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support a few DWARF-5 only features (#1410)

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Support a few DWARF-5 only features:

* read .debug_addr
* read .debug_rnglists
* read .debug_loclists when present
* add dwarf-5 test
* read .debug_addr
* read .debug_rnglists
* read .debug_loclists when present
* support .debug_line_str and .debug_str_offsets

Co-authored-by: Yury Delendik <ydelendik@mozilla.com>
This commit is contained in:
Gabor Greif
2020-04-28 00:27:22 +02:00
committed by GitHub
parent d6b1589926
commit 1639ed0e2e
12 changed files with 202 additions and 99 deletions
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46
crates/debug/src/read_debuginfo.rs
View File

@@ -61,47 +61,41 @@ fn convert_sections<'a>(sections: HashMap<&str, &'a [u8]>) -> Result<Dwarf<'a>>
sections.get(".debug_line").unwrap_or(&EMPTY_SECTION),
endian,
);
let debug_addr = DebugAddr::from(EndianSlice::new(
sections.get(".debug_addr").unwrap_or(&EMPTY_SECTION),
endian,
));
if sections.contains_key(".debug_addr") {
bail!("Unexpected .debug_addr");
}
let debug_addr = DebugAddr::from(EndianSlice::new(EMPTY_SECTION, endian));
if sections.contains_key(".debug_line_str") {
bail!("Unexpected .debug_line_str");
}
let debug_line_str = DebugLineStr::from(EndianSlice::new(EMPTY_SECTION, endian));
let debug_line_str = DebugLineStr::from(EndianSlice::new(
sections.get(".debug_line_str").unwrap_or(&EMPTY_SECTION),
endian,
));
let debug_str_sup = DebugStr::from(EndianSlice::new(EMPTY_SECTION, endian));
if sections.contains_key(".debug_rnglists") {
bail!("Unexpected .debug_rnglists");
}
let debug_ranges = match sections.get(".debug_ranges") {
Some(section) => DebugRanges::new(section, endian),
None => DebugRanges::new(EMPTY_SECTION, endian),
};
let debug_rnglists = DebugRngLists::new(EMPTY_SECTION, endian);
let debug_rnglists = match sections.get(".debug_rnglists") {
Some(section) => DebugRngLists::new(section, endian),
None => DebugRngLists::new(EMPTY_SECTION, endian),
};
let ranges = RangeLists::new(debug_ranges, debug_rnglists);
if sections.contains_key(".debug_loclists") {
bail!("Unexpected .debug_loclists");
}
let debug_loc = match sections.get(".debug_loc") {
Some(section) => DebugLoc::new(section, endian),
None => DebugLoc::new(EMPTY_SECTION, endian),
};
let debug_loclists = DebugLocLists::new(EMPTY_SECTION, endian);
let debug_loclists = match sections.get(".debug_loclists") {
Some(section) => DebugLocLists::new(section, endian),
None => DebugLocLists::new(EMPTY_SECTION, endian),
};
let locations = LocationLists::new(debug_loc, debug_loclists);
if sections.contains_key(".debug_str_offsets") {
bail!("Unexpected .debug_str_offsets");
}
let debug_str_offsets = DebugStrOffsets::from(EndianSlice::new(EMPTY_SECTION, endian));
let debug_str_offsets = DebugStrOffsets::from(EndianSlice::new(
sections.get(".debug_str_offsets").unwrap_or(&EMPTY_SECTION),
endian,
));
if sections.contains_key(".debug_types") {
bail!("Unexpected .debug_types");