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authorAdhemerval Zanella <adhemerval.zanella@linaro.org>2020-04-24 11:09:00 -0300
committerAdhemerval Zanella <adhemerval.zanella@linaro.org>2020-07-07 14:10:58 -0300
commitb1ccfc061feee9ce616444ded8e1cd5acf9fa97f (patch)
treefc6cf960f68245bcbf045df47955c253a94504d8 /string
parente4e11b1dba261cb650e631978622bf3b4a4d8c37 (diff)
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signal: Move sys_siglist to a compat symbol
The symbol was deprecated by strsignal and its usage imposes issues
such as copy relocations.

Its internal name is changed to __sys_siglist and __sys_sigabbrev to
avoid static linking usage.  The compat code is also refactored, since
both Linux and Hurd usage the same strategy: export the same array with
different object sizes.

The libSegfault change avoids calling strsignal on the SIGFAULT signal
handler (the current usage is already sketchy, adding a call that
potentially issue locale internal function is even sketchier).

Checked on x86_64-linux-gnu and i686-linux-gnu. I also run a check-abi
on all affected platforms.

Reviewed-by: Carlos O'Donell <carlos@redhat.com>
Diffstat (limited to 'string')
-rw-r--r--string/strsignal.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/string/strsignal.c b/string/strsignal.c
index 2843ffe39b..7e3b262c55 100644
--- a/string/strsignal.c
+++ b/string/strsignal.c
@@ -51,7 +51,7 @@ strsignal (int signum)
       (signum >= SIGRTMIN && signum <= SIGRTMAX) ||
 #endif
       signum < 0 || signum >= NSIG
-      || (desc = _sys_siglist[signum]) == NULL)
+      || (desc = __sys_siglist[signum]) == NULL)
     {
       char *buffer = getbuffer ();
       int len;