diff options
Diffstat (limited to 'include/asm-sparc64')
| -rw-r--r-- | include/asm-sparc64/ptrace.h | 23 |
1 files changed, 22 insertions, 1 deletions
diff --git a/include/asm-sparc64/ptrace.h b/include/asm-sparc64/ptrace.h index b4b951d570bb..714b81956f32 100644 --- a/include/asm-sparc64/ptrace.h +++ b/include/asm-sparc64/ptrace.h @@ -1,4 +1,3 @@ -/* $Id: ptrace.h,v 1.14 2002/02/09 19:49:32 davem Exp $ */ #ifndef _SPARC64_PTRACE_H #define _SPARC64_PTRACE_H @@ -8,10 +7,15 @@ * stack during a system call and basically all traps. */ +/* This magic value must have the low 9 bits clear, + * as that is where we encode the %tt value, see below. + */ #define PT_REGS_MAGIC 0x57ac6c00 #ifndef __ASSEMBLY__ +#include <linux/types.h> + struct pt_regs { unsigned long u_regs[16]; /* globals and ins */ unsigned long tstate; @@ -33,6 +37,23 @@ struct pt_regs { unsigned int magic; }; +static inline int pt_regs_trap_type(struct pt_regs *regs) +{ + return regs->magic & 0x1ff; +} + +static inline int pt_regs_clear_trap_type(struct pt_regs *regs) +{ + return regs->magic &= ~0x1ff; +} + +static inline bool pt_regs_is_syscall(struct pt_regs *regs) +{ + int tt = pt_regs_trap_type(regs); + + return (tt == 0x110 || tt == 0x111 || tt == 0x16d); +} + struct pt_regs32 { unsigned int psr; unsigned int pc; |