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-rw-r--r--src/sim/byteswap.hh54
-rw-r--r--src/sim/process.cc8
-rw-r--r--src/sim/process.hh10
-rw-r--r--src/sim/syscallreturn.hh70
-rw-r--r--src/sim/system.cc17
-rw-r--r--src/sim/system.hh6
6 files changed, 126 insertions, 39 deletions
diff --git a/src/sim/byteswap.hh b/src/sim/byteswap.hh
index da427f1e1..cbc0b5088 100644
--- a/src/sim/byteswap.hh
+++ b/src/sim/byteswap.hh
@@ -57,6 +57,8 @@
#include <libkern/OSByteOrder.h>
#endif
+enum ByteOrder {BigEndianByteOrder, LittleEndianByteOrder};
+
//These functions actually perform the swapping for parameters
//of various bit lengths
static inline uint64_t
@@ -131,11 +133,13 @@ template <typename T> static inline T letobe(T value) {return swap_byte(value);}
//For conversions not involving the guest system, we can define the functions
//conditionally based on the BYTE_ORDER macro and outside of the namespaces
#if defined(_BIG_ENDIAN) || !defined(_LITTLE_ENDIAN) && BYTE_ORDER == BIG_ENDIAN
+const ByteOrder HostByteOrder = BigEndianByteOrder;
template <typename T> static inline T htole(T value) {return swap_byte(value);}
template <typename T> static inline T letoh(T value) {return swap_byte(value);}
template <typename T> static inline T htobe(T value) {return value;}
template <typename T> static inline T betoh(T value) {return value;}
#elif defined(_LITTLE_ENDIAN) || BYTE_ORDER == LITTLE_ENDIAN
+const ByteOrder HostByteOrder = LittleEndianByteOrder;
template <typename T> static inline T htole(T value) {return value;}
template <typename T> static inline T letoh(T value) {return value;}
template <typename T> static inline T htobe(T value) {return swap_byte(value);}
@@ -146,33 +150,35 @@ template <typename T> static inline T betoh(T value) {return swap_byte(value);}
namespace BigEndianGuest
{
- template <typename T>
- static inline T gtole(T value) {return betole(value);}
- template <typename T>
- static inline T letog(T value) {return letobe(value);}
- template <typename T>
- static inline T gtobe(T value) {return value;}
- template <typename T>
- static inline T betog(T value) {return value;}
- template <typename T>
- static inline T htog(T value) {return htobe(value);}
- template <typename T>
- static inline T gtoh(T value) {return betoh(value);}
+ const bool ByteOrderDiffers = (HostByteOrder != BigEndianByteOrder);
+ template <typename T>
+ static inline T gtole(T value) {return betole(value);}
+ template <typename T>
+ static inline T letog(T value) {return letobe(value);}
+ template <typename T>
+ static inline T gtobe(T value) {return value;}
+ template <typename T>
+ static inline T betog(T value) {return value;}
+ template <typename T>
+ static inline T htog(T value) {return htobe(value);}
+ template <typename T>
+ static inline T gtoh(T value) {return betoh(value);}
}
namespace LittleEndianGuest
{
- template <typename T>
- static inline T gtole(T value) {return value;}
- template <typename T>
- static inline T letog(T value) {return value;}
- template <typename T>
- static inline T gtobe(T value) {return letobe(value);}
- template <typename T>
- static inline T betog(T value) {return betole(value);}
- template <typename T>
- static inline T htog(T value) {return htole(value);}
- template <typename T>
- static inline T gtoh(T value) {return letoh(value);}
+ const bool ByteOrderDiffers = (HostByteOrder != LittleEndianByteOrder);
+ template <typename T>
+ static inline T gtole(T value) {return value;}
+ template <typename T>
+ static inline T letog(T value) {return value;}
+ template <typename T>
+ static inline T gtobe(T value) {return letobe(value);}
+ template <typename T>
+ static inline T betog(T value) {return betole(value);}
+ template <typename T>
+ static inline T htog(T value) {return htole(value);}
+ template <typename T>
+ static inline T gtoh(T value) {return letoh(value);}
}
#endif // __SIM_BYTE_SWAP_HH__
diff --git a/src/sim/process.cc b/src/sim/process.cc
index 63ff33969..e5d868115 100644
--- a/src/sim/process.cc
+++ b/src/sim/process.cc
@@ -35,6 +35,7 @@
#include <string>
+#include "arch/remote_gdb.hh"
#include "base/intmath.hh"
#include "base/loader/object_file.hh"
#include "base/loader/symtab.hh"
@@ -154,6 +155,13 @@ Process::registerThreadContext(ThreadContext *tc)
int myIndex = threadContexts.size();
threadContexts.push_back(tc);
+ RemoteGDB *rgdb = new RemoteGDB(system, tc);
+ GDBListener *gdbl = new GDBListener(rgdb, 7000 + myIndex);
+ gdbl->listen();
+ //gdbl->accept();
+
+ remoteGDB.push_back(rgdb);
+
// return CPU number to caller
return myIndex;
}
diff --git a/src/sim/process.hh b/src/sim/process.hh
index 616c02c00..bf65c6e06 100644
--- a/src/sim/process.hh
+++ b/src/sim/process.hh
@@ -51,6 +51,11 @@ class SyscallDesc;
class PageTable;
class TranslatingPort;
class System;
+class GDBListener;
+namespace TheISA
+{
+ class RemoteGDB;
+}
void
copyStringArray(std::vector<std::string> &strings, Addr array_ptr,
@@ -72,6 +77,11 @@ class Process : public SimObject
// thread contexts associated with this process
std::vector<ThreadContext *> threadContexts;
+ // remote gdb objects
+ std::vector<TheISA::RemoteGDB *> remoteGDB;
+ std::vector<GDBListener *> gdbListen;
+ bool breakpoint();
+
// number of CPUs (esxec contexts, really) assigned to this process.
unsigned int numCpus() { return threadContexts.size(); }
diff --git a/src/sim/syscallreturn.hh b/src/sim/syscallreturn.hh
new file mode 100644
index 000000000..d1c43f584
--- /dev/null
+++ b/src/sim/syscallreturn.hh
@@ -0,0 +1,70 @@
+/*
+ * Copyright (c) 2003-2005 The Regents of The University of Michigan
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met: redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer;
+ * redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution;
+ * neither the name of the copyright holders nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * Authors: Gabe Black
+ */
+
+#ifndef __SIM_SYSCALLRETURN_HH__
+#define __SIM_SYSCALLRETURN_HH__
+
+#include <inttypes.h>
+
+class SyscallReturn
+{
+ public:
+ template <class T>
+ SyscallReturn(T v, bool s)
+ {
+ retval = (uint64_t)v;
+ success = s;
+ }
+
+ template <class T>
+ SyscallReturn(T v)
+ {
+ success = (v >= 0);
+ retval = (uint64_t)v;
+ }
+
+ ~SyscallReturn() {}
+
+ SyscallReturn& operator=(const SyscallReturn& s)
+ {
+ retval = s.retval;
+ success = s.success;
+ return *this;
+ }
+
+ bool successful() { return success; }
+ uint64_t value() { return retval; }
+
+ private:
+ uint64_t retval;
+ bool success;
+};
+
+#endif
diff --git a/src/sim/system.cc b/src/sim/system.cc
index b3ba1b8f1..f6febe4b1 100644
--- a/src/sim/system.cc
+++ b/src/sim/system.cc
@@ -32,6 +32,7 @@
*/
#include "arch/isa_traits.hh"
+#include "arch/remote_gdb.hh"
#include "base/loader/object_file.hh"
#include "base/loader/symtab.hh"
#include "base/trace.hh"
@@ -43,7 +44,6 @@
#include "sim/system.hh"
#if FULL_SYSTEM
#include "arch/vtophys.hh"
-#include "arch/remote_gdb.hh"
#include "kern/kernel_stats.hh"
#endif
@@ -141,14 +141,8 @@ System::~System()
#endif // FULL_SYSTEM}
}
-#if FULL_SYSTEM
-
-
int rgdb_wait = -1;
-#endif // FULL_SYSTEM
-
-
void
System::setMemoryMode(MemoryMode mode)
{
@@ -156,6 +150,11 @@ System::setMemoryMode(MemoryMode mode)
memoryMode = mode;
}
+bool System::breakpoint()
+{
+ return remoteGDB[0]->breakpoint();
+}
+
int
System::registerThreadContext(ThreadContext *tc, int id)
{
@@ -175,7 +174,6 @@ System::registerThreadContext(ThreadContext *tc, int id)
threadContexts[id] = tc;
numcpus++;
-#if FULL_SYSTEM
RemoteGDB *rgdb = new RemoteGDB(this, tc);
GDBListener *gdbl = new GDBListener(rgdb, 7000 + id);
gdbl->listen();
@@ -191,7 +189,6 @@ System::registerThreadContext(ThreadContext *tc, int id)
}
remoteGDB[id] = rgdb;
-#endif // FULL_SYSTEM
return id;
}
@@ -213,9 +210,7 @@ System::replaceThreadContext(ThreadContext *tc, int id)
}
threadContexts[id] = tc;
-#if FULL_SYSTEM
remoteGDB[id]->replaceThreadContext(tc);
-#endif // FULL_SYSTEM
}
#if !FULL_SYSTEM
diff --git a/src/sim/system.hh b/src/sim/system.hh
index b3a67bf7a..758da709e 100644
--- a/src/sim/system.hh
+++ b/src/sim/system.hh
@@ -55,12 +55,12 @@ class PhysicalMemory;
#if FULL_SYSTEM
class Platform;
+#endif
class GDBListener;
namespace TheISA
{
class RemoteGDB;
}
-#endif
class System : public SimObject
{
@@ -159,11 +159,9 @@ class System : public SimObject
#endif
public:
-#if FULL_SYSTEM
std::vector<TheISA::RemoteGDB *> remoteGDB;
std::vector<GDBListener *> gdbListen;
- virtual bool breakpoint() = 0;
-#endif // FULL_SYSTEM
+ bool breakpoint();
public:
struct Params
generated by cgit v1.2.3 (git 2.25.1) at 2024-09-04 14:58:18 +0000