MFC r262528: Update LLDB snapshot to upstream r202189

  Highlights include (upstream revs in parens):

  - Improvements to the remote GDB protocol client
    (r196610, r197579, r197857, r200072, and others)

  - Bug fixes for big-endian targets
    (r196808)

  - Initial support for libdispatch (GCD) queues in the debuggee
    (r197190)

  - Add "step-avoid-libraries" setting
    (r199943)

  - IO subsystem improvements (including initial work on a curses gui)
    (r200263)

  - Support hardware watchpoints on FreeBSD
    (r201706)

  - Improved unwinding through hand-written assembly functions
    (r201839)

  - Handle DW_TAG_unspecified_parameters for variadic functions
    (r202061)

  - Fix Ctrl+C interrupting a running inferior process
    (r202086, r202154)

  - Various bug fixes for memory leaks, LLDB segfaults, the C++ demangler,
    ELF core files, DWARF debug info, and others.

Sponsored by:	DARPA, AFRL

1 files changed, 42 insertions, 0 deletions

diff --git a/contrib/llvm/tools/lldb/source/Plugins/ObjectFile/ELF/ObjectFileELF.cpp b/contrib/llvm/tools/lldb/source/Plugins/ObjectFile/ELF/ObjectFileELF.cpp
index 7bdacfe..335090c 100644
--- a/contrib/llvm/tools/lldb/source/Plugins/ObjectFile/ELF/ObjectFileELF.cpp
+++ b/contrib/llvm/tools/lldb/source/Plugins/ObjectFile/ELF/ObjectFileELF.cpp
@@ -24,6 +24,7 @@
 #include "lldb/Core/Stream.h"
 #include "lldb/Symbol/DWARFCallFrameInfo.h"
 #include "lldb/Symbol/SymbolContext.h"
+#include "lldb/Target/SectionLoadList.h"
 #include "lldb/Target/Target.h"
 #include "lldb/Host/Host.h"
 
@@ -462,6 +463,47 @@ ObjectFileELF::IsExecutable() const
     return m_header.e_entry != 0;
 }
 
+bool
+ObjectFileELF::SetLoadAddress (Target &target,
+                               lldb::addr_t value,
+                               bool value_is_offset)
+{
+    ModuleSP module_sp = GetModule();
+    if (module_sp)
+    {
+        size_t num_loaded_sections = 0;
+        SectionList *section_list = GetSectionList ();
+        if (section_list)
+        {
+            if (value_is_offset)
+            {
+                const size_t num_sections = section_list->GetSize();
+                size_t sect_idx = 0;
+
+                for (sect_idx = 0; sect_idx < num_sections; ++sect_idx)
+                {
+                    // Iterate through the object file sections to find all
+                    // of the sections that have SHF_ALLOC in their flag bits.
+                    SectionSP section_sp (section_list->GetSectionAtIndex (sect_idx));
+                    // if (section_sp && !section_sp->IsThreadSpecific())
+                    if (section_sp && section_sp->Test(SHF_ALLOC))
+                    {
+                        if (target.GetSectionLoadList().SetSectionLoadAddress (section_sp, section_sp->GetFileAddress() + value))
+                            ++num_loaded_sections;
+                    }
+                }
+                return num_loaded_sections > 0;
+            }
+            else
+            {
+                // Not sure how to slide an ELF file given the base address
+                // of the ELF file in memory
+            }
+        }
+    }
+    return false; // If it changed
+}
+
 ByteOrder
 ObjectFileELF::GetByteOrder() const
 {