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Name: dwarves | Distribution: openSUSE Tumbleweed |
Version: 1.27 | Vendor: openSUSE |
Release: 3.3 | Build date: Tue Oct 1 10:35:14 2024 |
Group: Development/Tools/Debuggers | Build host: reproducible |
Size: 348474 | Source RPM: dwarves-1.27-3.3.src.rpm |
Packager: http://bugs.opensuse.org | |
Url: https://acmel.wordpress.com/ | |
Summary: DWARF utilities |
dwarves is a set of tools that use the DWARF debugging information inserted in ELF binaries by compilers such as GCC, used by well known debuggers such as GDB, and more recent ones such as systemtap. Utilities in the dwarves suite include pahole, that can be used to find alignment holes in structs and classes in languages such as C, C++, but not limited to these. It also extracts other information such as CPU cacheline alignment, helping pack those structures to achieve more cache hits. A diff like tool, codiff can be used to compare the effects changes in source code generate on the resulting binaries. Another tool is pfunct, that can be used to find all sorts of information about functions, inlines, decisions made by the compiler about inlining, etc.
GPL-2.0-only
* Tue Oct 01 2024 Dirk Müller <dmueller@suse.com> - fix baselibs.conf * Thu Jun 20 2024 pgajdos@suse.com - remove dependency on /usr/bin/python3 using %python3_fix_shebang macro, [bsc#1212476] * Wed Jun 12 2024 Jan Engelhardt <jengelh@inai.de> - Update to release 1.27 * Inject kfunc decl tags into BTF from the BTF IDs ELF section in the Linux kernel vmlinux file. * Support parallel reproducible builds, where it doesn't matter how many threads are used, the end BTF encoding result is the same. * Initial support for BTF_KIND_DECL_TAG * Fix pretty-printing of hole discovery with inheritance in C++. * Wed Feb 28 2024 Jan Engelhardt <jengelh@inai.de> - Update to release 1.26 * Show more holes (the ones in contained types) * Ability to express the BTF features to encode * Mon Oct 09 2023 Michal Suchanek <msuchanek@suse.com> - Fix have_libbpf conditional (jsc#PED-4593 bsc#1216042). * Sat Apr 08 2023 Jan Engelhardt <jengelh@inai.de> - Update to release 1.25 * Fixed the handling of DW_TAG_unspecified type in assembly functions that came with binutils 2.40 * Allow the BTF encoding of optimized functions (ending in .constprop, .isra), * Exclude BTF optimized functions not following the calling convention * Support for DW_TAG_atomic_type * Support for the DW_TAG_LLVM_annotation BTF equivalent (BTF_KIND_TYPE_TAG) on the BTF loader and for now suppressing it when pretty printing - Drop 0001-pahole-Support-lang-lang_exclude-asm.patch, 0002-btf_encoder-Add-extra-debug-info-for-unsupported-DWA.patch, 0003-btf_encoder-Store-the-CU-being-processed-to-avoid-ch.patch, 0004-core-Add-DW_TAG_unspecified_type-to-tag__is_tag_type.patch, 0005-core-Record-if-a-CU-has-a-DW_TAG_unspecified_type.patch, 0006-btf_encoder-Encode-DW_TAG_unspecified_type-returning.patch, 0007-dwarves-Zero-initialize-struct-cu-in-cu__new-to-prev.patch * Fri Feb 17 2023 Martin Liška <mliska@suse.cz> - Add 0001-pahole-Support-lang-lang_exclude-asm.patch, 0002-btf_encoder-Add-extra-debug-info-for-unsupported-DWA.patch, 0003-btf_encoder-Store-the-CU-being-processed-to-avoid-ch.patch, 0004-core-Add-DW_TAG_unspecified_type-to-tag__is_tag_type.patch, 0005-core-Record-if-a-CU-has-a-DW_TAG_unspecified_type.patch, 0006-btf_encoder-Encode-DW_TAG_unspecified_type-returning.patch, 0007-dwarves-Zero-initialize-struct-cu-in-cu__new-to-prev.patch as in order to support DW_TAG_unspecified_type that is newly emitted by binutils 2.40+. * Tue Oct 04 2022 Dirk Müller <dmueller@suse.com> - update to 1.24: * Add support to BTF_KIND_ENUM64 to represent enumeration entries with more than 32 bits. * Support multithreaded encoding, in addition to DWARF multithreaded loading, speeding up the process. Selected just like DWARF multithreaded loading, using the 'pahole -j' option. * Encode 'char' type as signed. * Add support to BTF_KIND_ENUM64. * Introduce --lang and --lang_exclude to specify the language the DWARF compile units were originated from to use or filter. * Introduce --compile to generate compilable code in a similar fashion to: bpftool btf dump file vmlinux format c > vmlinux.h As with 'bpftool', this will notice type shadowing, i.e. multiple types with the same name and will disambiguate by adding a suffix. * Don't segfault when processing bogus files. - add dwarves.keyring for source validation * Wed Dec 08 2021 Jan Engelhardt <jengelh@inai.de> - Update to release 1.23 * Ability to encode BTF tags. * Ability to carry attributes to the kernel BPF verifier for further checks. * Inference of struct member unnatural alignment (__attribute__(__aligned__(N))) to help in generating compileable headers matching the original type layout from BTF data. * Mon Aug 23 2021 Jan Engelhardt <jengelh@inai.de> - Update to release 1.22 (bsc#1190340). * Ability to encode BTF to a separate file * Multithreaded DWARF loading * Details at https://marc.info/?l=dwarves&m=162975403628056&w=2
/usr/bin/btfdiff /usr/bin/codiff /usr/bin/ctracer /usr/bin/dtagnames /usr/bin/fullcircle /usr/bin/ostra-cg /usr/bin/pahole /usr/bin/pdwtags /usr/bin/pfunct /usr/bin/pglobal /usr/bin/prefcnt /usr/bin/scncopy /usr/bin/syscse /usr/share/doc/packages/dwarves /usr/share/doc/packages/dwarves/NEWS /usr/share/doc/packages/dwarves/README /usr/share/man/man1/pahole.1.gz
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Fabrice Bellet, Sun Jan 12 02:11:34 2025