Update object to 0.36.0. (#633)

Cargo.toml

@@ -45,7 +45,7 @@ addr2line = { version = "0.22.0", default-features = false }
 libc = { version = "0.2.146", default-features = false }
 
 [target.'cfg(not(all(windows, target_env = "msvc", not(target_vendor = "uwp"))))'.dependencies.object]
-version = "0.35.0"
+version = "0.36.0"
 default-features = false
 features = ['read_core', 'elf', 'macho', 'pe', 'xcoff', 'unaligned', 'archive']
 

crates/as-if-std/Cargo.toml

@@ -21,7 +21,7 @@ miniz_oxide = { version = "0.7.0", optional = true, default-features = false }
 addr2line = { version = "0.22.0", optional = true, default-features = false }
 
 [target.'cfg(not(all(windows, target_env = "msvc", not(target_vendor = "uwp"))))'.dependencies.object]
-version = "0.35.0"
+version = "0.36.0"
 default-features = false
 optional = true
 features = ['read_core', 'elf', 'macho', 'pe', 'xcoff', 'unaligned', 'archive']

src/symbolize/gimli/coff.rs

@@ -51,19 +51,15 @@ impl<'a> Object<'a> {
         // note that the sections are 1-indexed because the zero section
         // is special (apparently).
         let mut symbols = Vec::new();
-        let mut i = 0;
-        let len = symtab.len();
-        while i < len {
-            let sym = symtab.symbol(i).ok()?;
-            i += 1 + sym.number_of_aux_symbols as usize;
-            let section_number = sym.section_number.get(LE);
-            if sym.derived_type() != object::pe::IMAGE_SYM_DTYPE_FUNCTION || section_number == 0 {
+        for (_, sym) in symtab.iter() {
+            if sym.derived_type() != object::pe::IMAGE_SYM_DTYPE_FUNCTION {
                 continue;
             }
+            let Some(section_index) = sym.section() else {
+                continue;
+            };
             let addr = usize::try_from(sym.value.get(LE)).ok()?;
-            let section = sections
-                .section(usize::try_from(section_number).ok()?)
-                .ok()?;
+            let section = sections.section(section_index).ok()?;
             let va = usize::try_from(section.virtual_address.get(LE)).ok()?;
             symbols.push((addr + va + image_base, sym));
         }

src/symbolize/gimli/macho.rs

@@ -281,20 +281,12 @@ impl<'a> Object<'a> {
     }
 }
 
-fn object_mapping(path: &[u8]) -> Option<Mapping> {
+fn object_mapping(file: &object::read::ObjectMapFile<'_>) -> Option<Mapping> {
     use super::mystd::ffi::OsStr;
     use super::mystd::os::unix::prelude::*;
 
-    let map;
-
-    // `N_OSO` symbol names can be either `/path/to/object.o` or `/path/to/archive.a(object.o)`.
-    let member_name = if let Some((archive_path, member_name)) = split_archive_path(path) {
-        map = super::mmap(Path::new(OsStr::from_bytes(archive_path)))?;
-        Some(member_name)
-    } else {
-        map = super::mmap(Path::new(OsStr::from_bytes(path)))?;
-        None
-    };
+    let map = super::mmap(Path::new(OsStr::from_bytes(file.path())))?;
+    let member_name = file.member();
     Mapping::mk(map, |data, stash| {
         let data = match member_name {
             Some(member_name) => {
@@ -314,16 +306,6 @@ fn object_mapping(path: &[u8]) -> Option<Mapping> {
     })
 }
 
-fn split_archive_path(path: &[u8]) -> Option<(&[u8], &[u8])> {
-    let (last, path) = path.split_last()?;
-    if *last != b')' {
-        return None;
-    }
-    let index = path.iter().position(|&x| x == b'(')?;
-    let (archive, rest) = path.split_at(index);
-    Some((archive, &rest[1..]))
-}
-
 pub(super) fn handle_split_dwarf<'data>(
     _package: Option<&gimli::DwarfPackage<EndianSlice<'data, Endian>>>,
     _stash: &'data Stash,