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Commit Graph

7 Commits

Author SHA1 Message Date
Alexey Samsonov
ac2e149b2d Refactor fetching file/line info from DWARFContext to simplify the
code and allow better code reuse. Make the code a bit more conforming
to LLVM code style.
No functionality change.

llvm-svn: 162895
2012-08-30 07:49:50 +00:00
Alexey Samsonov
fa8f91a368 Fix the representation of debug line table in DebugInfo LLVM library,
and "instruction address -> file/line" lookup.

Instead of plain collection of rows, debug line table for compilation unit is now
treated as the number of row ranges, describing sequences (series of contiguous machine
instructions). The sequences are not always listed in the order of increasing
address, so previously used std::lower_bound() sometimes produced wrong results.
Now the instruction address lookup consists of two stages: finding the correct
sequence, and searching for address in range of rows for this sequence.

llvm-svn: 161414
2012-08-07 11:46:57 +00:00
Alexey Samsonov
8832a9374f DebugInfo library: add support for fetching absolute paths to source files
(instead of basenames) from DWARF. Use this behavior in llvm-dwarfdump tool.

Reviewed by Benjamin Kramer.

llvm-svn: 160496
2012-07-19 07:03:58 +00:00
Benjamin Kramer
5307d9c91a DWARF: Remove accessors that parse the whole line table section in one go, this can't possibly work.
The address size is specified by the compile unit associated with a line table, there is no global address size.

llvm-svn: 139835
2011-09-15 20:43:18 +00:00
Nick Lewycky
4b85977895 Give structs with virtual methods a virtual destructor.
llvm-svn: 139776
2011-09-15 03:41:51 +00:00
Benjamin Kramer
551244d899 DWARF: Fix indentation.
llvm-svn: 139774
2011-09-15 03:11:09 +00:00
Benjamin Kramer
ceca872d69 DWARF: Add basic support for line tables.
The llvm-dwarfdump output isn't very verbose yet.

llvm-svn: 139771
2011-09-15 02:12:05 +00:00