Date: Thu, 11 Jan 2001 10:10:16 -0500 (EST) From: Zhiui Zhang <zzhang@cs.binghamton.edu> To: freebsd-hackers@freebsd.org Subject: Process virtual memory question Message-ID: <Pine.SOL.4.21.0101111008490.22923-100000@jade>
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Although the 4.4 BSD design and implementation book says the text part of a process starts from 0x0000,0000, it actually starts from some place around 0x800,0000 (or 0x8048000 to be exact). What's in the area between 0 - 0x800,0000? Why do we not use it if it is left empty as shown by /proc/pid/map? How is the magic number 0x8048000 determined? Thanks. -Zhihui To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message
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