Adding upstream version 1.64.0+dfsg1.upstream/1.64.0+dfsg1

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 299 insertions, 0 deletions

diff --git a/vendor/addr2line/examples/addr2line.rs b/vendor/addr2line/examples/addr2line.rs
new file mode 100644
index 000000000..4b228a706
--- /dev/null
+++ b/vendor/addr2line/examples/addr2line.rs
@@ -0,0 +1,299 @@
+extern crate addr2line;
+extern crate clap;
+extern crate fallible_iterator;
+extern crate gimli;
+extern crate memmap;
+extern crate object;
+extern crate typed_arena;
+
+use std::borrow::Cow;
+use std::fs::File;
+use std::io::{BufRead, Lines, StdinLock, Write};
+use std::path::Path;
+
+use clap::{App, Arg, Values};
+use fallible_iterator::FallibleIterator;
+use object::{Object, ObjectSection};
+use typed_arena::Arena;
+
+use addr2line::{Context, Location};
+
+fn parse_uint_from_hex_string(string: &str) -> u64 {
+    if string.len() > 2 && string.starts_with("0x") {
+        u64::from_str_radix(&string[2..], 16).expect("Failed to parse address")
+    } else {
+        u64::from_str_radix(string, 16).expect("Failed to parse address")
+    }
+}
+
+enum Addrs<'a> {
+    Args(Values<'a>),
+    Stdin(Lines<StdinLock<'a>>),
+}
+
+impl<'a> Iterator for Addrs<'a> {
+    type Item = u64;
+
+    fn next(&mut self) -> Option<u64> {
+        let text = match *self {
+            Addrs::Args(ref mut vals) => vals.next().map(Cow::from),
+            Addrs::Stdin(ref mut lines) => lines.next().map(Result::unwrap).map(Cow::from),
+        };
+        text.as_ref()
+            .map(Cow::as_ref)
+            .map(parse_uint_from_hex_string)
+    }
+}
+
+fn print_loc(loc: &Option<Location>, basenames: bool, llvm: bool) {
+    if let Some(ref loc) = *loc {
+        let file = loc.file.as_ref().unwrap();
+        let path = if basenames {
+            Path::new(Path::new(file).file_name().unwrap())
+        } else {
+            Path::new(file)
+        };
+        print!("{}:", path.display());
+        if llvm {
+            print!("{}:{}", loc.line.unwrap_or(0), loc.column.unwrap_or(0));
+        } else if let Some(line) = loc.line {
+            print!("{}", line);
+        } else {
+            print!("?");
+        }
+        println!();
+    } else if llvm {
+        println!("??:0:0");
+    } else {
+        println!("??:?");
+    }
+}
+
+fn print_function(name: &str, language: Option<gimli::DwLang>, demangle: bool) {
+    if demangle {
+        print!("{}", addr2line::demangle_auto(Cow::from(name), language));
+    } else {
+        print!("{}", name);
+    }
+}
+
+fn load_file_section<'input, 'arena, Endian: gimli::Endianity>(
+    id: gimli::SectionId,
+    file: &object::File<'input>,
+    endian: Endian,
+    arena_data: &'arena Arena<Cow<'input, [u8]>>,
+) -> Result<gimli::EndianSlice<'arena, Endian>, ()> {
+    // TODO: Unify with dwarfdump.rs in gimli.
+    let name = id.name();
+    match file.section_by_name(name) {
+        Some(section) => match section.uncompressed_data().unwrap() {
+            Cow::Borrowed(b) => Ok(gimli::EndianSlice::new(b, endian)),
+            Cow::Owned(b) => Ok(gimli::EndianSlice::new(arena_data.alloc(b.into()), endian)),
+        },
+        None => Ok(gimli::EndianSlice::new(&[][..], endian)),
+    }
+}
+
+fn main() {
+    let matches = App::new("hardliner")
+        .version("0.1")
+        .about("A fast addr2line clone")
+        .arg(
+            Arg::with_name("exe")
+                .short("e")
+                .long("exe")
+                .value_name("filename")
+                .help(
+                    "Specify the name of the executable for which addresses should be translated.",
+                )
+                .required(true),
+        )
+        .arg(
+            Arg::with_name("sup")
+                .long("sup")
+                .value_name("filename")
+                .help("Path to supplementary object file."),
+        )
+        .arg(
+            Arg::with_name("functions")
+                .short("f")
+                .long("functions")
+                .help("Display function names as well as file and line number information."),
+        )
+        .arg(
+            Arg::with_name("pretty")
+                .short("p")
+                .long("pretty-print")
+                .help(
+                    "Make the output more human friendly: each location are printed on \
+                     one line.",
+                ),
+        )
+        .arg(Arg::with_name("inlines").short("i").long("inlines").help(
+            "If the address belongs to a function that was inlined, the source \
+             information for all enclosing scopes back to the first non-inlined \
+             function will also be printed.",
+        ))
+        .arg(
+            Arg::with_name("addresses")
+                .short("a")
+                .long("addresses")
+                .help(
+                    "Display the address before the function name, file and line \
+                     number information.",
+                ),
+        )
+        .arg(
+            Arg::with_name("basenames")
+                .short("s")
+                .long("basenames")
+                .help("Display only the base of each file name."),
+        )
+        .arg(Arg::with_name("demangle").short("C").long("demangle").help(
+            "Demangle function names. \
+             Specifying a specific demangling style (like GNU addr2line) \
+             is not supported. (TODO)",
+        ))
+        .arg(
+            Arg::with_name("llvm")
+                .long("llvm")
+                .help("Display output in the same format as llvm-symbolizer."),
+        )
+        .arg(
+            Arg::with_name("addrs")
+                .takes_value(true)
+                .multiple(true)
+                .help("Addresses to use instead of reading from stdin."),
+        )
+        .get_matches();
+
+    let arena_data = Arena::new();
+
+    let do_functions = matches.is_present("functions");
+    let do_inlines = matches.is_present("inlines");
+    let pretty = matches.is_present("pretty");
+    let print_addrs = matches.is_present("addresses");
+    let basenames = matches.is_present("basenames");
+    let demangle = matches.is_present("demangle");
+    let llvm = matches.is_present("llvm");
+    let path = matches.value_of("exe").unwrap();
+
+    let file = File::open(path).unwrap();
+    let map = unsafe { memmap::Mmap::map(&file).unwrap() };
+    let object = &object::File::parse(&*map).unwrap();
+
+    let endian = if object.is_little_endian() {
+        gimli::RunTimeEndian::Little
+    } else {
+        gimli::RunTimeEndian::Big
+    };
+
+    let mut load_section = |id: gimli::SectionId| -> Result<_, _> {
+        load_file_section(id, object, endian, &arena_data)
+    };
+
+    let sup_map;
+    let sup_object = if let Some(sup_path) = matches.value_of("sup") {
+        let sup_file = File::open(sup_path).unwrap();
+        sup_map = unsafe { memmap::Mmap::map(&sup_file).unwrap() };
+        Some(object::File::parse(&*sup_map).unwrap())
+    } else {
+        None
+    };
+
+    let symbols = object.symbol_map();
+    let mut dwarf = gimli::Dwarf::load(&mut load_section).unwrap();
+    if let Some(ref sup_object) = sup_object {
+        let mut load_sup_section = |id: gimli::SectionId| -> Result<_, _> {
+            load_file_section(id, sup_object, endian, &arena_data)
+        };
+        dwarf.load_sup(&mut load_sup_section).unwrap();
+    }
+
+    let ctx = Context::from_dwarf(dwarf).unwrap();
+
+    let stdin = std::io::stdin();
+    let addrs = matches
+        .values_of("addrs")
+        .map(Addrs::Args)
+        .unwrap_or_else(|| Addrs::Stdin(stdin.lock().lines()));
+
+    for probe in addrs {
+        if print_addrs {
+            if llvm {
+                print!("0x{:x}", probe);
+            } else {
+                print!("0x{:016x}", probe);
+            }
+            if pretty {
+                print!(": ");
+            } else {
+                println!();
+            }
+        }
+
+        if do_functions || do_inlines {
+            let mut printed_anything = false;
+            let mut frames = ctx.find_frames(probe).unwrap().enumerate();
+            while let Some((i, frame)) = frames.next().unwrap() {
+                if pretty && i != 0 {
+                    print!(" (inlined by) ");
+                }
+
+                if do_functions {
+                    if let Some(func) = frame.function {
+                        print_function(&func.raw_name().unwrap(), func.language, demangle);
+                    } else if let Some(name) = symbols.get(probe).map(|x| x.name()) {
+                        print_function(name, None, demangle);
+                    } else {
+                        print!("??");
+                    }
+
+                    if pretty {
+                        print!(" at ");
+                    } else {
+                        println!();
+                    }
+                }
+
+                print_loc(&frame.location, basenames, llvm);
+
+                printed_anything = true;
+
+                if !do_inlines {
+                    break;
+                }
+            }
+
+            if !printed_anything {
+                if do_functions {
+                    if let Some(name) = symbols.get(probe).map(|x| x.name()) {
+                        print_function(name, None, demangle);
+                    } else {
+                        print!("??");
+                    }
+
+                    if pretty {
+                        print!(" at ");
+                    } else {
+                        println!();
+                    }
+                }
+
+                if llvm {
+                    println!("??:0:0");
+                } else {
+                    println!("??:?");
+                }
+            }
+        } else {
+            let loc = ctx.find_location(probe).unwrap();
+            print_loc(&loc, basenames, llvm);
+        }
+
+        if llvm {
+            println!();
+        }
+        std::io::stdout().flush().unwrap();
+    }
+}