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authorH.J. Lu <hjl.tools@gmail.com>2018-07-17 16:04:41 -0700
committerH.J. Lu <hjl.tools@gmail.com>2018-07-17 16:05:18 -0700
commit124bcde683d5d8b5c26bd2f535edcf3b7ab6108c (patch)
tree2a5d04ec0beca2b81243a04cfe8bbdc77e1210e6 /sysdeps/x86_64
parent9145f0333d11683cb3d796246d1395c84b4a3516 (diff)
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x86: Add _CET_ENDBR to functions in crti.S
Add _CET_ENDBR to functions in crti.S, which are called indirectly, to
support IBT.

Tested on i686 and x86-64.

Reviewed-by: Carlos O'Donell <carlos@redhat.com>

	* sysdeps/i386/crti.S (_init): Add _CET_ENDBR.
	(_fini): Likewise.
	* sysdeps/x86_64/crti.S (_init): Likewise.
	(_fini): Likewise.
Diffstat (limited to 'sysdeps/x86_64')
-rw-r--r--sysdeps/x86_64/crti.S2
1 files changed, 2 insertions, 0 deletions
diff --git a/sysdeps/x86_64/crti.S b/sysdeps/x86_64/crti.S
index f26915e956..067ac14884 100644
--- a/sysdeps/x86_64/crti.S
+++ b/sysdeps/x86_64/crti.S
@@ -61,6 +61,7 @@
 	.hidden	_init
 	.type _init, @function
 _init:
+	_CET_ENDBR
 	/* Maintain 16-byte stack alignment for called functions.  */
 	subq $8, %rsp
 #if PREINIT_FUNCTION_WEAK
@@ -79,4 +80,5 @@ _init:
 	.hidden	_fini
 	.type _fini, @function
 _fini:
+	_CET_ENDBR
 	subq $8, %rsp