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-rw-r--r--arch/arm/include/asm/ptrace.h11
1 files changed, 10 insertions, 1 deletions
diff --git a/arch/arm/include/asm/ptrace.h b/arch/arm/include/asm/ptrace.h
index 312d10877bd7..96187ff58c24 100644
--- a/arch/arm/include/asm/ptrace.h
+++ b/arch/arm/include/asm/ptrace.h
@@ -69,8 +69,9 @@
#define PSR_c 0x000000ff /* Control */
/*
- * ARMv7 groups of APSR bits
+ * ARMv7 groups of PSR bits
*/
+#define APSR_MASK 0xf80f0000 /* N, Z, C, V, Q and GE flags */
#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 */
@@ -200,6 +201,14 @@ extern unsigned long profile_pc(struct pt_regs *regs);
#define PREDICATE_ALWAYS 0xe0000000
/*
+ * True if instr is a 32-bit thumb instruction. This works if instr
+ * is the first or only half-word of a thumb instruction. It also works
+ * when instr holds all 32-bits of a wide thumb instruction if stored
+ * in the form (first_half<<16)|(second_half)
+ */
+#define is_wide_instruction(instr) ((unsigned)(instr) >= 0xe800)
+
+/*
* kprobe-based event tracer support
*/
#include <linux/stddef.h>