ARM: remove semihosting globals

Store a flag and errno in in "struct arm".
Have "poll" output report when semihosting is active.
Shrink some of the affected lines.

Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>

1 files changed, 6 insertions, 0 deletions

diff --git a/src/target/armv4_5.h b/src/target/armv4_5.h
index 6c83c3b3..615e4864 100644
--- a/src/target/armv4_5.h
+++ b/src/target/armv4_5.h
@@ -103,6 +103,12 @@ struct arm
 	/** Flag reporting unavailability of the BKPT instruction. */
 	bool is_armv4;
 
+	/** Flag reporting whether semihosting is active. */
+	bool is_semihosting;
+
+	/** Value to be returned by semihosting SYS_ERRNO request. */
+	int semihosting_errno;
+
 	/** Backpointer to the target. */
 	struct target *target;