Gdb Dwarf 4 Support

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gdb - Dwarf Error: wrong version in compilation unit ...

    https://stackoverflow.com/questions/11671009/dwarf-error-wrong-version-in-compilation-unit-header-is-4-should-be-2
    The problem is that your version of gdb doesn't support the DWARF version used in one of your binaries. The solution: Update gdb or compile your files using another debug format (DWARF2 works on gdb 6). I have recently had this problem with freeBSD and nasm, nasm compiling binaries with DWARF3 and the gdb that ships with freeBSD 9.1 doesn't ...

GDB: The GNU Project Debugger

    http://www.gnu.org/software/gdb/
    GDB can do four main kinds of things (plus other things in support of these) to help you catch bugs in the act: Start your program, specifying anything that might affect its behavior. Make your program stop on specified conditions.

GDB News - GNU

    https://www.gnu.org/s/gdb/news
    GDB ought to support extensibility using Guile, the GNU extensibility package (an implementation of Scheme). We are looking for people to write the code to interface the two. Please write to gdb-patches AT sourceware DOT org if you are interested. December 13, 2011: GDB 7.4 branch created. The GDB 7.4 branch (gdb_7_4-branch) has been created ...

DWARF FAQ - Dwarf Wiki

    http://wiki.dwarfstd.org/index.php?title=DWARF_FAQ
    DWARF FAQ. From Dwarf Wiki. Jump to: navigation, search. Contents. ... 3.8 Does visual studio .net support the DWARF debugging standard? 3.9 What's the best C* DWARF WRITER (API) ... gdb. The GNU gdb debugger reads DWARF directly from object files. That code could be adapted. Or gdb could be used itself as a 'backend'.

Using the GNU Compiler Collection (GCC): Debugging Options

    https://gcc.gnu.org/onlinedocs/gcc/Debugging-Options.html
    3.10 Options for Debugging Your Program. ... XCOFF, or DWARF). GDB can work with this debugging information. On most systems that use stabs format, ... But not all DWARF consumers support .debug_types sections yet and on some objects .debug_types produces larger instead of smaller debugging information.

How does gdb work? Hacker News

    https://news.ycombinator.com/item?id=12259715
    Aug 10, 2016 · Having written at least 4 complete DWARF readers and writers (GCC's location list support, GDB's expression evaluator, the thing that became google breakpad's debuginfo reader etc), it's really not that bad. In fact, compared to pretty much any other debug format, it's wonderful.

Using the GNU Compiler Collection (GCC): Debugging Options

    https://gcc.gnu.org/onlinedocs/gcc-6.4.0/gcc/Debugging-Options.html
    Produce debugging information in DWARF format (if that is supported). The value of version may be either 2, 3, 4 or 5; the default version for most targets is 4. DWARF Version 5 is only experimental. Note that with DWARF Version 2, some ports require and always use some non-conflicting DWARF 3 extensions in the unwind tables.

Dwarf-4 support? · Issue #23 · facebookincubator/BOLT · GitHub

    https://github.com/facebookincubator/BOLT/issues/23
    Hi, I have some problems using bolt. My setup is Intel Compiler 17 with gcc 4.8.5, so it produces dwarf 4. The code is compiled without PIC/PIE and linked with --emit-relocs so that it produces RELA rela.text. Here is the problem: perf2b...



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