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have children sections).
Modified SectionLoadList to do it's own multi-threaded protected on its map.
The ThreadSafeSTLMap class was difficult to deal with and wasn't providing
much utility, it was only getting in the way.
Make sure when the communication read thread is about to exit, it clears the
thread in the main class.
Fixed the ModuleList to correctly ignore architectures and UUIDs if they aren't
valid when searching for a matching module. If we specified a file with no arch,
and then modified the file and loaded it again, it would not match on subsequent
searches if the arch was invalid since it would compare an invalid architecture
to the one that was found or selected within the shared library or executable.
This was causing stale modules to stay around in the global module list when they
should have been removed.
Removed deprecated functions from the DynamicLoaderMacOSXDYLD class.
Modified "ProcessGDBRemote::IsAlive" to check if we are connected to a gdb
server and also make sure our process hasn't exited.
llvm-svn: 121236
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it indents and shows things correctly. When we are debugging DWARF
in .o files with debug map, we can see the remapped sections by
dumping the sections for the .o files by explicitly dumping the
module by name. For example, debugging the lldb/test/class_types
example on MacOSX without a dSYM file we can make a query that
causes the main.o file to be loaded, then we can do a:
(lldb) image dump section main.o
This will show the exact section map that is used and can help
track down when things are going wrong with DWARF in .o files with
debug map.
llvm-svn: 121154
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if two functions had the same demangled names (constructors where
we have the in charge and not in charge version) we could end up
mixing the two up when making the function in the DWARF. This was
because we need to lookup the symbol by name and we need to use the
mangled name if there is one. This ensures we get the correct address
and that we resolve the linked addresses correctly for DWARf with debug
map.
llvm-svn: 121116
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all of the calls inlined in the header file for better performance.
Fixed the summary for C string types (array of chars (with any combo if
modifiers), and pointers to chars) work in all cases.
Fixed an issue where a forward declaration to a clang type could cause itself
to resolve itself more than once if, during the resolving of the type itself
it caused something to try and resolve itself again. We now remove the clang
type from the forward declaration map in the DWARF parser when we start to
resolve it and avoid this additional call. This should stop any duplicate
members from appearing and throwing all the alignment of structs, unions and
classes.
llvm-svn: 117437
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if the address comes from a data section.
Fixed an issue that could occur when looking up a symbol that has a zero
byte size where no match would be returned even if there was an exact symbol
match.
Cleaned up the section dump output and added the section type into the output.
llvm-svn: 116017
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to symbolicate things without the need for a valid process subclass.
llvm-svn: 113895
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debug map showed that the location lists in the .o files needed some
refactoring in order to work. The case that was failing was where a function
that was in the "__TEXT.__textcoal_nt" in the .o file, and in the
"__TEXT.__text" section in the main executable. This made symbol lookup fail
due to the way we were finding a real address in the debug map which was
by finding the section that the function was in in the .o file and trying to
find this in the main executable. Now the section list supports finding a
linked address in a section or any child sections. After fixing this, we ran
into issue that were due to DWARF and how it represents locations lists.
DWARF makes a list of address ranges and expressions that go along with those
address ranges. The location addresses are expressed in terms of a compile
unit address + offset. This works fine as long as nothing moves around. When
stuff moves around and offsets change between the remapped compile unit base
address and the new function address, then we can run into trouble. To deal
with this, we now store supply a location list slide amount to any location
list expressions that will allow us to make the location list addresses into
zero based offsets from the object that owns the location list (always a
function in our case).
With these fixes we can now re-link random address ranges inside the debugger
for use with our DWARF + debug map, incremental linking, and more.
Another issue that arose when doing the DWARF in the .o files was that GCC
4.2 emits a ".debug_aranges" that only mentions functions that are externally
visible. This makes .debug_aranges useless to us and we now generate a real
address range lookup table in the DWARF parser at the same time as we index
the name tables (that are needed because .debug_pubnames is just as useless).
llvm-gcc doesn't generate a .debug_aranges section, though this could be
fixed, we aren't going to rely upon it.
Renamed a bunch of "UINT_MAX" to "UINT32_MAX".
llvm-svn: 113829
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SectionType for Section objects for DWARF.
Modified the DWARF plug-in to get the DWARF sections by SectionType so we
can safely abstract the LLDB core from section names for the various object
file formats.
Modified the SectionType definitions for .debug_pubnames and .debug_pubtypes
to use the correct case.
llvm-svn: 109054
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llvm-svn: 109040
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source/Core/Disassembler.cpp.
Added the ability to read memory from the target's object files when we aren't
running, so disassembling works before you run!
Cleaned up the API to lldb_private::Target::ReadMemory().
Cleaned up the API to the Disassembler to use actual "lldb_private::Address"
objects instead of just an "addr_t". This is nice because the Address objects
when resolved carry along their section and module which can get us the
object file. This allows Target::ReadMemory to be used when we are not
running.
Added a new lldb_private::Address dump style: DumpStyleDetailedSymbolContext
This will show a full breakdown of what an address points to. To see some
sample output, execute a "image lookup --address <addr>".
Fixed SymbolContext::DumpStopContext(...) to not require a live process in
order to be able to print function and symbol offsets.
llvm-svn: 107350
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Added the ability to dump any file in the global module cache using any of
the "image dump" commands. This allows us to dump the .o files that are used
with DWARF + .o since they don't belong the the target list for the current
target.
llvm-svn: 107100
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llvm-svn: 105619
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