Yuki Sakamoto YukiSakamoto

Ph.D in science. Interested in computational chemistry of functional molecules and crystals.

YukiSakamoto / clistup.c

Created September 12, 2012 11:21

pass numpy-object into C modules via cython

	#include <stdio.h>

	void listup(int *array, int size)
	{
	int i;
	for(i = 0; i < size; i++) {
	printf("%d\n", *(array + i));
	}
	}

YukiSakamoto / random.c

Created September 24, 2012 14:22

Disable ASLR on MacOSX

	#include <stdio.h>

	/*
	This source is testing for address layout randomization.
	If ASLR is enabled, output of this program will be variable.
	*/

	int main(void)
	{
	printf("%p\n", main);

YukiSakamoto / random.c

Created October 21, 2012 02:32

Disable ASLR secondver.

	#include <stdio.h>

	/*
	This source is testing for address layout randomization.
	If ASLR is enabled, output of this program will be variable.
	*/

	int main(void)
	{
	printf("%p\n", main);

YukiSakamoto / disasm.c

Created November 1, 2012 16:13

use libudis86

	#include <stdio.h>
	#include <udis86.h>

	void fill_nop(unsigned char *array, size_t size)
	{
	int i;
	if (array != NULL && 0 < size) {
	for(i = 0; i < size; i++) {
	*(array + i) = (unsigned int) 0x90;
	}

YukiSakamoto / makefile

Created November 6, 2012 15:54

json parsing via pficommon::text::json

	all:
	g++ ./test_json.cpp -lpficommon_text -o test_json

	go:
	./test_json

YukiSakamoto / boost_test_sample.cpp

Created November 25, 2012 10:23

Boost.Test sample

	#define BOOST_TEST_MODULE "Hogehoge"

	#define BOOST_TEST_NO_LIB
	#include <vector>
	#include <boost/test/included/unit_test.hpp>


	using namespace std;

	// テストの名前

YukiSakamoto / rdtsc.c

Created December 6, 2012 16:08

Read Time Stamp Counter of IA-64

YukiSakamoto / Result_on_my_MacBookAir.txt

Created December 8, 2012 07:26

Using CPUID instruction, and survey functions of my computer's cpu.

YukiSakamoto / disasm.txt

Last active December 18, 2015 14:38

I could compile this code, but couldn't execute because of bus error.


	./a.out: ファイル形式 mach-o-x86-64


	セクション .text の逆アセンブル:

	0000000100000eb0 <start>:
	100000eb0: 6a 00 pushq $0x0
	100000eb2: 48 89 e5 mov %rsp,%rbp
	100000eb5: 48 83 e4 f0 and $0xfffffffffffffff0,%rsp

YukiSakamoto / mapk.gif

Last active December 18, 2015 21:49

mapk