Add system includes in sim

This updates various parts of the sim to include missing system
headers.  I made the includes unconditional, because other parts of
the tree are already doing this.

2021-04-08  Tom Tromey  <tom@tromey.com>

	* traps.c: Include stdlib.h.
	* cris-tmpl.c: Include stdlib.h.

sim/erc32/ChangeLog
2021-04-08  Tom Tromey  <tom@tromey.com>

	* func.c: Include sys/time.h.

sim/frv/ChangeLog
2021-04-08  Tom Tromey  <tom@tromey.com>

	* traps.c: Include stdlib.h.
	* registers.c: Include stdlib.h.
	* profile.c: Include stdlib.h.
	* memory.c: Include stdlib.h.
	* interrupts.c: Include stdlib.h.
	* frv.c: Include stdlib.h.
	* cache.c: Include stdlib.h.

sim/iq2000/ChangeLog
2021-04-08  Tom Tromey  <tom@tromey.com>

	* iq2000.c: Include stdlib.h.

sim/m32r/ChangeLog
2021-04-08  Tom Tromey  <tom@tromey.com>

	* traps.c: Include stdlib.h.
	* m32r.c: Include stdlib.h.

sim/ppc/ChangeLog
2021-04-08  Tom Tromey  <tom@tromey.com>

	* emul_unix.c: Include time.h.

sim/cris/ChangeLog

@@ -1,3 +1,8 @@
+2021-04-08  Tom Tromey  <tom@tromey.com>
+
+	* traps.c: Include stdlib.h.
+	* cris-tmpl.c: Include stdlib.h.
+
 2021-04-02  Mike Frysinger  <vapier@gentoo.org>
 
 	* aclocal.m4, configure: Regenerate.

sim/cris/cris-tmpl.c

@@ -25,6 +25,8 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
 #include "cgen-mem.h"
 #include "cgen-ops.h"
 
+#include <stdlib.h>
+
 #define MY(f) XCONCAT3(crisv,BASENUM,f)
 
 /* Dispatcher for break insn.  */

sim/cris/traps.c

@@ -23,6 +23,7 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
 #include "bfd.h"
 /* FIXME: get rid of targ-vals.h usage everywhere else.  */
 
+#include <stdlib.h>
 #include <stdarg.h>
 #include <errno.h>
 #ifdef HAVE_UNISTD_H

sim/erc32/ChangeLog

@@ -1,3 +1,7 @@
+2021-04-08  Tom Tromey  <tom@tromey.com>
+
+	* func.c: Include sys/time.h.
+
 2021-04-08  Tom Tromey  <tom@tromey.com>
 
 	* sis.c (run_sim, main): Use new-style declaration.

sim/erc32/func.c

@@ -26,6 +26,7 @@
 #include <dis-asm.h>
 #include "sim-config.h"
 #include <inttypes.h>
+#include <sys/time.h>
 
 #define	VAL(x)	strtoul(x,(char **)NULL,0)
 

sim/frv/ChangeLog

@@ -1,3 +1,13 @@
+2021-04-08  Tom Tromey  <tom@tromey.com>
+
+	* traps.c: Include stdlib.h.
+	* registers.c: Include stdlib.h.
+	* profile.c: Include stdlib.h.
+	* memory.c: Include stdlib.h.
+	* interrupts.c: Include stdlib.h.
+	* frv.c: Include stdlib.h.
+	* cache.c: Include stdlib.h.
+
 2021-04-08  Tom Tromey  <tom@tromey.com>
 
 	* sim-if.c (sim_open, frv_sim_close, sim_create_inferior): Use

sim/frv/cache.c

@@ -24,6 +24,7 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
 #include "sim-main.h"
 #include "cache.h"
 #include "bfd.h"
+#include <stdlib.h>
 
 void
 frv_cache_init (SIM_CPU *cpu, FRV_CACHE *cache)

sim/frv/frv.c

@@ -28,6 +28,7 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
 #include "bfd.h"
 #include "gdb/sim-frv.h"
 #include <math.h>
+#include <stdlib.h>
 
 /* Maintain a flag in order to know when to write the address of the next
    VLIW instruction into the LR register.  Used by JMPL. JMPIL, and CALL

sim/frv/interrupts.c

@@ -22,6 +22,7 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
 
 #include "sim-main.h"
 #include "bfd.h"
+#include <stdlib.h>
 
 /* FR-V Interrupt table.
    Describes the interrupts supported by the FR-V.

sim/frv/memory.c

@@ -23,6 +23,7 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
 #include "sim-main.h"
 #include "cgen-mem.h"
 #include "bfd.h"
+#include <stdlib.h>
 
 /* Check for alignment and access restrictions.  Return the corrected address.
  */

sim/frv/profile.c

@@ -24,6 +24,7 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 #include "sim-main.h"
 #include "bfd.h"
+#include <stdlib.h>
 
 #if WITH_PROFILE_MODEL_P
 

sim/frv/registers.c

@@ -22,6 +22,7 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
 
 #include "sim-main.h"
 #include "bfd.h"
+#include <stdlib.h>
 
 #define IMPL 1 /* Implemented */
 #define SUP  1 /* Supervisor register */

sim/frv/traps.c

@@ -29,6 +29,8 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
 #include "bfd.h"
 #include "libiberty.h"
 
+#include <stdlib.h>
+
 CGEN_ATTR_VALUE_ENUM_TYPE frv_current_fm_slot;
 
 /* The semantic code invokes this for invalid (unrecognized) instructions.  */

sim/iq2000/ChangeLog

@@ -1,3 +1,7 @@
+2021-04-08  Tom Tromey  <tom@tromey.com>
+
+	* iq2000.c: Include stdlib.h.
+
 2021-04-08  Tom Tromey  <tom@tromey.com>
 
 	* sim-if.c (sim_open, sim_create_inferior): Use new-style

sim/iq2000/iq2000.c

@@ -23,6 +23,7 @@
 #include "sim-main.h"
 #include "cgen-mem.h"
 #include "cgen-ops.h"
+#include <stdlib.h>
 
 enum
 {

sim/m32r/ChangeLog

@@ -1,3 +1,8 @@
+2021-04-08  Tom Tromey  <tom@tromey.com>
+
+	* traps.c: Include stdlib.h.
+	* m32r.c: Include stdlib.h.
+
 2021-04-08  Tom Tromey  <tom@tromey.com>
 
 	* sim-if.c (sim_open, sim_create_inferior): Use new-style

sim/m32r/m32r.c

@@ -23,6 +23,7 @@
 #include "sim-main.h"
 #include "cgen-mem.h"
 #include "cgen-ops.h"
+#include <stdlib.h>
 
 /* Return the size of REGNO in bytes.  */
 

sim/m32r/traps.c

@@ -20,6 +20,7 @@
 #include "sim-main.h"
 #include "sim-syscall.h"
 #include "targ-vals.h"
+#include <stdlib.h>
 
 #define TRAP_FLUSH_CACHE 12
 /* The semantic code invokes this for invalid (unrecognized) instructions.  */

sim/ppc/ChangeLog

@@ -1,3 +1,7 @@
+2021-04-08  Tom Tromey  <tom@tromey.com>
+
+	* emul_unix.c: Include time.h.
+
 2021-04-08  Simon Marchi  <simon.marchi@polymtl.ca>
 
 	* Makefile.in: Set ASAN_OPTIONS when running igen.

sim/ppc/emul_unix.c

@@ -124,6 +124,7 @@ int getrusage();
 #endif
 
 #include <stdlib.h>
+#include <time.h>
 
 #if defined(BSD) && !defined(errno) && (BSD < 199306)	/* here BSD as just a bug */
 extern int errno;