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/Linux-v5.10/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()
139 static long set_instruction_bp(struct task_struct *child, in set_instruction_bp() argument
143 int slot1_in_use = ((child->thread.debug.dbcr0 & DBCR0_IAC1) != 0); in set_instruction_bp()
144 int slot2_in_use = ((child->thread.debug.dbcr0 & DBCR0_IAC2) != 0); in set_instruction_bp()
145 int slot3_in_use = ((child->thread.debug.dbcr0 & DBCR0_IAC3) != 0); in set_instruction_bp()
146 int slot4_in_use = ((child->thread.debug.dbcr0 & DBCR0_IAC4) != 0); in set_instruction_bp()
148 if (dbcr_iac_range(child) & DBCR_IAC12MODE) in set_instruction_bp()
150 if (dbcr_iac_range(child) & DBCR_IAC34MODE) in set_instruction_bp()
164 child->thread.debug.iac1 = bp_info->addr; in set_instruction_bp()
[all …]
Dptrace32.c36 long compat_arch_ptrace(struct task_struct *child, compat_long_t request, in compat_arch_ptrace() argument
65 copied = ptrace_access_vm(child, (u64)addrOthers, &tmp, in compat_arch_ptrace()
84 CHECK_FULL_REGS(child->thread.regs); in compat_arch_ptrace()
86 ret = ptrace_get_reg(child, index, &tmp); in compat_arch_ptrace()
90 flush_fp_to_thread(child); in compat_arch_ptrace()
96 tmp = ((unsigned int *)child->thread.fp_state.fpr) in compat_arch_ptrace()
134 CHECK_FULL_REGS(child->thread.regs); 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()
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Dptrace.c38 void ptrace_disable(struct task_struct *child) in ptrace_disable() argument
41 user_disable_single_step(child); in ptrace_disable()
44 long arch_ptrace(struct task_struct *child, long request, in arch_ptrace() argument
61 || (child->thread.regs == NULL)) in arch_ptrace()
68 CHECK_FULL_REGS(child->thread.regs); in arch_ptrace()
70 ret = ptrace_get_reg(child, (int) index, &tmp); in arch_ptrace()
76 flush_fp_to_thread(child); in arch_ptrace()
78 memcpy(&tmp, &child->thread.TS_FPR(fpidx), in arch_ptrace()
81 tmp = child->thread.fp_state.fpscr; in arch_ptrace()
96 || (child->thread.regs == NULL)) in arch_ptrace()
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/Linux-v5.10/drivers/mtd/
Dmtdpart.c43 struct mtd_info *child; in allocate_partition() local
49 child = kzalloc(sizeof(*child), GFP_KERNEL); in allocate_partition()
51 if (!name || !child) { in allocate_partition()
55 kfree(child); in allocate_partition()
60 child->type = parent->type; in allocate_partition()
61 child->part.flags = parent->flags & ~part->mask_flags; in allocate_partition()
62 child->part.flags |= part->add_flags; in allocate_partition()
63 child->flags = child->part.flags; in allocate_partition()
64 child->part.size = part->size; in allocate_partition()
65 child->writesize = parent->writesize; in allocate_partition()
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/Linux-v5.10/kernel/
Dptrace.c67 void __ptrace_link(struct task_struct *child, struct task_struct *new_parent, in __ptrace_link() argument
70 BUG_ON(!list_empty(&child->ptrace_entry)); in __ptrace_link()
71 list_add(&child->ptrace_entry, &new_parent->ptraced); in __ptrace_link()
72 child->parent = new_parent; in __ptrace_link()
73 child->ptracer_cred = get_cred(ptracer_cred); in __ptrace_link()
82 static void ptrace_link(struct task_struct *child, struct task_struct *new_parent) in ptrace_link() argument
84 __ptrace_link(child, new_parent, current_cred()); in ptrace_link()
115 void __ptrace_unlink(struct task_struct *child) in __ptrace_unlink() argument
118 BUG_ON(!child->ptrace); in __ptrace_unlink()
120 clear_tsk_thread_flag(child, TIF_SYSCALL_TRACE); in __ptrace_unlink()
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/Linux-v5.10/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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/Linux-v5.10/drivers/mfd/
Dtwl-core.c711 struct device *child; in add_children() local
714 child = add_child(TWL4030_MODULE_GPIO, "twl4030_gpio", in add_children()
717 if (IS_ERR(child)) in add_children()
718 return PTR_ERR(child); in add_children()
722 child = add_child(TWL4030_MODULE_KEYPAD, "twl4030_keypad", in add_children()
725 if (IS_ERR(child)) in add_children()
726 return PTR_ERR(child); in add_children()
731 child = add_child(TWL4030_MODULE_MADC, "twl4030_madc", in add_children()
734 if (IS_ERR(child)) in add_children()
735 return PTR_ERR(child); in add_children()
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/Linux-v5.10/tools/testing/selftests/powerpc/ptrace/
Dptrace.h60 int start_trace(pid_t child) in start_trace() argument
64 ret = ptrace(PTRACE_ATTACH, child, NULL, NULL); in start_trace()
69 ret = waitpid(child, NULL, 0); in start_trace()
70 if (ret != child) { in start_trace()
77 int stop_trace(pid_t child) in stop_trace() argument
81 ret = ptrace(PTRACE_DETACH, child, NULL, NULL); in stop_trace()
89 int cont_trace(pid_t child) in cont_trace() argument
93 ret = ptrace(PTRACE_CONT, child, NULL, NULL); in cont_trace()
101 int ptrace_read_regs(pid_t child, unsigned long type, unsigned long regs[], in ptrace_read_regs() argument
107 FAIL_IF(start_trace(child)); in ptrace_read_regs()
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/Linux-v5.10/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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/Linux-v5.10/tools/perf/arch/x86/tests/
Dbp-modify.c32 int child = fork(); in spawn_child() local
34 if (child == 0) { in spawn_child()
52 return child; in spawn_child()
61 pid_t child; in bp_modify1() local
65 child = spawn_child(); in bp_modify1()
67 waitpid(child, &status, 0); in bp_modify1()
81 if (ptrace(PTRACE_POKEUSER, child, in bp_modify1()
88 if (ptrace(PTRACE_POKEUSER, child, in bp_modify1()
95 if (ptrace(PTRACE_POKEUSER, child, in bp_modify1()
101 if (ptrace(PTRACE_CONT, child, NULL, NULL)) { in bp_modify1()
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/Linux-v5.10/arch/um/kernel/
Dptrace.c13 void user_enable_single_step(struct task_struct *child) in user_enable_single_step() argument
15 child->ptrace |= PT_DTRACE; in user_enable_single_step()
16 child->thread.singlestep_syscall = 0; in user_enable_single_step()
19 SUBARCH_SET_SINGLESTEPPING(child, 1); in user_enable_single_step()
23 void user_disable_single_step(struct task_struct *child) in user_disable_single_step() argument
25 child->ptrace &= ~PT_DTRACE; in user_disable_single_step()
26 child->thread.singlestep_syscall = 0; in user_disable_single_step()
29 SUBARCH_SET_SINGLESTEPPING(child, 0); in user_disable_single_step()
36 void ptrace_disable(struct task_struct *child) in ptrace_disable() argument
38 user_disable_single_step(child); in ptrace_disable()
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/Linux-v5.10/arch/m68k/kernel/
Dptrace.c126 static inline void singlestep_disable(struct task_struct *child) in singlestep_disable() argument
128 unsigned long tmp = get_reg(child, PT_SR) & ~TRACE_BITS; in singlestep_disable()
129 put_reg(child, PT_SR, tmp); in singlestep_disable()
130 clear_tsk_thread_flag(child, TIF_DELAYED_TRACE); in singlestep_disable()
136 void ptrace_disable(struct task_struct *child) in ptrace_disable() argument
138 singlestep_disable(child); in ptrace_disable()
141 void user_enable_single_step(struct task_struct *child) in user_enable_single_step() argument
143 unsigned long tmp = get_reg(child, PT_SR) & ~TRACE_BITS; in user_enable_single_step()
144 put_reg(child, PT_SR, tmp | T1_BIT); in user_enable_single_step()
145 set_tsk_thread_flag(child, TIF_DELAYED_TRACE); in user_enable_single_step()
[all …]
/Linux-v5.10/drivers/net/mdio/
Dof_mdio.c64 struct device_node *child, u32 addr) in of_mdiobus_phy_device_register() argument
68 rc = of_irq_get(child, 0); in of_mdiobus_phy_device_register()
79 if (of_property_read_bool(child, "broken-turn-around")) in of_mdiobus_phy_device_register()
82 of_property_read_u32(child, "reset-assert-us", in of_mdiobus_phy_device_register()
84 of_property_read_u32(child, "reset-deassert-us", in of_mdiobus_phy_device_register()
89 of_node_get(child); in of_mdiobus_phy_device_register()
90 phy->mdio.dev.of_node = child; in of_mdiobus_phy_device_register()
91 phy->mdio.dev.fwnode = of_fwnode_handle(child); in of_mdiobus_phy_device_register()
97 of_node_put(child); in of_mdiobus_phy_device_register()
102 child, addr); in of_mdiobus_phy_device_register()
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/Linux-v5.10/arch/alpha/kernel/
Dptrace.c178 ptrace_set_bpt(struct task_struct * child) in ptrace_set_bpt() argument
184 pc = get_reg(child, REG_PC); in ptrace_set_bpt()
185 res = read_int(child, pc, (int *) &insn); in ptrace_set_bpt()
200 task_thread_info(child)->bpt_addr[nsaved++] = pc + 4; in ptrace_set_bpt()
202 task_thread_info(child)->bpt_addr[nsaved++] in ptrace_set_bpt()
207 task_thread_info(child)->bpt_addr[nsaved++] = get_reg(child, reg_b); in ptrace_set_bpt()
210 task_thread_info(child)->bpt_addr[nsaved++] = pc + 4; in ptrace_set_bpt()
216 res = read_int(child, task_thread_info(child)->bpt_addr[i], in ptrace_set_bpt()
220 task_thread_info(child)->bpt_insn[i] = insn; in ptrace_set_bpt()
222 task_thread_info(child)->bpt_addr[i])); in ptrace_set_bpt()
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/Linux-v5.10/tools/testing/selftests/cgroup/
Dtest_core.c273 char *grandparent = NULL, *parent = NULL, *child = NULL; in test_cgcore_invalid_domain() local
277 child = cg_name(root, "cg_test_grandparent/cg_test_parent/cg_test_child"); in test_cgcore_invalid_domain()
278 if (!parent || !child || !grandparent) in test_cgcore_invalid_domain()
287 if (cg_create(child)) in test_cgcore_invalid_domain()
293 if (cg_read_strcmp(child, "cgroup.type", "domain invalid\n")) in test_cgcore_invalid_domain()
296 if (!cg_enter_current(child)) in test_cgcore_invalid_domain()
302 if (!clone_into_cgroup_run_wait(child)) in test_cgcore_invalid_domain()
316 if (child) in test_cgcore_invalid_domain()
317 cg_destroy(child); in test_cgcore_invalid_domain()
322 free(child); in test_cgcore_invalid_domain()
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/Linux-v5.10/drivers/pwm/
Dsysfs.c18 struct device child; member
24 static struct pwm_export *child_to_pwm_export(struct device *child) in child_to_pwm_export() argument
26 return container_of(child, struct pwm_export, child); in child_to_pwm_export()
29 static struct pwm_device *child_to_pwm_device(struct device *child) in child_to_pwm_device() argument
31 struct pwm_export *export = child_to_pwm_export(child); in child_to_pwm_device()
36 static ssize_t period_show(struct device *child, in period_show() argument
40 const struct pwm_device *pwm = child_to_pwm_device(child); in period_show()
48 static ssize_t period_store(struct device *child, in period_store() argument
52 struct pwm_export *export = child_to_pwm_export(child); in period_store()
71 static ssize_t duty_cycle_show(struct device *child, in duty_cycle_show() argument
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/Linux-v5.10/tools/testing/selftests/ptrace/
Dpeeksiginfo.c44 static int check_error_paths(pid_t child) in check_error_paths() argument
73 ret = sys_ptrace(PTRACE_PEEKSIGINFO, child, &arg, addr_rw); in check_error_paths()
83 ret = sys_ptrace(PTRACE_PEEKSIGINFO, child, &arg, in check_error_paths()
91 ret = sys_ptrace(PTRACE_PEEKSIGINFO, child, &arg, addr_ro); in check_error_paths()
105 int check_direct_path(pid_t child, int shared, int nr) in check_direct_path() argument
122 ret = sys_ptrace(PTRACE_PEEKSIGINFO, child, &arg, siginfo); in check_direct_path()
157 pid_t child; in main() local
163 child = fork(); in main()
164 if (child == -1) { in main()
167 } else if (child == 0) { in main()
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/Linux-v5.10/arch/x86/um/
Dptrace_32.c75 int putreg(struct task_struct *child, int regno, unsigned long value) in putreg() argument
91 UPT_SYSCALL_NR(&child->thread.regs.regs) = value; in putreg()
115 child->thread.regs.regs.gp[HOST_EFLAGS] |= value; in putreg()
120 child->thread.regs.regs.gp[reg_offsets[regno]] = value; in putreg()
124 int poke_user(struct task_struct *child, long addr, long data) in poke_user() argument
130 return putreg(child, addr, data); in poke_user()
137 child->thread.arch.debugregs[addr] = data; in poke_user()
143 unsigned long getreg(struct task_struct *child, int regno) in getreg() argument
172 return mask & child->thread.regs.regs.gp[reg_offsets[regno]]; in getreg()
176 int peek_user(struct task_struct *child, long addr, long data) in peek_user() argument
[all …]
Dptrace_64.c53 int putreg(struct task_struct *child, int regno, unsigned long value) in putreg() argument
77 UPT_SYSCALL_NR(&child->thread.regs.regs) = value; in putreg()
99 child->thread.regs.regs.gp[HOST_EFLAGS] |= value; in putreg()
106 child->thread.regs.regs.gp[reg_offsets[regno >> 3]] = value; in putreg()
110 int poke_user(struct task_struct *child, long addr, long data) in poke_user() argument
116 return putreg(child, addr, data); in poke_user()
123 child->thread.arch.debugregs[addr] = data; in poke_user()
129 unsigned long getreg(struct task_struct *child, int regno) in getreg() argument
167 return mask & child->thread.regs.regs.gp[reg_offsets[regno >> 3]]; in getreg()
170 int peek_user(struct task_struct *child, long addr, long data) in peek_user() argument
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/Linux-v5.10/include/linux/
Dptrace.h56 extern long arch_ptrace(struct task_struct *child, long request,
61 extern int ptrace_request(struct task_struct *child, long request,
64 extern void __ptrace_link(struct task_struct *child,
67 extern void __ptrace_unlink(struct task_struct *child);
97 static inline int ptrace_reparented(struct task_struct *child) in ptrace_reparented() argument
99 return !same_thread_group(child->real_parent, child->parent); in ptrace_reparented()
102 static inline void ptrace_unlink(struct task_struct *child) in ptrace_unlink() argument
104 if (unlikely(child->ptrace)) in ptrace_unlink()
105 __ptrace_unlink(child); in ptrace_unlink()
208 static inline void ptrace_init_task(struct task_struct *child, bool ptrace) in ptrace_init_task() argument
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/Linux-v5.10/scripts/kconfig/
Dconf.c235 struct menu *child; in conf_choice() local
270 for (child = menu->list; child; child = child->next) { in conf_choice()
271 if (!menu_is_visible(child)) in conf_choice()
273 if (!child->sym) { in conf_choice()
274 printf("%*c %s\n", indent, '*', menu_get_prompt(child)); in conf_choice()
278 if (child->sym == def_sym) { in conf_choice()
283 printf(" %d. %s", cnt, menu_get_prompt(child)); in conf_choice()
284 if (child->sym->name) in conf_choice()
285 printf(" (%s)", child->sym->name); in conf_choice()
286 if (!sym_has_value(child->sym)) in conf_choice()
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/Linux-v5.10/fs/
Dpnode.c227 struct mount *child; in propagate_one() local
261 child = copy_tree(last_source, last_source->mnt.mnt_root, type); in propagate_one()
262 if (IS_ERR(child)) in propagate_one()
263 return PTR_ERR(child); in propagate_one()
265 mnt_set_mountpoint(m, mp, child); in propagate_one()
270 last_source = child; in propagate_one()
271 hlist_add_head(&child->mnt_hash, list); in propagate_one()
272 return count_mounts(m->mnt_ns, child); in propagate_one()
339 struct mount *child; in find_topper() local
344 child = list_first_entry(&mnt->mnt_mounts, struct mount, mnt_child); in find_topper()
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/Linux-v5.10/drivers/firmware/efi/
Ddev-path-parser.c35 struct device *parent, struct device **child) in parse_acpi_path() argument
50 *child = bus_find_device(&acpi_bus_type, NULL, &hid_uid, in parse_acpi_path()
52 if (!*child) in parse_acpi_path()
55 phys_dev = acpi_get_first_physical_node(to_acpi_device(*child)); in parse_acpi_path()
58 put_device(*child); in parse_acpi_path()
59 *child = phys_dev; in parse_acpi_path()
73 struct device *parent, struct device **child) in parse_pci_path() argument
84 *child = device_find_child(parent, &devfn, match_pci_dev); in parse_pci_path()
85 if (!*child) in parse_pci_path()
109 struct device *parent, struct device **child) in parse_end_path() argument
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/Linux-v5.10/drivers/pci/pcie/
Daspm.c144 struct pci_dev *child; in pcie_set_clkpm_nocheck() local
148 list_for_each_entry(child, &linkbus->devices, bus_list) in pcie_set_clkpm_nocheck()
149 pcie_capability_clear_and_set_word(child, PCI_EXP_LNKCTL, in pcie_set_clkpm_nocheck()
174 struct pci_dev *child; in pcie_clkpm_cap_init() local
178 list_for_each_entry(child, &linkbus->devices, bus_list) { in pcie_clkpm_cap_init()
179 pcie_capability_read_dword(child, PCI_EXP_LNKCAP, &reg32); in pcie_clkpm_cap_init()
185 pcie_capability_read_word(child, PCI_EXP_LNKCTL, &reg16); in pcie_clkpm_cap_init()
234 struct pci_dev *child, *parent = link->pdev; in pcie_aspm_configure_common_clock() local
240 child = list_entry(linkbus->devices.next, struct pci_dev, bus_list); in pcie_aspm_configure_common_clock()
241 BUG_ON(!pci_is_pcie(child)); in pcie_aspm_configure_common_clock()
[all …]
/Linux-v5.10/arch/sh/kernel/
Dptrace_32.c111 void user_enable_single_step(struct task_struct *child) in user_enable_single_step() argument
113 unsigned long pc = get_stack_long(child, offsetof(struct pt_regs, pc)); in user_enable_single_step()
115 set_tsk_thread_flag(child, TIF_SINGLESTEP); in user_enable_single_step()
117 set_single_step(child, pc); in user_enable_single_step()
120 void user_disable_single_step(struct task_struct *child) in user_disable_single_step() argument
122 clear_tsk_thread_flag(child, TIF_SINGLESTEP); in user_disable_single_step()
130 void ptrace_disable(struct task_struct *child) in ptrace_disable() argument
132 user_disable_single_step(child); in ptrace_disable()
339 long arch_ptrace(struct task_struct *child, long request, in arch_ptrace() argument
356 tmp = get_stack_long(child, addr); in arch_ptrace()
[all …]

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