ubsan: moxie: left shift of negative value

[deliverable/binutils-gdb.git] / sim / m32r / traps-linux.c

diff --git a/sim/m32r/traps-linux.c b/sim/m32r/traps-linux.c
index d7d552b3e9090119046d4770a8b1aa30500cf842..a4df108a8736a8e07513f6b9f441b926849a134b 100644 (file)
--- a/sim/m32r/traps-linux.c
+++ b/sim/m32r/traps-linux.c
@@ -1,5 +1,5 @@
 /* m32r exception, interrupt, and trap (EIT) support
-   Copyright (C) 1998, 2003, 2007-2012 Free Software Foundation, Inc.
+   Copyright (C) 1998-2019 Free Software Foundation, Inc.
    Contributed by Renesas.
 
    This file is part of GDB, the GNU debugger.
@@ -18,6 +18,7 @@
    along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
 
 #include "sim-main.h"
+#include "sim-syscall.h"
 #include "syscall.h"
 #include "targ-vals.h"
 #include <dirent.h>
@@ -113,28 +114,6 @@ m32r_core_signal (SIM_DESC sd, SIM_CPU *current_cpu, sim_cia cia,
                      transfer, sig);
 }
 \f
-/* Read/write functions for system call interface.  */
-
-static int
-syscall_read_mem (host_callback *cb, struct cb_syscall *sc,
-                 unsigned long taddr, char *buf, int bytes)
-{
-  SIM_DESC sd = (SIM_DESC) sc->p1;
-  SIM_CPU *cpu = (SIM_CPU *) sc->p2;
-
-  return sim_core_read_buffer (sd, cpu, read_map, buf, taddr, bytes);
-}
-
-static int
-syscall_write_mem (host_callback *cb, struct cb_syscall *sc,
-                  unsigned long taddr, const char *buf, int bytes)
-{
-  SIM_DESC sd = (SIM_DESC) sc->p1;
-  SIM_CPU *cpu = (SIM_CPU *) sc->p2;
-
-  return sim_core_write_buffer (sd, cpu, write_map, buf, taddr, bytes);
-}
-
 /* Translate target's address to host's address.  */
 
 static void *
@@ -157,7 +136,7 @@ conv_endian (unsigned int tvalue)
   unsigned int hvalue;
   unsigned int t1, t2, t3, t4;
 
-  if (CURRENT_HOST_BYTE_ORDER == LITTLE_ENDIAN)
+  if (HOST_BYTE_ORDER == BFD_ENDIAN_LITTLE)
     {
       t1 = tvalue & 0xff000000;
       t2 = tvalue & 0x00ff0000;
@@ -181,7 +160,7 @@ conv_endian16 (unsigned short tvalue)
   unsigned short hvalue;
   unsigned short t1, t2;
 
-  if (CURRENT_HOST_BYTE_ORDER == LITTLE_ENDIAN)
+  if (HOST_BYTE_ORDER == BFD_ENDIAN_LITTLE)
     {
       t1 = tvalue & 0xff00;
       t2 = tvalue & 0x00ff;
@@ -218,44 +197,25 @@ m32r_trap (SIM_CPU *current_cpu, PCADDR pc, int num)
   SIM_DESC sd = CPU_STATE (current_cpu);
   host_callback *cb = STATE_CALLBACK (sd);
 
-#ifdef SIM_HAVE_BREAKPOINTS
-  /* Check for breakpoints "owned" by the simulator first, regardless
-     of --environment.  */
-  if (num == TRAP_BREAKPOINT)
-    {
-      /* First try sim-break.c.  If it's a breakpoint the simulator "owns"
-        it doesn't return.  Otherwise it returns and let's us try.  */
-      sim_handle_breakpoint (sd, current_cpu, pc);
-      /* Fall through.  */
-    }
-#endif
-
   switch (num)
     {
     case TRAP_ELF_SYSCALL :
       {
-        CB_SYSCALL s;
- 
-        CB_SYSCALL_INIT (&s);
-        s.func = m32rbf_h_gr_get (current_cpu, 0);
-        s.arg1 = m32rbf_h_gr_get (current_cpu, 1);
-        s.arg2 = m32rbf_h_gr_get (current_cpu, 2);
-        s.arg3 = m32rbf_h_gr_get (current_cpu, 3);
- 
-        if (s.func == TARGET_SYS_exit)
-          {
-            sim_engine_halt (sd, current_cpu, NULL, pc, sim_exited, s.arg1);
-          }
- 
-        s.p1 = (PTR) sd;
-        s.p2 = (PTR) current_cpu;
-        s.read_mem = syscall_read_mem;
-        s.write_mem = syscall_write_mem;
-        cb_syscall (cb, &s);
-        m32rbf_h_gr_set (current_cpu, 2, s.errcode);
-        m32rbf_h_gr_set (current_cpu, 0, s.result);
-        m32rbf_h_gr_set (current_cpu, 1, s.result2);
-        break;
+       long result, result2;
+       int errcode;
+
+       sim_syscall_multi (current_cpu,
+                          m32rbf_h_gr_get (current_cpu, 0),
+                          m32rbf_h_gr_get (current_cpu, 1),
+                          m32rbf_h_gr_get (current_cpu, 2),
+                          m32rbf_h_gr_get (current_cpu, 3),
+                          m32rbf_h_gr_get (current_cpu, 4),
+                          &result, &result2, &errcode);
+
+       m32rbf_h_gr_set (current_cpu, 2, errcode);
+       m32rbf_h_gr_set (current_cpu, 0, result);
+       m32rbf_h_gr_set (current_cpu, 1, result2);
+       break;
       }
 
     case TRAP_LINUX_SYSCALL :
@@ -290,8 +250,8 @@ m32r_trap (SIM_CPU *current_cpu, PCADDR pc, int num)
 
         s.p1 = (PTR) sd;
         s.p2 = (PTR) current_cpu;
-        s.read_mem = syscall_read_mem;
-        s.write_mem = syscall_write_mem;
+        s.read_mem = sim_syscall_read_mem;
+        s.write_mem = sim_syscall_write_mem;
 
         result = 0;
         result2 = 0;