commit 3f57216ca45258e4dbae7f0490530dcaa52a6b52
author Omair Javaid <omair.javaid@linaro.org> Tue Apr 14 07:30:20 2015 +0000
committer Omair Javaid <omair.javaid@linaro.org> Tue Apr 14 07:30:20 2015 +0000
tree 3aa5306bf3a1c6baba302b6799a563145f4723de
parent ff499469e0fa4a7f19082d7efe3b1a1f94631be1

Adds Register Context Linux/POSIX for ARM Architecture  

This patch is major step towards supporting lldb on ARM.
This adds all the required bits to support register manipulation on Linux Arm.
Also adds utility enumerations, definitions and register context classes for arm.

llvm-svn: 234870

lldb/source/Plugins/Process/Linux/NativeThreadLinux.cpp

diff --git a/lldb/source/Plugins/Process/Linux/NativeThreadLinux.cpp b/lldb/source/Plugins/Process/Linux/NativeThreadLinux.cpp
index 240803a..455caa1 100644
--- a/lldb/source/Plugins/Process/Linux/NativeThreadLinux.cpp
+++ b/lldb/source/Plugins/Process/Linux/NativeThreadLinux.cpp
@@ -13,6 +13,7 @@
 #include <sstream>
 
 #include "NativeProcessLinux.h"
+#include "NativeRegisterContextLinux_arm.h"
 #include "NativeRegisterContextLinux_arm64.h"
 #include "NativeRegisterContextLinux_x86_64.h"
 #include "NativeRegisterContextLinux_mips64.h"
@@ -29,6 +30,7 @@
 
 #include "Plugins/Process/POSIX/CrashReason.h"
 
+#include "Plugins/Process/Utility/RegisterContextLinux_arm.h"
 #include "Plugins/Process/Utility/RegisterContextLinux_arm64.h"
 #include "Plugins/Process/Utility/RegisterContextLinux_i386.h"
 #include "Plugins/Process/Utility/RegisterContextLinux_x86_64.h"
@@ -184,6 +186,10 @@
                 assert((HostInfo::GetArchitecture ().GetAddressByteSize() == 8) && "Register setting path assumes this is a 64-bit host");
                 reg_interface = static_cast<RegisterInfoInterface*>(new RegisterContextLinux_arm64(target_arch));
                 break;
+            case llvm::Triple::arm:
+                assert(HostInfo::GetArchitecture ().GetAddressByteSize() == 4);
+                reg_interface = static_cast<RegisterInfoInterface*>(new RegisterContextLinux_arm(target_arch));
+                break;
             case llvm::Triple::x86:
             case llvm::Triple::x86_64:
                 if (HostInfo::GetArchitecture().GetAddressByteSize() == 4)
@@ -242,6 +248,12 @@
             m_reg_context_sp.reset (new NativeRegisterContextLinux_arm64(*this, concrete_frame_idx, reg_interface));
             break;
         }
+        case llvm::Triple::arm:
+        {
+            const uint32_t concrete_frame_idx = 0;
+            m_reg_context_sp.reset (new NativeRegisterContextLinux_arm(*this, concrete_frame_idx, reg_interface));
+            break;
+        }
         case llvm::Triple::x86:
         case llvm::Triple::x86_64:
         {