diff options
Diffstat (limited to 'elf/link.h')
| -rw-r--r-- | elf/link.h | 83 |
1 files changed, 7 insertions, 76 deletions
diff --git a/elf/link.h b/elf/link.h index 076531d6e7..6d5ad9d98c 100644 --- a/elf/link.h +++ b/elf/link.h @@ -1,6 +1,6 @@ /* Data structure for communication from the run-time dynamic linker for loaded ELF shared objects. - Copyright (C) 1995-2001, 2004, 2005, 2006 Free Software Foundation, Inc. + Copyright (C) 1995-1999, 2000, 2001, 2004 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -33,7 +33,6 @@ #define _ElfW_1(e,w,t) e##w##t #include <bits/elfclass.h> /* Defines __ELF_NATIVE_CLASS. */ -#include <bits/link.h> /* Rendezvous structure used by the run-time dynamic linker to communicate details of shared object loading to the debugger. If the executable's @@ -95,46 +94,6 @@ struct link_map #ifdef __USE_GNU -/* Version numbers for la_version handshake interface. */ -#define LAV_CURRENT 1 - -/* Activity types signaled through la_activity. */ -enum - { - LA_ACT_CONSISTENT, /* Link map consistent again. */ - LA_ACT_ADD, /* New object will be added. */ - LA_ACT_DELETE /* Objects will be removed. */ - }; - -/* Values representing origin of name for dynamic loading. */ -enum - { - LA_SER_ORIG = 0x01, /* Original name. */ - LA_SER_LIBPATH = 0x02, /* Directory from LD_LIBRARY_PATH. */ - LA_SER_RUNPATH = 0x04, /* Directory from RPATH/RUNPATH. */ - LA_SER_CONFIG = 0x08, /* Found through ldconfig. */ - LA_SER_DEFAULT = 0x40, /* Default directory. */ - LA_SER_SECURE = 0x80 /* Unused. */ - }; - -/* Values for la_objopen return value. */ -enum - { - LA_FLG_BINDTO = 0x01, /* Audit symbols bound to this object. */ - LA_FLG_BINDFROM = 0x02 /* Audit symbols bound from this object. */ - }; - -/* Values for la_symbind flags parameter. */ -enum - { - LA_SYMB_NOPLTENTER = 0x01, /* la_pltenter will not be called. */ - LA_SYMB_NOPLTEXIT = 0x02, /* la_pltexit will not be called. */ - LA_SYMB_STRUCTCALL = 0x04, /* Return value is a structure. */ - LA_SYMB_DLSYM = 0x08, /* Binding due to dlsym call. */ - LA_SYMB_ALTVALUE = 0x10 /* Value has been changed by a previous - la_symbind call. */ - }; - struct dl_phdr_info { ElfW(Addr) dlpi_addr; @@ -142,50 +101,22 @@ struct dl_phdr_info const ElfW(Phdr) *dlpi_phdr; ElfW(Half) dlpi_phnum; - /* Note: Following members were introduced after the first + /* Note: the next two members were introduced after the first version of this structure was available. Check the SIZE - argument passed to the dl_iterate_phdr callback to determine - whether or not each later member is available. */ + argument passed to the dl_iterate_phdr() callback to determine + whether or not they are provided. */ /* Incremented when a new object may have been added. */ unsigned long long int dlpi_adds; /* Incremented when an object may have been removed. */ unsigned long long int dlpi_subs; - - /* If there is a PT_TLS segment, its module ID as used in - TLS relocations, else zero. */ - size_t dlpi_tls_modid; - - /* The address of the calling thread's instance of this module's - PT_TLS segment, if it has one and it has been allocated - in the calling thread, otherwise a null pointer. */ - void *dlpi_tls_data; }; __BEGIN_DECLS -extern int dl_iterate_phdr (int (*__callback) (struct dl_phdr_info *, - size_t, void *), - void *__data); - - -/* Prototypes for the ld.so auditing interfaces. These are not - defined anywhere in ld.so but instead have to be provided by the - auditing DSO. */ -extern unsigned int la_version (unsigned int __version); -extern void la_activity (uintptr_t *__cookie, unsigned int __flag); -extern char *la_objsearch (const char *__name, uintptr_t *__cookie, - unsigned int __flag); -extern unsigned int la_objopen (struct link_map *__map, Lmid_t __lmid, - uintptr_t *__cookie); -extern void la_preinit (uintptr_t *__cookie); -extern uintptr_t la_symbind32 (Elf32_Sym *__sym, unsigned int __ndx, - uintptr_t *__refcook, uintptr_t *__defcook, - unsigned int *__flags, const char *__symname); -extern uintptr_t la_symbind64 (Elf64_Sym *__sym, unsigned int __ndx, - uintptr_t *__refcook, uintptr_t *__defcook, - unsigned int *__flags, const char *__symname); -extern unsigned int la_objclose (uintptr_t *__cookie); +extern int dl_iterate_phdr (int (*callback) (struct dl_phdr_info *info, + size_t size, void *data), + void *data); __END_DECLS |