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11 Commits

Author SHA1 Message Date
Vitaly Chikunov
457fef1d64 debuginfo: strip --reloc-debug-sections for kernel modules 
`--reloc-debug-sections` resolves trivial relocs between debug
sections and designed for use on kernel modules debug (.ko.debug)
reducing their sizes.
 2020-12-18 03:45:22 +03:00
Vitaly Chikunov
309af2d59e debuginfo: Create empty src/debug directories for paths with `..' 
Create empty directories under `/usr/src/debug` tree for source paths
containing `..` (for example `../../src` in elfutils). This should fix
debuginfo sources for autotools builds in subdir.

Fixes: https://bugzilla.altlinux.org/39175
 2020-11-12 22:08:42 +03:00
Vitaly Chikunov
4738619b15 debuginfo: Allow kbuilds with the output directory 
Consider another directory level when searching for vmlinux, for kernel
builds in sub-directory using `make O=output_dir'. Also, improve warning
message making it more understandable.
 2020-11-06 15:16:45 +03:00
Vitaly Chikunov
453b0907f5 debuginfo: Do not try to use eu-elfcompress if it does not exist 
Reason: ae1ecef8 ("process-debuginfo: Do not call eu-elfcompress if it doesn't exist")
Fixes: 8682814b ("debuginfo: Try to uncompress if debugedit failed to extract sources list")
 2020-08-28 03:09:00 +03:00
Vitaly Chikunov
8682814b04 debuginfo: Try to uncompress if debugedit failed to extract sources list 
If debugedit failed to extract sources list, uncompress and try again.
Then compress back.

ps. Interesting relevant reading:
  https://blogs.oracle.com/solaris/elf_section_compression-v2

Spelling suggestions by Dmitry V. Levin <ldv@altlinux.org>.
 2020-08-23 17:02:20 +03:00
Vitaly Chikunov
a64fcaf7a3 process-debuginfo: Change 'echo Warning' to 'Warning' call 
Use dedicated `Warning' function instead of `echo'.

Suggested-by: Dmitry V. Levin <ldv@altlinux.org>
 2020-08-21 23:38:49 +03:00
Vitaly Chikunov
deaca8d8e3 debuginfo: Show warnings if .debug sections are absent 
Actually, `.debug_line` section is checked (implicitly by debugedit)
which should go together with all `.debug_*` sections. This
simplification will make check faster.

Note: Only non-stripped binaries are checked.

Spelling fixes, usage of `Warning' function, and redirect to stderr is
suggested by Dmitry V. Levin <ldv@altlinux.org>.
 2020-08-21 23:37:05 +03:00
Vitaly Chikunov
ae1ecef8bd process-debuginfo: Do not call eu-elfcompress if it doesn't exist 
E2K arch have old elfutils-0.159 which doesn't have eu-elfcompress.
Error:

  /usr/lib/rpm/process-debuginfo: line 68: eu-elfcompress: command not found

Reported-by: Andrey Savchenko <bircoph@altlinux.org>
 2020-07-09 19:23:18 +03:00
Vitaly Chikunov
ea366ac608 process-debuginfo: Better search for vmlinux 
Find first file, in any dir name, three levels max from $RPM_BUILD_DIR.

Fix incompatibility found by building ovz kernel.
 2020-07-07 02:09:44 +03:00
Vitaly Chikunov
f73a3de55c process-debuginfo: Do not eu-elfcompress vmlinux.debug 
Allow `crash` (gdb-7.6 based) to work out of the box.

Otherwise it will fail with the error:

  Dwarf Error: wrong version in compilation unit header (is 0, should be 2, 3, or 4)

Alas, it will not be able to load debuginfo for the ko modules, but, advanced
user can `eu-elfcompress -t none` them manually.

We can't keep modules uncompressed due to `cpio archive too big - 4136M'
RPM build error.
 2020-07-06 08:48:55 +03:00
Vitaly Chikunov
5cc014bed6 Process debuginfo in parallel 
- Split processing of single binary into separate script.
- Call it from xargs -P.
 2020-07-05 01:06:16 +03:00