import gdb-1999-05-25 snapshot

[deliverable/binutils-gdb.git] / sim / mcore / interp.c

diff --git a/sim/mcore/interp.c b/sim/mcore/interp.c
index 003f6976f92a3be97d4fae835774aad0dc9aa992..810bb0698355faff1f915034b07658b08ca306b8 100644 (file)
--- a/sim/mcore/interp.c
+++ b/sim/mcore/interp.c
@@ -1002,6 +1002,9 @@ sim_resume (sd, step, siggnal)
              break;
            case 0xC:                                   /* jmp */
              pc = cpu.gr[RD];
+             if (tracing && RD == 15)
+               fprintf (stderr, "Func return, r2 = %x, r3 = %x\n",
+                        cpu.gr[2], cpu.gr[3]);
              bonus_cycles++;
              needfetch = 1;
              break;
@@ -1127,6 +1130,9 @@ sim_resume (sd, step, siggnal)
            bonus_cycles += ticks;
          }
          bonus_cycles += 2;  /* min. is 3, so add 2, plus ticks above */
+         if (tracing)
+           fprintf (stderr, "  mult %x by %x to give %x",
+                    cpu.gr[RD], cpu.gr[RS], cpu.gr[RD] * cpu.gr[RS]);
          cpu.gr[RD] = cpu.gr[RD] * cpu.gr[RS];
          break;
        case 0x04:                                      /* loopt */
@@ -1205,6 +1211,8 @@ sim_resume (sd, step, siggnal)
 
        case 0x12:                                      /* mov */
          cpu.gr[RD] = cpu.gr[RS];
+         if (tracing)
+           fprintf (stderr, "MOV %x into reg %d", cpu.gr[RD], RD);
          break;
 
        case 0x13:                                      /* bgenr */
@@ -1513,6 +1521,9 @@ sim_resume (sd, step, siggnal)
          break;
        case 0x7F:                                      /* jsri */
          cpu.gr[15] = pc;
+         if (tracing)
+           fprintf (stderr, "func call: r2 = %x r3 = %x r4 = %x r5 = %x r6 = %x r7 = %x\n",
+                    cpu.gr[2], cpu.gr[3], cpu.gr[4], cpu.gr[5], cpu.gr[6], cpu.gr[7]);
        case 0x70:                                      /* jmpi */
          pc = rlat ((pc + ((inst & 0xFF) << 2)) & 0xFFFFFFFC);
          memops++;