Unverified Commit 5df29e2c authored by Bernhard Schommer's avatar Bernhard Schommer
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The clightgen tool
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# The clightgen tool
OVERVIEW
## Overview
"clightgen" is an experimental tool that transforms C source files
into Clight abstract syntax, pretty-printed in Coq format in .v files.
These generated .v files can be loaded in a Coq session for
interactive verification, typically.
HOW TO BUILD
## How to build
Change to the top-level CompCert directory and issue
make clightgen
USAGE
clightgen [options] <C source files>
```
make clightgen
```
## Usage
```
clightgen [options] <C source files>
```
For each source file "src.c", its Clight abstract syntax is generated
in "src.v".
The options recognized are a subset of those of the CompCert compiler ccomp
(see http://compcert.inria.fr/man/manual003.html for full documentation):
(see [user's manual](http://compcert.inria.fr/man/manual003.html) for full documentation):
```
-I<dir> search <dir> for include files
-D<symbol> define preprocessor macro
-U<symbol> undefine preprocessor macro
-Wp,<opts> pass options to C preprocessor
-f<feature> activate emulation of the given C feature
```
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