Skip to content
Merged
Show file tree
Hide file tree
Changes from all commits
Commits
File filter

Filter by extension

Filter by extension

Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
1 change: 1 addition & 0 deletions symbolic-debuginfo/src/pdb.rs
Original file line number Diff line number Diff line change
Expand Up @@ -141,6 +141,7 @@ impl<'data> PdbObject<'data> {
}

/// Tries to parse a PDB object from the given slice.
#[allow(clippy::arc_with_non_send_sync)]
pub fn parse(data: &'data [u8]) -> Result<Self, PdbError> {
let mut pdb = Pdb::open(Cursor::new(data))?;
let dbi = pdb.debug_information()?;
Expand Down
12 changes: 9 additions & 3 deletions symbolic-debuginfo/src/pe.rs
Original file line number Diff line number Diff line change
Expand Up @@ -281,16 +281,22 @@ impl<'data> PeObject<'data> {
/// Returns the raw buffer of Embedded Portable PDB Debug directory entry, if any.
pub fn embedded_ppdb(&self) -> Result<Option<PeEmbeddedPortablePDB<'data>>, PeError> {
// Note: This is currently not supported by goblin, see https://github.com/m4b/goblin/issues/314
let Some(opt_header) = self.pe.header.optional_header else { return Ok(None) };
let Some(debug_directory) = opt_header.data_directories.get_debug_table().as_ref() else { return Ok(None) };
let Some(opt_header) = self.pe.header.optional_header else {
return Ok(None);
};
let Some(debug_directory) = opt_header.data_directories.get_debug_table().as_ref() else {
return Ok(None);
};
let file_alignment = opt_header.windows_fields.file_alignment;
let parse_options = &pe::options::ParseOptions::default();
let Some(offset) = pe::utils::find_offset(
debug_directory.virtual_address as usize,
&self.pe.sections,
file_alignment,
parse_options,
) else { return Ok(None) };
) else {
return Ok(None);
};

use pe::debug::ImageDebugDirectory;
let entries = debug_directory.size as usize / std::mem::size_of::<ImageDebugDirectory>();
Expand Down
31 changes: 10 additions & 21 deletions symbolic-symcache/src/transform/bcsymbolmap.rs
Original file line number Diff line number Diff line change
Expand Up @@ -6,38 +6,27 @@ use symbolic_debuginfo::macho::BcSymbolMap;

use super::{File, Function, SourceLocation, Transformer};

// This ended up as a macro which "inlines" mapping the `Cow` into the calling function, as using
// a real function here would lead to the following borrow checker error:
// error[E0495]: cannot infer an appropriate lifetime for lifetime parameter `'d` due to conflicting requirements
macro_rules! map_cow {
($cow:expr, $f: expr) => {
match $cow {
Cow::Borrowed(inner) => Cow::Borrowed($f(inner)),
Cow::Owned(inner) => Cow::Owned($f(&inner).to_owned()),
}
};
fn resolve_cow<'f>(map: &'f BcSymbolMap<'_>, s: Cow<'f, str>) -> Cow<'f, str> {
Copy link
Member

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

ah nice! I wonder when that borrow checker problem was fixed.

match s {
Cow::Borrowed(inner) => Cow::Borrowed(map.resolve(inner)),
Cow::Owned(inner) => Cow::Owned(map.resolve(&inner).to_owned()),
}
}

impl Transformer for BcSymbolMap<'_> {
fn transform_function<'f>(&'f mut self, f: Function<'f>) -> Function<'f> {
Function {
name: map_cow!(f.name, |s| self.resolve(s)),
comp_dir: f.comp_dir.map(|dir| map_cow!(dir, |s| self.resolve(s))),
name: resolve_cow(self, f.name),
comp_dir: f.comp_dir.map(|dir| resolve_cow(self, dir)),
}
}

fn transform_source_location<'f>(&'f mut self, sl: SourceLocation<'f>) -> SourceLocation<'f> {
SourceLocation {
file: File {
name: map_cow!(sl.file.name, |s| self.resolve(s)),
directory: sl
.file
.directory
.map(|dir| map_cow!(dir, |s| self.resolve(s))),
comp_dir: sl
.file
.comp_dir
.map(|dir| map_cow!(dir, |s| self.resolve(s))),
name: resolve_cow(self, sl.file.name),
directory: sl.file.directory.map(|dir| resolve_cow(self, dir)),
comp_dir: sl.file.comp_dir.map(|dir| resolve_cow(self, dir)),
},
line: sl.line,
}
Expand Down