C++ (Cpp) _fs Examples

Example #1

File: traps.c Project: hhxu/hhxu

static void die(char * str,long esp_ptr,long nr)
{
	long * esp = (long *) esp_ptr;
	int i;

	printk("%s: %04x\n\r",str,nr&0xffff);
	printk("EIP:\t%04x:%p\nEFLAGS:\t%p\nESP:\t%04x:%p\n",
		esp[1],esp[0],esp[2],esp[4],esp[3]);
	printk("fs: %04x\n",_fs());
	printk("code base: %p, limit: %p\n",get_base(current->ldt[1]),get_limit(0x17));
	printk("data base: %p, limit: %p\n",get_base(current->ldt[2]),get_limit(0x17));	
	long line = get_base(current->ldt[1])+esp[0];
	long ph0 = (*(long *)(current->tss.cr3 + ((line>>20) & 0xffc )));
	long ph1 = *(long*)(((line>>10) & 0xffc)+(*(long *)(current->tss.cr3 + ((line>>20) & 0xffc ))));
	printk("line: %p, ph: %p  %p\n",line,ph0,ph1);
	if (esp[4] == 0x17) {
		printk("Stack: ");
		for (i=0;i<4;i++)
			printk("%p ",get_seg_long(0x17,i+(long *)esp[3]));
		printk("\n");
	}
	str(i);
	printk("Pid: %d, process nr: %d\n\r",current->pid,0xffff & i);
	for(i=0;i<10;i++)
		printk("%02x ",0xff & get_seg_byte(esp[1],(i+(char *)esp[0])));
	printk("\n\r");
	do_exit(11);		/* play segment exception */
}

Example #2

File: traps.c Project: ChihMin/linux-0.11

// 该子程序用来打印出错中断的名称、出错号、调用程序的EIP、EFLAGS、ESP、fs段寄存器值、
// 段的基址、段的长度、进程号PID、任务号、10字节指令码。如果堆栈在用户数据段，则还
// 打印16字节的堆栈内容。
static void die(char * str,long esp_ptr,long nr)
{
	long * esp = (long *) esp_ptr;
	int i;

	printk("%s: %04x\n\r",str,nr&0xffff);
    // 下行打印语句显示当前调用进程的CS：EIP、EFLAGS和SS:ESP的值。
    // EIP:\t%04x:%p\n - esp[1]是段选择符(cs)，esp[0]是eip.
    // EFLAGS:\t%p\n - esp[2]是eflags
    // ESP:\t%04x:%p\n - esp[4]是源ss，esp[3]是源esp
	printk("EIP:\t%04x:%p\nEFLAGS:\t%p\nESP:\t%04x:%p\n",
		esp[1],esp[0],esp[2],esp[4],esp[3]);
	printk("fs: %04x\n",_fs());
	printk("base: %p, limit: %p\n",get_base(current->ldt[1]),get_limit(0x17));
	if (esp[4] == 0x17) {
		printk("Stack: ");
		for (i=0;i<4;i++)
			printk("%p ",get_seg_long(0x17,i+(long *)esp[3]));
		printk("\n");
	}
	str(i);                 // 取当前运行任务的任务号
	printk("Pid: %d, process nr: %d\n\r",current->pid,0xffff & i);
	for(i=0;i<10;i++)
		printk("%02x ",0xff & get_seg_byte(esp[1],(i+(char *)esp[0])));
	printk("\n\r");
	do_exit(11);		/* play segment exception */
}

Example #3

File: traps.c Project: jacobishao/linux-0.11

// 该子程序用来打印出错中断的名称、出错号、调用程序的EIP、EFLAGS、ESP、fs寄存器值、
// 段的基址、段的长度、进程号pid、任务号、10字节指令码。如果堆栈在用户数据段，则还
// 打印16字节的堆栈内容。
static void die(char * str,long esp_ptr,long nr)
{
	long * esp = (long *) esp_ptr;
	int i;

	printk("%s: %04x\n\r",str,nr&0xffff);
// 下行打印语句显示当前调用进程的CS:EIP、EFLAGS和SS:ESP的值。参照图8-4，这里esp[0]即为
// 图中的esp0位置。因此我们把这句拆分开来看为：
// 1）EIP:\t%04x:%p\n	--	esp[1]是段选择符(cs)，esp[0]是eip
// 2）EFLAGS:\t%p		--	esp[2]是EFLAGS
// 3）ESP:\t%04x:%p\n	--	esp[4]是原ss,esp[3]是原esp
	printk("EIP:\t%04x:%p\nEFLAGS:\t%p\nESP:\t%04x:%p\n",
		esp[1],esp[0],esp[2],esp[4],esp[3]);
	printk("fs: %04x\n",_fs());
	printk("base: %p, limit: %p\n",get_base(current->ldt[1]),get_limit(0x17));
	if (esp[4] == 0x17) {
		printk("Stack: ");
		for (i=0;i<4;i++)
			printk("%p ",get_seg_long(0x17,i+(long *)esp[3]));
		printk("\n");
	}
	str(i);						// 取当前运行任务的任务号(include/linux/sched.h 159)
	printk("Pid: %d, process nr: %d\n\r",current->pid,0xffff & i);
	for(i=0;i<10;i++)
		printk("%02x ",0xff & get_seg_byte(esp[1],(i+(char *)esp[0])));
	printk("\n\r");
	do_exit(11);		/* play segment exception */
}

Example #4

File: Charge.cpp Project: seanmitchellmcdonald/Theremin_Inspector_v3

FieldShift Charge::fieldshift(Charge _charge[], int _nbCharges)
{
	ofVec3f shift;
	shift.set(0,0,0);
	ofVec3f delta;
	ofVec3f vec;
	
	float dist2, intens;
	int cTrap = 0;
	bool trapped = false;
	
	for ( int c = 0; c < _nbCharges; c++)
	{
		delta.set(_charge[c].x,_charge[c].y,_charge[c].z);

		delta.x -= x;
		delta.y -= y;
		delta.z -= z;
		
		//compute normal squared
		dist2 = (delta.x*delta.x + delta.y*delta.y + delta.z*delta.z);
		
		intens = (-_charge[c].magn*magn/dist2);
		
		if (dist2 < dMin2)
		{
			trapped = true;
			cTrap = c;
			break;
		}

		vec.set(delta.x,delta.y,delta.z);
		vec *= intens;
		shift += vec;
		
	}
	
	FieldShift _fs (shift,trapped,cTrap);
	
	return _fs;
}

Example #5

File: traps.c Project: lonelycorn/linux-0.11

static void die(char * str,long esp_ptr,long nr)
{
	long * esp = (long *) esp_ptr;
	int i;

	printk("%s: %04x\n\r",str,nr&0xffff);
	printk("EIP:\t%04x:%p\nEFLAGS:\t%p\nESP:\t%04x:%p\n",
		esp[1],esp[0],esp[2],esp[4],esp[3]);
	printk("fs: %04x\n",_fs());
	printk("base: %p, limit: %p\n",get_base(current->ldt[1]),get_limit(0x17));
	if (esp[4] == 0x17) {
		printk("Stack: ");
		for (i=0;i<4;i++)
			printk("%p ",get_seg_long(0x17,i+(long *)esp[3]));
		printk("\n");
	}
	str(i);
	printk("Pid: %d, process nr: %d\n\r",current->pid,0xffff & i);
	for(i=0;i<10;i++)
		printk("%02x ",0xff & get_seg_byte(esp[1],(i+(char *)esp[0])));
	printk("\n\r");
	do_exit(11);		/* play segment exception */
}