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11 Commits

Author SHA1 Message Date
Alexey Samsonov c942e6b781 Add support for fetching inlining context (stack of source code locations) 
by instruction address from DWARF.

Add --inlining flag to llvm-dwarfdump to demonstrate and test this functionality,
so that "llvm-dwarfdump --inlining --address=0x..." now works much like
"addr2line -i 0x...", provided that the binary has debug info
(Clang's -gline-tables-only *is* enough).

llvm-svn: 163128
 2012-09-04 08:12:33 +00:00
Eric Christopher 20b897b693 Formatting cleanup. 
llvm-svn: 162499
 2012-08-23 23:26:57 +00:00
Eric Christopher 9142ea7bec Add an assert here in case parsing gave us a NULL compile unit. 
llvm-svn: 162498
 2012-08-23 23:21:11 +00:00
Eric Christopher 0ef6ebc7e4 Tidy. 
llvm-svn: 162421
 2012-08-23 00:52:49 +00:00
Alexey Samsonov e16e16add6 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
Alexey Samsonov 5cbbf4ca57 Fix a bug in DebugInfo lib, extend a comment for one of the methods 
llvm-svn: 159707
 2012-07-04 09:42:54 +00:00
Alexey Samsonov f4462fa3ca This patch extends the libLLVMDebugInfo which contains a minimalistic DWARF parser: 
1) DIContext is now able to return function name for a given instruction address (besides file/line info).
2) llvm-dwarfdump accepts flag --functions that prints the function name (if address is specified by --address flag).
3) test case that checks the basic functionality of llvm-dwarfdump added

llvm-svn: 159512
 2012-07-02 05:54:45 +00:00
Benjamin Kramer 6dda032003 DWARF: Print line tables per compile unit, so they get the right address size. 
llvm-svn: 139808
 2011-09-15 18:02:20 +00:00
Benjamin Kramer 3266493603 DWARF: Generate the address lookup table from the DIE tree if .debug_aranges is not available. 
Ported from LLDB.

llvm-svn: 139732
 2011-09-14 20:52:27 +00:00
Benjamin Kramer 1b2a65ca3a DebugInfo: Don't print DIEs multiple times. 
llvm-svn: 139671
 2011-09-14 00:15:32 +00:00
Benjamin Kramer aa2f78f5e6 Sketch out a DWARF parser. 
This introduces a new library to LLVM: libDebugInfo. It will provide debug information
parsing to LLVM. Much of the design and some of the code is taken from the LLDB project.

It also contains an llvm-dwarfdump tool that can dump the abbrevs and DIEs from an
object file. It can be used to write tests for DWARF input and output easily.

llvm-svn: 139627
 2011-09-13 19:42:23 +00:00