ptrace-decl.h (6479B)
1/* SPDX-License-Identifier: GPL-2.0-or-later */ 2 3/* 4 * Set of msr bits that gdb can change on behalf of a process. 5 */ 6#ifdef CONFIG_PPC_ADV_DEBUG_REGS 7#define MSR_DEBUGCHANGE 0 8#else 9#define MSR_DEBUGCHANGE (MSR_SE | MSR_BE) 10#endif 11 12/* 13 * Max register writeable via put_reg 14 */ 15#ifdef CONFIG_PPC32 16#define PT_MAX_PUT_REG PT_MQ 17#else 18#define PT_MAX_PUT_REG PT_CCR 19#endif 20 21#define TVSO(f) (offsetof(struct thread_vr_state, f)) 22#define TFSO(f) (offsetof(struct thread_fp_state, f)) 23#define TSO(f) (offsetof(struct thread_struct, f)) 24 25/* 26 * These are our native regset flavors. 27 */ 28enum powerpc_regset { 29 REGSET_GPR, 30 REGSET_FPR, 31#ifdef CONFIG_ALTIVEC 32 REGSET_VMX, 33#endif 34#ifdef CONFIG_VSX 35 REGSET_VSX, 36#endif 37#ifdef CONFIG_SPE 38 REGSET_SPE, 39#endif 40#ifdef CONFIG_PPC_TRANSACTIONAL_MEM 41 REGSET_TM_CGPR, /* TM checkpointed GPR registers */ 42 REGSET_TM_CFPR, /* TM checkpointed FPR registers */ 43 REGSET_TM_CVMX, /* TM checkpointed VMX registers */ 44 REGSET_TM_CVSX, /* TM checkpointed VSX registers */ 45 REGSET_TM_SPR, /* TM specific SPR registers */ 46 REGSET_TM_CTAR, /* TM checkpointed TAR register */ 47 REGSET_TM_CPPR, /* TM checkpointed PPR register */ 48 REGSET_TM_CDSCR, /* TM checkpointed DSCR register */ 49#endif 50#ifdef CONFIG_PPC64 51 REGSET_PPR, /* PPR register */ 52 REGSET_DSCR, /* DSCR register */ 53#endif 54#ifdef CONFIG_PPC_BOOK3S_64 55 REGSET_TAR, /* TAR register */ 56 REGSET_EBB, /* EBB registers */ 57 REGSET_PMR, /* Performance Monitor Registers */ 58#endif 59#ifdef CONFIG_PPC_MEM_KEYS 60 REGSET_PKEY, /* AMR register */ 61#endif 62}; 63 64/* ptrace-(no)vsx */ 65 66user_regset_get2_fn fpr_get; 67int fpr_set(struct task_struct *target, const struct user_regset *regset, 68 unsigned int pos, unsigned int count, 69 const void *kbuf, const void __user *ubuf); 70 71/* ptrace-vsx */ 72 73int vsr_active(struct task_struct *target, const struct user_regset *regset); 74user_regset_get2_fn vsr_get; 75int vsr_set(struct task_struct *target, const struct user_regset *regset, 76 unsigned int pos, unsigned int count, 77 const void *kbuf, const void __user *ubuf); 78 79/* ptrace-altivec */ 80 81int vr_active(struct task_struct *target, const struct user_regset *regset); 82user_regset_get2_fn vr_get; 83int vr_set(struct task_struct *target, const struct user_regset *regset, 84 unsigned int pos, unsigned int count, 85 const void *kbuf, const void __user *ubuf); 86 87/* ptrace-spe */ 88 89int evr_active(struct task_struct *target, const struct user_regset *regset); 90user_regset_get2_fn evr_get; 91int evr_set(struct task_struct *target, const struct user_regset *regset, 92 unsigned int pos, unsigned int count, 93 const void *kbuf, const void __user *ubuf); 94 95/* ptrace */ 96 97int gpr32_get_common(struct task_struct *target, 98 const struct user_regset *regset, 99 struct membuf to, 100 unsigned long *regs); 101int gpr32_set_common(struct task_struct *target, 102 const struct user_regset *regset, 103 unsigned int pos, unsigned int count, 104 const void *kbuf, const void __user *ubuf, 105 unsigned long *regs); 106 107/* ptrace-tm */ 108 109#ifdef CONFIG_PPC_TRANSACTIONAL_MEM 110void flush_tmregs_to_thread(struct task_struct *tsk); 111#else 112static inline void flush_tmregs_to_thread(struct task_struct *tsk) { } 113#endif 114 115int tm_cgpr_active(struct task_struct *target, const struct user_regset *regset); 116user_regset_get2_fn tm_cgpr_get; 117int tm_cgpr_set(struct task_struct *target, const struct user_regset *regset, 118 unsigned int pos, unsigned int count, 119 const void *kbuf, const void __user *ubuf); 120int tm_cfpr_active(struct task_struct *target, const struct user_regset *regset); 121user_regset_get2_fn tm_cfpr_get; 122int tm_cfpr_set(struct task_struct *target, const struct user_regset *regset, 123 unsigned int pos, unsigned int count, 124 const void *kbuf, const void __user *ubuf); 125int tm_cvmx_active(struct task_struct *target, const struct user_regset *regset); 126user_regset_get2_fn tm_cvmx_get; 127int tm_cvmx_set(struct task_struct *target, const struct user_regset *regset, 128 unsigned int pos, unsigned int count, 129 const void *kbuf, const void __user *ubuf); 130int tm_cvsx_active(struct task_struct *target, const struct user_regset *regset); 131user_regset_get2_fn tm_cvsx_get; 132int tm_cvsx_set(struct task_struct *target, const struct user_regset *regset, 133 unsigned int pos, unsigned int count, 134 const void *kbuf, const void __user *ubuf); 135int tm_spr_active(struct task_struct *target, const struct user_regset *regset); 136user_regset_get2_fn tm_spr_get; 137int tm_spr_set(struct task_struct *target, const struct user_regset *regset, 138 unsigned int pos, unsigned int count, 139 const void *kbuf, const void __user *ubuf); 140int tm_tar_active(struct task_struct *target, const struct user_regset *regset); 141user_regset_get2_fn tm_tar_get; 142int tm_tar_set(struct task_struct *target, const struct user_regset *regset, 143 unsigned int pos, unsigned int count, 144 const void *kbuf, const void __user *ubuf); 145int tm_ppr_active(struct task_struct *target, const struct user_regset *regset); 146user_regset_get2_fn tm_ppr_get; 147int tm_ppr_set(struct task_struct *target, const struct user_regset *regset, 148 unsigned int pos, unsigned int count, 149 const void *kbuf, const void __user *ubuf); 150int tm_dscr_active(struct task_struct *target, const struct user_regset *regset); 151user_regset_get2_fn tm_dscr_get; 152int tm_dscr_set(struct task_struct *target, const struct user_regset *regset, 153 unsigned int pos, unsigned int count, 154 const void *kbuf, const void __user *ubuf); 155user_regset_get2_fn tm_cgpr32_get; 156int tm_cgpr32_set(struct task_struct *target, const struct user_regset *regset, 157 unsigned int pos, unsigned int count, 158 const void *kbuf, const void __user *ubuf); 159 160/* ptrace-view */ 161 162int ptrace_get_reg(struct task_struct *task, int regno, unsigned long *data); 163int ptrace_put_reg(struct task_struct *task, int regno, unsigned long data); 164 165extern const struct user_regset_view user_ppc_native_view; 166 167/* ptrace-fpu */ 168int ptrace_get_fpr(struct task_struct *child, int index, unsigned long *data); 169int ptrace_put_fpr(struct task_struct *child, int index, unsigned long data); 170 171/* ptrace-(no)adv */ 172void ppc_gethwdinfo(struct ppc_debug_info *dbginfo); 173int ptrace_get_debugreg(struct task_struct *child, unsigned long addr, 174 unsigned long __user *datalp); 175int ptrace_set_debugreg(struct task_struct *task, unsigned long addr, unsigned long data); 176long ppc_set_hwdebug(struct task_struct *child, struct ppc_hw_breakpoint *bp_info); 177long ppc_del_hwdebug(struct task_struct *child, long data);