Re: Reg. Stack allocation and profiling tools in X86

Ian Rogers <irogers@cs.man.ac.uk>
14 Sep 2004 16:56:59 -0400

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Reg. Stack allocation and profiling tools in X86 gtg418c@mail.gatech.edu (Subramanian Ramaswamy) (2004-09-13)
Re: Reg. Stack allocation and profiling tools in X86 irogers@cs.man.ac.uk (Ian Rogers) (2004-09-14)
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From: Ian Rogers <irogers@cs.man.ac.uk>
Newsgroups: comp.compilers
Date: 14 Sep 2004 16:56:59 -0400
Organization: Dept of Computer Science, University of Manchester, U.K.
References: 04-09-081
Keywords: 386, storage
Posted-Date: 14 Sep 2004 16:56:59 EDT

You can watch the memory allocated to a process in
"/proc/<process_id>/maps" on Linux. X86 stacks grow down and the heap
(top of bss - set by brk) grows up. You also have mmap, which is used to
allocate arbitrary pages of memory.


Ian


Subramanian Ramaswamy wrote:
> Hi,
>
> How is the heap and stack size allocated in X86? Do they start off at
> both ends and keep coming towards each other as they grow as in MIPS?
>
> If it is like above, is there any profiling tool that will help me
> figure out the maximum stack size for benchmarks on X86, so I can filter
> out all the stack references from the memory trace I plan to generate.


> [It varies from one operating system to another. -John]
>


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