From: Andreas Färber <afaerber@suse.de>
Date: Sun, 8 Jul 2018 17:52:06 +0000 (+0200)
Subject: target: armv8: Avoid semihosting segfault on halt
X-Git-Url: https://git.sur5r.net/?a=commitdiff_plain;h=b82ee0799f6e30d3f03bd707c6e9729de92248d2;p=openocd

target: armv8: Avoid semihosting segfault on halt

Avoid a NULL pointer dereference when halting an aarch64 core.

Change-Id: I333d40475ab26e2f0dca5c27302a5fa4d817a12f
Signed-off-by: Andreas Färber <afaerber@suse.de>
Reviewed-on: http://openocd.zylin.com/4593
Tested-by: jenkins
Reviewed-by: Matthias Welwarsky <matthias@welwarsky.de>
---

diff --git a/src/target/armv8.c b/src/target/armv8.c
index 83f55300..dfa2c67a 100644
--- a/src/target/armv8.c
+++ b/src/target/armv8.c
@@ -1063,7 +1063,7 @@ int armv8_aarch64_state(struct target *target)
 		armv8_mode_name(arm->core_mode),
 		buf_get_u32(arm->cpsr->value, 0, 32),
 		buf_get_u64(arm->pc->value, 0, 64),
-		target->semihosting->is_active ? ", semihosting" : "");
+		(target->semihosting && target->semihosting->is_active) ? ", semihosting" : "");
 
 	return ERROR_OK;
 }