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powerpc/ptrace: split out TRANSACTIONAL_MEM related functions.
Move TRANSACTIONAL_MEM functions out of ptrace.c, into ptrace-tm.c Signed-off-by: Christophe Leroy <[email protected]> Signed-off-by: Michael Ellerman <[email protected]> Link: https://lore.kernel.org/r/2d0ef3bb2610c0344bd42252c7134f429818c000.1582848567.git.christophe.leroy@c-s.fr
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‎arch/powerpc/kernel/ptrace/Makefile

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@@ -13,3 +13,4 @@ obj-y += ptrace-novsx.o
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endif
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obj-$(CONFIG_ALTIVEC) += ptrace-altivec.o
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obj-$(CONFIG_SPE) += ptrace-spe.o
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obj-$(CONFIG_PPC_TRANSACTIONAL_MEM) += ptrace-tm.o

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

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@@ -1,5 +1,27 @@
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/* SPDX-License-Identifier: GPL-2.0-or-later */
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/*
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* Set of msr bits that gdb can change on behalf of a process.
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*/
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#ifdef CONFIG_PPC_ADV_DEBUG_REGS
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#define MSR_DEBUGCHANGE 0
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#else
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#define MSR_DEBUGCHANGE (MSR_SE | MSR_BE)
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#endif
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/*
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* Max register writeable via put_reg
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*/
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#ifdef CONFIG_PPC32
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#define PT_MAX_PUT_REG PT_MQ
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#else
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#define PT_MAX_PUT_REG PT_CCR
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#endif
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#define TVSO(f) (offsetof(struct thread_vr_state, f))
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#define TFSO(f) (offsetof(struct thread_fp_state, f))
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#define TSO(f) (offsetof(struct thread_struct, f))
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/* ptrace-(no)vsx */
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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,
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/* ptrace */
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int gpr32_get_common(struct task_struct *target,
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const struct user_regset *regset,
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unsigned int pos, unsigned int count,
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void *kbuf, void __user *ubuf,
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unsigned long *regs);
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int gpr32_set_common(struct task_struct *target,
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const struct user_regset *regset,
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unsigned int pos, unsigned int count,
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const void *kbuf, const void __user *ubuf,
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unsigned long *regs);
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/* ptrace-tm */
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#ifdef CONFIG_PPC_TRANSACTIONAL_MEM
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void flush_tmregs_to_thread(struct task_struct *tsk);
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#else
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static inline void flush_tmregs_to_thread(struct task_struct *tsk) { }
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#endif
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int tm_cgpr_active(struct task_struct *target, const struct user_regset *regset);
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int tm_cgpr_get(struct task_struct *target, const struct user_regset *regset,
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unsigned int pos, unsigned int count, void *kbuf, void __user *ubuf);
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int tm_cgpr_set(struct task_struct *target, const struct user_regset *regset,
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unsigned int pos, unsigned int count,
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const void *kbuf, const void __user *ubuf);
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int tm_cfpr_active(struct task_struct *target, const struct user_regset *regset);
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int tm_cfpr_get(struct task_struct *target, const struct user_regset *regset,
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unsigned int pos, unsigned int count, void *kbuf, void __user *ubuf);
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int tm_cfpr_set(struct task_struct *target, const struct user_regset *regset,
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unsigned int pos, unsigned int count,
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const void *kbuf, const void __user *ubuf);
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int tm_cvmx_active(struct task_struct *target, const struct user_regset *regset);
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int tm_cvmx_get(struct task_struct *target, const struct user_regset *regset,
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unsigned int pos, unsigned int count, void *kbuf, void __user *ubuf);
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int tm_cvmx_set(struct task_struct *target, const struct user_regset *regset,
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unsigned int pos, unsigned int count,
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const void *kbuf, const void __user *ubuf);
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int tm_cvsx_active(struct task_struct *target, const struct user_regset *regset);
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int tm_cvsx_get(struct task_struct *target, const struct user_regset *regset,
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unsigned int pos, unsigned int count, void *kbuf, void __user *ubuf);
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int tm_cvsx_set(struct task_struct *target, const struct user_regset *regset,
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unsigned int pos, unsigned int count,
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const void *kbuf, const void __user *ubuf);
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int tm_spr_active(struct task_struct *target, const struct user_regset *regset);
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int tm_spr_get(struct task_struct *target, const struct user_regset *regset,
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unsigned int pos, unsigned int count, void *kbuf, void __user *ubuf);
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int tm_spr_set(struct task_struct *target, const struct user_regset *regset,
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unsigned int pos, unsigned int count,
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const void *kbuf, const void __user *ubuf);
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int tm_tar_active(struct task_struct *target, const struct user_regset *regset);
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int tm_tar_get(struct task_struct *target, const struct user_regset *regset,
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unsigned int pos, unsigned int count, void *kbuf, void __user *ubuf);
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int tm_tar_set(struct task_struct *target, const struct user_regset *regset,
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unsigned int pos, unsigned int count,
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const void *kbuf, const void __user *ubuf);
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int tm_ppr_active(struct task_struct *target, const struct user_regset *regset);
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int tm_ppr_get(struct task_struct *target, const struct user_regset *regset,
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unsigned int pos, unsigned int count, void *kbuf, void __user *ubuf);
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int tm_ppr_set(struct task_struct *target, const struct user_regset *regset,
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unsigned int pos, unsigned int count,
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const void *kbuf, const void __user *ubuf);
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int tm_dscr_active(struct task_struct *target, const struct user_regset *regset);
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int tm_dscr_get(struct task_struct *target, const struct user_regset *regset,
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unsigned int pos, unsigned int count, void *kbuf, void __user *ubuf);
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int tm_dscr_set(struct task_struct *target, const struct user_regset *regset,
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unsigned int pos, unsigned int count,
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const void *kbuf, const void __user *ubuf);
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int tm_cgpr32_get(struct task_struct *target, const struct user_regset *regset,
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unsigned int pos, unsigned int count, void *kbuf, void __user *ubuf);
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int tm_cgpr32_set(struct task_struct *target, const struct user_regset *regset,
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unsigned int pos, unsigned int count,
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const void *kbuf, const void __user *ubuf);

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