commands.exp

这个是LINUX下的GDB调度工具的源码

    set wp_id -1

    send_gdb "watch local_var\n"
    gdb_expect {
        -re ".*\[Ww\]atchpoint (\[0-9\]*): local_var.*$gdb_prompt $" {
            set wp_id $expect_out(1,string)
            pass "watch local_var"
        }
        -re "$gdb_prompt $"\
            {fail "watch local_var"}
        timeout {fail "(timeout) watch local_var"}
    }

    if {$wp_id == -1} {return}

    send_gdb "commands $wp_id\n"
    gdb_expect {
      -re "Type commands for when breakpoint $wp_id is hit, one per line.*>" {
	  pass "begin commands on watch"
      }
      -re "$gdb_prompt $" {fail "begin commands on watch"}
      timeout             {fail "(timeout) begin commands on watch"}
    }
    send_gdb "print value\n"
    gdb_expect {
	-re ">"               {pass "add print command to watch"}
	-re "$gdb_prompt $"   {fail "add print command to watch"}
	timeout               {fail "(timeout) add print command to watch"}
    }
    send_gdb "continue\n"
    gdb_expect {
	-re ">"               {pass "add continue command to watch"}
	-re "$gdb_prompt $"   {fail "add continue command to watch"}
	timeout               {fail "(timeout) add continue command to watch"}
    }
    send_gdb "end\n"
    gdb_expect {
	-re "$gdb_prompt $"   {pass "end commands on watch"}
	timeout               {fail "(timeout) end commands on watch"}
    }
    send_gdb "continue\n"
    gdb_expect {
	-re "Continuing.*\[Ww\]atchpoint $wp_id deleted because the program has left the block in.*which its expression is valid.*run.c:57.*$gdb_prompt $" {
	    pass "continue with watch"
	}
	-re "$gdb_prompt $"   {fail "continue with watch"}
	timeout               {fail "(timeout) continue with watch"}
    }
}

proc test_command_prompt_position {} {
    global gdb_prompt

    if [target_info exists noargs] { 
        verbose "Skipping test_command_prompt_position because of noargs."
        return
    }

    if { ![runto factorial] } then { gdb_suppress_tests; }
    # Don't depend upon argument passing, since most simulators don't
    # currently support it.  Bash value variable to be what we want.
    delete_breakpoints
    gdb_test "break factorial" "Breakpoint.*at.*" "break factorial #3"
    gdb_test "p value=5" "" "set value to 5 in test_command_prompt_position"
    # All this test should do is print 0xdeadbeef once.
    gdb_test "if value == 1\np/x 0xfeedface\nelse\np/x 0xdeadbeef\nend" \
	    "\\\$\[0-9\]* = 0xdeadbeef" \
	    "if test in test_command_prompt_position"
    
    # Now let's test for the correct position of the '>' in gdb's
    # prompt for commands.  It should be at the beginning of the line,
    # and not after one space.

    send_gdb "commands\n"
    gdb_expect {
	-re "Type commands.*End with.*\[\r\n\]>$" { 
	    send_gdb "printf \"Now the value is %d\\n\", value\n"
	    gdb_expect {
		-re "^printf.*value\r\n>$" {
		    send_gdb "end\n"
		    gdb_expect {
			-re "^end\r\n$gdb_prompt $" { 
			    pass "> OK in test_command_prompt_position" 
			}
			-re ".*$gdb_prompt $" { 
			    fail "some other message in test_command_prompt_position" 
			}
			timeout  { 
			    fail "(timeout) 1 in test_command_prompt_position"
			}
		    }
		}
		-re "^ >$" { fail "> not OK in test_command_prompt_position" }
		-re ".*$gdb_prompt $"   { 
		    fail "wrong message in test_command_prompt_position" 
		}
		timeout    { 
		    fail "(timeout) 2 in test_command_prompt_position " 
		}
	    }
	}
	-re "Type commands.*End with.*\[\r\n\] >$" { 
	    fail "prompt not OK in test_command_prompt_position" 
	}
	-re ".*$gdb_prompt $" { 
	    fail "commands in test_command_prompt_position" 
	}
	timeout { fail "(timeout) 3 commands in test_command_prompt_position" }
    }

    gdb_stop_suppressing_tests;
}



proc deprecated_command_test {} {
    gdb_test "maintenance deprecate blah" "Can't find command.*" \
          "tried to deprecate non-existing command"

    gdb_test "maintenance deprecate p \"new_p\"" "" "maintenance deprecate p \"new_p\" /1/"
    gdb_test "p 5" \
	    "Warning: 'p', an alias for the command 'print' is deprecated.*Use 'new_p'.*" \
	    "p deprecated warning, with replacement"
    gdb_test "p 5" ".\[0-9\]* = 5.*" "Deprecated warning goes away /1/"

    gdb_test "maintenance deprecate p \"new_p\"" "" "maintenance deprecate p \"new_p\" /2/"
    gdb_test "maintenance deprecate print \"new_print\"" ""
    gdb_test "p 5" \
	    "Warning: command 'print' \\(p\\) is deprecated.*Use 'new_print'.*" \
	    "both alias and command are deprecated"
    gdb_test "p 5" ".\[0-9\]* = 5.*" "Deprecated warning goes away /2/"

    gdb_test "maintenance deprecate set remote memory-read-packet-size \"srm\" " \
	    "" \
	    "deprecate long command /1/"
    gdb_test "set remote memory-read-packet-size" \
	    "Warning: command 'set remote memory-read-packet-size' is deprecated.*Use 'srm'.*" \
	    "long command deprecated /1/"

    gdb_test "maintenance deprecate set remote memory-read-packet-size" \
	    "" \
	    "deprecate long command /2/"
    gdb_test "set remote memory-read-packet-size" \
	    "Warning: command 'set remote memory-read-packet-size' is deprecated.*No alternative known.*" \
	    "long command deprecated with no alternative /2/"

    gdb_test "maintenance deprecate" \
	    "\"maintenance deprecate\".*" \
	    "deprecate with no arguments"
}

proc bp_deleted_in_command_test {} {
    global gdb_prompt
    
    if [target_info exists noargs] { 
        verbose "Skipping bp_deleted_in_command_test because of noargs."
        return
    }

    gdb_test "set args 1" "" "set args in bp_deleted_in_command_test"
    delete_breakpoints

    # Create a breakpoint, and associate a command-list to it, with
    # one command that deletes this breakpoint.
    gdb_test "break factorial" \
             "Breakpoint \[0-9\]+ at .*: file .*/run.c, line \[0-9\]+\." \
             "breakpoint in bp_deleted_in_command_test"
    
    send_gdb "commands\n"
    gdb_expect {
      -re "Type commands for when breakpoint .* is hit, one per line.*>" {
          pass "begin commands in bp_deleted_in_command_test"
      }
      -re "$gdb_prompt $" {fail "begin commands in bp_deleted_in_command_test"}
      timeout             {fail "(timeout) begin commands bp_deleted_in_command_test"}
    }
    send_gdb "silent\n"
    gdb_expect {
        -re ">"               {pass "add silent command"}
        -re "$gdb_prompt $"   {fail "add silent command"}
        timeout               {fail "(timeout) add silent command"}
    }
    send_gdb "clear factorial\n"
    gdb_expect {
        -re ">"               {pass "add clear command"}
        -re "$gdb_prompt $"   {fail "add clear command"}
        timeout               {fail "(timeout) add clear command"} }
    send_gdb "printf \"factorial command-list executed\\n\"\n"
    gdb_expect {
        -re ">"               {pass "add printf command"}
        -re "$gdb_prompt $"   {fail "add printf command"}
        timeout               {fail "(timeout) add printf command"}
    }
    send_gdb "cont\n"
    gdb_expect {
        -re ">"               {pass "add cont command"}
        -re "$gdb_prompt $"   {fail "add cont command"}
        timeout               {fail "(timeout) add cont command"} }
    send_gdb "end\n"
    gdb_expect {
        -re "$gdb_prompt $"   {pass "end commands"}
        timeout               {fail "(timeout) end commands"}
    }

    gdb_run_cmd
    gdb_expect {
        -re ".*factorial command-list executed.*1.*$gdb_prompt $" {
	    pass "run factorial until breakpoint"
        }
	-re ".*$gdb_prompt $" {
	    fail "run factorial until breakpoint"
	}
	default { fail "(timeout) run factorial until breakpoint" }
	timeout { fail "(timeout) run factorial until breakpoint" }
    }
}

proc temporary_breakpoint_commands {} {
    global gdb_prompt
    
    if [target_info exists noargs] { 
        verbose "Skipping temporary_breakpoint_commands because of noargs."
        return
    }

    gdb_test "set args 1" "" "set args in temporary_breakpoint_commands"
    delete_breakpoints

    # Create a temporary breakpoint, and associate a commands list to it.
    # This test will verify that this commands list is executed when the
    # breakpoint is hit.
    gdb_test "tbreak factorial" \
	    "Breakpoint \[0-9\]+ at .*: file .*/run.c, line \[0-9\]+\." \
	    "breakpoint in temporary_breakpoint_commands"
    
    send_gdb "commands\n"
    gdb_expect {
	-re "Type commands for when breakpoint .* is hit, one per line.*>" {
	    pass "begin commands in bp_deleted_in_command_test"
	}
	-re "$gdb_prompt $" {fail "begin commands in bp_deleted_in_command_test"}
	timeout             {fail "(timeout) begin commands bp_deleted_in_command_test"}
    }
    send_gdb "silent\n"
    gdb_expect {
	-re ">"               {pass "add silent tbreak command"}
	-re "$gdb_prompt $"   {fail "add silent tbreak command"}
	timeout               {fail "(timeout) add silent tbreak command"}
     }
    send_gdb "printf \"factorial tbreak commands executed\\n\"\n"
    gdb_expect {
	-re ">"               {pass "add printf tbreak command"}
	-re "$gdb_prompt $"   {fail "add printf tbreak command"}
	timeout               {fail "(timeout) add printf tbreak command"}
     }
    send_gdb "cont\n"
    gdb_expect {
	-re ">"               {pass "add cont tbreak command"}
	-re "$gdb_prompt $"   {fail "add cont tbreak command"}
	timeout               {fail "(timeout) add cont tbreak command"} }
    send_gdb "end\n"
    gdb_expect {
	-re "$gdb_prompt $"   {pass "end tbreak commands"}
	timeout               {fail "(timeout) end tbreak commands"}
     }

    gdb_run_cmd
    gdb_expect {
	-re ".*factorial tbreak commands executed.*1.*$gdb_prompt $" {
	    pass "run factorial until temporary breakpoint"
	}
	timeout { fail "(timeout) run factorial until temporary breakpoint" }
    }
}
  
gdbvar_simple_if_test
gdbvar_simple_while_test
gdbvar_complex_if_while_test
progvar_simple_if_test
progvar_simple_while_test
progvar_complex_if_while_test
if_while_breakpoint_command_test
infrun_breakpoint_command_test
breakpoint_command_test
user_defined_command_test
watchpoint_command_test
test_command_prompt_position
deprecated_command_test
bp_deleted_in_command_test
temporary_breakpoint_commands