1 /* $NetBSD: ptrace.h,v 1.19 2021/03/06 08:08:19 rin 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_FP(r) (r)->fixreg[31] 26 #define PTRACE_REG_SET_PC(r, v) (r)->pc = (v) 27 #define PTRACE_REG_SP(r) (r)->fixreg[1] 28 #define PTRACE_REG_INTRV(r) (r)->fixreg[3] 29 30 #ifdef _KERNEL 31 #ifdef _KERNEL_OPT 32 #include "opt_altivec.h" 33 #endif 34 35 #if defined(ALTIVEC) || defined(PPC_HAVE_SPE) 36 37 /* We have machine-dependent process tracing requests. */ 38 #define __HAVE_PTRACE_MACHDEP 39 40 #define PTRACE_MACHDEP_REQUEST_CASES \ 41 case PT_GETVECREGS: \ 42 case PT_SETVECREGS: 43 44 int ptrace_machdep_dorequest(struct lwp *, struct lwp **, int, void *, int); 45 int process_machdep_dovecregs(struct lwp *, struct lwp *, struct uio *); 46 int process_machdep_validvecregs(struct proc *); 47 48 /* We have machine-dependent procfs nodes. */ 49 #define __HAVE_PROCFS_MACHDEP 50 51 #define PROCFS_MACHDEP_NODE_TYPES \ 52 Pmachdep_vecregs, /* AltiVec register set */ 53 54 #define PROCFS_MACHDEP_NODETYPE_CASES \ 55 case Pmachdep_vecregs: 56 57 #define PROCFS_MACHDEP_PROTECT_CASES \ 58 case Pmachdep_vecregs: 59 60 #define PROCFS_MACHDEP_NODETYPE_DEFNS \ 61 { DT_REG, N("vecregs"), Pmachdep_vecregs, \ 62 procfs_machdep_validvecregs }, 63 64 /* Functions used by procfs. */ 65 struct mount; 66 struct pfsnode; 67 int procfs_machdep_dovecregs(struct lwp *, struct lwp *, 68 struct pfsnode *, struct uio *); 69 int procfs_machdep_validvecregs(struct lwp *, struct mount *); 70 71 #endif /* ALTIVEC || PPC_HAVE_SPE */ 72 73 #if defined(PPC_BOOKE) || defined(PPC_IBM4XX) 74 int ppc_sstep(struct lwp *, int); 75 #endif /* PPC_BOOKE || PPC_IBM4XX */ 76 #endif /* _KERNEL */ 77 78 #define PTRACE_ILLEGAL_ASM __asm __volatile (".long 0" : : : "memory") 79 80 #define PTRACE_BREAKPOINT ((const uint8_t[]) { 0x7f, 0xe0, 0x00, 0x08 }) 81 #define PTRACE_BREAKPOINT_ASM __asm __volatile("trap") 82 #define PTRACE_BREAKPOINT_SIZE 4 83 84 #endif /* _POWERPC_PTRACE_H */ 85