/* The common simulator framework for GDB, the GNU Debugger.
- Copyright 2002-2016 Free Software Foundation, Inc.
+ Copyright 2002-2021 Free Software Foundation, Inc.
Contributed by Andrew Cagney and Red Hat.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>. */
+/* This must come before any other includes. */
+#include "defs.h"
+
+#include "bfd.h"
#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;
enum sim_alignments current_alignment;
/* 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";
}
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 */
"--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*)(¤t_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)
- 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),
}
#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 */
#endif
if (current_alignment == 0)
current_alignment = WITH_ALIGNMENT;
+ /* If the port hasn't specified an alignment, default to not enforcing. */
if (current_alignment == 0)
- current_alignment = WITH_DEFAULT_ALIGNMENT;
+ current_alignment = NONSTRICT_ALIGNMENT;
/* verify the alignment */
if (CURRENT_ALIGNMENT == 0)
void
-print_sim_config (SIM_DESC sd)
+sim_config_print (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",
- 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",
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