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[CodeView] Add support for emitting column information

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Column information is present in CodeView when the line table subsection
has bit 0 set to 1 in it's flags field.  The column information is
represented as a pair of 16-bit quantities: a starting and ending
column.  This information is present at the end of the chunk, after all
the line-PC pairs.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@241764 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
David Majnemer
2015-07-09 00:19:51 +00:00
parent f7f4697e3c
commit b1d6ad18ba
9 changed files with 259 additions and 50 deletions
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1
include/llvm/Support/COFF.h
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@@ -655,6 +655,7 @@ namespace COFF {
};
enum CodeViewIdentifiers {
DEBUG_LINE_TABLES_HAVE_COLUMN_RECORDS = 0x1,
DEBUG_SECTION_MAGIC = 0x4,
DEBUG_SYMBOL_SUBSECTION = 0xF1,
DEBUG_LINE_TABLE_SUBSECTION = 0xF2,