Accepted dwarves-dfsg 1.19-1~bpo10+1 (source amd64) into buster-backports, buster-backports
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Hash: SHA512
Format: 1.8
Date: Wed, 10 Feb 2021 09:27:14 +0000
Source: dwarves-dfsg
Binary: dwarves dwarves-dbgsym
Architecture: source amd64
Version: 1.19-1~bpo10+1
Distribution: buster-backports
Urgency: high
Maintainer: Thomas Girard <thomas.g.girard@free.fr>
Changed-By: Luca Boccassi <bluca@debian.org>
Description:
dwarves - set of advanced DWARF utilities
Closes: 923717 931142 977715 978691 978708 979105
Changes:
dwarves-dfsg (1.19-1~bpo10+1) buster-backports; urgency=medium
.
* Non-maintainer upload.
* Rebuild for buster-backports.
.
dwarves-dfsg (1.19-1) unstable; urgency=high
.
* New upstream release. Closes: #978691.
Changes since 1.18:
- Support split BTF, where a main BTF file, vmlinux, can be used
to find types and then a kernel module, for instance, can have
just what is unique to it
- Update libbpf to get the split BTF support and use some of its
functions to load BTF and speed up DWARF loading and BTF encoding
- Support cross-compiled ELF binaries with different endianness
- Support showing typedefs for anonymous types, like structs,
unions and enums
- Align enumerators
- Workaround bugs in the generation of DWARF records for functions in
some gcc versions that were causing breakage in the encoding of BTF
- Ignore zero-sized ELF symbols instead of erroring out
- Handle union forward declaration properly in the BTF loader
- Introduce --numeric_version for use in scripts and Makefiles
- Try sole pfunct argument as a function name, just like pahole
with type names
- Speed up pfunct using some of the load techniques used in pahole
- Discard CUs after BTF encoding as they're not used anymore,
greatly reducing memory usage and speeding up vmlinux BTF encoding
- Revamp how per-CPU variables are encoded in BTF
- Include BTF info for static functions
- Use BTF's string APIs for strings management, greatly improving
performance over the tsearch()
- Increase size of DWARF lookup hash table, shaving off about 1
second out of about 20 seconds total for Linux BTF dedup
- Stop BTF encoding when errors are found in some DWARF CU
- Implement --packed, to show just packed structures, for instance,
here are the top 5 packed data structures in the Linux kernel
- Fix bug in distros such as OpenSUSE:15.2 where DW_AT_alignment
isn't defined
.
* Refresh patches.
.
dwarves-dfsg (1.18-1) unstable; urgency=medium
.
[ Domenico Andreoli ]
* New upstream release (changes since 1.17):
- Use type information to pretty print raw data from stdin, all
documented in the man pages, further information in the csets.
- Store percpu variables in vmlinux BTF. This can be disabled when
debugging kernel features being developed to use it.
- pahole now should be segfault free when handling gdb test suit
DWARF files, including ADA, FORTRAN, rust and dwp compressed files,
the later being just flatly refused, that got left for v1.19.
- Bail out on partial units for now, avoiding segfaults and providing
warning to user, hopefully will be addressed in v1.19.
Closes: #977715.
* Update Homepage link. Closes: #978708.
* Drop debian/compat in favor of Build-Depends: debhelper-compat.
* Fix typo in pahole manual page.
* Fix escaping in pahole manual page.
* Fix debian/copyright lintian errors.
* Revert test to a superficial pahole --version until partial units
become supported.
.
[ Luca Boccassi ]
* Use packaged libbpf instead of the statically linked. Closes: #979105.
.
dwarves-dfsg (1.17-1) unstable; urgency=low
.
* New upstream release (changes since 1.16):
.
BTF loader:
- Support raw BTF as available in /sys/kernel/btf/vmlinux.
.
pahole:
- When the sole argument passed isn't a file, take it as a class name:
- Do not require a class name to operate without a file name.
- Make --find_pointers_to consider unions:
- Make --contains and --find_pointers_to honour --unions
- Add support for finding pointers to void:
- Make --contains and --find_pointers_to to work with base types:
- Make --contains look for more than just unions, structs:
- Consider unions when looking for classes containing some class:
- Introduce --unions to consider just unions:
- Fix -m/--nr_methods - Number of functions operating on a type pointer
.
man-pages:
- Add section about --hex + -E to locate offsets deep into sub structs.
- Add more information about BTF.
- Add some examples.
.
* Update to Standards-Version 4.5.0:
- Drop get-orig-source rules target
- Add Rules-Requires-Root: no
* Update debhelper compat to 12.
.
dwarves-dfsg (1.16-1) unstable; urgency=low
.
* New upstream release (changes since 1.15):
- Preserve and encode exported functions as BTF_KIND_FUNC
- Add support for BTF_KIND_FUNC
- Account inline type __aligned__ member types for spacing
- Fix alignment of class members that are structs/enums/unions
- Fixup handling classes with no members, solving a NULL deref
- Avoid infinite loop trying to determine type with static data
member of its own type.
- type->type == 0 is void, fix --compile for that
- Print DW_TAG_subroutine_type as well
- Fix ptr_table__add_with_id() handling of pt->nr_entries, covering
how BTF variables IDs are encoded
- Allow passing the format path specifier, to use with BTF
- Fixup issues pointed out by various coverity reports
.
dwarves-dfsg (1.15-2) unstable; urgency=low
.
* Fix hardening-no-bindnow.
* Fix debian-watch-uses-insecure-uri.
* Fix debian-watch-does-not-check-gpg-signature.
* Fix priority-extra-is-replaced-by-priority-optional.
* Revert to dwarves-dbgsym for tests execution but skip the test if
it's not installable (i.e. on transition to testing).
.
dwarves-dfsg (1.15-1) unstable; urgency=medium
.
[ Theodore Y. Ts'o ]
* New upstream release (changes since 1.12, closes: #931142):
- Add support for BTF encoding which is a much more compact way
of encoding C type information. It is derived from CTF (Compact
C-Type format) and is designed for use with eBPF.
- Add initial support for the DWARF DW_TAG_partial_unit
- Improve support for pretty-printing unions
- Teach pahole to show where a struct was used, via the -I option
- Use the running kernel by default when no file name is passed
- Improve man pages
- Support new BTF deduplication algorithm found the Linux kernel's
libbpf library, which allows type information for the kernel to
be stored in roughly 1% of the space.
- Add a new utility, btfdiff, which compares the pretty-printed
type information between two kernel images.
- Teach pahole to use the BTF information to pretty print structures
using the BTF information using "pahole -F btf", which is much faster
than using the Dwarf information.
- Infer the __packed__ attribute for structures without alignment holes
and which violate the natural types' alignment requirements.
- Support DWARF5's DW_AT_alignment tag
- Add a --compile option to pfunct which produces compileable
output for function prototypes in an object file.
- Miscellaneous bug fixes
.
[ Domenico Andreoli ]
* Autopkgtest on libc-bin-dbgsym instead of dwarves-dbgsym. Closes: #923717.
* Fix typo in description of no_shared_no_ebl.
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