Try to use Sancov tables when recording Windows coverage

src/agent/coverage/examples/pdb_sancov_tables.rs

@@ -0,0 +1,43 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
+use anyhow::Result;
+use structopt::StructOpt;
+
+#[derive(Debug, PartialEq, StructOpt)]
+struct Opt {
+    #[structopt(long)]
+    pe: std::path::PathBuf,
+
+    #[structopt(long)]
+    pdb: Option<std::path::PathBuf>,
+}
+
+#[cfg(target_os = "windows")]
+fn main() -> Result<()> {
+    use coverage::block::pe_provider::PeSancovBasicBlockProvider;
+    use goblin::pe::PE;
+    use pdb::PDB;
+
+    let opt = Opt::from_args();
+
+    let data = std::fs::read(&opt.pe)?;
+    let pe = PE::parse(&data)?;
+
+    let pdb = opt
+        .pdb
+        .clone()
+        .unwrap_or_else(|| opt.pe.with_extension("pdb"));
+    let pdb = std::fs::File::open(pdb)?;
+    let mut pdb = PDB::open(pdb)?;
+
+    let mut provider = PeSancovBasicBlockProvider::new(&data, &pe, &mut pdb);
+    let blocks = provider.provide()?;
+
+    println!("blocks = {:x?}", blocks);
+
+    Ok(())
+}
+
+#[cfg(target_os = "linux")]
+fn main() {}

src/agent/coverage/src/block.rs

@@ -4,6 +4,9 @@
 #[cfg(target_os = "linux")]
 pub mod linux;
 
+#[cfg(target_os = "windows")]
+pub mod pe_provider;
+
 #[cfg(target_os = "windows")]
 pub mod windows;