Add simple function-tracing support. Prints a message

every time the committed PC changes from one symbol scope
to another.
Set function_trace=y on target CPU to enable.
To defer start, use function_trace_start=<tick>
(in addition to setting function_trace=y).

cpu/base_cpu.cc:
cpu/base_cpu.hh:
    Add simple function-tracing support.
cpu/simple_cpu/simple_cpu.cc:
    Add function_trace, function_trace_start params
    Call traceFunctions() on instruction completion
cpu/simple_cpu/simple_cpu.hh:
    Add function_trace, function_trace_start params

--HG--
extra : convert_revision : 8a7f84028ccbaee585253629007f32fc8eae35e1

1 files changed, 4 insertions, 2 deletions

diff --git a/cpu/simple_cpu/simple_cpu.hh b/cpu/simple_cpu/simple_cpu.hh
index 8ea100b22..341a0da23 100644
--- a/cpu/simple_cpu/simple_cpu.hh
+++ b/cpu/simple_cpu/simple_cpu.hh
@@ -142,7 +142,8 @@ class SimpleCPU : public BaseCPU
               Counter max_loads_any_thread, Counter max_loads_all_threads,
               AlphaITB *itb, AlphaDTB *dtb, FunctionalMemory *mem,
               MemInterface *icache_interface, MemInterface *dcache_interface,
-              bool _def_reg, Tick freq);
+              bool _def_reg, Tick freq,
+              bool _function_trace, Tick _function_trace_start);
 
 #else
 
@@ -152,7 +153,8 @@ class SimpleCPU : public BaseCPU
               Counter max_loads_any_thread,
               Counter max_loads_all_threads,
               MemInterface *icache_interface, MemInterface *dcache_interface,
-              bool _def_reg);
+              bool _def_reg,
+              bool _function_trace, Tick _function_trace_start);
 
 #endif