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Apple Interview Question for Software Engineer / Developers


Team: Kernel
Country: United States
Interview Type: In-Person



Comment hidden because of low score. Click to expand.
1
of 1 vote

Walk the Frame pointer. Frame structure is of the format.

struct i386_frame {
	void *func;
	struct i386_frame *next;
};

- Sreekanth November 20, 2013 | Flag Reply
Comment hidden because of low score. Click to expand.
0
of 0 vote

bt in gdb

- = November 14, 2013 | Flag Reply
Comment hidden because of low score. Click to expand.
0
of 0 votes

No, how would you create bt in assembly if you didn't have gdb or any debugging tools. Assume you're writing everything from scratch

- ootah November 14, 2013 | Flag
Comment hidden because of low score. Click to expand.
0
of 0 vote

Not sure if I am getting it right. But, I guess just returning current stack of program should be fine. You just need to keep track of line of code for each stack though.

- mindless monk November 14, 2013 | Flag Reply
Comment hidden because of low score. Click to expand.
0
of 0 votes

The stack gets you the raw data, correct. But how would you know which functions were called and what are the local variables and parameters? ;)

Keeping track of each line of code is not necessary. Assume that the instructions are still stored in memory. You need to find out what they are.

- ootah November 14, 2013 | Flag
Comment hidden because of low score. Click to expand.
0
of 0 vote

Thread.CurrentThread().printStackTrace()

- Anonymous May 02, 2015 | Flag Reply


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