Commit 7c1f8db0 authored by Christophe Leroy's avatar Christophe Leroy Committed by Michael Ellerman
Browse files

powerpc/ptrace: split out TRANSACTIONAL_MEM related functions. 



Move TRANSACTIONAL_MEM functions out of ptrace.c, into
ptrace-tm.c

Signed-off-by: default avatarChristophe Leroy <christophe.leroy@c-s.fr>
Signed-off-by: default avatarMichael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/2d0ef3bb2610c0344bd42252c7134f429818c000.1582848567.git.christophe.leroy@c-s.fr
parent 60ef9dbd

arch/powerpc/kernel/ptrace/Makefile

+1 −0
Original line number Diff line number Diff line
@@ -13,3 +13,4 @@ obj-y += ptrace-novsx.o 
endif

obj-$(CONFIG_ALTIVEC)		+= ptrace-altivec.o

obj-$(CONFIG_SPE)		+= ptrace-spe.o

obj-$(CONFIG_PPC_TRANSACTIONAL_MEM)	+= ptrace-tm.o

arch/powerpc/kernel/ptrace/ptrace-decl.h

+89 −0
Original line number Diff line number Diff line 
/* SPDX-License-Identifier: GPL-2.0-or-later */



/*

 * Set of msr bits that gdb can change on behalf of a process.

 */

#ifdef CONFIG_PPC_ADV_DEBUG_REGS

#define MSR_DEBUGCHANGE	0

#else

#define MSR_DEBUGCHANGE	(MSR_SE | MSR_BE)

#endif



/*

 * Max register writeable via put_reg

 */

#ifdef CONFIG_PPC32

#define PT_MAX_PUT_REG	PT_MQ

#else

#define PT_MAX_PUT_REG	PT_CCR

#endif



#define TVSO(f)	(offsetof(struct thread_vr_state, f))

#define TFSO(f)	(offsetof(struct thread_fp_state, f))

#define TSO(f)	(offsetof(struct thread_struct, f))



/* ptrace-(no)vsx */



int fpr_get(struct task_struct *target, const struct user_regset *regset,
@@ -37,8 +59,75 @@ int evr_set(struct task_struct *target, const struct user_regset *regset, 


/* ptrace */



int gpr32_get_common(struct task_struct *target,

		     const struct user_regset *regset,

		     unsigned int pos, unsigned int count,

			    void *kbuf, void __user *ubuf,

			    unsigned long *regs);

int gpr32_set_common(struct task_struct *target,

		     const struct user_regset *regset,

		     unsigned int pos, unsigned int count,

		     const void *kbuf, const void __user *ubuf,

		     unsigned long *regs);



/* ptrace-tm */



#ifdef CONFIG_PPC_TRANSACTIONAL_MEM

void flush_tmregs_to_thread(struct task_struct *tsk);

#else

static inline void flush_tmregs_to_thread(struct task_struct *tsk) { }

#endif



int tm_cgpr_active(struct task_struct *target, const struct user_regset *regset);

int tm_cgpr_get(struct task_struct *target, const struct user_regset *regset,

		unsigned int pos, unsigned int count, void *kbuf, void __user *ubuf);

int tm_cgpr_set(struct task_struct *target, const struct user_regset *regset,

		unsigned int pos, unsigned int count,

		const void *kbuf, const void __user *ubuf);

int tm_cfpr_active(struct task_struct *target, const struct user_regset *regset);

int tm_cfpr_get(struct task_struct *target, const struct user_regset *regset,

		unsigned int pos, unsigned int count, void *kbuf, void __user *ubuf);

int tm_cfpr_set(struct task_struct *target, const struct user_regset *regset,

		unsigned int pos, unsigned int count,

		const void *kbuf, const void __user *ubuf);

int tm_cvmx_active(struct task_struct *target, const struct user_regset *regset);

int tm_cvmx_get(struct task_struct *target, const struct user_regset *regset,

		unsigned int pos, unsigned int count, void *kbuf, void __user *ubuf);

int tm_cvmx_set(struct task_struct *target, const struct user_regset *regset,

		unsigned int pos, unsigned int count,

		const void *kbuf, const void __user *ubuf);

int tm_cvsx_active(struct task_struct *target, const struct user_regset *regset);

int tm_cvsx_get(struct task_struct *target, const struct user_regset *regset,

		unsigned int pos, unsigned int count, void *kbuf, void __user *ubuf);

int tm_cvsx_set(struct task_struct *target, const struct user_regset *regset,

		unsigned int pos, unsigned int count,

		const void *kbuf, const void __user *ubuf);

int tm_spr_active(struct task_struct *target, const struct user_regset *regset);

int tm_spr_get(struct task_struct *target, const struct user_regset *regset,

	       unsigned int pos, unsigned int count, void *kbuf, void __user *ubuf);

int tm_spr_set(struct task_struct *target, const struct user_regset *regset,

	       unsigned int pos, unsigned int count,

	       const void *kbuf, const void __user *ubuf);

int tm_tar_active(struct task_struct *target, const struct user_regset *regset);

int tm_tar_get(struct task_struct *target, const struct user_regset *regset,

	       unsigned int pos, unsigned int count, void *kbuf, void __user *ubuf);

int tm_tar_set(struct task_struct *target, const struct user_regset *regset,

	       unsigned int pos, unsigned int count,

	       const void *kbuf, const void __user *ubuf);

int tm_ppr_active(struct task_struct *target, const struct user_regset *regset);

int tm_ppr_get(struct task_struct *target, const struct user_regset *regset,

	       unsigned int pos, unsigned int count, void *kbuf, void __user *ubuf);

int tm_ppr_set(struct task_struct *target, const struct user_regset *regset,

	       unsigned int pos, unsigned int count,

	       const void *kbuf, const void __user *ubuf);

int tm_dscr_active(struct task_struct *target, const struct user_regset *regset);

int tm_dscr_get(struct task_struct *target, const struct user_regset *regset,

		unsigned int pos, unsigned int count, void *kbuf, void __user *ubuf);

int tm_dscr_set(struct task_struct *target, const struct user_regset *regset,

		unsigned int pos, unsigned int count,

		const void *kbuf, const void __user *ubuf);

int tm_cgpr32_get(struct task_struct *target, const struct user_regset *regset,

		  unsigned int pos, unsigned int count, void *kbuf, void __user *ubuf);

int tm_cgpr32_set(struct task_struct *target, const struct user_regset *regset,

		  unsigned int pos, unsigned int count,

		  const void *kbuf, const void __user *ubuf);

arch/powerpc/kernel/ptrace/ptrace-tm.c

0 → 100644
+851 −0

File added.

Preview size limit exceeded, changes collapsed.

arch/powerpc/kernel/ptrace/ptrace.c

+2 −914

File changed.

Preview size limit exceeded, changes collapsed.