[Lldb-commits] [PATCH] Initial patch for supporting Hexagon DSP

[Deepak Panickal]

- Have added the architecture variants
- Also updated the Static Loader
- More commits to follow

http://llvm-reviews.chandlerc.com/D2820

Files:
  include/lldb/Core/ArchSpec.h
  source/Core/ArchSpec.cpp
  source/Plugins/DynamicLoader/Static/DynamicLoaderStatic.cpp
  source/Plugins/Platform/Linux/PlatformLinux.cpp
  source/Plugins/Platform/Windows/PlatformWindows.cpp
  source/Target/Thread.cpp

Index: include/lldb/Core/ArchSpec.h
===================================================================
--- include/lldb/Core/ArchSpec.h
+++ include/lldb/Core/ArchSpec.h
@@ -92,6 +92,10 @@
         
         eCore_x86_64_x86_64,
         eCore_x86_64_x86_64h, // Haswell enabled x86_64
+        eCore_hexagon_generic,
+        eCore_hexagon_hexagonv4,
+        eCore_hexagon_hexagonv5,
+
         eCore_uknownMach32,
         eCore_uknownMach64,
         kNumCores,
@@ -103,6 +107,7 @@
         kCore_ppc_any,
         kCore_ppc64_any,
         kCore_x86_32_any,
+        kCore_hexagon_any,
 
         kCore_arm_first     = eCore_arm_generic,
         kCore_arm_last      = eCore_arm_xscale,
@@ -117,7 +122,10 @@
         kCore_ppc64_last    = eCore_ppc64_ppc970_64,
 
         kCore_x86_32_first  = eCore_x86_32_i386,
-        kCore_x86_32_last   = eCore_x86_32_i486sx
+        kCore_x86_32_last   = eCore_x86_32_i486sx,
+
+        kCore_hexagon_first  = eCore_hexagon_generic,
+        kCore_hexagon_last   = eCore_hexagon_hexagonv5
     };
 
     //------------------------------------------------------------------
Index: source/Core/ArchSpec.cpp
===================================================================
--- source/Core/ArchSpec.cpp
+++ source/Core/ArchSpec.cpp
@@ -105,6 +105,10 @@
 
     { eByteOrderLittle, 8, 1, 15, llvm::Triple::x86_64 , ArchSpec::eCore_x86_64_x86_64  , "x86_64"    },
     { eByteOrderLittle, 8, 1, 15, llvm::Triple::x86_64 , ArchSpec::eCore_x86_64_x86_64h , "x86_64h"   },
+    { eByteOrderLittle, 4, 4, 4, llvm::Triple::hexagon , ArchSpec::eCore_hexagon_generic,    "hexagon"   },
+    { eByteOrderLittle, 4, 4, 4, llvm::Triple::hexagon , ArchSpec::eCore_hexagon_hexagonv4,  "hexagonv4" },
+    { eByteOrderLittle, 4, 4, 4, llvm::Triple::hexagon , ArchSpec::eCore_hexagon_hexagonv5,  "hexagonv5" },
+
     { eByteOrderLittle, 4, 4, 4 , llvm::Triple::UnknownArch , ArchSpec::eCore_uknownMach32  , "unknown-mach-32" },
     { eByteOrderLittle, 8, 4, 4 , llvm::Triple::UnknownArch , ArchSpec::eCore_uknownMach64  , "unknown-mach-64" }
 };
@@ -237,7 +241,8 @@
     { ArchSpec::eCore_arm_generic     , llvm::ELF::EM_ARM    , LLDB_INVALID_CPUTYPE, 0xFFFFFFFFu, 0xFFFFFFFFu }, // ARM
     { ArchSpec::eCore_sparc9_generic  , llvm::ELF::EM_SPARCV9, LLDB_INVALID_CPUTYPE, 0xFFFFFFFFu, 0xFFFFFFFFu }, // SPARC V9
     { ArchSpec::eCore_x86_64_x86_64   , llvm::ELF::EM_X86_64 , LLDB_INVALID_CPUTYPE, 0xFFFFFFFFu, 0xFFFFFFFFu }, // AMD64
-    { ArchSpec::eCore_mips64          , llvm::ELF::EM_MIPS   , LLDB_INVALID_CPUTYPE, 0xFFFFFFFFu, 0xFFFFFFFFu }  // MIPS
+    { ArchSpec::eCore_mips64          , llvm::ELF::EM_MIPS   , LLDB_INVALID_CPUTYPE, 0xFFFFFFFFu, 0xFFFFFFFFu }, // MIPS
+    { ArchSpec::eCore_hexagon_generic , llvm::ELF::EM_HEXAGON, LLDB_INVALID_CPUTYPE, 0xFFFFFFFFu, 0xFFFFFFFFu }  // HEXAGON
 };
 
 static const ArchDefinition g_elf_arch_def = {
@@ -919,6 +924,10 @@
             if (core2 == ArchSpec::eCore_arm_armv7)
                 return true;
         }
+
+    case ArchSpec::kCore_hexagon_any:
+        if ((core2 >= ArchSpec::kCore_hexagon_first && core2 <= ArchSpec::kCore_hexagon_last) || (core2 == ArchSpec::kCore_hexagon_any))
+            return true;
         break;
 
     case ArchSpec::eCore_arm_armv7m:
Index: source/Plugins/DynamicLoader/Static/DynamicLoaderStatic.cpp
===================================================================
--- source/Plugins/DynamicLoader/Static/DynamicLoaderStatic.cpp
+++ source/Plugins/DynamicLoader/Static/DynamicLoaderStatic.cpp
@@ -31,7 +31,7 @@
     {
         const llvm::Triple &triple_ref = process->GetTarget().GetArchitecture().GetTriple();
         const llvm::Triple::OSType os_type = triple_ref.getOS();
-        if ((os_type == llvm::Triple::UnknownOS))
+        if ((os_type == llvm::Triple::UnknownOS) || (os_type == llvm::Triple::Win32))
             create = true;
     }
     
Index: source/Plugins/Platform/Linux/PlatformLinux.cpp
===================================================================
--- source/Plugins/Platform/Linux/PlatformLinux.cpp
+++ source/Plugins/Platform/Linux/PlatformLinux.cpp
@@ -397,6 +397,8 @@
             trap_opcode_size = sizeof(g_i386_breakpoint_opcode);
         }
         break;
+    case ArchSpec::eCore_hexagon_generic:
+        return 0;
     }
 
     if (bp_site->SetTrapOpcode(trap_opcode, trap_opcode_size))
Index: source/Plugins/Platform/Windows/PlatformWindows.cpp
===================================================================
--- source/Plugins/Platform/Windows/PlatformWindows.cpp
+++ source/Plugins/Platform/Windows/PlatformWindows.cpp
@@ -291,6 +291,8 @@
         }
         break;
 
+    case ArchSpec::eCore_hexagon_generic:
+        return 0;
     default:
         llvm_unreachable("Unhandled architecture in PlatformWindows::GetSoftwareBreakpointTrapOpcode()");
         break;
Index: source/Target/Thread.cpp
===================================================================
--- source/Target/Thread.cpp
+++ source/Target/Thread.cpp
@@ -2023,6 +2023,7 @@
             case llvm::Triple::arm:
             case llvm::Triple::thumb:
             case llvm::Triple::mips64:
+            case llvm::Triple::hexagon:
                 m_unwinder_ap.reset (new UnwindLLDB (*this));
                 break;
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