Hi Jon,
I can not call from C. Your solution can be interesting for me.
I can give you only my commandline. For a Call from VHDL.
ghdl -e -Wl,emulator_src.o -Wl,gdb_sim.o -Wl,-lpthread
--ieee=synopsys --workdir=work -Pwork tb_lm_cpu
I see no larger difference.
Perhaps can you write down your function.
Regards
René
On 04/10/2013 01:19 AM, Jon Taylor wrote:
Hi,
I am attempting to write a multithreaded application in VHDL, using
GHDL as the compiler. I need to call from C a function written in
VHDL and compiled into object form using GHDL back into the VHDL code
somehow, since I can't get direct access to pthreads from VHDL.
I see that my main function work.init_pkg.init shows up in the symbol
table of the VHDL object file:
000000000000008b g F .text00000000000000d0 work__init_pkg__init
I have tried using:
extern void work__init_pkg__init();
in my C code, but at link time the compiler claims that it can't find
the symbol:
ghdl -e --workdir=../../work -Wl,-l:../lib/libc_scandir_.o
-Wl,-l:../lib/clock_posix_.o -Wl,-l:../lib/threader_.o -Wl,-ldl
-Wl,-lpthread controlix
../lib/threader_.o: In function `thread':
/home/jon/controlix-code-0/src/lib/threader_.c:20: undefined reference
to `work__init_pkg__init'
Any ideas what's wrong, or what I should be doing differently?
Jon
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