From ca027e0f62789a0958b69dac4133616a90de6f7c Mon Sep 17 00:00:00 2001 From: "H.J. Lu" Date: Tue, 24 Jul 2018 05:11:59 -0700 Subject: [PATCH] x86-64: Add endbr64 to tst-quadmod[12].S Add endbr64 to tst-quadmod1.S and tst-quadmod2.S so that func and foo can be called indirectly. Reviewed-by: Carlos O'Donell * sysdeps/x86_64/tst-quadmod1.S (func): Add endbr64 if IBT is enabled. (foo): Likewise. * sysdeps/x86_64/tst-quadmod2.S (func) : Likewise. (foo): Likewise. --- ChangeLog | 8 ++++++++ sysdeps/x86_64/tst-quadmod1.S | 6 ++++++ sysdeps/x86_64/tst-quadmod2.S | 6 ++++++ 3 files changed, 20 insertions(+) diff --git a/ChangeLog b/ChangeLog index 03dbce43d9..2a1a53d9df 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,11 @@ +2018-07-24 H.J. Lu + + * sysdeps/x86_64/tst-quadmod1.S (func): Add endbr64 if IBT is + enabled. + (foo): Likewise. + * sysdeps/x86_64/tst-quadmod2.S (func) : Likewise. + (foo): Likewise. + 2018-07-20 Joseph Myers * scripts/build-many-glibcs.py (Context.checkout): Default diff --git a/sysdeps/x86_64/tst-quadmod1.S b/sysdeps/x86_64/tst-quadmod1.S index 26f2f1b599..c60f9dc89d 100644 --- a/sysdeps/x86_64/tst-quadmod1.S +++ b/sysdeps/x86_64/tst-quadmod1.S @@ -28,6 +28,9 @@ .type func, @function func: .cfi_startproc +#if defined __CET__ && (__CET__ & 1) != 0 + endbr64 +#endif xorl %edi, %edi jmp exit@PLT .cfi_endproc @@ -37,6 +40,9 @@ func: foo: .cfi_startproc .cfi_def_cfa_register 6 +#if defined __CET__ && (__CET__ & 1) != 0 + endbr64 +#endif movq .Ljmp(%rip), %rax subq $BIAS, %rax jmp *%rax diff --git a/sysdeps/x86_64/tst-quadmod2.S b/sysdeps/x86_64/tst-quadmod2.S index e923adf672..af03444d4f 100644 --- a/sysdeps/x86_64/tst-quadmod2.S +++ b/sysdeps/x86_64/tst-quadmod2.S @@ -27,6 +27,9 @@ .type func, @function func: .cfi_startproc +#if defined __CET__ && (__CET__ & 1) != 0 + endbr64 +#endif xorl %edi, %edi jmp exit@PLT .cfi_endproc @@ -36,6 +39,9 @@ func: foo: .cfi_startproc .cfi_def_cfa_register 6 +#if defined __CET__ && (__CET__ & 1) != 0 + endbr64 +#endif movq .Ljmp(%rip), %rax subq $BIAS, %rax jmp *%rax