Commit Graph

330 Commits

Author SHA1 Message Date
Roland McGrath
ba79d61b44 * Makerules ($(common-objpfx)libc.so): Depend on $(elfobjdir)/ld.so.
* elf/dl-close.c: New file.
	* elf/link.h: Declare _dl_close.
	* elf/Makefile (routines): Add dl-close.
	* elf/dlclose.c (dlclose): Use _dl_close.

	* elf/Makefile ($(objpfx)librtld.so): Remove libelf from deps.

	* elf/dl-runtime.c (_dl_global_scope): New variable.
	(_dl_object_relocation_scope): New function.
	(fixup): Use it.
	* elf/rtld.c (dl_main): Use it.
	* elf/dl-open.c (_dl_open): Use it.  If (MODE & RTLD_GLOBAL), set the
	l_global bit and append the new map to _dl_global_scope.
	* elf/link.h: Declare _dl_global_scope, _dl_global_scope_alloc,
	and _dl_object_relocation_scope.

	* elf/link.h (struct link_map): Add l_loader member.
	Remove _dl_map_object_from_fd decl.
	* elf/dl-load.c (_dl_map_object): Pass LOADER to ...
	(_dl_map_object_from_fd): Take new arg LOADER and set l_loader member.
	(_dl_map_object): Try DT_RPATH from all loaders up the chain.

	* elf/dl-object.c (_dl_loaded): Variable removed.
	(_dl_default_scope): New variable replaces it.
	* elf/link.h (_dl_loaded): Remove variable decl; instead define as
	macro for _dl_default_scope[2].
	(_dl_default_scope): Declare it.
	* sysdeps/i386/dl-machine.h (RTLD_START): Use _dl_default_scope[2]
	instead of _dl_loaded.
	* sysdeps/m68k/dl-machine.h (RTLD_START): Likewise.
	* elf/rtld.c (dl_main): Use _dl_default_scope for symbol lookups.

	* elf/dl-reloc.c (_dl_relocate_object): Remove check for _dl_rtld_map.
	* elf/rtld.c (dl_main): Pass 0 for LAZY flag when re-relocating self.

	* elf/link.h (struct link_map.l_type): Remove lt_interpreter.
 	(struct link_map): Add new flag member l_global.

	* elf/dl-reloc.c (_dl_relocate_object): Check for _dl_rtld_map
	directly instead of looking for lt_interpreter.
	* sysdeps/i386/dl-machine.h (elf_machine_rel): Likewise.
	* elf/rtld.c (_dl_start): Don't bother setting BOOTSTRAP_MAP.l_type.
	(dl_main): Set _dl_rtld_map.l_type to lt_library.

	* elf/dl-deps.c (_dl_map_object_deps): Propagate MAP->l_type to
	dependencies loaded, downgrading lt_executable -> lt_library.

	* elf/dl-load.c (_dl_map_object_from_fd): Take new arg TYPE and set
	l_type from that, translating lt_library->lt_executable based on the
	file's ELF type.
	(_dl_map_object): Likewise.
	* elf/link.h: Update prototypes.
	* elf/dl-open.c: Pass type lt_loaded.
	* elf/rtld.c: Pass type lt_library.

	* elf/dl-load.c (_dl_map_object_from_fd): Handle null return from
	_dl_new_object.
	(_dl_map_object_from_fd: lose): Unchain and free L if it's not null.
	Free REALNAME, and just use NAME in error message.
	* elf/dl-object.c (_dl_new_object): If malloc fails, return null
	instead of calling _dl_signal_error.

	* elf/dl-load.c (_dl_map_object_from_fd): Close FD before signalling
	error for _dl_zerofd setup failure.

	* elf/dl-object.c (_dl_startup_loaded): Variable removed.
	* elf/link.h: Remove its decl.

	* elf/dl-reloc.c (_dl_relocate_object): Take new SCOPE arg and pass it
	through to _dl_lookup_symbol.
	* elf/link.h (_dl_relocate_object): Update comment and prototype.
	* elf/rtld.c (dl_main): Pass scope vector to _dl_relocate_object.

	* elf/dl-lookup.c (_dl_lookup_symbol): Arg SYMBOL_SCOPE is now a
	null-terminated vector of pointers, no longer a vector of exactly two.
	* elf/link.h (_dl_lookup_symbol): Update comment and prototype.

	* elf/dl-runtime.c (fixup): Set up scope for symbol lookup properly as
	done in _dl_relocate_object.

	* elf/dlopen.c: Pass "" to _dl_open when FILE is null.
1996-06-10 20:19:39 +00:00
Roland McGrath
266180eb98 Mon Jun 10 06:14:03 1996 Roland McGrath <roland@delasyd.gnu.ai.mit.edu>
* 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.
1996-06-10 10:18:47 +00:00
Roland McGrath
4d02a5b18a Thu Jun 6 16:12:39 1996 Roland McGrath <roland@delasyd.gnu.ai.mit.edu>
* hurd/hurdsig.c (_hurd_internal_post_signal): For SIGNO==0 pending
	check, deliver a pending blocked signal if its action might be to
	ignore.
	* sysdeps/mach/hurd/sigaction.c: If new action is SIG_IGN or SIG_DFL
	and SIG is pending, wake up signal thread to check us.

	* hurd/hurdsig.c (_hurd_internal_post_signal): Don't mark a signal
	pending while blocked or stopped when the action is to ignore it.

	* hurd/hurdsig.c (_hurd_internal_post_signal: resume): Only set
	SS_SUSPENDED when the thread is really suspended.

	* elf/rtld.c (dl_main): Don't dereference _dl_rtld_map.l_next if null.
1996-06-06 20:49:22 +00:00
Roland McGrath
ee188d555b Tue Jun 4 21:01:20 1996 Roland McGrath <roland@delasyd.gnu.ai.mit.edu>
* sysdeps/mach/hurd/getlogin_r.c: New file.

Wed Jun  5 02:11:30 1996  Ulrich Drepper  <drepper@cygnus.com>

	* io/Makefile (routines): Add ttyname_r.

	* resolv/res_debug.c, resolv/resolv.h: Update from bind-4.3.4-T4A.

	* sysdeps/libm-i387/e_asinl.S, sysdeps/libm-i387/e_atan2l.S,
	sysdeps/libm-i387/e_expl.S, sysdeps/libm-i387/e_fmodl.S,
	sysdeps/libm-i387/e_log10l.S, sysdeps/libm-i387/e_logl.S,
	sysdeps/libm-i387/e_remainderl.S, sysdeps/libm-i387/e_scalbl.S,
	sysdeps/libm-i387/e_sqrtl.S, sysdeps/libm-i387/s_atanl.S,
	sysdeps/libm-i387/s_cosl.S, sysdeps/libm-i387/s_ilogbl.S,
	sysdeps/libm-i387/s_log1pl.S, sysdeps/libm-i387/s_logbl.S,
	sysdeps/libm-i387/s_scalbnl.S, sysdeps/libm-i387/s_sinl.S,
	sysdeps/libm-i387/s_tanl.S: New files.  i387 assembler versions
	of `long double' math functions.

	* sysdeps/libm-ieee754/k_standard.c: Add handling for errors
	in long double functions.

	* sysdeps/libm-ieee754/s_ilogbl.c, sysdeps/libm-ieee754/s_logbl.c,
	sysdeps/libm-ieee754/s_modfl.c:  New files.  Generic versions
	of `long double' math functions.

	* sysdeps/libm-ieee754/s_isinf.c [NO_LONG_DOUBLE]: Add string
        alias for __isinfl.

	* sysdeps/libm-ieee754/w_acoshl.c, sysdeps/libm-ieee754/w_acosl.c,
	sysdeps/libm-ieee754/w_asinl.c, sysdeps/libm-ieee754/w_atan2l.c,
	sysdeps/libm-ieee754/w_atanhl.c, sysdeps/libm-ieee754/w_cabsl.c,
	sysdeps/libm-ieee754/w_coshl.c, sysdeps/libm-ieee754/w_dreml.c,
	sysdeps/libm-ieee754/w_expl.c, sysdeps/libm-ieee754/w_fmodl.c,
	sysdeps/libm-ieee754/w_gammal.c, sysdeps/libm-ieee754/w_gammal_r.c,
	sysdeps/libm-ieee754/w_hypotl.c, sysdeps/libm-ieee754/w_j0l.c,
	sysdeps/libm-ieee754/w_j1l.c, sysdeps/libm-ieee754/w_jnl.c,
	sysdeps/libm-ieee754/w_lgammal.c, sysdeps/libm-ieee754/w_lgammal_r.c,
	sysdeps/libm-ieee754/w_log10l.c, sysdeps/libm-ieee754/w_logl.c,
	sysdeps/libm-ieee754/w_powl.c, sysdeps/libm-ieee754/w_remainderl.c,
	sysdeps/libm-ieee754/w_scalbl.c, sysdeps/libm-ieee754/w_sinhl.c,
	sysdeps/libm-ieee754/w_sqrtl.c: New files.  Wrapper functions
	around long double function implementations.

	* sysdeps/posix/ttyname_r.c (ttyname_r): Use _D_EXACT_NAMLEN
	to determine length of directory entry name.

	* posix/Makefile (routines): Add getlogin_r.
	* posix/unistd.h: Add prototype for getlogin_r.
	* sysdeps/stub/getlogin_r.c: New file.  Reentrant version of
	getlogin function, specified in P1003.1c/D6.  Stub version.
	* sysdeps/unix/getlogin.c (getlogin): Use ttyname_r instead of
	ttyname.  This avoids saving and restoring the old content.
	Also use setutent_r, getutline_r and endutent_r instead of
	accing UTMP file directly.
	* sysdeps/unix/getlogin_r.c: New file.  Reentrant version of
	getlogin function, specified in P1003.1c/D6.

Tue Jun  4 20:10:09 1996  J.T. Conklin  <jtc@cygnus.com>

	* sysdeps/libm-i387/s_finitef.S: Fix mask for exponent.

	* elf/dl-lookup.c (_dl_lookup_symbol): Grok magical undefined symbols
	_GNU_libc_dl_{open,close,symbol} and resolve them to dl functions.

	* elf/rtld.c (rtld_map): Renamed to _dl_rtld_map, made global.
	* elf/link.h: Declare _dl_rtld_map.

	* elf/dl-lookup.c (_dl_symbol_value): New function.
	* elf/link.h: Declare it.

	stdio-common/vfscanf.c: Prepare for reentrant libio.
	Used in reentrant libio.
1996-06-05 01:07:21 +00:00
Roland McGrath
efec1d0c47 Tue Jun 4 02:25:44 1996 Roland McGrath <roland@delasyd.gnu.ai.mit.edu>
* elf/linux-compat.c (_init): Pass reloc_addr arg to _dl_lookup_symbol.

	* elf/dl-lookup.c (_dl_lookup_symbol): Use l_searchlist.

	* elf/dl-deps.c: New file.
	* elf/Makefile (rtld-routines): Add dl-deps.
	* elf/link.h: Declare _dl_map_object_deps, _dl_open.
	* elf/rtld.c (dl_main): Use _dl_map_object_deps.
	* elf/dlopen.c: Use _dl_open.

	* elf/rtld.c (dl_main): Remove BEFORE_RTLD variable and list
	frobnication based on its value.  Detach RTLD_MAP from the chain if
	its l_opencount is zero after loading deps.

	* elf/dlfcn.h (RTLD_BINDING_MASK): New macro.

	* elf/link.h (struct link_map): Replace l_deps_loaded flag member with
	`struct link_map **l_searchlist' and `unsigned int l_nsearchlist'.
	* elf/dl-lookup.c (_dl_lookup_symbol): Make SYMBOL_SCOPE arg an array
	of two link_map ptrs.  Search the maps in the l_searchlist of each
	elt that is not null.
	* elf/dl-reloc.c (_dl_relocate_object): Pass proper SCOPE array.
	* elf/dl-runtime.c: Likewise.
	* elf/dlsym.c: Likewise.
	* elf/rtld.c (dl_main): Likewise.

	* elf/dl-minimal.c (realloc): Support realloc of the block most
	recently returned by the minimal malloc.

	* intl/localealias.c, intl/dcgettext.c [_LIBC]: Define HAVE_ALLOCA.
1996-06-04 05:18:15 +00:00
Roland McGrath
710f7bab59 Mon Jun 3 00:30:35 1996 Roland McGrath <roland@delasyd.gnu.ai.mit.edu>
* elf/dl-lookup.c (_dl_lookup_symbol): Take new arg RELOC_ADDR and
	don't allow a defn resolving to that address.
	* elf/link.h: Update prototype and comment.
	* elf/dl-runtime.c (fixup): Define local `resolve' function and pass
	it to elf_machine_relplt.
	* elf/dl-reloc.c (_dl_relocate_object: resolve): Take new arg
	RELOC_ADDR and pass it through to _dl_lookup_symbol.
	* elf/do-rel.h (elf_dynamic_do_rel): Pass RESOLVE to elf_machine_rel
	instead of calling it ourselves and passing its results.
	(elf_dynamic_do_rel): RESOLVE fn takes new arg RELOC_ADDR.
	* elf/rtld.c (dl_main): Pass 0 for RELOC_ADDR to _dl_lookup_symbol.
	* sysdeps/i386/dl-machine.h (elf_machine_rel): Remove SYM_LOADADDR
	arg.  Add RESOLVE function ptr arg.  Call *RESOLVE as necessary.
	* sysdeps/m68k/dl-machine.h (elf_machine_rela): Likewise.
	* sysdeps/stub/dl-machine.h: Likewise.

	* csu/initfini.c (_fini): Add extern decl for i_am_not_a_leaf.

	* elf/dlfcn.h (dl_open_mode): Enumerated type removed.
	(RTLD_LAZY, RTLD_NOW): Define these as macros instead.
	(RTLD_GLOBAL): New macro.
	(dlopen): Take arg of type int instead of dl_open_mode.
	* elf/dlopen.c: Likewise.

	* math/math.h (_Mldbl): New macro, either produces L suffix or not.
	(M_*): Use it for these constants.
1996-06-03 04:46:40 +00:00
Roland McGrath
6c03c2cf27 * elf/dl-lookup.c (_dl_lookup_symbol): Arg NOSELF renamed to NOPLT.
Reject SHN_UNDEF defns iff NOPLT is nonzero.
	* elf/link.h (_dl_lookup_symbol): Update prototype and comment.
	* elf/dl-runtime.c (fixup): Pass 1 to _dl_lookup_symbol for NOPLT.
	* elf/dlsym.c (dlsym): Pass 0.
	* elf/rtld.c (dl_main): Likewise.
	* elf/dl-reloc.c (_dl_relocate_object: resolve): Second arg R_OFFSET
	replaced with NOPLT flag.  Pass it through to _dl_lookup_symbol.
	* elf/do-rel.h (elf_dynamic_do_rel): Update prototype of RESOLVE arg.
	Pass `elf_machine_pltrel_p (R->r_type)' result as NOPLT flag value.
	* sysdeps/i386/dl-machine.h (elf_machine_pltrel_p): New macro.
	* sysdeps/m68k/dl-machine.h (elf_machine_pltrel_p): Likewise.
	* sysdeps/stub/dl-machine.h (elf_machine_pltrel_p): Likewise.
1996-06-02 21:35:43 +00:00
Roland McGrath
0200214b28 Tue May 28 04:38:10 1996 Ulrich Drepper <drepper@cygnus.com>
* limits.h: Change MB_LEN_MAX to 6.  A 31-bit ISO 10646
	character in UTF-8 encoding has that many bytes.

	* locale/langinfo.h: New element _NL_CTYPE_MB_CUR_MAX.
	* locale/categories.def: Add description of field _NL_CTYPE_MB_CUR_MAX.
	* locale/Makefile (routines): Add mb_cur_max.
	* locale/mb_cur_max.c: New file.  This function gets called
	when the macro MB_CUR_MAX is used.
	* locale/C-ctype.c: Initialize new mb_cur_max field.
	* locale/localeinfo.h: Change magic value because of incompatible
        change.
	* locale/programs/ld-ctype.c: Determine value of mb_cur_max
        according to current character set and write it out with the rest.
	* stdlib/stdlib.h (MB_CUR_MAX): Not constant anymore.  Get value
        according to currently used locale for catefory LC_CTYPE by
        calling the function __ctype_get_mb_cur_max.

Tue May 28 03:27:46 1996  Ulrich Drepper  <drepper@cygnus.com>

	* FAQ:  Fix some typos.
	Tell that for Linux the kernel header files are necessary.

	* PROJECTS: New file.  List of open jobs for glibc.
	* Makefile (distribute): Add PROJECTS.

	* crypt/GNUmakefile (headers): New variable.  Mention crypt.h.
	* crypt/crypt.h: Header for crypt functions.

	* elf/elf.h: Add some new constants from recent Cygnus ELF
	header files.

	* login/getutid_r.c: Test for correct type.
	Don't depend on ut_type and ut_id unless _HAVE_UT_TYPE and
	_HAVE_UT_ID resp. are defined.
	Make really compliant with specification.

	* login/getutline_r.c, login/pututline_r.c: Don't depend on
	ut_type and ut_id unless _HAVE_UT_TYPE and _HAVE_UT_ID resp. are
	defined.
	Make really compliant with specification.

	* login/setutent_r.c: Don't depend on ut_type and ut_id unless
	_HAVE_UT_TYPE and _HAVE_UT_ID resp. are defined.

	* login/login.c, login/logout.c, login/logwtmp.c: Complete
	rewrite.  Now based on getut*/setut* functions.

	* stdlib/strtol.c: Undo changes of Wed May 22 01:48:54 1996.
	This prevented using this file in other GNU packages.

	* sysdeps/gnu/utmpbits.h: Define _HAVE_UT_TYPE, _HAVE_UT_ID,
	and _HAVE_UT_TV because struct utmp has these members.

	* sysdeps/libm-i387/e_exp.S: Correct exp(+-Inf) case.

	* utmp.h: New file.  Wrapper around login/utmp.h.

	* elf/dl-error.c (struct catch): New type.
	(catch): New static variable, struct catch *.
	(catch_env, signalled_errstring, signalled_objname): Variables removed.
	(_dl_signal_error): If CATCH is non-null, set its errstring and
	objname members and jump to CATCH->env.  If it is null, call
	_dl_sysdep_fatal with a standard message.
	* elf/rtld.c (dl_main): Explode `doit' function into dl_main's body.
	No longer use _dl_catch_error.
1996-05-29 04:48:04 +00:00
Roland McGrath
53f770e0f9 Wed Mar 27 14:52:11 1996 Roland McGrath <roland@charlie-brown.gnu.ai.mit.edu>
* elf/rtld.c (dl_main): Call _dl_sysdep_start_cleanup after
	_dl_relocate_object loop.  Avoid relocating RTLD_MAP in that loop, and
	do it individually if necessary after _dl_sysdep_start_cleanup call.

	* stdlib/Makefile (mpn-routines): Add divrem.

Tue Mar 26 22:54:14  Ulrich Drepper  <drepper@gnu.ai.mit.edu>

	* stdio-common/printf_fp.c (__printf_fp): Use mpn_divmod
	instead of __mpn_divmod.

Wed Mar 27 10:26:21 1996  David Mosberger-Tang  <davidm@azstarnet.com>

	* sysdeps/alpha/setjmp.S: Must establish global pointer before
 	address of __sigsetjmp_aux can be loaded.

Wed Mar 27 02:23:19 1996 Ulrich Drepper <drepper@gnu.ai.mit.edu>

	* sysdeps/i386/i586/memset.S: New file.  Highly optimized
	version for i586 contributed by Torbjorn Granlund.
	Adapted for use as bzero.
	* sysdeps/i386/i586/bzero.S: Use sysdeps/i386/i586/memset.S
	code to implement bzero().

Tue Mar 26 20:01:17 1996  Roland McGrath  <roland@charlie-brown.gnu.ai.mit.edu>

	* stdlib/Makefile (mpn-routines): Remove divmod.
1996-03-27 23:23:59 +00:00
Roland McGrath
948c3e72ec Wed Mar 20 09:42:11 1996 Roland McGrath <roland@charlie-brown.gnu.ai.mit.edu>
* elf/dl-load.c (_dl_map_object_from_fd): Always set L->l_type; if not
	lt_executable, then lt_library.
	* elf/rtld.c (dl_main): Don't set NEW->l_type after _dl_map_object.

Wed Mar 20 00:08:23 1996  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* sysdeps/unix/sysv/linux/syscalls.list: Remove gtty and stty.

Tue Mar 19 16:31:06 1996  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* sysdeps/unix/sysv/linux/termbits.h (CRTSCTS, CBAUDEX, VEOL,
	VEOL2, VMIN, VTIME): Corrected.
	(PAGEOUT, WRAP, VDSUSP): Deleted.

	* sysdeps/unix/readdir.c: Test [! _DIRENT_HAVE_D_RECLEN] instead of
	(sizeof (DP->d_name) > 1) to detect fixed-size dir entries.
1996-03-20 14:50:57 +00:00
Roland McGrath
fd86137937 (dl_main): Support additional args in --list mode for debugging: look them up as symbol names and print values. 1996-01-24 01:34:10 +00:00
Roland McGrath
755f55b0db Mon Dec 18 13:40:37 1995 Roland McGrath <roland@churchy.gnu.ai.mit.edu>
* stdio/fread.c: Don't increment __offset when it's -1.

	* elf/rtld.c (dl_main): Prepend tab to "statically linked".  Exit
	0 in that case.

	* misc/err.c (vwarnx, vwarn): Fix major brainos.

	* sysdeps/mach/hurd/dl-sysdep.c (mmap): Fix setting of
	inheritance.
1995-12-19 10:00:22 +00:00
Roland McGrath
65bf5fa317 Regenerated
Fri Dec  8 13:04:51 1995  Roland McGrath  <roland@churchy.gnu.ai.mit.edu>

	* posix/glob.c: Implement new options GLOB_ALTDIRFUNC, GLOB_BRACE,
	GLOB_TILDE, GLOB_NOMAGIC.
	(glob): Use stat instead of lstat to determine directoriness.
	* posix/glob.h (GLOB_ALTDIRFUNC, GLOB_BRACE, GLOB_NOMAGIC, GLOB_TILDE):
	New flag bits.
	(__GLOB_FLAGS): Include them.
	(glob_t): New members gl_closedir, gl_readdir, gl_opendir, gl_lstat,
	gl_stat.
1995-12-12 02:42:14 +00:00
Roland McGrath
42d2676e7c Wed Nov 22 12:37:39 1995 Roland McGrath <roland@churchy.gnu.ai.mit.edu>
* sysdeps/unix/sysv/linux/i386/sysdep.S (_errno): Define as alias
	for errno.

	* stdio-common/vfprintf.c [USE_IN_LIBIO] (vfprintf): Define as
	alias for _IO_vfprintf.

	* sysdeps/unix/sysv/linux/sockaddrcom.h: File removed.

	* sysdeps/unix/sysv/linux/i386/init-first.c (init): Use
	__fpu_control instead of ___fpu_control.
	* sysdeps/unix/sysv/linux/i386/ieee_fpu.c
	(___fpu_control): Renamed to __fpu_control.
	* sysdeps/unix/sysv/linux/i386/fpu_control.h: Likewise.
	* sysdeps/unix/sysv/linux/i386/fpu_control.c: Likewise.

	* elf/dl-minimal.c: New file.
	* elf/Makefile (rtld-routines): Add dl-minimal.
	* elf/rtld.c (__dgettext, __assert_fail, __assert_perror_fail):
	Functions moved to dl-minimal.c.
	* sysdeps/mach/hurd/dl-sysdep.c (malloc, free, realloc,
	sigjmp_save, longjmp): Likewise.

	* sysdeps/unix/sysv/linux/i386/brk.S (__curbrk): Always initialize
	to &_end, regardless of PIC.

	* stdio-common/vfscanf.c (__vfscanf): Fix arg name in defn.
1995-11-23 04:53:06 +00:00
Roland McGrath
1a3a58fd76 Tue Nov 21 14:12:13 1995 Roland McGrath <roland@churchy.gnu.ai.mit.edu>
* malloc/malloc.c (align): Don't check contiguity and call abort.

	* hurd/hurdsig.c (post_reply): Function removed.
	(abort_thread, abort_all_rpcs, _hurdsig_abort_rpcs): Don't call it.
	Take single callback fn arg instead of reply port and type.
	(_hurd_internal_post_signal): Callers changed.
	Cache reply stub fn ptr in local var before UNTRACED might be changed.

	* sysdeps/mach/hurd/mmap.c: Cope with a null write memobj for
	PROT_READ|PROT_WRITE copy mapping.  Pass a proper vm_inherit_t to
	vm_map.

	* elf/rtld.c (_dl_start): For --list, do output and exit before
	relocating.
1995-11-22 10:00:23 +00:00
Roland McGrath
4cb202902d Thu Nov 16 06:07:49 1995 Roland McGrath <roland@churchy.gnu.ai.mit.edu>
* sysdeps/mach/hurd/dl-sysdep.c (_dl_sysdep_start_cleanup): New
	function.
	(_dl_sysdep_start): Move cleanup code there.

	* Makeconfig (default-rpath): New variable.
	(link-libc): Use it.
	* elf/Makefile (ld.so): Pass -rpath=$(default-rpath).
	* elf/rtld.c (_dl_rpath): New variable.
	(_dl_start): Set it from rtld_map's DT_RPATH.
	Call _dl_setup_hash on rtld_map.
	(dl_main): Cache address of _exit in variable before relocating,
	and use that in later calls.  Call _dl_sysdep_start_cleanup before
	relocating.  Keep track of dependency order while loading; remove
	rtld_map from chain, and reinsert in proper order if there is a
	dependency on it.

	* sysdeps/generic/Makefile (make_siglist): Pass
	-DSIGNUM_H=... with config's signum.h location.
	* sysdeps/generic/make_siglist.c: Include SIGNUM_H to define
	signal numbers.
	(HAVE_STRSIGNAL, HAVE_PSIGNAL): Define these before including signame.c
	(main): Deansideclize output.

	* elf/dl-load.c (_dl_map_object): Use _dl_rpath variable in place
	of DEFAULT_RPATH macro.
	* elf/Makefile: Undo last change.

	* sysdeps/mach/hurd/dl-sysdep.c (free): Don't abort, just nop.
1995-11-17 02:33:47 +00:00
Roland McGrath
ec967c06ac Wed Nov 15 19:22:07 1995 Roland McGrath <roland@churchy.gnu.ai.mit.edu>
* sysdeps/mach/hurd/dl-sysdep.c: Include _itoa.h from stdio-common
	instead of stdio.
	(_dl_sysdep_start): If passed user entry is zero and
	EXEC_STACK_ARGS flag set, reset user entry to &_start.

	* elf/rtld.c (dl_main): Only call _dl_setup_hash if there is a
	DT_HASH element.

	* libc-symbols.h [HAVE_ELF] (symbol_set_declare): Gratuitously
	repeat weak decl using weak_symbol macro, in case using broken GCC
	(<2.8).

Wed Nov 15 18:49:55 1995  Ulrich Drepper  <drepper@ipd.info.uni-karlsruhe.de>

	* sysdeps/i386/isnanl.c: New file.
	* sysdeps/i386/isinfl.c: New file.
1995-11-16 00:44:18 +00:00
Roland McGrath
86d2c878ac Tue Nov 7 12:29:46 1995 Roland McGrath <roland@churchy.gnu.ai.mit.edu>
* elf/linux-compat.c: New file.
	* elf/Makefile (distribute): Add linux-compat.c.
	(generated): Add librtld.so.
	[$(config-os)=linux*] (extra-objs): Add linux-compat.so.
	[$(config-os)=linux*] (extra-objs): Add ld-linux.so.1.
	(librtld.so): New target.
	(ld.so, ld-linux.so.1): Make from librtld.so.

	* elf/rtld.c (dl_main): Instead of weak call to _dl_compat_init,
	call our own DT_INIT if we have one (and then clear it).
	(__dgettext): New weak function.

	* intl/localealias.c (read_alias_file): Avoid sprintf; use memcpy
	by hand instead.

	* sysdeps/generic/_strerror.c (_strerror_internal): Use _itoa
	instead of snprintf.

	* sysdeps/mach/_strerror.c (_strerror_internal): Don't write
	BUF[BUFLEN].

	* elf/rtld.c (rtld_map): New static variable.
	(_dl_start): Use a differently named local BOOTSTRAP_MAP for the
	bootstrapping.  Then copy data into `rtld_map'.
	(dl_main): Finish filling in rtld_map and link it into the chain,
	instead of allocating a new structure.
	(dl_main): Call _dl_compat_init if it is defined (use weak ref).

	* elf/dlsym.c: Fix last change: move REF out of `doit'.


	control.
	using it.

	and cwdir ports.
	functions.
	these.
	$(libdir)(rtld-installed-name).

	leading zeroes.

	in the rhs.
	pattern rule.


	never know.
	(fork): Use symbol_set_* macros for _hurd_fork_locks.
	* sysdeps/unix/sysv/sysv4/linux/i386/sysdep.S (__syscall_error):
 	instead of unix/sysv.

	-dynamic-linker.

	(__printf_fp): Last arg ARGS is now `const void **const';

	locale/C-ctype.c.
	* sysdeps/mach/hurd/sigsuspend.c: Likewise.
	* sysdeps/mach/hurd/mips/sigreturn.c: Likewise.
	alias gethostname.
	setitmr
	setpgrp
	(_S_msg_get_exec_flags, _S_msg_set_exec_flags,
	(abort_thread, abort_rpcs): Take same new arg and pass it through.
1995-11-07 21:46:52 +00:00
Roland McGrath
21ee716616 Tue Oct 24 15:22:58 1995 Roland McGrath <roland@churchy.gnu.ai.mit.edu>
* sysdeps/unix/configure.in: Check for fchdir syscall.
	Improve sed script to allow / on rhs without / on lhs.

Thu Oct 19 03:47:32 1995  Ulrich Drepper  <drepper@ipd.info.uni-karlsruhe.de>

	* sysdeps/unix/sysv/linux/termbits.h: Don't define speed constants.

	* elf/rtld.c: Include _itoa.h from stdio-common instead of stdio.

	* sysdeps/unix/sysv/linux/select.S: New file.
1995-10-24 20:29:05 +00:00
Roland McGrath
b122c7038e Mon Oct 9 02:54:14 1995 Roland McGrath <roland@churchy.gnu.ai.mit.edu>
* Makeconfig (config-LDFLAGS): Define to
	-Wl-dynamic-linker=$(libdir)$(rtld-installed-name).
	(rtld-installed-name): New variable.
	* elf/Makefile (install-lib): Variable removed.
	(install-others): Define this instead, to
	$(libdir)(rtld-installed-name). 
	($(libdir)(rtld-installed-name)): New target; install from ld.so.

	* elf/ldd.sh.in: New file.
	* elf/Makefile (distribute): Add ldd.sh.in.
	(install-bin): Add ldd.
	($(objpfx)ldd: ldd.sh.in): New rule.

	* sysdeps/mach/hurd/dl-sysdep.c: Use __hurd_fail throughout.
	* hurd/hurd.h (__hurd_fail): Replace macro with inline function.
	Translate some Mach errors to Hurd errors.

	* elf/rtld.c (dl_main): Under --list, print msg if executable is
	statically linked.

	* elf/dl-load.c (_dl_map_object_from_fd): Rewrote program header
	table processing.

Sat Oct  7 01:25:48 1995  Roland McGrath  <roland@churchy.gnu.ai.mit.edu>

	* sysdeps/stub/machine-gmon.h: Add #error.

Fri Oct  6 01:49:48 1995  Roland McGrath  <roland@churchy.gnu.ai.mit.edu>

	* elf/dynamic-link.h (elf_get_dynamic_info): If DYN is null, don't
	examine it.
1995-10-09 07:06:29 +00:00
Roland McGrath
6a76c11515 Thu Oct 5 00:59:58 1995 Roland McGrath <roland@churchy.gnu.ai.mit.edu>
* elf/rtld.c (dl_main): Grok --list flag.
	* sysdeps/mach/hurd/dl-sysdep.c (_dl_sysdep_start): Ignore -- args.

	* sysdeps/mach/hurd/dl-sysdep.c (_dl_sysdep_message): New function.
	* sysdeps/generic/dl-sysdep.c (_dl_sysdep_message): New function.
	* elf/link.h (_dl_sysdep_message): Declare it.
1995-10-05 09:00:06 +00:00
Roland McGrath
879bf2e65a * sysdeps/mach/hurd/dl-sysdep.c (_dl_sysdep_start): If started by
kernel with args on stack, point _dl_hurd_data at zero data
	instead of garbage.  When ld.so run as program, grok args
	-LIB=MEMOBJ and pre-load shared object files found in memory
	objects loaded by the boot loader.

	* elf/link.h (struct link_map): New member `l_entry'.
	(_dl_map_object, _dl_map_object_from_fd): Remove last arg ENTRY_POINT.
	* elf/dl-load.c (_dl_map_object, _dl_map_object_from_fd): Remove
	last arg ENTRY_POINT.  Store the entry point location in the
	`l_entry' member of the new map.
	* elf/rtld.c (dl_main): Don't pass USER_ENTRY arg to
	_dl_map_object.  When run as program, set *USER_ENTRY to L->l_entry.
	* elf/dl-init.c (_dl_init_next): Don't pass ENTRY_POINT arg to
	_dl_map_object.
1995-09-30 21:18:30 +00:00
Roland McGrath
91f62ce6b5 (rtld_command): Variable removed. (_dl_skip_args): New variable. (dl_main): Increment _dl_skip_args instead of setting rtld_command. If the link_map for the executable itself is not first in the chain, make it so. 1995-09-28 17:05:33 +00:00
Roland McGrath
f2b0f935d7 * elf/dl-load.c (_dl_map_object): Add MAP_INHERIT flag in mmap
from zero fill.

	* elf/dl-lookup.c (_dl_lookup_symbol): Take new flag arg NOSELF;
 	if nonzero, don't let *REF satisfy the reference itself.
	* elf/link.h (_dl_lookup_symbol): Add new arg NOSELF in decl.
	* sysdeps/i386/dl-runtime.c (_dl_runtime_resolve): Pass new arg to
 	_dl_lookup_symbol.
	* elf/do-rel.h (elf_dynamic_do_rel): Pass new second arg of
 	R->r_offset to RESOLVE callback.
	* elf/dl-reloc.c (_dl_relocate_object: resolve): Don't let *REF
 	satisfy the reference itself if its value equals the reloc's
 	offset.

	* elf/rtld.c (dl_main): Write a newline in fatal msg.

	* Makerules (lib%.so: lib%_pic.a): Pass $(LDFLAGS.so).
1995-06-12 09:00:13 +00:00
Roland McGrath
5bf62f2d3a Thu Jun 8 02:50:26 1995 Roland McGrath <roland@churchy.gnu.ai.mit.edu>
* elf/rtld.c [! NDEBUG] (__assert_perror_fail): New function.

	* hurd/hurdstartup.c (_hurd_startup): Fancier kludge to guess phdr
 	and user entry point addresses.

	* elf/dl-load.c (open_path): Don't do strlen on DIRPATH if it's null.
	(_dl_map_object): DT_RPATH value is relative to DT_STRTAB value.

	* Makerules (install-lib.so): Don't include libc.so.
	[$(build-shared)=yes] (install): Depend on the installed libc.so file.
	[$(build-shared)=yes] (install-no-libc.a): Make this, rather than
	install, depend on the installed $(install-lib.so) files.
	[$(build-shared)=yes] (install-lib.so): Append libc.so after that rule.

	* sysdeps/mach/hurd/dl-sysdep.c (_dl_sysdep_start): Add kludge to
 	allocate high addresses to avoid random mappings appearing there.
	(mmap): Comment out mask; always pass zero.

Tue Jun  6 13:34:53 1995  Roland McGrath  <roland@churchy.gnu.ai.mit.edu>

	* sysdeps/i386/dl-machine.h (ELF_MACHINE_USER_ADDRESS_MASK): New macro.
	* sysdeps/mach/hurd/dl-sysdep.c (mmap): Use it as mask in vm_map call.

	* elf/dl-error.c (_dl_catch_error): Clear *ERRSTRING and *OBJNAME
 	when successful.

	* sysdeps/mach/hurd/dl-sysdep.c (threadvars): New static variable.
	(__hurd_threadvar_max, __hurd_threadvar_stack_offset): Define these
	variables, using the `threadvars' buffer.

	* elf/dl-reloc.c: Don't dereference L->l_prev when it's null.
	* sysdeps/i386/dl-runtime.c: Likewise.

	* elf/rtld.c (dl_main): Add missing NULL terminating argument in
 	_dl_sysdep_fatal call.
	(__assert_fail): Likewise.

	* locale/Makefile (localedef-modules): Renamed ctype to
 	locale-ctype so as not to conflict with the object file for
 	ctype/ctype.c in the build directory.

	* sysdeps/i386/dl-machine.h (elf_machine_rel): If MAP->l_type is
 	lt_interpreter, first undo relocation done during bootstrapping.
1995-06-08 09:00:23 +00:00
Roland McGrath
ded291197c Sun Jun 4 22:14:11 1995 Roland McGrath <roland@churchy.gnu.ai.mit.edu>
* hurd/Makefile (sig): Added thread-self.
	* hurd/hurd.h: Declare hurd_thread_self.
	* hurd/thread-self.c: New file.

Thu Jun  1 12:17:52 1995  Roland McGrath  <roland@churchy.gnu.ai.mit.edu>

	* elf/rtld.c: Initialize RTLD_MAP.l_type.
	* elf/dl-reloc.c (_dl_relocate_object): Clear LAZY if relocating
 	the dynamic linker itself.
1995-06-05 03:04:45 +00:00
Roland McGrath
a1a9d21596 Tue May 30 15:52:32 1995 Roland McGrath <roland@churchy.gnu.ai.mit.edu>
* mach/Makefile (server-interfaces): Removed notify and
 	device_reply.  For shlibs with eager binding, libmachuser.so must
 	not refer to any functions not defined in libc.
1995-05-31 13:23:14 +00:00
Roland McGrath
273d56ce89 (__data_start): Define this symbol as the first thing in .data. 1995-05-09 07:03:38 +00:00
Roland McGrath
421f82e5cc Sat May 6 11:06:47 1995 Roland McGrath <roland@churchy.gnu.ai.mit.edu>
* Makeconfig (+gccwarn): Add -Winline.

	* hurd/hurdsig.c (_hurd_internal_post_signal): If SS->context is
 	set, avoid abort_rpcs, and use reply and intr ports saved in
 	SS->context.
	* sysdeps/mach/hurd/i386/trampoline.c: Don't set SS->intr_port
 	from SS->context.  Don't clear SS->context.
	* sysdeps/mach/hurd/i386/sigreturn.c: Don't set SS->intr_port when
 	setting SS->context.  If msg_sig_post returns, re-lock and clear
 	SS->context.

Fri May  5 10:37:09 1995  Roland McGrath  <roland@churchy.gnu.ai.mit.edu>

	* mach/Makefile (errsystems.c): Comment out generation rule.

	* sysdeps/mach/_strerror.c: Consider a system unknown if its
 	bad_sub member is null.

	* mach/mig-alloc.c: Add weak alias to non-__ name.
1995-05-08 09:11:25 +00:00
Roland McGrath
d66e34cd42 * sysdeps/mach/i386/sysdep.h (SNARF_ARGS, CALL_WITH_SP): Rewritten.
* sysdeps/i386/dl-machine.h: New file.
	* sysdeps/stub/dl-machine.h: New file.
	* sysdeps/i386/dl-runtime.c: New file.
	* sysdeps/stub/dl-runtime.c: New file.
	* sysdeps/i386/elf/start.S: New file.
	* sysdeps/generic/dl-sysdep.c: New file.
	* sysdeps/mach/hurd/dl-sysdep.c: New file.
1995-05-02 06:35:55 +00:00