Implement -break-commands
* breakpoint.c (get_breakpoint, breakpoint_set_commands): New. (commands_command): Use breakpoint_set_commands. * breakpoint.h (get_breakpoint, breakpoint_set_commands): Declare. * mi/mi-cmds.h (mi_cmd_break_commands): New. * mi/mi-cmds.c: Register -break-commands. * mi/mi-cmd-break.c (mi_cmd_break_commands, mi_read_next_line) (mi_command_line_array, mi_command_line_array_cnt) (mi_command_line_array_ptr): New.
This commit is contained in:
Vladimir Prus
parent
3c1179ff51
commit
48cb2d8581
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@ -1,3 +1,18 @@
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2009-08-03 Jim Ingham <jingham@apple.com>
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Vladimir Prus <vladimir@codesourcery.com>
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Implement -break-commands
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* breakpoint.c (get_breakpoint, breakpoint_set_commands): New.
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(commands_command): Use breakpoint_set_commands.
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* breakpoint.h (get_breakpoint, breakpoint_set_commands): Declare.
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* mi/mi-cmds.h (mi_cmd_break_commands): New.
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* mi/mi-cmds.c: Register -break-commands.
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* mi/mi-cmd-break.c (mi_cmd_break_commands, mi_read_next_line)
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(mi_command_line_array, mi_command_line_array_cnt)
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(mi_command_line_array_ptr): New.
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2009-08-03 Jim Ingham <jingham@apple.com>
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Vladimir Prus <vladimir@codesourcery.com>
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@ -562,6 +562,20 @@ get_number_or_range (char **pp)
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return last_retval;
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}
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/* Return the breakpoint with the specified number, or NULL
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if the number does not refer to an existing breakpoint. */
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struct breakpoint *
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get_breakpoint (int num)
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{
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struct breakpoint *b;
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ALL_BREAKPOINTS (b)
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if (b->number == num)
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return b;
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return NULL;
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}
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/* condition N EXP -- set break condition of breakpoint N to EXP. */
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@ -626,6 +640,17 @@ condition_command (char *arg, int from_tty)
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error (_("No breakpoint number %d."), bnum);
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}
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/* Set the command list of B to COMMANDS. */
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void
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breakpoint_set_commands (struct breakpoint *b, struct command_line *commands)
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{
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free_command_lines (&b->commands);
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b->commands = commands;
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breakpoints_changed ();
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observer_notify_breakpoint_modified (b->number);
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}
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static void
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commands_command (char *arg, int from_tty)
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{
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@ -655,10 +680,7 @@ commands_command (char *arg, int from_tty)
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struct cleanup *cleanups = make_cleanup (xfree, tmpbuf);
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l = read_command_lines (tmpbuf, from_tty, 1);
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do_cleanups (cleanups);
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free_command_lines (&b->commands);
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b->commands = l;
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breakpoints_changed ();
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observer_notify_breakpoint_modified (b->number);
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breakpoint_set_commands (b, l);
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return;
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}
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error (_("No breakpoint number %d."), bnum);
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@ -840,6 +840,8 @@ extern int get_number (char **);
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extern int get_number_or_range (char **);
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extern struct breakpoint *get_breakpoint (int num);
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/* The following are for displays, which aren't really breakpoints, but
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here is as good a place as any for them. */
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@ -855,6 +857,9 @@ extern void disable_breakpoint (struct breakpoint *);
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extern void enable_breakpoint (struct breakpoint *);
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extern void breakpoint_set_commands (struct breakpoint *b,
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struct command_line *commands);
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/* Clear the "inserted" flag in all breakpoints. */
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extern void mark_breakpoints_out (void);
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@ -1,3 +1,8 @@
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2009-08-03 Vladimir Prus <vladimir@codesourcery.com>
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* gdb.texinfo (GDB/MI Breakpoint Commands): Document
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-break-commands.
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2009-07-31 Ulrich Weigand <uweigand@de.ibm.com>
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* gdb.texinfo (Cell Broadband Engine SPU architecture): Document the
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@ -21492,11 +21492,41 @@ line="5",times="0",ignore="3"@}]@}
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@ignore
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@subheading The @code{-break-catch} Command
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@findex -break-catch
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@end ignore
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@subheading The @code{-break-commands} Command
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@findex -break-commands
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@end ignore
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@subsubheading Synopsis
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@smallexample
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-break-commands @var{number} [ @var{command1} ... @var{commandN} ]
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@end smallexample
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Specifies the CLI commands that should be executed when breakpoint
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@var{number} is hit. The parameters @var{command1} to @var{commandN}
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are the commands. If no command is specified, any previously-set
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commands are cleared. @xref{Break Commands}. Typical use of this
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functionality is tracing a program, that is, printing of values of
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some variables whenever breakpoint is hit and then continuing.
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@subsubheading @value{GDBN} Command
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The corresponding @value{GDBN} command is @samp{commands}.
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@subsubheading Example
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@smallexample
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(gdb)
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-break-insert main
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^done,bkpt=@{number="1",type="breakpoint",disp="keep",
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enabled="y",addr="0x000100d0",func="main",file="hello.c",
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fullname="/home/foo/hello.c",line="5",times="0"@}
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(gdb)
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-break-commands 1 "print v" "continue"
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^done
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(gdb)
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@end smallexample
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@subheading The @code{-break-condition} Command
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@findex -break-condition
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@ -252,3 +252,53 @@ mi_cmd_break_watch (char *command, char **argv, int argc)
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error (_("mi_cmd_break_watch: Unknown watchpoint type."));
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}
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}
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/* The mi_read_next_line consults these variable to return successive
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command lines. While it would be clearer to use a closure pointer,
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it is not expected that any future code will use read_command_lines_1,
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therefore no point of overengineering. */
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static char **mi_command_line_array;
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static int mi_command_line_array_cnt;
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static int mi_command_line_array_ptr;
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static char *
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mi_read_next_line ()
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{
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if (mi_command_line_array_ptr == mi_command_line_array_cnt)
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return NULL;
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else
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return mi_command_line_array[mi_command_line_array_ptr++];
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}
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void
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mi_cmd_break_commands (char *command, char **argv, int argc)
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{
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struct command_line *break_command;
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char *endptr;
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int bnum;
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struct breakpoint *b;
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if (argc < 1)
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error ("USAGE: %s <BKPT> [<COMMAND> [<COMMAND>...]]", command);
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bnum = strtol (argv[0], &endptr, 0);
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if (endptr == argv[0])
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error ("breakpoint number argument \"%s\" is not a number.",
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argv[0]);
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else if (*endptr != '\0')
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error ("junk at the end of breakpoint number argument \"%s\".",
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argv[0]);
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b = get_breakpoint (bnum);
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if (b == NULL)
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error ("breakpoint %d not found.", bnum);
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mi_command_line_array = argv;
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mi_command_line_array_ptr = 1;
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mi_command_line_array_cnt = argc;
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break_command = read_command_lines_1 (mi_read_next_line, 0);
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breakpoint_set_commands (b, break_command);
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}
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@ -35,6 +35,7 @@ struct mi_cmd mi_cmds[] =
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{
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{ "break-after", { "ignore", 1 }, NULL },
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{ "break-condition", { "cond", 1 }, NULL },
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{ "break-commands", { NULL, 0 }, mi_cmd_break_commands },
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{ "break-delete", { "delete breakpoint", 1 }, NULL },
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{ "break-disable", { "disable breakpoint", 1 }, NULL },
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{ "break-enable", { "enable breakpoint", 1 }, NULL },
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@ -37,6 +37,7 @@ typedef void (mi_cmd_argv_ftype) (char *command, char **argv, int argc);
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/* Function implementing each command */
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extern mi_cmd_argv_ftype mi_cmd_break_insert;
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extern mi_cmd_argv_ftype mi_cmd_break_commands;
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extern mi_cmd_argv_ftype mi_cmd_break_watch;
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extern mi_cmd_argv_ftype mi_cmd_disassemble;
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extern mi_cmd_argv_ftype mi_cmd_data_evaluate_expression;
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@ -1,3 +1,9 @@
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2009-08-03 Vladimir Prus <vladimir@codesourcery.com>
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* lib/mi-support.exp (mi_list_breakpoints): Make it work.
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* gdb.mi/mi-break.exp (test_breakpoint_commands): New.
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Call it.
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2009-07-31 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
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* configure.ac: Run gdb.cell tests when appropriate.
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@ -197,6 +197,30 @@ proc test_disabled_creation {} {
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"test disabled creation: cleanup"
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}
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proc test_breakpoint_commands {} {
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global line_callee2_body
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global hex
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global fullname
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mi_create_breakpoint "basics.c:callee2" 7 keep callee2 ".*basics.c" $line_callee2_body $hex \
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"breakpoint commands: insert breakpoint at basics.c:callee2"
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mi_gdb_test "-break-commands 7 \"print 10\" \"continue\"" \
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"\\^done" \
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"breakpoint commands: set commands"
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mi_gdb_test "-break-info 7" \
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"\\^done,BreakpointTable=\{nr_rows=\".\",nr_cols=\".\",hdr=\\\[\{width=\".*\",alignment=\".*\",col_name=\"number\",colhdr=\"Num\"\}.*colhdr=\"Type\".*colhdr=\"Disp\".*colhdr=\"Enb\".*colhdr=\"Address\".*colhdr=\"What\".*\\\],body=\\\[bkpt=\{number=\"7\",type=\"breakpoint\",disp=\"keep\",enabled=\"y\",addr=\"$hex\",func=\"callee2\",file=\".*basics.c\",${fullname},line=\"$line_callee2_body\",times=\"0\",script=\{\"print 10\",\"continue\"\},original-location=\".*\"\}.*\\\]\}" \
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"breakpoint commands: check that commands are set"
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mi_gdb_test "-break-commands 7" \
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"\\^done" \
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"breakpoint commands: clear commands"
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mi_list_breakpoints [list [list 7 "keep" "callee2" "basics.c" "$line_callee2_body" $hex]] \
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"breakpoint commands: check that commands are cleared"
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}
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test_tbreak_creation_and_listing
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test_rbreak_creation_and_listing
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@ -206,5 +230,7 @@ test_error
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test_disabled_creation
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test_breakpoint_commands
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mi_gdb_exit
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return 0
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@ -1170,21 +1170,22 @@ proc mi_list_breakpoints { expected test } {
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set body ""
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set first 1
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foreach item $children {
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foreach item $expected {
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if {$first == 0} {
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set body "$body,"
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set first 0
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}
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set number disp func file line address
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set number [lindex $item 0]
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set disp [lindex $item 1]
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set func [lindex $item 2]
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set line [lindex $item 3]
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set address [lindex $item 4]
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set body "$body,bkpt=\{number=\"$number\",type=\"breakpoint\",disp=\"$disp\",enabled=\"y\",addr=\"$address\",func=\"$func\",file=\"$file\",${fullname},line=\"$line\",times=\"0\",original-location=\".*\"\}"
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set file [lindex $item 3]
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set line [lindex $item 4]
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set address [lindex $item 5]
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set body "${body}bkpt=\{number=\"$number\",type=\"breakpoint\",disp=\"$disp\",enabled=\"y\",addr=\"$address\",func=\"$func\",file=\".*$file\",${fullname},line=\"$line\",times=\"0\",original-location=\".*\"\}"
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set first 0
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}
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verbose -log "Expecint: 666\\\^done,BreakpointTable=\{nr_rows=\".\",nr_cols=\".\",hdr=\\\[\{width=\".*\",alignment=\".*\",col_name=\"number\",colhdr=\"Num\"\}.*colhdr=\"Type\".*colhdr=\"Disp\".*colhdr=\"Enb\".*colhdr=\"Address\".*colhdr=\"What\".*\\\],body=\\\[$body\\\]\}" \
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verbose -log "Expecting: 666\\\^done,BreakpointTable=\{nr_rows=\".\",nr_cols=\".\",hdr=\\\[\{width=\".*\",alignment=\".*\",col_name=\"number\",colhdr=\"Num\"\}.*colhdr=\"Type\".*colhdr=\"Disp\".*colhdr=\"Enb\".*colhdr=\"Address\".*colhdr=\"What\".*\\\],body=\\\[$body\\\]\}"
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mi_gdb_test "666-break-list" \
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"666\\\^done,BreakpointTable=\{nr_rows=\".\",nr_cols=\".\",hdr=\\\[\{width=\".*\",alignment=\".*\",col_name=\"number\",colhdr=\"Num\"\}.*colhdr=\"Type\".*colhdr=\"Disp\".*colhdr=\"Enb\".*colhdr=\"Address\".*colhdr=\"What\".*\\\],body=\\\[$body\\\]\}" \
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$test
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