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Searched refs:child (Results 1 – 25 of 119) sorted by relevance

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/arch/powerpc/kernel/ptrace/
Dptrace-adv.c74 int ptrace_get_debugreg(struct task_struct *child, unsigned long addr, in ptrace_get_debugreg() argument
80 return put_user(child->thread.debug.dac1, datalp); in ptrace_get_debugreg()
140 static long set_instruction_bp(struct task_struct *child, in set_instruction_bp() argument
144 int slot1_in_use = ((child->thread.debug.dbcr0 & DBCR0_IAC1) != 0); in set_instruction_bp()
145 int slot2_in_use = ((child->thread.debug.dbcr0 & DBCR0_IAC2) != 0); in set_instruction_bp()
146 int slot3_in_use = ((child->thread.debug.dbcr0 & DBCR0_IAC3) != 0); in set_instruction_bp()
147 int slot4_in_use = ((child->thread.debug.dbcr0 & DBCR0_IAC4) != 0); in set_instruction_bp()
149 if (dbcr_iac_range(child) & DBCR_IAC12MODE) in set_instruction_bp()
151 if (dbcr_iac_range(child) & DBCR_IAC34MODE) in set_instruction_bp()
165 child->thread.debug.iac1 = bp_info->addr; in set_instruction_bp()
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Dptrace32.c38 long compat_arch_ptrace(struct task_struct *child, compat_long_t request, in compat_arch_ptrace() argument
67 copied = ptrace_access_vm(child, (u64)addrOthers, &tmp, in compat_arch_ptrace()
87 ret = ptrace_get_reg(child, index, &tmp); in compat_arch_ptrace()
91 flush_fp_to_thread(child); in compat_arch_ptrace()
97 tmp = ((unsigned int *)child->thread.fp_state.fpr) in compat_arch_ptrace()
136 flush_fp_to_thread(child); in compat_arch_ptrace()
138 tmp = child->thread.fp_state.fpr[numReg - PT_FPR0][0]; in compat_arch_ptrace()
141 ret = ptrace_get_reg(child, numReg, &tmp2); in compat_arch_ptrace()
170 if (ptrace_access_vm(child, (u64)addrOthers, &tmp, in compat_arch_ptrace()
189 ret = ptrace_put_reg(child, index, data); in compat_arch_ptrace()
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Dptrace-fpu.c9 int ptrace_get_fpr(struct task_struct *child, int index, unsigned long *data) in ptrace_get_fpr() argument
19 flush_fp_to_thread(child); in ptrace_get_fpr()
23 *data = ((u32 *)child->thread.fp_state.fpr)[fpidx]; in ptrace_get_fpr()
25 memcpy(data, &child->thread.TS_FPR(fpidx), sizeof(long)); in ptrace_get_fpr()
27 *data = child->thread.fp_state.fpscr; in ptrace_get_fpr()
35 int ptrace_put_fpr(struct task_struct *child, int index, unsigned long data) in ptrace_put_fpr() argument
45 flush_fp_to_thread(child); in ptrace_put_fpr()
49 ((u32 *)child->thread.fp_state.fpr)[fpidx] = data; in ptrace_put_fpr()
51 memcpy(&child->thread.TS_FPR(fpidx), &data, sizeof(long)); in ptrace_put_fpr()
53 child->thread.fp_state.fpscr = data; in ptrace_put_fpr()
Dptrace.c37 void ptrace_disable(struct task_struct *child) in ptrace_disable() argument
40 user_disable_single_step(child); in ptrace_disable()
43 long arch_ptrace(struct task_struct *child, long request, in arch_ptrace() argument
58 if ((addr & (sizeof(long) - 1)) || !child->thread.regs) in arch_ptrace()
62 ret = ptrace_get_reg(child, (int) index, &tmp); in arch_ptrace()
64 ret = ptrace_get_fpr(child, index, &tmp); in arch_ptrace()
79 if ((addr & (sizeof(long) - 1)) || !child->thread.regs) in arch_ptrace()
83 ret = ptrace_put_reg(child, index, data); in arch_ptrace()
85 ret = ptrace_put_fpr(child, index, data); in arch_ptrace()
106 return ppc_set_hwdebug(child, &bp_info); in arch_ptrace()
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Dptrace-noadv.c60 int ptrace_get_debugreg(struct task_struct *child, unsigned long addr, in ptrace_get_debugreg() argument
68 dabr_fake = ((child->thread.hw_brk[0].address & (~HW_BRK_TYPE_DABR)) | in ptrace_get_debugreg()
69 (child->thread.hw_brk[0].type & HW_BRK_TYPE_DABR)); in ptrace_get_debugreg()
193 long ppc_set_hwdebug(struct task_struct *child, struct ppc_hw_breakpoint *bp_info) in ppc_set_hwdebug() argument
198 struct thread_struct *thread = &child->thread; in ppc_set_hwdebug()
243 bp = register_user_hw_breakpoint(&attr, ptrace_triggered, NULL, child); in ppc_set_hwdebug()
256 i = find_empty_hw_brk(&child->thread); in ppc_set_hwdebug()
263 child->thread.hw_brk[i] = brk; in ppc_set_hwdebug()
268 long ppc_del_hwdebug(struct task_struct *child, long data) in ppc_del_hwdebug() argument
272 struct thread_struct *thread = &child->thread; in ppc_del_hwdebug()
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/arch/x86/kernel/
Dstep.c12 unsigned long convert_ip_to_linear(struct task_struct *child, struct pt_regs *regs) in convert_ip_to_linear() argument
36 mutex_lock(&child->mm->context.lock); in convert_ip_to_linear()
37 if (unlikely(!child->mm->context.ldt || in convert_ip_to_linear()
38 seg >= child->mm->context.ldt->nr_entries)) in convert_ip_to_linear()
41 desc = &child->mm->context.ldt->entries[seg]; in convert_ip_to_linear()
49 mutex_unlock(&child->mm->context.lock); in convert_ip_to_linear()
56 static int is_setting_trap_flag(struct task_struct *child, struct pt_regs *regs) in is_setting_trap_flag() argument
60 unsigned long addr = convert_ip_to_linear(child, regs); in is_setting_trap_flag()
62 copied = access_process_vm(child, addr, opcode, sizeof(opcode), in is_setting_trap_flag()
111 static int enable_single_step(struct task_struct *child) in enable_single_step() argument
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Dptrace.c374 static int putreg(struct task_struct *child, in putreg() argument
384 return set_segment_reg(child, offset, value); in putreg()
387 return set_flags(child, value); in putreg()
393 x86_fsbase_write_task(child, value); in putreg()
398 x86_gsbase_write_task(child, value); in putreg()
403 *pt_regs_access(task_pt_regs(child), offset) = value; in putreg()
718 void ptrace_disable(struct task_struct *child) in ptrace_disable() argument
720 user_disable_single_step(child); in ptrace_disable()
730 long arch_ptrace(struct task_struct *child, long request, in arch_ptrace() argument
755 tmp = getreg(child, addr); in arch_ptrace()
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/arch/mips/kernel/
Dptrace32.c43 long compat_arch_ptrace(struct task_struct *child, compat_long_t request, in compat_arch_ptrace() argument
73 copied = ptrace_access_vm(child, (u64)addrOthers, &tmp, in compat_arch_ptrace()
86 regs = task_pt_regs(child); in compat_arch_ptrace()
97 if (!tsk_used_math(child)) { in compat_arch_ptrace()
102 fregs = get_fpu_regs(child); in compat_arch_ptrace()
103 if (test_tsk_thread_flag(child, TIF_32BIT_FPREGS)) { in compat_arch_ptrace()
117 tmp = child->thread.fpu.fcr31; in compat_arch_ptrace()
147 dregs = __get_dsp_regs(child); in compat_arch_ptrace()
157 tmp = child->thread.dsp.dspcontrol; in compat_arch_ptrace()
186 if (ptrace_access_vm(child, (u64)addrOthers, &data, in compat_arch_ptrace()
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Dptrace.c63 void ptrace_disable(struct task_struct *child) in ptrace_disable() argument
66 clear_tsk_thread_flag(child, TIF_LOAD_WATCH); in ptrace_disable()
74 int ptrace_getregs(struct task_struct *child, struct user_pt_regs __user *data) in ptrace_getregs() argument
82 regs = task_pt_regs(child); in ptrace_getregs()
101 int ptrace_setregs(struct task_struct *child, struct user_pt_regs __user *data) in ptrace_setregs() argument
109 regs = task_pt_regs(child); in ptrace_setregs()
120 mips_syscall_update_nr(child, regs); in ptrace_setregs()
125 int ptrace_get_watch_regs(struct task_struct *child, in ptrace_get_watch_regs() argument
148 __put_user(child->thread.watch.mips3264.watchlo[i], in ptrace_get_watch_regs()
150 __put_user(child->thread.watch.mips3264.watchhi[i] & in ptrace_get_watch_regs()
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/arch/um/kernel/
Dptrace.c12 void user_enable_single_step(struct task_struct *child) in user_enable_single_step() argument
14 set_tsk_thread_flag(child, TIF_SINGLESTEP); in user_enable_single_step()
15 child->thread.singlestep_syscall = 0; in user_enable_single_step()
18 SUBARCH_SET_SINGLESTEPPING(child, 1); in user_enable_single_step()
22 void user_disable_single_step(struct task_struct *child) in user_disable_single_step() argument
24 clear_tsk_thread_flag(child, TIF_SINGLESTEP); in user_disable_single_step()
25 child->thread.singlestep_syscall = 0; in user_disable_single_step()
28 SUBARCH_SET_SINGLESTEPPING(child, 0); in user_disable_single_step()
35 void ptrace_disable(struct task_struct *child) in ptrace_disable() argument
37 user_disable_single_step(child); in ptrace_disable()
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/arch/m68k/kernel/
Dptrace.c127 static inline void singlestep_disable(struct task_struct *child) in singlestep_disable() argument
129 unsigned long tmp = get_reg(child, PT_SR) & ~TRACE_BITS; in singlestep_disable()
130 put_reg(child, PT_SR, tmp); in singlestep_disable()
131 clear_tsk_thread_flag(child, TIF_DELAYED_TRACE); in singlestep_disable()
137 void ptrace_disable(struct task_struct *child) in ptrace_disable() argument
139 singlestep_disable(child); in ptrace_disable()
142 void user_enable_single_step(struct task_struct *child) in user_enable_single_step() argument
144 unsigned long tmp = get_reg(child, PT_SR) & ~TRACE_BITS; in user_enable_single_step()
145 put_reg(child, PT_SR, tmp | T1_BIT); in user_enable_single_step()
146 set_tsk_thread_flag(child, TIF_DELAYED_TRACE); in user_enable_single_step()
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/arch/alpha/kernel/
Dptrace.c179 ptrace_set_bpt(struct task_struct * child) in ptrace_set_bpt() argument
185 pc = get_reg(child, REG_PC); in ptrace_set_bpt()
186 res = read_int(child, pc, (int *) &insn); in ptrace_set_bpt()
201 task_thread_info(child)->bpt_addr[nsaved++] = pc + 4; in ptrace_set_bpt()
203 task_thread_info(child)->bpt_addr[nsaved++] in ptrace_set_bpt()
208 task_thread_info(child)->bpt_addr[nsaved++] = get_reg(child, reg_b); in ptrace_set_bpt()
211 task_thread_info(child)->bpt_addr[nsaved++] = pc + 4; in ptrace_set_bpt()
217 res = read_int(child, task_thread_info(child)->bpt_addr[i], in ptrace_set_bpt()
221 task_thread_info(child)->bpt_insn[i] = insn; in ptrace_set_bpt()
223 task_thread_info(child)->bpt_addr[i])); in ptrace_set_bpt()
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/arch/x86/um/
Dptrace_32.c76 int putreg(struct task_struct *child, int regno, unsigned long value) in putreg() argument
92 UPT_SYSCALL_NR(&child->thread.regs.regs) = value; in putreg()
116 child->thread.regs.regs.gp[HOST_EFLAGS] |= value; in putreg()
121 child->thread.regs.regs.gp[reg_offsets[regno]] = value; in putreg()
125 int poke_user(struct task_struct *child, long addr, long data) in poke_user() argument
131 return putreg(child, addr, data); in poke_user()
138 child->thread.arch.debugregs[addr] = data; in poke_user()
144 unsigned long getreg(struct task_struct *child, int regno) in getreg() argument
173 return mask & child->thread.regs.regs.gp[reg_offsets[regno]]; in getreg()
177 int peek_user(struct task_struct *child, long addr, long data) in peek_user() argument
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Dptrace_64.c54 int putreg(struct task_struct *child, int regno, unsigned long value) in putreg() argument
78 UPT_SYSCALL_NR(&child->thread.regs.regs) = value; in putreg()
100 child->thread.regs.regs.gp[HOST_EFLAGS] |= value; in putreg()
107 child->thread.regs.regs.gp[reg_offsets[regno >> 3]] = value; in putreg()
111 int poke_user(struct task_struct *child, long addr, long data) in poke_user() argument
117 return putreg(child, addr, data); in poke_user()
124 child->thread.arch.debugregs[addr] = data; in poke_user()
130 unsigned long getreg(struct task_struct *child, int regno) in getreg() argument
168 return mask & child->thread.regs.regs.gp[reg_offsets[regno >> 3]]; in getreg()
171 int peek_user(struct task_struct *child, long addr, long data) in peek_user() argument
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/arch/sh/kernel/
Dptrace_32.c110 void user_enable_single_step(struct task_struct *child) in user_enable_single_step() argument
112 unsigned long pc = get_stack_long(child, offsetof(struct pt_regs, pc)); in user_enable_single_step()
114 set_tsk_thread_flag(child, TIF_SINGLESTEP); in user_enable_single_step()
116 set_single_step(child, pc); in user_enable_single_step()
119 void user_disable_single_step(struct task_struct *child) in user_disable_single_step() argument
121 clear_tsk_thread_flag(child, TIF_SINGLESTEP); in user_disable_single_step()
129 void ptrace_disable(struct task_struct *child) in ptrace_disable() argument
131 user_disable_single_step(child); in ptrace_disable()
338 long arch_ptrace(struct task_struct *child, long request, in arch_ptrace() argument
355 tmp = get_stack_long(child, addr); in arch_ptrace()
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/arch/s390/kernel/
Dptrace.c146 static inline unsigned long __peek_user_per(struct task_struct *child, in __peek_user_per() argument
152 PER_EVENT_IFETCH : child->thread.per_user.control; in __peek_user_per()
156 0 : child->thread.per_user.start; in __peek_user_per()
160 -1UL : child->thread.per_user.end; in __peek_user_per()
167 return child->thread.per_user.start; in __peek_user_per()
170 return child->thread.per_user.end; in __peek_user_per()
174 child->thread.per_event.cause << (BITS_PER_LONG - 16); in __peek_user_per()
177 return child->thread.per_event.address; in __peek_user_per()
181 child->thread.per_event.paid << (BITS_PER_LONG - 8); in __peek_user_per()
194 static unsigned long __peek_user(struct task_struct *child, addr_t addr) in __peek_user() argument
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/arch/xtensa/kernel/
Dptrace.c225 void user_enable_single_step(struct task_struct *child) in user_enable_single_step() argument
227 set_tsk_thread_flag(child, TIF_SINGLESTEP); in user_enable_single_step()
230 void user_disable_single_step(struct task_struct *child) in user_disable_single_step() argument
232 clear_tsk_thread_flag(child, TIF_SINGLESTEP); in user_disable_single_step()
239 void ptrace_disable(struct task_struct *child) in ptrace_disable() argument
244 static int ptrace_getregs(struct task_struct *child, void __user *uregs) in ptrace_getregs() argument
246 return copy_regset_to_user(child, &user_xtensa_view, REGSET_GPR, in ptrace_getregs()
250 static int ptrace_setregs(struct task_struct *child, void __user *uregs) in ptrace_setregs() argument
252 return copy_regset_from_user(child, &user_xtensa_view, REGSET_GPR, in ptrace_setregs()
256 static int ptrace_getxregs(struct task_struct *child, void __user *uregs) in ptrace_getxregs() argument
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/arch/ia64/kernel/
Dptrace.c401 ia64_peek (struct task_struct *child, struct switch_stack *child_stack, in ia64_peek() argument
411 child_regs = task_pt_regs(child); in ia64_peek()
413 krbs = (unsigned long *) child + IA64_RBS_OFFSET/8; in ia64_peek()
423 ret = get_rnat(child, child_stack, krbs, rnat_addr, urbs_end); in ia64_peek()
455 copied = access_process_vm(child, addr, &ret, sizeof(ret), FOLL_FORCE); in ia64_peek()
463 ia64_poke (struct task_struct *child, struct switch_stack *child_stack, in ia64_poke() argument
471 child_regs = task_pt_regs(child); in ia64_poke()
473 krbs = (unsigned long *) child + IA64_RBS_OFFSET/8; in ia64_poke()
483 put_rnat(child, child_stack, krbs, laddr, val, in ia64_poke()
491 } else if (access_process_vm(child, addr, &val, sizeof(val), in ia64_poke()
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/arch/microblaze/kernel/
Dptrace.c77 long arch_ptrace(struct task_struct *child, long request, in arch_ptrace() argument
95 val = child->mm->start_code; in arch_ptrace()
97 val = child->mm->start_data; in arch_ptrace()
99 val = child->mm->end_code in arch_ptrace()
100 - child->mm->start_code; in arch_ptrace()
105 microblaze_reg_t *reg_addr = reg_save_addr(addr, child); in arch_ptrace()
130 rval = ptrace_request(child, request, addr, data); in arch_ptrace()
166 void ptrace_disable(struct task_struct *child) in ptrace_disable() argument
/arch/hexagon/kernel/
Dptrace.c23 void user_enable_single_step(struct task_struct *child) in user_enable_single_step() argument
25 pt_set_singlestep(task_pt_regs(child)); in user_enable_single_step()
26 set_tsk_thread_flag(child, TIF_SINGLESTEP); in user_enable_single_step()
29 void user_disable_single_step(struct task_struct *child) in user_disable_single_step() argument
31 pt_clr_singlestep(task_pt_regs(child)); in user_disable_single_step()
32 clear_tsk_thread_flag(child, TIF_SINGLESTEP); in user_disable_single_step()
160 void ptrace_disable(struct task_struct *child) in ptrace_disable() argument
163 user_disable_single_step(child); in ptrace_disable()
166 long arch_ptrace(struct task_struct *child, long request, in arch_ptrace() argument
169 return ptrace_request(child, request, addr, data); in arch_ptrace()
/arch/arm/mach-mvebu/
Dmvebu-soc-id.c61 struct device_node *child; in get_soc_id_by_pci() local
71 child = of_get_next_child(np, NULL); in get_soc_id_by_pci()
72 if (child == NULL) { in get_soc_id_by_pci()
78 clk = of_clk_get_by_name(child, NULL); in get_soc_id_by_pci()
91 pci_base = of_iomap(child, 0); in get_soc_id_by_pci()
119 if (!of_device_is_available(child) || !IS_ENABLED(CONFIG_PCI_MVEBU)) { in get_soc_id_by_pci()
125 of_node_put(child); in get_soc_id_by_pci()
/arch/powerpc/kernel/
Dpci-hotplug.c24 struct pci_bus *child = NULL; in find_bus_among_children() local
31 child = find_bus_among_children(tmp, dn); in find_bus_among_children()
32 if (child) in find_bus_among_children()
36 return child; in find_bus_among_children()
124 dn->child && PCI_DN(dn->child)) { in pci_hp_add_devices()
132 slotno = PCI_SLOT(PCI_DN(dn->child)->devfn); in pci_hp_add_devices()
/arch/x86/pci/
Di386.c235 struct pci_bus *child; in pcibios_allocate_bus_resources() local
240 list_for_each_entry(child, &bus->children, node) in pcibios_allocate_bus_resources()
241 pcibios_allocate_bus_resources(child); in pcibios_allocate_bus_resources()
310 struct pci_bus *child; in pcibios_allocate_resources() local
315 child = dev->subordinate; in pcibios_allocate_resources()
316 if (child) in pcibios_allocate_resources()
317 pcibios_allocate_resources(child, pass); in pcibios_allocate_resources()
344 struct pci_bus *child; in pcibios_allocate_rom_resources() local
349 child = dev->subordinate; in pcibios_allocate_rom_resources()
350 if (child) in pcibios_allocate_rom_resources()
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/arch/mips/include/asm/
Dptrace.h126 extern int ptrace_getregs(struct task_struct *child,
128 extern int ptrace_setregs(struct task_struct *child,
131 extern int ptrace_getfpregs(struct task_struct *child, __u32 __user *data);
132 extern int ptrace_setfpregs(struct task_struct *child, __u32 __user *data);
134 extern int ptrace_get_watch_regs(struct task_struct *child,
136 extern int ptrace_set_watch_regs(struct task_struct *child,
/arch/parisc/kernel/
Dptrace.c122 long arch_ptrace(struct task_struct *child, long request, in arch_ptrace() argument
143 tmp = *(unsigned long *) ((char *) task_regs(child) + addr); in arch_ptrace()
165 task_regs(child)->gr[0] &= ~USER_PSW_BITS; in arch_ptrace()
166 task_regs(child)->gr[0] |= data; in arch_ptrace()
181 *(unsigned long *) ((char *) task_regs(child) + addr) = data; in arch_ptrace()
187 return copy_regset_to_user(child, in arch_ptrace()
194 return copy_regset_from_user(child, in arch_ptrace()
201 return copy_regset_to_user(child, in arch_ptrace()
208 return copy_regset_from_user(child, in arch_ptrace()
215 ret = ptrace_request(child, request, addr, data); in arch_ptrace()
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