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* [llvm-readobj] Change -long-option to --long-option in tests. NFCFangrui Song2019-05-011-2/+2
| | | | | | | | | | We use both -long-option and --long-option in tests. Switch to --long-option for consistency. In the "llvm-readelf" mode, -long-option is discouraged as it conflicts with grouped short options and it is not accepted by GNU readelf. While updating the tests, change llvm-readobj -s to llvm-readobj -S to reduce confusion ("s" is --section-headers in llvm-readobj but --symbols in llvm-readelf). llvm-svn: 359649
* [MC] Add support for encoding CodeView variable definition rangesDavid Majnemer2016-02-051-2/+2
| | | | | | | | | | | | | | | | | | | CodeView, like most other debug formats, represents the live range of a variable so that debuggers might print them out. They use a variety of records to represent how a particular variable might be available (in a register, in a frame pointer, etc.) along with a set of ranges where this debug information is relevant. However, the format only allows us to use ranges which are limited to a maximum of 0xF000 in size. This means that we need to split our debug information into chunks of 0xF000. Because the layout of code is not known until *very* late, we must use a new fragment to record the information we need until we can know *exactly* what the range is. llvm-svn: 259868
* [MC, COFF] Add .reloc support for WinCOFFDavid Majnemer2016-01-191-0/+40
This adds rudimentary support for a few relocations that we will use for the CodeView debug format. llvm-svn: 258216
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