C++ (Cpp) user_regset_copyoutの例

コード例 #1

ファイル: ptrace.c プロジェクト: PurpleAlien/linux-linaro-natty

static int fpa_get(struct task_struct *target,
		   const struct user_regset *regset,
		   unsigned int pos, unsigned int count,
		   void *kbuf, void __user *ubuf)
{
	return user_regset_copyout(&pos, &count, &kbuf, &ubuf,
				   &task_thread_info(target)->fpstate,
				   0, sizeof(struct user_fp));
}

コード例 #2

ファイル: ptrace.c プロジェクト: 7799/linux

static int gpr_get(struct task_struct *target,
		   const struct user_regset *regset,
		   unsigned int pos, unsigned int count,
		   void *kbuf, void __user *ubuf)
{
	struct pt_regs *regs = task_pt_regs(target);

	return user_regset_copyout(&pos, &count, &kbuf, &ubuf,
				   regs, 0, sizeof(*regs));
}

コード例 #3

ファイル: ptrace_32.c プロジェクト: 01org/thunderbolt-software-kernel-tree

static int fpregs32_get(struct task_struct *target,
			const struct user_regset *regset,
			unsigned int pos, unsigned int count,
			void *kbuf, void __user *ubuf)
{
	const unsigned long *fpregs = target->thread.float_regs;
	int ret = 0;

#if 0
	if (target == current)
		save_and_clear_fpu();
#endif

	ret = user_regset_copyout(&pos, &count, &kbuf, &ubuf,
				  fpregs,
				  0, 32 * sizeof(u32));

	if (!ret)
		ret = user_regset_copyout_zero(&pos, &count, &kbuf, &ubuf,
					       32 * sizeof(u32),
					       33 * sizeof(u32));
	if (!ret)
		ret = user_regset_copyout(&pos, &count, &kbuf, &ubuf,
					  &target->thread.fsr,
					  33 * sizeof(u32),
					  34 * sizeof(u32));

	if (!ret) {
		unsigned long val;

		val = (1 << 8) | (8 << 16);
		ret = user_regset_copyout(&pos, &count, &kbuf, &ubuf,
					  &val,
					  34 * sizeof(u32),
					  35 * sizeof(u32));
	}

	if (!ret)
		ret = user_regset_copyout_zero(&pos, &count, &kbuf, &ubuf,
					       35 * sizeof(u32), -1);

	return ret;
}

コード例 #4

ファイル: ptrace.c プロジェクト: BlissRoms-Kernels/kernel_motorola_BlissPure

static int system_call_get(struct task_struct *target,
			   const struct user_regset *regset,
			   unsigned int pos, unsigned int count,
			   void *kbuf, void __user *ubuf)
{
	int syscallno = task_pt_regs(target)->syscallno;

	return user_regset_copyout(&pos, &count, &kbuf, &ubuf,
				   &syscallno, 0, -1);
}

コード例 #5

ファイル: ptrace.c プロジェクト: 0x7f454c46/linux

/* Copy the FP mode setting to the supplied NT_MIPS_FP_MODE buffer.  */
static int fp_mode_get(struct task_struct *target,
		       const struct user_regset *regset,
		       unsigned int pos, unsigned int count,
		       void *kbuf, void __user *ubuf)
{
	int fp_mode;

	fp_mode = mips_get_process_fp_mode(target);
	return user_regset_copyout(&pos, &count, &kbuf, &ubuf, &fp_mode, 0,
				   sizeof(fp_mode));
}

コード例 #6

ファイル: ptrace.c プロジェクト: 0-T-0/ps4-linux

int metag_gp_regs_copyout(const struct pt_regs *regs,
			  unsigned int pos, unsigned int count,
			  void *kbuf, void __user *ubuf)
{
	const void *ptr;
	unsigned long data;
	int ret;

	/* D{0-1}.{0-7} */
	ret = user_regset_copyout(&pos, &count, &kbuf, &ubuf,
				  regs->ctx.DX, 0, 4*16);
	if (ret)
		goto out;
	/* A{0-1}.{0-1} */
	ret = user_regset_copyout(&pos, &count, &kbuf, &ubuf,
				  regs->ctx.AX, 4*16, 4*20);
	if (ret)
		goto out;
	/* A{0-1}.2 */
	if (regs->ctx.SaveMask & TBICTX_XEXT_BIT)
		ptr = regs->ctx.Ext.Ctx.pExt;
	else
		ptr = &regs->ctx.Ext.AX2;
	ret = user_regset_copyout(&pos, &count, &kbuf, &ubuf,
				  ptr, 4*20, 4*22);
	if (ret)
		goto out;
	/* A{0-1}.3 */
	ret = user_regset_copyout(&pos, &count, &kbuf, &ubuf,
				  &regs->ctx.AX3, 4*22, 4*24);
	if (ret)
		goto out;
	/* PC */
	ret = user_regset_copyout(&pos, &count, &kbuf, &ubuf,
				  &regs->ctx.CurrPC, 4*24, 4*25);
	if (ret)
		goto out;
	/* TXSTATUS */
	data = (unsigned long)regs->ctx.Flags;
	if (regs->ctx.SaveMask & TBICTX_CBUF_BIT)
		data |= USER_GP_REGS_STATUS_CATCH_BIT;
	ret = user_regset_copyout(&pos, &count, &kbuf, &ubuf,
				  &data, 4*25, 4*26);
	if (ret)
		goto out;
	/* TXRPT, TXBPOBITS, TXMODE */
	ret = user_regset_copyout(&pos, &count, &kbuf, &ubuf,
				  &regs->ctx.CurrRPT, 4*26, 4*29);
	if (ret)
		goto out;
	/* Padding */
	ret = user_regset_copyout_zero(&pos, &count, &kbuf, &ubuf,
				       4*29, 4*30);
out:
	return ret;
}

コード例 #7

ファイル: ptrace.c プロジェクト: 0x7f454c46/linux

static int gpr64_get(struct task_struct *target,
		     const struct user_regset *regset,
		     unsigned int pos, unsigned int count,
		     void *kbuf, void __user *ubuf)
{
	struct pt_regs *regs = task_pt_regs(target);
	u64 uregs[ELF_NGREG] = {};

	mips_dump_regs64(uregs, regs);
	return user_regset_copyout(&pos, &count, &kbuf, &ubuf, uregs, 0,
				   sizeof(uregs));
}

コード例 #8

ファイル: ptrace.c プロジェクト: uarka/linux-next

static int fpr_get(struct task_struct *target,
		   const struct user_regset *regset,
		   unsigned int pos, unsigned int count,
		   void *kbuf, void __user *ubuf)
{
	unsigned i;
	int err;
	u64 fpr_val;

	if (sizeof(target->thread.fpu.fpr[i]) == sizeof(elf_fpreg_t)) {
		err = user_regset_copyout(&pos, &count, &kbuf, &ubuf,
					  &target->thread.fpu.fpr,
					  0, NUM_FPU_REGS * sizeof(elf_fpreg_t));
		if (err)
			return err;
	} else {
		for (i = 0; i < NUM_FPU_REGS; i++) {
			fpr_val = get_fpr64(&target->thread.fpu.fpr[i], 0);
			err = user_regset_copyout(&pos, &count, &kbuf, &ubuf,
						  &fpr_val,
						  i * sizeof(elf_fpreg_t),
						  (i + 1) * sizeof(elf_fpreg_t));
			if (err)
				return err;
		}
	}

	err = user_regset_copyout(&pos, &count, &kbuf, &ubuf,
			   &target->thread.fpu.fcr31,
			   NUM_FPU_REGS * sizeof(elf_fpreg_t),
			   (NUM_FPU_REGS * sizeof(elf_fpreg_t)) + sizeof(u32));
	if (err)
		return err;

	/* Zero fill the remaining 4 bytes. */
	return user_regset_copyout_zero(&pos, &count, &kbuf, &ubuf,
			    (NUM_FPU_REGS * sizeof(elf_fpreg_t)) + sizeof(u32),
			    sizeof(elf_fpregset_t));
}

コード例 #9

ファイル: ptrace.c プロジェクト: 0xroot/Blackphone-BP1-Kernel

static int genregs_get(struct task_struct *target,
		   const struct user_regset *regset,
		   unsigned int pos, unsigned int count,
		   void *kbuf, void __user *ubuf)
{
	int ret;
	unsigned int dummy;
	struct pt_regs *regs = task_pt_regs(target);


	if (!regs)
		return -EIO;

	/* The general idea here is that the copyout must happen in
	 * exactly the same order in which the userspace expects these
	 * regs. Now, the sequence in userspace does not match the
	 * sequence in the kernel, so everything past the 32 gprs
	 * happens one at a time.
	 */
	ret = user_regset_copyout(&pos, &count, &kbuf, &ubuf,
				  &regs->r00, 0, 32*sizeof(unsigned long));

#define ONEXT(KPT_REG, USR_REG) \
	if (!ret) \
		ret = user_regset_copyout(&pos, &count, &kbuf, &ubuf, \
			KPT_REG, offsetof(struct user_regs_struct, USR_REG), \
			offsetof(struct user_regs_struct, USR_REG) + \
				 sizeof(unsigned long));

	/* Must be exactly same sequence as struct user_regs_struct */
	ONEXT(&regs->sa0, sa0);
	ONEXT(&regs->lc0, lc0);
	ONEXT(&regs->sa1, sa1);
	ONEXT(&regs->lc1, lc1);
	ONEXT(&regs->m0, m0);
	ONEXT(&regs->m1, m1);
	ONEXT(&regs->usr, usr);
	ONEXT(&regs->preds, p3_0);
	ONEXT(&regs->gp, gp);
	ONEXT(&regs->ugp, ugp);
	ONEXT(&pt_elr(regs), pc);
	dummy = pt_cause(regs);
	ONEXT(&dummy, cause);
	ONEXT(&pt_badva(regs), badva);

	/* Pad the rest with zeros, if needed */
	if (!ret)
		ret = user_regset_copyout_zero(&pos, &count, &kbuf, &ubuf,
					offsetof(struct user_regs_struct, pad1), -1);
	return ret;
}

コード例 #10

ファイル: ptrace.c プロジェクト: FireBurn/linux

static int gpr_get(struct task_struct *target,
		   const struct user_regset *regset,
		   unsigned int pos, unsigned int count,
		   void *kbuf, void __user *ubuf)
{
	struct pt_regs *regs;

	regs = task_pt_regs(target);

	/* Abiv1 regs->tls is fake and we need sync here. */
	regs->tls = task_thread_info(target)->tp_value;

	return user_regset_copyout(&pos, &count, &kbuf, &ubuf, regs, 0, -1);
}

コード例 #11

/*
 * retrieve the contents of MN10300 userspace general registers
 */
static int genregs_get(struct task_struct *target,
		       const struct user_regset *regset,
		       unsigned int pos, unsigned int count,
		       void *kbuf, void __user *ubuf)
{
	const struct pt_regs *regs = task_pt_regs(target);
	int ret;

	/* we need to skip regs->next */
	ret = user_regset_copyout(&pos, &count, &kbuf, &ubuf,
				  regs, 0, PT_ORIG_D0 * sizeof(long));
	if (ret < 0)
		return ret;

	ret = user_regset_copyout(&pos, &count, &kbuf, &ubuf,
				  &regs->orig_d0, PT_ORIG_D0 * sizeof(long),
				  NR_PTREGS * sizeof(long));
	if (ret < 0)
		return ret;

	return user_regset_copyout_zero(&pos, &count, &kbuf, &ubuf,
					NR_PTREGS * sizeof(long), -1);
}

コード例 #12

ファイル: ptrace.c プロジェクト: 0-T-0/ps4-linux

int metag_cb_regs_copyout(const struct pt_regs *regs,
			  unsigned int pos, unsigned int count,
			  void *kbuf, void __user *ubuf)
{
	int ret;

	/* TXCATCH{0-3} */
	if (regs->ctx.SaveMask & TBICTX_XCBF_BIT)
		ret = user_regset_copyout(&pos, &count, &kbuf, &ubuf,
					  regs->extcb0, 0, 4*4);
	else
		ret = user_regset_copyout_zero(&pos, &count, &kbuf, &ubuf,
					       0, 4*4);
	return ret;
}

コード例 #13

ファイル: ptrace.c プロジェクト: 0-T-0/ps4-linux

int metag_rp_state_copyout(const struct pt_regs *regs,
			   unsigned int pos, unsigned int count,
			   void *kbuf, void __user *ubuf)
{
	unsigned long mask;
	u64 *ptr;
	int ret, i;

	/* Empty read pipeline */
	if (!(regs->ctx.SaveMask & TBICTX_CBRP_BIT)) {
		ret = user_regset_copyout_zero(&pos, &count, &kbuf, &ubuf,
					       0, 4*13);
		goto out;
	}

	mask = (regs->ctx.CurrDIVTIME & TXDIVTIME_RPMASK_BITS) >>
		TXDIVTIME_RPMASK_S;

	/* Read pipeline entries */
	ptr = (void *)&regs->extcb0[1];
	for (i = 0; i < 6; ++i, ++ptr) {
		if (mask & (1 << i))
			ret = user_regset_copyout(&pos, &count, &kbuf, &ubuf,
						  ptr, 8*i, 8*(i + 1));
		else
			ret = user_regset_copyout_zero(&pos, &count, &kbuf,
						       &ubuf, 8*i, 8*(i + 1));
		if (ret)
			goto out;
	}
	/* Mask of entries */
	ret = user_regset_copyout(&pos, &count, &kbuf, &ubuf,
				  &mask, 4*12, 4*13);
out:
	return ret;
}

コード例 #14

ファイル: ptrace.c プロジェクト: FireBurn/linux

static int fpr_get(struct task_struct *target,
		   const struct user_regset *regset,
		   unsigned int pos, unsigned int count,
		   void *kbuf, void __user *ubuf)
{
	struct user_fp *regs = (struct user_fp *)&target->thread.user_fp;

#if defined(CONFIG_CPU_HAS_FPUV2) && !defined(CONFIG_CPU_HAS_VDSP)
	int i;
	struct user_fp tmp = *regs;

	for (i = 0; i < 16; i++) {
		tmp.vr[i*4] = regs->vr[i*2];
		tmp.vr[i*4 + 1] = regs->vr[i*2 + 1];
	}

	for (i = 0; i < 32; i++)
		tmp.vr[64 + i] = regs->vr[32 + i];

	return user_regset_copyout(&pos, &count, &kbuf, &ubuf, &tmp, 0, -1);
#else
	return user_regset_copyout(&pos, &count, &kbuf, &ubuf, regs, 0, -1);
#endif
}

コード例 #15

ファイル: ptrace.c プロジェクト: 0-T-0/ps4-linux

static int regs_get(struct task_struct *target,
		    const struct user_regset *regset,
		    unsigned int pos, unsigned int count,
		    void *kbuf, void __user *ubuf)
{
	int r;
	struct user_regs_struct regs;
	long *reg = (long *)&regs;

	/* build user regs in buffer */
	for (r = 0; r < ARRAY_SIZE(register_offset); r++)
		*reg++ = h8300_get_reg(target, r);

	return user_regset_copyout(&pos, &count, &kbuf, &ubuf,
				   &regs, 0, sizeof(regs));
}

コード例 #16

ファイル: ptrace.c プロジェクト: 01org/thunderbolt-software-kernel-tree

static int regs_get(struct task_struct *target,
		    const struct user_regset *regset,
		    unsigned int pos, unsigned int count,
		    void *kbuf, void __user *ubuf)
{
	int r;
	struct user_regs_struct regs;
	long *reg = (long *)&regs;

	/* build user regs in buffer */
	BUILD_BUG_ON(sizeof(regs) % sizeof(long) != 0);
	for (r = 0; r < sizeof(regs) / sizeof(long); r++)
		*reg++ = h8300_get_reg(target, r);

	return user_regset_copyout(&pos, &count, &kbuf, &ubuf,
				   &regs, 0, sizeof(regs));
}

コード例 #17

/*
 * retrieve the contents of MN10300 userspace FPU registers
 */
static int fpuregs_get(struct task_struct *target,
		       const struct user_regset *regset,
		       unsigned int pos, unsigned int count,
		       void *kbuf, void __user *ubuf)
{
	const struct fpu_state_struct *fpregs = &target->thread.fpu_state;
	int ret;

	unlazy_fpu(target);

	ret = user_regset_copyout(&pos, &count, &kbuf, &ubuf,
				  fpregs, 0, sizeof(*fpregs));
	if (ret < 0)
		return ret;

	return user_regset_copyout_zero(&pos, &count, &kbuf, &ubuf,
					sizeof(*fpregs), -1);
}

コード例 #18

ファイル: ptrace.c プロジェクト: 12019/android_kernel_samsung_xcover

/*
 * retrieve the contents of Blackfin userspace general registers
 */
static int genregs_get(struct task_struct *target,
		       const struct user_regset *regset,
		       unsigned int pos, unsigned int count,
		       void *kbuf, void __user *ubuf)
{
	struct pt_regs *regs = task_pt_regs(target);
	int ret;

	/* This sucks ... */
	regs->usp = target->thread.usp;

	ret = user_regset_copyout(&pos, &count, &kbuf, &ubuf,
				  regs, 0, sizeof(*regs));
	if (ret < 0)
		return ret;

	return user_regset_copyout_zero(&pos, &count, &kbuf, &ubuf,
					sizeof(*regs), -1);
}

コード例 #19

ファイル: ptrace.c プロジェクト: 0x7f454c46/linux

/*
 * Copy the floating-point context to the supplied NT_PRFPREG buffer,
 * CONFIG_CPU_HAS_MSA variant.  Only lower 64 bits of FP context's
 * general register slots are copied to buffer slots.  Only general
 * registers are copied.
 */
static int fpr_get_msa(struct task_struct *target,
		       unsigned int *pos, unsigned int *count,
		       void **kbuf, void __user **ubuf)
{
	unsigned int i;
	u64 fpr_val;
	int err;

	BUILD_BUG_ON(sizeof(fpr_val) != sizeof(elf_fpreg_t));
	for (i = 0; i < NUM_FPU_REGS; i++) {
		fpr_val = get_fpr64(&target->thread.fpu.fpr[i], 0);
		err = user_regset_copyout(pos, count, kbuf, ubuf,
					  &fpr_val, i * sizeof(elf_fpreg_t),
					  (i + 1) * sizeof(elf_fpreg_t));
		if (err)
			return err;
	}

	return 0;
}

コード例 #20

ファイル: ptrace.c プロジェクト: akatrevorjay/linux

/*
 * Copy the floating-point context to the supplied NT_PRFPREG buffer.
 * Choose the appropriate helper for general registers, and then copy
 * the FCSR register separately.
 */
static int fpr_get(struct task_struct *target,
		   const struct user_regset *regset,
		   unsigned int pos, unsigned int count,
		   void *kbuf, void __user *ubuf)
{
	const int fcr31_pos = NUM_FPU_REGS * sizeof(elf_fpreg_t);
	int err;

	if (sizeof(target->thread.fpu.fpr[0]) == sizeof(elf_fpreg_t))
		err = fpr_get_fpa(target, &pos, &count, &kbuf, &ubuf);
	else
		err = fpr_get_msa(target, &pos, &count, &kbuf, &ubuf);
	if (err)
		return err;

	err = user_regset_copyout(&pos, &count, &kbuf, &ubuf,
				  &target->thread.fpu.fcr31,
				  fcr31_pos, fcr31_pos + sizeof(u32));

	return err;
}