git: 70f901bc94ef - stable/13 - Remove the sigcode base check on arm64

The branch stable/13 has been updated by andrew:

URL: https://cgit.FreeBSD.org/src/commit/?id=70f901bc94efa18f716ed28b924c5210b1e62375

commit 70f901bc94efa18f716ed28b924c5210b1e62375
Author:     Andrew Turner <andrew@FreeBSD.org>
AuthorDate: 2022-01-05 11:01:31 +0000
Commit:     Andrew Turner <andrew@FreeBSD.org>
CommitDate: 2022-01-31 10:05:47 +0000

    Remove the sigcode base check on arm64
    
    This was added with the shared page support. It is unused as we always
    enable the shared page on FreeBSD executables on arm64.
    
    (cherry picked from commit fbdca14953785b6309b2754a90a85180fadc2a9d)
---
 sys/arm64/arm64/exec_machdep.c | 8 +-------
 1 file changed, 1 insertion(+), 7 deletions(-)

diff --git a/sys/arm64/arm64/exec_machdep.c b/sys/arm64/arm64/exec_machdep.c
index cfc288e2b5aa..0766be0b6a1b 100644
--- a/sys/arm64/arm64/exec_machdep.c
+++ b/sys/arm64/arm64/exec_machdep.c
@@ -544,7 +544,6 @@ sendsig(sig_t catcher, ksiginfo_t *ksi, sigset_t *mask)
 	struct trapframe *tf;
 	struct sigframe *fp, frame;
 	struct sigacts *psp;
-	struct sysentvec *sysent;
 	int onstack, sig;
 
 	td = curthread;
@@ -602,12 +601,7 @@ sendsig(sig_t catcher, ksiginfo_t *ksi, sigset_t *mask)
 
 	tf->tf_elr = (register_t)catcher;
 	tf->tf_sp = (register_t)fp;
-	sysent = p->p_sysent;
-	if (sysent->sv_sigcode_base != 0)
-		tf->tf_lr = (register_t)sysent->sv_sigcode_base;
-	else
-		tf->tf_lr = (register_t)(sysent->sv_psstrings -
-		    *(sysent->sv_szsigcode));
+	tf->tf_lr = (register_t)p->p_sysent->sv_sigcode_base;
 
 	CTR3(KTR_SIG, "sendsig: return td=%p pc=%#x sp=%#x", td, tf->tf_elr,
 	    tf->tf_sp);