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Jiri Olsa 06ca639505 btf_encoder: Use address size based on ELF's class 
We can't assume the address size is always size of unsigned long, we
have to use directly the ELF's address size.

Change the 'addrs' array to __u64 and convert 32 bit address values when
copying from ELF section.

Committer notes:

Jiri tested this by:

<quote>
So to test this I built 32bit vmlinux and used 64bit pahole
to generate BTF data on both vmlinux and modules, which I
thought was valid use case.
</>

Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Acked-by: Andrii Nakryiko <andrii@kernel.org>
Cc: Alexei Starovoitov <ast@kernel.org>
Cc: Hao Luo <haoluo@google.com>
Cc: Yonghong Song <yhs@fb.com>
Cc: bpf@vger.kernel.org
Cc: dwarves@vger.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
 		2020-12-07 12:49:49 -03:00
cmake/modules cmake: libebl was merged into libdw 2020-02-03 08:42:13 +01:00
lib libbpf: Update libbpf submodule reference to latest master 2020-11-11 08:43:44 -03:00
man-pages pahole: Add heuristic to auto-add --btf_base for /sys/kernel/btf/ prefixed files 2020-11-18 11:10:23 -03:00
ostra ostra: Initial python3 conversion 2019-04-23 12:02:22 -03:00
rpm/SPECS rpm: Fix changelog date 2020-12-04 19:59:44 -03:00
.gitignore pahole: Add build dir, config.h to .gitignore 2019-02-11 12:55:46 -03:00
.gitmodules pahole: add libbpf as submodule under lib/bpf 2019-02-11 12:56:40 -03:00
CMakeLists.txt dwarves: Prep v1.19 2020-11-23 09:52:44 -03:00
COPYING [LICENSE]: Add COPYING file and add missing license info on some files 2007-12-17 14:15:42 -02:00
MANIFEST dwarves: Prep v1.19 2020-11-23 09:52:44 -03:00
NEWS dwarves: Prep v1.19 2020-11-23 09:52:44 -03:00
README [CMAKE]: Make the default install prefix be /usr/local 2007-04-19 18:01:47 -03:00
README.DEBUG README.DEBUG: Add an extra step to make the instructions cut'n'exec 2017-12-14 14:15:54 -03:00
README.btf v1.13: New release 2019-04-16 16:13:19 -03:00
README.cross README: Add instructions to do a cross build 2020-08-17 09:52:02 -03:00
README.ctracer ctracer: update README.ctracer, f9 has the dwarves 2008-10-29 08:54:53 -02:00
README.tarball docs: Add command line to generate tarball with a prefix 2020-03-12 16:55:15 -03:00
btf_encoder.c btf_encoder: Use address size based on ELF's class 2020-12-07 12:49:49 -03:00
btf_encoder.h btf_encoder: Allow disabling BTF var encoding. 2020-09-21 17:00:16 -03:00
btf_loader.c btf: Add support for split BTF loading and encoding 2020-11-11 09:12:44 -03:00
btfdiff v1.13: New release 2019-04-16 16:13:19 -03:00
changes-v1.13 v1.13: New release 2019-04-16 16:13:19 -03:00
changes-v1.16 dwarves: Prep v1.16 2019-12-16 11:43:53 -03:00
changes-v1.17 dwarves: Prep v1.17 2020-03-13 16:36:02 -03:00
changes-v1.18 dwarves: Prep v1.18 2020-10-02 17:29:59 -03:00
changes-v1.19 dwarves: Prep v1.19 2020-11-23 09:52:44 -03:00
codiff.c codiff: Remove unused filenames variable 2019-07-01 16:41:02 -03:00
config.h.cmake [DWARVES] Fixes a FIXME relating to a missing elf (libdw) symbol check. 2008-02-12 21:08:49 -02:00
ctf.h Adopt SPDX-License-Identifier 2019-01-18 15:41:48 -03:00
ctf_encoder.c strings: use BTF's string APIs for strings management 2020-10-20 17:17:51 -03:00
ctf_encoder.h Adopt SPDX-License-Identifier 2019-01-18 15:41:48 -03:00
ctf_loader.c dwarves: Move the common initialization of fields for 'struct type' 2020-08-05 15:16:19 -03:00
ctfdwdiff ctfdwdiff: Don't ask for variables and inline expansions in pfunct 2009-03-31 19:21:46 -03:00
ctracer.c dwarves: Adopt tag__is_base_type() from ctrace.c 2020-06-24 14:14:33 -03:00
dtagnames.c Adopt SPDX-License-Identifier 2019-01-18 15:41:48 -03:00
dutil.c dutils: Allow for having a priv area per strlist 2020-08-05 15:16:19 -03:00
dutil.h dutils: Allow for having a priv area per strlist 2020-08-05 15:16:19 -03:00
dwarf_loader.c dwarf_loader: Fix partial unit warning 2020-11-09 15:45:26 -03:00
dwarves.c pahole: Introduce --numeric_version for use in scripts and Makefiles 2020-11-10 13:04:22 -03:00
dwarves.h fprintf: Add enumeration__max_entry_name_len() 2020-11-19 11:25:47 -03:00
dwarves_emit.c emit: Remove unused 'is_pointer' variable 2019-07-02 10:27:16 -03:00
dwarves_emit.h Adopt SPDX-License-Identifier 2019-01-18 15:41:48 -03:00
dwarves_fprintf.c fprintf: Make typedef__fprintf print anonymous enums 2020-11-19 11:41:18 -03:00
dwarves_reorganize.c reorganize: Enclose bitfield routines under ifdef 2019-07-02 12:28:50 -03:00
dwarves_reorganize.h Adopt SPDX-License-Identifier 2019-01-18 15:41:48 -03:00
elf_symtab.c Adopt SPDX-License-Identifier 2019-01-18 15:41:48 -03:00
elf_symtab.h Adopt SPDX-License-Identifier 2019-01-18 15:41:48 -03:00
elfcreator.c elfcreator: Address initialization warning emitted by 'gcc -O6' 2019-12-16 11:19:47 -03:00
elfcreator.h Adopt SPDX-License-Identifier 2019-01-18 15:41:48 -03:00
fullcircle v1.13: New release 2019-04-16 16:13:19 -03:00
gobuffer.c gobuffer: Do not crash on object without any public symbols 2020-01-17 13:54:15 -03:00
gobuffer.h Adopt SPDX-License-Identifier 2019-01-18 15:41:48 -03:00
hash.h [DWARVES]: Use a hash table for the tags in a CU 2008-02-11 11:47:17 -02:00
libbtf.c btf: Fallback to raw BTF mode if the header magic matches 2020-11-18 10:34:43 -03:00
libbtf.h btf: Add support for split BTF loading and encoding 2020-11-11 09:12:44 -03:00
libctf.c strings: use BTF's string APIs for strings management 2020-10-20 17:17:51 -03:00
libctf.h strings: use BTF's string APIs for strings management 2020-10-20 17:17:51 -03:00
list.h Adopt SPDX-License-Identifier 2019-01-18 15:41:48 -03:00
pahole.c pahole: Add heuristic to auto-add --btf_base for /sys/kernel/btf/ prefixed files 2020-11-18 11:10:23 -03:00
pahole_strings.h strings: use BTF's string APIs for strings management 2020-10-20 17:17:51 -03:00
pdwtags.c core: Allow the loaders to advertise features they have 2019-04-15 14:45:27 -03:00
pfunct.c pfunct: Use load stealer to speed up --class 2020-11-16 08:15:23 -03:00
pglobal.c pglobal: Allow passing the format path specifier, to use with BTF 2019-10-24 08:17:16 -03:00
prefcnt.c prefcnt: Avoid ambiguous else with for_each macro 2019-07-02 12:31:57 -03:00
rbtree.c Adopt SPDX-License-Identifier 2019-01-18 15:41:48 -03:00
rbtree.h Adopt SPDX-License-Identifier 2019-01-18 15:41:48 -03:00
regtest regtest: Accept --diff instad of plain 'diff' as long option 2012-05-14 19:36:58 -03:00
scncopy.c Adopt SPDX-License-Identifier 2019-01-18 15:41:48 -03:00
strings.c strings: use BTF's string APIs for strings management 2020-10-20 17:17:51 -03:00
syscse.c dwarves: Make function__for_each_parameter receive 'cu' arg 2020-01-09 14:16:52 -03:00

README 

Build instructions:

1. install cmake
2. mkdir build
3. cd build
4. cmake -D__LIB=lib ..
5. make install

Default is to be installed on /usr/local, see rpm spec file for
installing on other places.

Known to work scenarios:

Mandriva Cooker:

cmake 2.4.5-1mdv2007.1
libelfutils1-devel 0.123-1mdv2007.1

Debian Unstable:

cmake 2.4.5-1
libdw-dev 0.123-2

Fedora Core 6:

cmake 2.4.5-2.fc6
elfutils-devel 0.126-1.fc6