,7 @@ pub unsafe fn get(key: Key) -> *mut c_void {
     TlsGetValue(key)
 }
 
-#[cfg(windows)]
+#[cfg(windows, target_arch = "x86")]
 #[abi = "stdcall"]
 extern "stdcall" {
        fn TlsAlloc() -> DWORD;
@@ -94,6 +94,13 @@ extern "stdcall" {
        fn TlsGetValue(dwTlsIndex: DWORD) -> LPVOID;
 }
 
+#[cfg(windows, target_arch = "x86_64")]
+extern {
+       fn TlsAlloc() -> DWORD;
+       fn TlsSetValue(dwTlsIndex: DWORD, lpTlsvalue: LPVOID) -> BOOL;
+       fn TlsGetValue(dwTlsIndex: DWORD) -> LPVOID;
+}
+
 #[test]
 fn tls_smoke_test() {
     use cast::transmute;

src/libstd/unstable/dynamic_lib.rs

@@ -252,6 +252,7 @@ mod dl {
         FreeLibrary(handle); ()
     }
 
+    #[cfg(target_arch = "x86")]
     #[link_name = "kernel32"]
     extern "stdcall" {
         fn SetLastError(error: u32);
@@ -261,4 +262,15 @@ mod dl {
         fn GetProcAddress(handle: *libc::c_void, name: *libc::c_char) -> *libc::c_void;
         fn FreeLibrary(handle: *libc::c_void);
     }
+
+    #[cfg(target_arch = "x86_64")]
+    #[link_name = "kernel32"]
+    extern {
+        fn SetLastError(error: u32);
+        fn LoadLibraryW(name: *u16) -> *libc::c_void;
+        fn GetModuleHandleExW(dwFlags: libc::DWORD, name: *u16,
+                              handle: **libc::c_void) -> *libc::c_void;
+        fn GetProcAddress(handle: *libc::c_void, name: *libc::c_char) -> *libc::c_void;
+        fn FreeLibrary(handle: *libc::c_void);
+    }
 }