sepdebug.exp

这个是LINUX下的GDB调度工具的源码

gdb_expect {
    -re "Breakpoint.*at.* file .*$srcfile, line $bp_location2.*$gdb_prompt $" { pass "Temporary breakpoint line number in file #1" }
	-re ".*$gdb_prompt $"   { pass "Temporary breakpoint line number in file #1" }
	timeout	    { fail "Temporary breakpoint line number in file #1 (timeout)" }
}

set bp_location11 [gdb_get_line_number "set breakpoint 11 here"]
gdb_test  "tbreak $srcfile:$bp_location11" "Breakpoint.*at.* file .*$srcfile, line $bp_location11.*" "Temporary breakpoint line number in file #2"

#
# check to see what breakpoints are set (temporary this time)
#
gdb_test "info break" "Num Type.*Disp Enb Address.*What.*\[\r\n\]
\[0-9\]+\[\t \]+breakpoint     del.*y.*in main at .*$srcfile:$main_line.*\[\r\n\]
\[0-9\]+\[\t \]+breakpoint     del.*y.*in factorial at .*$srcfile:$bp_location7.*\[\r\n\]
\[0-9\]+\[\t \]+breakpoint     del.*y.*in main at .*$srcfile:$bp_location1.*\[\r\n\]
\[0-9\]+\[\t \]+breakpoint     del.*y.*in main at .*$srcfile:$bp_location6.*\[\r\n\]
\[0-9\]+\[\t \]+breakpoint     del.*y.*in main at .*$srcfile:$bp_location2.*\[\r\n\]
\[0-9\]+\[\t \]+breakpoint     del.*y.*in main at .*$srcfile:$bp_location11.*" \
    "Temporary breakpoint info"


#***********

# Verify that catchpoints for fork, vfork and exec don't trigger
# inappropriately.  (There are no calls to those system functions
# in this test program.)
#
if ![runto_main] then { fail "break tests suppressed" }

send_gdb "catch\n"
gdb_expect {
  -re "Catch requires an event name.*$gdb_prompt $"\
          {pass "catch requires an event name"}
  -re "$gdb_prompt $"\
          {fail "catch requires an event name"}
  timeout {fail "(timeout) catch requires an event name"}
}


set name "set catch fork, never expected to trigger"
send_gdb "catch fork\n"
gdb_expect {
  -re "Catchpoint \[0-9\]* .fork..*$gdb_prompt $"
          {pass $name}
  -re "Catch of fork not yet implemented.*$gdb_prompt $"
	  {pass $name}
  -re "$gdb_prompt $"
          {fail $name}
  timeout {fail "(timeout) $name"}
}


set name "set catch vfork, never expected to trigger"
send_gdb "catch vfork\n"

# If we are on HP-UX 10.20, we expect an error message to be
# printed if we type "catch vfork" at the gdb gdb_prompt.  This is
# because on HP-UX 10.20, we cannot catch vfork events.

if [istarget "hppa*-hp-hpux10.20"] then {
    gdb_expect {
	-re "Catch of vfork events not supported on HP-UX 10.20..*$gdb_prompt $"
		{pass $name}
	-re "$gdb_prompt $"
		{fail $name}
	timeout {fail "(timeout) $name"}
    }
} else {
    gdb_expect {
	-re "Catchpoint \[0-9\]* .vfork..*$gdb_prompt $"
		{pass $name}
	-re "Catch of vfork not yet implemented.*$gdb_prompt $"
		{pass $name}
	-re "$gdb_prompt $"
		{fail $name}
	timeout {fail "(timeout) $name"}
    }
}

set name "set catch exec, never expected to trigger"
send_gdb "catch exec\n"
gdb_expect {
  -re "Catchpoint \[0-9\]* .exec..*$gdb_prompt $"
          {pass $name}
  -re "Catch of exec not yet implemented.*$gdb_prompt $"
	  {pass $name}
  -re "$gdb_prompt $" {fail $name}
  timeout {fail "(timeout) $name"}
}

# Verify that GDB responds gracefully when asked to set a breakpoint
# on a nonexistent source line.
#
send_gdb "break 999\n"
gdb_expect {
  -re "No line 999 in file .*$gdb_prompt $"\
          {pass "break on non-existent source line"}
  -re "$gdb_prompt $"\
          {fail "break on non-existent source line"}
  timeout {fail "(timeout) break on non-existent source line"}
}

# Run to the desired default location. If not positioned here, the
# tests below don't work.
#
gdb_test "until $bp_location1" "main .* at .*:$bp_location1.*" "until bp_location1"


# Verify that GDB allows one to just say "break", which is treated
# as the "default" breakpoint.  Note that GDB gets cute when printing
# the informational message about other breakpoints at the same
# location.  We'll hit that bird with this stone too.
#
send_gdb "break\n"
gdb_expect {
  -re "Breakpoint \[0-9\]*.*$gdb_prompt $"\
          {pass "break on default location, 1st time"}
  -re "$gdb_prompt $"\
          {fail "break on default location, 1st time"}
  timeout {fail "(timeout) break on default location, 1st time"}
}

send_gdb "break\n"
gdb_expect {
  -re "Note: breakpoint \[0-9\]* also set at .*Breakpoint \[0-9\]*.*$gdb_prompt $"\
          {pass "break on default location, 2nd time"}
  -re "$gdb_prompt $"\
          {fail "break on default location, 2nd time"}
  timeout {fail "(timeout) break on default location, 2nd time"}
}

send_gdb "break\n"
gdb_expect {
  -re "Note: breakpoints \[0-9\]* and \[0-9\]* also set at .*Breakpoint \[0-9\]*.*$gdb_prompt $"\
          {pass "break on default location, 3rd time"}
  -re "$gdb_prompt $"\
          {fail "break on default location, 3rd time"}
  timeout {fail "(timeout) break on default location, 3rd time"}
}

send_gdb "break\n"
gdb_expect {
  -re "Note: breakpoints \[0-9\]*, \[0-9\]* and \[0-9\]* also set at .*Breakpoint \[0-9\]*.*$gdb_prompt $"\
          {pass "break on default location, 4th time"}
  -re "$gdb_prompt $"\
          {fail "break on default location, 4th time"}
  timeout {fail "(timeout) break on default location, 4th time"}
}

# Verify that a "silent" breakpoint can be set, and that GDB is indeed
# "silent" about its triggering.
#
if ![runto_main] then { fail "break tests suppressed" }

send_gdb "break $bp_location1\n"
gdb_expect {
  -re "Breakpoint (\[0-9\]*) at .*, line $bp_location1.*$gdb_prompt $"\
          {pass "set to-be-silent break bp_location1"}
  -re "$gdb_prompt $"\
          {fail "set to-be-silent break bp_location1"}
  timeout {fail "(timeout) set to-be-silent break bp_location1"}
}

send_gdb "commands $expect_out(1,string)\n"
send_gdb "silent\n"
send_gdb "end\n"
gdb_expect {
  -re ".*$gdb_prompt $"\
          {pass "set silent break bp_location1"}
  timeout {fail "(timeout) set silent break bp_location1"}
}

send_gdb "info break $expect_out(1,string)\n"
gdb_expect {
  -re "\[0-9\]*\[ \t\]*breakpoint.*:$bp_location1\r\n\[ \t\]*silent.*$gdb_prompt $"\
          {pass "info silent break bp_location1"}
  -re "$gdb_prompt $"\
          {fail "info silent break bp_location1"}
  timeout {fail "(timeout) info silent break bp_location1"}
}
send_gdb "continue\n"
gdb_expect {
  -re "Continuing.\r\n$gdb_prompt $"\
          {pass "hit silent break bp_location1"}
  -re "$gdb_prompt $"\
          {fail "hit silent break bp_location1"}
  timeout {fail "(timeout) hit silent break bp_location1"}
}
send_gdb "bt\n"
gdb_expect {
  -re "#0  main .* at .*:$bp_location1.*$gdb_prompt $"\
          {pass "stopped for silent break bp_location1"}
  -re "$gdb_prompt $"\
          {fail "stopped for silent break bp_location1"}
  timeout {fail "(timeout) stopped for silent break bp_location1"}
}

# Verify that GDB can at least parse a breakpoint with the
# "thread" keyword.  (We won't attempt to test here that a
# thread-specific breakpoint really triggers appropriately.
# The gdb.threads subdirectory contains tests for that.)
#
set bp_location12 [gdb_get_line_number "set breakpoint 12 here"]
send_gdb "break $bp_location12 thread 999\n"
gdb_expect {
  -re "Unknown thread 999.*$gdb_prompt $"\
          {pass "thread-specific breakpoint on non-existent thread disallowed"}
  -re "$gdb_prompt $"\
          {fail "thread-specific breakpoint on non-existent thread disallowed"}
  timeout {fail "(timeout) thread-specific breakpoint on non-existent thread disallowed"}
}
send_gdb "break $bp_location12 thread foo\n"
gdb_expect {
  -re "Junk after thread keyword..*$gdb_prompt $"\
          {pass "thread-specific breakpoint on bogus thread ID disallowed"}
  -re "$gdb_prompt $"\
          {fail "thread-specific breakpoint on bogus thread ID disallowed"}
  timeout {fail "(timeout) thread-specific breakpoint on bogus thread ID disallowed"}
}

# Verify that GDB responds gracefully to a breakpoint command with
# trailing garbage.
#
send_gdb "break $bp_location12 foo\n"
gdb_expect {
  -re "Junk at end of arguments..*$gdb_prompt $"\
          {pass "breakpoint with trailing garbage disallowed"}
  -re "$gdb_prompt $"\
          {fail "breakpoint with trailing garbage disallowed"}
  timeout {fail "(timeout) breakpoint with trailing garbage disallowed"}
}

# Verify that GDB responds gracefully to a "clear" command that has
# no matching breakpoint.  (First, get us off the current source line,
# which we know has a breakpoint.)
#
send_gdb "next\n"
gdb_expect {
  -re ".*$gdb_prompt $"\
          {pass "step over breakpoint"}
  timeout {fail "(timeout) step over breakpoint"}
}
send_gdb "clear 81\n"
gdb_expect {
  -re "No breakpoint at 81..*$gdb_prompt $"\
          {pass "clear line has no breakpoint disallowed"}
  -re "$gdb_prompt $"\
          {fail "clear line has no breakpoint disallowed"}
  timeout {fail "(timeout) clear line has no breakpoint disallowed"}
}
send_gdb "clear\n"
gdb_expect {
  -re "No breakpoint at this line..*$gdb_prompt $"\
          {pass "clear current line has no breakpoint disallowed"}
  -re "$gdb_prompt $"\
          {fail "clear current line has no breakpoint disallowed"}
  timeout {fail "(timeout) clear current line has no breakpoint disallowed"}
}

# Verify that we can set and clear multiple breakpoints.
#
# We don't test that it deletes the correct breakpoints.  We do at
# least test that it deletes more than one breakpoint.
#
gdb_test "break marker3" "Breakpoint.*at.*" "break marker3 #1"
gdb_test "break marker3" "Breakpoint.*at.*" "break marker3 #2"
gdb_test "clear marker3" {Deleted breakpoints [0-9]+ [0-9]+.*}

# Verify that a breakpoint can be set via a convenience variable.
#
send_gdb "set \$foo=$bp_location11\n"
gdb_expect {
  -re "$gdb_prompt $"\
          {pass "set convenience variable \$foo to bp_location11"}
  timeout {fail "(timeout) set convenience variable \$foo to bp_location11"}
}
send_gdb "break \$foo\n"
gdb_expect {
  -re "Breakpoint (\[0-9\]*) at .*, line $bp_location11.*$gdb_prompt $"\
          {pass "set breakpoint via convenience variable"}
  -re "$gdb_prompt $"\
          {fail "set breakpoint via convenience variable"}
  timeout {fail "(timeout) set breakpoint via convenience variable"}
}

# Verify that GDB responds gracefully to an attempt to set a
# breakpoint via a convenience variable whose type is not integer.
#
send_gdb "set \$foo=81.5\n"
gdb_expect {
  -re "$gdb_prompt $"\
          {pass "set convenience variable \$foo to 81.5"}
  timeout {fail "(timeout) set convenience variable \$foo to 81.5"}
}
send_gdb "break \$foo\n"
gdb_expect {
  -re "Convenience variables used in line specs must have integer values..*$gdb_prompt $"\
          {pass "set breakpoint via non-integer convenience variable disallowed"}
  -re "$gdb_prompt $"\
          {fail "set breakpoint via non-integer convenience variable disallowed"}
  timeout {fail "(timeout) set breakpoint via non-integer convenience variable disallowed"}
}

# Verify that we can set and trigger a breakpoint in a user-called function.
#
send_gdb "break marker2\n"
gdb_expect {
    -re "Breakpoint (\[0-9\]*) at .*, line ($bp_location8|$bp_location9).*$gdb_prompt $"\
          {pass "set breakpoint on to-be-called function"}
  -re "$gdb_prompt $"\
          {fail "set breakpoint on to-be-called function"}
  timeout {fail "(timeout) set breakpoint on to-be-called function"}
}
send_gdb "print marker2(99)\n"
gdb_expect {
  -re "The program being debugged stopped while in a function called from GDB.\r\nWhen the function .marker2. is done executing, GDB will silently\r\nstop .instead of continuing to evaluate the expression containing\r\nthe function call...*$gdb_prompt $"\
          {pass "hit breakpoint on called function"}
  -re "$gdb_prompt $"\
          {fail "hit breakpoint on called function"}
  timeout {fail "(timeout) hit breakpoint on called function"}
}

# As long as we're stopped (breakpointed) in a called function,
# verify that we can successfully backtrace & such from here.
#
# In this and the following test, the _sr4export check apparently is needed
# for hppa*-*-hpux.
#
send_gdb "bt\n"