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glibc/include
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Tulio Magno Quites Machado Filho 1ef9b6e0bf Do not redirect calls to __GI_* symbols, when redirecting to *ieee128 
On platforms where long double has IEEE binary128 format as a third
option (initially, only powerpc64le), many exported functions are
redirected to their __*ieee128 equivalents.  This redirection is
provided by installed headers such as stdio-ldbl.h, and is supposed to
work correctly with user code.

However, during the build of glibc, similar redirections are employed,
in internal headers, such as include/stdio.h, in order to avoid extra
PLT entries.  These redirections conflict with the redirections to
__*ieee128, and must be avoided during the build.  This patch protects
the second redirections with a test for __LONG_DOUBLE_USES_FLOAT128, a
new macro that is defined to 1 when functions that deal with long double
typed values reuses the _Float128 implementation (this is currently only
true for powerpc64le).

Tested for powerpc64le, x86_64, and with build-many-glibcs.py.

Co-authored-by: Gabriel F. T. Gomes <gabrielftg@linux.ibm.com>
Reviewed-by: Florian Weimer <fweimer@redhat.com>
2019-12-27 15:02:10 -03:00
..
arpa
CVE-2016-10739: getaddrinfo: Fully parse IPv4 address strings [BZ #20018]
2019-01-21 21:26:03 +01:00
bits
Split up endian.h to minimize exposure of BYTE_ORDER.
2019-10-01 14:54:46 -07:00
gnu
Prefer https to http for gnu.org and fsf.org URLs
2019-09-07 02:43:31 -07:00
net
Fix resolver if_* namespace (bug 17717).
2014-12-16 18:18:49 +00:00
netinet
Add missing header wrappers under include/
2019-02-16 08:25:16 +01:00
programs
Prefer https to http for gnu.org and fsf.org URLs
2019-09-07 02:43:31 -07:00
protocols
…
rpc
Run thread shutdown functions in an explicit order
2018-06-26 15:27:12 +02:00
rpcsvc
Add missing header wrappers under include/
2019-02-16 08:25:16 +01:00
sys
Implement waitpid in terms of wait4
2019-12-19 16:11:09 -03:00
aio.h
…
aliases.h
Mark internal getXXXbyYYY functions with attribute_hidden [BZ #18822]
2017-10-01 15:21:00 -07:00
alloc_buffer.h
Prefer https to http for gnu.org and fsf.org URLs
2019-09-07 02:43:31 -07:00
alloca.h
Remove macros extend_alloca, extend_alloca_account [BZ #18023]
2018-06-27 19:20:37 +02:00
allocate_once.h
Prefer https to http for gnu.org and fsf.org URLs
2019-09-07 02:43:31 -07:00
ar.h
Add missing header wrappers under include/
2019-02-16 08:25:16 +01:00
argp-fmtstream.h
Mark internal argp functions with attribute_hidden [BZ #18822]
2017-10-01 15:10:27 -07:00
argp.h
ldbl-opt: Add argp_error and argp_failure (bug 23983)
2019-03-01 15:21:32 -03:00
argz.h
Use libc_hidden_* for argz_next, __argz_next (bug 15105).
2018-02-15 21:00:02 +00:00
array_length.h
Prefer https to http for gnu.org and fsf.org URLs
2019-09-07 02:43:31 -07:00
assert.h
Introduce NO_RTLD_HIDDEN, make hurd use it instead of NO_HIDDEN
2017-10-03 01:33:38 +02:00
atomic.h
Prefer https to http for gnu.org and fsf.org URLs
2019-09-07 02:43:31 -07:00
byteswap.h
…
complex.h
float128: Add private _Float128 declarations for libm.
2017-05-15 10:23:28 -03:00
cpio.h
Add more headers to include/ for conform tests.
2014-12-11 21:41:30 +00:00
crypt.h
Add include/crypt.h.
2016-10-28 22:40:16 -04:00
ctype.h
Use libc_hidden_* for tolower, toupper (bug 15105).
2018-02-23 13:54:53 +00:00
des.h
…
dirent.h
<dirent.h>: Remove wrong comment about getdents64 declaration
2019-10-09 11:31:03 +02:00
dlfcn.h
dlfcn: Remove remnants of caller sensitivity from dlinfo
2019-10-16 18:21:30 +02:00
dso_handle.h
Mark __dso_handle as hidden [BZ #18822]
2017-09-26 16:53:44 -07:00
elf.h
elf: Refuse to dlopen PIE objects [BZ #24323]
2019-06-18 16:42:10 +02:00
endian.h
…
envz.h
Installed header hygiene (BZ#20366): Test of installed headers.
2016-09-23 08:43:56 -04:00
err.h
ldbl-opt: Add err, errx, verr, verrx, warn, warnx, vwarn, and vwarnx (bug 23984)
2019-03-01 15:24:51 -03:00
errno.h
hurd: Fix accessing errno from rtld
2018-03-25 00:48:01 +01:00
error.h
ldbl-opt: Add error and error_at_line (bug 23984)
2019-03-01 15:26:36 -03:00
execinfo.h
Installed header hygiene (BZ#20366): Test of installed headers.
2016-09-23 08:43:56 -04:00
fcntl.h
Fix Linux fcntl OFD locks for non-LFS architectures (BZ#20251)
2018-06-26 13:22:53 -03:00
features.h
Prefer https to http for gnu.org and fsf.org URLs
2019-09-07 02:43:31 -07:00
fenv.h
Move fenv.h soft-float inlines from fenv_private.h to include/fenv.h.
2018-09-04 19:52:06 +00:00
float.h
Make totalorder and totalordermag functions take pointer arguments.
2019-08-15 15:18:34 +00:00
fmtmsg.h
Add more headers to include/ for conform tests.
2014-12-11 21:41:30 +00:00
fnmatch.h
…
fpu_control.h
Hide internal __setfpucw function [BZ #18822]
2017-10-01 17:52:15 -07:00
fstab.h
Add missing header wrappers under include/
2019-02-16 08:25:16 +01:00
fts.h
Add missing header wrappers under include/
2019-02-16 08:25:16 +01:00
ftw.h
…
gconv.h
…
getopt_int.h
…
getopt.h
getopt: remove USE_NONOPTION_FLAGS
2017-04-07 07:45:53 -04:00
glob.h
Hide internal __glob64 function [BZ #18822]
2017-10-01 18:02:10 -07:00
gmp.h
Mark internal gmp functions with attribute_hidden [BZ #18822]
2017-10-01 15:15:30 -07:00
gnu-versions.h
Prefer https to http for gnu.org and fsf.org URLs
2019-09-07 02:43:31 -07:00
grp-merge.h
NSS: Implement group merging support.
2016-04-29 22:18:21 -04:00
grp.h
Mark internal grp/pwd/shadow functions with attribute_hidden [BZ #18822]
2017-10-01 15:13:13 -07:00
gshadow.h
Mark internal gshadow functions with attribute_hidden [BZ #18822]
2017-10-01 15:19:17 -07:00
iconv.h
…
ifaddrs.h
hurd: Fix getifaddrs' and freeifaddrs' symbol exposition
2017-09-28 01:05:18 +02:00
ifreq.h
Hide internal __ifreq function [BZ #18822]
2017-10-01 17:35:46 -07:00
ifunc-impl-list.h
Prefer https to http for gnu.org and fsf.org URLs
2019-09-07 02:43:31 -07:00
inline-hashtab.h
Prefer https to http for gnu.org and fsf.org URLs
2019-09-07 02:43:31 -07:00
intprops.h
Sync intprops.h with gnulib
2019-10-31 17:02:49 -03:00
inttypes.h
Move inttypes.h and stdint.h to stdlib.
2019-03-13 09:42:09 -04:00
langinfo.h
…
lastlog.h
Add missing header wrappers under include/
2019-02-16 08:25:16 +01:00
libc-diag.h
Prefer https to http for gnu.org and fsf.org URLs
2019-09-07 02:43:31 -07:00
libc-internal.h
Prefer https to http for gnu.org and fsf.org URLs
2019-09-07 02:43:31 -07:00
libc-pointer-arith.h
Prefer https to http for gnu.org and fsf.org URLs
2019-09-07 02:43:31 -07:00
libc-symbols.h
Prefer https to http for gnu.org and fsf.org URLs
2019-09-07 02:43:31 -07:00
libgen.h
…
libintl.h
Installed header hygiene (BZ#20366): Test of installed headers.
2016-09-23 08:43:56 -04:00
limits.h
Prefer https to http for gnu.org and fsf.org URLs
2019-09-07 02:43:31 -07:00
link.h
dlopen: Rework handling of pending NODELETE status
2019-12-13 10:18:46 +01:00
list_t.h
Prefer https to http for gnu.org and fsf.org URLs
2019-09-07 02:43:31 -07:00
list.h
Prefer https to http for gnu.org and fsf.org URLs
2019-09-07 02:43:31 -07:00
locale.h
…
loop_unroll.h
Prefer https to http for gnu.org and fsf.org URLs
2019-09-07 02:43:31 -07:00
malloc.h
Don't declare __malloc_check_init in <malloc.h> (bug 23352)
2019-07-10 15:04:05 +02:00
math-narrow-eval.h
Prefer https to http for gnu.org and fsf.org URLs
2019-09-07 02:43:31 -07:00
math.h
Enable inlining issignalingf within glibc
2019-11-21 09:39:48 -06:00
mcheck.h
Installed header hygiene (BZ#20366): Test of installed headers.
2016-09-23 08:43:56 -04:00
memory.h
…
mntent.h
Hide internal __hasmntopt function [BZ #18822]
2017-10-01 17:37:42 -07:00
monetary.h
ldbl-128ibm-compat: Add strfmon_l with IEEE long double format
2019-12-03 13:30:37 -03:00
mqueue.h
Fix mq_receive, mq_send mq_timed* namespace (bug 18545).
2015-06-17 20:19:04 +00:00
netdb.h
Mark internal getXXXbyYYY functions with attribute_hidden [BZ #18822]
2017-10-01 15:21:00 -07:00
netgroup.h
…
nl_types.h
…
nss.h
nss: Export nscd hash function as __nss_hash [BZ #22459]
2017-11-23 14:08:11 +01:00
nsswitch.h
…
obstack.h
Installed header hygiene (BZ#20366): Test of installed headers.
2016-09-23 08:43:56 -04:00
plural-exp.h
Hide internal __gettextparse function [BZ #18822]
2017-10-01 17:31:05 -07:00
poll.h
…
printf.h
Hide internal printf functions [BZ #18822/21986]
2017-08-22 07:50:57 -07:00
pthread.h
Fix mq_notify pthread_barrier_* namespace (bug 18544).
2015-06-17 20:16:56 +00:00
pty.h
Installed header hygiene (BZ#20366): Test of installed headers.
2016-09-23 08:43:56 -04:00
pwd.h
Mark internal grp/pwd/shadow functions with attribute_hidden [BZ #18822]
2017-10-01 15:13:13 -07:00
random-bits.h
Prefer https to http for gnu.org and fsf.org URLs
2019-09-07 02:43:31 -07:00
re_comp.h
Add missing header wrappers under include/
2019-02-16 08:25:16 +01:00
regex.h
Hide internal regex functions [BZ #18822]
2017-10-01 15:53:15 -07:00
regexp.h
Add missing header wrappers under include/
2019-02-16 08:25:16 +01:00
resolv.h
Obsolete p_secstodate.
2017-11-22 22:21:10 +00:00
rounding-mode.h
Prefer https to http for gnu.org and fsf.org URLs
2019-09-07 02:43:31 -07:00
sched.h
Don't use __typeof__ (getcpu)
2018-12-07 12:47:41 -08:00
scratch_buffer.h
Prefer https to http for gnu.org and fsf.org URLs
2019-09-07 02:43:31 -07:00
search.h
misc: Add twalk_r function
2019-05-02 11:42:51 +02:00
set-hooks.h
Prefer https to http for gnu.org and fsf.org URLs
2019-09-07 02:43:31 -07:00
setjmp.h
Make totalorder and totalordermag functions take pointer arguments.
2019-08-15 15:18:34 +00:00
sgtty.h
…
shadow.h
Mark internal grp/pwd/shadow functions with attribute_hidden [BZ #18822]
2017-10-01 15:13:13 -07:00
shlib-compat.h
nptl: Add more missing placeholder abi symbol from nanosleep move
2019-12-09 15:04:56 -03:00
signal.h
Introduce NO_RTLD_HIDDEN, make hurd use it instead of NO_HIDDEN
2017-10-03 01:33:38 +02:00
spawn.h
posix: Use posix_spawn for wordexp
2019-10-09 17:48:41 -03:00
stab.h
…
stackinfo.h
Prefer https to http for gnu.org and fsf.org URLs
2019-09-07 02:43:31 -07:00
stap-probe.h
Prefer https to http for gnu.org and fsf.org URLs
2019-09-07 02:43:31 -07:00
stdc-predef.h
Prefer https to http for gnu.org and fsf.org URLs
2019-09-07 02:43:31 -07:00
stdint.h
Move inttypes.h and stdint.h to stdlib.
2019-03-13 09:42:09 -04:00
stdio_ext.h
Installed header hygiene (BZ#20366): Test of installed headers.
2016-09-23 08:43:56 -04:00
stdio.h
Do not redirect calls to __GI_* symbols, when redirecting to *ieee128
2019-12-27 15:02:10 -03:00
stdlib.h
Do not redirect calls to __GI_* symbols, when redirecting to *ieee128
2019-12-27 15:02:10 -03:00
string.h
Run thread shutdown functions in an explicit order
2018-06-26 15:27:12 +02:00
strings.h
…
stubs-prologue.h
…
syscall.h
…
sysexits.h
…
syslog.h
…
tar.h
…
termios.h
Hide internal __tcgetattr function [BZ #18822]
2017-10-01 17:48:24 -07:00
tgmath.h
…
time.h
y2038: linux: Provide __timer_settime64 implementation
2019-12-05 23:16:54 +01:00
ttyent.h
Installed header hygiene (BZ#20366): Test of installed headers.
2016-09-23 08:43:56 -04:00
uchar.h
…
ucontext.h
…
ulimit.h
…
unistd.h
hurd: Fix ld.so __access override from libc
2019-12-01 21:05:56 +00:00
utime.h
…
utmp.h
Mark internal utmp functions with attribute_hidden [BZ #18822]
2017-10-01 15:51:56 -07:00
values.h
Prefer https to http for gnu.org and fsf.org URLs
2019-09-07 02:43:31 -07:00
verify.h
posix: Sync regex with gnulib
2019-11-06 09:20:52 -03:00
wait.h
Add missing header wrappers under include/
2019-02-16 08:25:16 +01:00
wchar.h
Use DEPRECATED_SCANF macro for remaining C99-compliant scanf functions
2019-11-22 15:29:21 -03:00
wctype.h
Remove __need macros from stdio.h and wchar.h.
2017-06-08 13:58:17 -04:00
wordexp.h
…