From 5abe726911d4e2bf80bbbd93d0a2e2b8064c2fd3 Mon Sep 17 00:00:00 2001
From: Pavel Labath <labath@google.com>
Date: Thu, 16 Jul 2015 08:45:03 +0000
Subject: Revert "[NativeProcessLinux] Integrate MainLoop"

This seems to be causing major slowdows on the android buildbot. Reverting while I investigate.

llvm-svn: 242391
---
 .../Process/Linux/NativeRegisterContextLinux.cpp   | 68 ++++++++++++++++++----
 1 file changed, 58 insertions(+), 10 deletions(-)

(limited to 'lldb/source/Plugins/Process/Linux/NativeRegisterContextLinux.cpp')

diff --git a/lldb/source/Plugins/Process/Linux/NativeRegisterContextLinux.cpp b/lldb/source/Plugins/Process/Linux/NativeRegisterContextLinux.cpp
index 9628b4e6f723..41ce680e3772 100644
--- a/lldb/source/Plugins/Process/Linux/NativeRegisterContextLinux.cpp
+++ b/lldb/source/Plugins/Process/Linux/NativeRegisterContextLinux.cpp
@@ -50,7 +50,14 @@ NativeRegisterContextLinux::ReadRegisterRaw(uint32_t reg_index, RegisterValue &r
     if (!reg_info)
         return Error("register %" PRIu32 " not found", reg_index);
 
-    return DoReadRegisterValue(reg_info->byte_offset, reg_info->name, reg_info->byte_size, reg_value);
+    NativeProcessProtocolSP process_sp(m_thread.GetProcess());
+    if (!process_sp)
+        return Error("NativeProcessProtocol is NULL");
+
+    NativeProcessLinux* process_p = static_cast<NativeProcessLinux*>(process_sp.get());
+    return process_p->DoOperation([&] {
+        return DoReadRegisterValue(reg_info->byte_offset, reg_info->name, reg_info->byte_size, reg_value);
+    });
 }
 
 Error
@@ -101,70 +108,111 @@ NativeRegisterContextLinux::WriteRegisterRaw(uint32_t reg_index, const RegisterV
         }
     }
 
+    NativeProcessProtocolSP process_sp (m_thread.GetProcess ());
+    if (!process_sp)
+        return Error("NativeProcessProtocol is NULL");
+
     const RegisterInfo *const register_to_write_info_p = GetRegisterInfoAtIndex (reg_to_write);
     assert (register_to_write_info_p && "register to write does not have valid RegisterInfo");
     if (!register_to_write_info_p)
         return Error("NativeRegisterContextLinux::%s failed to get RegisterInfo for write register index %" PRIu32, __FUNCTION__, reg_to_write);
 
-    return DoWriteRegisterValue(reg_info->byte_offset, reg_info->name, reg_value);
+    NativeProcessLinux* process_p = static_cast<NativeProcessLinux*> (process_sp.get ());
+    return process_p->DoOperation([&] {
+        return DoWriteRegisterValue(reg_info->byte_offset, reg_info->name, reg_value);
+    });
 }
 
 Error
 NativeRegisterContextLinux::ReadGPR()
 {
+    NativeProcessProtocolSP process_sp (m_thread.GetProcess ());
+    if (!process_sp)
+        return Error("NativeProcessProtocol is NULL");
+
     void* buf = GetGPRBuffer();
     if (!buf)
         return Error("GPR buffer is NULL");
     size_t buf_size = GetGPRSize();
 
-    return DoReadGPR(buf, buf_size);
+    NativeProcessLinux* process_p = static_cast<NativeProcessLinux*>(process_sp.get());
+    return process_p->DoOperation([&] { return DoReadGPR(buf, buf_size); });
 }
 
 Error
 NativeRegisterContextLinux::WriteGPR()
 {
+    NativeProcessProtocolSP process_sp (m_thread.GetProcess ());
+    if (!process_sp)
+        return Error("NativeProcessProtocol is NULL");
+
     void* buf = GetGPRBuffer();
     if (!buf)
         return Error("GPR buffer is NULL");
     size_t buf_size = GetGPRSize();
 
-    return DoWriteGPR(buf, buf_size);
+    NativeProcessLinux* process_p = static_cast<NativeProcessLinux*>(process_sp.get());
+    return process_p->DoOperation([&] { return DoWriteGPR(buf, buf_size); });
 }
 
 Error
 NativeRegisterContextLinux::ReadFPR()
 {
+    NativeProcessProtocolSP process_sp (m_thread.GetProcess ());
+    if (!process_sp)
+        return Error("NativeProcessProtocol is NULL");
+
     void* buf = GetFPRBuffer();
     if (!buf)
         return Error("GPR buffer is NULL");
     size_t buf_size = GetFPRSize();
 
-    return DoReadFPR(buf, buf_size);
+    NativeProcessLinux* process_p = static_cast<NativeProcessLinux*>(process_sp.get());
+    return process_p->DoOperation([&] { return DoReadFPR(buf, buf_size); });
 }
 
 Error
 NativeRegisterContextLinux::WriteFPR()
 {
+    NativeProcessProtocolSP process_sp (m_thread.GetProcess ());
+    if (!process_sp)
+        return Error("NativeProcessProtocol is NULL");
+
     void* buf = GetFPRBuffer();
     if (!buf)
         return Error("GPR buffer is NULL");
     size_t buf_size = GetFPRSize();
 
-    return DoWriteFPR(buf, buf_size);
+    NativeProcessLinux* process_p = static_cast<NativeProcessLinux*>(process_sp.get());
+    return process_p->DoOperation([&] { return DoWriteFPR(buf, buf_size); });
 }
 
 Error
 NativeRegisterContextLinux::ReadRegisterSet(void *buf, size_t buf_size, unsigned int regset)
 {
-    return NativeProcessLinux::PtraceWrapper(PTRACE_GETREGSET, m_thread.GetID(),
-            static_cast<void *>(&regset), buf, buf_size);
+    NativeProcessProtocolSP process_sp (m_thread.GetProcess());
+    if (!process_sp)
+        return Error("NativeProcessProtocol is NULL");
+    NativeProcessLinux* process_p = static_cast<NativeProcessLinux*>(process_sp.get());
+
+    return process_p->DoOperation([&] {
+        return NativeProcessLinux::PtraceWrapper(PTRACE_GETREGSET, m_thread.GetID(),
+                static_cast<void *>(&regset), buf, buf_size);
+    });
 }
 
 Error
 NativeRegisterContextLinux::WriteRegisterSet(void *buf, size_t buf_size, unsigned int regset)
 {
-    return NativeProcessLinux::PtraceWrapper(PTRACE_SETREGSET, m_thread.GetID(),
-            static_cast<void *>(&regset), buf, buf_size);
+    NativeProcessProtocolSP process_sp (m_thread.GetProcess());
+    if (!process_sp)
+        return Error("NativeProcessProtocol is NULL");
+    NativeProcessLinux* process_p = static_cast<NativeProcessLinux*>(process_sp.get());
+
+    return process_p->DoOperation([&] {
+        return NativeProcessLinux::PtraceWrapper(PTRACE_SETREGSET, m_thread.GetID(),
+                static_cast<void *>(&regset), buf, buf_size);
+    });
 }
 
 Error
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