[Lldb-commits] [lldb] r263131 - [Renderscript] Add stack argument reading code for Mipsel 2

[Aidan Dodds via lldb-commits]

Author: aidandodds
Date: Thu Mar 10 11:37:02 2016
New Revision: 263131

URL: http://llvm.org/viewvc/llvm-project?rev=263131&view=rev
Log:
[Renderscript] Add stack argument reading code for Mipsel 2

This commit implements the reading of stack spilled function arguments for little endian MIPS targets.

Committed on behalf of: Dean De Leo <dean at codeplay.com>

Modified:
    lldb/trunk/source/Plugins/LanguageRuntime/RenderScript/RenderScriptRuntime/RenderScriptRuntime.cpp

Modified: lldb/trunk/source/Plugins/LanguageRuntime/RenderScript/RenderScriptRuntime/RenderScriptRuntime.cpp
URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/source/Plugins/LanguageRuntime/RenderScript/RenderScriptRuntime/RenderScriptRuntime.cpp?rev=263131&r1=263130&r2=263131&view=diff
==============================================================================
--- lldb/trunk/source/Plugins/LanguageRuntime/RenderScript/RenderScriptRuntime/RenderScriptRuntime.cpp (original)
+++ lldb/trunk/source/Plugins/LanguageRuntime/RenderScript/RenderScriptRuntime/RenderScriptRuntime.cpp Thu Mar 10 11:37:02 2016
@@ -364,8 +364,15 @@ GetArgsMipsel(GetArgsCtx &ctx, ArgItem *
         // arguments passed on the stack
         else
         {
-            if (log)
-                log->Printf("%s - reading arguments spilled to stack not implemented.", __FUNCTION__);
+            const size_t arg_size = sizeof(uint32_t);
+            uint64_t sp = ctx.reg_ctx->GetSP();
+            uint32_t offset = i * arg_size;
+            arg.value = 0;
+            Error error;
+            size_t bytes_read = ctx.process->ReadMemory(sp + offset, &arg.value, arg_size, error);
+            success = (error.Success() && bytes_read == arg_size);
+            if (!success && log)
+                log->Printf ("RenderScriptRuntime::GetArgSimple - error reading Mips stack: %s.", error.AsCString());
         }
         // fail if we couldn't read this argument
         if (!success)