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[IA64] regset: 64-bit support

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This is the 64-bit regset implementation under IA64. Basically register
read/write, which is derived from current ptrace register read/write.

Signed-off-by: Shaohua Li <shaohua.li@intel.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
This commit is contained in:
Shaohua Li 2008-02-28 16:47:50 +08:00 committed by Tony Luck
parent baadac8b10
commit c70f8f6867
2 changed files with 714 additions and 0 deletions
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690
arch/ia64/kernel/ptrace.c
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@ -3,6 +3,9 @@
*
* Copyright (C) 1999-2005 Hewlett-Packard Co
* David Mosberger-Tang <davidm@hpl.hp.com>
* Copyright (C) 2006 Intel Co
* 2006-08-12 - IA64 Native Utrace implementation support added by
* Anil S Keshavamurthy <anil.s.keshavamurthy@intel.com>
*
* Derived from the x86 and Alpha versions.
*/
@ -17,6 +20,8 @@
#include <linux/security.h>
#include <linux/audit.h>
#include <linux/signal.h>
#include <linux/regset.h>
#include <linux/elf.h>
#include <asm/pgtable.h>
#include <asm/processor.h>
@ -1626,3 +1631,688 @@ syscall_trace_leave (long arg0, long arg1, long arg2, long arg3,
if (test_thread_flag(TIF_RESTORE_RSE))
ia64_sync_krbs();
}
/* Utrace implementation starts here */
struct regset_get {
void *kbuf;
void __user *ubuf;
};
struct regset_set {
const void *kbuf;
const void __user *ubuf;
};
struct regset_getset {
struct task_struct *target;
const struct user_regset *regset;
union {
struct regset_get get;
struct regset_set set;
} u;
unsigned int pos;
unsigned int count;
int ret;
};
static int
access_elf_gpreg(struct task_struct *target, struct unw_frame_info *info,
unsigned long addr, unsigned long *data, int write_access)
{
struct pt_regs *pt;
unsigned long *ptr = NULL;
int ret;
char nat = 0;
pt = task_pt_regs(target);
switch (addr) {
case ELF_GR_OFFSET(1):
ptr = &pt->r1;
break;
case ELF_GR_OFFSET(2):
case ELF_GR_OFFSET(3):
ptr = (void *)&pt->r2 + (addr - ELF_GR_OFFSET(2));
break;
case ELF_GR_OFFSET(4) ... ELF_GR_OFFSET(7):
if (write_access) {
/* read NaT bit first: */
unsigned long dummy;
ret = unw_get_gr(info, addr/8, &dummy, &nat);
if (ret < 0)
return ret;
}
return unw_access_gr(info, addr/8, data, &nat, write_access);
case ELF_GR_OFFSET(8) ... ELF_GR_OFFSET(11):
ptr = (void *)&pt->r8 + addr - ELF_GR_OFFSET(8);
break;
case ELF_GR_OFFSET(12):
case ELF_GR_OFFSET(13):
ptr = (void *)&pt->r12 + addr - ELF_GR_OFFSET(12);
break;
case ELF_GR_OFFSET(14):
ptr = &pt->r14;
break;
case ELF_GR_OFFSET(15):
ptr = &pt->r15;
}
if (write_access)
*ptr = *data;
else
*data = *ptr;
return 0;
}
static int
access_elf_breg(struct task_struct *target, struct unw_frame_info *info,
unsigned long addr, unsigned long *data, int write_access)
{
struct pt_regs *pt;
unsigned long *ptr = NULL;
pt = task_pt_regs(target);
switch (addr) {
case ELF_BR_OFFSET(0):
ptr = &pt->b0;
break;
case ELF_BR_OFFSET(1) ... ELF_BR_OFFSET(5):
return unw_access_br(info, (addr - ELF_BR_OFFSET(0))/8,
data, write_access);
case ELF_BR_OFFSET(6):
ptr = &pt->b6;
break;
case ELF_BR_OFFSET(7):
ptr = &pt->b7;
}
if (write_access)
*ptr = *data;
else
*data = *ptr;
return 0;
}
static int
access_elf_areg(struct task_struct *target, struct unw_frame_info *info,
unsigned long addr, unsigned long *data, int write_access)
{
struct pt_regs *pt;
unsigned long cfm, urbs_end;
unsigned long *ptr = NULL;
pt = task_pt_regs(target);
if (addr >= ELF_AR_RSC_OFFSET && addr <= ELF_AR_SSD_OFFSET) {
switch (addr) {
case ELF_AR_RSC_OFFSET:
/* force PL3 */
if (write_access)
pt->ar_rsc = *data | (3 << 2);
else
*data = pt->ar_rsc;
return 0;
case ELF_AR_BSP_OFFSET:
/*
* By convention, we use PT_AR_BSP to refer to
* the end of the user-level backing store.
* Use ia64_rse_skip_regs(PT_AR_BSP, -CFM.sof)
* to get the real value of ar.bsp at the time
* the kernel was entered.
*
* Furthermore, when changing the contents of
* PT_AR_BSP (or PT_CFM) while the task is
* blocked in a system call, convert the state
* so that the non-system-call exit
* path is used. This ensures that the proper
* state will be picked up when resuming
* execution. However, it *also* means that
* once we write PT_AR_BSP/PT_CFM, it won't be
* possible to modify the syscall arguments of
* the pending system call any longer. This
* shouldn't be an issue because modifying
* PT_AR_BSP/PT_CFM generally implies that
* we're either abandoning the pending system
* call or that we defer it's re-execution
* (e.g., due to GDB doing an inferior
* function call).
*/
urbs_end = ia64_get_user_rbs_end(target, pt, &cfm);
if (write_access) {
if (*data != urbs_end) {
if (in_syscall(pt))
convert_to_non_syscall(target,
pt,
cfm);
/*
* Simulate user-level write
* of ar.bsp:
*/
pt->loadrs = 0;
pt->ar_bspstore = *data;
}
} else
*data = urbs_end;
return 0;
case ELF_AR_BSPSTORE_OFFSET:
ptr = &pt->ar_bspstore;
break;
case ELF_AR_RNAT_OFFSET:
ptr = &pt->ar_rnat;
break;
case ELF_AR_CCV_OFFSET:
ptr = &pt->ar_ccv;
break;
case ELF_AR_UNAT_OFFSET:
ptr = &pt->ar_unat;
break;
case ELF_AR_FPSR_OFFSET:
ptr = &pt->ar_fpsr;
break;
case ELF_AR_PFS_OFFSET:
ptr = &pt->ar_pfs;
break;
case ELF_AR_LC_OFFSET:
return unw_access_ar(info, UNW_AR_LC, data,
write_access);
case ELF_AR_EC_OFFSET:
return unw_access_ar(info, UNW_AR_EC, data,
write_access);
case ELF_AR_CSD_OFFSET:
ptr = &pt->ar_csd;
break;
case ELF_AR_SSD_OFFSET:
ptr = &pt->ar_ssd;
}
} else if (addr >= ELF_CR_IIP_OFFSET && addr <= ELF_CR_IPSR_OFFSET) {
switch (addr) {
case ELF_CR_IIP_OFFSET:
ptr = &pt->cr_iip;
break;
case ELF_CFM_OFFSET:
urbs_end = ia64_get_user_rbs_end(target, pt, &cfm);
if (write_access) {
if (((cfm ^ *data) & PFM_MASK) != 0) {
if (in_syscall(pt))
convert_to_non_syscall(target,
pt,
cfm);
pt->cr_ifs = ((pt->cr_ifs & ~PFM_MASK)
| (*data & PFM_MASK));
}
} else
*data = cfm;
return 0;
case ELF_CR_IPSR_OFFSET:
if (write_access) {
unsigned long tmp = *data;
/* psr.ri==3 is a reserved value: SDM 2:25 */
if ((tmp & IA64_PSR_RI) == IA64_PSR_RI)
tmp &= ~IA64_PSR_RI;
pt->cr_ipsr = ((tmp & IPSR_MASK)
| (pt->cr_ipsr & ~IPSR_MASK));
} else
*data = (pt->cr_ipsr & IPSR_MASK);
return 0;
}
} else if (addr == ELF_NAT_OFFSET)
return access_nat_bits(target, pt, info,
data, write_access);
else if (addr == ELF_PR_OFFSET)
ptr = &pt->pr;
else
return -1;
if (write_access)
*ptr = *data;
else
*data = *ptr;
return 0;
}
static int
access_elf_reg(struct task_struct *target, struct unw_frame_info *info,
unsigned long addr, unsigned long *data, int write_access)
{
if (addr >= ELF_GR_OFFSET(1) && addr <= ELF_GR_OFFSET(15))
return access_elf_gpreg(target, info, addr, data, write_access);
else if (addr >= ELF_BR_OFFSET(0) && addr <= ELF_BR_OFFSET(7))
return access_elf_breg(target, info, addr, data, write_access);
else
return access_elf_areg(target, info, addr, data, write_access);
}
void do_gpregs_get(struct unw_frame_info *info, void *arg)
{
struct pt_regs *pt;
struct regset_getset *dst = arg;
elf_greg_t tmp[16];
unsigned int i, index, min_copy;
if (unw_unwind_to_user(info) < 0)
return;
/*
* coredump format:
* r0-r31
* NaT bits (for r0-r31; bit N == 1 iff rN is a NaT)
* predicate registers (p0-p63)
* b0-b7
* ip cfm user-mask
* ar.rsc ar.bsp ar.bspstore ar.rnat
* ar.ccv ar.unat ar.fpsr ar.pfs ar.lc ar.ec
*/
/* Skip r0 */
if (dst->count > 0 && dst->pos < ELF_GR_OFFSET(1)) {
dst->ret = user_regset_copyout_zero(&dst->pos, &dst->count,
&dst->u.get.kbuf,
&dst->u.get.ubuf,
0, ELF_GR_OFFSET(1));
if (dst->ret || dst->count == 0)
return;
}
/* gr1 - gr15 */
if (dst->count > 0 && dst->pos < ELF_GR_OFFSET(16)) {
index = (dst->pos - ELF_GR_OFFSET(1)) / sizeof(elf_greg_t);
min_copy = ELF_GR_OFFSET(16) > (dst->pos + dst->count) ?
(dst->pos + dst->count) : ELF_GR_OFFSET(16);
for (i = dst->pos; i < min_copy; i += sizeof(elf_greg_t),
index++)
if (access_elf_reg(dst->target, info, i,
&tmp[index], 0) < 0) {
dst->ret = -EIO;
return;
}
dst->ret = user_regset_copyout(&dst->pos, &dst->count,
&dst->u.get.kbuf, &dst->u.get.ubuf, tmp,
ELF_GR_OFFSET(1), ELF_GR_OFFSET(16));
if (dst->ret || dst->count == 0)
return;
}
/* r16-r31 */
if (dst->count > 0 && dst->pos < ELF_NAT_OFFSET) {
pt = task_pt_regs(dst->target);
dst->ret = user_regset_copyout(&dst->pos, &dst->count,
&dst->u.get.kbuf, &dst->u.get.ubuf, &pt->r16,
ELF_GR_OFFSET(16), ELF_NAT_OFFSET);
if (dst->ret || dst->count == 0)
return;
}
/* nat, pr, b0 - b7 */
if (dst->count > 0 && dst->pos < ELF_CR_IIP_OFFSET) {
index = (dst->pos - ELF_NAT_OFFSET) / sizeof(elf_greg_t);
min_copy = ELF_CR_IIP_OFFSET > (dst->pos + dst->count) ?
(dst->pos + dst->count) : ELF_CR_IIP_OFFSET;
for (i = dst->pos; i < min_copy; i += sizeof(elf_greg_t),
index++)
if (access_elf_reg(dst->target, info, i,
&tmp[index], 0) < 0) {
dst->ret = -EIO;
return;
}
dst->ret = user_regset_copyout(&dst->pos, &dst->count,
&dst->u.get.kbuf, &dst->u.get.ubuf, tmp,
ELF_NAT_OFFSET, ELF_CR_IIP_OFFSET);
if (dst->ret || dst->count == 0)
return;
}
/* ip cfm psr ar.rsc ar.bsp ar.bspstore ar.rnat
* ar.ccv ar.unat ar.fpsr ar.pfs ar.lc ar.ec ar.csd ar.ssd
*/
if (dst->count > 0 && dst->pos < (ELF_AR_END_OFFSET)) {
index = (dst->pos - ELF_CR_IIP_OFFSET) / sizeof(elf_greg_t);
min_copy = ELF_AR_END_OFFSET > (dst->pos + dst->count) ?
(dst->pos + dst->count) : ELF_AR_END_OFFSET;
for (i = dst->pos; i < min_copy; i += sizeof(elf_greg_t),
index++)
if (access_elf_reg(dst->target, info, i,
&tmp[index], 0) < 0) {
dst->ret = -EIO;
return;
}
dst->ret = user_regset_copyout(&dst->pos, &dst->count,
&dst->u.get.kbuf, &dst->u.get.ubuf, tmp,
ELF_CR_IIP_OFFSET, ELF_AR_END_OFFSET);
}
}
void do_gpregs_set(struct unw_frame_info *info, void *arg)
{
struct pt_regs *pt;
struct regset_getset *dst = arg;
elf_greg_t tmp[16];
unsigned int i, index;
if (unw_unwind_to_user(info) < 0)
return;
/* Skip r0 */
if (dst->count > 0 && dst->pos < ELF_GR_OFFSET(1)) {
dst->ret = user_regset_copyin_ignore(&dst->pos, &dst->count,
&dst->u.set.kbuf,
&dst->u.set.ubuf,
0, ELF_GR_OFFSET(1));
if (dst->ret || dst->count == 0)
return;
}
/* gr1-gr15 */
if (dst->count > 0 && dst->pos < ELF_GR_OFFSET(16)) {
i = dst->pos;
index = (dst->pos - ELF_GR_OFFSET(1)) / sizeof(elf_greg_t);
dst->ret = user_regset_copyin(&dst->pos, &dst->count,
&dst->u.set.kbuf, &dst->u.set.ubuf, tmp,
ELF_GR_OFFSET(1), ELF_GR_OFFSET(16));
if (dst->ret)
return;
for ( ; i < dst->pos; i += sizeof(elf_greg_t), index++)
if (access_elf_reg(dst->target, info, i,
&tmp[index], 1) < 0) {
dst->ret = -EIO;
return;
}
if (dst->count == 0)
return;
}
/* gr16-gr31 */
if (dst->count > 0 && dst->pos < ELF_NAT_OFFSET) {
pt = task_pt_regs(dst->target);
dst->ret = user_regset_copyin(&dst->pos, &dst->count,
&dst->u.set.kbuf, &dst->u.set.ubuf, &pt->r16,
ELF_GR_OFFSET(16), ELF_NAT_OFFSET);
if (dst->ret || dst->count == 0)
return;
}
/* nat, pr, b0 - b7 */
if (dst->count > 0 && dst->pos < ELF_CR_IIP_OFFSET) {
i = dst->pos;
index = (dst->pos - ELF_NAT_OFFSET) / sizeof(elf_greg_t);
dst->ret = user_regset_copyin(&dst->pos, &dst->count,
&dst->u.set.kbuf, &dst->u.set.ubuf, tmp,
ELF_NAT_OFFSET, ELF_CR_IIP_OFFSET);
if (dst->ret)
return;
for (; i < dst->pos; i += sizeof(elf_greg_t), index++)
if (access_elf_reg(dst->target, info, i,
&tmp[index], 1) < 0) {
dst->ret = -EIO;
return;
}
if (dst->count == 0)
return;
}
/* ip cfm psr ar.rsc ar.bsp ar.bspstore ar.rnat
* ar.ccv ar.unat ar.fpsr ar.pfs ar.lc ar.ec ar.csd ar.ssd
*/
if (dst->count > 0 && dst->pos < (ELF_AR_END_OFFSET)) {
i = dst->pos;
index = (dst->pos - ELF_CR_IIP_OFFSET) / sizeof(elf_greg_t);
dst->ret = user_regset_copyin(&dst->pos, &dst->count,
&dst->u.set.kbuf, &dst->u.set.ubuf, tmp,
ELF_CR_IIP_OFFSET, ELF_AR_END_OFFSET);
if (dst->ret)
return;
for ( ; i < dst->pos; i += sizeof(elf_greg_t), index++)
if (access_elf_reg(dst->target, info, i,
&tmp[index], 1) < 0) {
dst->ret = -EIO;
return;
}
}
}
#define ELF_FP_OFFSET(i) (i * sizeof(elf_fpreg_t))
void do_fpregs_get(struct unw_frame_info *info, void *arg)
{
struct regset_getset *dst = arg;
struct task_struct *task = dst->target;
elf_fpreg_t tmp[30];
int index, min_copy, i;
if (unw_unwind_to_user(info) < 0)
return;
/* Skip pos 0 and 1 */
if (dst->count > 0 && dst->pos < ELF_FP_OFFSET(2)) {
dst->ret = user_regset_copyout_zero(&dst->pos, &dst->count,
&dst->u.get.kbuf,
&dst->u.get.ubuf,
0, ELF_FP_OFFSET(2));
if (dst->count == 0 || dst->ret)
return;
}
/* fr2-fr31 */
if (dst->count > 0 && dst->pos < ELF_FP_OFFSET(32)) {
index = (dst->pos - ELF_FP_OFFSET(2)) / sizeof(elf_fpreg_t);
min_copy = min(((unsigned int)ELF_FP_OFFSET(32)),
dst->pos + dst->count);
for (i = dst->pos; i < min_copy; i += sizeof(elf_fpreg_t),
index++)
if (unw_get_fr(info, i / sizeof(elf_fpreg_t),
&tmp[index])) {
dst->ret = -EIO;
return;
}
dst->ret = user_regset_copyout(&dst->pos, &dst->count,
&dst->u.get.kbuf, &dst->u.get.ubuf, tmp,
ELF_FP_OFFSET(2), ELF_FP_OFFSET(32));
if (dst->count == 0 || dst->ret)
return;
}
/* fph */
if (dst->count > 0) {
ia64_flush_fph(dst->target);
if (task->thread.flags & IA64_THREAD_FPH_VALID)
dst->ret = user_regset_copyout(
&dst->pos, &dst->count,
&dst->u.get.kbuf, &dst->u.get.ubuf,
&dst->target->thread.fph,
ELF_FP_OFFSET(32), -1);
else
/* Zero fill instead. */
dst->ret = user_regset_copyout_zero(
&dst->pos, &dst->count,
&dst->u.get.kbuf, &dst->u.get.ubuf,
ELF_FP_OFFSET(32), -1);
}
}
void do_fpregs_set(struct unw_frame_info *info, void *arg)
{
struct regset_getset *dst = arg;
elf_fpreg_t fpreg, tmp[30];
int index, start, end;
if (unw_unwind_to_user(info) < 0)
return;
/* Skip pos 0 and 1 */
if (dst->count > 0 && dst->pos < ELF_FP_OFFSET(2)) {
dst->ret = user_regset_copyin_ignore(&dst->pos, &dst->count,
&dst->u.set.kbuf,
&dst->u.set.ubuf,
0, ELF_FP_OFFSET(2));
if (dst->count == 0 || dst->ret)
return;
}
/* fr2-fr31 */
if (dst->count > 0 && dst->pos < ELF_FP_OFFSET(32)) {
start = dst->pos;
end = min(((unsigned int)ELF_FP_OFFSET(32)),
dst->pos + dst->count);
dst->ret = user_regset_copyin(&dst->pos, &dst->count,
&dst->u.set.kbuf, &dst->u.set.ubuf, tmp,
ELF_FP_OFFSET(2), ELF_FP_OFFSET(32));
if (dst->ret)
return;
if (start & 0xF) { /* only write high part */
if (unw_get_fr(info, start / sizeof(elf_fpreg_t),
&fpreg)) {
dst->ret = -EIO;
return;
}
tmp[start / sizeof(elf_fpreg_t) - 2].u.bits[0]
= fpreg.u.bits[0];
start &= ~0xFUL;
}
if (end & 0xF) { /* only write low part */
if (unw_get_fr(info, end / sizeof(elf_fpreg_t),
&fpreg)) {
dst->ret = -EIO;
return;
}
tmp[end / sizeof(elf_fpreg_t) - 2].u.bits[1]
= fpreg.u.bits[1];
end = (end + 0xF) & ~0xFUL;
}
for ( ; start < end ; start += sizeof(elf_fpreg_t)) {
index = start / sizeof(elf_fpreg_t);
if (unw_set_fr(info, index, tmp[index - 2])) {
dst->ret = -EIO;
return;
}
}
if (dst->ret || dst->count == 0)
return;
}
/* fph */
if (dst->count > 0 && dst->pos < ELF_FP_OFFSET(128)) {
ia64_sync_fph(dst->target);
dst->ret = user_regset_copyin(&dst->pos, &dst->count,
&dst->u.set.kbuf,
&dst->u.set.ubuf,
&dst->target->thread.fph,
ELF_FP_OFFSET(32), -1);
}
}
static int
do_regset_call(void (*call)(struct unw_frame_info *, void *),
struct task_struct *target,
const struct user_regset *regset,
unsigned int pos, unsigned int count,
const void *kbuf, const void __user *ubuf)
{
struct regset_getset info = { .target = target, .regset = regset,
.pos = pos, .count = count,
.u.set = { .kbuf = kbuf, .ubuf = ubuf },
.ret = 0 };
if (target == current)
unw_init_running(call, &info);
else {
struct unw_frame_info ufi;
memset(&ufi, 0, sizeof(ufi));
unw_init_from_blocked_task(&ufi, target);
(*call)(&ufi, &info);
}
return info.ret;
}
static int
gpregs_get(struct task_struct *target,
const struct user_regset *regset,
unsigned int pos, unsigned int count,
void *kbuf, void __user *ubuf)
{
return do_regset_call(do_gpregs_get, target, regset, pos, count,
kbuf, ubuf);
}
static int gpregs_set(struct task_struct *target,
const struct user_regset *regset,
unsigned int pos, unsigned int count,
const void *kbuf, const void __user *ubuf)
{
return do_regset_call(do_gpregs_set, target, regset, pos, count,
kbuf, ubuf);
}
static void do_gpregs_writeback(struct unw_frame_info *info, void *arg)
{
do_sync_rbs(info, ia64_sync_user_rbs);
}
/*
* This is called to write back the register backing store.
* ptrace does this before it stops, so that a tracer reading the user
* memory after the thread stops will get the current register data.
*/
static int
gpregs_writeback(struct task_struct *target,
const struct user_regset *regset,
int now)
{
if (test_and_set_tsk_thread_flag(target, TIF_RESTORE_RSE))
return 0;
tsk_set_notify_resume(target);
return do_regset_call(do_gpregs_writeback, target, regset, 0, 0,
NULL, NULL);
}
static int
fpregs_active(struct task_struct *target, const struct user_regset *regset)
{
return (target->thread.flags & IA64_THREAD_FPH_VALID) ? 128 : 32;
}
static int fpregs_get(struct task_struct *target,
const struct user_regset *regset,
unsigned int pos, unsigned int count,
void *kbuf, void __user *ubuf)
{
return do_regset_call(do_fpregs_get, target, regset, pos, count,
kbuf, ubuf);
}
static int fpregs_set(struct task_struct *target,
const struct user_regset *regset,
unsigned int pos, unsigned int count,
const void *kbuf, const void __user *ubuf)
{
return do_regset_call(do_fpregs_set, target, regset, pos, count,
kbuf, ubuf);
}
static const struct user_regset native_regsets[] = {
{
.core_note_type = NT_PRSTATUS,
.n = ELF_NGREG,
.size = sizeof(elf_greg_t), .align = sizeof(elf_greg_t),
.get = gpregs_get, .set = gpregs_set,
.writeback = gpregs_writeback
},
{
.core_note_type = NT_PRFPREG,
.n = ELF_NFPREG,
.size = sizeof(elf_fpreg_t), .align = sizeof(elf_fpreg_t),
.get = fpregs_get, .set = fpregs_set, .active = fpregs_active
},
};
static const struct user_regset_view user_ia64_view = {
.name = "ia64",
.e_machine = EM_IA_64,
.regsets = native_regsets, .n = ARRAY_SIZE(native_regsets)
};
const struct user_regset_view *task_user_regset_view(struct task_struct *tsk)
{
return &user_ia64_view;
}

24
include/asm-ia64/elf.h
View File

@ -154,6 +154,30 @@ extern void ia64_init_addr_space (void);
#define ELF_NGREG 128 /* we really need just 72 but let's leave some headroom... */
#define ELF_NFPREG 128 /* f0 and f1 could be omitted, but so what... */
/* elf_gregset_t register offsets */
#define ELF_GR_0_OFFSET 0
#define ELF_NAT_OFFSET (32 * sizeof(elf_greg_t))
#define ELF_PR_OFFSET (33 * sizeof(elf_greg_t))
#define ELF_BR_0_OFFSET (34 * sizeof(elf_greg_t))
#define ELF_CR_IIP_OFFSET (42 * sizeof(elf_greg_t))
#define ELF_CFM_OFFSET (43 * sizeof(elf_greg_t))
#define ELF_CR_IPSR_OFFSET (44 * sizeof(elf_greg_t))
#define ELF_GR_OFFSET(i) (ELF_GR_0_OFFSET + i * sizeof(elf_greg_t))
#define ELF_BR_OFFSET(i) (ELF_BR_0_OFFSET + i * sizeof(elf_greg_t))
#define ELF_AR_RSC_OFFSET (45 * sizeof(elf_greg_t))
#define ELF_AR_BSP_OFFSET (46 * sizeof(elf_greg_t))
#define ELF_AR_BSPSTORE_OFFSET (47 * sizeof(elf_greg_t))
#define ELF_AR_RNAT_OFFSET (48 * sizeof(elf_greg_t))
#define ELF_AR_CCV_OFFSET (49 * sizeof(elf_greg_t))
#define ELF_AR_UNAT_OFFSET (50 * sizeof(elf_greg_t))
#define ELF_AR_FPSR_OFFSET (51 * sizeof(elf_greg_t))
#define ELF_AR_PFS_OFFSET (52 * sizeof(elf_greg_t))
#define ELF_AR_LC_OFFSET (53 * sizeof(elf_greg_t))
#define ELF_AR_EC_OFFSET (54 * sizeof(elf_greg_t))
#define ELF_AR_CSD_OFFSET (55 * sizeof(elf_greg_t))
#define ELF_AR_SSD_OFFSET (56 * sizeof(elf_greg_t))
#define ELF_AR_END_OFFSET (57 * sizeof(elf_greg_t))
typedef unsigned long elf_fpxregset_t;
typedef unsigned long elf_greg_t;