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Diffstat (limited to 'arch/arm64/include/uapi/asm/ptrace.h')
-rw-r--r--arch/arm64/include/uapi/asm/ptrace.h9
1 files changed, 9 insertions, 0 deletions
diff --git a/arch/arm64/include/uapi/asm/ptrace.h b/arch/arm64/include/uapi/asm/ptrace.h
index d1bb5b69f1ce..42cbe34d95ce 100644
--- a/arch/arm64/include/uapi/asm/ptrace.h
+++ b/arch/arm64/include/uapi/asm/ptrace.h
@@ -46,6 +46,7 @@
#define PSR_I_BIT 0x00000080
#define PSR_A_BIT 0x00000100
#define PSR_D_BIT 0x00000200
+#define PSR_BTYPE_MASK 0x00000c00
#define PSR_SSBS_BIT 0x00001000
#define PSR_PAN_BIT 0x00400000
#define PSR_UAO_BIT 0x00800000
@@ -55,6 +56,8 @@
#define PSR_Z_BIT 0x40000000
#define PSR_N_BIT 0x80000000
+#define PSR_BTYPE_SHIFT 10
+
/*
* Groups of PSR bits
*/
@@ -63,6 +66,12 @@
#define PSR_x 0x0000ff00 /* Extension */
#define PSR_c 0x000000ff /* Control */
+/* Convenience names for the values of PSTATE.BTYPE */
+#define PSR_BTYPE_NONE (0b00 << PSR_BTYPE_SHIFT)
+#define PSR_BTYPE_JC (0b01 << PSR_BTYPE_SHIFT)
+#define PSR_BTYPE_C (0b10 << PSR_BTYPE_SHIFT)
+#define PSR_BTYPE_J (0b11 << PSR_BTYPE_SHIFT)
+
/* syscall emulation path in ptrace */
#define PTRACE_SYSEMU 31
#define PTRACE_SYSEMU_SINGLESTEP 32