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authorMike Frysinger <vapier@gentoo.org>2015-06-09 22:27:09 +0800
committerMike Frysinger <vapier@gentoo.org>2015-06-11 07:29:16 -0400
commit96eaf29ec4df2f81be180cfeabdb9b26492e8264 (patch)
treec932689d97c73ecbef453ed63f22ace3f6f72f8d /sim
parentb0e4c8a581c689da0c3e7319c03a8cc60d64a2f2 (diff)
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sim: mn10300: delete unused exception/exited/debug state
The syscall path was the only code checking the custom exception state after recent cleanups. Once we change that to the common engine halt function, we can delete that state entirely. This also helps highlight some other dead code that we can cull.
Diffstat (limited to 'sim')
-rw-r--r--sim/mn10300/ChangeLog9
-rw-r--r--sim/mn10300/interp.c1
-rw-r--r--sim/mn10300/mn10300_sim.h12
-rw-r--r--sim/mn10300/op_utils.c11
4 files changed, 11 insertions, 22 deletions
diff --git a/sim/mn10300/ChangeLog b/sim/mn10300/ChangeLog
index 1facba7..c32c69e 100644
--- a/sim/mn10300/ChangeLog
+++ b/sim/mn10300/ChangeLog
@@ -1,5 +1,14 @@
2015-06-11 Mike Frysinger <vapier@gentoo.org>
+ * interp.c (mn10300_debug): Delete.
+ * mn10300_sim.h (DEBUG_TRACE, DEBUG_VALUES, mn10300_debug): Delete.
+ (struct _state): Delete exception and exited members.
+ [_WIN32] (SIGTRAP, SIGQUIT): Delete.
+ * op_utils.c (do_syscall): Call sim_engine_halt instead of setting
+ State.exception.
+
+2015-06-11 Mike Frysinger <vapier@gentoo.org>
+
* mn10300_sim.h (uint8, int8, uint16, int16, uint32, int32): Typedef
in terms of unsigned8, signed8, unsigned16, signed16, unsigned32,
and signed32 respectively.
diff --git a/sim/mn10300/interp.c b/sim/mn10300/interp.c
index e5a90b5..f6f093d 100644
--- a/sim/mn10300/interp.c
+++ b/sim/mn10300/interp.c
@@ -25,7 +25,6 @@
host_callback *mn10300_callback;
-int mn10300_debug;
struct _state State;
diff --git a/sim/mn10300/mn10300_sim.h b/sim/mn10300/mn10300_sim.h
index 5f5d5d1..23b8cc2 100644
--- a/sim/mn10300/mn10300_sim.h
+++ b/sim/mn10300/mn10300_sim.h
@@ -11,11 +11,6 @@
extern host_callback *mn10300_callback;
extern SIM_DESC simulator;
-#define DEBUG_TRACE 0x00000001
-#define DEBUG_VALUES 0x00000002
-
-extern int mn10300_debug;
-
typedef unsigned8 uint8;
typedef signed8 int8;
typedef unsigned16 uint16;
@@ -53,8 +48,6 @@ struct _state
dword fd[16]; /* FD0,2,...,30 */
} fpregs;
uint8 *mem; /* main memory */
- int exception;
- int exited;
/* All internal state modified by signal_exception() that may need to be
rolled back for passing moment-of-exception image back to gdb. */
@@ -148,11 +141,6 @@ extern struct simops Simops[];
#define FPU2FS(F,FS) sim_fpu_to32 (&(FS), &(F))
#define FPU2FD(F,FD) sim_fpu_to232 (&((FD).high), &((FD).low), &(F))
-#ifdef _WIN32
-#define SIGTRAP 5
-#define SIGQUIT 3
-#endif
-
#define FETCH32(a,b,c,d) \
((a)+((b)<<8)+((c)<<16)+((d)<<24))
diff --git a/sim/mn10300/op_utils.c b/sim/mn10300/op_utils.c
index 36f387c..518df9b 100644
--- a/sim/mn10300/op_utils.c
+++ b/sim/mn10300/op_utils.c
@@ -194,15 +194,8 @@ do_syscall (void)
if ( FUNC == TARGET_SYS_exit )
{
/* EXIT - caller can look in PARM1 to work out the reason */
- if (PARM1 == 0xdead)
- State.exception = SIGABRT;
- else
- {
- sim_engine_halt (simulator, STATE_CPU (simulator, 0), NULL, PC,
- sim_exited, PARM1);
- State.exception = SIGQUIT;
- }
- State.exited = 1;
+ sim_engine_halt (simulator, STATE_CPU (simulator, 0), NULL, PC,
+ (PARM1 == 0xdead ? SIM_SIGABRT : sim_exited), PARM1);
}
else
{