diff options
Diffstat (limited to 'arch/arm64/include/asm/ptrace.h')
-rw-r--r-- | arch/arm64/include/asm/ptrace.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/arch/arm64/include/asm/ptrace.h b/arch/arm64/include/asm/ptrace.h index c7ba261dd4b3..501000fadb6f 100644 --- a/arch/arm64/include/asm/ptrace.h +++ b/arch/arm64/include/asm/ptrace.h @@ -21,6 +21,10 @@ #include <uapi/asm/ptrace.h> +/* Current Exception Level values, as contained in CurrentEL */ +#define CurrentEL_EL1 (1 << 2) +#define CurrentEL_EL2 (2 << 2) + /* AArch32-specific ptrace requests */ #define COMPAT_PTRACE_GETREGS 12 #define COMPAT_PTRACE_SETREGS 13 @@ -135,6 +139,11 @@ struct pt_regs { #define user_stack_pointer(regs) \ (!compat_user_mode(regs)) ? ((regs)->sp) : ((regs)->compat_sp) +static inline unsigned long regs_return_value(struct pt_regs *regs) +{ + return regs->regs[0]; +} + /* * Are the current registers suitable for user mode? (used to maintain * security in signal handlers) |