Support mips shared object debug info

MIPS's .dyanamic section is read-only.  Instead of using DT_DEBUG for
the pointer to dyld information it uses a separate tag DT_MIPS_RLD_MAP
which points to storage in the read-write .rld_map section, which in
turn points to the dyld information.

Review: http://llvm-reviews.chandlerc.com/D1890
llvm-svn: 192408

2 files changed, 4 insertions, 3 deletions

diff --git a/lldb/source/Plugins/ObjectFile/ELF/ObjectFileELF.cpp b/lldb/source/Plugins/ObjectFile/ELF/ObjectFileELF.cpp
index 0e31cbb45c8..00204e1ec0a 100644
--- a/lldb/source/Plugins/ObjectFile/ELF/ObjectFileELF.cpp
+++ b/lldb/source/Plugins/ObjectFile/ELF/ObjectFileELF.cpp
@@ -515,7 +515,7 @@ ObjectFileELF::GetDependentModules(FileSpecList &files)
 }
 
 Address
-ObjectFileELF::GetImageInfoAddress()
+ObjectFileELF::GetImageInfoAddress(bool &indirect)
 {
     if (!ParseDynamicSymbols())
         return Address();
@@ -539,8 +539,9 @@ ObjectFileELF::GetImageInfoAddress()
     {
         ELFDynamic &symbol = m_dynamic_symbols[i];
 
-        if (symbol.d_tag == DT_DEBUG)
+        if (symbol.d_tag == DT_DEBUG || symbol.d_tag == DT_MIPS_RLD_MAP)
         {
+            indirect = (symbol.d_tag == DT_MIPS_RLD_MAP);
             // Compute the offset as the number of previous entries plus the
             // size of d_tag.
             addr_t offset = i * dynsym_hdr->sh_entsize + GetAddressByteSize();
diff --git a/lldb/source/Plugins/ObjectFile/ELF/ObjectFileELF.h b/lldb/source/Plugins/ObjectFile/ELF/ObjectFileELF.h
index d66b6a1f252..1ee7979ef0e 100644
--- a/lldb/source/Plugins/ObjectFile/ELF/ObjectFileELF.h
+++ b/lldb/source/Plugins/ObjectFile/ELF/ObjectFileELF.h
@@ -127,7 +127,7 @@ public:
     GetDependentModules(lldb_private::FileSpecList& files);
 
     virtual lldb_private::Address
-    GetImageInfoAddress();
+    GetImageInfoAddress(bool &indirect);
     
     virtual lldb_private::Address
     GetEntryPointAddress ();