aboutsummaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
-rw-r--r--arch/arm64/include/asm/ptrace.h21
1 files changed, 19 insertions, 2 deletions
diff --git a/arch/arm64/include/asm/ptrace.h b/arch/arm64/include/asm/ptrace.h
index b04d3404f0d1..de68a5aa60c3 100644
--- a/arch/arm64/include/asm/ptrace.h
+++ b/arch/arm64/include/asm/ptrace.h
@@ -44,10 +44,27 @@
44 44
45/* sizeof(struct user) for AArch32 */ 45/* sizeof(struct user) for AArch32 */
46#define COMPAT_USER_SZ 296 46#define COMPAT_USER_SZ 296
47/* AArch32 uses x13 as the stack pointer... */ 47
48/* Architecturally defined mapping between AArch32 and AArch64 registers */
49#define compat_usr(x) regs[(x)]
48#define compat_sp regs[13] 50#define compat_sp regs[13]
49/* ... and x14 as the link register. */
50#define compat_lr regs[14] 51#define compat_lr regs[14]
52#define compat_sp_hyp regs[15]
53#define compat_sp_irq regs[16]
54#define compat_lr_irq regs[17]
55#define compat_sp_svc regs[18]
56#define compat_lr_svc regs[19]
57#define compat_sp_abt regs[20]
58#define compat_lr_abt regs[21]
59#define compat_sp_und regs[22]
60#define compat_lr_und regs[23]
61#define compat_r8_fiq regs[24]
62#define compat_r9_fiq regs[25]
63#define compat_r10_fiq regs[26]
64#define compat_r11_fiq regs[27]
65#define compat_r12_fiq regs[28]
66#define compat_sp_fiq regs[29]
67#define compat_lr_fiq regs[30]
51 68
52/* 69/*
53 * This struct defines the way the registers are stored on the stack during an 70 * This struct defines the way the registers are stored on the stack during an