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author | Ulrich Drepper <drepper@redhat.com> | 2005-01-06 22:40:27 +0000 |
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committer | Ulrich Drepper <drepper@redhat.com> | 2005-01-06 22:40:27 +0000 |
commit | 9dcafc559763e339d4a79580c333127033e39c11 (patch) | |
tree | 342441fed429693bc69d95addc588e10a7d021c4 /elf/link.h | |
parent | f14038f2e295e7994e2317127cdea1cb26db6be1 (diff) | |
download | glibc-9dcafc559763e339d4a79580c333127033e39c11.zip glibc-9dcafc559763e339d4a79580c333127033e39c11.tar.gz glibc-9dcafc559763e339d4a79580c333127033e39c11.tar.bz2 |
* csu/elf-init.c (__libc_csu_fini): Don't do anything here.
* sysdeps/generic/libc-start.c: Don't register program destructor here.
* dlfcn/Makefile: Add rules to build dlfcn.c.
(LDFLAGS-dl.so): Removed.
* dlfcn/dlclose.c: _dl_close is now in ld.so, use function pointer
table.
* dlfcn/dlmopen.c: Likewise for _dl_open.
* dlfcn/dlopen.c: Likewise.
* dlfcn/dlopenold.c: Likewise.
* elf/dl-libc.c: Likewise for _dl_open and _dl_close.
* elf/Makefile (routines): Remove dl-open and dl-close.
(dl-routines): Add dl-open, dl-close, and dl-trampoline.
Add rules to build and run tst-audit1.
* elf/tst-audit1.c: New file.
* elf/tst-auditmod1.c: New file.
* elf/Versions [libc]: Remove _dl_open and _dl_close.
* elf/dl-close.c: Change for use inside ld.so instead of libc.so.
* elf/dl-open.c: Likewise.
* elf/dl-debug.c (_dl_debug_initialize): Allow reinitialization,
signaled by nonzero parameter.
* elf/dl-init.c: Fix use of r_state.
* elf/dl-load.c: Likewise.
* elf/dl-close.c: Add auditing checkpoints.
* elf/dl-open.c: Likewise.
* elf/dl-fini.c: Likewise.
* elf/dl-load.c: Likewise.
* elf/dl-sym.c: Likewise.
* sysdeps/generic/libc-start.c: Likewise.
* elf/dl-object.c: Allocate memory for auditing information.
* elf/dl-reloc.c: Remove RESOLV. We now always need the map.
Correctly initialize slotinfo.
* elf/dynamic-link.h: Adjust after removal of RESOLV.
* sysdeps/hppa/dl-lookupcfg.h: Likewise.
* sysdeps/ia64/dl-lookupcfg.h: Likewise.
* sysdeps/powerpc/powerpc64/dl-lookupcfg.h: Removed.
* elf/dl-runtime.c (_dl_fixup): Little cleanup.
(_dl_profile_fixup): New parameters to point to register struct and
variable for frame size.
Add auditing checkpoints.
(_dl_call_pltexit): New function.
Don't define trampoline code here.
* elf/rtld.c: Recognize LD_AUDIT. Load modules on startup.
Remove all the functions from _rtld_global_ro which only _dl_open
and _dl_close needed.
Add auditing checkpoints.
* elf/link.h: Define symbols for auditing interfaces.
* include/link.h: Likewise.
* include/dlfcn.h: Define __RTLD_AUDIT.
Remove prototypes for _dl_open and _dl_close.
Adjust access to argc and argv in libdl.
* dlfcn/dlfcn.c: New file.
* sysdeps/generic/dl-lookupcfg.h: Remove all content now that RESOLVE
is gone.
* sysdeps/generic/ldsodefs.h: Add definitions for auditing interfaces.
* sysdeps/generic/unsecvars.h: Add LD_AUDIT.
* sysdeps/i386/dl-machine.h: Remove trampoline code here.
Adjust for removal of RESOLVE.
* sysdeps/x86_64/dl-machine.h: Likewise.
* sysdeps/generic/dl-trampoline.c: New file.
* sysdeps/i386/dl-trampoline.c: New file.
* sysdeps/x86_64/dl-trampoline.c: New file.
* sysdeps/generic/dl-tls.c: Cleanups. Fixup for dtv_t change.
Fix updating of DTV.
* sysdeps/generic/libc-tls.c: Likewise.
* sysdeps/arm/bits/link.h: Renamed to ...
* sysdeps/arm/buts/linkmap.h: ...this.
* sysdeps/generic/bits/link.h: Renamed to...
* sysdeps/generic/bits/linkmap.h: ...this.
* sysdeps/hppa/bits/link.h: Renamed to...
* sysdeps/hppa/bits/linkmap.h: ...this.
* sysdeps/hppa/i386/link.h: Renamed to...
* sysdeps/hppa/i386/linkmap.h: ...this.
* sysdeps/hppa/ia64/link.h: Renamed to...
* sysdeps/hppa/ia64/linkmap.h: ...this.
* sysdeps/hppa/s390/link.h: Renamed to...
* sysdeps/hppa/s390/linkmap.h: ...this.
* sysdeps/hppa/sh/link.h: Renamed to...
* sysdeps/hppa/sh/linkmap.h: ...this.
* sysdeps/hppa/x86_64/link.h: Renamed to...
* sysdeps/hppa/x86_64/linkmap.h: ...this.
2005-01-06 Ulrich Drepper <drepper@redhat.com>
* allocatestack.c (init_one_static_tls): Adjust initialization of DTV
entry for static tls deallocation fix.
* sysdeps/alpha/tls.h (dtv_t): Change pointer type to be struct which
also contains information whether the memory pointed to is static
TLS or not.
* sysdeps/i386/tls.h: Likewise.
* sysdeps/ia64/tls.h: Likewise.
* sysdeps/powerpc/tls.h: Likewise.
* sysdeps/s390/tls.h: Likewise.
* sysdeps/sh/tls.h: Likewise.
* sysdeps/sparc/tls.h: Likewise.
* sysdeps/x86_64/tls.h: Likewise.
Diffstat (limited to 'elf/link.h')
-rw-r--r-- | elf/link.h | 69 |
1 files changed, 65 insertions, 4 deletions
@@ -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 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 @@ -33,6 +33,7 @@ #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 @@ -94,6 +95,47 @@ 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; @@ -114,9 +156,28 @@ struct dl_phdr_info __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); + + +/* 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); __END_DECLS |