Debug analyze_code

Author: chipshort

internal/api/lib.go

@@ -156,6 +156,7 @@ func AnalyzeCode(cache Cache, checksum []byte) (*types.AnalysisReport, error) {
 	cs := makeView(checksum)
 	defer runtime.KeepAlive(checksum)
 	errmsg := uninitializedUnmanagedVector()
+	fmt.Printf("AnalyzeCode: %p (%v, %v, %p) %p", cache.ptr, cs.is_nil, cs.len, cs.ptr, &errmsg)
 	report, err := C.analyze_code(cache.ptr, cs, &errmsg)
 	if err != nil {
 		return nil, errorWithMessage(err, errmsg)

libwasmvm/src/cache.rs

@@ -280,8 +280,15 @@ fn set_to_csv(set: BTreeSet<impl AsRef<str>>) -> String {
 pub extern "C" fn analyze_code(
     cache: *mut cache_t,
     checksum: ByteSliceView,
-    error_msg: Option<&mut UnmanagedVector>,
+    mut error_msg: Option<&mut UnmanagedVector>,
 ) -> AnalysisReport {
+    println!(
+        "analyze_code: {cache:?} ({}, {}, {:?}) {:?}",
+        checksum.is_nil,
+        checksum.len,
+        checksum.ptr,
+        error_msg.as_mut().map(|e| *e as *mut UnmanagedVector)
+    );
     let r = match to_cache(cache) {
         Some(c) => catch_unwind(AssertUnwindSafe(move || do_analyze_code(c, checksum)))
             .unwrap_or_else(|err| {

libwasmvm/src/memory.rs

@@ -10,9 +10,9 @@ use std::slice;
 #[derive(Debug)]
 pub struct ByteSliceView {
     /// True if and only if the byte slice is nil in Go. If this is true, the other fields must be ignored.
-    is_nil: bool,
-    ptr: *const u8,
-    len: usize,
+    pub is_nil: bool,
+    pub ptr: *const u8,
+    pub len: usize,
 }
 
 impl ByteSliceView {