C++ (Cpp) do_fault_error示例

示例#1

文件： fault.c 项目： 1n00bB/android_kernel_lenovo_a6010

void __kprobes do_protection_exception(struct pt_regs *regs)
{
	unsigned long trans_exc_code;
	int fault;

	trans_exc_code = regs->int_parm_long;
	/*
	 * Protection exceptions are suppressing, decrement psw address.
	 * The exception to this rule are aborted transactions, for these
	 * the PSW already points to the correct location.
	 */
	if (!(regs->int_code & 0x200))
		regs->psw.addr = __rewind_psw(regs->psw, regs->int_code >> 16);
	/*
	 * Check for low-address protection.  This needs to be treated
	 * as a special case because the translation exception code
	 * field is not guaranteed to contain valid data in this case.
	 */
	if (unlikely(!(trans_exc_code & 4))) {
		do_low_address(regs);
		return;
	}
	fault = do_exception(regs, VM_WRITE);
	if (unlikely(fault))
		do_fault_error(regs, fault);
}

示例#2

文件： fault.c 项目： Daniel-Abrecht/linux

void do_protection_exception(struct pt_regs *regs)
{
	unsigned long trans_exc_code;
	int access, fault;

	trans_exc_code = regs->int_parm_long;
	/*
	 * Protection exceptions are suppressing, decrement psw address.
	 * The exception to this rule are aborted transactions, for these
	 * the PSW already points to the correct location.
	 */
	if (!(regs->int_code & 0x200))
		regs->psw.addr = __rewind_psw(regs->psw, regs->int_code >> 16);
	/*
	 * Check for low-address protection.  This needs to be treated
	 * as a special case because the translation exception code
	 * field is not guaranteed to contain valid data in this case.
	 */
	if (unlikely(!(trans_exc_code & 4))) {
		do_low_address(regs);
		return;
	}
	if (unlikely(MACHINE_HAS_NX && (trans_exc_code & 0x80))) {
		regs->int_parm_long = (trans_exc_code & ~PAGE_MASK) |
					(regs->psw.addr & PAGE_MASK);
		access = VM_EXEC;
		fault = VM_FAULT_BADACCESS;
	} else {
		access = VM_WRITE;
		fault = do_exception(regs, access);
	}
	if (unlikely(fault))
		do_fault_error(regs, access, fault);
}

示例#3

文件： fault.c 项目： turter99/android_kernel_samsung_jaltektt_perseus_4.2.2

void __kprobes do_dat_exception(struct pt_regs *regs)
{
	int access, fault;

	access = VM_READ | VM_EXEC | VM_WRITE;
	fault = do_exception(regs, access);
	if (unlikely(fault))
		do_fault_error(regs, fault);
}

示例#4

文件： fault.c 项目： AmeriCanAndroid/aca-evo3d-gsm-omega-3.0-mdj

void __kprobes do_dat_exception(struct pt_regs *regs, long pgm_int_code,
				unsigned long trans_exc_code)
{
	int access, fault;

	access = VM_READ | VM_EXEC | VM_WRITE;
	fault = do_exception(regs, access, trans_exc_code);
	if (unlikely(fault))
		do_fault_error(regs, pgm_int_code & 255, trans_exc_code, fault);
}

示例#5

文件： fault.c 项目： Blackburn29/PsycoKernel

void __kprobes do_protection_exception(struct pt_regs *regs)
{
	unsigned long trans_exc_code;
	int fault;

	trans_exc_code = regs->int_parm_long;
	
	regs->psw.addr = __rewind_psw(regs->psw, regs->int_code >> 16);
	if (unlikely(!(trans_exc_code & 4))) {
		do_low_address(regs);
		return;
	}
	fault = do_exception(regs, VM_WRITE);
	if (unlikely(fault))
		do_fault_error(regs, fault);
}

示例#6

文件： fault.c 项目： AmeriCanAndroid/aca-evo3d-gsm-omega-3.0-mdj

void __kprobes do_protection_exception(struct pt_regs *regs, long pgm_int_code,
				       unsigned long trans_exc_code)
{
	int fault;

	/* Protection exception is suppressing, decrement psw address. */
	regs->psw.addr -= (pgm_int_code >> 16);
	/*
	 * Check for low-address protection.  This needs to be treated
	 * as a special case because the translation exception code
	 * field is not guaranteed to contain valid data in this case.
	 */
	if (unlikely(!(trans_exc_code & 4))) {
		do_low_address(regs, pgm_int_code, trans_exc_code);
		return;
	}
	fault = do_exception(regs, VM_WRITE, trans_exc_code);
	if (unlikely(fault))
		do_fault_error(regs, 4, trans_exc_code, fault);
}