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28 Commits

Author SHA1 Message Date
Florian Weimer
f4349837d9 Introduce <elf-initfini.h> and ELF_INITFINI for all architectures 
This supersedes the init_array sysdeps directory.  It allows us to
check for ELF_INITFINI in both C and assembler code, and skip DT_INIT
and DT_FINI processing completely on newer architectures.

A new header file is needed because <dl-machine.h> is incompatible
with assembler code.  <sysdep.h> is compatible with assembler code,
but it cannot be included in all assembler files because on some
architectures, it redefines register names, and some assembler files
conflict with that.

<elf-initfini.h> is replicated for legacy architectures which need
DT_INIT/DT_FINI support.  New architectures follow the generic default
and disable it.
 2020-02-18 15:12:25 +01:00
Joseph Myers
d614a75396 Update copyright dates with scripts/update-copyrights. 2020-01-01 00:14:33 +00:00
Paul Eggert
5a82c74822 Prefer https to http for gnu.org and fsf.org URLs 
Also, change sources.redhat.com to sourceware.org.
This patch was automatically generated by running the following shell
script, which uses GNU sed, and which avoids modifying files imported
from upstream:

sed -ri '
  s,(http|ftp)(://(.*\.)?(gnu|fsf|sourceware)\.org($|[^.]|\.[^a-z])),https\2,g
  s,(http|ftp)(://(.*\.)?)sources\.redhat\.com($|[^.]|\.[^a-z]),https\2sourceware.org\4,g
' \
  $(find $(git ls-files) -prune -type f \
      ! -name '*.po' \
      ! -name 'ChangeLog*' \
      ! -path COPYING ! -path COPYING.LIB \
      ! -path manual/fdl-1.3.texi ! -path manual/lgpl-2.1.texi \
      ! -path manual/texinfo.tex ! -path scripts/config.guess \
      ! -path scripts/config.sub ! -path scripts/install-sh \
      ! -path scripts/mkinstalldirs ! -path scripts/move-if-change \
      ! -path INSTALL ! -path  locale/programs/charmap-kw.h \
      ! -path po/libc.pot ! -path sysdeps/gnu/errlist.c \
      ! '(' -name configure \
            -execdir test -f configure.ac -o -f configure.in ';' ')' \
      ! '(' -name preconfigure \
            -execdir test -f preconfigure.ac ';' ')' \
      -print)

and then by running 'make dist-prepare' to regenerate files built
from the altered files, and then executing the following to cleanup:

  chmod a+x sysdeps/unix/sysv/linux/riscv/configure
  # Omit irrelevant whitespace and comment-only changes,
  # perhaps from a slightly-different Autoconf version.
  git checkout -f \
    sysdeps/csky/configure \
    sysdeps/hppa/configure \
    sysdeps/riscv/configure \
    sysdeps/unix/sysv/linux/csky/configure
  # Omit changes that caused a pre-commit check to fail like this:
  # remote: *** error: sysdeps/powerpc/powerpc64/ppc-mcount.S: trailing lines
  git checkout -f \
    sysdeps/powerpc/powerpc64/ppc-mcount.S \
    sysdeps/unix/sysv/linux/s390/s390-64/syscall.S
  # Omit change that caused a pre-commit check to fail like this:
  # remote: *** error: sysdeps/sparc/sparc64/multiarch/memcpy-ultra3.S: last line does not end in newline
  git checkout -f sysdeps/sparc/sparc64/multiarch/memcpy-ultra3.S
 2019-09-07 02:43:31 -07:00
Joseph Myers
04277e02d7 Update copyright dates with scripts/update-copyrights. 
* All files with FSF copyright notices: Update copyright dates
	using scripts/update-copyrights.
	* locale/programs/charmap-kw.h: Regenerated.
	* locale/programs/locfile-kw.h: Likewise.
 2019-01-01 00:11:28 +00:00
Joseph Myers
688903eb3e Update copyright dates with scripts/update-copyrights. 
* All files with FSF copyright notices: Update copyright dates
	using scripts/update-copyrights.
	* locale/programs/charmap-kw.h: Regenerated.
	* locale/programs/locfile-kw.h: Likewise.
 2018-01-01 00:32:25 +00:00
Joseph Myers
bfff8b1bec Update copyright dates with scripts/update-copyrights. 2017-01-01 00:14:16 +00:00
Joseph Myers
f7a9f785e5 Update copyright dates with scripts/update-copyrights. 2016-01-04 16:05:18 +00:00
Joseph Myers
b168057aaa Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
Allan McRae
d4697bc93d Update copyright notices with scripts/update-copyrights 2014-01-01 22:00:23 +10:00
Roland McGrath
9967e003b3 Add sysdeps/init_array to produce empty crt[in].o and use .preinit_array for gcrt1.o 2013-03-12 12:50:13 -07:00
Joseph Myers
568035b787 Update copyright notices with scripts/update-copyrights. 2013-01-02 19:05:09 +00:00
Roland McGrath
21ad055803 Support static IFUNC calls irrespective of USE_MULTIARCH. 2012-08-21 15:01:27 -07:00
Paul Eggert
59ba27a63a Replace FSF snail mail address with URLs. 2012-02-09 23:18:22 +00:00
Roland McGrath
23bee3e867 Comment typo fix. 2011-07-10 14:58:51 -07:00
Ulrich Drepper
1c3c269b55 Fix startup to security-relevant statically linked binaries. 
Before the change they crash on startup.  Perform IREL relocations
earlier to prevent this.
 2009-11-24 11:17:06 -08:00
Andreas Schwab
4bb04b1fb6 Fix USE_MULTIARCH conditional 2009-10-13 16:12:47 +02:00
Ulrich Drepper
443caceb35 Fix build problems with old binutils. 
Old binutils don't provide IFUNC and don't generate the section start/end
symbols we expect.  At least for now only add the initializer code for
static IFUNC relocations if multi-arch support is requested.
 2009-06-05 09:42:32 -07:00
Ulrich Drepper
7441470835 Finish IFUNC support for x86 and x86-64. 
Add support for the IRELAIVE relocation and IFUNC in static executables.
 2009-05-31 23:45:33 -07:00
Ulrich Drepper
ce33ee7caa * configure.in: If init_array/fini_array support is not available, 
bail out.
	* config.h.in: Remove trace of optional init_array/fini_array support.
	* config.make.in: Likewise.
	* csu/elf-init.c: Likewise.
	* dlfcn/dlfcn.c: Likewise.
	* elf/soinit.c: Likewise.
	* sysdeps/ia64/elf/initfinit.c: Likewise.
 2005-11-05 17:46:24 +00:00
Ulrich Drepper
04395c90fc [BZ #974] 
2005-04-13  H.J. Lu  <hongjiu.lu@intel.com>
	[BZ #974]
	* csu/elf-init.c (__preinit_array_start): Take int, char **, char **.
	(__preinit_array_end): Likewise.
	(__init_array_start): Likewise.
	(__init_array_end): Likewise.
	(__libc_csu_init): Take int argc, char **argv, char **envp.
	Call preinit_array and init_array with argc, argv, envp.
	* sysdeps/generic/libc-start.c (LIBC_START_MAIN): Remove
	INIT_MAIN_ARGS.
	* sysdeps/powerpc/elf/libc-start.c (INIT_MAIN_ARGS): Removed.
	* elf/Makefile (distribute): Add tst-array5.c, tst-array5-static.c,
	tst-array5dep.c, and tst-array5.exp.
	(tests): Add tst-array5.
	(tests-static): Add tst-array5-static.
	($(objpfx)tst-array5): New target.
	($(objpfx)tst-array5.out): Likewise.
	($(objpfx)tst-array5-static.out): Likewise.
	* elf/tst-array5-static.c: New file.
	* elf/tst-array5-static.exp: Likewise.
	* elf/tst-array5.c: Likewise.
	* elf/tst-array5.exp: Likewise.
	* elf/tst-array5dep.c: Likewise.
 2005-07-07 23:00:02 +00:00
Ulrich Drepper
df72bc8a33 (__libc_csu_fini): Pretty printing. 2005-07-05 16:49:20 +00:00
Ulrich Drepper
43c59a705b * csu/elf-init.c (__libc_csu_fini): Enable if LIBC_NONSHARED 
isn't defined.
	* sysdeps/generic/libc-start.c (LIBC_START_MAIN): Call fini
	if SHARED isn't defined.
	* elf/Makefile (tests-static): Add tst-array1-static.
	($(objpfx)tst-array1-static.out): New target.
	* elf/tst-array1-static.c: New file.
 2005-02-14 21:25:50 +00:00
Ulrich Drepper
9dcafc5597 * 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.
 2005-01-06 22:40:27 +00:00
Ulrich Drepper
a334319f65 (CFLAGS-tst-align.c): Add -mpreferred-stack-boundary=4. 2004-12-22 20:10:10 +00:00
Jakub Jelinek
0ecb606cb6 2.5-18.1 2007-07-12 18:26:36 +00:00
Roland McGrath
92c6ccd1b2 * csu/elf-init.c: Update copyright terms including special exception 
for these trivial files, which are statically linked into executables
	that use dynamic linking for the significant library code.
	* io/fstat.c: Likewise.
	* io/fstat64.c: Likewise.
	* io/lstat.c: Likewise.
	* io/lstat64.c: Likewise.
	* io/stat.c: Likewise.
	* io/stat64.c: Likewise.
	* stdlib/atexit.c: Likewise.
	* sysdeps/alpha/elf/initfini.c: Likewise.
	* sysdeps/alpha/elf/start.S: Likewise.
	* sysdeps/arm/elf/start.S: Likewise.
	* sysdeps/cris/elf/start.S: Likewise.
	* sysdeps/generic/initfini.c: Likewise.
	* sysdeps/generic/mknod.c: Likewise.
	* sysdeps/hppa/elf/initfini.c: Likewise.
	* sysdeps/hppa/elf/start.S: Likewise.
	* sysdeps/i386/elf/start.S: Likewise.
	* sysdeps/i386/i686/hp-timing.c: Likewise.
	* sysdeps/ia64/elf/initfini.c: Likewise.
	* sysdeps/ia64/elf/start.S: Likewise.
	* sysdeps/ia64/hp-timing.c: Likewise.
	* sysdeps/m68k/elf/start.S: Likewise.
	* sysdeps/mach/start.c: Likewise.
	* sysdeps/mips/elf/start.S: Likewise.
	* sysdeps/powerpc/powerpc32/elf/start.S: Likewise.
	* sysdeps/powerpc/powerpc64/elf/start.S: Likewise.
	* sysdeps/s390/s390-32/elf/start.S: Likewise.
	* sysdeps/s390/s390-32/initfini.c: Likewise.
	* sysdeps/s390/s390-64/elf/start.S: Likewise.
	* sysdeps/s390/s390-64/initfini.c: Likewise.
	* sysdeps/sh/elf/initfini.c: Likewise.
	* sysdeps/sh/elf/start.S: Likewise.
	* sysdeps/sparc/sparc32/elf/start.S: Likewise.
	* sysdeps/sparc/sparc32/sparcv9/hp-timing.c: Likewise.
	* sysdeps/sparc/sparc64/elf/start.S: Likewise.
	* sysdeps/sparc/sparc64/hp-timing.c: Likewise.
	* sysdeps/standalone/i386/start.S: Likewise.
	* sysdeps/standalone/i960/start.S: Likewise.
	* sysdeps/standalone/m68k/m68020/start.S: Likewise.
	* sysdeps/unix/arm/start.c: Likewise.
	* sysdeps/unix/bsd/osf/alpha/start.S: Likewise.
	* sysdeps/unix/bsd/ultrix4/mips/start.S: Likewise.
	* sysdeps/unix/sparc/start.c: Likewise.
	* sysdeps/unix/start.c: Likewise.
	* sysdeps/unix/sysv/aix/start.s: Likewise.
	* sysdeps/unix/sysv/irix4/start.c: Likewise.
	* sysdeps/x86_64/elf/initfini.c: Likewise.
	* sysdeps/x86_64/elf/start.S: Likewise.
 2004-08-16 04:51:23 +00:00
Ulrich Drepper
6d1d0720b1 Update. 
2003-05-21  Ulrich Drepper  <drepper@redhat.com>

	* csu/elf-init.c: Mark __preinit_array_start, __preinit_array_end,
	__init_array_start, __init_array_end, __fini_array_start, and
	__fini_array_end as hidden.
 2003-05-21 19:38:39 +00:00
Roland McGrath
06b31ad3ef * elf/Makefile (tests): Uncomment tst-array[123]. 
* Makeconfig (CPPFLAGS-.oS): Add -DLIBC_NONSHARED=1.
	* csu/elf-init.c: New file.
	* csu/Makefile (routines, static-only-routines): Add elf-init.
	* sysdeps/alpha/elf/start.S: Use __libc_csu_init in place of _init
	and __libc_csu_fini in place of _fini.
	* sysdeps/arm/elf/start.S: Likewise.
	* sysdeps/cris/elf/start.S: Likewise.
	* sysdeps/hppa/elf/start.S: Likewise.
	* sysdeps/i386/elf/start.S: Likewise.
	* sysdeps/ia64/elf/start.S: Likewise.
	* sysdeps/m68k/elf/start.S: Likewise.
	* sysdeps/mach/hurd/powerpc/static-start.S: Likewise.
	* sysdeps/mips/elf/start.S: Likewise.
	* sysdeps/powerpc/powerpc32/elf/start.S: Likewise.
	* sysdeps/powerpc/powerpc64/elf/start.S: Likewise.
	* sysdeps/s390/s390-32/elf/start.S: Likewise.
	* sysdeps/s390/s390-64/elf/start.S: Likewise.
	* sysdeps/sh/elf/start.S: Likewise.
	* sysdeps/sparc/sparc32/elf/start.S: Likewise.
	* sysdeps/sparc/sparc64/elf/start.S: Likewise.
	* sysdeps/x86_64/elf/start.S: Likewise.
 2002-12-09 20:37:37 +00:00