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New commands `set architecture'', show architecture'' and `info

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architecture''.  Update SH target to use new target_architecture_hook.
This commit is contained in:
Andrew Cagney
1997-08-28 10:20:21 +00:00
parent f40d28bfc0
commit d0aba53f38
8 changed files with 348 additions and 205 deletions
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118
gdb/top.c
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@@ -118,6 +118,12 @@ static void set_endian_auto PARAMS ((char *, int));
static void show_endian PARAMS ((char *, int));
extern void set_architecture PARAMS ((char *, int));
static void show_architecture PARAMS ((char *, int));
static void info_architecture PARAMS ((char *, int));
static void show_history PARAMS ((char *, int));
static void set_history PARAMS ((char *, int));
@@ -3229,6 +3235,110 @@ set_endian_from_file (abfd)
#endif /* ! defined (TARGET_BYTE_ORDER_SELECTABLE) */
}
/* Functions to manipulate the architecture of the target */
int target_architecture_auto = 1;
extern const bfd_arch_info_type bfd_default_arch_struct;
const bfd_arch_info_type *target_architecture = &bfd_default_arch_struct;
int (*target_architecture_hook) PARAMS ((const bfd_arch_info_type *ap));
/* Called if the user enters ``set architecture'' with or without an argument. */
void
set_architecture (args, from_tty)
char *args;
int from_tty;
{
if (args == NULL)
{
printf_unfiltered ("\"set architecture\" must be followed by \"auto\" or an architecture name.\n");
}
else if (strcmp (args, "auto") == 0)
{
target_architecture_auto = 1;
}
else
{
const bfd_arch_info_type *arch = bfd_scan_arch (args);
if (arch != NULL)
{
/* FIXME: Is it compatible with gdb? */
/* Check with the target on the setting */
if (target_architecture_hook != NULL
&& !target_architecture_hook (arch))
printf_unfiltered ("Target does not support `%s' architecture.", args);
else
{
target_architecture_auto = 0;
target_architecture = arch;
}
}
else
{
printf_unfiltered ("Architecture `%s' not reconized.\n", args);
}
}
}
/* Called if the user enters ``show architecture'' without an argument. */
static void
show_architecture (args, from_tty)
char *args;
int from_tty;
{
const char *arch;
arch = target_architecture->printable_name;
if (target_architecture_auto)
printf_filtered ("The target architecture is set automatically (currently %s)\n", arch);
else
printf_filtered ("The target architecture is assumed to be %s\n", arch);
}
/* Called if the user enters ``info architecture'' without an argument. */
static void
info_architecture (args, from_tty)
char *args;
int from_tty;
{
enum bfd_architecture a;
printf_filtered ("Available architectures are:\n");
for (a = bfd_arch_obscure + 1; a < bfd_arch_last; a++)
{
const bfd_arch_info_type *ap = bfd_lookup_arch (a, 0);
if (ap != NULL)
{
do
{
printf_filtered (" %s", ap->printable_name);
ap = ap->next;
}
while (ap != NULL);
printf_filtered ("\n");
}
}
}
/* Set the architecture from a BFD */
void
set_architecture_from_file (abfd)
bfd *abfd;
{
const bfd_arch_info_type *wanted = bfd_get_arch_info (abfd);
if (target_architecture_auto)
{
if (target_architecture_hook != NULL
&& !target_architecture_hook (wanted))
warning ("Target may not support %s architecture",
wanted->printable_name);
target_architecture = wanted;
}
else if (wanted != target_architecture)
{
warning ("%s architecture file may be incompatible with %s target.",
wanted->printable_name,
target_architecture->printable_name);
}
}
/* Functions to manipulate command line editing control variables. */
/* Number of commands to print in each call to show_commands. */
@@ -3461,6 +3571,14 @@ init_main ()
add_cmd ("endian", class_support, show_endian,
"Show endianness of target.", &showlist);
add_cmd ("architecture", class_support, set_architecture,
"Set architecture of target.", &setlist);
add_cmd ("architecture", class_support, show_architecture,
"Show architecture of target.", &showlist);
add_cmd ("architecture", class_support, info_architecture,
"List supported target architectures", &infolist);
#ifdef DEFAULT_PROMPT
prompt = savestring (DEFAULT_PROMPT, strlen(DEFAULT_PROMPT));
#else