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iverilog/vvp/debug.txt

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Start runtime trace aids The runtime is a vvp runtime engine debug aid that allows for detailed dump into a debug log. The trace is enabled by setting the VVP_DEBUG variable and activating specific debug messages in the vvp source. Signed-off-by: Stephen Williams <steve@icarus.com>
2007-07-12 06:38:56 +02:00
DEBUG AIDS FOR VVP
Spelling fixes only comments and documentation
2008-01-25 23:53:36 +01:00
Debugging vvp can be fiendishly difficult, so there are some built in
Start runtime trace aids The runtime is a vvp runtime engine debug aid that allows for detailed dump into a debug log. The trace is enabled by setting the VVP_DEBUG variable and activating specific debug messages in the vvp source. Signed-off-by: Stephen Williams <steve@icarus.com>
2007-07-12 06:38:56 +02:00
debugging aids. These are enabled by setting the environment variable
VVP_DEBUG to the path to an output file. Then, various detailed debug
tools can be enabled as described below.
* .resolv
The .resolv can print debug information along with a label by
specifying the debug output label on the .resolv line:
.resolv tri$<label>
In this case, the "$" character directly after the "tri" enables debug
dumps for this node, and the <label> is the label to prepend to log
messages from this node.