Index: mozilla/nsprpub/pr/include/prlink.h |
=================================================================== |
--- mozilla/nsprpub/pr/include/prlink.h (revision 191424) |
+++ mozilla/nsprpub/pr/include/prlink.h (working copy) |
@@ -1,230 +0,0 @@ |
-/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ |
-/* This Source Code Form is subject to the terms of the Mozilla Public |
- * License, v. 2.0. If a copy of the MPL was not distributed with this |
- * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
- |
-#ifndef prlink_h___ |
-#define prlink_h___ |
- |
-/* |
-** API to static and dynamic linking. |
-*/ |
-#include "prtypes.h" |
- |
-PR_BEGIN_EXTERN_C |
- |
-typedef struct PRLibrary PRLibrary; |
- |
-typedef struct PRStaticLinkTable { |
- const char *name; |
- void (*fp)(void); |
-} PRStaticLinkTable; |
- |
-/* |
-** Change the default library path to the given string. The string is |
-** copied. This call will fail if it runs out of memory. |
-** |
-** The string provided as 'path' is copied. The caller can do whatever is |
-** convenient with the argument when the function is complete. |
-*/ |
-NSPR_API(PRStatus) PR_SetLibraryPath(const char *path); |
- |
-/* |
-** Return a character string which contains the path used to search for |
-** dynamically loadable libraries. |
-** |
-** The returned value is basically a copy of a PR_SetLibraryPath(). |
-** The storage is allocated by the runtime and becomes the responsibilty |
-** of the caller. |
-*/ |
-NSPR_API(char*) PR_GetLibraryPath(void); |
- |
-/* |
-** Given a directory name "dir" and a library name "lib" construct a full |
-** path name that will refer to the actual dynamically loaded |
-** library. This does not test for existance of said file, it just |
-** constructs the full filename. The name constructed is system dependent |
-** and prepared for PR_LoadLibrary. The result must be free'd when the |
-** caller is done with it. |
-** |
-** The storage for the result is allocated by the runtime and becomes the |
-** responsibility of the caller. |
-*/ |
-NSPR_API(char*) PR_GetLibraryName(const char *dir, const char *lib); |
- |
-/* |
-** |
-** Free the memory allocated, for the caller, by PR_GetLibraryName |
-*/ |
-NSPR_API(void) PR_FreeLibraryName(char *mem); |
- |
-/* |
-** Given a library "name" try to load the library. The argument "name" |
-** is a machine-dependent name for the library, such as the full pathname |
-** returned by PR_GetLibraryName. If the library is already loaded, |
-** this function will avoid loading the library twice. |
-** |
-** If the library is loaded successfully, then a pointer to the PRLibrary |
-** structure representing the library is returned. Otherwise, NULL is |
-** returned. |
-** |
-** This increments the reference count of the library. |
-*/ |
-NSPR_API(PRLibrary*) PR_LoadLibrary(const char *name); |
- |
-/* |
-** Each operating system has its preferred way of specifying |
-** a file in the file system. Most operating systems use |
-** a pathname. Mac OS Classic, on the other hand, uses the FSSpec |
-** structure to specify a file. PRLibSpec allows NSPR clients |
-** to use the type of file specification that is most efficient |
-** for a particular platform. |
-** |
-** On some operating systems such as Mac OS Classic, a shared library |
-** may contain code fragments that can be individually loaded. |
-** PRLibSpec also allows NSPR clients to identify a code fragment |
-** in a library, if code fragments are supported by the OS. |
-** A code fragment can be specified by name or by an integer index. |
-** |
-** Right now PRLibSpec supports four types of library specification: |
-** a pathname in the native character encoding, a Mac code fragment |
-** by name, a Mac code fragment by index, and a UTF-16 pathname. |
-*/ |
- |
-typedef enum PRLibSpecType { |
- PR_LibSpec_Pathname, |
- PR_LibSpec_MacNamedFragment, /* obsolete (for Mac OS Classic) */ |
- PR_LibSpec_MacIndexedFragment, /* obsolete (for Mac OS Classic) */ |
- PR_LibSpec_PathnameU /* supported only on Win32 */ |
-} PRLibSpecType; |
- |
-struct FSSpec; /* Mac OS Classic FSSpec */ |
- |
-typedef struct PRLibSpec { |
- PRLibSpecType type; |
- union { |
- /* if type is PR_LibSpec_Pathname */ |
- const char *pathname; |
- |
- /* if type is PR_LibSpec_MacNamedFragment */ |
- struct { |
- const struct FSSpec *fsspec; |
- const char *name; |
- } mac_named_fragment; /* obsolete (for Mac OS Classic) */ |
- |
- /* if type is PR_LibSpec_MacIndexedFragment */ |
- struct { |
- const struct FSSpec *fsspec; |
- PRUint32 index; |
- } mac_indexed_fragment; /* obsolete (for Mac OS Classic) */ |
- |
- /* if type is PR_LibSpec_PathnameU */ |
- const PRUnichar *pathname_u; /* supported only on Win32 */ |
- } value; |
-} PRLibSpec; |
- |
-/* |
-** The following bit flags may be or'd together and passed |
-** as the 'flags' argument to PR_LoadLibraryWithFlags. |
-** Flags not supported by the underlying OS are ignored. |
-*/ |
- |
-#define PR_LD_LAZY 0x1 /* equivalent to RTLD_LAZY on Unix */ |
-#define PR_LD_NOW 0x2 /* equivalent to RTLD_NOW on Unix */ |
-#define PR_LD_GLOBAL 0x4 /* equivalent to RTLD_GLOBAL on Unix */ |
-#define PR_LD_LOCAL 0x8 /* equivalent to RTLD_LOCAL on Unix */ |
-/* The following is equivalent to LOAD_WITH_ALTERED_SEARCH_PATH on Windows */ |
-#define PR_LD_ALT_SEARCH_PATH 0x10 |
-/* 0x8000 reserved for NSPR internal use */ |
- |
-/* |
-** Load the specified library, in the manner specified by 'flags'. |
-*/ |
- |
-NSPR_API(PRLibrary *) |
-PR_LoadLibraryWithFlags( |
- PRLibSpec libSpec, /* the shared library */ |
- PRIntn flags /* flags that affect the loading */ |
-); |
- |
-/* |
-** Unload a previously loaded library. If the library was a static |
-** library then the static link table will no longer be referenced. The |
-** associated PRLibrary object is freed. |
-** |
-** PR_FAILURE is returned if the library cannot be unloaded. |
-** |
-** This function decrements the reference count of the library. |
-*/ |
-NSPR_API(PRStatus) PR_UnloadLibrary(PRLibrary *lib); |
- |
-/* |
-** Given the name of a procedure, return the address of the function that |
-** implements the procedure, or NULL if no such function can be |
-** found. This does not find symbols in the main program (the ".exe"); |
-** use PR_LoadStaticLibrary to register symbols in the main program. |
-** |
-** This function does not modify the reference count of the library. |
-*/ |
-NSPR_API(void*) PR_FindSymbol(PRLibrary *lib, const char *name); |
- |
-/* |
-** Similar to PR_FindSymbol, except that the return value is a pointer to |
-** a function, and not a pointer to void. Casting between a data pointer |
-** and a function pointer is not portable according to the C standard. |
-** Any function pointer can be cast to any other function pointer. |
-** |
-** This function does not modify the reference count of the library. |
-*/ |
-typedef void (*PRFuncPtr)(void); |
-NSPR_API(PRFuncPtr) PR_FindFunctionSymbol(PRLibrary *lib, const char *name); |
- |
-/* |
-** Finds a symbol in one of the currently loaded libraries. Given the |
-** name of a procedure, return the address of the function that |
-** implements the procedure, and return the library that contains that |
-** symbol, or NULL if no such function can be found. This does not find |
-** symbols in the main program (the ".exe"); use PR_AddStaticLibrary to |
-** register symbols in the main program. |
-** |
-** This increments the reference count of the library. |
-*/ |
-NSPR_API(void*) PR_FindSymbolAndLibrary(const char *name, |
- PRLibrary* *lib); |
- |
-/* |
-** Similar to PR_FindSymbolAndLibrary, except that the return value is |
-** a pointer to a function, and not a pointer to void. Casting between a |
-** data pointer and a function pointer is not portable according to the C |
-** standard. Any function pointer can be cast to any other function pointer. |
-** |
-** This increments the reference count of the library. |
-*/ |
-NSPR_API(PRFuncPtr) PR_FindFunctionSymbolAndLibrary(const char *name, |
- PRLibrary* *lib); |
- |
-/* |
-** Register a static link table with the runtime under the name |
-** "name". The symbols present in the static link table will be made |
-** available to PR_FindSymbol. If "name" is null then the symbols will be |
-** made available to the library which represents the executable. The |
-** tables are not copied. |
-** |
-** Returns the library object if successful, null otherwise. |
-** |
-** This increments the reference count of the library. |
-*/ |
-NSPR_API(PRLibrary*) PR_LoadStaticLibrary( |
- const char *name, const PRStaticLinkTable *table); |
- |
-/* |
-** Return the pathname of the file that the library "name" was loaded |
-** from. "addr" is the address of a function defined in the library. |
-** |
-** The caller is responsible for freeing the result with PR_Free. |
-*/ |
-NSPR_API(char *) PR_GetLibraryFilePathname(const char *name, PRFuncPtr addr); |
- |
-PR_END_EXTERN_C |
- |
-#endif /* prlink_h___ */ |