syscall_emul: [patch 5/22] remove LiveProcess class and use Process instead

The EIOProcess class was removed recently and it was the only other class
which derived from Process. Since every Process invocation is also a
LiveProcess invocation, it makes sense to simplify the organization by
combining the fields from LiveProcess into Process.

4 files changed, 21 insertions, 25 deletions

diff --git a/src/arch/mips/linux/process.cc b/src/arch/mips/linux/process.cc
index 170a3edcc..b36a26fbf 100644
--- a/src/arch/mips/linux/process.cc
+++ b/src/arch/mips/linux/process.cc
@@ -49,7 +49,7 @@ using namespace MipsISA;
 
 /// Target uname() handler.
 static SyscallReturn
-unameFunc(SyscallDesc *desc, int callnum, LiveProcess *process,
+unameFunc(SyscallDesc *desc, int callnum, Process *process,
           ThreadContext *tc)
 {
     int index = 0;
@@ -69,7 +69,7 @@ unameFunc(SyscallDesc *desc, int callnum, LiveProcess *process,
 /// borrowed from Tru64, the subcases that get used appear to be
 /// different in practice from those used by Tru64 processes.
 static SyscallReturn
-sys_getsysinfoFunc(SyscallDesc *desc, int callnum, LiveProcess *process,
+sys_getsysinfoFunc(SyscallDesc *desc, int callnum, Process *process,
                    ThreadContext *tc)
 {
     int index = 0;
@@ -98,7 +98,7 @@ sys_getsysinfoFunc(SyscallDesc *desc, int callnum, LiveProcess *process,
 
 /// Target sys_setsysinfo() handler.
 static SyscallReturn
-sys_setsysinfoFunc(SyscallDesc *desc, int callnum, LiveProcess *process,
+sys_setsysinfoFunc(SyscallDesc *desc, int callnum, Process *process,
                    ThreadContext *tc)
 {
     int index = 0;
@@ -128,7 +128,7 @@ sys_setsysinfoFunc(SyscallDesc *desc, int callnum, LiveProcess *process,
 }
 
 static SyscallReturn
-setThreadAreaFunc(SyscallDesc *desc, int callnum, LiveProcess *process,
+setThreadAreaFunc(SyscallDesc *desc, int callnum, Process *process,
                   ThreadContext *tc)
 {
     int index = 0;
@@ -460,10 +460,10 @@ SyscallDesc MipsLinuxProcess::syscallDescs[] = {
     /* 319 */ SyscallDesc("eventfd", unimplementedFunc)
 };
 
-MipsLinuxProcess::MipsLinuxProcess(LiveProcessParams * params,
-                                     ObjectFile *objFile)
-    : MipsLiveProcess(params, objFile),
-     Num_Syscall_Descs(sizeof(syscallDescs) / sizeof(SyscallDesc))
+MipsLinuxProcess::MipsLinuxProcess(ProcessParams * params,
+                                   ObjectFile *objFile)
+    : MipsProcess(params, objFile),
+      Num_Syscall_Descs(sizeof(syscallDescs) / sizeof(SyscallDesc))
 {  }
 
 SyscallDesc*
diff --git a/src/arch/mips/linux/process.hh b/src/arch/mips/linux/process.hh
index fd96be4c1..cbf0d78ea 100644
--- a/src/arch/mips/linux/process.hh
+++ b/src/arch/mips/linux/process.hh
@@ -37,11 +37,11 @@
 #include "sim/eventq.hh"
 
 /// A process with emulated Mips/Linux syscalls.
-class MipsLinuxProcess : public MipsLiveProcess
+class MipsLinuxProcess : public MipsProcess
 {
   public:
     /// Constructor.
-    MipsLinuxProcess(LiveProcessParams * params, ObjectFile *objFile);
+    MipsLinuxProcess(ProcessParams * params, ObjectFile *objFile);
 
     virtual SyscallDesc* getDesc(int callnum);
 
diff --git a/src/arch/mips/process.cc b/src/arch/mips/process.cc
index d26850604..9abe410c7 100644
--- a/src/arch/mips/process.cc
+++ b/src/arch/mips/process.cc
@@ -47,9 +47,8 @@
 using namespace std;
 using namespace MipsISA;
 
-MipsLiveProcess::MipsLiveProcess(LiveProcessParams * params,
-        ObjectFile *objFile)
-    : LiveProcess(params, objFile)
+MipsProcess::MipsProcess(ProcessParams * params, ObjectFile *objFile)
+    : Process(params, objFile)
 {
     // Set up stack. On MIPS, stack starts at the top of kuseg
     // user address space. MIPS stack grows down from here
@@ -67,16 +66,16 @@ MipsLiveProcess::MipsLiveProcess(LiveProcessParams * params,
 }
 
 void
-MipsLiveProcess::initState()
+MipsProcess::initState()
 {
-    LiveProcess::initState();
+    Process::initState();
 
     argsInit<uint32_t>(PageBytes);
 }
 
 template<class IntType>
 void
-MipsLiveProcess::argsInit(int pageSize)
+MipsProcess::argsInit(int pageSize)
 {
     int intSize = sizeof(IntType);
 
@@ -191,22 +190,21 @@ MipsLiveProcess::argsInit(int pageSize)
 
 
 MipsISA::IntReg
-MipsLiveProcess::getSyscallArg(ThreadContext *tc, int &i)
+MipsProcess::getSyscallArg(ThreadContext *tc, int &i)
 {
     assert(i < 6);
     return tc->readIntReg(FirstArgumentReg + i++);
 }
 
 void
-MipsLiveProcess::setSyscallArg(ThreadContext *tc,
-        int i, MipsISA::IntReg val)
+MipsProcess::setSyscallArg(ThreadContext *tc, int i, MipsISA::IntReg val)
 {
     assert(i < 6);
     tc->setIntReg(FirstArgumentReg + i, val);
 }
 
 void
-MipsLiveProcess::setSyscallReturn(ThreadContext *tc, SyscallReturn sysret)
+MipsProcess::setSyscallReturn(ThreadContext *tc, SyscallReturn sysret)
 {
     if (sysret.successful()) {
         // no error
diff --git a/src/arch/mips/process.hh b/src/arch/mips/process.hh
index e05118e9f..ed6561c1a 100644
--- a/src/arch/mips/process.hh
+++ b/src/arch/mips/process.hh
@@ -38,14 +38,12 @@
 #include "mem/page_table.hh"
 #include "sim/process.hh"
 
-class LiveProcess;
 class ObjectFile;
-class System;
 
-class MipsLiveProcess : public LiveProcess
+class MipsProcess : public Process
 {
   protected:
-    MipsLiveProcess(LiveProcessParams * params, ObjectFile *objFile);
+    MipsProcess(ProcessParams * params, ObjectFile *objFile);
 
     void initState();
 
@@ -55,7 +53,7 @@ class MipsLiveProcess : public LiveProcess
   public:
     MipsISA::IntReg getSyscallArg(ThreadContext *tc, int &i);
     /// Explicitly import the otherwise hidden getSyscallArg
-    using LiveProcess::getSyscallArg;
+    using Process::getSyscallArg;
     void setSyscallArg(ThreadContext *tc, int i, MipsISA::IntReg val);
     void setSyscallReturn(ThreadContext *tc, SyscallReturn return_value);
 };