xref: /netbsd-src/sys/arch/powerpc/include/ptrace.h (revision d909946ca08dceb44d7d0f22ec9488679695d976)
1 /*	$NetBSD: ptrace.h,v 1.12 2015/09/15 15:49:03 christos Exp $	*/
2 
3 #ifndef _POWERPC_PTRACE_H
4 #define	_POWERPC_PTRACE_H
5 
6 #define	PT_STEP		(PT_FIRSTMACH + 0)
7 #define	PT_GETREGS	(PT_FIRSTMACH + 1)
8 #define	PT_SETREGS	(PT_FIRSTMACH + 2)
9 #define	PT_GETFPREGS	(PT_FIRSTMACH + 3)
10 #define	PT_SETFPREGS	(PT_FIRSTMACH + 4)
11 #define	PT_GETVECREGS	(PT_FIRSTMACH + 5)
12 #define	PT_SETVECREGS	(PT_FIRSTMACH + 6)
13 
14 #define	PT_MACHDEP_STRINGS				\
15 	"PT_STEP",					\
16 	"PT_GETREGS",		"PT_SETREGS",		\
17 	"PT_GETFPREGS",		"PT_SETFPREGS",		\
18 	"PT_GETVECREGS",	"PT_SETVECREGS",
19 
20 #include <machine/reg.h>
21 #define PTRACE_REG_PC(r)	(r)->pc
22 #define PTRACE_REG_SET_PC(r, v)	(r)->pc = (v)
23 #define PTRACE_REG_SP(r)	(r)->fixreg[1]
24 #define PTRACE_REG_INTRV(r)	(r)->fixreg[3]
25 
26 #ifdef _KERNEL
27 #ifdef _KERNEL_OPT
28 #include "opt_altivec.h"
29 #endif
30 
31 #if defined(ALTIVEC) || defined(PPC_HAVE_SPE)
32 
33 /* We have machine-dependent process tracing requests.  */
34 #define __HAVE_PTRACE_MACHDEP
35 
36 #define	PTRACE_MACHDEP_REQUEST_CASES \
37 	case PT_GETVECREGS: \
38 	case PT_SETVECREGS:
39 
40 int ptrace_machdep_dorequest(struct lwp *, struct lwp *, int, void *, int);
41 int process_machdep_dovecregs(struct lwp *, struct lwp *, struct uio *);
42 int process_machdep_validvecregs(struct proc *);
43 
44 /* We have machine-dependent procfs nodes.  */
45 #define __HAVE_PROCFS_MACHDEP
46 
47 #define	PROCFS_MACHDEP_NODE_TYPES \
48 	Pmachdep_vecregs,		/* AltiVec register set */
49 
50 #define	PROCFS_MACHDEP_NODETYPE_CASES \
51 	case Pmachdep_vecregs:
52 
53 #define	PROCFS_MACHDEP_PROTECT_CASES \
54 	case Pmachdep_vecregs:
55 
56 #define	PROCFS_MACHDEP_NODETYPE_DEFNS \
57 	{ DT_REG, N("vecregs"), Pmachdep_vecregs, \
58 	  procfs_machdep_validvecregs },
59 
60 /* Functions used by procfs.  */
61 struct mount;
62 struct pfsnode;
63 int procfs_machdep_dovecregs(struct lwp *, struct lwp *,
64 	struct pfsnode *, struct uio *);
65 int procfs_machdep_validvecregs(struct lwp *, struct mount *);
66 
67 #endif /* ALTIVEC || PPC_HAVE_SPE */
68 #endif /* _KERNEL */
69 
70 #endif /* _POWERPC_PTRACE_H */
71