diff options
Diffstat (limited to 'gdb/infrun.c')
| -rw-r--r-- | gdb/infrun.c | 45 |
1 files changed, 35 insertions, 10 deletions
diff --git a/gdb/infrun.c b/gdb/infrun.c index 8a01acf..de2ad56 100644 --- a/gdb/infrun.c +++ b/gdb/infrun.c @@ -109,7 +109,7 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ #include "breakpoint.h" #include "wait.h" #include "gdbcore.h" -#include "command.h" +#include "gdbcmd.h" #include "target.h" #include <signal.h> @@ -144,6 +144,9 @@ insert_step_breakpoint PARAMS ((void)); static void resume_cleanups PARAMS ((int)); +static int +hook_stop_stub PARAMS ((char *)); + /* Sigtramp is a routine that the kernel calls (which then calls the signal handler). On most machines it is a library routine that is linked into the executable. @@ -182,12 +185,6 @@ resume_cleanups PARAMS ((int)); #define IN_SOLIB_TRAMPOLINE(pc,name) 0 #endif -/* Notify other parts of gdb that might care that signal handling may - have changed for one or more signals. */ -#ifndef NOTICE_SIGNAL_HANDLING_CHANGE -#define NOTICE_SIGNAL_HANDLING_CHANGE /* No actions */ -#endif - #ifdef TDESC #include "tdesc.h" int safe_to_init_tdesc_context = 0; @@ -216,10 +213,14 @@ static unsigned char *signal_program; (flags)[signum] = 0; \ } while (0) + +/* Command list pointer for the "stop" placeholder. */ + +static struct cmd_list_element *stop_command; + /* Nonzero if breakpoints are now inserted in the inferior. */ -/* Nonstatic for initialization during xxx_create_inferior. FIXME. */ -/*static*/ int breakpoints_inserted; +static int breakpoints_inserted; /* Function inferior was in as of last step command. */ @@ -1196,6 +1197,9 @@ save_pc: void normal_stop () { + char *tem; + struct cmd_list_element *c; + /* Make sure that the current_frame's pc is correct. This is a correction for setting up the frame info before doing DECR_PC_AFTER_BREAK */ @@ -1240,6 +1244,14 @@ Further execution is probably impossible.\n"); target_terminal_ours (); + /* Look up the hook_stop and run it if it exists. */ + + if (stop_command->hook) + { + catch_errors (hook_stop_stub, (char *)stop_command->hook, + "Error while running hook_stop:\n"); + } + if (!target_has_stack) return; @@ -1282,6 +1294,14 @@ Further execution is probably impossible.\n"); select_frame (get_current_frame (), 0); } } + +static int +hook_stop_stub (cmd) + char *cmd; +{ + execute_user_command ((struct cmd_list_element *)cmd, 0); +} + static void insert_step_breakpoint () @@ -1492,7 +1512,7 @@ handle_command (args, from_tty) argv++; } - NOTICE_SIGNAL_HANDLING_CHANGE; + target_notice_signals(); if (from_tty) { @@ -1674,6 +1694,11 @@ Pass means let program see this signal; otherwise program doesn't know.\n\ Ignore is a synonym for nopass and noignore is a synonym for pass.\n\ Pass and Stop may be combined."); + stop_command = add_cmd ("stop", class_pseudo, NO_FUNCTION, + "There is no `stop' command, but you can set a hook on `stop'.\n\ +This allows you to set a list of commands to be run each time execution\n\ +of the inferior program stops.", &cmdlist); + numsigs = signo_max () + 1; signal_stop = (unsigned char *) xmalloc (sizeof (signal_stop[0]) * numsigs); |