* infrun.c (adjust_pc_after_break): Do not assume software single-step
[deliverable/binutils-gdb.git] / gdb / rs6000-tdep.c
index c8f748cc0eb2e6a045f529c4638e9f36268c1558..ac5b091afca238e0c4808792c597a7e30f86b7df 100644 (file)
@@ -342,8 +342,9 @@ ppc_supply_gregset (const struct regset *regset, struct regcache *regcache,
        ppc_supply_reg (regcache, i, gregs, offset);
     }
 
-  if (regnum == -1 || regnum == PC_REGNUM)
-    ppc_supply_reg (regcache, PC_REGNUM, gregs, offsets->pc_offset);
+  if (regnum == -1 || regnum == gdbarch_pc_regnum (current_gdbarch))
+    ppc_supply_reg (regcache, gdbarch_pc_regnum (current_gdbarch),
+                   gregs, offsets->pc_offset);
   if (regnum == -1 || regnum == tdep->ppc_ps_regnum)
     ppc_supply_reg (regcache, tdep->ppc_ps_regnum,
                    gregs, offsets->ps_offset);
@@ -418,8 +419,9 @@ ppc_collect_gregset (const struct regset *regset,
        ppc_collect_reg (regcache, i, gregs, offset);
     }
 
-  if (regnum == -1 || regnum == PC_REGNUM)
-    ppc_collect_reg (regcache, PC_REGNUM, gregs, offsets->pc_offset);
+  if (regnum == -1 || regnum == gdbarch_pc_regnum (current_gdbarch))
+    ppc_collect_reg (regcache, gdbarch_pc_regnum (current_gdbarch),
+                    gregs, offsets->pc_offset);
   if (regnum == -1 || regnum == tdep->ppc_ps_regnum)
     ppc_collect_reg (regcache, tdep->ppc_ps_regnum,
                     gregs, offsets->ps_offset);
@@ -1697,7 +1699,9 @@ rs6000_push_dummy_call (struct gdbarch *gdbarch, struct value *function,
 
 ran_out_of_registers_for_arguments:
 
-  regcache_cooked_read_unsigned (regcache, SP_REGNUM, &saved_sp);
+  regcache_cooked_read_unsigned (regcache,
+                                gdbarch_sp_regnum (current_gdbarch),
+                                &saved_sp);
 
   /* Location for 8 parameters are always reserved.  */
   sp -= wordsize * 8;
@@ -1739,7 +1743,8 @@ ran_out_of_registers_for_arguments:
          to use this area.  So, update %sp first before doing anything
          else.  */
 
-      regcache_raw_write_signed (regcache, SP_REGNUM, sp);
+      regcache_raw_write_signed (regcache,
+                                gdbarch_sp_regnum (current_gdbarch), sp);
 
       /* If the last argument copied into the registers didn't fit there 
          completely, push the rest of it into stack.  */
@@ -1786,7 +1791,7 @@ ran_out_of_registers_for_arguments:
      Not doing this can lead to conflicts with the kernel which thinks
      that it still has control over this not-yet-allocated stack
      region.  */
-  regcache_raw_write_signed (regcache, SP_REGNUM, sp);
+  regcache_raw_write_signed (regcache, gdbarch_sp_regnum (current_gdbarch), sp);
 
   /* Set back chain properly.  */
   store_unsigned_integer (tmp_buffer, wordsize, saved_sp);
@@ -2024,6 +2029,88 @@ rs6000_skip_trampoline_code (struct frame_info *frame, CORE_ADDR pc)
   return pc;
 }
 
+/* ISA-specific vector types.  */
+
+static struct type *
+rs6000_builtin_type_vec64 (struct gdbarch *gdbarch)
+{
+  struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
+
+  if (!tdep->ppc_builtin_type_vec64)
+    {
+      /* The type we're building is this: */
+#if 0
+      union __gdb_builtin_type_vec64
+       {
+         int64_t uint64;
+         float v2_float[2];
+         int32_t v2_int32[2];
+         int16_t v4_int16[4];
+         int8_t v8_int8[8];
+       };
+#endif
+
+      struct type *t;
+
+      t = init_composite_type ("__ppc_builtin_type_vec64", TYPE_CODE_UNION);
+      append_composite_type_field (t, "uint64", builtin_type_int64);
+      append_composite_type_field (t, "v2_float",
+                                  init_vector_type (builtin_type_float, 2));
+      append_composite_type_field (t, "v2_int32",
+                                  init_vector_type (builtin_type_int32, 2));
+      append_composite_type_field (t, "v4_int16",
+                                  init_vector_type (builtin_type_int16, 4));
+      append_composite_type_field (t, "v8_int8",
+                                  init_vector_type (builtin_type_int8, 8));
+
+      TYPE_FLAGS (t) |= TYPE_FLAG_VECTOR;
+      TYPE_NAME (t) = "ppc_builtin_type_vec64";
+      tdep->ppc_builtin_type_vec64 = t;
+    }
+
+  return tdep->ppc_builtin_type_vec64;
+}
+
+static struct type *
+rs6000_builtin_type_vec128 (struct gdbarch *gdbarch)
+{
+  struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
+
+  if (!tdep->ppc_builtin_type_vec128)
+    {
+      /* The type we're building is this: */
+#if 0
+      union __gdb_builtin_type_vec128
+       {
+         int128_t uint128;
+         float v4_float[4];
+         int32_t v4_int32[4];
+         int16_t v8_int16[8];
+         int8_t v16_int8[16];
+       };
+#endif
+
+      struct type *t;
+
+      t = init_composite_type ("__ppc_builtin_type_vec128", TYPE_CODE_UNION);
+      append_composite_type_field (t, "uint128", builtin_type_int128);
+      append_composite_type_field (t, "v4_float",
+                                  init_vector_type (builtin_type_float, 4));
+      append_composite_type_field (t, "v4_int32",
+                                  init_vector_type (builtin_type_int32, 4));
+      append_composite_type_field (t, "v8_int16",
+                                  init_vector_type (builtin_type_int16, 8));
+      append_composite_type_field (t, "v16_int8",
+                                  init_vector_type (builtin_type_int8, 16));
+
+      TYPE_FLAGS (t) |= TYPE_FLAG_VECTOR;
+      TYPE_NAME (t) = "ppc_builtin_type_vec128";
+      tdep->ppc_builtin_type_vec128 = t;
+    }
+
+  return tdep->ppc_builtin_type_vec128;
+}
+
 /* Return the size of register REG when words are WORDSIZE bytes long.  If REG
    isn't available with that word size, return 0.  */
 
@@ -2069,12 +2156,12 @@ rs6000_register_type (struct gdbarch *gdbarch, int n)
          return builtin_type_uint32;
        case 8:
          if (tdep->ppc_ev0_regnum <= n && n <= tdep->ppc_ev31_regnum)
-           return builtin_type_vec64;
+           return rs6000_builtin_type_vec64 (gdbarch);
          else
            return builtin_type_uint64;
          break;
        case 16:
-         return builtin_type_vec128;
+         return rs6000_builtin_type_vec128 (gdbarch);
          break;
        default:
          internal_error (__FILE__, __LINE__, _("Register %d size %d unknown"),
@@ -2128,7 +2215,7 @@ rs6000_register_reggroup_p (struct gdbarch *gdbarch, int regnum,
               || regnum == tdep->ppc_lr_regnum
               || regnum == tdep->ppc_ctr_regnum
               || regnum == tdep->ppc_xer_regnum
-              || regnum == PC_REGNUM);
+              || regnum == gdbarch_pc_regnum (current_gdbarch));
   if (group == general_reggroup)
     return general_p;
 
@@ -3037,15 +3124,16 @@ gdb_print_insn_powerpc (bfd_vma memaddr, disassemble_info *info)
 static CORE_ADDR
 rs6000_unwind_pc (struct gdbarch *gdbarch, struct frame_info *next_frame)
 {
-  return frame_unwind_register_unsigned (next_frame, PC_REGNUM);
+  return frame_unwind_register_unsigned (next_frame,
+                                        gdbarch_pc_regnum (current_gdbarch));
 }
 
 static struct frame_id
 rs6000_unwind_dummy_id (struct gdbarch *gdbarch, struct frame_info *next_frame)
 {
-  return frame_id_build (frame_unwind_register_unsigned (next_frame,
-                                                        SP_REGNUM),
-                        frame_pc_unwind (next_frame));
+  return frame_id_build (frame_unwind_register_unsigned
+                        (next_frame, gdbarch_sp_regnum (current_gdbarch)),
+                       frame_pc_unwind (next_frame));
 }
 
 struct rs6000_frame_cache
@@ -3082,7 +3170,8 @@ rs6000_frame_cache (struct frame_info *next_frame, void **this_cache)
      ->frame pointed to the outer-most address of the frame.  In
      the mean time, the address of the prev frame is used as the
      base address of this frame.  */
-  cache->base = frame_unwind_register_unsigned (next_frame, SP_REGNUM);
+  cache->base = frame_unwind_register_unsigned
+               (next_frame, gdbarch_sp_regnum (current_gdbarch));
 
   /* If the function appears to be frameless, check a couple of likely
      indicators that we have simply failed to find the frame setup.
@@ -3120,7 +3209,8 @@ rs6000_frame_cache (struct frame_info *next_frame, void **this_cache)
     /* Frameless really means stackless.  */
     cache->base = read_memory_addr (cache->base, wordsize);
 
-  trad_frame_set_value (cache->saved_regs, SP_REGNUM, cache->base);
+  trad_frame_set_value (cache->saved_regs,
+                       gdbarch_sp_regnum (current_gdbarch), cache->base);
 
   /* if != -1, fdata.saved_fpr is the smallest number of saved_fpr.
      All fpr's from saved_fpr to fp31 are saved.  */
@@ -3199,7 +3289,8 @@ rs6000_frame_cache (struct frame_info *next_frame, void **this_cache)
   if (fdata.lr_offset != 0)
     cache->saved_regs[tdep->ppc_lr_regnum].addr = cache->base + fdata.lr_offset;
   /* The PC is found in the link register.  */
-  cache->saved_regs[PC_REGNUM] = cache->saved_regs[tdep->ppc_lr_regnum];
+  cache->saved_regs[gdbarch_pc_regnum (current_gdbarch)] =
+    cache->saved_regs[tdep->ppc_lr_regnum];
 
   /* If != 0, fdata.vrsave_offset is the offset from the frame that
      holds the VRSAVE.  */
@@ -3209,7 +3300,8 @@ rs6000_frame_cache (struct frame_info *next_frame, void **this_cache)
   if (fdata.alloca_reg < 0)
     /* If no alloca register used, then fi->frame is the value of the
        %sp for this frame, and it is good enough.  */
-    cache->initial_sp = frame_unwind_register_unsigned (next_frame, SP_REGNUM);
+    cache->initial_sp = frame_unwind_register_unsigned
+                       (next_frame, gdbarch_sp_regnum (current_gdbarch));
   else
     cache->initial_sp = frame_unwind_register_unsigned (next_frame,
                                                        fdata.alloca_reg);
@@ -3364,7 +3456,7 @@ rs6000_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
       info.bfd_arch_info = bfd_get_arch_info (&abfd);
       mach = info.bfd_arch_info->mach;
     }
-  tdep = xmalloc (sizeof (struct gdbarch_tdep));
+  tdep = XCALLOC (1, struct gdbarch_tdep);
   tdep->wordsize = wordsize;
 
   /* For e500 executables, the apuinfo section is of help here.  Such
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