$ .\setup-x86_64.exe -P make flex bison automake pkg-config gettext-devel gcc-core mingw64-x86_64-gcc-core vim
# System types: # --build=BUILD configure for building on BUILD [guessed] # --host=HOST cross-compile to build programs to run on HOST [BUILD] $ ./configure --host=x86_64-w64-mingw32 $ ./configure --host=i686-w64-mingw32
# 下載源代碼和補丁。 $ cygport hidapi fetch # 打包。 $ cygport hidapi all
$ tar tvf hidapi.x86_64/dist/hidapi/libhidapi/libhidapi-hidapi-hidapi.tar.xz $ tar tvf hidapi.x86_64/dist/hidapi/libhidapi-devel/libhidapi-devel-hidapi-hidapi.tar.xz
$ cd / $ tar xvf hidapi.x86_64/dist/hidapi/libhidapi/libhidapi-hidapi-hidapi.tar.xz $ tar xvf hidapi.x86_64/dist/hidapi/libhidapi-devel/libhidapi-devel-hidapi-hidapi.tar.xz
$ eval "$(ssh-agent -s)" $ ssh-add ~/.ssh/id_rsa
# 當前目錄已存在欲上傳套件之目錄。 $ lftp sftp://cygwin@cygwin.com lftp cygwin@cygwin.com:~> ls -rw-rw-rw- 1 cygwin cygwin 53 Feb 11 01:40 !packages drwxrwxr-x 4 cygwin cygstage 4096 Feb 10 16:10 . drwxrwsr-x 62 cygwin cygstage 4096 Feb 10 16:10 .. drwxrwxr-x 3 cygwin cygwin 4096 Feb 10 16:10 x86 drwxrwxr-x 3 cygwin cygwin 4096 Feb 10 16:10 x86_64
# email 為本機端檔案，內存預收信的電郵地址。 $ put email -o !email
$ cd x86_64/release # 把本機端的 hidapi 上傳至 sftp。 $ mirror -eR hidapi $ ls drwxrwxr-x 3 cygwin cygwin 4096 Feb 11 01:54 . drwxrwxr-x 3 cygwin cygwin 4096 Feb 10 16:10 .. drwxr-xr-x 5 cygwin cygwin 4096 Feb 11 01:54 hidapi # 通知 upset 更新套件列表。 $ put /dev/null -o !ready
# 更新套件庫 $ pacman -Sy $ pacman -S mingw-w64-x86_64-gcc # 以 usb 關鍵字搜尋套件庫 $ pacman -Ss usb # 安裝 mingw-w64-x86_64 版本的 openocd $ pacman -S mingw64/mingw-w64-x86_64-openocd-git
$ wget http://mirrors.163.com/cygwin/release/cygwin/cygwin-1.7.16-1-src.tar.bz2 $ tar xvf cygwin-1.7.16-1-src.tar.bz2 $ tar xvf winsup-1.7.16.tar.bz2 # src/winsup/cygwin 實現 cygwin1.dll。 # src/winsup/w32api 實現 w32 API。 $ cd src/winsup/cygwin # 或是透過 CVS。目錄底下不可以有 src 目錄，避免下載不了。 # 會有 how-to 文件。 $ export CVSROOT=:pserver:anoncvs@cygwin.com:/cvs/src $ cvs login (Logging in to anoncvs@cygwin.com) CVS password: anoncvs $ cvs checkout winsup $ mkdir build install; cd build $ ../src/configure --prefix=$INSTALL --enable-debugging $ make -j
a DLL (cygwin1.dll) which acts as a Linux API layer providing substantial Linux API functionality.
cygwin1.dll 是 Linux 內核在 Windows 上的實現，它使用 Win32 API 實現 POSIX 系統呼叫。
Because we are trying to emulate a UNIX kernel which needs access to all processes running under it, the first Cygwin DLL to run creates shared memory areas that other processes using separate instances of the DLL can access. This is used to keep track of open file descriptors and assist fork and exec, among other purposes. In addition to the shared memory regions, every process also has a per_process structure that contains information such as process id, user id, signal masks, and other similar process-specific information.
參考 Installing and Updating Cygwin。setup.exe 用來初次安裝 cygwin 和其它套件。請安裝新版 GCC 以編譯 Cygwin。
(gdb) dll cygwin1 (gdb) b dll_crt0_1
extern "C" int fork () { frok grouped; debug_printf ("entering"); grouped.load_dlls = 0; int res; bool ischild = false; myself->set_has_pgid_children (); // 創建子進程。 if (grouped.ch.parent == NULL) return -1; ... 略 ... }
int __stdcall frok::parent (volatile char * volatile stack_here) { while (1) { hchild = NULL; rc = CreateProcessW (myself->progname, /* image to run */ myself->progname, /* what we send in arg0 */ &sec_none_nih, &sec_none_nih, TRUE, /* inherit handles from parent */ c_flags, NULL, /* environment filled in later */ 0, /* use current drive/directory */ &si, &pi); if (rc) debug_printf ("forked pid %u", pi.dwProcessId); else { this_errno = geterrno_from_win_error (); error ("CreateProcessW failed for '%W'", myself->progname); memset (&pi, 0, sizeof (pi)); goto cleanup; }