glibc/stdlib/Versions
Joseph Myers 832d8bc00b Do not use wildcard symbol names for public versions in Versions files.
As noted in
<https://sourceware.org/ml/libc-alpha/2012-12/msg00240.html>,
stdlib/Versions and wcsmbs/Versions list some functions as
__strto*_internal and __wcsto*_internal rather than explicitly listing
the symbols to be exported (so any new internal function matching one
of those patterns would be wrongly added to version GLIBC_2.0), which
seems like a bad idea.  This patch changes those files to list the
exported symbols explicitly.  There are still entries in
sysdeps/nacl/Versions for __nacl_irt_*, but as GLIBC_PRIVATE symbols
that seems less significant.

Tested with build-many-glibcs.py that installed stripped shared
libraries are unchanged by the patch.

	* stdlib/Versions (__strtod_internal): List explicitly, not as
	wildcard.
	(__strtof_internal): Likewise.
	(__strtold_internal): Likewise.
	(__strtol_internal): Likewise.
	(__strtoll_internal): Likewise.
	(__strtoul_internal): Likewise.
	(__strtoull_internal): Likewise.
	(__strtoq_internal): Likewise.
	(__strtouq_internal): Likewise.
	* wcsmbs/Versions (__wcstod_internal): Likewise.
	(__wcstof_internal): Likewise.
	(__wcstold_internal): Likewise.
	(__wcstol_internal): Likewise.
	(__wcstoll_internal): Likewise.
	(__wcstoul_internal): Likewise.
	(__wcstoull_internal): Likewise.
2017-04-20 20:35:21 +00:00

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libc {
GLIBC_2.0 {
# functions with required interface outside normal name space
__xpg_basename;
# functions used in inline functions or macros
__strtod_internal; __strtof_internal; __strtold_internal;
__strtol_internal; __strtoll_internal;
__strtoul_internal; __strtoull_internal;
# functions formerly so used (compatibility symbols)
__strtoq_internal; __strtouq_internal;
# compatibility symbol
__secure_getenv;
# a*
a64l; abort; abs; atexit; atof; atoi; atol; atoll;
# b*
bsearch;
# c*
canonicalize_file_name; clearenv;
# d*
div; drand48; drand48_r;
# e*
erand48; erand48_r; exit;
# g*
getenv; getsubopt;
# i*
initstate; initstate_r;
# l*
l64a; labs; lcong48; lcong48_r; ldiv; llabs; lldiv; lrand48; lrand48_r;
# m*
mblen; mbrlen; mbrtowc; mbsinit; mbsnrtowcs; mbsrtowcs; mbstowcs;
mbtowc; mcheck; mcount; mrand48; mrand48_r;
# n*
nrand48; nrand48_r;
# o*
on_exit;
# p*
putenv;
# q*
qsort;
# r*
rand; rand_r; random; random_r; realpath; rpmatch;
# s*
seed48; seed48_r; setcontext; setenv; setstate; setstate_r; srand; srand48;
srand48_r; srandom; srandom_r; step; strfmon; strtod; strtof; strtol;
strtold; strtoll; strtoq; strtoul; strtoull; strtouq; system;
# u*
unsetenv;
# w*
wcstombs; wctomb;
}
GLIBC_2.1 {
# a*
addseverity;
# f*
fmtmsg;
# g*
getcontext;
# m*
makecontext;
# s*
strtoimax; strtoumax; swapcontext;
}
GLIBC_2.1.1 {
# _*
_Exit;
# i*
imaxabs; imaxdiv;
}
GLIBC_2.1.3 {
# used by new G++ ABI
__cxa_atexit; __cxa_finalize;
}
GLIBC_2.3 {
# Silent change in SUS.
realpath;
}
GLIBC_2.8 {
qsort_r;
}
GLIBC_2.10 {
quick_exit; __cxa_at_quick_exit;
}
GLIBC_2.13 {
__fentry__;
}
GLIBC_2.17 {
secure_getenv;
}
GLIBC_2.18 {
__cxa_thread_atexit_impl;
}
GLIBC_2.24 {
quick_exit;
}
GLIBC_2.25 {
# s*
strfromd; strfromf; strfroml;
getrandom; getentropy;
}
GLIBC_PRIVATE {
# functions which have an additional interface since they are
# are cancelable.
__libc_system;
# Variable which needs a dynamic symbol table entry.
__abort_msg;
# Used from other libraries
__libc_secure_getenv;
__call_tls_dtors;
__strtof_nan; __strtod_nan; __strtold_nan;
}
}