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glibc/sysdeps/generic
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Szabolcs Nagy c7aa8596de rtld: Clean up PT_NOTE and add PT_GNU_PROPERTY handling 
Add generic code to handle PT_GNU_PROPERTY notes. Invalid
content is ignored, _dl_process_pt_gnu_property is always called
after PT_LOAD segments are mapped and it has no failure modes.
Currently only one NT_GNU_PROPERTY_TYPE_0 note is handled, which
contains target specific properties: the _dl_process_gnu_property
hook is called for each property.

The old _dl_process_pt_note and _rtld_process_pt_note differ in how
the program header is read.  The old _dl_process_pt_note is called
before PT_LOAD segments are mapped and _rtld_process_pt_note is called
after PT_LOAD segments are mapped. The old _rtld_process_pt_note is
removed and _dl_process_pt_note is always called after PT_LOAD
segments are mapped and now it has no failure modes.

The program headers are scanned backwards so that PT_NOTE can be
skipped if PT_GNU_PROPERTY exists.

Co-Authored-By: H.J. Lu <hjl.tools@gmail.com>
Reviewed-by: Adhemerval Zanella  <adhemerval.zanella@linaro.org>
2020-07-08 14:28:53 +01:00
..
net Update copyright dates with scripts/update-copyrights. 2020-01-01 00:14:33 +00:00
netinet Update copyright dates with scripts/update-copyrights. 2020-01-01 00:14:33 +00:00
nfs Update copyright dates with scripts/update-copyrights. 2020-01-01 00:14:33 +00:00
sys Update copyright dates with scripts/update-copyrights. 2020-01-01 00:14:33 +00:00
_G_config.h Post-cleanup 2: minimize _G_config.h. 2018-02-07 10:10:32 -05:00
_itoa.h Update copyright dates with scripts/update-copyrights. 2020-01-01 00:14:33 +00:00
a.out.h
abort-instr.h Update copyright dates with scripts/update-copyrights. 2020-01-01 00:14:33 +00:00
adaptive_spin_count.h Update copyright dates with scripts/update-copyrights. 2020-01-01 00:14:33 +00:00
aio_misc.h Update copyright dates with scripts/update-copyrights. 2020-01-01 00:14:33 +00:00
allocalim.h
arch-fd_to_filename.h <fd_to_filename.h>: Add type safety and port to Hurd 2020-02-18 13:42:29 +01:00
asm-syntax.h
atomic-machine.h Update copyright dates with scripts/update-copyrights. 2020-01-01 00:14:33 +00:00
c++-types.data Add placeholder c++-types.data and *.abilist files. 2015-02-13 15:41:34 -08:00
confstr.h
crti.S Introduce <elf-initfini.h> and ELF_INITFINI for all architectures 2020-02-18 15:12:25 +01:00
crtn.S Introduce <elf-initfini.h> and ELF_INITFINI for all architectures 2020-02-18 15:12:25 +01:00
device-nrs.h Update copyright dates with scripts/update-copyrights. 2020-01-01 00:14:33 +00:00
dirstream.h Update copyright dates with scripts/update-copyrights. 2020-01-01 00:14:33 +00:00
dl-auxv.h powerpc: Move cache line size to rtld_global_ro 2020-01-17 09:05:03 -03:00
dl-cache.h Update copyright dates with scripts/update-copyrights. 2020-01-01 00:14:33 +00:00
dl-dtprocnum.h Update copyright dates with scripts/update-copyrights. 2020-01-01 00:14:33 +00:00
dl-dtv.h Update copyright dates with scripts/update-copyrights. 2020-01-01 00:14:33 +00:00
dl-fcntl.h Update copyright dates with scripts/update-copyrights. 2020-01-01 00:14:33 +00:00
dl-fileid.h Update copyright dates with scripts/update-copyrights. 2020-01-01 00:14:33 +00:00
dl-fptr.h Update copyright dates with scripts/update-copyrights. 2020-01-01 00:14:33 +00:00
dl-hash.h Update copyright dates with scripts/update-copyrights. 2020-01-01 00:14:33 +00:00
dl-irel.h Update copyright dates with scripts/update-copyrights. 2020-01-01 00:14:33 +00:00
dl-librecon.h Update copyright dates with scripts/update-copyrights. 2020-01-01 00:14:33 +00:00
dl-lookupcfg.h Update copyright dates with scripts/update-copyrights. 2020-01-01 00:14:33 +00:00
dl-machine.h Update copyright dates with scripts/update-copyrights. 2020-01-01 00:14:33 +00:00
dl-mman.h Update copyright dates with scripts/update-copyrights. 2020-01-01 00:14:33 +00:00
dl-osinfo.h Update copyright dates with scripts/update-copyrights. 2020-01-01 00:14:33 +00:00
dl-procinfo.c
dl-procinfo.h Update copyright dates with scripts/update-copyrights. 2020-01-01 00:14:33 +00:00
dl-procruntime.c ld.so: Add architecture specific fields 2017-11-13 08:02:52 -08:00
dl-prop.h rtld: Clean up PT_NOTE and add PT_GNU_PROPERTY handling 2020-07-08 14:28:53 +01:00
dl-sysdep.h Update copyright dates with scripts/update-copyrights. 2020-01-01 00:14:33 +00:00
dl-tls.h
dl-unistd.h Update copyright dates with scripts/update-copyrights. 2020-01-01 00:14:33 +00:00
dl-vdso-setup.c elf: Move vDSO setup to rtld (BZ#24967) 2020-01-03 11:22:07 -03:00
dl-vdso-setup.h elf: Move vDSO setup to rtld (BZ#24967) 2020-01-03 11:22:07 -03:00
dl-vdso.h elf: Move vDSO setup to rtld (BZ#24967) 2020-01-03 11:22:07 -03:00
dwarf2.h Update copyright dates with scripts/update-copyrights. 2020-01-01 00:14:33 +00:00
elf_machine_sym_no_match.h elf: Introduce <elf_machine_sym_no_match.h> 2020-04-24 22:13:03 +02:00
elf-initfini.h Introduce <elf-initfini.h> and ELF_INITFINI for all architectures 2020-02-18 15:12:25 +01:00
elide.h Update copyright dates with scripts/update-copyrights. 2020-01-01 00:14:33 +00:00
eloop-threshold.h Update copyright dates with scripts/update-copyrights. 2020-01-01 00:14:33 +00:00
entry.h
errqueue.h
exit-thread.h Update copyright dates with scripts/update-copyrights. 2020-01-01 00:14:33 +00:00
fd_to_filename.h <fd_to_filename.h>: Add type safety and port to Hurd 2020-02-18 13:42:29 +01:00
fenv_private.h Update copyright dates with scripts/update-copyrights. 2020-01-01 00:14:33 +00:00
fips-private.h Update copyright dates with scripts/update-copyrights. 2020-01-01 00:14:33 +00:00
fix-fp-int-compare-invalid.h Update copyright dates with scripts/update-copyrights. 2020-01-01 00:14:33 +00:00
fix-fp-int-convert-overflow.h Update copyright dates with scripts/update-copyrights. 2020-01-01 00:14:33 +00:00
fix-int-fp-convert-zero.h Update copyright dates with scripts/update-copyrights. 2020-01-01 00:14:33 +00:00
float128-abi.h Move some float128 symbol version definitions. 2017-10-16 22:04:42 +00:00
fork.h
fpu_control.h Update copyright dates with scripts/update-copyrights. 2020-01-01 00:14:33 +00:00
framestate.c Update copyright dates with scripts/update-copyrights. 2020-01-01 00:14:33 +00:00
gcc-compat.h Update copyright dates with scripts/update-copyrights. 2020-01-01 00:14:33 +00:00
gccframe.h Update copyright dates with scripts/update-copyrights. 2020-01-01 00:14:33 +00:00
get-rounding-mode.h Update copyright dates with scripts/update-copyrights. 2020-01-01 00:14:33 +00:00
gmp-mparam.h Update copyright dates with scripts/update-copyrights. 2020-01-01 00:14:33 +00:00
hp-timing-common.h Update copyright dates with scripts/update-copyrights. 2020-01-01 00:14:33 +00:00
hp-timing.h Update HP_TIMING_NOW for _ISOMAC in sysdeps/generic/hp-timing.h 2020-06-05 09:44:06 -07:00
ifreq.h Update copyright dates with scripts/update-copyrights. 2020-01-01 00:14:33 +00:00
ifunc-init.h Update copyright dates with scripts/update-copyrights. 2020-01-01 00:14:33 +00:00
ifunc-sel.h Do not stack-protect ifunc resolvers [BZ #7065] 2016-12-26 10:08:41 +01:00
internal-signals.h Update copyright dates with scripts/update-copyrights. 2020-01-01 00:14:33 +00:00
intr-msg.h
ld.abilist Simplify the abilist format 2015-11-06 13:58:53 +01:00
ldbl-classify-compat.h Update copyright dates with scripts/update-copyrights. 2020-01-01 00:14:33 +00:00
ldconfig.h elf: Include <stddef.h> (for size_t), <sys/stat.h> in <ldconfig.h> 2020-06-25 16:51:03 +02:00
ldsodefs.h rtld: Clean up PT_NOTE and add PT_GNU_PROPERTY handling 2020-07-08 14:28:53 +01:00
libanl.abilist Simplify the abilist format 2015-11-06 13:58:53 +01:00
libBrokenLocale.abilist Simplify the abilist format 2015-11-06 13:58:53 +01:00
libc-lock.h Update copyright dates with scripts/update-copyrights. 2020-01-01 00:14:33 +00:00
libc-mmap.h Update copyright dates with scripts/update-copyrights. 2020-01-01 00:14:33 +00:00
libc-start.h Update copyright dates with scripts/update-copyrights. 2020-01-01 00:14:33 +00:00
libc-tsd.h Update copyright dates with scripts/update-copyrights. 2020-01-01 00:14:33 +00:00
libc.abilist Add the __libc_single_threaded variable 2020-07-06 11:15:58 +02:00
libcrypt.abilist Simplify the abilist format 2015-11-06 13:58:53 +01:00
libdl.abilist Simplify the abilist format 2015-11-06 13:58:53 +01:00
libm-alias-double.h Update copyright dates with scripts/update-copyrights. 2020-01-01 00:14:33 +00:00
libm-alias-float128.h Update copyright dates with scripts/update-copyrights. 2020-01-01 00:14:33 +00:00
libm-alias-float.h Update copyright dates with scripts/update-copyrights. 2020-01-01 00:14:33 +00:00
libm-alias-ldouble.h Update copyright dates with scripts/update-copyrights. 2020-01-01 00:14:33 +00:00
libm-test-ulps Replace gen-libm-test.pl with gen-libm-test.py. 2018-08-09 15:34:12 +00:00
libm-test-ulps-name Do not hardcode platform names in manual/libm-err-tab.pl (bug 14139). 2016-11-04 16:49:06 +00:00
libm.abilist Simplify the abilist format 2015-11-06 13:58:53 +01:00
libnsl.abilist Add placeholder libnsl.abilist and libutil.abilist files 2016-03-07 00:49:36 +01:00
libnss_compat.abilist Add missed zero length files in previous abilist commit. 2012-04-28 15:38:24 -04:00
libnss_db.abilist Add missed zero length files in previous abilist commit. 2012-04-28 15:38:24 -04:00
libnss_dns.abilist Add missed zero length files in previous abilist commit. 2012-04-28 15:38:24 -04:00
libnss_files.abilist Add missed zero length files in previous abilist commit. 2012-04-28 15:38:24 -04:00
libnss_hesiod.abilist Add missed zero length files in previous abilist commit. 2012-04-28 15:38:24 -04:00
libnss_nis.abilist Add missed zero length files in previous abilist commit. 2012-04-28 15:38:24 -04:00
libnss_nisplus.abilist Add missed zero length files in previous abilist commit. 2012-04-28 15:38:24 -04:00
libpthread.abilist Simplify the abilist format 2015-11-06 13:58:53 +01:00
libresolv.abilist Simplify the abilist format 2015-11-06 13:58:53 +01:00
librt.abilist Simplify the abilist format 2015-11-06 13:58:53 +01:00
libutil.abilist Add placeholder libnsl.abilist and libutil.abilist files 2016-03-07 00:49:36 +01:00
link_map.h ld.so: Add architecture specific fields 2017-11-13 08:02:52 -08:00
linkmap.h Rename bits/linkmap.h to linkmap.h (bug 14912). 2015-09-04 19:44:27 +00:00
local-setxid.h * sysdeps/posix/spawni.c (__spawni): Use local_seteuid and 2006-06-04 22:17:06 +00:00
localplt.data ld.so: Do not export free/calloc/malloc/realloc functions [BZ #25486] 2020-02-15 11:01:23 +01:00
machine-gmon.h Update copyright dates with scripts/update-copyrights. 2020-01-01 00:14:33 +00:00
machine-lock.h Update copyright dates with scripts/update-copyrights. 2020-01-01 00:14:33 +00:00
machine-sp.h Update copyright dates with scripts/update-copyrights. 2020-01-01 00:14:33 +00:00
Makefile string: Remove old TLS usage on strsignal 2020-07-07 14:10:58 -03:00
malloc-alignment.h Update copyright dates with scripts/update-copyrights. 2020-01-01 00:14:33 +00:00
malloc-machine.h Update copyright dates with scripts/update-copyrights. 2020-01-01 00:14:33 +00:00
malloc-sysdep.h Update copyright dates with scripts/update-copyrights. 2020-01-01 00:14:33 +00:00
math_ldbl_opt.h Use PRINTF_LDBL_IS_DBL instead of __ldbl_is_dbl. 2018-12-05 18:15:43 -02:00
math_ldbl.h Allow direct use of math_ldbl.h in testsuite. 2017-02-25 10:40:48 -05:00
math_private_calls.h Update copyright dates with scripts/update-copyrights. 2020-01-01 00:14:33 +00:00
math_private.h Enable inlining issignalingf within glibc 2019-11-21 09:39:48 -06:00
math-barriers.h Update copyright dates with scripts/update-copyrights. 2020-01-01 00:14:33 +00:00
math-nan-payload-double.h Update copyright dates with scripts/update-copyrights. 2020-01-01 00:14:33 +00:00
math-nan-payload-float.h Update copyright dates with scripts/update-copyrights. 2020-01-01 00:14:33 +00:00
math-narrow-alias-float128.h ldbl-128ibm-compat: Provide ieee128 symbols to narrow functions 2020-02-20 17:12:14 -06:00
math-tests-arch.h Update copyright dates with scripts/update-copyrights. 2020-01-01 00:14:33 +00:00
math-tests-exceptions.h Update copyright dates with scripts/update-copyrights. 2020-01-01 00:14:33 +00:00
math-tests-rounding.h Update copyright dates with scripts/update-copyrights. 2020-01-01 00:14:33 +00:00
math-tests-snan-cast.h Update copyright dates with scripts/update-copyrights. 2020-01-01 00:14:33 +00:00
math-tests-snan-payload.h Update copyright dates with scripts/update-copyrights. 2020-01-01 00:14:33 +00:00
math-tests-snan.h Update copyright dates with scripts/update-copyrights. 2020-01-01 00:14:33 +00:00
math-tests-trap-force.h Update copyright dates with scripts/update-copyrights. 2020-01-01 00:14:33 +00:00
math-tests-trap.h Update copyright dates with scripts/update-copyrights. 2020-01-01 00:14:33 +00:00
math-tests.h Update copyright dates with scripts/update-copyrights. 2020-01-01 00:14:33 +00:00
math-type-macros-double.h Update copyright dates with scripts/update-copyrights. 2020-01-01 00:14:33 +00:00
math-type-macros-float128.h Update copyright dates with scripts/update-copyrights. 2020-01-01 00:14:33 +00:00
math-type-macros-float.h Update copyright dates with scripts/update-copyrights. 2020-01-01 00:14:33 +00:00
math-type-macros-ldouble.h Update copyright dates with scripts/update-copyrights. 2020-01-01 00:14:33 +00:00
math-type-macros.h Add libm_alias_finite for _finite symbols 2020-01-03 10:02:04 -03:00
math-use-builtins-ceil.h math: Decompose math-use-builtins.h 2020-06-22 11:09:45 -03:00
math-use-builtins-copysign.h math: Decompose math-use-builtins.h 2020-06-22 11:09:45 -03:00
math-use-builtins-floor.h math: Decompose math-use-builtins.h 2020-06-22 11:09:45 -03:00
math-use-builtins-fma.h math: Decompose math-use-builtins.h 2020-06-22 11:09:45 -03:00
math-use-builtins-nearbyint.h math: Decompose math-use-builtins.h 2020-06-22 11:09:45 -03:00
math-use-builtins-rint.h math: Decompose math-use-builtins.h 2020-06-22 11:09:45 -03:00
math-use-builtins-round.h math: Decompose math-use-builtins.h 2020-06-22 11:09:45 -03:00
math-use-builtins-sqrt.h math: Decompose math-use-builtins.h 2020-06-22 11:09:45 -03:00
math-use-builtins-trunc.h math: Decompose math-use-builtins.h 2020-06-22 11:09:45 -03:00
math-use-builtins.h math: Decompose math-use-builtins.h 2020-06-22 11:09:45 -03:00
memcopy.h Update copyright dates with scripts/update-copyrights. 2020-01-01 00:14:33 +00:00
memusage.h y2038: Replace __clock_gettime with __clock_gettime64 2020-05-20 16:45:16 +02:00
mmap_info.h posix: Fix large mmap64 offset for mips64n32 (BZ#24699) 2019-07-10 16:52:50 -03:00
nan-high-order-bit.h Update copyright dates with scripts/update-copyrights. 2020-01-01 00:14:33 +00:00
not-cancel.h Update copyright dates with scripts/update-copyrights. 2020-01-01 00:14:33 +00:00
not-errno.h Update copyright dates with scripts/update-copyrights. 2020-01-01 00:14:33 +00:00
nscd-types.h Update copyright dates with scripts/update-copyrights. 2020-01-01 00:14:33 +00:00
pagecopy.h Update copyright dates with scripts/update-copyrights. 2020-01-01 00:14:33 +00:00
paths.h generic paths.h: remove old paths from _PATH_STDPATH 2012-11-04 10:11:39 +01:00
profil-counter.h Update copyright dates with scripts/update-copyrights. 2020-01-01 00:14:33 +00:00
pty-private.h Update copyright dates with scripts/update-copyrights. 2020-01-01 00:14:33 +00:00
register-dump.h Update copyright dates with scripts/update-copyrights. 2020-01-01 00:14:33 +00:00
rseq-internal.h Linux: Perform rseq registration at C startup and thread creation 2020-07-06 10:21:16 +02:00
rtld-lowlevel.h Jakub Jelinek <jakub@redhat.com> 2006-10-10 00:51:29 +00:00
safe-fatal.h Update copyright dates with scripts/update-copyrights. 2020-01-01 00:14:33 +00:00
setjmpP.h Update copyright dates with scripts/update-copyrights. 2020-01-01 00:14:33 +00:00
sigcontextinfo.h Update copyright dates with scripts/update-copyrights. 2020-01-01 00:14:33 +00:00
siglist-compat.c signal: Move sys_siglist to a compat symbol 2020-07-07 14:10:58 -03:00
siglist-compat.h signal: Move sys_siglist to a compat symbol 2020-07-07 14:10:58 -03:00
siglist.h Update copyright dates with scripts/update-copyrights. 2020-01-01 00:14:33 +00:00
sigset-cvt-mask.h Hurd: Use __sigmask in favor of deprecated sigmask 2020-05-28 11:40:13 +02:00
sigsetops.h Update copyright dates with scripts/update-copyrights. 2020-01-01 00:14:33 +00:00
single-thread.h Update copyright dates with scripts/update-copyrights. 2020-01-01 00:14:33 +00:00
stackguard-macros.h BZ #15754: Fix test case for ARM. 2013-09-23 01:44:38 -04:00
stackinfo.h Update copyright dates with scripts/update-copyrights. 2020-01-01 00:14:33 +00:00
stap-probe-machine.h Update copyright dates with scripts/update-copyrights. 2020-01-01 00:14:33 +00:00
startup.h Update copyright dates with scripts/update-copyrights. 2020-01-01 00:14:33 +00:00
stdio-lock.h Update copyright dates with scripts/update-copyrights. 2020-01-01 00:14:33 +00:00
string_private.h Update copyright dates with scripts/update-copyrights. 2020-01-01 00:14:33 +00:00
symbol-hacks.h Break more lines before not after operators. 2019-02-25 13:19:19 +00:00
sysdep-cancel.h nptl: Remove tst-cancel-wrappers test and related macros 2019-01-03 18:38:08 -02:00
sysdep.h Update copyright dates with scripts/update-copyrights. 2020-01-01 00:14:33 +00:00
thread_state.h Update copyright dates with scripts/update-copyrights. 2020-01-01 00:14:33 +00:00
time-clockid.h Update copyright dates with scripts/update-copyrights. 2020-01-01 00:14:33 +00:00
tininess.h Update copyright dates with scripts/update-copyrights. 2020-01-01 00:14:33 +00:00
tls-internal-struct.h string: Use tls-internal on strerror_l 2020-07-07 14:10:58 -03:00
tls-internal.c string: Remove old TLS usage on strsignal 2020-07-07 14:10:58 -03:00
tls-internal.h string: Use tls-internal on strerror_l 2020-07-07 14:10:58 -03:00
tls-macros.h * elf/tls-macros.h: #include_next <tls-macros.h> to get a sysdeps 2005-03-13 09:09:05 +00:00
tls-setup.h Update copyright dates with scripts/update-copyrights. 2020-01-01 00:14:33 +00:00
tls.h Update copyright dates with scripts/update-copyrights. 2020-01-01 00:14:33 +00:00
tst-audit.h Move testsuite audit definitions to sysdeps tst-audit.h files. 2012-07-26 11:29:07 +00:00
tst-stack-align.h Update copyright dates with scripts/update-copyrights. 2020-01-01 00:14:33 +00:00
unsecvars.h Ignore and remove LD_HWCAP_MASK for AT_SECURE programs (bug #21209) 2017-03-07 20:52:04 +05:30
unwind-arch.h mips: Fix bracktrace result for signal frames 2020-02-18 10:39:03 -03:00
unwind-dw2-fde-glibc.c Update copyright dates with scripts/update-copyrights. 2020-01-01 00:14:33 +00:00
unwind-dw2-fde.c Update copyright dates with scripts/update-copyrights. 2020-01-01 00:14:33 +00:00
unwind-dw2-fde.h Update copyright dates with scripts/update-copyrights. 2020-01-01 00:14:33 +00:00
unwind-dw2.c Update copyright dates with scripts/update-copyrights. 2020-01-01 00:14:33 +00:00
unwind-pe.c Update. 2004-03-10 10:04:19 +00:00
unwind-pe.h Update copyright dates with scripts/update-copyrights. 2020-01-01 00:14:33 +00:00
unwind-resume.h Update copyright dates with scripts/update-copyrights. 2020-01-01 00:14:33 +00:00
unwind.h Update copyright dates with scripts/update-copyrights. 2020-01-01 00:14:33 +00:00
utmp-equal.h Update copyright dates with scripts/update-copyrights. 2020-01-01 00:14:33 +00:00