diff options
Diffstat (limited to 'gdb/top.c')
| -rw-r--r-- | gdb/top.c | 118 |
1 files changed, 118 insertions, 0 deletions
@@ -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 |