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[Bug gdb/15934] New: Keep directories for argv[0]
- From: "jan.kratochvil at redhat dot com" <sourceware-bugzilla at sourceware dot org>
- To: gdb-prs at sourceware dot org
- Date: Thu, 05 Sep 2013 13:07:13 +0000
- Subject: [Bug gdb/15934] New: Keep directories for argv[0]
- Auto-submitted: auto-generated
https://sourceware.org/bugzilla/show_bug.cgi?id=15934
Bug ID: 15934
Summary: Keep directories for argv[0]
Product: gdb
Version: HEAD
Status: NEW
Severity: minor
Priority: P2
Component: gdb
Assignee: unassigned at sourceware dot org
Reporter: jan.kratochvil at redhat dot com
Re: [commit+7.6.1] [patch] [7.6.1] Fix argv[0] symlink regression (PR 15415)
https://sourceware.org/ml/gdb-patches/2013-09/msg00138.html
Message-ID: <52276600.7010706@redhat.com>
3 <null> /home/pedro/gdb/mygit/build/gdb/./gdbserver/../gdb
2 <null> /home/pedro/gdb/mygit/build/gdb/./gdb
Problem #1: ./ could be removed/simplified.
Problem #2: gdbserver/../ could be also removed/simplified
But argv[0] should be kept possibly unchanged from the user input.
This also means argv[0] should be kept in relative (not absolute pathname)
form; but GDB should better display absolute pathnames to user, which will not
match argv[0] much.
Going to use gdb_realpath_keepfile() (former xfullpath()) so the directories
get lost even for inferior argv[0]. Inferiors care only about exact basename
in argv[0] anyway.
The goal of this PR fix would be to pass argv[0] unchanged to inferior while
still displaying it to user in both convenient (canonical absolute form) but
also the exact argv[0] form (original form, even if relative).
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