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@ -2,15 +2,16 @@
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%define libver 1
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Name: dwarves
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Version: 1.17
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Release: 4%{?dist}
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Version: 1.24
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Release: 2%{?dist}
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License: GPLv2
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Summary: Debugging Information Manipulation Tools (pahole & friends)
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URL: http://acmel.wordpress.com
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Source: http://fedorapeople.org/~acme/dwarves/%{name}-%{version}.tar.xz
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Requires: %{libname}%{libver} = %{version}-%{release}
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Patch1: 0001-dwarves-Zero-initialize-struct-cu-in-cu__new-to-prev.patch
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BuildRequires: gcc
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BuildRequires: cmake
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BuildRequires: cmake >= 2.8.12
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BuildRequires: zlib-devel
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BuildRequires: elfutils-devel >= 0.130
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@ -41,6 +42,12 @@ gcc, with the same compiler flags, and then use codiff to make sure the
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original .o file and the new one generated from debug info produces the same
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debug info.
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Pahole also can be used to use all this type information to pretty print raw data
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according to command line directions.
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Headers can have its data format described from debugging info and offsets from
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it can be used to further format a number of records.
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The btfdiff utility compares the output of pahole from BTF and DWARF to make
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sure they produce the same results.
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@ -59,9 +66,10 @@ Debugging information processing library development files.
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%prep
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%setup -q
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%patch1 -p1
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%build
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%cmake .
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%cmake -DCMAKE_BUILD_TYPE=Release .
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%cmake_build
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%install
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@ -73,7 +81,8 @@ rm -Rf %{buildroot}
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%files
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%doc README.ctracer
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%doc README.btf
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%doc changes-v1.17
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%doc changes-v1.23
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%doc changes-v1.24
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%doc NEWS
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%{_bindir}/btfdiff
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%{_bindir}/codiff
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@ -108,7 +117,6 @@ rm -Rf %{buildroot}
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%doc MANIFEST README
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%{_includedir}/dwarves/btf_encoder.h
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%{_includedir}/dwarves/config.h
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%{_includedir}/dwarves/ctf_encoder.h
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%{_includedir}/dwarves/ctf.h
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%{_includedir}/dwarves/dutil.h
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%{_includedir}/dwarves/dwarves.h
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@ -118,16 +126,121 @@ rm -Rf %{buildroot}
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%{_includedir}/dwarves/elf_symtab.h
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%{_includedir}/dwarves/gobuffer.h
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%{_includedir}/dwarves/hash.h
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%{_includedir}/dwarves/libbtf.h
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%{_includedir}/dwarves/libctf.h
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%{_includedir}/dwarves/list.h
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%{_includedir}/dwarves/rbtree.h
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%{_includedir}/dwarves/strings.h
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%{_libdir}/%{libname}.so
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%{_libdir}/%{libname}_emit.so
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%{_libdir}/%{libname}_reorganize.so
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%changelog
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* Wed Nov 16 2022 Viktor Malik <vmalik@redhat.com> - 1.24-2
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- Backport BTF fix needed for kernel kfuncs
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- Related: rhbz#2140020
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* Fri Nov 04 2022 Viktor Malik <vmalik@redhat.com> - 1.24-1
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- Resolves: rhbz#2140020
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- New release: v1.23
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- Process DW_TAG_LLVM_annotation tags.
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- Initial support for DW_TAG_skeleton_unit.
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- Encode BTF_KIND_TYPE_TAG and BTF_KIND_DECL_TAG
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- Fix handling of percpu symbols on s390.
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- Use cacheline size to infer struct member alignment from BTF.
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- Add --skip_missing to not stop when not finding one of -C arguments.
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- Fix __attribute__((__aligned__(N)) printing alignment for struct members.
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- Fix nested __attribute__(__aligned__(N)) struct printing order.
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- New release: v1.24
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- Add support to BTF_KIND_ENUM64.
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- Support multithreaded BTF encoding.
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- Encode char type as signed in BTF.
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- Introduce --lang and --lang_exclude to pahole.
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- Introduce --compile to pahole.
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- Don't segfault when processing bogus files.
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* Wed Oct 6 2021 Jiri Olsa <jolsa@redhat.com> - 1.22-1
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- New release: v1.22
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- Resolves: rhbz#2010414
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- Introduce -j/--jobs option to specify the number of threads to use.
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- Multithreaded DWARF loading, requires elfutils >= 0.178.
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- Preparatory work for multithreaded BTF encoding, the focus for 1.23.
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- Allow encoding BTF to a separate file.
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- Show all different types with the same name, not just the first one found.
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- Stop assuming that reading from stdin means pretty, add --prettify.
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- Improve type resolution for the --header command line option.
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- Do not consider the ftrace filter when encoding BTF for kernel functions.
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- Lock calls to non-thread safe elfutils' dwarf_decl_file() and dwarf_decl_line().
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- Change hash table size to one that performs better with current typical vmlinux files.
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- Allow tweaking the hash table size from the command line.
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- Add --kabi_prefix to avoid deduplication woes when using _RH_KABI_REPLACE().
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- Add --with_flexible_array to show just types with flexible arrays.
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- Support btfdiff with a detached BTF file.
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- Introduce sorted type output (--sort).
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- Disable incomplete CTF encoder.
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* Mon Aug 09 2021 Mohan Boddu <mboddu@redhat.com> - 1.21-2
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- Rebuilt for IMA sigs, glibc 2.34, aarch64 flags
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Related: rhbz#1991688
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* Fri May 14 2021 Jiri Olsa <jolsa@redhat.com> - 1.21-1
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- remove ftrace filter
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- New release: v1.21
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- DWARF loader:
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- Handle DWARF5 DW_OP_addrx properly
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- Handle subprogram ret type with abstract_origin properly
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- Check .notes section for LTO build info
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- Check .debug_abbrev for cross-CU references
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- Permit merging all DWARF CU's for clang LTO built binary
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- Factor out common code to initialize a cu
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- Permit a flexible HASHTAGS__BITS
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- Use a better hashing function, from libbpf
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- btf_encoder:
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- Add --btf_gen_all flag
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- Match ftrace addresses within ELF functions
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- Funnel ELF error reporting through a macro
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- Sanitize non-regular int base type
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- Add support for the floating-point types
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- Pretty printer:
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- Honour conf_fprintf.hex when printing enumerations
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* Thu Apr 15 2021 Mohan Boddu <mboddu@redhat.com> - 1.20-2
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- Rebuilt for RHEL 9 BETA on Apr 15th 2021. Related: rhbz#1947937
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* Tue Feb 2 2021 Arnaldo Carvalho de Melo <acme@redhat.com> - 1.20-1
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- New release: v1.20
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- btf_encoder:
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- Improve ELF error reporting using elf_errmsg(elf_errno())
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- Improve objcopy error handling.
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- Fix handling of 'restrict' qualifier, that was being treated as a 'const'.
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- Support SHN_XINDEX in st_shndx symbol indexes
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- Cope with functions without a name
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- Fix BTF variable generation for kernel modules
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- Fix address size to match what is in the ELF file being processed.
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- Use kernel module ftrace addresses when finding which functions to encode.
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- libbpf:
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- Allow use of packaged version.
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- dwarf_loader:
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- Support DW_AT_data_bit_offset
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- DW_FORM_implicit_const in attr_numeric() and attr_offset()
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- Support DW_TAG_GNU_call_site, standardized rename of DW_TAG_GNU_call_site.
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- build:
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- Fix compilation on 32-bit architectures.
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* Fri Nov 20 2020 Arnaldo Carvalho de Melo <acme@redhat.com> - 1.19-1
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- New release: 1.19
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- Split BTF
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- DWARF workarounds for DW_AT_declaration
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- Support cross-compiled ELF binaries with different endianness
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- Support showing typedefs for anonymous types
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- Speedups using libbpf algorithms
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- See changes-v1.19 for a complete and more detailed list of changes
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* Fri Oct 02 2020 Arnaldo Carvalho de Melo <acme@redhat.com> - 1.18-1
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- New release: 1.18
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- Use debugging info to pretty print raw data
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- Store percpu variables in vmlinux BTF.
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- Fixes to address segfaults on the gdb testsuite binaries
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- Bail out on partial units for now, avoiding segfaults and providing warning to user.
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* Mon Aug 31 2020 - Zamir SUN <sztsian@gmail.com> - 1.17-4
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- Fix FTBFS
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- Resolves: bug 1863459
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@ -139,8 +252,33 @@ rm -Rf %{buildroot}
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* Mon Jul 27 2020 Fedora Release Engineering <releng@fedoraproject.org> - 1.17-2
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- Rebuilt for https://fedoraproject.org/wiki/Fedora_33_Mass_Rebuild
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* Fri Mar 13 2020 Arnaldo Carvalho de Melo <acme@redhat.com> - 1.17-1
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- New release: 1.17
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- Support raw BTF as available in /sys/kernel/btf/vmlinux.
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- When the sole argument passed isn't a file, take it as a class name:
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- Do not require a class name to operate without a file name.
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- Make --find_pointers_to consider unions:
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- Make --contains and --find_pointers_to honour --unions
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- Add support for finding pointers to void:
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- Make --contains and --find_pointers_to to work with base types:
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- Make --contains look for more than just unions, structs:
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- Consider unions when looking for classes containing some class:
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- Introduce --unions to consider just unions:
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- Fix -m/--nr_methods - Number of functions operating on a type pointer
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* Wed Feb 12 2020 Arnaldo Carvalho de Melo <acme@redhat.com> - 1.16-1
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- New release: 1.16
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- BTF encoder: Preserve and encode exported functions as BTF_KIND_FUNC.
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- BTF loader: Add support for BTF_KIND_FUNC
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- Pretty printer: Account inline type __aligned__ member types for spacing
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- Pretty printer: Fix alignment of class members that are structs/enums/unions
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- Pretty printer: Avoid infinite loop trying to determine type with static data member of its own type.
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- RPM spec file: Add dwarves dependency on libdwarves1.
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- pfunct: type->type == 0 is void, fix --compile for that
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- pdwtags: Print DW_TAG_subroutine_type as well
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- core: Fix ptr_table__add_with_id() handling of pt->nr_entries
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- pglobal: Allow passing the format path specifier, to use with BTF
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- Tree wide: Fixup issues pointed out by various coverity reports.
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* Tue Jan 28 2020 Fedora Release Engineering <releng@fedoraproject.org> - 1.15-4
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- Rebuilt for https://fedoraproject.org/wiki/Fedora_32_Mass_Rebuild
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@ -225,13 +363,13 @@ rm -Rf %{buildroot}
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* Fri Jan 13 2012 Fedora Release Engineering <rel-eng@lists.fedoraproject.org> - 1.9-2
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- Rebuilt for https://fedoraproject.org/wiki/Fedora_17_Mass_Rebuild
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* Mon Feb 28 2011 * Arnaldo Carvalho de Melo <acme@redhat.com> - 1.9-1
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* Sat Nov 20 2010 Arnaldo Carvalho de Melo <acme@redhat.com> - 1.9-1
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- New release
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* Tue Feb 08 2011 Fedora Release Engineering <rel-eng@lists.fedoraproject.org> - 1.8-2
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* Tue Feb 08 2010 Fedora Release Engineering <rel-eng@lists.fedoraproject.org> - 1.8-2
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- Rebuilt for https://fedoraproject.org/wiki/Fedora_15_Mass_Rebuild
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* Fri Dec 4 2009 Apr 23 2009 Arnaldo Carvalho de Melo <acme@redhat.com> - 1.8-1
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* Fri Dec 4 2009 Arnaldo Carvalho de Melo <acme@redhat.com> - 1.8-1
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- New release
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* Fri Feb 13 2009 Arnaldo Carvalho de Melo <acme@redhat.com> - 1.7-2
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Viktor Malik
Jiri Olsa
Mohan Boddu
Martin Cermak
DistroBaker