diff options
Diffstat (limited to 'gdb/top.c')
-rw-r--r-- | gdb/top.c | 66 |
1 files changed, 57 insertions, 9 deletions
@@ -1500,9 +1500,13 @@ extern void serial_log_command (const char *); *(p + 1) = '\0'; } - /* If this command has been hooked, run the hook first. */ - if (c->hook) - execute_user_command (c->hook, (char *) 0); + /* If this command has been pre-hooked, run the hook first. */ + if ((c->hook_pre) && (!c->hook_in)) + { + c->hook_in = 1; /* Prevent recursive hooking */ + execute_user_command (c->hook_pre, (char *) 0); + c->hook_in = 0; /* Allow hook to work again once it is complete */ + } if (c->flags & DEPRECATED_WARN_USER) deprecated_cmd_warning (&line); @@ -1517,6 +1521,15 @@ extern void serial_log_command (const char *); call_command_hook (c, arg, from_tty & caution); else (*c->function.cfunc) (arg, from_tty & caution); + + /* If this command has been post-hooked, run the hook last. */ + if ((c->hook_post) && (!c->hook_in)) + { + c->hook_in = 1; /* Prevent recursive hooking */ + execute_user_command (c->hook_post, (char *) 0); + c->hook_in = 0; /* allow hook to work again once it is complete */ + } + } /* Tell the user if the language has changed (except first time). */ @@ -2988,12 +3001,25 @@ user_defined_command (char *ignore, int from_tty) static void define_command (char *comname, int from_tty) { +#define MAX_TMPBUF 128 + enum cmd_hook_type + { + CMD_NO_HOOK = 0, + CMD_PRE_HOOK, + CMD_POST_HOOK + }; register struct command_line *cmds; - register struct cmd_list_element *c, *newc, *hookc = 0; + register struct cmd_list_element *c, *newc, *oldc, *hookc = 0; char *tem = comname; - char tmpbuf[128]; + char *tem2; + char tmpbuf[MAX_TMPBUF]; + int hook_type = CMD_NO_HOOK; + int hook_name_size = 0; + #define HOOK_STRING "hook-" #define HOOK_LEN 5 +#define HOOK_POST_STRING "hookpost-" +#define HOOK_POST_LEN 9 validate_comname (comname); @@ -3018,10 +3044,21 @@ define_command (char *comname, int from_tty) if (!strncmp (comname, HOOK_STRING, HOOK_LEN)) { + hook_type = CMD_PRE_HOOK; + hook_name_size = HOOK_LEN; + } + else if (!strncmp (comname, HOOK_POST_STRING, HOOK_POST_LEN)) + { + hook_type = CMD_POST_HOOK; + hook_name_size = HOOK_POST_LEN; + } + + if (hook_type != CMD_NO_HOOK) + { /* Look up cmd it hooks, and verify that we got an exact match. */ - tem = comname + HOOK_LEN; + tem = comname + hook_name_size; hookc = lookup_cmd (&tem, cmdlist, "", -1, 0); - if (hookc && !STREQ (comname + HOOK_LEN, hookc->name)) + if (hookc && !STREQ (comname + hook_name_size, hookc->name)) hookc = 0; if (!hookc) { @@ -3055,8 +3092,19 @@ define_command (char *comname, int from_tty) tied. */ if (hookc) { - hookc->hook = newc; /* Target gets hooked. */ - newc->hookee = hookc; /* We are marked as hooking target cmd. */ + switch (hook_type) + { + case CMD_PRE_HOOK: + hookc->hook_pre = newc; /* Target gets hooked. */ + newc->hookee_pre = hookc; /* We are marked as hooking target cmd. */ + break; + case CMD_POST_HOOK: + hookc->hook_pre = newc; /* Target gets hooked. */ + newc->hookee_pre = hookc; /* We are marked as hooking target cmd. */ + break; + default: + /* Should never come here as hookc would be 0. */ + } } } |