diff options
Diffstat (limited to 'vendor/gimli-0.25.0/tests/convert_self.rs')
-rw-r--r-- | vendor/gimli-0.25.0/tests/convert_self.rs | 158 |
1 files changed, 158 insertions, 0 deletions
diff --git a/vendor/gimli-0.25.0/tests/convert_self.rs b/vendor/gimli-0.25.0/tests/convert_self.rs new file mode 100644 index 000000000..ec8b592d3 --- /dev/null +++ b/vendor/gimli-0.25.0/tests/convert_self.rs @@ -0,0 +1,158 @@ +#![cfg(all(feature = "read", feature = "write"))] + +use std::env; +use std::fs::File; +use std::io::Read; +use std::path::PathBuf; + +use gimli::read; +use gimli::write::{self, Address, EndianVec}; +use gimli::LittleEndian; + +fn read_section(section: &str) -> Vec<u8> { + let mut path = PathBuf::new(); + if let Ok(dir) = env::var("CARGO_MANIFEST_DIR") { + path.push(dir); + } + path.push("fixtures/self"); + path.push(section); + + println!("Reading section \"{}\" at path {:?}", section, path); + assert!(path.is_file()); + let mut file = File::open(path).unwrap(); + + let mut buf = Vec::new(); + file.read_to_end(&mut buf).unwrap(); + buf +} + +#[test] +fn test_convert_debug_info() { + // Convert existing sections + let debug_abbrev = read_section("debug_abbrev"); + let debug_abbrev = read::DebugAbbrev::new(&debug_abbrev, LittleEndian); + + let debug_info = read_section("debug_info"); + let debug_info = read::DebugInfo::new(&debug_info, LittleEndian); + + let debug_line = read_section("debug_line"); + let debug_line = read::DebugLine::new(&debug_line, LittleEndian); + + let debug_str = read_section("debug_str"); + let debug_str = read::DebugStr::new(&debug_str, LittleEndian); + + let debug_ranges = read_section("debug_ranges"); + let debug_ranges = read::DebugRanges::new(&debug_ranges, LittleEndian); + + let debug_rnglists = read::DebugRngLists::new(&[], LittleEndian); + + let ranges = gimli::RangeLists::new(debug_ranges, debug_rnglists); + + let debug_loc = read_section("debug_loc"); + let debug_loc = read::DebugLoc::new(&debug_loc, LittleEndian); + + let debug_loclists = read::DebugLocLists::new(&[], LittleEndian); + + let locations = gimli::LocationLists::new(debug_loc, debug_loclists); + + let dwarf = read::Dwarf { + debug_abbrev, + debug_info, + debug_line, + debug_str, + ranges, + locations, + ..Default::default() + }; + + let mut dwarf = write::Dwarf::from(&dwarf, &|address| Some(Address::Constant(address))) + .expect("Should convert DWARF information"); + + assert_eq!(dwarf.units.count(), 23); + let entries: usize = (0..dwarf.units.count()) + .map(|i| dwarf.units.get(dwarf.units.id(i)).count()) + .sum(); + assert_eq!(entries, 29_560); + assert_eq!(dwarf.line_strings.count(), 0); + assert_eq!(dwarf.strings.count(), 3921); + + // Write to new sections + let mut write_sections = write::Sections::new(EndianVec::new(LittleEndian)); + dwarf + .write(&mut write_sections) + .expect("Should write DWARF information"); + let debug_info_data = write_sections.debug_info.slice(); + let debug_abbrev_data = write_sections.debug_abbrev.slice(); + let debug_line_data = write_sections.debug_line.slice(); + let debug_ranges_data = write_sections.debug_ranges.slice(); + let debug_loc_data = write_sections.debug_loc.slice(); + let debug_str_data = write_sections.debug_str.slice(); + assert_eq!(debug_info_data.len(), 394_930); + assert_eq!(debug_abbrev_data.len(), 9701); + assert_eq!(debug_line_data.len(), 105_797); + assert_eq!(debug_ranges_data.len(), 155_712); + assert_eq!(debug_loc_data.len(), 245_168); + assert_eq!(debug_str_data.len(), 144_731); + + // Convert new sections + let debug_abbrev = read::DebugAbbrev::new(debug_abbrev_data, LittleEndian); + let debug_info = read::DebugInfo::new(debug_info_data, LittleEndian); + let debug_line = read::DebugLine::new(debug_line_data, LittleEndian); + let debug_str = read::DebugStr::new(debug_str_data, LittleEndian); + let debug_ranges = read::DebugRanges::new(debug_ranges_data, LittleEndian); + let debug_rnglists = read::DebugRngLists::new(&[], LittleEndian); + let debug_loc = read::DebugLoc::new(debug_loc_data, LittleEndian); + let debug_loclists = read::DebugLocLists::new(&[], LittleEndian); + + let ranges = gimli::RangeLists::new(debug_ranges, debug_rnglists); + let locations = gimli::LocationLists::new(debug_loc, debug_loclists); + + let dwarf = read::Dwarf { + debug_abbrev, + debug_info, + debug_line, + debug_str, + ranges, + locations, + ..Default::default() + }; + + let dwarf = write::Dwarf::from(&dwarf, &|address| Some(Address::Constant(address))) + .expect("Should convert DWARF information"); + + assert_eq!(dwarf.units.count(), 23); + let entries: usize = (0..dwarf.units.count()) + .map(|i| dwarf.units.get(dwarf.units.id(i)).count()) + .sum(); + assert_eq!(entries, 29_560); + assert_eq!(dwarf.strings.count(), 3921); +} + +#[test] +fn test_convert_eh_frame() { + // Convert existing section + let eh_frame = read_section("eh_frame"); + let mut eh_frame = read::EhFrame::new(&eh_frame, LittleEndian); + // The `.eh_frame` fixture data was created on a 64-bit machine. + eh_frame.set_address_size(8); + let frames = write::FrameTable::from(&eh_frame, &|address| Some(Address::Constant(address))) + .expect("Should convert eh_frame information"); + assert_eq!(frames.cie_count(), 2); + assert_eq!(frames.fde_count(), 3482); + + // Write to new section + let mut write_eh_frame = write::EhFrame(EndianVec::new(LittleEndian)); + frames + .write_eh_frame(&mut write_eh_frame) + .expect("Should write eh_frame information"); + let eh_frame = write_eh_frame.slice(); + assert_eq!(eh_frame.len(), 147152); + + // Convert new section + let mut eh_frame = read::EhFrame::new(&eh_frame, LittleEndian); + eh_frame.set_address_size(8); + let frames = write::FrameTable::from(&eh_frame, &|address| Some(Address::Constant(address))) + .expect("Should convert eh_frame information"); + assert_eq!(frames.cie_count(), 2); + assert_eq!(frames.fde_count(), 3482); +} |