diff options
| author | Paul Mackerras <paulus@samba.org> | 2005-11-19 04:47:22 -0500 |
|---|---|---|
| committer | Paul Mackerras <paulus@samba.org> | 2005-11-19 04:47:22 -0500 |
| commit | 21a6290220679d94912a068c75db2c5cd9c6552a (patch) | |
| tree | 551ad146a6afa931aa4233405bae320ec61f25e5 /include | |
| parent | f8ef2705969e0409efedeb889445da67806ba9ea (diff) | |
powerpc: move include/asm-ppc64/ptrace-common.h to arch/powerpc/kernel
It's only used by arch/powerpc/kernel/ptrace{,32}.c.
Signed-off-by: Paul Mackerras <paulus@samba.org>
Diffstat (limited to 'include')
| -rw-r--r-- | include/asm-ppc64/ptrace-common.h | 164 |
1 files changed, 0 insertions, 164 deletions
diff --git a/include/asm-ppc64/ptrace-common.h b/include/asm-ppc64/ptrace-common.h deleted file mode 100644 index b1babb729673..000000000000 --- a/include/asm-ppc64/ptrace-common.h +++ /dev/null | |||
| @@ -1,164 +0,0 @@ | |||
| 1 | /* | ||
| 2 | * linux/arch/ppc64/kernel/ptrace-common.h | ||
| 3 | * | ||
| 4 | * Copyright (c) 2002 Stephen Rothwell, IBM Coproration | ||
| 5 | * Extracted from ptrace.c and ptrace32.c | ||
| 6 | * | ||
| 7 | * This file is subject to the terms and conditions of the GNU General | ||
| 8 | * Public License. See the file README.legal in the main directory of | ||
| 9 | * this archive for more details. | ||
| 10 | */ | ||
| 11 | |||
| 12 | #ifndef _PPC64_PTRACE_COMMON_H | ||
| 13 | #define _PPC64_PTRACE_COMMON_H | ||
| 14 | |||
| 15 | #include <linux/config.h> | ||
| 16 | #include <asm/system.h> | ||
| 17 | |||
| 18 | /* | ||
| 19 | * Set of msr bits that gdb can change on behalf of a process. | ||
| 20 | */ | ||
| 21 | #define MSR_DEBUGCHANGE (MSR_FE0 | MSR_SE | MSR_BE | MSR_FE1) | ||
| 22 | |||
| 23 | /* | ||
| 24 | * Get contents of register REGNO in task TASK. | ||
| 25 | */ | ||
| 26 | static inline unsigned long get_reg(struct task_struct *task, int regno) | ||
| 27 | { | ||
| 28 | unsigned long tmp = 0; | ||
| 29 | |||
| 30 | /* | ||
| 31 | * Put the correct FP bits in, they might be wrong as a result | ||
| 32 | * of our lazy FP restore. | ||
| 33 | */ | ||
| 34 | if (regno == PT_MSR) { | ||
| 35 | tmp = ((unsigned long *)task->thread.regs)[PT_MSR]; | ||
| 36 | tmp |= task->thread.fpexc_mode; | ||
| 37 | } else if (regno < (sizeof(struct pt_regs) / sizeof(unsigned long))) { | ||
| 38 | tmp = ((unsigned long *)task->thread.regs)[regno]; | ||
| 39 | } | ||
| 40 | |||
| 41 | return tmp; | ||
| 42 | } | ||
| 43 | |||
| 44 | /* | ||
| 45 | * Write contents of register REGNO in task TASK. | ||
| 46 | */ | ||
| 47 | static inline int put_reg(struct task_struct *task, int regno, | ||
| 48 | unsigned long data) | ||
| 49 | { | ||
| 50 | if (regno < PT_SOFTE) { | ||
| 51 | if (regno == PT_MSR) | ||
| 52 | data = (data & MSR_DEBUGCHANGE) | ||
| 53 | | (task->thread.regs->msr & ~MSR_DEBUGCHANGE); | ||
| 54 | ((unsigned long *)task->thread.regs)[regno] = data; | ||
| 55 | return 0; | ||
| 56 | } | ||
| 57 | return -EIO; | ||
| 58 | } | ||
| 59 | |||
| 60 | static inline void set_single_step(struct task_struct *task) | ||
| 61 | { | ||
| 62 | struct pt_regs *regs = task->thread.regs; | ||
| 63 | if (regs != NULL) | ||
| 64 | regs->msr |= MSR_SE; | ||
| 65 | set_ti_thread_flag(task->thread_info, TIF_SINGLESTEP); | ||
| 66 | } | ||
| 67 | |||
| 68 | static inline void clear_single_step(struct task_struct *task) | ||
| 69 | { | ||
| 70 | struct pt_regs *regs = task->thread.regs; | ||
| 71 | if (regs != NULL) | ||
| 72 | regs->msr &= ~MSR_SE; | ||
| 73 | clear_ti_thread_flag(task->thread_info, TIF_SINGLESTEP); | ||
| 74 | } | ||
| 75 | |||
| 76 | #ifdef CONFIG_ALTIVEC | ||
| 77 | /* | ||
| 78 | * Get/set all the altivec registers vr0..vr31, vscr, vrsave, in one go. | ||
| 79 | * The transfer totals 34 quadword. Quadwords 0-31 contain the | ||
| 80 | * corresponding vector registers. Quadword 32 contains the vscr as the | ||
| 81 | * last word (offset 12) within that quadword. Quadword 33 contains the | ||
| 82 | * vrsave as the first word (offset 0) within the quadword. | ||
| 83 | * | ||
| 84 | * This definition of the VMX state is compatible with the current PPC32 | ||
| 85 | * ptrace interface. This allows signal handling and ptrace to use the | ||
| 86 | * same structures. This also simplifies the implementation of a bi-arch | ||
| 87 | * (combined (32- and 64-bit) gdb. | ||
| 88 | */ | ||
| 89 | |||
| 90 | /* | ||
| 91 | * Get contents of AltiVec register state in task TASK | ||
| 92 | */ | ||
| 93 | static inline int get_vrregs(unsigned long __user *data, | ||
| 94 | struct task_struct *task) | ||
| 95 | { | ||
| 96 | unsigned long regsize; | ||
| 97 | |||
| 98 | /* copy AltiVec registers VR[0] .. VR[31] */ | ||
| 99 | regsize = 32 * sizeof(vector128); | ||
| 100 | if (copy_to_user(data, task->thread.vr, regsize)) | ||
| 101 | return -EFAULT; | ||
| 102 | data += (regsize / sizeof(unsigned long)); | ||
| 103 | |||
| 104 | /* copy VSCR */ | ||
| 105 | regsize = 1 * sizeof(vector128); | ||
| 106 | if (copy_to_user(data, &task->thread.vscr, regsize)) | ||
| 107 | return -EFAULT; | ||
| 108 | data += (regsize / sizeof(unsigned long)); | ||
| 109 | |||
| 110 | /* copy VRSAVE */ | ||
| 111 | if (put_user(task->thread.vrsave, (u32 __user *)data)) | ||
| 112 | return -EFAULT; | ||
| 113 | |||
| 114 | return 0; | ||
| 115 | } | ||
| 116 | |||
| 117 | /* | ||
| 118 | * Write contents of AltiVec register state into task TASK. | ||
| 119 | */ | ||
| 120 | static inline int set_vrregs(struct task_struct *task, | ||
| 121 | unsigned long __user *data) | ||
| 122 | { | ||
| 123 | unsigned long regsize; | ||
| 124 | |||
| 125 | /* copy AltiVec registers VR[0] .. VR[31] */ | ||
| 126 | regsize = 32 * sizeof(vector128); | ||
| 127 | if (copy_from_user(task->thread.vr, data, regsize)) | ||
| 128 | return -EFAULT; | ||
| 129 | data += (regsize / sizeof(unsigned long)); | ||
| 130 | |||
| 131 | /* copy VSCR */ | ||
| 132 | regsize = 1 * sizeof(vector128); | ||
| 133 | if (copy_from_user(&task->thread.vscr, data, regsize)) | ||
| 134 | return -EFAULT; | ||
| 135 | data += (regsize / sizeof(unsigned long)); | ||
| 136 | |||
| 137 | /* copy VRSAVE */ | ||
| 138 | if (get_user(task->thread.vrsave, (u32 __user *)data)) | ||
| 139 | return -EFAULT; | ||
| 140 | |||
| 141 | return 0; | ||
| 142 | } | ||
| 143 | #endif | ||
| 144 | |||
| 145 | static inline int ptrace_set_debugreg(struct task_struct *task, | ||
| 146 | unsigned long addr, unsigned long data) | ||
| 147 | { | ||
| 148 | /* We only support one DABR and no IABRS at the moment */ | ||
| 149 | if (addr > 0) | ||
| 150 | return -EINVAL; | ||
| 151 | |||
| 152 | /* The bottom 3 bits are flags */ | ||
| 153 | if ((data & ~0x7UL) >= TASK_SIZE) | ||
| 154 | return -EIO; | ||
| 155 | |||
| 156 | /* Ensure translation is on */ | ||
| 157 | if (data && !(data & DABR_TRANSLATION)) | ||
| 158 | return -EIO; | ||
| 159 | |||
| 160 | task->thread.dabr = data; | ||
| 161 | return 0; | ||
| 162 | } | ||
| 163 | |||
| 164 | #endif /* _PPC64_PTRACE_COMMON_H */ | ||
