-/* This file is part of the GNU simulators.
+/* The common simulator framework for GDB, the GNU Debugger.
- Copyright (C) 1994-1995,1997, Andrew Cagney <cagney@highland.com.au>
+ Copyright 2002-2016 Free Software Foundation, Inc.
- 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
- (at your option) any later version.
+ Contributed by Andrew Cagney and Red Hat.
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- 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.
-
- */
+ This file is part of GDB.
+
+ 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 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ 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, see <http://www.gnu.org/licenses/>. */
#include "sim-main.h"
+#include "sim-assert.h"
#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;
-#if defined (WITH_ENVIRONMENT)
-int current_environment;
-#endif
-
-#if defined (WITH_ALIGNMENT)
enum sim_alignments current_alignment;
-#endif
#if defined (WITH_FLOATING_POINT)
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";
}
}
-#if defined (WITH_ENVIRONMENT)
static const char *
-config_environment_to_a (int environment)
+config_environment_to_a (enum sim_environment environment)
{
switch (environment)
{
+ case ALL_ENVIRONMENT:
+ return "ALL_ENVIRONMENT";
case USER_ENVIRONMENT:
return "USER_ENVIRONMENT";
case VIRTUAL_ENVIRONMENT:
return "VIRTUAL_ENVIRONMENT";
case OPERATING_ENVIRONMENT:
return "OPERATING_ENVIRONMENT";
- case 0:
- return "0";
}
return "UNKNOWN";
}
-#endif
static const char *
-config_alignment_to_a (int alignment)
+config_alignment_to_a (enum sim_alignments alignment)
{
switch (alignment)
{
}
#endif
+/* Set the default environment, prior to parsing argv. */
+
+void
+sim_config_default (SIM_DESC sd)
+{
+ /* Set the current environment to ALL_ENVIRONMENT to indicate none has been
+ selected yet. This is so that after parsing argv, we know whether the
+ environment was explicitly specified or not. */
+ STATE_ENVIRONMENT (sd) = ALL_ENVIRONMENT;
+}
+
+/* Complete and verify the simulation environment. */
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 */
- if (STATE_PROG_BFD (sd) == NULL)
- 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*)(¤t_host_byte_order))
- current_host_byte_order = LITTLE_ENDIAN;
+ if (STATE_PROG_BFD (sd) == NULL
+ /* If we have a binary input file (presumably with specified
+ "--architecture"), it'll have no endianness. */
+ || (!bfd_little_endian (STATE_PROG_BFD (sd))
+ && !bfd_big_endian (STATE_PROG_BFD (sd))))
+ 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_DEVICES)
- if (current_target_byte_order == 0)
+#if (WITH_TREE_PROPERTIES)
+ 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;
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),
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))
WITH_TARGET_WORD_BITSIZE, WITH_TARGET_WORD_MSB);
return SIM_RC_FAIL;
}
-
-
-#if defined (WITH_ENVIRONMENT)
-
+
+
/* set the environment */
-#if (WITH_DEVICES)
- if (current_environment == 0)
+#if (WITH_TREE_PROPERTIES)
+ if (STATE_ENVIRONMENT (sd) == ALL_ENVIRONMENT)
{
const char *env =
- tree_find_string_property(root, "/openprom/options/env");
- current_environment = ((strcmp(env, "user") == 0
- || strcmp(env, "uea") == 0)
- ? USER_ENVIRONMENT
- : (strcmp(env, "virtual") == 0
- || strcmp(env, "vea") == 0)
- ? VIRTUAL_ENVIRONMENT
- : (strcmp(env, "operating") == 0
- || strcmp(env, "oea") == 0)
- ? OPERATING_ENVIRONMENT
- : 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)
+ ? VIRTUAL_ENVIRONMENT
+ : (strcmp (env, "operating") == 0
+ || strcmp (env, "oea") == 0)
+ ? OPERATING_ENVIRONMENT
+ : ALL_ENVIRONMENT);
}
#endif
- if (current_environment == 0)
- current_environment = WITH_ENVIRONMENT;
-
- /* verify the environment */
- if (CURRENT_ENVIRONMENT == 0)
- {
- sim_io_eprintf (sd, "Target environment unspecified\n");
- return SIM_RC_FAIL;
- }
- if (CURRENT_ENVIRONMENT != current_environment)
- {
- sim_io_eprintf (sd, "Target (%s) and configured (%s) environment in conflict\n",
- config_environment_to_a (CURRENT_ENVIRONMENT),
- config_environment_to_a (current_environment));
- return SIM_RC_FAIL;
- }
-#endif
-
-
-#if defined (WITH_ALIGNMENT)
-
+ if (STATE_ENVIRONMENT (sd) == ALL_ENVIRONMENT)
+ STATE_ENVIRONMENT (sd) = (WITH_ENVIRONMENT != ALL_ENVIRONMENT ?
+ WITH_ENVIRONMENT : USER_ENVIRONMENT);
+
+
/* set the alignment */
-#if defined (WITH_DEVICES)
+#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
if (current_alignment == 0)
current_alignment = WITH_ALIGNMENT;
-
+ if (current_alignment == 0)
+ current_alignment = WITH_DEFAULT_ALIGNMENT;
+
/* verify the alignment */
if (CURRENT_ALIGNMENT == 0)
{
config_alignment_to_a (current_alignment));
return SIM_RC_FAIL;
}
-#endif
-
-
-#if defined (WITH_FLOAING_POINT)
-
+
+#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)
{
config_alignment_to_a (current_floating_point));
return SIM_RC_FAIL;
}
-
+
#endif
return SIM_RC_OK;
}
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",
+ WITH_TARGET_WORD_MSB);
+
sim_io_printf (sd, "WITH_TARGET_WORD_BITSIZE = %d\n",
- WITH_TARGET_WORD_BITSIZE);
+ WITH_TARGET_WORD_BITSIZE);
- sim_io_printf (sd, "WITH_TARGET_WORD_MSB = %d\n",
- WITH_TARGET_WORD_MSB);
+ sim_io_printf (sd, "WITH_TARGET_ADDRESS_BITSIZE = %d\n",
+ WITH_TARGET_ADDRESS_BITSIZE);
-#if defined (WITH_XOR_ENDIAN)
- sim_io_printf (sd, "WITH_XOR_ENDIAN = %d\n", WITH_XOR_ENDIAN);
-#endif
+ sim_io_printf (sd, "WITH_TARGET_CELL_BITSIZE = %d\n",
+ WITH_TARGET_CELL_BITSIZE);
+
+ sim_io_printf (sd, "WITH_TARGET_FLOATING_POINT_BITSIZE = %d\n",
+ WITH_TARGET_FLOATING_POINT_BITSIZE);
-#if defined (WITH_ENVIRONMENT)
sim_io_printf (sd, "WITH_ENVIRONMENT = %s\n",
config_environment_to_a (WITH_ENVIRONMENT));
-#endif
-#if defined (WITH_ALIGNMENT)
sim_io_printf (sd, "WITH_ALIGNMENT = %s\n",
config_alignment_to_a (WITH_ALIGNMENT));
+
+#if defined (WITH_DEFAULT_ALIGNMENT)
+ sim_io_printf (sd, "WITH_DEFAULT_ALIGNMENT = %s\n",
+ config_alignment_to_a (WITH_DEFAULT_ALIGNMENT));
+#endif
+
+#if defined (WITH_XOR_ENDIAN)
+ sim_io_printf (sd, "WITH_XOR_ENDIAN = %d\n", WITH_XOR_ENDIAN);
#endif
#if defined (WITH_FLOATING_POINT)
#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
+
}
projects / deliverable / binutils-gdb.git / blobdiff