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-rw-r--r--arch/powerpc/include/asm/ptrace.h242
1 files changed, 3 insertions, 239 deletions
diff --git a/arch/powerpc/include/asm/ptrace.h b/arch/powerpc/include/asm/ptrace.h
index 9c21ed42aba6..55380dc16f91 100644
--- a/arch/powerpc/include/asm/ptrace.h
+++ b/arch/powerpc/include/asm/ptrace.h
@@ -1,6 +1,3 @@
1#ifndef _ASM_POWERPC_PTRACE_H
2#define _ASM_POWERPC_PTRACE_H
3
4/* 1/*
5 * Copyright (C) 2001 PPC64 Team, IBM Corp 2 * Copyright (C) 2001 PPC64 Team, IBM Corp
6 * 3 *
@@ -23,37 +20,11 @@
23 * as published by the Free Software Foundation; either version 20 * as published by the Free Software Foundation; either version
24 * 2 of the License, or (at your option) any later version. 21 * 2 of the License, or (at your option) any later version.
25 */ 22 */
23#ifndef _ASM_POWERPC_PTRACE_H
24#define _ASM_POWERPC_PTRACE_H
26 25
27#include <linux/types.h> 26#include <uapi/asm/ptrace.h>
28
29#ifndef __ASSEMBLY__
30
31struct pt_regs {
32 unsigned long gpr[32];
33 unsigned long nip;
34 unsigned long msr;
35 unsigned long orig_gpr3; /* Used for restarting system calls */
36 unsigned long ctr;
37 unsigned long link;
38 unsigned long xer;
39 unsigned long ccr;
40#ifdef __powerpc64__
41 unsigned long softe; /* Soft enabled/disabled */
42#else
43 unsigned long mq; /* 601 only (not used at present) */
44 /* Used on APUS to hold IPL value. */
45#endif
46 unsigned long trap; /* Reason for being here */
47 /* N.B. for critical exceptions on 4xx, the dar and dsisr
48 fields are overloaded to hold srr0 and srr1. */
49 unsigned long dar; /* Fault registers */
50 unsigned long dsisr; /* on 4xx/Book-E used for ESR */
51 unsigned long result; /* Result of a system call */
52};
53
54#endif /* __ASSEMBLY__ */
55 27
56#ifdef __KERNEL__
57 28
58#ifdef __powerpc64__ 29#ifdef __powerpc64__
59 30
@@ -220,219 +191,12 @@ static inline unsigned long regs_get_kernel_stack_nth(struct pt_regs *regs,
220 191
221#endif /* __ASSEMBLY__ */ 192#endif /* __ASSEMBLY__ */
222 193
223#endif /* __KERNEL__ */
224
225/*
226 * Offsets used by 'ptrace' system call interface.
227 * These can't be changed without breaking binary compatibility
228 * with MkLinux, etc.
229 */
230#define PT_R0 0
231#define PT_R1 1
232#define PT_R2 2
233#define PT_R3 3
234#define PT_R4 4
235#define PT_R5 5
236#define PT_R6 6
237#define PT_R7 7
238#define PT_R8 8
239#define PT_R9 9
240#define PT_R10 10
241#define PT_R11 11
242#define PT_R12 12
243#define PT_R13 13
244#define PT_R14 14
245#define PT_R15 15
246#define PT_R16 16
247#define PT_R17 17
248#define PT_R18 18
249#define PT_R19 19
250#define PT_R20 20
251#define PT_R21 21
252#define PT_R22 22
253#define PT_R23 23
254#define PT_R24 24
255#define PT_R25 25
256#define PT_R26 26
257#define PT_R27 27
258#define PT_R28 28
259#define PT_R29 29
260#define PT_R30 30
261#define PT_R31 31
262
263#define PT_NIP 32
264#define PT_MSR 33
265#define PT_ORIG_R3 34
266#define PT_CTR 35
267#define PT_LNK 36
268#define PT_XER 37
269#define PT_CCR 38
270#ifndef __powerpc64__
271#define PT_MQ 39
272#else
273#define PT_SOFTE 39
274#endif
275#define PT_TRAP 40
276#define PT_DAR 41
277#define PT_DSISR 42
278#define PT_RESULT 43
279#define PT_REGS_COUNT 44
280
281#define PT_FPR0 48 /* each FP reg occupies 2 slots in this space */
282
283#ifndef __powerpc64__ 194#ifndef __powerpc64__
284
285#define PT_FPR31 (PT_FPR0 + 2*31)
286#define PT_FPSCR (PT_FPR0 + 2*32 + 1)
287
288#else /* __powerpc64__ */ 195#else /* __powerpc64__ */
289
290#define PT_FPSCR (PT_FPR0 + 32) /* each FP reg occupies 1 slot in 64-bit space */
291
292#ifdef __KERNEL__
293#define PT_FPSCR32 (PT_FPR0 + 2*32 + 1) /* each FP reg occupies 2 32-bit userspace slots */ 196#define PT_FPSCR32 (PT_FPR0 + 2*32 + 1) /* each FP reg occupies 2 32-bit userspace slots */
294#endif
295
296#define PT_VR0 82 /* each Vector reg occupies 2 slots in 64-bit */
297#define PT_VSCR (PT_VR0 + 32*2 + 1)
298#define PT_VRSAVE (PT_VR0 + 33*2)
299
300#ifdef __KERNEL__
301#define PT_VR0_32 164 /* each Vector reg occupies 4 slots in 32-bit */ 197#define PT_VR0_32 164 /* each Vector reg occupies 4 slots in 32-bit */
302#define PT_VSCR_32 (PT_VR0 + 32*4 + 3) 198#define PT_VSCR_32 (PT_VR0 + 32*4 + 3)
303#define PT_VRSAVE_32 (PT_VR0 + 33*4) 199#define PT_VRSAVE_32 (PT_VR0 + 33*4)
304#endif
305
306/*
307 * Only store first 32 VSRs here. The second 32 VSRs in VR0-31
308 */
309#define PT_VSR0 150 /* each VSR reg occupies 2 slots in 64-bit */
310#define PT_VSR31 (PT_VSR0 + 2*31)
311#ifdef __KERNEL__
312#define PT_VSR0_32 300 /* each VSR reg occupies 4 slots in 32-bit */ 200#define PT_VSR0_32 300 /* each VSR reg occupies 4 slots in 32-bit */
313#endif
314#endif /* __powerpc64__ */ 201#endif /* __powerpc64__ */
315
316/*
317 * Get/set all the altivec registers vr0..vr31, vscr, vrsave, in one go.
318 * The transfer totals 34 quadword. Quadwords 0-31 contain the
319 * corresponding vector registers. Quadword 32 contains the vscr as the
320 * last word (offset 12) within that quadword. Quadword 33 contains the
321 * vrsave as the first word (offset 0) within the quadword.
322 *
323 * This definition of the VMX state is compatible with the current PPC32
324 * ptrace interface. This allows signal handling and ptrace to use the same
325 * structures. This also simplifies the implementation of a bi-arch
326 * (combined (32- and 64-bit) gdb.
327 */
328#define PTRACE_GETVRREGS 18
329#define PTRACE_SETVRREGS 19
330
331/* Get/set all the upper 32-bits of the SPE registers, accumulator, and
332 * spefscr, in one go */
333#define PTRACE_GETEVRREGS 20
334#define PTRACE_SETEVRREGS 21
335
336/* Get the first 32 128bit VSX registers */
337#define PTRACE_GETVSRREGS 27
338#define PTRACE_SETVSRREGS 28
339
340/*
341 * Get or set a debug register. The first 16 are DABR registers and the
342 * second 16 are IABR registers.
343 */
344#define PTRACE_GET_DEBUGREG 25
345#define PTRACE_SET_DEBUGREG 26
346
347/* (new) PTRACE requests using the same numbers as x86 and the same
348 * argument ordering. Additionally, they support more registers too
349 */
350#define PTRACE_GETREGS 12
351#define PTRACE_SETREGS 13
352#define PTRACE_GETFPREGS 14
353#define PTRACE_SETFPREGS 15
354#define PTRACE_GETREGS64 22
355#define PTRACE_SETREGS64 23
356
357/* Calls to trace a 64bit program from a 32bit program */
358#define PPC_PTRACE_PEEKTEXT_3264 0x95
359#define PPC_PTRACE_PEEKDATA_3264 0x94
360#define PPC_PTRACE_POKETEXT_3264 0x93
361#define PPC_PTRACE_POKEDATA_3264 0x92
362#define PPC_PTRACE_PEEKUSR_3264 0x91
363#define PPC_PTRACE_POKEUSR_3264 0x90
364
365#define PTRACE_SINGLEBLOCK 0x100 /* resume execution until next branch */
366
367#define PPC_PTRACE_GETHWDBGINFO 0x89
368#define PPC_PTRACE_SETHWDEBUG 0x88
369#define PPC_PTRACE_DELHWDEBUG 0x87
370
371#ifndef __ASSEMBLY__
372
373struct ppc_debug_info {
374 __u32 version; /* Only version 1 exists to date */
375 __u32 num_instruction_bps;
376 __u32 num_data_bps;
377 __u32 num_condition_regs;
378 __u32 data_bp_alignment;
379 __u32 sizeof_condition; /* size of the DVC register */
380 __u64 features;
381};
382
383#endif /* __ASSEMBLY__ */
384
385/*
386 * features will have bits indication whether there is support for:
387 */
388#define PPC_DEBUG_FEATURE_INSN_BP_RANGE 0x0000000000000001
389#define PPC_DEBUG_FEATURE_INSN_BP_MASK 0x0000000000000002
390#define PPC_DEBUG_FEATURE_DATA_BP_RANGE 0x0000000000000004
391#define PPC_DEBUG_FEATURE_DATA_BP_MASK 0x0000000000000008
392
393#ifndef __ASSEMBLY__
394
395struct ppc_hw_breakpoint {
396 __u32 version; /* currently, version must be 1 */
397 __u32 trigger_type; /* only some combinations allowed */
398 __u32 addr_mode; /* address match mode */
399 __u32 condition_mode; /* break/watchpoint condition flags */
400 __u64 addr; /* break/watchpoint address */
401 __u64 addr2; /* range end or mask */
402 __u64 condition_value; /* contents of the DVC register */
403};
404
405#endif /* __ASSEMBLY__ */
406
407/*
408 * Trigger Type
409 */
410#define PPC_BREAKPOINT_TRIGGER_EXECUTE 0x00000001
411#define PPC_BREAKPOINT_TRIGGER_READ 0x00000002
412#define PPC_BREAKPOINT_TRIGGER_WRITE 0x00000004
413#define PPC_BREAKPOINT_TRIGGER_RW \
414 (PPC_BREAKPOINT_TRIGGER_READ | PPC_BREAKPOINT_TRIGGER_WRITE)
415
416/*
417 * Address Mode
418 */
419#define PPC_BREAKPOINT_MODE_EXACT 0x00000000
420#define PPC_BREAKPOINT_MODE_RANGE_INCLUSIVE 0x00000001
421#define PPC_BREAKPOINT_MODE_RANGE_EXCLUSIVE 0x00000002
422#define PPC_BREAKPOINT_MODE_MASK 0x00000003
423
424/*
425 * Condition Mode
426 */
427#define PPC_BREAKPOINT_CONDITION_MODE 0x00000003
428#define PPC_BREAKPOINT_CONDITION_NONE 0x00000000
429#define PPC_BREAKPOINT_CONDITION_AND 0x00000001
430#define PPC_BREAKPOINT_CONDITION_EXACT PPC_BREAKPOINT_CONDITION_AND
431#define PPC_BREAKPOINT_CONDITION_OR 0x00000002
432#define PPC_BREAKPOINT_CONDITION_AND_OR 0x00000003
433#define PPC_BREAKPOINT_CONDITION_BE_ALL 0x00ff0000
434#define PPC_BREAKPOINT_CONDITION_BE_SHIFT 16
435#define PPC_BREAKPOINT_CONDITION_BE(n) \
436 (1<<((n)+PPC_BREAKPOINT_CONDITION_BE_SHIFT))
437
438#endif /* _ASM_POWERPC_PTRACE_H */ 202#endif /* _ASM_POWERPC_PTRACE_H */