Implement basic inline asm support

.gitignore

@@ -7,11 +7,14 @@ perf.data.old
 *.events
 *.string*
 /build_sysroot/sysroot
+/build_sysroot/sysroot_src
 /build_sysroot/Cargo.lock
 /build_sysroot/test_target/Cargo.lock
 /rust
+/simple-raytracer
 /regex
 gimple*
 *asm
 res
 test-backend
+gcc_path

build.sh

@@ -3,7 +3,12 @@
 #set -x
 set -e
 
-export GCC_PATH=$(cat gcc_path)
+if [ -f ./gcc_path ]; then 
+    export GCC_PATH=$(cat gcc_path)
+else
+    echo 'Please put the path to your custom build of libgccjit in the file `gcc_path`, see Readme.md for details'
+    exit 1
+fi
 
 export LD_LIBRARY_PATH="$GCC_PATH"
 export LIBRARY_PATH="$GCC_PATH"

config.sh

@@ -2,7 +2,12 @@ set -e
 
 export CARGO_INCREMENTAL=0
 
-export GCC_PATH=$(cat gcc_path)
+if [ -f ./gcc_path ]; then 
+    export GCC_PATH=$(cat gcc_path)
+else
+    echo 'Please put the path to your custom build of libgccjit in the file `gcc_path`, see Readme.md for details'
+    exit 1
+fi
 
 unamestr=`uname`
 if [[ "$unamestr" == 'Linux' ]]; then