diff options
Diffstat (limited to 'arch/powerpc/kernel/ptrace/ptrace-decl.h')
| -rw-r--r-- | arch/powerpc/kernel/ptrace/ptrace-decl.h | 170 |
1 files changed, 170 insertions, 0 deletions
diff --git a/arch/powerpc/kernel/ptrace/ptrace-decl.h b/arch/powerpc/kernel/ptrace/ptrace-decl.h new file mode 100644 index 000000000..67447a619 --- /dev/null +++ b/arch/powerpc/kernel/ptrace/ptrace-decl.h @@ -0,0 +1,170 @@ +/* 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)) + +/* + * 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 */ + +user_regset_get2_fn fpr_get; +int fpr_set(struct task_struct *target, const struct user_regset *regset, + unsigned int pos, unsigned int count, + const void *kbuf, const void __user *ubuf); + +/* ptrace-vsx */ + +int vsr_active(struct task_struct *target, const struct user_regset *regset); +user_regset_get2_fn vsr_get; +int vsr_set(struct task_struct *target, const struct user_regset *regset, + unsigned int pos, unsigned int count, + const void *kbuf, const void __user *ubuf); + +/* ptrace-altivec */ + +int vr_active(struct task_struct *target, const struct user_regset *regset); +user_regset_get2_fn vr_get; +int vr_set(struct task_struct *target, const struct user_regset *regset, + unsigned int pos, unsigned int count, + const void *kbuf, const void __user *ubuf); + +/* ptrace-spe */ + +int evr_active(struct task_struct *target, const struct user_regset *regset); +user_regset_get2_fn evr_get; +int evr_set(struct task_struct *target, const struct user_regset *regset, + unsigned int pos, unsigned int count, + const void *kbuf, const void __user *ubuf); + +/* ptrace */ + +int gpr32_get_common(struct task_struct *target, + const struct user_regset *regset, + struct membuf to, + 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); +user_regset_get2_fn tm_cgpr_get; +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); +user_regset_get2_fn tm_cfpr_get; +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); +user_regset_get2_fn tm_cvmx_get; +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); +user_regset_get2_fn tm_cvsx_get; +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); +user_regset_get2_fn tm_spr_get; +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); +user_regset_get2_fn tm_tar_get; +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); +user_regset_get2_fn tm_ppr_get; +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); +user_regset_get2_fn tm_dscr_get; +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); +user_regset_get2_fn tm_cgpr32_get; +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; + +/* ptrace-(no)adv */ +void ppc_gethwdinfo(struct ppc_debug_info *dbginfo); +int ptrace_get_debugreg(struct task_struct *child, unsigned long addr, + unsigned long __user *datalp); +int ptrace_set_debugreg(struct task_struct *task, unsigned long addr, unsigned long data); +long ppc_set_hwdebug(struct task_struct *child, struct ppc_hw_breakpoint *bp_info); +long ppc_del_hwdebug(struct task_struct *child, long data); |