PLT avoidance for _exit in rtld.

git-mirror · Jul 9, 2015 · af85d40 · af85d40
1 parent 2eb9ef2
commit af85d40
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diff --git a/ChangeLog b/ChangeLog
@@ -1,3 +1,12 @@
+2015-07-09  Roland McGrath  <roland@hack.frob.com>
+
+	* include/unistd.h: Add rtld_hidden_proto for _exit.
+	* posix/_exit.c: Add rtld_hidden_def.
+	* sysdeps/mach/hurd/_exit.c: Likewise.
+	* sysdeps/nacl/_exit.c: Likewise.
+	* sysdeps/unix/sysv/linux/_exit.c: Likewise.
+	* sysdeps/unix/sysv/linux/i386/_exit.S: Likewise.
+
 2015-07-09  H.J. Lu  <hongjiu.lu@intel.com>
 
 	* sysdeps/x86_64/dl-trampoline.S (_dl_runtime_resolve): Improve

diff --git a/include/unistd.h b/include/unistd.h
@@ -5,6 +5,7 @@
 __BEGIN_DECLS
 
 libc_hidden_proto (_exit, __noreturn__)
+rtld_hidden_proto (_exit, __noreturn__)
 libc_hidden_proto (alarm)
 libc_hidden_proto (confstr)
 libc_hidden_proto (execl)

diff --git a/posix/_exit.c b/posix/_exit.c
@@ -29,6 +29,7 @@ _exit (status)
   abort ();
 }
 libc_hidden_def (_exit)
+rtld_hidden_def (_exit)
 weak_alias (_exit, _Exit)
 
 stub_warning (_exit)
diff --git a/sysdeps/mach/hurd/_exit.c b/sysdeps/mach/hurd/_exit.c
@@ -52,4 +52,5 @@ _exit (status)
   _hurd_exit (W_EXITCODE (status, 0));
 }
 libc_hidden_def (_exit)
+rtld_hidden_def (_exit)
 weak_alias (_exit, _Exit)
diff --git a/sysdeps/nacl/_exit.c b/sysdeps/nacl/_exit.c
@@ -31,4 +31,5 @@ _exit (int status)
     __builtin_trap ();
 }
 libc_hidden_def (_exit)
+rtld_hidden_def (_exit)
 weak_alias (_exit, _Exit)
diff --git a/sysdeps/unix/sysv/linux/_exit.c b/sysdeps/unix/sysv/linux/_exit.c
@@ -39,4 +39,5 @@ _exit (status)
     }
 }
 libc_hidden_def (_exit)
+rtld_hidden_def (_exit)
 weak_alias (_exit, _Exit)
diff --git a/sysdeps/unix/sysv/linux/i386/_exit.S b/sysdeps/unix/sysv/linux/i386/_exit.S
@@ -40,4 +40,5 @@ _exit:
 	.size	_exit,.-_exit
 
 libc_hidden_def (_exit)
+rtld_hidden_def (_exit)
 weak_alias (_exit, _Exit)