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LLD treats any symbol referenced from a linker script as a GC root, which makes sense. Unfortunately, it also processes --defsym as a linker script fragment internally, so all target symbols of a --defsym also get treated as GC roots (i.e., if you have something like --defsym SRC=TGT, TGT will become a GC root). I believe this to be unnecessary for defsym specifically, since you're just

On Wed, 4 Dec 2019 at 07:05, Fāng-ruì Sòng <maskray at google.com> wrote: > > On Tue, Dec 3, 2019 at 7:02 PM Shoaib Meenai via llvm-dev > <llvm-dev at lists.llvm.org> wrote: > > > > LLD treats any symbol referenced from a linker script as a GC root, which makes sense. Unfortunately, it also processes --defsym as a linker script fragment internally, so all target

I have made some further investigation. My conclusion is that GNU ld does not do better than lld. Making the --defsym behavior ideal is difficult in the current framework. GNU ld has some unintended behaviors. ld.bfd a.o --defsym 'd=foo' --gc-sections -o a => GNU ld retains .text_foo ld.bfd a.o --defsym 'd=foo+3' --gc-sections -o a => GNU ld drops .text_foo ld.bfd a.o

I would like to make bar plots where the bars are composed of text like this: http://www.thomaslevine.com/lowres/text_bars.png Is there a package that will help me with this? Thanks Tom