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selfmod2.c
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selfmod2.c
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#include <string.h>
#include <stdio.h>
int hello = 0;
void foo()
{
if (!hello) {
hello = 1;
printf("Hello\n");
}
__asm__("nop");
__asm__("nop");
__asm__("nop");
__asm__("nop");
__asm__("nop");
__asm__("nop");
__asm__("nop");
__asm__("nop");
__asm__("nop");
__asm__("nop");
__asm__("nop");
__asm__("nop");
__asm__("nop");
__asm__("nop");
__asm__("nop");
__asm__("nop");
__asm__("nop");
__asm__("nop");
__asm__("nop");
__asm__("nop");
__asm__("nop");
__asm__("nop");
__asm__("nop");
__asm__("nop");
__asm__("nop");
__asm__("nop");
__asm__("nop");
}
void bar()
{
printf("World\n");
}
void baz()
{
}
int main()
{
foo();
foo();
foo();
foo();
foo();
foo();
foo();
foo();
foo();
foo();
foo();
foo();
foo();
foo();
foo();
foo();
foo();
memcpy(foo,bar, baz-bar);
foo();
return 0;
}