arch-mips: Stop "using namespace std"

Change-Id: I0ad5ad71d8ba2d7c050d3f368341ce98d3f87a90
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/39559
Reviewed-by: Daniel Carvalho <odanrc@yahoo.com.br>
Maintainer: Gabe Black <gabe.black@gmail.com>
Tested-by: kokoro <noreply+kokoro@google.com>

src/arch/mips/dsp.cc

@@ -35,7 +35,6 @@
 #include "sim/serialize.hh"
 
 using namespace MipsISA;
-using namespace std;
 
 int32_t
 MipsISA::bitrev(int32_t value)

src/arch/mips/isa/formats/branch.isa

@@ -34,7 +34,6 @@
 output header {{
 
 #include <iostream>
-    using namespace std;
 
     /**
      * Base class for instructions whose disassembly is not purely a

src/arch/mips/isa/formats/dsp.isa

@@ -32,7 +32,6 @@
 //
 output header {{
 #include <iostream>
-    using namespace std;
     /**
      * Base class for integer operations.
      */

src/arch/mips/isa/formats/int.isa

@@ -32,7 +32,6 @@
 //
 output header {{
 #include <iostream>
-    using namespace std;
     /**
      * Base class for integer operations.
      */

src/arch/mips/isa/formats/util.isa

@@ -80,7 +80,7 @@ output decoder {{
 
 std::string inst2string(MachInst machInst)
 {
-    string str = "";
+    std::string str = "";
     uint32_t mask = 0x80000000;
 
     for(int i=0; i < 32; i++) {

src/arch/mips/process.cc

@@ -42,7 +42,6 @@
 #include "sim/syscall_return.hh"
 #include "sim/system.hh"
 
-using namespace std;
 using namespace MipsISA;
 
 MipsProcess::MipsProcess(const ProcessParams &params,
@@ -68,9 +67,9 @@ MipsProcess::MipsProcess(const ProcessParams &params,
     // Set up region for mmaps.  Start it 1GB above the top of the heap.
     Addr mmap_end = brk_point + 0x40000000L;
 
-    memState = make_shared<MemState>(this, brk_point, stack_base,
-                                     max_stack_size, next_thread_stack_base,
-                                     mmap_end);
+    memState = std::make_shared<MemState>(
+            this, brk_point, stack_base, max_stack_size,
+            next_thread_stack_base, mmap_end);
 }
 
 void
@@ -126,7 +125,7 @@ MipsProcess::argsInit(int pageSize)
     int auxv_array_size = intSize * 2 * (auxv.size() + 1);
 
     int arg_data_size = 0;
-    for (vector<string>::size_type i = 0; i < argv.size(); ++i) {
+    for (std::vector<std::string>::size_type i = 0; i < argv.size(); ++i) {
         arg_data_size += argv[i].size() + 1;
     }
 
@@ -134,7 +133,7 @@ MipsProcess::argsInit(int pageSize)
     int aux_data_size = numRandomBytes;
 
     int env_data_size = 0;
-    for (vector<string>::size_type i = 0; i < envp.size(); ++i) {
+    for (std::vector<std::string>::size_type i = 0; i < envp.size(); ++i) {
         env_data_size += envp[i].size() + 1;
     }
 

src/arch/mips/remote_gdb.cc

@@ -143,7 +143,6 @@
 #include "mem/page_table.hh"
 #include "sim/full_system.hh"
 
-using namespace std;
 using namespace MipsISA;
 
 RemoteGDB::RemoteGDB(System *_system, ThreadContext *tc, int _port)

src/arch/mips/tlb.cc

@@ -46,7 +46,6 @@
 #include "params/MipsTLB.hh"
 #include "sim/process.hh"
 
-using namespace std;
 using namespace MipsISA;
 
 ///////////////////////////////////////////////////////////////////////
@@ -169,7 +168,7 @@ TLB::insertAt(PTE &pte, unsigned Index, int _smallPages)
         }
         table[Index]=pte;
         // Update fast lookup table
-        lookupTable.insert(make_pair(table[Index].VPN, Index));
+        lookupTable.insert(std::make_pair(table[Index].VPN, Index));
     }
 }
 
@@ -211,7 +210,7 @@ TLB::unserialize(CheckpointIn &cp)
         ScopedCheckpointSection sec(cp, csprintf("PTE%d", i));
         table[i].unserialize(cp);
         if (table[i].V0 || table[i].V1) {
-            lookupTable.insert(make_pair(table[i].VPN, i));
+            lookupTable.insert(std::make_pair(table[i].VPN, i));
         }
     }
 }

src/arch/mips/utility.cc

@@ -39,7 +39,6 @@
 #include "sim/serialize.hh"
 
 using namespace MipsISA;
-using namespace std;
 
 namespace MipsISA {