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Bug 914253 patch 2 - Pull opening comment from fix-linux-stack.pl. No review.

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This commit is contained in:
L. David Baron
2014-08-06 15:52:48 -07:00
parent 2231e505ed
commit 484085004b
1 changed files with 8 additions and 6 deletions
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14
tools/rb/fix_linux_stack.py
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@@ -4,13 +4,15 @@
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at http://mozilla.org/MPL/2.0/.
# This script uses atos to process the output of nsTraceRefcnt's Mac OS
# X stack walking code. This is useful for two things:
# This script uses addr2line (part of binutils) to process the output of
# nsTraceRefcnt's Linux stack walking code. This is useful for two
# things:
# (1) Getting line number information out of
# |nsTraceRefcntImpl::WalkTheStack|'s output in debug builds.
# (2) Getting function names out of |nsTraceRefcntImpl::WalkTheStack|'s
# output on all builds (where it mostly prints UNKNOWN because only
# a handful of symbols are exported from component libraries).
# |nsTraceRefcnt::WalkTheStack|'s output in debug builds.
# (2) Getting function names out of |nsTraceRefcnt::WalkTheStack|'s
# output on optimized builds (where it mostly prints UNKNOWN
# because only a handful of symbols are exported from component
# libraries).
#
# Use the script by piping output containing stacks (such as raw stacks
# or make-tree.pl balance trees) through this script.