[aarch64] Add support for pointer authentication B key
[deliverable/binutils-gdb.git] / sim / common / sim-config.c
index 32eed3171243202a936f80897d66e7e48e3ada3a..1f6c7d091166861d40f52c56d799f395b331e40a 100644 (file)
@@ -1,6 +1,6 @@
 /* The common simulator framework for GDB, the GNU Debugger.
 
-   Copyright 2002, 2007, 2008, 2009, 2010, 2011 Free Software Foundation, Inc.
+   Copyright 2002-2018 Free Software Foundation, Inc.
 
    Contributed by Andrew Cagney and Red Hat.
 
@@ -25,8 +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;
@@ -40,16 +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";
 }
@@ -140,7 +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 */
@@ -149,47 +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;
+    prefered_target_byte_order = BFD_ENDIAN_UNKNOWN;
   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;
-  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;
-    }
-
+                                 ? 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;
@@ -198,7 +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),
@@ -255,7 +237,8 @@ sim_config (SIM_DESC sd)
     }
 #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 */
@@ -313,26 +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",
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