abi_check.cc: Pull shell fragments out into...
2002-09-16 Phil Edwards <pme@gcc.gnu.org> * testsuite/abi_check.cc: Pull shell fragments out into... * config/abi/extract_symvers: ...here. New file. * Makefile.am (check_abi): Change to match. (new-abi-baseline): New target. * Makefile.in: Regenerated. From-SVN: r57208
This commit is contained in:
Phil Edwards
parent
d57551c71b
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@ -1,3 +1,11 @@
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2002-09-16 Phil Edwards <pme@gcc.gnu.org>
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* testsuite/abi_check.cc: Pull shell fragments out into...
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* config/abi/extract_symvers: ...here. New file.
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* Makefile.am (check_abi): Change to match.
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(new-abi-baseline): New target.
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* Makefile.in: Regenerated.
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2002-09-16 Richard Henderson <rth@redhat.com>
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* include/std/std_limits.h (__glibcpp_f32_denorm_min_bytes,
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@ -46,10 +46,25 @@ check-script-install: $(top_builddir)/mkcheck
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cd testsuite; \
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@glibcpp_builddir@/mkcheck 1)
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# Use 'new-abi-baseline' to create an initial symbol file. Then run
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# 'check-abi' to test for changes against that file.
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baseline_file = @baseline_file@
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check-abi: $(top_builddir)/testsuite/abi_check
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-(cd testsuite; \
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./abi_check ${baseline_file})
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${top_srcdir}/config/abi/extract_symvers \
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../src/.libs/libstdc++.so \
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./current_symbols.txt && \
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./abi_check --check ./current_symbols.txt ${baseline_file})
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new-abi-baseline:
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-@(output=${baseline_file}; \
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if test -f $${output}; then \
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output=$${output}.new; \
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t=`echo $${output} | sed 's=.*config/abi/=='`; \
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echo "Baseline file already exists, writing to $${t} instead."; \
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fi; \
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${top_srcdir}/config/abi/extract_symvers \
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src/.libs/libstdc++.so $${output})
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# These rules are messy, but are hella worth it.
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doxygen:
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@ -1,4 +1,4 @@
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# Makefile.in generated automatically by automake 1.4-p5 from Makefile.am
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# Makefile.in generated automatically by automake 1.4-p6 from Makefile.am
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# Copyright (C) 1994, 1995-8, 1999, 2001 Free Software Foundation, Inc.
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# This Makefile.in is free software; the Free Software Foundation
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@ -141,6 +141,8 @@ mkinstalldirs = $(SHELL) $(toplevel_srcdir)/mkinstalldirs
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PWD = $${PWDCMD-pwd}
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# Use 'new-abi-baseline' to create an initial symbol file. Then run
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# 'check-abi' to test for changes against that file.
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baseline_file = @baseline_file@
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# Multilib support.
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@ -157,44 +159,7 @@ MULTICLEAN = true
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# Work around what appears to be a GNU make bug handling MAKEFLAGS
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# values defined in terms of make variables, as is the case for CC and
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# friends when we are called from the top level Makefile.
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AM_MAKEFLAGS = \
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"AR_FLAGS=$(AR_FLAGS)" \
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"CC_FOR_BUILD=$(CC_FOR_BUILD)" \
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"CC_FOR_TARGET=$(CC_FOR_TARGET)" \
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"CFLAGS=$(CFLAGS)" \
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"CXXFLAGS=$(CXXFLAGS)" \
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"CFLAGS_FOR_BUILD=$(CFLAGS_FOR_BUILD)" \
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"CFLAGS_FOR_TARGET=$(CFLAGS_FOR_TARGET)" \
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"INSTALL=$(INSTALL)" \
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"INSTALL_DATA=$(INSTALL_DATA)" \
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"INSTALL_PROGRAM=$(INSTALL_PROGRAM)" \
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"INSTALL_SCRIPT=$(INSTALL_SCRIPT)" \
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"LDFLAGS=$(LDFLAGS)" \
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"LIBCFLAGS=$(LIBCFLAGS)" \
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"LIBCFLAGS_FOR_TARGET=$(LIBCFLAGS_FOR_TARGET)" \
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"MAKE=$(MAKE)" \
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"MAKEINFO=$(MAKEINFO) $(MAKEINFOFLAGS)" \
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"PICFLAG=$(PICFLAG)" \
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"PICFLAG_FOR_TARGET=$(PICFLAG_FOR_TARGET)" \
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"SHELL=$(SHELL)" \
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"RUNTESTFLAGS=$(RUNTESTFLAGS)" \
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"exec_prefix=$(exec_prefix)" \
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"infodir=$(infodir)" \
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"libdir=$(libdir)" \
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"includedir=$(includedir)" \
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"prefix=$(prefix)" \
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"tooldir=$(tooldir)" \
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"AR=$(AR)" \
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"AS=$(AS)" \
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"LD=$(LD)" \
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"LIBCFLAGS=$(LIBCFLAGS)" \
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"PICFLAG=$(PICFLAG)" \
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"RANLIB=$(RANLIB)" \
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"NM=$(NM)" \
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"NM_FOR_BUILD=$(NM_FOR_BUILD)" \
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"NM_FOR_TARGET=$(NM_FOR_TARGET)" \
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"DESTDIR=$(DESTDIR)" \
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"WERROR=$(WERROR)"
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AM_MAKEFLAGS = "AR_FLAGS=$(AR_FLAGS)" "CC_FOR_BUILD=$(CC_FOR_BUILD)" "CC_FOR_TARGET=$(CC_FOR_TARGET)" "CFLAGS=$(CFLAGS)" "CXXFLAGS=$(CXXFLAGS)" "CFLAGS_FOR_BUILD=$(CFLAGS_FOR_BUILD)" "CFLAGS_FOR_TARGET=$(CFLAGS_FOR_TARGET)" "INSTALL=$(INSTALL)" "INSTALL_DATA=$(INSTALL_DATA)" "INSTALL_PROGRAM=$(INSTALL_PROGRAM)" "INSTALL_SCRIPT=$(INSTALL_SCRIPT)" "LDFLAGS=$(LDFLAGS)" "LIBCFLAGS=$(LIBCFLAGS)" "LIBCFLAGS_FOR_TARGET=$(LIBCFLAGS_FOR_TARGET)" "MAKE=$(MAKE)" "MAKEINFO=$(MAKEINFO) $(MAKEINFOFLAGS)" "PICFLAG=$(PICFLAG)" "PICFLAG_FOR_TARGET=$(PICFLAG_FOR_TARGET)" "SHELL=$(SHELL)" "RUNTESTFLAGS=$(RUNTESTFLAGS)" "exec_prefix=$(exec_prefix)" "infodir=$(infodir)" "libdir=$(libdir)" "includedir=$(includedir)" "prefix=$(prefix)" "tooldir=$(tooldir)" "AR=$(AR)" "AS=$(AS)" "LD=$(LD)" "LIBCFLAGS=$(LIBCFLAGS)" "PICFLAG=$(PICFLAG)" "RANLIB=$(RANLIB)" "NM=$(NM)" "NM_FOR_BUILD=$(NM_FOR_BUILD)" "NM_FOR_TARGET=$(NM_FOR_TARGET)" "DESTDIR=$(DESTDIR)" "WERROR=$(WERROR)"
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# Subdir rules rely on $(FLAGS_TO_PASS)
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@ -209,7 +174,7 @@ mkcheck.in testsuite_flags.in
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DISTFILES = $(DIST_COMMON) $(SOURCES) $(HEADERS) $(TEXINFOS) $(EXTRA_DIST)
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TAR = gtar
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TAR = tar
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GZIP_ENV = --best
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all: all-redirect
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.SUFFIXES:
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@ -486,7 +451,20 @@ check-script-install: $(top_builddir)/mkcheck
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@glibcpp_builddir@/mkcheck 1)
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check-abi: $(top_builddir)/testsuite/abi_check
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-(cd testsuite; \
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./abi_check ${baseline_file})
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${top_srcdir}/config/abi/extract_symvers \
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../src/.libs/libstdc++.so \
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./current_symbols.txt && \
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./abi_check --check ./current_symbols.txt ${baseline_file})
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new-abi-baseline:
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-@(output=${baseline_file}; \
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if test -f $${output}; then \
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output=$${output}.new; \
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t=`echo $${output} | sed 's=.*config/abi/=='`; \
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echo "Baseline file already exists, writing to $${t} instead."; \
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fi; \
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${top_srcdir}/config/abi/extract_symvers \
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src/.libs/libstdc++.so $${output})
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# These rules are messy, but are hella worth it.
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doxygen:
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64
libstdc++-v3/config/abi/extract_symvers
Executable file
64
libstdc++-v3/config/abi/extract_symvers
Executable file
@ -0,0 +1,64 @@
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#!/bin/sh
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# Copyright (C) 2002 Free Software Foundation, Inc.
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#
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# This file is part of the GNU ISO C++ Library. This library is free
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# software; you can redistribute it and/or modify it under the
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# terms of the GNU General Public License as published by the
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# Free Software Foundation; either version 2, or (at your option)
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# any later version.
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#
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# This library is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License along
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# with this library; see the file COPYING. If not, write to the Free
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# Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
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# USA.
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#
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# As a special exception, you may use this file as part of a free software
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# library without restriction. Specifically, if other files instantiate
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# templates or use macros or inline functions from this file, or you compile
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# this file and link it with other files to produce an executable, this
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# file does not by itself cause the resulting executable to be covered by
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# the GNU General Public License. This exception does not however
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# invalidate any other reasons why the executable file might be covered by
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# the GNU General Public License.
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if test ${#} -lt 2 || test $1 = '--help'; then
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echo "Usage: extract_symvers shared_lib output_file" 1>&2
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exit 1
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fi
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lib=$1
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output=$2
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# GNU binutils, somewhere after version 2.11.2, requires -W/--wide to avoid
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# default line truncation. -W is not supported and truncation did not occur
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# by default before that point.
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readelf="readelf --symbols"
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if readelf --help | grep -- --wide > /dev/null; then
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readelf="$readelf --wide"
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fi
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# This avoids weird sorting problems later.
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export LC_ALL=C
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tmp=extract.$$
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${readelf} ${lib} | sed '/\.dynsym/,/^$/p;d' | egrep -v ' (LOCAL|UND) ' |\
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awk '{ if ($4 == "FUNC" || $4 == "NOTYPE")
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printf "%s:%s\n", $4, $8;
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else if ($4 == "OBJECT")
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printf "%s:%s:%s\n", $4, $3, $8;
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}' | sort | uniq > $tmp 2>&1
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# else printf "Huh? What is %s?\n", $8;
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# I think we'll be doing some more with this file, but for now, dump.
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mv $tmp $output
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exit 0
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@ -28,6 +28,8 @@
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// the GNU General Public License.
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// Benjamin Kosnik <bkoz@redhat.com>
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// Blame subsequent hacks on Loren J. Rittle <ljrittle@acm.org>, Phil
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// Edwards <pme@gcc.gnu.org>, and a cast of dozens at libstdc++@gcc.gnu.org.
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#include <string>
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#include <ext/hash_map>
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@ -259,63 +261,41 @@ report_symbol_info(const symbol_info& symbol, std::size_t n)
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cout << endl;
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}
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int main(int argc, char** argv)
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int
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main(int argc, char** argv)
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{
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using namespace std;
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// Get arguments.
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if (argc != 2)
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// Get arguments. (Heading towards getopt_long, I can feel it.)
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string argv1;
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if (argc < 4 || (string("--help") == (argv1 = argv[1])))
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{
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cerr << "Usage: abi_check baseline_file" << endl;
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cerr << "Usage: abi_check --check cur baseline\n"
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" --help\n\n"
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"Where CUR is a file containing the current results from\n"
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"extract_symvers, and BASELINE is one from config/abi.\n"
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<< endl;
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exit(1);
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}
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const char* baseline_file = argv[1];
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const char* test_file = "current_symbols.txt";
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const char* test_lib = "../src/.libs/libstdc++.so";
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const char* test_file = argv[2];
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const char* baseline_file = argv[3];
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// Quick sanity/setup check
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if (access(test_file, R_OK) != 0)
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{
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cerr << "Cannot read symbols file " << test_file
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<< ", did you forget to build first?" << endl;
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exit(1);
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}
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if (access(baseline_file, R_OK) != 0)
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{
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cerr << "Cannot read baseline file " << baseline_file << endl;
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exit(1);
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}
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if (access(test_lib, R_OK) != 0)
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{
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cerr << "Cannot read library " << test_lib
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<< ", did you forget to build first?" << endl;
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exit(1);
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}
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// Get list of symbols.
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// Assume external symbol list computed "as if" by
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/*
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readelf -s -W libstdc++.so | sed '/\.dynsym/,/^$/p;d' | egrep -v
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' (LOCAL|UND) ' | awk '{ if ($4 == "FUNC" || $4 == "NOTYPE") printf
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"%s:%s\n", $4, $8; else if ($4 == "OBJECT") printf "%s:%s:%s\n", $4,
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$3, $8;}' | sort >& current_symbols.txt
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*/
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// GNU binutils, somewhere after version 2.11.2, requires -W/--wide
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// to avoid default line truncation. -W is not supported and
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// truncation did not occur by default before that point.
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bool readelf_need_wide =
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(system("readelf --help | grep -- --wide >/dev/null") == 0);
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ostringstream cmd;
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cmd << "readelf -s " << (readelf_need_wide ? "-W " : "") << test_lib
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<< " | sed '/\\.dynsym/,/^$/p;d' | egrep -v ' (LOCAL|UND) ' | "
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"awk '{ if ($4 == \"FUNC\" || $4 == \"NOTYPE\") "
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"printf \"%s:%s\\n\", $4, $8; "
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"else if ($4 == \"OBJECT\") "
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"printf \"%s:%s:%s\\n\", $4, $3, $8;}' | sort > "
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<< test_file << " 2>&1";
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if (system(cmd.str().c_str()) != 0)
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{
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cerr << "Unable to generate the list of exported symbols." << endl;
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exit(2);
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}
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// Input both list of symbols into container.
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// Input both lists of symbols into container.
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symbol_infos baseline_symbols;
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symbol_names baseline_names;
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symbol_infos test_symbols;
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@ -323,7 +303,7 @@ int main(int argc, char** argv)
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create_symbol_data(baseline_file, baseline_symbols, baseline_names);
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create_symbol_data(test_file, test_symbols, test_names);
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// Basic sanity check. (Was: error checking, what's that?)
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// More sanity checking.
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const symbol_names::size_type baseline_size = baseline_names.size();
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const symbol_names::size_type test_size = test_names.size();
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if (!baseline_size || !test_size)
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