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Diffstat (limited to 'Build/source/libs/icu/icu-50.1/tools/memcheck/ICUMemCheck.pl')
-rwxr-xr-x | Build/source/libs/icu/icu-50.1/tools/memcheck/ICUMemCheck.pl | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/Build/source/libs/icu/icu-50.1/tools/memcheck/ICUMemCheck.pl b/Build/source/libs/icu/icu-50.1/tools/memcheck/ICUMemCheck.pl new file mode 100755 index 00000000000..ea9c14862f0 --- /dev/null +++ b/Build/source/libs/icu/icu-50.1/tools/memcheck/ICUMemCheck.pl @@ -0,0 +1,68 @@ +# *********************************************************************** +# * COPYRIGHT: +# * Copyright (c) 2004-2006, International Business Machines Corporation +# * and others. All Rights Reserved. +# *********************************************************************** +# +# This perl script checks for correct memory function usage in ICU library code. +# It works with Linux builds of ICU using gcc. +# +# To run it, +# 1. Build ICU +# 2. cd icu/source +# 3. perl ICUMemCheck.pl +# +# All object files containing direct references to C or C++ runtime library memory +# functions will be listed in the output. +# +# For ICU 3.6, the expected output is +# common/uniset.o U operator delete(void*) +# common/unifilt.o U operator delete(void*) +# common/cmemory.o U malloc +# common/cmemory.o U free +# i18n/strrepl.o U operator delete(void*) +# layout/LEFontInstance.o U operator delete(void*) +# layout/LEGlyphStorage.o U operator delete(void*) +# layout/LayoutEngine.o U operator delete(void*) +# +# cmemory.c Expected failures from uprv_malloc, uprv_free implementation. +# uniset.cpp Fails because of SymbolTable::~SymbolTable() +# unifilt.cpp Fails because of UnicodeMatcher::~UnicodeMatcher() +# strrepl.cpp Fails because of UnicodeReplacer::~UnicodeReplacer() +# LayoutEngine.cpp Fails because of LEGlyphFilter::~LEGlyphFilter() +# LEGlyphStorage.cpp Fails because of LEInsertionCallback::~LEInsertionCallback() +# LEFontInstance.cpp Fails because of LECharMapper::~LECharMapper +# +# To verify that no additional problems exist in the .cpp files, #ifdef out the +# offending destructors, rebuild icu, and re-run the tool. The problems should +# be gone. +# +# The problem destructors all are for mix-in style interface classes. +# These classes can not derive from UObject or UMemory because of multiple-inheritance +# problems, so they don't get the ICU memory functions. The delete code +# in the destructors will never be called because stand-alone instances of +# the classes cannot exist. +# +$fileNames = `find common i18n layout io -name "*.o" -print`; +foreach $f (split('\n', $fileNames)) { + $symbols = `nm -u -C $f`; + if ($symbols =~ /U +operator delete\(void\*\)/) { + print "$f $&\n"; + } + if ($symbols =~ /U +operator delete\[\]\(void\*\)/) { + print "$f $&\n"; + } + if ($symbols =~ /U +operator new\(unsigned int\)/) { + print "$f $&\n"; + } + if ($symbols =~ /U +operator new\[\]\(unsigned int\)/) { + print "$f $&\n"; + } + if ($symbols =~ /U +malloc.*/) { + print "$f $&\n"; + } + if ($symbols =~ /U +free.*/) { + print "$f $&\n"; + } + +} |