diff options
Diffstat (limited to 'include/dlfcn.h')
| -rw-r--r-- | include/dlfcn.h | 140 |
1 files changed, 0 insertions, 140 deletions
diff --git a/include/dlfcn.h b/include/dlfcn.h deleted file mode 100644 index 2524292ebc..0000000000 --- a/include/dlfcn.h +++ /dev/null @@ -1,140 +0,0 @@ -#ifndef _DLFCN_H -#include <dlfcn/dlfcn.h> -#ifndef _ISOMAC -#include <link.h> /* For ElfW. */ -#include <stdbool.h> - -/* Internally used flag. */ -#define __RTLD_DLOPEN 0x80000000 -#define __RTLD_SPROF 0x40000000 -#define __RTLD_OPENEXEC 0x20000000 -#define __RTLD_CALLMAP 0x10000000 -#define __RTLD_AUDIT 0x08000000 -#define __RTLD_SECURE 0x04000000 /* Apply additional security checks. */ -#define __RTLD_NOIFUNC 0x02000000 /* Suppress calling ifunc functions. */ - -#define __LM_ID_CALLER -2 - -#ifdef SHARED -/* Locally stored program arguments. */ -extern int __dlfcn_argc attribute_hidden; -extern char **__dlfcn_argv attribute_hidden; -#else -/* These variables are defined and initialized in the startup code. */ -extern int __libc_argc attribute_hidden; -extern char **__libc_argv attribute_hidden; - -# define __dlfcn_argc __libc_argc -# define __dlfcn_argv __libc_argv -#endif - - -/* Now define the internal interfaces. */ - -#define __libc_dlopen(name) \ - __libc_dlopen_mode (name, RTLD_LAZY | __RTLD_DLOPEN) -extern void *__libc_dlopen_mode (const char *__name, int __mode); -extern void *__libc_dlsym (void *__map, const char *__name); -extern int __libc_dlclose (void *__map); -libc_hidden_proto (__libc_dlopen_mode) -libc_hidden_proto (__libc_dlsym) -libc_hidden_proto (__libc_dlclose) - -/* Locate shared object containing the given address. */ -#ifdef ElfW -extern int _dl_addr (const void *address, Dl_info *info, - struct link_map **mapp, const ElfW(Sym) **symbolp) - internal_function; -libc_hidden_proto (_dl_addr) -#endif - -struct link_map; - -/* Close an object previously opened by _dl_open. */ -extern void _dl_close (void *map) attribute_hidden; -/* Same as above, but without locking and safety checks for user - provided map arguments. */ -extern void _dl_close_worker (struct link_map *map, bool force) - attribute_hidden; - -/* Look up NAME in shared object HANDLE (which may be RTLD_DEFAULT or - RTLD_NEXT). WHO is the calling function, for RTLD_NEXT. Returns - the symbol value, which may be NULL. */ -extern void *_dl_sym (void *handle, const char *name, void *who) - internal_function; - -/* Look up version VERSION of symbol NAME in shared object HANDLE - (which may be RTLD_DEFAULT or RTLD_NEXT). WHO is the calling - function, for RTLD_NEXT. Returns the symbol value, which may be - NULL. */ -extern void *_dl_vsym (void *handle, const char *name, const char *version, - void *who) - internal_function; - -/* Helper function for <dlfcn.h> functions. Runs the OPERATE function via - _dl_catch_error. Returns zero for success, nonzero for failure; and - arranges for `dlerror' to return the error details. - ARGS is passed as argument to OPERATE. */ -extern int _dlerror_run (void (*operate) (void *), void *args) - internal_function; - -#ifdef SHARED -# define DL_CALLER_DECL /* Nothing */ -# define DL_CALLER RETURN_ADDRESS (0) -#else -# define DL_CALLER_DECL , void *dl_caller -# define DL_CALLER dl_caller -#endif - -struct dlfcn_hook -{ - void *(*dlopen) (const char *file, int mode, void *dl_caller); - int (*dlclose) (void *handle); - void *(*dlsym) (void *handle, const char *name, void *dl_caller); - void *(*dlvsym) (void *handle, const char *name, const char *version, - void *dl_caller); - char *(*dlerror) (void); - int (*dladdr) (const void *address, Dl_info *info); - int (*dladdr1) (const void *address, Dl_info *info, - void **extra_info, int flags); - int (*dlinfo) (void *handle, int request, void *arg, void *dl_caller); - void *(*dlmopen) (Lmid_t nsid, const char *file, int mode, void *dl_caller); - void *pad[4]; -}; - -extern struct dlfcn_hook *_dlfcn_hook; -libdl_hidden_proto (_dlfcn_hook) - -extern void *__dlopen (const char *file, int mode DL_CALLER_DECL) - attribute_hidden; -extern void *__dlmopen (Lmid_t nsid, const char *file, int mode DL_CALLER_DECL) - attribute_hidden; -extern int __dlclose (void *handle) - attribute_hidden; -extern void *__dlsym (void *handle, const char *name DL_CALLER_DECL) - attribute_hidden; -extern void *__dlvsym (void *handle, const char *name, const char *version - DL_CALLER_DECL) - attribute_hidden; -extern char *__dlerror (void) - attribute_hidden; -extern int __dladdr (const void *address, Dl_info *info) - attribute_hidden; -extern int __dladdr1 (const void *address, Dl_info *info, - void **extra_info, int flags) - attribute_hidden; -extern int __dlinfo (void *handle, int request, void *arg DL_CALLER_DECL) - attribute_hidden; - -#ifndef SHARED -struct link_map; -extern void * __libc_dlsym_private (struct link_map *map, const char *name) - attribute_hidden; -extern void __libc_register_dl_open_hook (struct link_map *map) - attribute_hidden; -extern void __libc_register_dlfcn_hook (struct link_map *map) - attribute_hidden; -#endif -#endif - -#endif |