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[/] [openrisc/] [tags/] [gdb/] [gdb-6.8/] [gdb-6.8.openrisc-2.1/] [gdb/] [gdb-events.sh] - Rev 348
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#!/bin/sh # User Interface Events. # # Copyright (C) 1999, 2000, 2001, 2002, 2004, 2005, 2007, 2008 # Free Software Foundation, Inc. # # Contributed by Cygnus Solutions. # # This file is part of GDB. # # This program is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation; either version 3 of the License, or # (at your option) any later version. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program. If not, see <http://www.gnu.org/licenses/>. IFS=: read="class returntype function formal actual attrib" function_list () { # category: # # -> disable # * -> compatibility - pointer variable that is initialized # by set_gdb_events(). # ? -> Predicate and function proper. # f -> always call (must have a void returntype) # return-type # name # formal argument list # actual argument list # attributes # description cat <<EOF | f:void:breakpoint_create:int b:b f:void:breakpoint_delete:int b:b f:void:breakpoint_modify:int b:b f:void:tracepoint_create:int number:number f:void:tracepoint_delete:int number:number f:void:tracepoint_modify:int number:number f:void:architecture_changed:void EOF grep -v '^#' } copyright () { cat <<EOF /* User Interface Events. Copyright (C) 1999, 2001, 2002, 2004, 2005, 2007 Free Software Foundation, Inc. Contributed by Cygnus Solutions. This file is part of GDB. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see <http://www.gnu.org/licenses/>. */ /* Work in progress */ /* This file was created with the aid of \`\`gdb-events.sh''. The bourn shell script \`\`gdb-events.sh'' creates the files \`\`new-gdb-events.c'' and \`\`new-gdb-events.h and then compares them against the existing \`\`gdb-events.[hc]''. Any differences found being reported. If editing this file, please also run gdb-events.sh and merge any changes into that script. Conversely, when making sweeping changes to this file, modifying gdb-events.sh and using its output may prove easier. */ EOF } # # The .h file # exec > new-gdb-events.h copyright cat <<EOF #ifndef GDB_EVENTS_H #define GDB_EVENTS_H EOF # pointer declarations echo "" echo "" cat <<EOF /* COMPAT: pointer variables for old, unconverted events. A call to set_gdb_events() will automatically update these. */ EOF echo "" function_list | while eval read $read do case "${class}" in "*" ) echo "extern ${returntype} (*${function}_event) (${formal})${attrib};" ;; esac done # function typedef's echo "" echo "" cat <<EOF /* Type definition of all hook functions. Recommended pratice is to first declare each hook function using the below ftype and then define it. */ EOF echo "" function_list | while eval read $read do echo "typedef ${returntype} (gdb_events_${function}_ftype) (${formal});" done # gdb_events object echo "" echo "" cat <<EOF /* gdb-events: object. */ EOF echo "" echo "struct gdb_events" echo " {" function_list | while eval read $read do echo " gdb_events_${function}_ftype *${function}${attrib};" done echo " };" # function declarations echo "" echo "" cat <<EOF /* Interface into events functions. Where a *_p() predicate is present, it must be called before calling the hook proper. */ EOF function_list | while eval read $read do case "${class}" in "*" ) continue ;; "?" ) echo "extern int ${function}_p (void);" echo "extern ${returntype} ${function}_event (${formal})${attrib};" ;; "f" ) echo "extern ${returntype} ${function}_event (${formal})${attrib};" ;; esac done # our set function cat <<EOF /* Install custom gdb-events hooks. */ extern struct gdb_events *deprecated_set_gdb_event_hooks (struct gdb_events *vector); /* Deliver any pending events. */ extern void gdb_events_deliver (struct gdb_events *vector); /* Clear event handlers. */ extern void clear_gdb_event_hooks (void); EOF # close it off echo "" echo "#endif" exec 1>&2 #../move-if-change new-gdb-events.h gdb-events.h if test -r gdb-events.h then diff -c gdb-events.h new-gdb-events.h if [ $? = 1 ] then echo "gdb-events.h changed? cp new-gdb-events.h gdb-events.h" 1>&2 fi else echo "File missing? mv new-gdb-events.h gdb-events.h" 1>&2 fi # # C file # exec > new-gdb-events.c copyright cat <<EOF #include "defs.h" #include "gdb-events.h" #include "gdbcmd.h" static struct gdb_events null_event_hooks; static struct gdb_events queue_event_hooks; static struct gdb_events *current_event_hooks = &null_event_hooks; int gdb_events_debug; static void show_gdb_events_debug (struct ui_file *file, int from_tty, struct cmd_list_element *c, const char *value) { fprintf_filtered (file, _("Event debugging is %s.\\n"), value); } EOF # function bodies function_list | while eval read $read do case "${class}" in "*" ) continue ;; "?" ) cat <<EOF int ${function}_event_p (${formal}) { return current_event_hooks->${function}; } ${returntype} ${function}_event (${formal}) { return current_events->${function} (${actual}); } EOF ;; "f" ) cat <<EOF void ${function}_event (${formal}) { if (gdb_events_debug) fprintf_unfiltered (gdb_stdlog, "${function}_event\n"); if (!current_event_hooks->${function}) return; current_event_hooks->${function} (${actual}); } EOF ;; esac done # Set hooks function echo "" cat <<EOF struct gdb_events * deprecated_set_gdb_event_hooks (struct gdb_events *vector) { struct gdb_events *old_events = current_event_hooks; if (vector == NULL) current_event_hooks = &queue_event_hooks; else current_event_hooks = vector; return old_events; EOF function_list | while eval read $read do case "${class}" in "*" ) echo " ${function}_event = hooks->${function};" ;; esac done cat <<EOF } EOF # Clear hooks function echo "" cat <<EOF void clear_gdb_event_hooks (void) { deprecated_set_gdb_event_hooks (&null_event_hooks); } EOF # event type echo "" cat <<EOF enum gdb_event { EOF function_list | while eval read $read do case "${class}" in "f" ) echo " ${function}," ;; esac done cat <<EOF nr_gdb_events }; EOF # event data echo "" function_list | while eval read $read do case "${class}" in "f" ) if test ${actual} then echo "struct ${function}" echo " {" echo " `echo ${formal} | tr '[,]' '[;]'`;" echo " };" echo "" fi ;; esac done # event queue cat <<EOF struct event { enum gdb_event type; struct event *next; union { EOF function_list | while eval read $read do case "${class}" in "f" ) if test ${actual} then echo " struct ${function} ${function};" fi ;; esac done cat <<EOF } data; }; struct event *pending_events; struct event *delivering_events; EOF # append echo "" cat <<EOF static void append (struct event *new_event) { struct event **event = &pending_events; while ((*event) != NULL) event = &((*event)->next); (*event) = new_event; (*event)->next = NULL; } EOF # schedule a given event function_list | while eval read $read do case "${class}" in "f" ) echo "" echo "static void" echo "queue_${function} (${formal})" echo "{" echo " struct event *event = XMALLOC (struct event);" echo " event->type = ${function};" for arg in `echo ${actual} | tr '[,]' '[:]' | tr -d '[ ]'`; do echo " event->data.${function}.${arg} = ${arg};" done echo " append (event);" echo "}" ;; esac done # deliver echo "" cat <<EOF void gdb_events_deliver (struct gdb_events *vector) { /* Just zap any events left around from last time. */ while (delivering_events != NULL) { struct event *event = delivering_events; delivering_events = event->next; xfree (event); } /* Process any pending events. Because one of the deliveries could bail out we move everything off of the pending queue onto an in-progress queue where it can, later, be cleaned up if necessary. */ delivering_events = pending_events; pending_events = NULL; while (delivering_events != NULL) { struct event *event = delivering_events; switch (event->type) { EOF function_list | while eval read $read do case "${class}" in "f" ) echo " case ${function}:" if test ${actual} then echo " vector->${function}" sep=" (" ass="" for arg in `echo ${actual} | tr '[,]' '[:]' | tr -d '[ ]'`; do ass="${ass}${sep}event->data.${function}.${arg}" sep=", " done echo "${ass});" else echo " vector->${function} ();" fi echo " break;" ;; esac done cat <<EOF } delivering_events = event->next; xfree (event); } } EOF # Finally the initialization echo "" cat <<EOF void _initialize_gdb_events (void); void _initialize_gdb_events (void) { struct cmd_list_element *c; EOF function_list | while eval read $read do case "${class}" in "f" ) echo " queue_event_hooks.${function} = queue_${function};" ;; esac done cat <<EOF add_setshow_zinteger_cmd ("event", class_maintenance, &gdb_events_debug, _("\\ Set event debugging."), _("\\ Show event debugging."), _("\\ When non-zero, event/notify debugging is enabled."), NULL, show_gdb_events_debug, &setdebuglist, &showdebuglist); } EOF # close things off exec 1>&2 #../move-if-change new-gdb-events.c gdb-events.c # Replace any leading spaces with tabs sed < new-gdb-events.c > tmp-gdb-events.c \ -e 's/\( \)* /\1 /g' mv tmp-gdb-events.c new-gdb-events.c # Move if changed? if test -r gdb-events.c then diff -c gdb-events.c new-gdb-events.c if [ $? = 1 ] then echo "gdb-events.c changed? cp new-gdb-events.c gdb-events.c" 1>&2 fi else echo "File missing? mv new-gdb-events.c gdb-events.c" 1>&2 fi
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