本文整理汇总了C++中ptrace_request函数的典型用法代码示例。如果您正苦于以下问题：C++ ptrace_request函数的具体用法？C++ ptrace_request怎么用？C++ ptrace_request使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。
在下文中一共展示了ptrace_request函数的20个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的C++代码示例。
示例1: arch_ptrace
long arch_ptrace(struct task_struct *child, long request,
unsigned long addr, unsigned long data)
{
int ret;
unsigned long __user *datap = (unsigned long __user *) data;
switch (request) {
case PTRACE_PEEKUSR:
ret = ptrace_read_user(child, addr, datap);
break;
case PTRACE_POKEUSR:
ret = ptrace_write_user(child, addr, data);
break;
case PTRACE_GET_THREAD_AREA:
ret = put_user(task_pt_regs(child)->UCreg_16,
datap);
break;
default:
ret = ptrace_request(child, request, addr, data);
break;
}
return ret;
}
开发者ID:DirtyDroidX，项目名称:android_kernel_htc_m8ul，代码行数:27，代码来源:ptrace.c
示例2: arch_ptrace
long arch_ptrace(struct task_struct *child, long request,
unsigned long addr, unsigned long data)
{
int rval;
unsigned long val = 0;
switch (request) {
/* Read/write the word at location ADDR in the registers. */
case PTRACE_PEEKUSR:
case PTRACE_POKEUSR:
pr_debug("PEEKUSR/POKEUSR : 0x%08lx\n", addr);
rval = 0;
if (addr >= PT_SIZE && request == PTRACE_PEEKUSR) {
/*
* Special requests that don't actually correspond
* to offsets in struct pt_regs.
*/
if (addr == PT_TEXT_ADDR) {
val = child->mm->start_code;
} else if (addr == PT_DATA_ADDR) {
val = child->mm->start_data;
} else if (addr == PT_TEXT_LEN) {
val = child->mm->end_code
- child->mm->start_code;
} else {
rval = -EIO;
}
} else if (addr < PT_SIZE && (addr & 0x3) == 0) {
microblaze_reg_t *reg_addr = reg_save_addr(addr, child);
if (request == PTRACE_PEEKUSR)
val = *reg_addr;
else {
#if 1
*reg_addr = data;
#else
/* MS potential problem on WB system
* Be aware that reg_addr is virtual address
* virt_to_phys conversion is necessary.
* This could be sensible solution.
*/
u32 paddr = virt_to_phys((u32)reg_addr);
invalidate_icache_range(paddr, paddr + 4);
*reg_addr = data;
flush_dcache_range(paddr, paddr + 4);
#endif
}
} else
rval = -EIO;
if (rval == 0 && request == PTRACE_PEEKUSR)
rval = put_user(val, (unsigned long __user *)data);
break;
default:
rval = ptrace_request(child, request, addr, data);
}
return rval;
}
开发者ID:007kumarraja，项目名称:rockchip-rk3188-mk908，代码行数:57，代码来源:ptrace.c
示例3: arch_ptrace
long arch_ptrace(struct task_struct *child, long request,
unsigned long addr, unsigned long data)
{
unsigned long tmp;
long ret = -EIO;
switch (request) {
case PTRACE_PEEKUSR:
if ((addr & (sizeof(unsigned long)-1)) ||
addr >= sizeof(struct pt_regs))
break;
tmp = *(unsigned long *) ((char *) task_regs(child) + addr);
ret = put_user(tmp, (unsigned long __user *) data);
break;
/* Write the word at location addr in the USER area. This will need
to change when the kernel no longer saves all regs on a syscall.
FIXME. There is a problem at the moment in that r3-r18 are only
saved if the process is ptraced on syscall entry, and even then
those values are overwritten by actual register values on syscall
exit. */
case PTRACE_POKEUSR:
/* Some register values written here may be ignored in
* entry.S:syscall_restore_rfi; e.g. iaoq is written with
* r31/r31+4, and not with the values in pt_regs.
*/
if (addr == PT_PSW) {
data &= USER_PSW_BITS;
task_regs(child)->gr[0] &= ~USER_PSW_BITS;
task_regs(child)->gr[0] |= data;
ret = 0;
break;
}
if ((addr & (sizeof(unsigned long)-1)) ||
addr >= sizeof(struct pt_regs))
break;
if ((addr >= PT_GR1 && addr <= PT_GR31) ||
addr == PT_IAOQ0 || addr == PT_IAOQ1 ||
(addr >= PT_FR0 && addr <= PT_FR31 + 4) ||
addr == PT_SAR) {
*(unsigned long *) ((char *) task_regs(child) + addr) = data;
ret = 0;
}
break;
default:
ret = ptrace_request(child, request, addr, data);
break;
}
return ret;
}
开发者ID:Blackburn29，项目名称:PsycoKernel，代码行数:54，代码来源:ptrace.c
示例4: arch_ptrace
long arch_ptrace(struct task_struct *child, long request, long addr, long data)
{
unsigned long tmp;
long ret = -EIO;
switch (request) {
/* Read the word at location addr in the USER area. For ptraced
processes, the kernel saves all regs on a syscall. */
case PTRACE_PEEKUSR:
if ((addr & (sizeof(long)-1)) ||
(unsigned long) addr >= sizeof(struct pt_regs))
break;
tmp = *(unsigned long *) ((char *) task_regs(child) + addr);
ret = put_user(tmp, (unsigned long *) data);
break;
case PTRACE_POKEUSR:
/* Some register values written here may be ignored in
* entry.S:syscall_restore_rfi; e.g. iaoq is written with
* r31/r31+4, and not with the values in pt_regs.
*/
if (addr == PT_PSW) {
/* Allow writing to Nullify, Divide-step-correction,
* and carry/borrow bits.
* BEWARE, if you set N, and then single step, it won't
* stop on the nullified instruction.
*/
data &= USER_PSW_BITS;
task_regs(child)->gr[0] &= ~USER_PSW_BITS;
task_regs(child)->gr[0] |= data;
ret = 0;
break;
}
if ((addr & (sizeof(long)-1)) ||
(unsigned long) addr >= sizeof(struct pt_regs))
break;
if ((addr >= PT_GR1 && addr <= PT_GR31) ||
addr == PT_IAOQ0 || addr == PT_IAOQ1 ||
(addr >= PT_FR0 && addr <= PT_FR31 + 4) ||
addr == PT_SAR) {
*(unsigned long *) ((char *) task_regs(child) + addr) = data;
ret = 0;
}
break;
default:
ret = ptrace_request(child, request, addr, data);
break;
}
return ret;
}
开发者ID:1703011，项目名称:asuswrt-merlin，代码行数:54，代码来源:ptrace.c
示例5: arch_ptrace
long arch_ptrace(struct task_struct *child, long request,
unsigned long addr, unsigned long data)
{
int ret;
switch (request) {
default:
ret = ptrace_request(child, request, addr, data);
break;
}
return ret;
}
开发者ID:0-T-0，项目名称:ps4-linux，代码行数:12，代码来源:ptrace.c
示例6: compat_ptrace_request
int compat_ptrace_request(struct task_struct *child, compat_long_t request,
compat_ulong_t addr, compat_ulong_t data)
{
compat_ulong_t __user *datap = compat_ptr(data);
compat_ulong_t word;
siginfo_t siginfo;
int ret;
switch (request) {
case PTRACE_PEEKTEXT:
case PTRACE_PEEKDATA:
ret = access_process_vm(child, addr, &word, sizeof(word), 0);
if (ret != sizeof(word))
ret = -EIO;
else
ret = put_user(word, datap);
break;
case PTRACE_POKETEXT:
case PTRACE_POKEDATA:
ret = access_process_vm(child, addr, &data, sizeof(data), 1);
ret = (ret != sizeof(data) ? -EIO : 0);
break;
case PTRACE_GETEVENTMSG:
ret = put_user((compat_ulong_t) child->ptrace_message, datap);
break;
case PTRACE_GETSIGINFO:
ret = ptrace_getsiginfo(child, &siginfo);
if (!ret)
ret = copy_siginfo_to_user32(
(struct compat_siginfo __user *) datap,
&siginfo);
break;
case PTRACE_SETSIGINFO:
memset(&siginfo, 0, sizeof siginfo);
if (copy_siginfo_from_user32(
&siginfo, (struct compat_siginfo __user *) datap))
ret = -EFAULT;
else
ret = ptrace_setsiginfo(child, &siginfo);
break;
default:
ret = ptrace_request(child, request, addr, data);
}
return ret;
}
开发者ID:achristensen3，项目名称:cm-kernel，代码行数:51，代码来源:ptrace.c
示例7: arch_ptrace
long arch_ptrace(struct task_struct *child, long request,
unsigned long addr, unsigned long data)
{
int ret;
switch (request) {
case PTRACE_SET_SYSCALL:
task_pt_regs(child)->syscallno = data;
ret = 0;
break;
default:
ret = ptrace_request(child, request, addr, data);
break;
}
return ret;
}
开发者ID:BeastOn，项目名称:yu_msm8916，代码行数:17，代码来源:ptrace.c
示例8: arch_ptrace
long arch_ptrace(struct task_struct *child, long request, long addr, long data)
{
int rval;
unsigned long val = 0;
switch (request) {
/* Read/write the word at location ADDR in the registers. */
case PTRACE_PEEKUSR:
case PTRACE_POKEUSR:
pr_debug("PEEKUSR/POKEUSR : 0x%08lx\n", addr);
rval = 0;
if (addr >= PT_SIZE && request == PTRACE_PEEKUSR) {
/*
* Special requests that don't actually correspond
* to offsets in struct pt_regs.
*/
if (addr == PT_TEXT_ADDR) {
val = child->mm->start_code;
} else if (addr == PT_DATA_ADDR) {
val = child->mm->start_data;
} else if (addr == PT_TEXT_LEN) {
val = child->mm->end_code
- child->mm->start_code;
} else {
rval = -EIO;
}
} else if (addr >= 0 && addr < PT_SIZE && (addr & 0x3) == 0) {
microblaze_reg_t *reg_addr = reg_save_addr(addr, child);
if (request == PTRACE_PEEKUSR)
val = *reg_addr;
else
*reg_addr = data;
} else
rval = -EIO;
if (rval == 0 && request == PTRACE_PEEKUSR)
rval = put_user(val, (unsigned long *)data);
break;
default:
rval = ptrace_request(child, request, addr, data);
}
return rval;
}
开发者ID:Medvedroid，项目名称:OT_903D-kernel-2.6.35.7，代码行数:43，代码来源:ptrace.c
示例9: arch_ptrace
long arch_ptrace(struct task_struct *child, long request,
unsigned long addr, unsigned long data)
{
int ret = -EIO;
pr_debug("REQ=%ld: ADDR =0x%lx, DATA=0x%lx)\n", request, addr, data);
switch (request) {
case PTRACE_GET_THREAD_AREA:
ret = put_user(task_thread_info(child)->thr_ptr,
(unsigned long __user *)data);
break;
default:
ret = ptrace_request(child, request, addr, data);
break;
}
return ret;
}
开发者ID:0x000000FF，项目名称:Linux4Edison，代码行数:19，代码来源:ptrace.c
示例10: arch_ptrace
long arch_ptrace(struct task_struct *child, long request, long addr, long data)
{
int ret;
switch (request) {
/* Read the word at location addr in the child process */
case PTRACE_PEEKTEXT:
case PTRACE_PEEKDATA:
ret = generic_ptrace_peekdata(child, addr, data);
break;
case PTRACE_PEEKUSR:
ret = ptrace_read_user(child, addr,
(unsigned long __user *)data);
break;
/* Write the word in data at location addr */
case PTRACE_POKETEXT:
case PTRACE_POKEDATA:
ret = generic_ptrace_pokedata(child, addr, data);
break;
case PTRACE_POKEUSR:
ret = ptrace_write_user(child, addr, data);
break;
case PTRACE_GETREGS:
ret = ptrace_getregs(child, (void __user *)data);
break;
case PTRACE_SETREGS:
ret = ptrace_setregs(child, (const void __user *)data);
break;
default:
ret = ptrace_request(child, request, addr, data);
break;
}
return ret;
}
开发者ID:actiononmail，项目名称:linux-2.6，代码行数:41，代码来源:ptrace.c
示例11: arch_ptrace
//.........这里部分代码省略.........
&& addr + sizeof(data) <= L1_DATA_B_START + L1_DATA_B_LENGTH) {
memcpy((void *)(addr), &data, sizeof(data));
copied = sizeof(data);
} else if (addr >= FIXED_CODE_START
&& addr + sizeof(data) <= FIXED_CODE_END) {
copy_to_user_page(0, 0, 0, (void *)(addr), &data, sizeof(data));
copied = sizeof(data);
} else
copied = access_process_vm(child, addr, &data,
sizeof(data), 1);
pr_debug("ptrace: copied size %d\n", copied);
if (copied != sizeof(data))
break;
ret = 0;
break;
}
case PTRACE_POKEUSR: /* write the word at location addr in the USER area */
ret = -EIO;
if ((addr & 3) || (addr > (sizeof(struct pt_regs) + 16))) {
printk(KERN_WARNING "ptrace error : POKEUSR: temporarily returning 0\n");
break;
}
if (addr >= (sizeof(struct pt_regs))) {
ret = 0;
break;
}
if (addr == PT_SYSCFG) {
data &= SYSCFG_MASK;
data |= get_reg(child, PT_SYSCFG);
}
ret = put_reg(child, addr, data);
break;
case PTRACE_SYSCALL: /* continue and stop at next (return from) syscall */
case PTRACE_CONT: /* restart after signal. */
pr_debug("ptrace: syscall/cont\n");
ret = -EIO;
if (!valid_signal(data))
break;
if (request == PTRACE_SYSCALL)
set_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
else
clear_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
child->exit_code = data;
ptrace_disable(child);
pr_debug("ptrace: before wake_up_process\n");
wake_up_process(child);
ret = 0;
break;
/*
* make the child exit. Best I can do is send it a sigkill.
* perhaps it should be put in the status that it wants to
* exit.
*/
case PTRACE_KILL:
ret = 0;
if (child->exit_state == EXIT_ZOMBIE) /* already dead */
break;
child->exit_code = SIGKILL;
ptrace_disable(child);
wake_up_process(child);
break;
case PTRACE_SINGLESTEP: /* set the trap flag. */
pr_debug("ptrace: single step\n");
ret = -EIO;
if (!valid_signal(data))
break;
clear_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
ptrace_enable(child);
child->exit_code = data;
wake_up_process(child);
ret = 0;
break;
case PTRACE_GETREGS:
/* Get all gp regs from the child. */
ret = ptrace_getregs(child, datap);
break;
case PTRACE_SETREGS:
printk(KERN_WARNING "ptrace: SETREGS: **** NOT IMPLEMENTED ***\n");
/* Set all gp regs in the child. */
ret = 0;
break;
default:
ret = ptrace_request(child, request, addr, data);
break;
}
return ret;
}
开发者ID:ysei，项目名称:linux-2.6.x，代码行数:101，代码来源:ptrace.c
示例12: sys_ptrace
//.........这里部分代码省略.........
if (child->exit_state == EXIT_ZOMBIE) /* already dead */
break;
child->exit_code = SIGKILL;
/* make sure the single step bit is not set. */
clear_single_step(child);
wake_up_process(child);
break;
}
case PTRACE_SINGLESTEP: { /* set the trap flag. */
ret = -EIO;
if ((unsigned long) data > _NSIG)
break;
clear_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
set_single_step(child);
child->exit_code = data;
/* give it a chance to run. */
wake_up_process(child);
ret = 0;
break;
}
case PTRACE_DETACH:
ret = ptrace_detach(child, data);
break;
case PPC_PTRACE_GETREGS: { /* Get GPRs 0 - 31. */
int i;
unsigned long *reg = &((unsigned long *)child->thread.regs)[0];
unsigned long __user *tmp = (unsigned long __user *)addr;
for (i = 0; i < 32; i++) {
ret = put_user(*reg, tmp);
if (ret)
break;
reg++;
tmp++;
}
break;
}
case PPC_PTRACE_SETREGS: { /* Set GPRs 0 - 31. */
int i;
unsigned long *reg = &((unsigned long *)child->thread.regs)[0];
unsigned long __user *tmp = (unsigned long __user *)addr;
for (i = 0; i < 32; i++) {
ret = get_user(*reg, tmp);
if (ret)
break;
reg++;
tmp++;
}
break;
}
case PPC_PTRACE_GETFPREGS: { /* Get FPRs 0 - 31. */
int i;
unsigned long *reg = &((unsigned long *)child->thread.fpr)[0];
unsigned long __user *tmp = (unsigned long __user *)addr;
flush_fp_to_thread(child);
for (i = 0; i < 32; i++) {
ret = put_user(*reg, tmp);
if (ret)
break;
reg++;
tmp++;
}
break;
}
case PPC_PTRACE_SETFPREGS: { /* Get FPRs 0 - 31. */
int i;
unsigned long *reg = &((unsigned long *)child->thread.fpr)[0];
unsigned long __user *tmp = (unsigned long __user *)addr;
flush_fp_to_thread(child);
for (i = 0; i < 32; i++) {
ret = get_user(*reg, tmp);
if (ret)
break;
reg++;
tmp++;
}
break;
}
default:
ret = ptrace_request(child, request, addr, data);
break;
}
out_tsk:
put_task_struct(child);
out:
unlock_kernel();
return ret;
}
开发者ID:GodFox，项目名称:magx_kernel_xpixl，代码行数:101，代码来源:ptrace.c
示例13: compat_ptrace_request
int compat_ptrace_request(struct task_struct *child, compat_long_t request,
compat_ulong_t addr, compat_ulong_t data)
{
compat_ulong_t __user *datap = compat_ptr(data);
compat_ulong_t word;
siginfo_t siginfo;
int ret;
switch (request) {
case PTRACE_PEEKTEXT:
case PTRACE_PEEKDATA:
ret = access_process_vm(child, addr, &word, sizeof(word), 0);
if (ret != sizeof(word))
ret = -EIO;
else
ret = put_user(word, datap);
break;
case PTRACE_POKETEXT:
case PTRACE_POKEDATA:
ret = access_process_vm(child, addr, &data, sizeof(data), 1);
ret = (ret != sizeof(data) ? -EIO : 0);
break;
case PTRACE_GETEVENTMSG:
ret = put_user((compat_ulong_t) child->ptrace_message, datap);
break;
case PTRACE_GETSIGINFO:
ret = ptrace_getsiginfo(child, &siginfo);
if (!ret)
ret = copy_siginfo_to_user32(
(struct compat_siginfo __user *) datap,
&siginfo);
break;
case PTRACE_SETSIGINFO:
memset(&siginfo, 0, sizeof siginfo);
if (copy_siginfo_from_user32(
&siginfo, (struct compat_siginfo __user *) datap))
ret = -EFAULT;
else
ret = ptrace_setsiginfo(child, &siginfo);
break;
#ifdef CONFIG_HAVE_ARCH_TRACEHOOK
case PTRACE_GETREGSET:
case PTRACE_SETREGSET:
{
struct iovec kiov;
struct compat_iovec __user *uiov =
(struct compat_iovec __user *) datap;
compat_uptr_t ptr;
compat_size_t len;
if (!access_ok(VERIFY_WRITE, uiov, sizeof(*uiov)))
return -EFAULT;
if (__get_user(ptr, &uiov->iov_base) ||
__get_user(len, &uiov->iov_len))
return -EFAULT;
kiov.iov_base = compat_ptr(ptr);
kiov.iov_len = len;
ret = ptrace_regset(child, request, addr, &kiov);
if (!ret)
ret = __put_user(kiov.iov_len, &uiov->iov_len);
break;
}
#endif
default:
ret = ptrace_request(child, request, addr, data);
}
return ret;
}
开发者ID:grzmot22，项目名称:android_kernel_hp_pine，代码行数:77，代码来源:ptrace.c
示例14: arch_ptrace
//.........这里部分代码省略.........
break;
case FPR_BASE ... FPR_BASE + 31: {
union fpureg *fregs = get_fpu_regs(child);
init_fp_ctx(child);
#ifdef CONFIG_32BIT
if (test_tsk_thread_flag(child, TIF_32BIT_FPREGS)) {
/*
* The odd registers are actually the high
* order bits of the values stored in the even
* registers.
*/
set_fpr32(&fregs[(addr & ~1) - FPR_BASE],
addr & 1, data);
break;
}
#endif
set_fpr64(&fregs[addr - FPR_BASE], 0, data);
break;
}
case PC:
regs->cp0_epc = data;
break;
case MMHI:
regs->hi = data;
break;
case MMLO:
regs->lo = data;
break;
#ifdef CONFIG_CPU_HAS_SMARTMIPS
case ACX:
regs->acx = data;
break;
#endif
case FPC_CSR:
init_fp_ctx(child);
ptrace_setfcr31(child, data);
break;
case DSP_BASE ... DSP_BASE + 5: {
dspreg_t *dregs;
if (!cpu_has_dsp) {
ret = -EIO;
break;
}
dregs = __get_dsp_regs(child);
dregs[addr - DSP_BASE] = data;
break;
}
case DSP_CONTROL:
if (!cpu_has_dsp) {
ret = -EIO;
break;
}
child->thread.dsp.dspcontrol = data;
break;
default:
/* The rest are not allowed. */
ret = -EIO;
break;
}
break;
}
case PTRACE_GETREGS:
ret = ptrace_getregs(child, datavp);
break;
case PTRACE_SETREGS:
ret = ptrace_setregs(child, datavp);
break;
case PTRACE_GETFPREGS:
ret = ptrace_getfpregs(child, datavp);
break;
case PTRACE_SETFPREGS:
ret = ptrace_setfpregs(child, datavp);
break;
case PTRACE_GET_THREAD_AREA:
ret = put_user(task_thread_info(child)->tp_value, datalp);
break;
case PTRACE_GET_WATCH_REGS:
ret = ptrace_get_watch_regs(child, addrp);
break;
case PTRACE_SET_WATCH_REGS:
ret = ptrace_set_watch_regs(child, addrp);
break;
default:
ret = ptrace_request(child, request, addr, data);
break;
}
out:
return ret;
}
开发者ID:0x7f454c46，项目名称:linux，代码行数:101，代码来源:ptrace.c
示例15: sys_ptrace
//.........这里部分代码省略.........
case PTRACE_SYSCALL: /* continue and stop at next (return from) syscall */
case PTRACE_CONT: { /* restart after signal. */
ret = -EIO;
if (!valid_signal(data))
break;
if (request == PTRACE_SYSCALL) {
set_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
} else {
clear_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
}
child->exit_code = data;
/* make sure the single step bit is not set. */
clear_single_step(child);
wake_up_process(child);
ret = 0;
break;
}
/*
* make the child exit. Best I can do is send it a sigkill.
* perhaps it should be put in the status that it wants to
* exit.
*/
case PTRACE_KILL: {
ret = 0;
if (child->exit_state == EXIT_ZOMBIE) /* already dead */
break;
child->exit_code = SIGKILL;
/* make sure the single step bit is not set. */
clear_single_step(child);
wake_up_process(child);
break;
}
case PTRACE_SINGLESTEP: { /* set the trap flag. */
ret = -EIO;
if (!valid_signal(data))
break;
clear_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
set_single_step(child);
child->exit_code = data;
/* give it a chance to run. */
wake_up_process(child);
ret = 0;
break;
}
case PTRACE_DETACH:
ret = ptrace_detach(child, data);
break;
#ifdef CONFIG_ALTIVEC
case PTRACE_GETVRREGS:
/* Get the child altivec register state. */
preempt_disable();
if (child->thread.regs->msr & MSR_VEC)
giveup_altivec(child);
preempt_enable();
ret = get_vrregs((unsigned long __user *)data, child);
break;
case PTRACE_SETVRREGS:
/* Set the child altivec register state. */
/* this is to clear the MSR_VEC bit to force a reload
* of register state from memory */
preempt_disable();
if (child->thread.regs->msr & MSR_VEC)
giveup_altivec(child);
preempt_enable();
ret = set_vrregs(child, (unsigned long __user *)data);
break;
#endif
#ifdef CONFIG_SPE
case PTRACE_GETEVRREGS:
/* Get the child spe register state. */
if (child->thread.regs->msr & MSR_SPE)
giveup_spe(child);
ret = get_evrregs((unsigned long __user *)data, child);
break;
case PTRACE_SETEVRREGS:
/* Set the child spe register state. */
/* this is to clear the MSR_SPE bit to force a reload
* of register state from memory */
if (child->thread.regs->msr & MSR_SPE)
giveup_spe(child);
ret = set_evrregs(child, (unsigned long __user *)data);
break;
#endif
default:
ret = ptrace_request(child, request, addr, data);
break;
}
out_tsk:
put_task_struct(child);
out:
unlock_kernel();
return ret;
}
开发者ID:kzlin129，项目名称:tt-gpl，代码行数:101，代码来源:ptrace.c
示例16: do_ptrace
//.........这里部分代码省略.........
if ((child->thread_info->flags & _TIF_32BIT) != 0)
pc_mask = 0xffffffff;
if (addr & 3) {
pt_error_return(regs, EINVAL);
goto out_tsk;
}
#ifdef DEBUG_PTRACE
printk ("Original: %016lx %016lx\n",
child->thread_info->kregs->tpc,
child->thread_info->kregs->tnpc);
printk ("Continuing with %016lx %016lx\n", addr, addr+4);
#endif
child->thread_info->kregs->tpc = (addr & pc_mask);
child->thread_info->kregs->tnpc = ((addr + 4) & pc_mask);
}
if (request == PTRACE_SYSCALL) {
set_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
} else {
clear_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
}
child->exit_code = data;
#ifdef DEBUG_PTRACE
printk("CONT: %s [%d]: set exit_code = %x %lx %lx\n", child->comm,
child->pid, child->exit_code,
child->thread_info->kregs->tpc,
child->thread_info->kregs->tnpc);
#endif
wake_up_process(child);
pt_succ_return(regs, 0);
goto out_tsk;
}
/*
* make the child exit. Best I can do is send it a sigkill.
* perhaps it should be put in the status that it wants to
* exit.
*/
case PTRACE_KILL: {
if (child->state == TASK_ZOMBIE) { /* already dead */
pt_succ_return(regs, 0);
goto out_tsk;
}
child->exit_code = SIGKILL;
wake_up_process(child);
pt_succ_return(regs, 0);
goto out_tsk;
}
case PTRACE_SUNDETACH: { /* detach a process that was attached. */
int error = ptrace_detach(child, data);
if (error) {
pt_error_return(regs, EIO);
goto out_tsk;
}
pt_succ_return(regs, 0);
goto out_tsk;
}
/* PTRACE_DUMPCORE unsupported... */
default: {
int err = ptrace_request(child, request, addr, data);
if (err)
pt_error_return(regs, -err);
else
pt_succ_return(regs, 0);
goto out_tsk;
}
}
flush_and_out:
{
unsigned long va;
if (tlb_type == cheetah || tlb_type == cheetah_plus) {
for (va = 0; va < (1 << 16); va += (1 << 5))
spitfire_put_dcache_tag(va, 0x0);
/* No need to mess with I-cache on Cheetah. */
} else {
for (va = 0; va < L1DCACHE_SIZE; va += 32)
spitfire_put_dcache_tag(va, 0x0);
if (request == PTRACE_PEEKTEXT ||
request == PTRACE_POKETEXT ||
request == PTRACE_READTEXT ||
request == PTRACE_WRITETEXT) {
for (va = 0; va < (PAGE_SIZE << 1); va += 32)
spitfire_put_icache_tag(va, 0x0);
__asm__ __volatile__("flush %g6");
}
}
}
out_tsk:
if (child)
put_task_struct(child);
out:
unlock_kernel();
}
开发者ID:12019，项目名称:hg556a_source，代码行数:101，代码来源:ptrace.c
示例17: arch_ptrace
//.........这里部分代码省略.........
unsigned long *reg = &((unsigned long *)child->thread.regs)[0];
unsigned long __user *tmp = (unsigned long __user *)addr;
for (i = 0; i < 32; i++) {
ret = put_user(*reg, tmp);
if (ret)
break;
reg++;
tmp++;
}
break;
}
case PPC_PTRACE_SETREGS: { /* Set GPRs 0 - 31. */
int i;
unsigned long *reg = &((unsigned long *)child->thread.regs)[0];
unsigned long __user *tmp = (unsigned long __user *)addr;
for (i = 0; i < 32; i++) {
ret = get_user(*reg, tmp);
if (ret)
break;
reg++;
tmp++;
}
break;
}
case PPC_PTRACE_GETFPREGS: { /* Get FPRs 0 - 31. */
int i;
unsigned long *reg = &((unsigned long *)child->thread.fpr)[0];
unsigned long __user *tmp = (unsigned long __user *)addr;
flush_fp_to_thread(child);
for (i = 0; i < 32; i++) {
ret = put_user(*reg, tmp);
if (ret)
break;
reg++;
tmp++;
}
break;
}
case PPC_PTRACE_SETFPREGS: { /* Get FPRs 0 - 31. */
int i;
unsigned long *reg = &((unsigned long *)child->thread.fpr)[0];
unsigned long __user *tmp = (unsigned long __user *)addr;
flush_fp_to_thread(child);
for (i = 0; i < 32; i++) {
ret = get_user(*reg, tmp);
if (ret)
break;
reg++;
tmp++;
}
break;
}
#ifdef CONFIG_ALTIVEC
case PTRACE_GETVRREGS:
/* Get the child altivec register state. */
flush_altivec_to_thread(child);
ret = get_vrregs((unsigned long __user *)data, child);
break;
case PTRACE_SETVRREGS:
/* Set the child altivec register state. */
flush_altivec_to_thread(child);
ret = set_vrregs(child, (unsigned long __user *)data);
break;
#endif
#ifdef CONFIG_SPE
case PTRACE_GETEVRREGS:
/* Get the child spe register state. */
if (child->thread.regs->msr & MSR_SPE)
giveup_spe(child);
ret = get_evrregs((unsigned long __user *)data, child);
break;
case PTRACE_SETEVRREGS:
/* Set the child spe register state. */
/* this is to clear the MSR_SPE bit to force a reload
* of register state from memory */
if (child->thread.regs->msr & MSR_SPE)
giveup_spe(child);
ret = set_evrregs(child, (unsigned long __user *)data);
break;
#endif
default:
ret = ptrace_request(child, request, addr, data);
break;
}
return ret;
}
开发者ID:ivucica，项目名称:linux，代码行数:101，代码来源:ptrace.c
示例18: arch_ptrace
long arch_ptrace(struct task_struct *child, long request,
unsigned long addr, unsigned long data)
{
unsigned long __user *datap = (long __user __force *)data;
unsigned long tmp;
long ret = -EIO;
char *childreg;
struct pt_regs copyregs;
int ex1_offset;
switch (request) {
case PTRACE_PEEKUSR: /* */
if (addr >= PTREGS_SIZE)
break;
childreg = (char *)task_pt_regs(child) + addr;
#ifdef CONFIG_COMPAT
if (is_compat_task()) {
if (addr & (sizeof(compat_long_t)-1))
break;
ret = put_user(*(compat_long_t *)childreg,
(compat_long_t __user *)datap);
} else
#endif
{
if (addr & (sizeof(long)-1))
break;
ret = put_user(*(long *)childreg, datap);
}
break;
case PTRACE_POKEUSR: /* */
if (addr >= PTREGS_SIZE)
break;
childreg = (char *)task_pt_regs(child) + addr;
/* */
ex1_offset = PTREGS_OFFSET_EX1;
#if defined(CONFIG_COMPAT) && defined(__BIG_ENDIAN)
if (is_compat_task()) /* */
ex1_offset += sizeof(compat_long_t);
#endif
if (addr == ex1_offset)
data = PL_ICS_EX1(USER_PL, EX1_ICS(data));
#ifdef CONFIG_COMPAT
if (is_compat_task()) {
if (addr & (sizeof(compat_long_t)-1))
break;
*(compat_long_t *)childreg = data;
} else
#endif
{
if (addr & (sizeof(long)-1))
break;
*(long *)childreg = data;
}
ret = 0;
break;
case PTRACE_GETREGS: /* */
if (copy_to_user(datap, task_pt_regs(child),
sizeof(struct pt_regs)) == 0) {
ret = 0;
}
break;
case PTRACE_SETREGS: /* */
if (copy_from_user(©regs, datap,
sizeof(struct pt_regs)) == 0) {
copyregs.ex1 =
PL_ICS_EX1(USER_PL, EX1_ICS(copyregs.ex1));
*task_pt_regs(child) = copyregs;
ret = 0;
}
break;
case PTRACE_GETFPREGS: /* */
case PTRACE_SETFPREGS: /* */
break;
case PTRACE_SETOPTIONS:
/* */
child->ptrace &= ~PT_TRACE_MASK_TILE;
tmp = data & PTRACE_O_MASK_TILE;
data &= ~PTRACE_O_MASK_TILE;
ret = ptrace_request(child, request, addr, data);
if (tmp & PTRACE_O_TRACEMIGRATE)
child->ptrace |= PT_TRACE_MIGRATE;
break;
default:
#ifdef CONFIG_COMPAT
if (task_thread_info(current)->status & TS_COMPAT) {
ret = compat_ptrace_request(child, request,
addr, data);
break;
}
#endif
ret = ptrace_request(child, request, addr, data);
//.........这里部分代码省略.........
开发者ID:romanbb，项目名称:android_kernel_lge_d851，代码行数:101，代码来源:ptrace.c
示例19: arch_ptrace
long arch_ptrace(struct task_struct *child, long request,
unsigned long addr, unsigned long data)
{
unsigned long addr2 = current->thread.kregs->u_regs[UREG_I4];
void __user *addr2p;
const struct user_regset_view *view;
struct pt_regs __user *pregs;
struct fps __user *fps;
int ret;
view = task_user_regset_view(current);
addr2p = (void __user *) addr2;
pregs = (struct pt_regs __user *) addr;
fps = (struct fps __user *) addr;
switch(request) {
case PTRACE_GETREGS: {
ret = copy_regset_to_user(child, view, REGSET_GENERAL,
32 * sizeof(u32),
4 * sizeof(u32),
&pregs->psr);
if (!ret)
copy_regset_to_user(child, view, REGSET_GENERAL,
1 * sizeof(u32),
15 * sizeof(u32),
&pregs->u_regs[0]);
break;
}
case PTRACE_SETREGS: {
ret = copy_regset_from_user(child, view, REGSET_GENERAL,
32 * sizeof(u32),
4 * sizeof(u32),
&pregs->psr);
if (!ret)
copy_regset_from_user(child, view, REGSET_GENERAL,
1 * sizeof(u32),
15 * sizeof(u32),
&pregs->u_regs[0]);
break;
}
case PTRACE_GETFPREGS: {
ret = copy_regset_to_user(child, view, REGSET_FP,
0 * sizeof(u32),
32 * sizeof(u32),
&fps->regs[0]);
if (!ret)
ret = copy_regset_to_user(child, view, REGSET_FP,
33 * sizeof(u32),
1 * sizeof(u32),
&fps->fsr);
if (!ret) {
if (__put_user(0, &fps->fpqd) ||
__put_user(0, &fps->flags) ||
__put_user(0, &fps->extra) ||
clear_user(fps->fpq, sizeof(fps->fpq)))
ret = -EFAULT;
}
break;
}
case PTRACE_SETFPREGS: {
ret = copy_regset_from_user(child, view, REGSET_FP,
0 * sizeof(u32),
32 * sizeof(u32),
&fps->regs[0]);
if (!ret)
ret = copy_regset_from_user(child, view, REGSET_FP,
33 * sizeof(u32),
1 * sizeof(u32),
&fps->fsr);
break;
}
case PTRACE_READTEXT:
case PTRACE_READDATA:
ret = ptrace_readdata(child, addr, addr2p, data);
if (ret == data)
ret = 0;
else if (ret >= 0)
ret = -EIO;
break;
case PTRACE_WRITETEXT:
case PTRACE_WRITEDATA:
ret = ptrace_writedata(child, addr2p, addr, data);
if (ret == data)
ret = 0;
else if (ret >= 0)
ret = -EIO;
break;
default:
if (request == PTRACE_SPARC_DETACH)
request = PTRACE_DETACH;
ret = ptrace_request(child, request, addr, data);
//.........这里部分代码省略.........
开发者ID:01org，项目名称:thunderbolt-software-kernel-tree，代码行数:101，代码来源:ptrace_32.c
示例20: arch_ptrace
long arch_ptrace(struct task_struct *child, long request,
unsigned long addr, unsigned long data)
{
return ptrace_request(child, request, addr, data);
}
开发者ID:BlissRoms-Kernels，项目名称:kernel_motorola_BlissPure，代码行数:5，代码来源:ptrace.c
注：本文中的ptrace_request函数示例由纯净天空整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。 |
客服电话
APP下载
官方微信
请发表评论