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* [llvm-readobj] Allow --hex-dump/--string-dump to dump multiple sectionsFangrui Song2019-06-181-8/+9
| | | | | | | | | | | | | | | | | | 1) `-x foo` currently dumps one `foo`. This change makes it dump all `foo`. 2) `-x foo -x foo` currently dumps `foo` twice. This change makes it dump `foo` once. In addition, if foo has section index 9, `-x foo -x 9` dumps `foo` once. 3) Give a warning instead of an error if `foo` does not exist. The new behaviors match GNU readelf. Also, print a new line as a separator between two section dumps. GNU readelf uses two lines, but one seems good enough. Reviewed By: grimar, jhenderson Differential Revision: https://reviews.llvm.org/D63475 llvm-svn: 363683
* [llvm-readobj] Reapply: Improve error message for --string-dumpStephen Tozer2019-04-151-5/+6
| | | | | | | | | | | | | | | | | This is a resubmission of a previous patch that caused test failures, with the fixes for the relevant tests included. Fixes bug 40630: https://bugs.llvm.org/show_bug.cgi?id=40630 This patch changes the error message when the section specified by --string-dump cannot be found by including the name of the section in the error message and changing the prefix text to not imply that the file itself was invalid. As part of this change some uses of std::error_code have been replaced with the llvm Error class to better encapsulate the error info (rather than passing File strings around), and the WithColor class replaces string literal error prefixes. llvm-svn: 358395
* Revert "[llvm-readobj] Improve error message for --string-dump"Stephen Tozer2019-04-051-6/+5
| | | | | | | | This reverts commit 681b0798dbbc6b3500c9930977ec8a274b142acb. Reverted due to causing build failures: llvm-svn: 357772 llvm-svn: 357774
* [llvm-readobj] Improve error message for --string-dumpStephen Tozer2019-04-051-5/+6
| | | | | | | | | | | | | | | | Fixes bug 40630: https://bugs.llvm.org/show_bug.cgi?id=40630 This patch changes the error message when the section specified by --string-dump cannot be found by including the name of the section in the error message and changing the prefix text to not imply that the file itself was invalid. As part of this change some uses of std::error_code have been replaced with the llvm Error class to better encapsulate the error info (rather than passing File strings around), and the WithColor class replaces string literal error prefixes. Differential Revision: https://reviews.llvm.org/D59946 llvm-svn: 357772
* [llvm-readelf] Allow prefix flags for -p and -xJordan Rupprecht2019-03-291-6/+37
| | | | | | | | | | | | | | | | Summary: This allows syntax like `llvm-readelf -p.data1 -x.data2`. Reviewers: jhenderson Reviewed By: jhenderson Subscribers: llvm-commits Tags: #llvm Differential Revision: https://reviews.llvm.org/D59965 llvm-svn: 357270
* [llvm-readobj]Add additional testing for various ELF featuresJames Henderson2019-02-271-0/+42
This patch adds testing of areas of the code that are not fully tested, in particular dynamic table printing, ELF type printing, handling of edge cases where things are missing/empty (relocations/program header tables/section header table), and the --string-dump switch. Reviewed by: grimar, higuoxing, rupprecht Differential Revision: https://reviews.llvm.org/D58677 llvm-svn: 355003
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