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authorAli Saidi <Ali.Saidi@ARM.com>2009-11-17 18:02:08 -0600
committerAli Saidi <Ali.Saidi@ARM.com>2009-11-17 18:02:08 -0600
commit1470dae8e949eaef8232dc621d9074329357265c (patch)
tree687d5246ac61312f3201d8ddfe901fc0eb5a4118 /src/arch/arm/stacktrace.cc
parent171e7f7b24eead1fa82202549e3fad9a0df7b017 (diff)
downloadgem5-1470dae8e949eaef8232dc621d9074329357265c.tar.xz
ARM: Boilerplate full-system code.
--HG-- rename : src/arch/sparc/interrupts.hh => src/arch/arm/interrupts.hh rename : src/arch/sparc/kernel_stats.hh => src/arch/arm/kernel_stats.hh rename : src/arch/sparc/stacktrace.cc => src/arch/arm/stacktrace.cc rename : src/arch/sparc/system.cc => src/arch/arm/system.cc rename : src/arch/sparc/system.hh => src/arch/arm/system.hh rename : src/dev/sparc/T1000.py => src/dev/arm/Versatile.py rename : src/dev/sparc/t1000.cc => src/dev/arm/versatile.cc rename : src/dev/sparc/t1000.hh => src/dev/arm/versatile.hh
Diffstat (limited to 'src/arch/arm/stacktrace.cc')
-rw-r--r--src/arch/arm/stacktrace.cc151
1 files changed, 151 insertions, 0 deletions
diff --git a/src/arch/arm/stacktrace.cc b/src/arch/arm/stacktrace.cc
new file mode 100644
index 000000000..6b346b0ab
--- /dev/null
+++ b/src/arch/arm/stacktrace.cc
@@ -0,0 +1,151 @@
+/*
+ * Copyright (c) 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: Nathan Binkert
+ */
+
+#include <string>
+
+#include "arch/arm/isa_traits.hh"
+#include "arch/arm/stacktrace.hh"
+#include "arch/arm/vtophys.hh"
+#include "base/bitfield.hh"
+#include "base/trace.hh"
+#include "cpu/base.hh"
+#include "cpu/thread_context.hh"
+#include "sim/system.hh"
+
+using namespace std;
+namespace ArmISA
+{
+ ProcessInfo::ProcessInfo(ThreadContext *_tc)
+ : tc(_tc)
+ {
+ Addr addr = 0;
+
+ VirtualPort *vp;
+
+ vp = tc->getVirtPort();
+
+ if (!tc->getSystemPtr()->kernelSymtab->findAddress("thread_info_size", addr))
+ panic("thread info not compiled into kernel\n");
+ thread_info_size = vp->readGtoH<int32_t>(addr);
+
+ if (!tc->getSystemPtr()->kernelSymtab->findAddress("task_struct_size", addr))
+ panic("thread info not compiled into kernel\n");
+ task_struct_size = vp->readGtoH<int32_t>(addr);
+
+ if (!tc->getSystemPtr()->kernelSymtab->findAddress("thread_info_task", addr))
+ panic("thread info not compiled into kernel\n");
+ task_off = vp->readGtoH<int32_t>(addr);
+
+ if (!tc->getSystemPtr()->kernelSymtab->findAddress("task_struct_pid", addr))
+ panic("thread info not compiled into kernel\n");
+ pid_off = vp->readGtoH<int32_t>(addr);
+
+ if (!tc->getSystemPtr()->kernelSymtab->findAddress("task_struct_comm", addr))
+ panic("thread info not compiled into kernel\n");
+ name_off = vp->readGtoH<int32_t>(addr);
+ }
+
+ Addr
+ ProcessInfo::task(Addr ksp) const
+ {
+ return 0;
+ }
+
+ int
+ ProcessInfo::pid(Addr ksp) const
+ {
+ return -1;
+ }
+
+ string
+ ProcessInfo::name(Addr ksp) const
+ {
+ return "Implement me";
+ }
+
+ StackTrace::StackTrace()
+ : tc(0), stack(64)
+ {
+ }
+
+ StackTrace::StackTrace(ThreadContext *_tc, StaticInstPtr inst)
+ : tc(0), stack(64)
+ {
+ trace(_tc, inst);
+ }
+
+ StackTrace::~StackTrace()
+ {
+ }
+
+ void
+ StackTrace::trace(ThreadContext *_tc, bool is_call)
+ {
+ }
+
+ bool
+ StackTrace::isEntry(Addr addr)
+ {
+ return false;
+ }
+
+ bool
+ StackTrace::decodeStack(MachInst inst, int &disp)
+ {
+ return false;
+ }
+
+ bool
+ StackTrace::decodeSave(MachInst inst, int &reg, int &disp)
+ {
+ return false;
+ }
+
+ /*
+ * Decode the function prologue for the function we're in, and note
+ * which registers are stored where, and how large the stack frame is.
+ */
+ bool
+ StackTrace::decodePrologue(Addr sp, Addr callpc, Addr func,
+ int &size, Addr &ra)
+ {
+ return false;
+ }
+
+#if TRACING_ON
+ void
+ StackTrace::dump()
+ {
+ DPRINTFN("------ Stack ------\n");
+
+ DPRINTFN(" Not implemented\n");
+ }
+#endif
+}