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glibc/sysdeps/x86
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Leandro Pereira 95c1056962 elf: Use nocancel pread64() instead of lseek()+read() 
Transforms this, when linking in a shared object:

  openat(AT_FDCWD, "/lib64/libc.so.6", O_RDONLY|O_CLOEXEC) = 3
  read(3, "\177ELF\2\1\1\3"..., 832) = 832
  lseek(3, 792, SEEK_SET)           = 792
  read(3, "\4\0\0\0\24\0\0\0"..., 68) = 68
  fstat(3, {st_mode=S_IFREG|0755, st_size=6699224, ...}) = 0
  lseek(3, 792, SEEK_SET)           = 792
  read(3, "\4\0\0\0\24\0\0\0"..., 68) = 68
  lseek(3, 864, SEEK_SET)           = 864
  read(3, "\4\0\0\0\20\0\0\0"..., 32) = 32

Into this:

  openat(AT_FDCWD, "/lib64/libc.so.6", O_RDONLY|O_CLOEXEC) = 3
  read(3, "\177ELF\2\1\1\3"..., 832) = 832
  pread(3, "\4\0\0\0\24\0\0\0"..., 68, 792) = 68
  fstat(3, {st_mode=S_IFREG|0755, st_size=6699224, ...}) = 0
  pread(3, "\4\0\0\0\24\0\0\0"..., 68, 792) = 68
  pread(3, "\4\0\0\0\20\0\0\0"..., 32, 864) = 32

Reviewed-by: Carlos O'Donell <carlos@redhat.com>
2019-10-18 15:55:33 -04:00
..
bits Split up endian.h to minimize exposure of BYTE_ORDER. 2019-10-01 14:54:46 -07:00
fpu Prefer https to http for gnu.org and fsf.org URLs 2019-09-07 02:43:31 -07:00
nptl Prefer https to http for gnu.org and fsf.org URLs 2019-09-07 02:43:31 -07:00
__longjmp_cancel.S Prefer https to http for gnu.org and fsf.org URLs 2019-09-07 02:43:31 -07:00
atomic-machine.h Prefer https to http for gnu.org and fsf.org URLs 2019-09-07 02:43:31 -07:00
cacheinfo.c Prefer https to http for gnu.org and fsf.org URLs 2019-09-07 02:43:31 -07:00
cet-tunables.h Prefer https to http for gnu.org and fsf.org URLs 2019-09-07 02:43:31 -07:00
check-cet.awk Prefer https to http for gnu.org and fsf.org URLs 2019-09-07 02:43:31 -07:00
configure x86: Support IBT and SHSTK in Intel CET [BZ #21598] 2018-07-16 14:08:27 -07:00
configure.ac x86: Support IBT and SHSTK in Intel CET [BZ #21598] 2018-07-16 14:08:27 -07:00
cpu-features-offsets.sym x86: Cleanup cpu-features-offsets.sym 2018-08-03 06:42:09 -07:00
cpu-features.c Prefer https to http for gnu.org and fsf.org URLs 2019-09-07 02:43:31 -07:00
cpu-features.h Prefer https to http for gnu.org and fsf.org URLs 2019-09-07 02:43:31 -07:00
cpu-tunables.c Prefer https to http for gnu.org and fsf.org URLs 2019-09-07 02:43:31 -07:00
dl-cet.c Prefer https to http for gnu.org and fsf.org URLs 2019-09-07 02:43:31 -07:00
dl-get-cpu-features.c Prefer https to http for gnu.org and fsf.org URLs 2019-09-07 02:43:31 -07:00
dl-hwcap.h Prefer https to http for gnu.org and fsf.org URLs 2019-09-07 02:43:31 -07:00
dl-lookupcfg.h Prefer https to http for gnu.org and fsf.org URLs 2019-09-07 02:43:31 -07:00
dl-procinfo.c Prefer https to http for gnu.org and fsf.org URLs 2019-09-07 02:43:31 -07:00
dl-procinfo.h Prefer https to http for gnu.org and fsf.org URLs 2019-09-07 02:43:31 -07:00
dl-procruntime.c Prefer https to http for gnu.org and fsf.org URLs 2019-09-07 02:43:31 -07:00
dl-prop.h elf: Use nocancel pread64() instead of lseek()+read() 2019-10-18 15:55:33 -04:00
dl-tunables.list Prefer https to http for gnu.org and fsf.org URLs 2019-09-07 02:43:31 -07:00
elide.h Prefer https to http for gnu.org and fsf.org URLs 2019-09-07 02:43:31 -07:00
float128-abi.h Add float128 support for x86_64, x86. 2017-06-26 22:02:24 +00:00
fpu_control.h Prefer https to http for gnu.org and fsf.org URLs 2019-09-07 02:43:31 -07:00
hp-timing.h Prefer https to http for gnu.org and fsf.org URLs 2019-09-07 02:43:31 -07:00
init-arch.h Prefer https to http for gnu.org and fsf.org URLs 2019-09-07 02:43:31 -07:00
jmp_buf-ssp.sym x86: Support shadow stack pointer in setjmp/longjmp 2018-07-14 05:59:53 -07:00
ldsodefs.h Prefer https to http for gnu.org and fsf.org URLs 2019-09-07 02:43:31 -07:00
libc-start.c Prefer https to http for gnu.org and fsf.org URLs 2019-09-07 02:43:31 -07:00
libc-start.h Prefer https to http for gnu.org and fsf.org URLs 2019-09-07 02:43:31 -07:00
link_map.h Prefer https to http for gnu.org and fsf.org URLs 2019-09-07 02:43:31 -07:00
linkmap.h Rename bits/linkmap.h to linkmap.h (bug 14912). 2015-09-04 19:44:27 +00:00
longjmp.c Prefer https to http for gnu.org and fsf.org URLs 2019-09-07 02:43:31 -07:00
Makeconfig Add _Float64x function aliases. 2017-11-27 14:16:47 +00:00
Makefile Call _dl_open_check after relocation [BZ #24259] 2019-07-01 12:23:22 -07:00
string_private.h Prefer https to http for gnu.org and fsf.org URLs 2019-09-07 02:43:31 -07:00
sysdep.h Prefer https to http for gnu.org and fsf.org URLs 2019-09-07 02:43:31 -07:00
tininess.h Use sysdeps/x86/tininess.h for i386 and x86_64 2012-10-30 20:38:31 -07:00
tst-cet-legacy-1.c Prefer https to http for gnu.org and fsf.org URLs 2019-09-07 02:43:31 -07:00
tst-cet-legacy-1a.c Prefer https to http for gnu.org and fsf.org URLs 2019-09-07 02:43:31 -07:00
tst-cet-legacy-2.c Prefer https to http for gnu.org and fsf.org URLs 2019-09-07 02:43:31 -07:00
tst-cet-legacy-2a.c x86/CET: Add tests with legacy non-CET shared objects 2018-07-25 04:47:05 -07:00
tst-cet-legacy-3.c Prefer https to http for gnu.org and fsf.org URLs 2019-09-07 02:43:31 -07:00
tst-cet-legacy-4.c Prefer https to http for gnu.org and fsf.org URLs 2019-09-07 02:43:31 -07:00
tst-cet-legacy-4a.c x86/CET: Add tests with legacy non-CET shared objects 2018-07-25 04:47:05 -07:00
tst-cet-legacy-4b.c x86/CET: Add tests with legacy non-CET shared objects 2018-07-25 04:47:05 -07:00
tst-cet-legacy-4c.c x86/CET: Add tests with legacy non-CET shared objects 2018-07-25 04:47:05 -07:00
tst-cet-legacy-5.c Prefer https to http for gnu.org and fsf.org URLs 2019-09-07 02:43:31 -07:00
tst-cet-legacy-5a.c Call _dl_open_check after relocation [BZ #24259] 2019-07-01 12:23:22 -07:00
tst-cet-legacy-5b.c Call _dl_open_check after relocation [BZ #24259] 2019-07-01 12:23:22 -07:00
tst-cet-legacy-6.c Prefer https to http for gnu.org and fsf.org URLs 2019-09-07 02:43:31 -07:00
tst-cet-legacy-6a.c Call _dl_open_check after relocation [BZ #24259] 2019-07-01 12:23:22 -07:00
tst-cet-legacy-6b.c Call _dl_open_check after relocation [BZ #24259] 2019-07-01 12:23:22 -07:00
tst-cet-legacy-mod-1.c Prefer https to http for gnu.org and fsf.org URLs 2019-09-07 02:43:31 -07:00
tst-cet-legacy-mod-2.c Prefer https to http for gnu.org and fsf.org URLs 2019-09-07 02:43:31 -07:00
tst-cet-legacy-mod-4.c x86/CET: Add tests with legacy non-CET shared objects 2018-07-25 04:47:05 -07:00
tst-cet-legacy-mod-5.c Prefer https to http for gnu.org and fsf.org URLs 2019-09-07 02:43:31 -07:00
tst-cet-legacy-mod-5a.c Call _dl_open_check after relocation [BZ #24259] 2019-07-01 12:23:22 -07:00
tst-cet-legacy-mod-5b.c Call _dl_open_check after relocation [BZ #24259] 2019-07-01 12:23:22 -07:00
tst-cet-legacy-mod-5c.c Prefer https to http for gnu.org and fsf.org URLs 2019-09-07 02:43:31 -07:00
tst-cet-legacy-mod-6.c Prefer https to http for gnu.org and fsf.org URLs 2019-09-07 02:43:31 -07:00
tst-cet-legacy-mod-6a.c Call _dl_open_check after relocation [BZ #24259] 2019-07-01 12:23:22 -07:00
tst-cet-legacy-mod-6b.c Call _dl_open_check after relocation [BZ #24259] 2019-07-01 12:23:22 -07:00
tst-cet-legacy-mod-6c.c Prefer https to http for gnu.org and fsf.org URLs 2019-09-07 02:43:31 -07:00
tst-cet-legacy-mod-6d.c Call _dl_open_check after relocation [BZ #24259] 2019-07-01 12:23:22 -07:00
tst-get-cpu-features-static.c Add _dl_x86_cpu_features to rtld_global 2015-08-13 03:41:22 -07:00
tst-get-cpu-features.c Prefer https to http for gnu.org and fsf.org URLs 2019-09-07 02:43:31 -07:00
Versions Add _dl_x86_cpu_features to rtld_global 2015-08-13 03:41:22 -07:00