PLT avoidance for _exit in rtld.

2015-07-09 15:25:47 -07:00 · 2015-07-09 15:25:47 -07:00 · af85d409a2
parent 2eb9ef29b6
commit af85d409a2
7 changed files with 15 additions and 0 deletions
--- a/9
+++ b/9
@ -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
--- 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)
--- 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)
--- 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)
--- 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)
--- 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)
--- 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)