Commit Graph

8 Commits

Author SHA1 Message Date
Jayson Yan 1f35d7b5de [llvm-readobj] Add JSONScopedPrinter to llvm-readelf
Adds JSONScopedPrinter to llvm-readelf. It includes an empty
JSONELFDumper class which will be used to override any LLVMELFDumper
methods which utilize startLine() which JSONScopedPrinter cannot
provide.

This introduces a change where calls to llvm-readelf with non-ELF object
files that specify --elf-output-style=GNU will now print file summary
information where it previously didn't.

Fixes previous Windows test failure which occured due to JSON escaping
of '\' by not relying on LIT substitution.

Reviewed By: jhenderson

Differential Revision: https://reviews.llvm.org/D114225
2021-12-10 23:34:27 +00:00
Jayson Yan 2526335595 Revert "[llvm-readobj] Add JSONScopedPrinter to llvm-readelf"
This reverts commit 824eef231a.
file-summary-json.test and pretty-print.test fails on Windows.
2021-12-10 21:01:27 +00:00
Jayson Yan 824eef231a [llvm-readobj] Add JSONScopedPrinter to llvm-readelf
Adds JSONScopedPrinter to llvm-readelf. It includes an empty
 JSONELFDumper class which will be used to override any LLVMELFDumper
 methods which utilize startLine() which JSONScopedPrinter cannot
 provide.

 Reviewed By: jhenderson

 Differential Revision: https://reviews.llvm.org/D114225
2021-12-10 18:57:34 +00:00
zhijian 158083f0de [AIX][XCOFF] parsing xcoff object file auxiliary header
Summary:

The patch supports parsing the xcoff object file auxiliary header with llvm-readobj with option "auxiliary-headers"

the format of auxiliary header as
https://www.ibm.com/support/knowledgecenter/en/ssw_aix_72/filesreference/XCOFF.html#XCOFF__fyovh386shar

Reviewers: James Henderson, Jason Liu, Hubert Tong, Esme yi, Sean Fertile.

Differential Revision: https://reviews.llvm.org/D82549
2021-10-26 10:40:25 -04:00
gbreynoo a64e6ecfe1 [llvm-readelf] Make -W an alias of --wide
Currently -W and --wide are treated as two options as they are only
included for gnu readelf compatibility and ignored. This change makes -W
an alias of --wide to be consistent with other option aliases.

Differential Revision: https://reviews.llvm.org/D111731
2021-10-15 16:27:53 +01:00
gbreynoo 14d76a376a [llvm-readelf][docs] Add missing options and details to the help output and the command guide
This change is to keep the help text and command guide of llvm-readelf
in tandem.

 - In the help text mention that --section-data, --section-relocations,
   --section-symbols and --stack-sizes have no effect on GNU style
   output; give the accepted values for --elf-output-style and update
   the description of --gnu-hash-table to use the command guide
   description.
 - In the command guide add the missing options -a,
   --dependant-libraries,--no-demangle, --wide and -W. Also update the
   description of --symbols so it matches the help text.

Differential Revision: https://reviews.llvm.org/D111240
2021-10-07 17:11:02 +01:00
Fangrui Song 3f9004c19c [llvm-readelf/llvm-readobj] Remove one-dash long options
llvm-readelf is a user-facing tool which emulates GNU readelf. Remove one-dash
long options which are not recognized by GNU style `getopt_long`. This ensures
long options cannot collide with grouped short options.

Note: the documentation (D63719)/help messages have recommended the double-dash
forms since LLVM 9.0.0.
llvm-readobj is intended as an internal tool which has some flexibility.
llvm-readelf/llvm-readobj use the same option parsing code and llvm-readobj's
one-dash long options aren't used after test migration.

Differential Revision: https://reviews.llvm.org/D106037
2021-07-16 12:03:08 -07:00
Fangrui Song 46580d43fc [llvm-readobj] Switch command line parsing from llvm::cl to OptTable
Users should generally observe no difference as long as they don't use
unintended option forms. Behavior changes:

* `-t=d` is removed. Use `-t d` instead.
* `--demangle=false` and `--demangle=0` cannot be used. Omit the option or use `--no-demangle`. Other flag-style options don't have `--no-` forms.
* `--help-list` is removed. This is a `cl::` specific option.
* llvm-readobj now supports grouped short options as well.
* `--color` is removed. This is generally not useful (only apply to errors/warnings) but was inherited from Support.

Some adjustment to the canonical forms
(usually from GNU readelf; currently llvm-readobj has too many redundant aliases):

* --dyn-syms is canonical. --dyn-symbols is a hidden alias
* --file-header is canonical. --file-headers is a hidden alias
* --histogram is canonical. --elf-hash-histogram is a hidden alias
* --relocs is canonical. --relocations is a hidden alias
* --section-groups is canonical. --elf-section-groups is a hidden alias

OptTable avoids global option collision if we decide to support multiplexing for binary utilities.

* Most one-dash long options are still supported. `-dt, -sd, -st, -sr` are dropped due to their conflict with grouped short options.
* `--section-mapping=false` (D57365) is strange but is kept for now.
* Many `cl::opt` variables were unnecessarily external. I added `static` whenever appropriate.

Reviewed By: jhenderson

Differential Revision: https://reviews.llvm.org/D105532
2021-07-12 10:14:42 -07:00