GNU C Library master sources branch release/2.25/master updated. glibc-2.25-43-g42f7880

[danglin at sourceware dot org]

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http://sourceware.org/git/gitweb.cgi?p=glibc.git;a=commitdiff;h=42f78808b15a775552946eccc4aefbd99617130a

commit 42f78808b15a775552946eccc4aefbd99617130a
Author: John David Anglin <danglin@gcc.gnu.org>
Date:   Sat Aug 12 17:37:14 2017 -0400

    Call exit directly in clone (BZ #21512)
    
    	[BZ #21512]
    	* sysdeps/unix/sysv/linux/aarch64/clone.S (__clone): Call exit
    	syscall instead of jump to _exit.
    	* sysdeps/unix/sysv/linux/hppa/localplt.data: Remove _exit entry.

diff --git a/ChangeLog b/ChangeLog
index 38d1f0d..38dceba 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,11 @@
+2017-08-12  John David Anglin  <danglin@gcc.gnu.org>
+	    Adhemerval Zanella  <adhemerval.zanella@linaro.org>
+
+	[BZ #21512]
+	* sysdeps/unix/sysv/linux/aarch64/clone.S (__clone): Call exit
+	syscall instead of jump to _exit.
+	* sysdeps/unix/sysv/linux/hppa/localplt.data: Remove _exit entry.
+
 2017-08-12  Adhemerval Zanella  <adhemerval.zanella@linaro.org>
 
 	* sysdeps/unix/sysv/linux/hppa/ipc_priv.h: New file.
diff --git a/sysdeps/unix/sysv/linux/hppa/clone.S b/sysdeps/unix/sysv/linux/hppa/clone.S
index 46ee697..f6b4e3e 100644
--- a/sysdeps/unix/sysv/linux/hppa/clone.S
+++ b/sysdeps/unix/sysv/linux/hppa/clone.S
@@ -150,9 +150,9 @@ ENTRY(__clone)
 #ifdef PIC
 	copy	%r4, %r19
 #endif
-	/* The call to _exit needs saved r19.  */
-	bl	_exit, %rp
-	copy	%ret0, %arg0
+	copy	%r28, %r26
+	ble	0x100(%sr2, %r0)
+	ldi	__NR_exit, %r20
 
 	/* We should not return from _exit.
            We do not restore r4, or the stack state.  */
diff --git a/sysdeps/unix/sysv/linux/hppa/localplt.data b/sysdeps/unix/sysv/linux/hppa/localplt.data
index 9dd81b4..db9e24b 100644
--- a/sysdeps/unix/sysv/linux/hppa/localplt.data
+++ b/sysdeps/unix/sysv/linux/hppa/localplt.data
@@ -6,7 +6,6 @@ libc.so: free
 libc.so: malloc
 libc.so: memalign
 libc.so: realloc
-libc.so: _exit
 libc.so: __sigsetjmp
 libc.so: _IO_funlockfile
 libc.so: sigprocmask

-----------------------------------------------------------------------

Summary of changes:
 ChangeLog                                  |    8 ++++++++
 sysdeps/unix/sysv/linux/hppa/clone.S       |    6 +++---
 sysdeps/unix/sysv/linux/hppa/localplt.data |    1 -
 3 files changed, 11 insertions(+), 4 deletions(-)


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