Hi,
On Sun, 19 Jan 2020, grischka wrote:
Herman ten Brugge wrote:
I need only 1. I modified the code. See attached patch.
I don't think so.
Basically, in tinycc, before you add new code, always try if you
can solve the problem by just removing old code first.
(Also, please don't make changes to existing code without any
comments, unless really obvious for everybody).
Anyway, should work now. See
https://repo.or.cz/tinycc.git/commitdiff/d79e1dee
Btw, there seems to be a bug in the sym-version code that crashes
tcc when it tries to link with a .so, for example:
echo "void f() {}" | tcc - -shared -o a.so
echo "main() {}" | tcc - a.so
<segmentation fault>
I cannot reproduce this. I checkout a fresh copy and see no problem.
I use Fedora 31 with all updates.
see for example
https://gitlab.com/giomasce/tinycc/-/jobs/408014593
+./a.exe: error while loading shared libraries: ./a1.so: unsupported
version
25960 of Verneed record
Fixed in https://repo.or.cz/tinycc.git/commitdiff/fdeeb62
Also the stack usage for nested expressions you noted in the
d79e1dee commit might be be a bit smaller now, I've reworked the
expression parser to be a precedence parser for the easy cases, so there's
now only one recursion level per higher precedence operator. Of course
it's still possible to write expression that need unbounded recursion
depth.
Ciao,
Michael.
--- grischka
Regards,
Herman
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