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Fix link error when using --exe with --trace.

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git-svn-id: file://localhost/svn/verilator/trunk/verilator@813 77ca24e4-aefa-0310-84f0-b9a241c72d87
This commit is contained in:
Wilson Snyder 2006-10-09 13:38:15 +00:00
parent 1c8fd37745
commit 710d7c0ee5
3 changed files with 26 additions and 11 deletions
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@ -5,6 +5,8 @@ indicates the contributor was also the author of the fix; Thanks!
* Verilator 3.62** * Verilator 3.62**
**** Fix link error when using --exe with --trace. [Eugene Weber]
**** Public functions now allow > 64 bit arguments. **** Public functions now allow > 64 bit arguments.
**** Don't core dump on errors when not under --debug. [Allan Cochrane] **** Don't core dump on errors when not under --debug. [Allan Cochrane]

32
bin/verilator
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@ -566,7 +566,7 @@ And we get as output
Hello World Hello World
- our.v:2: Verilog $finish - our.v:2: Verilog $finish
Really, you're better off using a Makefile to do all this for you. Then, Really, you're better off writing a Makefile to do all this for you. Then,
when your source changes it will automatically run all of these steps. See when your source changes it will automatically run all of these steps. See
the test_c directory in the distribution for an example. the test_c directory in the distribution for an example.
@ -1497,22 +1497,32 @@ so your simulator shouldn't have to be -- and Verilator is closer to the
synthesis interpretation, so this is a good thing for getting working synthesis interpretation, so this is a good thing for getting working
silicon. silicon.
=item How do I generate waveforms (traces)? =item How do I generate waveforms (traces) in C++?
See the next question for SystemC mode.
Add the --trace switch to Verilator, and make sure the SystemPerl package Add the --trace switch to Verilator, and make sure the SystemPerl package
is installed (SystemC itself does not need to be installed for C++ only is installed. SystemC itself does not need to be installed for C++ only
tracing. You do not even need to compile SystemPerl; you may simply untar tracing. You do not even need to compile SystemPerl; you may simply untar
the SystemPerl kit and point the SYSTEMPERL enviornment variable to the the SystemPerl kit and point the SYSTEMPERL environment variable to the
untarred directory.) untarred directory.
In your top level C code, call Verilated::traceEverOn(true). In your top level C code, call Verilated::traceEverOn(true). Then create a
SpTraceVcdC object. For an example, see the call to SpTraceVcdC in the
test_c/sc_main.cpp file of the distribution.
Then, in SystemC mode, create a SpTraceFile object. For an example, see You also need to compile SpTraceVcdC.cpp and add it to your link. This is
the call to SpTraceFile in the test_sp/sc_main.cpp file of the done for you if using the Verilator --exe flag.
distribution.
Or, in C++ mode, create a SpTraceVcdCFile object, and see =item How do I generate waveforms (traces) in SystemC?
test_c/sim_main.cpp.
Add the --trace switch to Verilator, and make sure the SystemPerl package
is installed.
In your top level C sc_main code, call Verilated::traceEverOn(true). Then
create a SpTraceFile object as you would create a normal SystemC trace
file. For an example, see the call to SpTraceFile in the
test_sp/sc_main.cpp file of the distribution.
=item Where is the translate_off command? (How do I ignore a construct?) =item Where is the translate_off command? (How do I ignore a construct?)

3
src/V3EmitMk.cpp
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@ -96,6 +96,9 @@ public:
// Imply generating verilated.o // Imply generating verilated.o
if (v3Global.opt.exe()) { if (v3Global.opt.exe()) {
v3Global.opt.addCppFile("verilated.cpp"); v3Global.opt.addCppFile("verilated.cpp");
if (v3Global.opt.trace()) {
v3Global.opt.addCppFile("SpTraceVcdC.cpp");
}
} }
V3StringSet dirs; V3StringSet dirs;