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path: root/elf/dl-symbol.c
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1999-07-23Update.Ulrich Drepper1-3/+2
* posix/unistd.h: Move declaration of __libc_enable_secure to... * include/unistd.h: ...here. * elf/dl-open.c (dl_open_worker): If DST is used in SUID program punt. * elf/dl-deps.c (expand_dst): Likewise. * elf/dynamic-link.h: Set DT_SYMBOLIC, DT_TEXTREL, and DT_BIND_NOW based on DT_FLAGS value. * elf/do-lookup.h: Remove reference_name parameter, add undef_map. Add test for symbols marked STV_HIDDEN. * elf/dl-lookup.c (_dl_lookup_symbol): Remove reference_name parameter, add undef_map. Compute reference_name locally. Update call to do_lookup. (_dl_lookup_symbol_skip): Likewise. (_dl_lookup_versioned_symbol): Likewise. (_dl_lookup_versioned_symbol_skip): Likewise. * elf/dl-libc.c: Update call to _dl_lookup_*symbol. * elf/dl-runtime.c: Likewise. * elf/dl-sym.c: Likewise. * elf/dl-symbol.c: Likewise. * elf/ldsodefs.h: Adjust prototypes. * elf/dl-reloc.c (RESOLV): Add test for STV_PROTECTED flag set and handle appropriately. Add comment about DT_TEXTREL. * elf/dl-runtime.c: Likewise.
1998-09-06Update.Ulrich Drepper1-2/+2
1998-09-06 09:00 Ulrich Drepper <drepper@cygnus.com> * version.h (VERSION): Bump to 2.0.96. Rewrite runtime linker to be truly thread-safe. There is now no global variable specifying the scope. We create all needed scopes at the time the link maps are created. * elf/Versions [GLIBC_2.1]: Add _dl_loaded and _dl_main_searchlist. * elf/link.h: Add struct r_scope_elem and use this for l_searchlist, l_symbolic_searchlist, l_scope, and l_local_scope elements in struct link_map. * elf/dl-close.c: Rewritten accordingly. * elf/dl-deps.c: Likewise. * elf/dl-error.c: Likewise. * elf/dl-init.c: Likewise. * elf/dl-load.c: Likewise. * elf/dl-lookup.c: Likewise. * elf/dl-object.c: Likewise. * elf/dl-open.c: Likewise. * elf/dl-reloc.c: Likewise. * elf/dl-runtime.c: Likewise. * elf/dl-support.c: Likewise. * elf/dl-symbol.c: Likewise. * elf/dl-version.c: Likewise. * elf/dlfcn.h: Likewise. * elf/dlsym.c: Likewise. * elf/dlvsym.c: Likewise. * elf/ldsodefs.h: Likewise. * elf/rtld.c: Likewise. * iconv/gconv_dl.c: Likewise. * nss/nsswitch.c: Likewise. * sysdeps/i386/dl-machine.h: Likewise. * sysdeps/unix/sysv/linux/i386/dl-librecon.h: Likewise.
1998-04-02Update.Ulrich Drepper1-0/+1
* intl/finddomain.c: Likewise. * intl/gettextP.h: Likewise. * intl/loadmsgcat.c: Likewise.
1998-03-24Update.Ulrich Drepper1-2/+2
1998-03-24 Ulrich Drepper <drepper@cygnus.com> * elf/ldsodesf.h: New file. * elf/Makefile (distribute): Add ldsodefs.h. * elf/link.h: Separate internal information in exter header. * elf/rtld.c: Include elf/ldsodefs.h not link.h. * elf/dl-minimal.c: Likewise. * sysdeps/generic/dl-sysdep.c: Likewise. * elf/sprof.c: Likewise. * elf/dlsym.c: Likewise. * elf/dlvsym.c: Likewise. * elf/dlerror.c: Likewise. * elf/dladdr.c: Likewise. * elf/dlclose.c: Likewise. * elf/dlopen.c: Likewise. * elf/dl-addr.c: Likewise. * elf/dl-close.c: Likewise. * elf/dl-debug.c: Likewise. * elf/dl-deps.c: Likewise. * elf/dl-error.c: Likewise. * elf/dl-fini.c: Likewise. * elf/dl-init.c: Likewise. * elf/dl-load.c: Likewise. * elf/dl-lookup.c: Likewise. * elf/dl-object.c: Likewise. * elf/dl-open.c: Likewise. * elf/dl-profile.c: Likewise. * elf/dl-reloc.c: Likewise. * elf/dl-runtime.c: Likewise. * elf/dl-support.c: Likewise. * elf/dl-symbol.c: Likewise. * elf/dl-version.c: Likewise. * sysdeps/generic/dl-cache.c: Likewise. * sysdeps/generic/libc-start.c: Likewise. * iconv/gconv_dl.c: Likewise. * nss/nsswitch.c: Likewise.
1996-11-17update from main archive 961116cvs/libc-961119cvs/libc-961118cvs/libc-961117Ulrich Drepper1-14/+14
Sun Nov 17 03:13:57 1996 Ulrich Drepper <drepper@cygnus.com> * db/makedb.c: Update and reformat copyright. * elf/Makefile: Likewise. * elf/dl-close.c: Likewise. * elf/dl-debug.c: Likewise. * elf/dl-deps.c: Likewise. * elf/dl-error.c: Likewise. * elf/dl-fini.c: Likewise. * elf/dl-init.c: Likewise. * elf/dl-load.c: Likewise. * elf/dl-lookup.c: Likewise. * elf/dl-minimal.c: Likewise. * elf/dl-object.c: Likewise. * elf/dl-open.c: Likewise. * elf/dl-reloc.c: Likewise. * elf/dl-runtime.c: Likewise. * elf/dl-support.c: Likewise. * elf/dl-symbol.c: Likewise. * elf/dladdr.c: Likewise. * elf/dlclose.c: Likewise. * elf/dlerror.c: Likewise. * elf/dlopen.c: Likewise. * elf/dlsym.c: Likewise. * elf/do-rel.h: Likewise. * elf/dynamic-link.h: Likewise. * elf/eval.c: Likewise. * elf/rtld.c: Likewise. * inet/ether_hton.c: Likewise. * inet/ether_ntoh.c: Likewise. * inet/ether_line.c: Likewise. * inet/getnetgrent_r.c: Likewise. * inet/Makefile (+gccwarn): Remove definition. Instead set CFLAGS-rcmd.c, CFLAGS-rexec.c, and CFLAGS-ruserpass.c to `-w'. * inet/aliases.h: Add C++ protection. * inet/ether_hton.c: Add prototype for __nss_ethers_lookup. (ether_hostton): Remove unused variable result. * inet/ether_ntoh.c: Likewise. * inet/ether_line.c: Include <ctype.h> and <string.h>. * inet/getnetgrent_r.c: Include <stdlib.h>. Use casts to prevent warnings. (innetgr): Initialize `known' and `needed'. * inet/inet_net.c: Make local variable `i' of type u_int32_t. * nss/getXXbyYY_r.c (INTERNAL (REENTRANT_NAME)) [NEED__RES]: Don't return NULL. Instead set *RESULT to NULL and return -1. * nss/getXXent_r.c (INTERNAL (REENTRANT_GETNAME)): Likewise. (SETFUNC_NAME, ENDFUNC_NAME) [NEED__RES]: Don't return anything. * nss/nss_files/files-alias.c: Debug function. I didn't worked at all before. Sat Nov 16 15:25:34 1996 Ulrich Drepper <drepper@cygnus.com> * sysdeps/posix/readv.c: Don't use PTR anymore. * sysdeps/posix/writev.c: Likewise. * version.h (VERSION): Bump to 1.98. * nss/db-Makefile: Generate lines for getXXXent iteration. * sysdeps/alpha/Dist: Don't distribute removed files divlu.S, divqu.S, remlu.S, and remqu.S. Fri Nov 15 08:55:54 1996 Andreas Jaeger <aj@arthur.pfalz.de> * posix/unistd.h: Correct typo in documentation. Thu Nov 14 18:08:14 1996 a sun <asun@zoology.washington.edu> * inet/netinet/tcp.h: Use __ protected versions instead of BYTE_ORDER, LITTLE_ENDIAN, and BIG_ENDIAN directly. Sat Nov 16 13:44:55 1996 Ulrich Drepper <drepper@cygnus.com> * intl/loadmsgcat.c (_nl_msg_cat_cntr): Initialize so that references in libc.so are not anymore undefined. Sat Nov 16 18:17:36 1996 NIIBE Yutaka <gniibe@mri.co.jp> * io/utime.h: Rename second parameter for utime to prevent warning for -Wshadow. * dirent/dirent.h: Same here for scandir prototype. * math/mathcalls.h: Likewise for frexp and ldexp. * sysdeps/unix/sysv/linux/netinet/in.h: Likewise for bindresvport. Sat Nov 16 03:49:27 1996 Ulrich Drepper <drepper@cygnus.com> * stdlib/tst-strtod.c: Add test for error case below. Sat Nov 16 03:48:39 1996 Wolfram Gloger <Wolfram.Gloger@dent.med.uni-muenchen.de> * stdlib/strtod.c: Recognize numbers like 0e-19. Fri Nov 15 08:38:43 1996 Andreas Jaeger <aj@arthur.pfalz.de> * time/Makefile ($(installed-localtime-file)): Fix path to rellns-sh. * Makefile: Don't generate and install gnu/lib-names.h if $(build-shared) is not `yes'. Thu Nov 14 09:23:58 1996 H.J. Lu (hjl@gnu.ai.mit.edu) * sysdeps/posix/Makefile ($(common-objpfx)mk-stdiolim): Depend on $(..)posix/posix1_lim.h, not ../posix/posix1_lim.h. * Makerules (REAL_MAKE_VERSION): New, use it instead of MAKE_VERSION. Thu Nov 14 22:10:43 1996 Ulrich Drepper <drepper@cygnus.com> * nss/nss_files/files-XXX.x (_nss_files_get,ENTNAME_r): Fix typo. * nss/getXXent_r.c: Fix typo. Set correct return value when no further service is available. Thu Nov 14 17:48:13 1996 Ulrich Drepper <drepper@cygnus.com> * db/recno/rec_put.c: Add cast to avoid warning. * db/recno/rec_close.c: Likewise. * db/mpool/mpool.c: Likewise. * db/hash/hash_bigkey.h: Likewise. * db/hash/hash.c: Likewise. * db/btree/bt_split.c: Likewise. * db/btree/bt_put.c: Likewise. Thu Nov 14 14:11:44 1996 Ulrich Drepper <drepper@cygnus.com> * dirent/dirent.h: Update copyright. * elf/elf.h: Likewise. * elf/link.h: Likewise. * gmon/sys/gmon_out.h: Likewise. * gnu-versions.h: Likewise. * intl/libintl.h: Likewise. * io/fcntl.h: Likewise. * io/ftw.h: Likewise. * io/sys/statfs.h: Likewise. * io/utime.h: Likewise. * locale/langinfo.h: Likewise. * malloc/malloc.h: Likewise. * malloc/obstack.h: Likewise. * misc/ar.h: Likewise. * misc/error.h: Likewise. * misc/mntent.h: Likewise. * misc/sgtty.h: Likewise. * misc/sys/cdefs.h: Likewise. * misc/sys/dir.h: Likewise. * misc/sys/file.h: Likewise. * misc/sys/ioctl.h: Likewise. * misc/sys/ustat.h: Likewise. * posix/fnmatch.h: Likewise. * posix/getopt.h: Likewise. * posix/glob.h: Likewise. * posix/posix2_lim.h: Likewise. * posix/regex.h: Likewise. * posix/sys/times.h: Likewise. * posix/sys/types.h: Likewise. * posix/sys/utsname.h: Likewise. * posix/tar.h: Likewise. * posix/wordexp.h: Likewise. * resource/sys/resource.h: Likewise. * resource/sys/vlimit.h: Likewise. * resource/sys/vtimes.h: Likewise. * socket/sys/socket.h: Likewise. * socket/sys/un.h: Likewise. * stdio-common/printf.h: Likewise. * stdlib/alloca.h: Likewise. * string/argz.h: Likewise. * string/endian.h: Likewise. * string/envz.h: Likewise. * string/memory.h: Likewise. * string/strings.h: Likewise. * sysdeps/generic/crypt.h: Likewise. * sysdeps/generic/direntry.h: Likewise. * sysdeps/generic/gnu/types.h: Likewise. * sysdeps/generic/ioctl-types.h: Likewise. * sysdeps/generic/netinet/in.h: Likewise. * sysdeps/generic/resourcebits.h: Likewise. * sysdeps/generic/sigset.h: Likewise. * sysdeps/generic/sockaddrcom.h: Likewise. * sysdeps/generic/sys/mman.h: Likewise. * sysdeps/generic/sys/ptrace.h: Likewise. * sysdeps/generic/termbits.h: Likewise. * sysdeps/generic/waitstatus.h: Likewise. * sysdeps/ieee754/huge_val.h: Likewise. * sysdeps/ieee754/nan.h: Likewise. * sysdeps/mach/hurd/local_lim.h: Likewise. * sysdeps/mach/hurd/statbuf.h: Likewise. * sysdeps/stub/huge_val.h: Likewise. * sysdeps/stub/libc-lock.h: Likewise. * sysdeps/stub/signum.h: Likewise. * sysdeps/stub/statbuf.h: Likewise. * sysdeps/stub/waitflags.h: Likewise. * sysdeps/unix/bsd/bsd4.4/sockaddrcom.h: Likewise. * sysdeps/unix/bsd/osf/alpha/statbuf.h: Likewise. * sysdeps/unix/bsd/osf/sys/mman.h: Likewise. * sysdeps/unix/bsd/signum.h: Likewise. * sysdeps/unix/bsd/statbuf.h: Likewise. * sysdeps/unix/bsd/sun/signum.h: Likewise. * sysdeps/unix/bsd/sun/sunos4/resourcebits.h: Likewise. * sysdeps/unix/bsd/sun/sunos4/sys/mman.h: Likewise. * sysdeps/unix/bsd/sun/sunos4/termbits.h: Likewise. * sysdeps/unix/bsd/ultrix4/sys/mman.h: Likewise. * sysdeps/unix/bsd/waitflags.h: Likewise. * sysdeps/unix/sysv/irix4/signum.h: Likewise. * sysdeps/unix/sysv/irix4/statbuf.h: Likewise. * sysdeps/unix/sysv/irix4/sys/mman.h: Likewise. * sysdeps/unix/sysv/linux/alpha/statbuf.h: Likewise. * sysdeps/unix/sysv/linux/alpha/sys/io.h: Likewise. * sysdeps/unix/sysv/linux/direntry.h: Likewise. * sysdeps/unix/sysv/linux/gnu/types.h: Likewise. * sysdeps/unix/sysv/linux/ioctl-types.h: Likewise. * sysdeps/unix/sysv/linux/local_lim.h: Likewise. * sysdeps/unix/sysv/linux/netinet/in.h: Likewise. * sysdeps/unix/sysv/linux/resourcebits.h: Likewise. * sysdeps/unix/sysv/linux/signum.h: Likewise. * sysdeps/unix/sysv/linux/statbuf.h: Likewise. * sysdeps/unix/sysv/linux/sys/io.h: Likewise. * sysdeps/unix/sysv/linux/sys/klog.h: Likewise. * sysdeps/unix/sysv/linux/sys/mman.h: Likewise. * sysdeps/unix/sysv/linux/sys/ptrace.h: Likewise. * sysdeps/unix/sysv/linux/syscall.h: Likewise. * sysdeps/unix/sysv/linux/termbits.h: Likewise. * sysdeps/unix/sysv/local_lim.h: Likewise. * sysdeps/unix/sysv/sco3.2.4/syscall.h: Likewise. * sysdeps/unix/sysv/sco3.2/local_lim.h: Likewise. * sysdeps/unix/sysv/signum.h: Likewise. * sysdeps/unix/sysv/sysv4/i386/statbuf.h: Likewise. * sysdeps/unix/sysv/sysv4/signum.h: Likewise. * sysdeps/unix/sysv/sysv4/sigset.h: Likewise. * sysdeps/unix/sysv/sysv4/solaris2/signum.h: Likewise. * sysdeps/unix/sysv/sysv4/solaris2/statbuf.h: Likewise. * sysdeps/unix/sysv/sysv4/waitflags.h: Likewise. * sysdeps/vax/huge_val.h: Likewise. * values.h: Likewise. Thu Nov 14 04:22:41 1996 Ulrich Drepper <drepper@cygnus.com> * malloc/obstack.h: Use memcpy instead of bcopy and define a macro `memcpy' using bcopy if memcpy is not available. * manual/stdio.texi: Correct description of printf customization. The argument info function is not optional anymore and the interface for `printf_function' also changed. * manual/examples/rprintf.c: Define and use argument info function. * stdio-common/printf.h (struct printf_info): Change type for field `pad' to wchar_t. Correct comment for `register_printf_function'. * nss/getXXbyYY.c [NEED_H_ERRNO]: Don't pass pointer to h_errno to reentrant function. Instead use temporary variable and set h_errno if an error occured. Reported by NIIBE Yutaka. are no bits set in the masks. Reported by baldazzi@csr.unibo.it.
1996-08-15update from main archive 960814cvs/libc-960815Ulrich Drepper1-1/+1
1996-06-10Mon Jun 10 06:14:03 1996 Roland McGrath <roland@delasyd.gnu.ai.mit.edu>Roland McGrath1-0/+33
* sysdeps/mach/hurd/dl-sysdep.c (__open): Define this instead of open. (__close, __mmap): Likewise define with __ names now. Mon Jun 10 05:13:18 1996 Roland McGrath <roland@delasyd.gnu.ai.mit.edu> * elf/dl-support.c: New file. * elf/Makefile (CFLAGS-dl-support.c): New variable. (routines, elide-routines.so): Add dl-support. * elf/dl-minimal.c (_dl_pagesize): Remove common defn. * elf/dl-load.c (_dl_pagesize): Define it here. (_dl_map_object_from_fd): Initialize it if zero. * elf/link.h (_dl_pagesize): Remove const. Sun Jun 9 04:04:26 1996 Roland McGrath <roland@delasyd.gnu.ai.mit.edu> * elf/Makefile (routines): Add dl-symbol. * elf/dl-lookup.c (_dl_symbol_value): Moved to ... * elf/dl-symbol.c: New file. * elf/elf.h (Elf32_Xword, Elf32_Sxword): New types. (Elf32_Section, Elf64_Section): New types, 16 bits. (Elf32_Sym, Elf64_Sym): Use it. * elf/dl-deps.c (_dl_open): Moved to ... * elf/dl-open.c: New file. * Makefile (routines): Add dl-open. * elf/Makefile (dl-routines): New variable. (routines): Add $(dl-routines). (elide-routines.so): New variable, set to $(dl-routines). (libdl-inhibit-o): Variable removed; build all flavors of -ldl. (rtld-routines): All but rtld, dl-sysdep, and dl-minimal moved to $(dl-routines). * elf/dl-lookup.c (_dl_lookup_symbol): Remove magic symbol grokage. * elf/dladdr.c: Use ELFW(ST_BIND) in place of ELF32_ST_BIND. * elf/dl-load.c (open_path): Use __ names for open and close. Avoid using strdup. (_dl_map_object): Likewise. (_dl_map_object_from_fd): Use __ names for mmap, munmap, and mprotect. * elf/dl-minimal.c (malloc): Likewise. * elf/dl-reloc.c (_dl_relocate_object): Likewise. * elf/dl-minimal.c (_dl_pagesize): New variable. (malloc): Use that instead of a static variable. * elf/dl-reloc.c (_dl_relocate_object): Use _dl_pagesize instead of calling getpagesize. * elf/dl-load.c (_dl_map_object_from_fd): Likewise. * elf/link.h: Declare _dl_pagesize. * elf/rtld.c (dl_r_debug): Renamed to _dl_r_debug. * elf/link.h (struct link_map): Use Half for l_phnum instead of Word. * elf/rtld.c (dl_main): Use Half for phdr count arg. (_dl_sysdep_start): Update prototype of DL_MAIN function ptr arg. * elf/dl-load.c (_dl_map_object_from_fd): Use explicit Elf32_Word to extract 4-byte magic number, not ElfW(Word). Match EI_CLASS against native wordsize, either 32 or 64. * elf/elf.h (Elf64_Byte, Elf64_Section): Typedefs removed. In C a char is always a byte, no need for a typedef. Section indices are 16-bit quantities in elf64, which already have a typedef Elf64_Half. Remove partial -lelf implementation. There is now a separately-distributed `libelf' package that implements it. * elf/dl-lookup.c: Don't #include <libelf.h> any more. (_dl_elf_hash): New function, moved from libelf.h:elf_hash. (_dl_lookup_symbol): Use it instead of elf_hash. * elf/libelf.h: File removed. * elf/elf_hash.c: File removed. * elf/Makefile (headers): Remove libelf.h. (extra-libs): Remove libelf. (libelf-routines): Variable removed. * elf/Makefile (libdl.so): Remove commands from this target. The implicit rule commands are correct, this explicit rule just serves to add some dependencies. * elf/dl-lookup.c (_dl_lookup_symbol): Use ELFW(ST_TYPE) in place of ELF32_ST_TYPE. Likewise ST_BIND. * elf/do-rel.h (elf_dynamic_do_rel): Likewise R_SYM. * elf/link.h (ElfW): New macro for wordsize-independent ElfXX_* type naming. (ELFW): New macro, likewise for ELFXX_* macro naming. (_ElfW, _ElfW_1): New macros, subroutines of ElfW and ELF. Sat Jun 8 20:52:38 1996 Roland McGrath <roland@delasyd.gnu.ai.mit.edu> * elf/link.h, elf/do-rel.h, elf/dynamic-link.h, elf/dl-deps.c, elf/dl-init.c, elf/dl-load.c, elf/dl-lookup.c, elf/dl-reloc.c, elf/dl-runtime.c, elf/dladdr.c, elf/dlclose.c, elf/dlsym.c, elf/linux-compat.c, elf/rtld.c: Change all uses of `Elf32_XXX' to `ElfW(XXX)' for wordsize-independence. Sat Jun 8 20:50:42 1996 Richard Henderson <rth@tamu.edu> * elf/elf.h: Move Elf64_* types in parity with Elf32 counterparts. (Elf64_auxv_t): New type. (EM_ALPHA, R_ALPHA_*): New macros for elf64-alpha format.
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