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Published on 2010-04-20T04:26:44Z
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Do name or location of it's header file give this information? Platforms: Unix
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In this blog post I show the full stack tracing of Brendan Gregg's
php_syscolors.d script in the DTrace
Toolkit. The Toolkit contains a dozen very useful PHP DTrace
scripts and many more scripts for other languages and the OS.
For this example, I'll trace the PHP micro framework Silex, which…
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is it possible to write a single character using a syscall from within an inline assembly block? if so, how? it should look "something" like this:
__asm__ __volatile__
(
" movl $1, %%edx \n\t"
" movl $80, %%ecx \n\t"
…
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im trying find out substring and first occurrence indices. but something wrong. im comparing each element of pattern array and each element of string array until pointer reach to '\0'. and if any characater found it keep in temp array. and increasing pointers +1. whats the problem. algorithm is totaly…
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I'm trying to implement a syscall in Linux (RedHat Enterprise 8) and I'm a bit confused about the way it works. From what I understand, I implement a wrapper in user mode which puts the syscall number in eax and parameters in ebx, ecx, edx, etc, and then invokes int 0x80 which calls the appropriate…
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I'm writing a MIPS assembly code that will ask the user for the file name and it will produce some statistics about the content of the file.
However, when I hard code the file name into a variable from the beginning it works just fine, but when I ask the user to input the file name it does not work…
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