diff options
Diffstat (limited to 'include/asm-arm/proc-armv/ptrace.h')
| -rw-r--r-- | include/asm-arm/proc-armv/ptrace.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/include/asm-arm/proc-armv/ptrace.h b/include/asm-arm/proc-armv/ptrace.h index 42a56433f..213c17ce7 100644 --- a/include/asm-arm/proc-armv/ptrace.h +++ b/include/asm-arm/proc-armv/ptrace.h @@ -71,5 +71,11 @@ struct pt_regs { #define instruction_pointer(regs) ((regs)->ARM_pc) #define pc_pointer(v) (v) +/* Are the current registers suitable for user mode? + * (used to maintain security in signal handlers) + */ +#define valid_user_regs(regs) \ + (user_mode(regs) && ((regs)->ARM_sp & 3) == 0) + #endif |