Clear the IT state when invoking a Thumb-2 signal handler
If a process is interrupted during an If-Then block and a signal is
invoked, the ITSTATE bits must be cleared otherwise the handler would
not run correctly.
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Cc: Joseph S. Myers <joseph@codesourcery.com>
diff --git a/arch/arm/include/asm/ptrace.h b/arch/arm/include/asm/ptrace.h
index 236a06b..4a4290f 100644
--- a/arch/arm/include/asm/ptrace.h
+++ b/arch/arm/include/asm/ptrace.h
@@ -65,6 +65,13 @@
#define PSR_x 0x0000ff00 /* Extension */
#define PSR_c 0x000000ff /* Control */
+/*
+ * ARMv7 groups of APSR bits
+ */
+#define PSR_ISET_MASK 0x01000010 /* ISA state (J, T) mask */
+#define PSR_IT_MASK 0x0600fc00 /* If-Then execution state mask */
+#define PSR_ENDIAN_MASK 0x00000200 /* Endianness state mask */
+
#ifndef __ASSEMBLY__
/*