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Wed Nov 16 2022 Viktor Malik <vmalik@redhat.com> - 1.24-2
- Backport BTF fix needed for kernel kfuncs
- Related: rhbz#2140020
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Fri Nov 04 2022 Viktor Malik <vmalik@redhat.com> - 1.24-1
- Resolves: rhbz#2140020
- New release: v1.23
- Process DW_TAG_LLVM_annotation tags.
- Initial support for DW_TAG_skeleton_unit.
- Encode BTF_KIND_TYPE_TAG and BTF_KIND_DECL_TAG
- Fix handling of percpu symbols on s390.
- Use cacheline size to infer struct member alignment from BTF.
- Add --skip_missing to not stop when not finding one of -C arguments.
- Fix __attribute__((__aligned__(N)) printing alignment for struct members.
- Fix nested __attribute__(__aligned__(N)) struct printing order.
- New release: v1.24
- Add support to BTF_KIND_ENUM64.
- Support multithreaded BTF encoding.
- Encode char type as signed in BTF.
- Introduce --lang and --lang_exclude to pahole.
- Introduce --compile to pahole.
- Don't segfault when processing bogus files.
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Wed Oct 06 2021 Jiri Olsa <jolsa@redhat.com> - 1.22-1
- New release: v1.22
- Resolves: rhbz#2010414
- Introduce -j/--jobs option to specify the number of threads to use.
- Multithreaded DWARF loading, requires elfutils >= 0.178.
- Preparatory work for multithreaded BTF encoding, the focus for 1.23.
- Allow encoding BTF to a separate file.
- Show all different types with the same name, not just the first one found.
- Stop assuming that reading from stdin means pretty, add --prettify.
- Improve type resolution for the --header command line option.
- Do not consider the ftrace filter when encoding BTF for kernel functions.
- Lock calls to non-thread safe elfutils' dwarf_decl_file() and dwarf_decl_line().
- Change hash table size to one that performs better with current typical vmlinux files.
- Allow tweaking the hash table size from the command line.
- Add --kabi_prefix to avoid deduplication woes when using _RH_KABI_REPLACE().
- Add --with_flexible_array to show just types with flexible arrays.
- Support btfdiff with a detached BTF file.
- Introduce sorted type output (--sort).
- Disable incomplete CTF encoder.
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Mon Aug 09 2021 Mohan Boddu <mboddu@redhat.com> - 1.21-2
- Rebuilt for IMA sigs, glibc 2.34, aarch64 flags
Related: rhbz#1991688
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Fri May 14 2021 Jiri Olsa <jolsa@redhat.com> - 1.21-1
- remove ftrace filter
- New release: v1.21
- DWARF loader:
- Handle DWARF5 DW_OP_addrx properly
- Handle subprogram ret type with abstract_origin properly
- Check .notes section for LTO build info
- Check .debug_abbrev for cross-CU references
- Permit merging all DWARF CU's for clang LTO built binary
- Factor out common code to initialize a cu
- Permit a flexible HASHTAGS__BITS
- Use a better hashing function, from libbpf
- btf_encoder:
- Add --btf_gen_all flag
- Match ftrace addresses within ELF functions
- Funnel ELF error reporting through a macro
- Sanitize non-regular int base type
- Add support for the floating-point types
- Pretty printer:
- Honour conf_fprintf.hex when printing enumerations
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Thu Apr 15 2021 Mohan Boddu <mboddu@redhat.com> - 1.20-2
- Rebuilt for RHEL 9 BETA on Apr 15th 2021. Related: rhbz#1947937
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Tue Feb 02 2021 Arnaldo Carvalho de Melo <acme@redhat.com> - 1.20-1
- New release: v1.20
- btf_encoder:
- Improve ELF error reporting using elf_errmsg(elf_errno())
- Improve objcopy error handling.
- Fix handling of 'restrict' qualifier, that was being treated as a 'const'.
- Support SHN_XINDEX in st_shndx symbol indexes
- Cope with functions without a name
- Fix BTF variable generation for kernel modules
- Fix address size to match what is in the ELF file being processed.
- Use kernel module ftrace addresses when finding which functions to encode.
- libbpf:
- Allow use of packaged version.
- dwarf_loader:
- Support DW_AT_data_bit_offset
- DW_FORM_implicit_const in attr_numeric() and attr_offset()
- Support DW_TAG_GNU_call_site, standardized rename of DW_TAG_GNU_call_site.
- build:
- Fix compilation on 32-bit architectures.
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Fri Nov 20 2020 Arnaldo Carvalho de Melo <acme@redhat.com> - 1.19-1
- New release: 1.19
- Split BTF
- DWARF workarounds for DW_AT_declaration
- Support cross-compiled ELF binaries with different endianness
- Support showing typedefs for anonymous types
- Speedups using libbpf algorithms
- See changes-v1.19 for a complete and more detailed list of changes