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6 Commits

Author SHA1 Message Date
Reid Kleckner
47b3c23517 [codeview] Dump a missing field and change its signedness 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@259904 91177308-0d34-0410-b5e6-96231b3b80d8
 2016-02-05 19:15:45 +00:00
David Majnemer
7ddc547ea9 [MC] Add support for encoding CodeView variable definition ranges 
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.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@259868 91177308-0d34-0410-b5e6-96231b3b80d8
 2016-02-05 01:55:49 +00:00
David Majnemer
75a2a42e95 Add support for S_DEFRANGE and S_DEFRANGE_SUBFIELD 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@259805 91177308-0d34-0410-b5e6-96231b3b80d8
 2016-02-04 17:37:30 +00:00
David Majnemer
62dc24c965 [llvm-readobj] Add support for dumping S_DEFRANGE symbols 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@259719 91177308-0d34-0410-b5e6-96231b3b80d8
 2016-02-03 22:36:46 +00:00
David Majnemer
294255bbe4 [CodeView] Add support for dumping binary annotations 
Binary annotations are encoded along the lines of UTF-8 and ECI but with
a few minor differences.

The algorithm specified in "ECMA-335 CLI Section II.3.2 - Blobs and
Signatures" is used to compress binary annotations.  Signed binary
annotations are encoded like unsigned annotations except the sign bit is
rotated left to reduce the number of bits needed to be encoded.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@257742 91177308-0d34-0410-b5e6-96231b3b80d8
 2016-01-14 06:12:30 +00:00
Reid Kleckner
c40a833c41 Add file missing from r257712 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@257715 91177308-0d34-0410-b5e6-96231b3b80d8
 2016-01-13 23:48:32 +00:00