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Add ABFD argument to sim_create_inferior. Document.

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Add file sim-hload.c - generic load for hardware only simulators.
Review each simulators sim_open, sim_load, sim_create_inferior so that
they more closely match required behavour.
This commit is contained in:
Andrew Cagney 1997-08-27 04:44:41 +00:00
parent 9f64f00ada
commit fafce69ab1
35 changed files with 626 additions and 382 deletions
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52
sim/common/sim-utils.c
View file

@ -119,9 +119,7 @@ char **
sim_copy_argv (argv)
char **argv;
{
int i;
int argc;
int len;
char **copy;
if (argv == NULL)
@ -149,16 +147,56 @@ sim_copy_argv (argv)
return copy;
}
/* Analyze a bfd and set various fields in the state struct. */
/* Analyze a prog_name/prog_bfd and set various fields in the state
struct. */
void
sim_analyze_program (sd, prog_bfd)
SIM_RC
sim_analyze_program (sd, prog_name, prog_bfd)
SIM_DESC sd;
char *prog_name;
bfd *prog_bfd;
{
asection *s;
SIM_ASSERT (STATE_MAGIC (sd) == SIM_MAGIC_NUMBER);
if (prog_bfd != NULL)
{
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);
}
/* do we need to duplicate anything? */
if (prog_name == NULL)
return SIM_RC_OK;
/* open a new copy of the prog_bfd */
prog_bfd = bfd_openr (prog_name, 0);
if (prog_bfd == NULL)
{
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;
}
/* 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);
@ -170,6 +208,8 @@ sim_analyze_program (sd, prog_bfd)
STATE_TEXT_END (sd) = STATE_TEXT_START (sd) + bfd_section_size (prog_bfd, s);
break;
}
return SIM_RC_OK;
}
/* Simulator timing support. */