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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-30 03:57:31 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-30 03:57:31 +0000
commitdc0db358abe19481e475e10c32149b53370f1a1c (patch)
treeab8ce99c4b255ce46f99ef402c27916055b899ee /vendor/gimli/examples/simple.rs
parentReleasing progress-linux version 1.71.1+dfsg1-2~progress7.99u1. (diff)
downloadrustc-dc0db358abe19481e475e10c32149b53370f1a1c.tar.xz
rustc-dc0db358abe19481e475e10c32149b53370f1a1c.zip
Merging upstream version 1.72.1+dfsg1.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'vendor/gimli/examples/simple.rs')
-rw-r--r--vendor/gimli/examples/simple.rs67
1 files changed, 0 insertions, 67 deletions
diff --git a/vendor/gimli/examples/simple.rs b/vendor/gimli/examples/simple.rs
deleted file mode 100644
index 7c958d45c..000000000
--- a/vendor/gimli/examples/simple.rs
+++ /dev/null
@@ -1,67 +0,0 @@
-//! A simple example of parsing `.debug_info`.
-
-use object::{Object, ObjectSection};
-use std::{borrow, env, fs};
-
-fn main() {
- for path in env::args().skip(1) {
- let file = fs::File::open(&path).unwrap();
- let mmap = unsafe { memmap2::Mmap::map(&file).unwrap() };
- let object = object::File::parse(&*mmap).unwrap();
- let endian = if object.is_little_endian() {
- gimli::RunTimeEndian::Little
- } else {
- gimli::RunTimeEndian::Big
- };
- dump_file(&object, endian).unwrap();
- }
-}
-
-fn dump_file(object: &object::File, endian: gimli::RunTimeEndian) -> Result<(), gimli::Error> {
- // Load a section and return as `Cow<[u8]>`.
- let load_section = |id: gimli::SectionId| -> Result<borrow::Cow<[u8]>, gimli::Error> {
- match object.section_by_name(id.name()) {
- Some(ref section) => Ok(section
- .uncompressed_data()
- .unwrap_or(borrow::Cow::Borrowed(&[][..]))),
- None => Ok(borrow::Cow::Borrowed(&[][..])),
- }
- };
-
- // Load all of the sections.
- let dwarf_cow = gimli::Dwarf::load(&load_section)?;
-
- // Borrow a `Cow<[u8]>` to create an `EndianSlice`.
- let borrow_section: &dyn for<'a> Fn(
- &'a borrow::Cow<[u8]>,
- ) -> gimli::EndianSlice<'a, gimli::RunTimeEndian> =
- &|section| gimli::EndianSlice::new(&*section, endian);
-
- // Create `EndianSlice`s for all of the sections.
- let dwarf = dwarf_cow.borrow(&borrow_section);
-
- // Iterate over the compilation units.
- let mut iter = dwarf.units();
- while let Some(header) = iter.next()? {
- println!(
- "Unit at <.debug_info+0x{:x}>",
- header.offset().as_debug_info_offset().unwrap().0
- );
- let unit = dwarf.unit(header)?;
-
- // Iterate over the Debugging Information Entries (DIEs) in the unit.
- let mut depth = 0;
- let mut entries = unit.entries();
- while let Some((delta_depth, entry)) = entries.next_dfs()? {
- depth += delta_depth;
- println!("<{}><{:x}> {}", depth, entry.offset().0, entry.tag());
-
- // Iterate over the attributes in the DIE.
- let mut attrs = entry.attrs();
- while let Some(attr) = attrs.next()? {
- println!(" {}: {:?}", attr.name(), attr.value());
- }
- }
- }
- Ok(())
-}