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[Bug ld/5789] New: Linker doesn't check weak and hidden symbols


From: hjl dot tools at gmail dot com
Subject: [Bug ld/5789] New: Linker doesn't check weak and hidden symbols
Date: 23 Feb 2008 23:07:30 -0000

bash-3.2$ cat x.c
extern void foo() __attribute__((weak,visibility("hidden")));
extern int puts( char const* );
int main()
{
        foo ? foo() : puts( "foo == null, skipped." );
        return 0;
}
bash-3.2$ /usr/gcc-4.4/bin/gcc -B./ -fPIC -g   -c -o x.o x.c
bash-3.2$ ./ld -shared -o libx.so x.o
./ld: x.o: relocation R_X86_64_PC32 against `foo' can not be used when making a
shared object; recompile with -fPIC
./ld: final link failed: Bad value
bash-3.2$ /usr/gcc-4.4/bin/gcc -B./ -fPIC -g   -c -o x.o x.c -m32
bash-3.2$ ld -m elf_i386 -shared -o libx.so x.o
bash-3.2$ 

Linker should issue clear error message for both cases.

-- 
           Summary: Linker doesn't check weak and hidden symbols
           Product: binutils
           Version: 2.19 (HEAD)
            Status: NEW
          Severity: normal
          Priority: P2
         Component: ld
        AssignedTo: unassigned at sources dot redhat dot com
        ReportedBy: hjl dot tools at gmail dot com
                CC: bug-binutils at gnu dot org


http://sourceware.org/bugzilla/show_bug.cgi?id=5789

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