xref: /netbsd-src/sys/arch/powerpc/include/ptrace.h (revision bdc22b2e01993381dcefeff2bc9b56ca75a4235c)
1 /*	$NetBSD: ptrace.h,v 1.13 2017/04/08 00:25:49 kamil 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 #define	PT_SETSTEP	(PT_FIRSTMACH + 7)
14 #define	PT_CLEARSTEP	(PT_FIRSTMACH + 8)
15 
16 #define	PT_MACHDEP_STRINGS				\
17 	"PT_STEP",					\
18 	"PT_GETREGS",		"PT_SETREGS",		\
19 	"PT_GETFPREGS",		"PT_SETFPREGS",		\
20 	"PT_GETVECREGS",	"PT_SETVECREGS",	\
21 	"PT_SETSTEP",		"PT_CLEARSTEP",
22 
23 #include <machine/reg.h>
24 #define PTRACE_REG_PC(r)	(r)->pc
25 #define PTRACE_REG_SET_PC(r, v)	(r)->pc = (v)
26 #define PTRACE_REG_SP(r)	(r)->fixreg[1]
27 #define PTRACE_REG_INTRV(r)	(r)->fixreg[3]
28 
29 #ifdef _KERNEL
30 #ifdef _KERNEL_OPT
31 #include "opt_altivec.h"
32 #endif
33 
34 #if defined(ALTIVEC) || defined(PPC_HAVE_SPE)
35 
36 /* We have machine-dependent process tracing requests.  */
37 #define __HAVE_PTRACE_MACHDEP
38 
39 #define	PTRACE_MACHDEP_REQUEST_CASES \
40 	case PT_GETVECREGS: \
41 	case PT_SETVECREGS:
42 
43 int ptrace_machdep_dorequest(struct lwp *, struct lwp *, int, void *, int);
44 int process_machdep_dovecregs(struct lwp *, struct lwp *, struct uio *);
45 int process_machdep_validvecregs(struct proc *);
46 
47 /* We have machine-dependent procfs nodes.  */
48 #define __HAVE_PROCFS_MACHDEP
49 
50 #define	PROCFS_MACHDEP_NODE_TYPES \
51 	Pmachdep_vecregs,		/* AltiVec register set */
52 
53 #define	PROCFS_MACHDEP_NODETYPE_CASES \
54 	case Pmachdep_vecregs:
55 
56 #define	PROCFS_MACHDEP_PROTECT_CASES \
57 	case Pmachdep_vecregs:
58 
59 #define	PROCFS_MACHDEP_NODETYPE_DEFNS \
60 	{ DT_REG, N("vecregs"), Pmachdep_vecregs, \
61 	  procfs_machdep_validvecregs },
62 
63 /* Functions used by procfs.  */
64 struct mount;
65 struct pfsnode;
66 int procfs_machdep_dovecregs(struct lwp *, struct lwp *,
67 	struct pfsnode *, struct uio *);
68 int procfs_machdep_validvecregs(struct lwp *, struct mount *);
69 
70 #endif /* ALTIVEC || PPC_HAVE_SPE */
71 #endif /* _KERNEL */
72 
73 #endif /* _POWERPC_PTRACE_H */
74