diff options
Diffstat (limited to 'include/link.h')
| -rw-r--r-- | include/link.h | 86 |
1 files changed, 78 insertions, 8 deletions
diff --git a/include/link.h b/include/link.h index 14489816f..b77f0e95b 100644 --- a/include/link.h +++ b/include/link.h @@ -1,6 +1,6 @@ /* Data structure for communication from the run-time dynamic linker for loaded ELF shared objects. - Copyright (C) 1995-1999, 2000, 2001, 2004 Free Software Foundation, Inc. + Copyright (C) 1995-2001, 2004, 2005, 2006 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 @@ -133,7 +133,47 @@ struct link_map #endif }; -#ifdef __USE_GNU +#if 0 /* #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 { @@ -147,23 +187,53 @@ struct dl_phdr_info ElfW(Half) dlpi_phnum; #if 0 - /* Note: the next two members were introduced after the first + /* Note: Following 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 they are provided. */ + argument passed to the dl_iterate_phdr callback to determine + whether or not each later member is available. */ /* 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; #endif }; __BEGIN_DECLS -extern int dl_iterate_phdr (int (*callback) (struct dl_phdr_info *info, - size_t size, void *data), - void *data); +extern int dl_iterate_phdr (int (*__callback) (struct dl_phdr_info *, + size_t, void *), + void *__data); + + +#if 0 +/* 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); +#endif __END_DECLS |