/* Miscellaneous simulator utilities.
- Copyright (C) 1997 Free Software Foundation, Inc.
+ Copyright (C) 1997, 1998 Free Software Foundation, Inc.
Contributed by Cygnus Support.
This file is part of GDB, the GNU debugger.
#include "sim-main.h"
#include "sim-assert.h"
+
#ifdef HAVE_STDLIB_H
#include <stdlib.h>
#endif
+
#ifdef HAVE_TIME_H
#include <time.h>
#endif
+
#ifdef HAVE_SYS_TIME_H
#include <sys/time.h> /* needed by sys/resource.h */
#endif
+
#ifdef HAVE_SYS_RESOURCE_H
#include <sys/resource.h>
#endif
+
+#ifdef HAVE_STRING_H
+#include <string.h>
+#else
+#ifdef HAVE_STRINGS_H
+#include <strings.h>
+#endif
+#endif
+
#include "libiberty.h"
#include "bfd.h"
+#include "sim-utils.h"
/* Global pointer to all state data.
Set by sim_resume. */
struct sim_state *current_state;
-/* Allocate zero filled memory with xmalloc. */
+/* Allocate zero filled memory with xmalloc - xmalloc aborts of the
+ allocation fails. */
void *
zalloc (unsigned long size)
/* Allocate a sim_state struct. */
SIM_DESC
-sim_state_alloc (void)
+sim_state_alloc (SIM_OPEN_KIND kind,
+ host_callback *callback)
{
- SIM_DESC sd = zalloc (sizeof (struct sim_state));
- sd->base.magic = SIM_MAGIC_NUMBER;
+ SIM_DESC sd = ZALLOC (struct sim_state);
+
+ STATE_MAGIC (sd) = SIM_MAGIC_NUMBER;
+ STATE_CALLBACK (sd) = callback;
+ STATE_OPEN_KIND (sd) = kind;
+
+#if 0
+ {
+ int cpu_nr;
+
+ /* Initialize the back link from the cpu struct to the state struct. */
+ /* ??? I can envision a design where the state struct contains an array
+ of pointers to cpu structs, rather than an array of structs themselves.
+ Implementing this is trickier as one may not know what to allocate until
+ one has parsed the args. Parsing the args twice wouldn't be unreasonable,
+ IMHO. If the state struct ever does contain an array of pointers then we
+ can't do this here. */
+ for (cpu_nr = 0; cpu_nr < MAX_NR_PROCESSORS; cpu_nr++)
+ CPU_STATE (STATE_CPU (sd, cpu_nr)) = sd;
+ }
+#endif
+
+#ifdef SIM_STATE_INIT
+ SIM_STATE_INIT (sd);
+#endif
+
return sd;
}
sim_state_free (SIM_DESC sd)
{
ASSERT (sd->base.magic == SIM_MAGIC_NUMBER);
+
+#ifdef SIM_STATE_FREE
+ SIM_STATE_FREE (sd);
+#endif
+
zfree (sd);
}
+/* Return a pointer to the cpu data for CPU_NAME, or NULL if not found. */
+
+sim_cpu *
+sim_cpu_lookup (SIM_DESC sd, const char *cpu_name)
+{
+ int i;
+
+ for (i = 0; i < MAX_NR_PROCESSORS; ++i)
+ if (strcmp (cpu_name, CPU_NAME (STATE_CPU (sd, i))) == 0)
+ return STATE_CPU (sd, i);
+ return NULL;
+}
+
/* Turn VALUE into a string with commas. */
char *
return endbuf;
}
-/* Make a copy of ARGV.
- This can also be used to copy the environment vector.
- The result is a pointer to the malloc'd copy or NULL if insufficient
- memory available. */
+/* Analyze a prog_name/prog_bfd and set various fields in the state
+ struct. */
-char **
-sim_copy_argv (argv)
- char **argv;
+SIM_RC
+sim_analyze_program (sd, prog_name, prog_bfd)
+ SIM_DESC sd;
+ char *prog_name;
+ bfd *prog_bfd;
{
- int i,argc,len;
- char **copy,*p;
+ asection *s;
+ SIM_ASSERT (STATE_MAGIC (sd) == SIM_MAGIC_NUMBER);
- argc = len = 0;
- if (argv)
+ if (prog_bfd != NULL)
{
- for ( ; argv[argc]; ++argc)
- len += strlen (argv[argc]) + 1;
+ if (prog_bfd == STATE_PROG_BFD (sd))
+ /* already analyzed */
+ return SIM_RC_OK;
+ else
+ /* duplicate needed, save the name of the file to be re-opened */
+ prog_name = bfd_get_filename (prog_bfd);
}
- copy = (char **) malloc ((argc + 1) * sizeof (char *) + len);
- if (copy == NULL)
- return NULL;
+ /* do we need to duplicate anything? */
+ if (prog_name == NULL)
+ return SIM_RC_OK;
- p = (char *) copy + (argc + 1) * sizeof (char *);
- for (i = 0; i < argc; ++i)
+ /* open a new copy of the prog_bfd */
+ prog_bfd = bfd_openr (prog_name, STATE_TARGET (sd));
+ if (prog_bfd == NULL)
{
- copy[i] = p;
- strcpy (p, argv[i]);
- p += strlen (argv[i]) + 1;
+ sim_io_eprintf (sd, "%s: can't open \"%s\": %s\n",
+ STATE_MY_NAME (sd),
+ prog_name,
+ bfd_errmsg (bfd_get_error ()));
+ return SIM_RC_FAIL;
+ }
+ if (!bfd_check_format (prog_bfd, bfd_object))
+ {
+ sim_io_eprintf (sd, "%s: \"%s\" is not an object file: %s\n",
+ STATE_MY_NAME (sd),
+ prog_name,
+ bfd_errmsg (bfd_get_error ()));
+ bfd_close (prog_bfd);
+ return SIM_RC_FAIL;
+ }
+ if (STATE_ARCHITECTURE (sd) != NULL)
+ bfd_set_arch_info (prog_bfd, STATE_ARCHITECTURE (sd));
+ else
+ {
+ if (bfd_get_arch (prog_bfd) != bfd_arch_unknown
+ && bfd_get_arch (prog_bfd) != bfd_arch_obscure)
+ {
+ STATE_ARCHITECTURE (sd) = bfd_get_arch_info (prog_bfd);
+ }
}
- copy[argc] = 0;
-
- return copy;
-}
-
-/* Analyze a bfd and set various fields in the state struct. */
-
-void
-sim_analyze_program (sd, prog_bfd)
- SIM_DESC sd;
- bfd *prog_bfd;
-{
- asection *s;
+ /* update the sim structure */
+ if (STATE_PROG_BFD (sd) != NULL)
+ bfd_close (STATE_PROG_BFD (sd));
STATE_PROG_BFD (sd) = prog_bfd;
STATE_START_ADDR (sd) = bfd_get_start_address (prog_bfd);
STATE_TEXT_END (sd) = STATE_TEXT_START (sd) + bfd_section_size (prog_bfd, s);
break;
}
+
+ return SIM_RC_OK;
}
\f
/* Simulator timing support. */
#ifdef HAVE_GETRUSAGE
struct rusage mytime;
if (getrusage (RUSAGE_SELF, &mytime) == 0)
- return (SIM_ELAPSED_TIME) (((double) mytime.ru_utime.tv_sec * 1000) + (((double) mytime.ru_utime.tv_usec + 500) / 1000));
- return 0;
+ return 1 + (SIM_ELAPSED_TIME) (((double) mytime.ru_utime.tv_sec * 1000) + (((double) mytime.ru_utime.tv_usec + 500) / 1000));
+ return 1;
#else
#ifdef HAVE_TIME
- return (SIM_ELAPSED_TIME) time ((time_t) 0);
+ return 1 + (SIM_ELAPSED_TIME) time ((time_t) 0);
#else
- return 0;
+ return 1;
#endif
#endif
}
#endif
#endif
}
+
+
+
+/* do_command but with printf style formatting of the arguments */
+void
+sim_do_commandf (SIM_DESC sd,
+ const char *fmt,
+ ...)
+{
+ va_list ap;
+ char *buf;
+ va_start (ap, fmt);
+ vasprintf (&buf, fmt, ap);
+ sim_do_command (sd, buf);
+ va_end (ap);
+ free (buf);
+}
projects / thirdparty / binutils-gdb.git / blobdiff