Commit 6e0b7975 authored by Christophe Leroy's avatar Christophe Leroy Committed by Michael Ellerman
Browse files

powerpc/ptrace: move register viewing functions out of ptrace.c 



Create a dedicated ptrace-view.c file.

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/bfd8c3ed57c9057e4a5d3816737b5ee98c6f7e43.1582848567.git.christophe.leroy@c-s.fr
parent 7c1f8db0

arch/powerpc/kernel/ptrace/Makefile

+2 −2
Original line number Diff line number Diff line
@@ -3,9 +3,9 @@ 
# Makefile for the linux kernel.

#



CFLAGS_ptrace.o		+= -DUTS_MACHINE='"$(UTS_MACHINE)"'

CFLAGS_ptrace-view.o		+= -DUTS_MACHINE='"$(UTS_MACHINE)"'



obj-y				+= ptrace.o

obj-y				+= ptrace.o ptrace-view.o

obj-$(CONFIG_PPC64)		+= ptrace32.o

obj-$(CONFIG_VSX)		+= ptrace-vsx.o

ifneq ($(CONFIG_VSX),y)

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

+43 −0
Original line number Diff line number Diff line
@@ -22,6 +22,45 @@ 
#define TFSO(f)	(offsetof(struct thread_fp_state, f))

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



/*

 * These are our native regset flavors.

 */

enum powerpc_regset {

	REGSET_GPR,

	REGSET_FPR,

#ifdef CONFIG_ALTIVEC

	REGSET_VMX,

#endif

#ifdef CONFIG_VSX

	REGSET_VSX,

#endif

#ifdef CONFIG_SPE

	REGSET_SPE,

#endif

#ifdef CONFIG_PPC_TRANSACTIONAL_MEM

	REGSET_TM_CGPR,		/* TM checkpointed GPR registers */

	REGSET_TM_CFPR,		/* TM checkpointed FPR registers */

	REGSET_TM_CVMX,		/* TM checkpointed VMX registers */

	REGSET_TM_CVSX,		/* TM checkpointed VSX registers */

	REGSET_TM_SPR,		/* TM specific SPR registers */

	REGSET_TM_CTAR,		/* TM checkpointed TAR register */

	REGSET_TM_CPPR,		/* TM checkpointed PPR register */

	REGSET_TM_CDSCR,	/* TM checkpointed DSCR register */

#endif

#ifdef CONFIG_PPC64

	REGSET_PPR,		/* PPR register */

	REGSET_DSCR,		/* DSCR register */

#endif

#ifdef CONFIG_PPC_BOOK3S_64

	REGSET_TAR,		/* TAR register */

	REGSET_EBB,		/* EBB registers */

	REGSET_PMR,		/* Performance Monitor Registers */

#endif

#ifdef CONFIG_PPC_MEM_KEYS

	REGSET_PKEY,		/* AMR register */

#endif

};



/* ptrace-(no)vsx */



int fpr_get(struct task_struct *target, const struct user_regset *regset,
@@ -131,3 +170,7 @@ int tm_cgpr32_get(struct task_struct *target, const struct user_regset *regset, 
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);



/* ptrace-view */



extern const struct user_regset_view user_ppc_native_view;

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

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arch/powerpc/kernel/ptrace/ptrace.c

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