Bug in gnu-ld using gcc, g++ and gas

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1 total messages Started by Helmut Kaufmann Fri, 30 Oct 1992 15:31

#21

Author: Helmut Kaufmann
Date: Fri, 30 Oct 1992 15:31

23 lines
1318 bytes

We're using Sparc stations running SunOs4.1.1.
We've compiled gcc2.2.2 with the -with-gnu-as and -with-gnu-ld options
We've compiled glibc1.05 and libg++2.2.

We tried to link a program containing c and c++ object files and found
out the following:

If u use only c u can have an object file containing only global variables 
with their initializations (int i=0, j=12; ). j will be initilized
correctly at the beginning of the main program.

If u link c++ code and c code together, j won't be initialized but set to
zero. U have to include a dummy function (void dummy(void) {}; ) in the
module containing the global vars and call it BEFORE accessing j. Then,
j will be set correctly.

This looks like a bug to us. Probably the linker doesnt't work correctly.
Can u give us a helping hand?

Thanks a lot

Helmut Kaufmann & Martin Wunderli
{kaufmann,wunderli}@inf.ethz.ch

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