Switch the inferior too in switch_to_program_space_and_thread
[deliverable/binutils-gdb.git] / sim / common / sim-config.c
index 87a38fe7e6f6806cafe5362e23c85ed08f55c7fb..d8e3b1b1d3058d50335c4eb144e9e8ffed656672 100644 (file)
@@ -1,6 +1,6 @@
 /* The common simulator framework for GDB, the GNU Debugger.
 
-   Copyright 2002 Free Software Foundation, Inc.
+   Copyright 2002-2020 Free Software Foundation, Inc.
 
    Contributed by Andrew Cagney and Red Hat.
 
@@ -8,7 +8,7 @@
 
    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
-   the Free Software Foundation; either version 2 of the License, or
+   the Free Software Foundation; either version 3 of the License, or
    (at your option) any later version.
 
    This program is distributed in the hope that it will be useful,
@@ -17,9 +17,7 @@
    GNU General Public License for more details.
 
    You should have received a copy of the GNU General Public License
-   along with this program; if not, write to the Free Software
-   Foundation, Inc., 59 Temple Place - Suite 330,
-   Boston, MA 02111-1307, USA.  */
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
 
 
 #include "sim-main.h"
@@ -27,8 +25,7 @@
 #include "bfd.h"
 
 
-int current_host_byte_order;
-int current_target_byte_order;
+enum bfd_endian current_target_byte_order = BFD_ENDIAN_UNKNOWN;
 int current_stdio;
 
 enum sim_alignments current_alignment;
@@ -42,16 +39,16 @@ int current_floating_point;
 /* map a byte order onto a textual string */
 
 static const char *
-config_byte_order_to_a (int byte_order)
+config_byte_order_to_a (enum bfd_endian byte_order)
 {
   switch (byte_order)
     {
-    case LITTLE_ENDIAN:
+    case BFD_ENDIAN_LITTLE:
       return "LITTLE_ENDIAN";
-    case BIG_ENDIAN:
+    case BFD_ENDIAN_BIG:
       return "BIG_ENDIAN";
-    case 0:
-      return "0";
+    case BFD_ENDIAN_UNKNOWN:
+      return "UNKNOWN_ENDIAN";
     }
   return "UNKNOWN";
 }
@@ -142,7 +139,7 @@ sim_config_default (SIM_DESC sd)
 SIM_RC
 sim_config (SIM_DESC sd)
 {
-  int prefered_target_byte_order;
+  enum bfd_endian prefered_target_byte_order;
   SIM_ASSERT (STATE_MAGIC (sd) == SIM_MAGIC_NUMBER);
 
   /* extract all relevant information */
@@ -151,47 +148,30 @@ sim_config (SIM_DESC sd)
         "--architecture"), it'll have no endianness.  */
       || (!bfd_little_endian (STATE_PROG_BFD (sd))
          && !bfd_big_endian (STATE_PROG_BFD (sd))))
-    prefered_target_byte_order = 0;
-  else
-    prefered_target_byte_order = (bfd_little_endian(STATE_PROG_BFD (sd))
-                                 ? LITTLE_ENDIAN
-                                 : BIG_ENDIAN);
-
-  /* set the host byte order */
-  current_host_byte_order = 1;
-  if (*(char*)(&current_host_byte_order))
-    current_host_byte_order = LITTLE_ENDIAN;
+    prefered_target_byte_order = BFD_ENDIAN_UNKNOWN;
   else
-    current_host_byte_order = BIG_ENDIAN;
-
-  /* verify the host byte order */
-  if (CURRENT_HOST_BYTE_ORDER != current_host_byte_order)
-    {
-      sim_io_eprintf (sd, "host (%s) and configured (%s) byte order in conflict",
-                     config_byte_order_to_a (current_host_byte_order),
-                     config_byte_order_to_a (CURRENT_HOST_BYTE_ORDER));
-      return SIM_RC_FAIL;
-    }
-
+    prefered_target_byte_order = (bfd_little_endian (STATE_PROG_BFD (sd))
+                                 ? BFD_ENDIAN_LITTLE
+                                 : BFD_ENDIAN_BIG);
 
   /* set the target byte order */
 #if (WITH_TREE_PROPERTIES)
-  if (current_target_byte_order == 0)
+  if (current_target_byte_order == BFD_ENDIAN_UNKNOWN)
     current_target_byte_order
       = (tree_find_boolean_property (root, "/options/little-endian?")
-        ? LITTLE_ENDIAN
-        : BIG_ENDIAN);
+        ? BFD_ENDIAN_LITTLE
+        : BFD_ENDIAN_BIG);
 #endif
-  if (current_target_byte_order == 0
-      && prefered_target_byte_order != 0)
+  if (current_target_byte_order == BFD_ENDIAN_UNKNOWN
+      && prefered_target_byte_order != BFD_ENDIAN_UNKNOWN)
     current_target_byte_order = prefered_target_byte_order;
-  if (current_target_byte_order == 0)
+  if (current_target_byte_order == BFD_ENDIAN_UNKNOWN)
     current_target_byte_order = WITH_TARGET_BYTE_ORDER;
-  if (current_target_byte_order == 0)
+  if (current_target_byte_order == BFD_ENDIAN_UNKNOWN)
     current_target_byte_order = WITH_DEFAULT_TARGET_BYTE_ORDER;
 
   /* verify the target byte order */
-  if (CURRENT_TARGET_BYTE_ORDER == 0)
+  if (CURRENT_TARGET_BYTE_ORDER == BFD_ENDIAN_UNKNOWN)
     {
       sim_io_eprintf (sd, "Target byte order unspecified\n");
       return SIM_RC_FAIL;
@@ -200,7 +180,7 @@ sim_config (SIM_DESC sd)
     sim_io_eprintf (sd, "Target (%s) and configured (%s) byte order in conflict\n",
                  config_byte_order_to_a (current_target_byte_order),
                  config_byte_order_to_a (CURRENT_TARGET_BYTE_ORDER));
-  if (prefered_target_byte_order != 0
+  if (prefered_target_byte_order != BFD_ENDIAN_UNKNOWN
       && CURRENT_TARGET_BYTE_ORDER != prefered_target_byte_order)
     sim_io_eprintf (sd, "Target (%s) and specified (%s) byte order in conflict\n",
                  config_byte_order_to_a (CURRENT_TARGET_BYTE_ORDER),
@@ -226,8 +206,8 @@ sim_config (SIM_DESC sd)
                      config_stdio_to_a (current_stdio));
       return SIM_RC_FAIL;
     }
-  
-  
+
+
   /* check the value of MSB */
   if (WITH_TARGET_WORD_MSB != 0
       && WITH_TARGET_WORD_MSB != (WITH_TARGET_WORD_BITSIZE - 1))
@@ -236,35 +216,36 @@ sim_config (SIM_DESC sd)
                      WITH_TARGET_WORD_BITSIZE, WITH_TARGET_WORD_MSB);
       return SIM_RC_FAIL;
     }
-  
-  
+
+
   /* set the environment */
 #if (WITH_TREE_PROPERTIES)
   if (STATE_ENVIRONMENT (sd) == ALL_ENVIRONMENT)
     {
       const char *env =
-       tree_find_string_property(root, "/openprom/options/env");
-      STATE_ENVIRONMENT (sd) = ((strcmp(env, "user") == 0
-                                || strcmp(env, "uea") == 0)
+       tree_find_string_property (root, "/openprom/options/env");
+      STATE_ENVIRONMENT (sd) = ((strcmp (env, "user") == 0
+                                || strcmp (env, "uea") == 0)
                                ? USER_ENVIRONMENT
-                               : (strcmp(env, "virtual") == 0
-                                  || strcmp(env, "vea") == 0)
+                               : (strcmp (env, "virtual") == 0
+                                  || strcmp (env, "vea") == 0)
                                ? VIRTUAL_ENVIRONMENT
-                               : (strcmp(env, "operating") == 0
-                                  || strcmp(env, "oea") == 0)
+                               : (strcmp (env, "operating") == 0
+                                  || strcmp (env, "oea") == 0)
                                ? OPERATING_ENVIRONMENT
                                : ALL_ENVIRONMENT);
     }
 #endif
   if (STATE_ENVIRONMENT (sd) == ALL_ENVIRONMENT)
-    STATE_ENVIRONMENT (sd) = DEFAULT_ENVIRONMENT;
-  
-  
+    STATE_ENVIRONMENT (sd) = (WITH_ENVIRONMENT != ALL_ENVIRONMENT ?
+                             WITH_ENVIRONMENT : USER_ENVIRONMENT);
+
+
   /* set the alignment */
 #if (WITH_TREE_PROPERTIES)
   if (current_alignment == 0)
     current_alignment =
-      (tree_find_boolean_property(root, "/openprom/options/strict-alignment?")
+      (tree_find_boolean_property (root, "/openprom/options/strict-alignment?")
        ? STRICT_ALIGNMENT
        : NONSTRICT_ALIGNMENT);
 #endif
@@ -272,7 +253,7 @@ sim_config (SIM_DESC sd)
     current_alignment = WITH_ALIGNMENT;
   if (current_alignment == 0)
     current_alignment = WITH_DEFAULT_ALIGNMENT;
-  
+
   /* verify the alignment */
   if (CURRENT_ALIGNMENT == 0)
     {
@@ -286,13 +267,13 @@ sim_config (SIM_DESC sd)
                      config_alignment_to_a (current_alignment));
       return SIM_RC_FAIL;
     }
-  
+
 #if defined (WITH_FLOATING_POINT)
-  
+
   /* set the floating point */
   if (current_floating_point == 0)
     current_floating_point = WITH_FLOATING_POINT;
-  
+
   /* verify the floating point */
   if (CURRENT_FLOATING_POINT == 0)
     {
@@ -306,7 +287,7 @@ sim_config (SIM_DESC sd)
                      config_alignment_to_a (current_floating_point));
       return SIM_RC_FAIL;
     }
-  
+
 #endif
   return SIM_RC_OK;
 }
@@ -315,26 +296,19 @@ sim_config (SIM_DESC sd)
 void
 print_sim_config (SIM_DESC sd)
 {
-#if defined (__GNUC__) && defined (__VERSION__)
-  sim_io_printf (sd, "Compiled by GCC %s on %s %s\n",
-                         __VERSION__, __DATE__, __TIME__);
-#else
-  sim_io_printf (sd, "Compiled on %s %s\n", __DATE__, __TIME__);
-#endif
-
-  sim_io_printf (sd, "WITH_TARGET_BYTE_ORDER   = %s\n",
+  sim_io_printf (sd, "WITH_TARGET_BYTE_ORDER = %s\n",
                 config_byte_order_to_a (WITH_TARGET_BYTE_ORDER));
 
-  sim_io_printf (sd, "WITH_DEFAULT_TARGET_BYTE_ORDER   = %s\n",
+  sim_io_printf (sd, "WITH_DEFAULT_TARGET_BYTE_ORDER = %s\n",
                 config_byte_order_to_a (WITH_DEFAULT_TARGET_BYTE_ORDER));
 
-  sim_io_printf (sd, "WITH_HOST_BYTE_ORDER     = %s\n",
-                config_byte_order_to_a (WITH_HOST_BYTE_ORDER));
+  sim_io_printf (sd, "HOST_BYTE_ORDER = %s\n",
+                config_byte_order_to_a (HOST_BYTE_ORDER));
 
-  sim_io_printf (sd, "WITH_STDIO               = %s\n",
+  sim_io_printf (sd, "WITH_STDIO = %s\n",
                 config_stdio_to_a (WITH_STDIO));
 
-  sim_io_printf (sd, "WITH_TARGET_WORD_MSB     = %d\n",
+  sim_io_printf (sd, "WITH_TARGET_WORD_MSB = %d\n",
                 WITH_TARGET_WORD_MSB);
 
   sim_io_printf (sd, "WITH_TARGET_WORD_BITSIZE = %d\n",
@@ -376,9 +350,9 @@ print_sim_config (SIM_DESC sd)
 #if defined (WITH_RESERVED_BITS)
   sim_io_printf (sd, "WITH_RESERVED_BITS = %d\n", WITH_RESERVED_BITS);
 #endif
-                
+
 #if defined (WITH_PROFILE)
   sim_io_printf (sd, "WITH_PROFILE = %d\n", WITH_PROFILE);
 #endif
-                
+
 }
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