Date: Wed, 12 Mar 2003 15:48:45 +0100 (CET) From: Martin Blapp <mb@imp.ch> To: current@freebsd.org Cc: kan@freebsd.org Subject: ld -Bsharable broken in CURRENT ? Message-ID: <20030312154243.C59497@cvs.imp.ch>
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See testcase
STABLE:
mb@stable:~/cxxtest2$ export LD_LIBRARY_PATH=.
mb@stable:~/cxxtest2$ ./a.out
cought string: x == 1
bar: cought string: x == 1
mb@stable:~/cxxtest2$ ./b.out
cought string: x == 1
bar: cought string: x == 1
CURRENT:
mb@current:~/cxxtest2$ ./a.out
cought string: x == 1
bar: cought string: x == 1
mb@current:~/cxxtest2$ ./b.out
Abort trap (core dumped)
cxxtest2/Makefile
----------------------------------------------------
CXX=g++
LD=ld
CXXFLAGS=-fpic -fexceptions
all: a.out b.out
#
# Works
#
a.out: main.o foo.so bar.so
${CXX} -o a.out main.o foo.so bar.so
#
# Broken
#
b.out: main.o foo2.so bar2.so
${CXX} -o b.out main.o foo2.so bar2.so
#
# Works
#
bar.so: bar.o
${CXX} -shared -o bar.so bar.o
foo.so: foo.o
${CXX} -shared -o foo.so foo.o
#
# Broken
#
bar2.so: bar.o
${LD} -Bshareable -o bar2.so bar.o
foo2.so: foo.o
${LD} -Bshareable -o foo2.so foo.o
clean:
rm -f a.out *.o *.so
----------------------------------------------------
cxxtest2/bar.cc
----------------------------------------------------
/* compile with "g++ -shared -fPIC -o bar.so bar.cc" */
#include <iostream>
#include <string>
using namespace std;
using std::cerr;
extern void foo(int);
void bar(int x)
{
try {
foo(x);
} catch (string s) { cerr << "bar: cought string: " << s << endl;
} catch (int i) { cerr << "bar: cought int: " << i << endl;
} catch (...) { cerr << "bar: cought something" << endl;
}
}
----------------------------------------------------
cxxtest2/foo.cc
----------------------------------------------------
/* compile with "g++ -shared -fPIC -o foo.so foo.cc" */
#include <string>
using namespace std;
void foo(int x)
{
switch(x) {
case 1:
throw string("x == 1");
case 2:
throw int(2);
default:
throw float(3.1415);
}
}
----------------------------------------------------
cxxtest2/main.cc
----------------------------------------------------
/* compile with "g++ main.cc ./foo.so ./bar.so" */
#include <string>
#include <iostream>
using namespace std;
extern void foo(int);
extern void bar(int);
main(int argc, char *argv[])
{
try {
foo(argc);
} catch (string s) { cerr << "cought string: " << s << endl;
} catch (int i) { cerr << "cought int: " << i << endl;
} catch (...) { cerr << "cought something" << endl;
}
bar(argc);
return 0;
}
----------------------------------------------------
Martin Blapp, <mb@imp.ch> <mbr@FreeBSD.org>
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