sepdebug.exp

gdb-6.8 Linux下的调试程序 最新版本

  timeout {fail "(timeout) finish with arguments disallowed"}
}

# Verify that GDB responds gracefully to a request to "finish" from
# the outermost frame.  On a stub that never exits, this will just
# run to the stubs routine, so we don't get this error...  Thus the 
# second condition.
#

send_gdb "finish\n"
gdb_expect {
  -re "\"finish\" not meaningful in the outermost frame.\r\n$gdb_prompt $"\
          {pass "finish from outermost frame disallowed"}
  -re "Run till exit from.*\r\n$gdb_prompt $" {
     pass "finish from outermost frame disallowed"
  }
  -re "$gdb_prompt $"\
          {fail "finish from outermost frame disallowed"}
  timeout {fail "(timeout) finish from outermost frame disallowed"}
}

# Verify that we can explicitly ask GDB to stop on all shared library
# events, and that it does so.
#
if [istarget "hppa*-*-hpux*"] then {
  if ![runto_main] then { fail "break tests suppressed" }

  send_gdb "set stop-on-solib-events 1\n"
  gdb_expect {
    -re "$gdb_prompt $"\
            {pass "set stop-on-solib-events"}
    timeout {fail "(timeout) set stop-on-solib-events"}
  }

  send_gdb "run\n"
  gdb_expect {
    -re ".*Start it from the beginning.*y or n. $"\
            {send_gdb "y\n"
             gdb_expect {
               -re ".*Stopped due to shared library event.*$gdb_prompt $"\
                       {pass "triggered stop-on-solib-events"}
               -re "$gdb_prompt $"\
                       {fail "triggered stop-on-solib-events"}
               timeout {fail "(timeout) triggered stop-on-solib-events"}
             }
            }
    -re "$gdb_prompt $"\
            {fail "rerun for stop-on-solib-events"}
    timeout {fail "(timeout) rerun for stop-on-solib-events"}
  }

  send_gdb "set stop-on-solib-events 0\n"
  gdb_expect {
    -re "$gdb_prompt $"\
            {pass "reset stop-on-solib-events"}
    timeout {fail "(timeout) reset stop-on-solib-events"}
  }
}

# Hardware breakpoints are unsupported on HP-UX.  Verify that GDB
# gracefully responds to requests to create them.
#
if [istarget "hppa*-*-hpux*"] then {
  if ![runto_main] then { fail "break tests suppressed" }

  send_gdb "hbreak\n"
  gdb_expect {
    -re "No hardware breakpoint support in the target.*$gdb_prompt $"\
            {pass "hw breaks disallowed"}
    -re "$gdb_prompt $"\
            {fail "hw breaks disallowed"}
    timeout {fail "(timeout) hw breaks disallowed"}
  }

  send_gdb "thbreak\n"
  gdb_expect {
    -re "No hardware breakpoint support in the target.*$gdb_prompt $"\
            {pass "temporary hw breaks disallowed"}
    -re "$gdb_prompt $"\
            {fail "temporary hw breaks disallowed"}
    timeout {fail "(timeout) temporary hw breaks disallowed"}
  }
}

#********


#
# Test "next" over recursive function call.
#

proc test_next_with_recursion {} { 
    global gdb_prompt
    global decimal
    global binfile

    gdb_test "kill" "" "kill program" "Kill the program being debugged.*y or n. $" "y"
    delete_breakpoints

    gdb_test "break factorial" "Breakpoint $decimal at .*" "break at factorial"

    # Run until we call factorial with 6

    gdb_run_cmd
    gdb_expect {
	-re "Break.* factorial .value=6. .*$gdb_prompt $" {}
	-re ".*$gdb_prompt $" {
	    fail "run to factorial(6)";
	    gdb_suppress_tests;
	}
	timeout { fail "run to factorial(6) (timeout)" ; gdb_suppress_tests }
    }

    # Continue until we call factorial recursively with 5.

    if [gdb_test "continue" \
	"Continuing.*Break.* factorial .value=5. .*" \
	"continue to factorial(5)"] then { gdb_suppress_tests }

    # Do a backtrace just to confirm how many levels deep we are.

    if [gdb_test "backtrace" \
	"#0\[ \t\]+ factorial .value=5..*" \
	"backtrace from factorial(5)"] then { gdb_suppress_tests }

    # Now a "next" should position us at the recursive call, which
    # we will be performing with 4.

    if [gdb_test "next" \
	".* factorial .value - 1.;.*" \
	"next to recursive call"] then { gdb_suppress_tests }

    # Disable the breakpoint at the entry to factorial by deleting them all.
    # The "next" should run until we return to the next line from this
    # recursive call to factorial with 4.
    # Buggy versions of gdb will stop instead at the innermost frame on
    # the line where we are trying to "next" to.

    delete_breakpoints

    if [istarget "mips*tx39-*"] {
	set timeout 60
    }
    # We used to set timeout here for all other targets as well.  This
    # is almost certainly wrong.  The proper timeout depends on the
    # target system in use, and how we communicate with it, so there
    # is no single value appropriate for all targets.  The timeout
    # should be established by the Dejagnu config file(s) for the
    # board, and respected by the test suite.
    #
    # For example, if I'm running GDB over an SSH tunnel talking to a
    # portmaster in California talking to an ancient 68k board running
    # a crummy ROM monitor (a situation I can only wish were
    # hypothetical), then I need a large timeout.  But that's not the
    # kind of knowledge that belongs in this file.

    gdb_test next "\[0-9\]*\[\t \]+return \\(value\\);.*" \
	    "next over recursive call"

    # OK, we should be back in the same stack frame we started from.
    # Do a backtrace just to confirm.

    set result [gdb_test "backtrace" \
	    "#0\[ \t\]+ factorial .value=120.*\r\n#1\[ \t\]+ \[0-9a-fx\]+ in factorial .value=6..*" \
	    "backtrace from factorial(5.1)"]
    if { $result != 0 } { gdb_suppress_tests }

    if [target_info exists gdb,noresults] { gdb_suppress_tests }
  gdb_continue_to_end "recursive next test"
   gdb_stop_suppressing_tests;
}

test_next_with_recursion


#********

proc test_different_dir {type test_different_dir xfail} {
    global srcdir subdir objdir binfile srcfile timeout gdb_prompt
    global pf_prefix
    global bp_location6 decimal hex

    set old_pf_prefix $pf_prefix
    append pf_prefix " $type:"

    gdb_exit
    gdb_start
    gdb_reinitialize_dir $srcdir/$subdir
    gdb_test "set debug-file-directory ${test_different_dir}" ".*" "set separate debug location"
    gdb_load ${binfile}

    if [target_info exists gdb_stub] {
	gdb_step_for_stub;
    }

    #
    # test break at function
    #
    if {$xfail} {
	setup_xfail "*-*-*"
    }
    gdb_test "break main" \
	"Breakpoint.*at.* file .*$srcfile, line.*" \
	"breakpoint function, optimized file"

    #
    # test break at function
    #
    if {$xfail} {
	setup_xfail "*-*-*"
    }
    gdb_test "break marker4" \
	"Breakpoint.*at.* file .*$srcfile, line.*" \
	"breakpoint small function, optimized file"

    #
    # run until the breakpoint at main is hit. For non-stubs-using targets.
    #
    gdb_run_cmd
    if {$xfail} {
	setup_xfail "*-*-*"
    }
    gdb_expect {
	-re "Breakpoint \[0-9\]+,.*main .*argc.*argv.* at .*$srcfile:$bp_location6.*$bp_location6\[\t \]+if .argc.* \{.*$gdb_prompt $" {
	    pass "run until function breakpoint, optimized file"
	}
	-re "Breakpoint \[0-9\]+,.*main .*argc.*argv.* at .*$gdb_prompt $" {
	    pass "run until function breakpoint, optimized file (code motion)"
	}
	-re "$gdb_prompt $" {
	    fail "run until function breakpoint, optimized file"
	}
	timeout {
	    fail "run until function breakpoint, optimized file (timeout)"
	}
    }

    #
    # run until the breakpoint at a small function
    #

    #
    # Add a second pass pattern.  The behavior differs here between stabs
    # and dwarf for one-line functions.  Stabs preserves two line symbols
    # (one before the prologue and one after) with the same line number, 
    # but dwarf regards these as duplicates and discards one of them.
    # Therefore the address after the prologue (where the breakpoint is)
    # has no exactly matching line symbol, and GDB reports the breakpoint
    # as if it were in the middle of a line rather than at the beginning.

    set bp_location13 [gdb_get_line_number "set breakpoint 13 here"]
    set bp_location14 [gdb_get_line_number "set breakpoint 14 here"]
    send_gdb "continue\n"
    if {$xfail} {
	setup_xfail "*-*-*"
    }
    gdb_expect {
	-re "Breakpoint $decimal, marker4 \\(d=177601976\\) at .*$srcfile:$bp_location13\[\r\n\]+$bp_location13\[\t \]+void marker4.*" {
	    pass "run until breakpoint set at small function, optimized file"
	}
	-re "Breakpoint $decimal, $hex in marker4 \\(d=177601976\\) at .*$srcfile:$bp_location13\[\r\n\]+$bp_location13\[\t \]+void marker4.*" {
	    pass "run until breakpoint set at small function, optimized file"
	}
	-re "Breakpoint $decimal, marker4 \\(d=177601976\\) at .*$srcfile:$bp_location14\[\r\n\]+$bp_location14\[\t \]+void marker4.*" {
	    # marker4() is defined at line 46 when compiled with -DPROTOTYPES
	    pass "run until breakpoint set at small function, optimized file (line bp_location14)"
	}
	-re ".*$gdb_prompt " {
	    fail "run until breakpoint set at small function, optimized file"
	}
	timeout {
	    fail "run until breakpoint set at small function, optimized file (timeout)"
	}
    }


    # Reset the default arguments for VxWorks
    if [istarget "*-*-vxworks*"] {
	set timeout 10
	verbose "Timeout is now $timeout seconds" 2
	send_gdb "set args main\n"
	gdb_expect -re ".*$gdb_prompt $" {}
    }

    set pf_prefix $old_pf_prefix
# proc test_different_dir
}


# now move the .debug file to a different location so that we can test
# the "set debug-file-directory" command.
  
remote_exec build "mv ${objdir}/${subdir}/.debug/${testfile}.debug ${objdir}/${subdir}"
set debugfile "${objdir}/${subdir}/${testfile}.debug"

test_different_dir debuglink "${objdir}/${subdir}" 0


# NT_GNU_BUILD_ID / .note.gnu.build-id test:

set build_id_debug_filename [build_id_debug_filename_get $binfile]
if ![string compare $build_id_debug_filename ""] then {
    unsupported "build-id is not supported by the compiler"

    # Spare debug files may confuse testsuite runs in the future.
    remote_exec build "rm -f $debugfile"
} else {
    set build_id_debugself_filename [build_id_debug_filename_get $debugfile]
    set test "build-id support by binutils"
    set xfail 0
    if ![string compare $build_id_debugself_filename ""] then {
	unsupported $test
	set xfail 1
    } elseif {[string compare $build_id_debugself_filename $build_id_debug_filename] != 0} then {
	fail $test
    } else {
	pass $test
    }

    file mkdir [file dirname ${objdir}/${subdir}/${build_id_debug_filename}]
    remote_exec build "mv $debugfile ${objdir}/${subdir}/${build_id_debug_filename}"

    test_different_dir build-id "${objdir}/${subdir}" $xfail

    # Spare debug files may confuse testsuite runs in the future.
    remote_exec build "rm -f ${objdir}/${subdir}/${build_id_debug_filename}"
}