diff options
Diffstat (limited to 'include/asm-sparc/ptrace.h')
| -rw-r--r-- | include/asm-sparc/ptrace.h | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/include/asm-sparc/ptrace.h b/include/asm-sparc/ptrace.h new file mode 100644 index 000000000..70fb8d5df --- /dev/null +++ b/include/asm-sparc/ptrace.h @@ -0,0 +1,32 @@ +#ifndef _SPARC_PTRACE_H +#define _SPARC_PTRACE_H + +/* I have not looked enough into how this should be done. Without playing + * lots of tricks to optimize I think we need to save the whole register + * window frame plus the floating-point registers. We'll see... + */ + +/* this struct defines the way the registers are stored on the + stack during a system call. */ + +struct pt_regs { + unsigned long ps; /* previous supervisor, same as alpha I believe */ + unsigned long pc; /* current and next program counter */ + unsigned long npc; + unsigned long sp; /* stack and frame pointer */ + unsigned long fp; + unsigned long psr; /* for condition codes */ + unsigned long nuwin; /* number of user windows */ + /* not sure yet whether all regs are necessary + * but this is how it is traditionally done on the sparc. + */ + unsigned long u_regs[24*16]; + unsigned long f_regs[64]; /* yuck yuck yuck */ +}; + +#ifdef __KERNEL__ +#define user_mode(regs) (0x0) /* if previous supervisor is 0, came from user */ +extern void show_regs(struct pt_regs *); +#endif + +#endif |