1 files changed, 28 insertions, 0 deletions
diff --git a/examples/armv4t/gdb/libraries.rs b/examples/armv4t/gdb/libraries.rs
new file mode 100644
index 0000000..0c64dd7
--- /dev/null
+++ b/examples/armv4t/gdb/libraries.rs
@@ -0,0 +1,28 @@
+use super::copy_range_to_buf;
+use crate::emu::Emu;
+use gdbstub::target;
+use gdbstub::target::TargetResult;
+
+impl target::ext::libraries::LibrariesSvr4 for Emu {
+    fn get_libraries_svr4(
+        &self,
+        offset: u64,
+        length: usize,
+        buf: &mut [u8],
+    ) -> TargetResult<usize, Self> {
+        // `l_ld` is the address of the `PT_DYNAMIC` ELF segment, so fake an
+        // address here.
+        //
+        // The `main-lm`, `lm`, and `lmid` seem to refer to in-memory structures
+        // which gdb may read, but gdb also seems to work well enough if they're
+        // null-ish or otherwise pointing to non-present things.
+        let xml = r#"
+<library-list-svr4 version="1.0" main-lm="0x4">
+    <library name="/test.elf" lm="0x8" l_addr="0" l_ld="0" lmid="0x14"/>
+</library-list-svr4>
+"#
+        .trim()
+        .as_bytes();
+        Ok(copy_range_to_buf(xml, offset, length, buf))
+    }
+}