Subversion Repositories openrisc_2011-10-31

#   Copyright 1997, 1998, 1999, 2007, 2008 Free Software Foundation, Inc.

# 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 .  */

# Please email any bugs, comments, and/or additions to this file to:

# bug-gdb@prep.ai.mit.edu

if $tracelevel then {

        strace $tracelevel

        }

set prms_id 0

set bug_id 0

# are we on a target board

if ![isnative] then {

    return

}

# This test is presently only valid on HP-UX.  It verifies GDB's

# ability to catch loads and unloads of shared libraries.

#

#setup_xfail "*-*-*"

#clear_xfail "hppa*-*-*hpux*"

if {![istarget "hppa*-*-hpux*"]} {

    return 0

}

set testfile "solib"

set srcfile ${testfile}.c

set binfile ${objdir}/${subdir}/${testfile}

# build the first test case

if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {

     untested solib.exp

     return -1

}

if [get_compiler_info ${binfile}] {

    return -1

}

# Build the shared libraries this test case needs.

#

#cd ${subdir}

#remote_exec build "$CC -g +z -c ${testfile}1.c -o ${testfile}1.o"

#remote_exec build "$CC -g +z -c ${testfile}2.c -o ${testfile}2.o"

if {$gcc_compiled == 0} {

    if [istarget "hppa*-hp-hpux*"] then {

        set additional_flags "additional_flags=+z"

    } else {

        # don't know what the compiler is...

        set additional_flags ""

    }

} else {

    set additional_flags "additional_flags=-fpic"

}

if {[gdb_compile "${srcdir}/${subdir}/${testfile}1.c" "${binfile}1.o" object [list debug $additional_flags]] != ""} {

    perror "Couldn't compile ${testfile}1.c"

    #return -1

}

if {[gdb_compile "${srcdir}/${subdir}/${testfile}2.c" "${binfile}2.o" object [list debug, $additional_flags]] != ""} {

    perror "Couldn't compile ${testfile}2.c"

    #return -1

}

if [istarget "hppa*-*-hpux*"] {

    remote_exec build "ld -b ${binfile}1.o -o ${binfile}1.sl"

    remote_exec build "ld -b ${binfile}2.o -o ${binfile}2.sl"

} else {

    set additional_flags "additional_flags=-shared"

    gdb_compile "${binfile}1.o" "${binfile}1.sl" executable [list debug $additional_flags]

    gdb_compile "${binfile}2.o" "${binfile}2.sl" executable [list debug $additional_flags]

}

# Build a version where the main program is in a shared library.  For

# testing an indirect call made in a shared library.

if {[gdb_compile "${srcdir}/${subdir}/${testfile}.c" "${binfile}_sl.o" object [list debug $additional_flags]] != ""} {

    perror "Couldn't compile ${testfile}.c for ${binfile}_sl.o"

    #return -1

}

if { [istarget "hppa*-*-hpux*"] } {

    remote_exec build "ld -b ${binfile}_sl.o -o ${binfile}_sl.sl"

} else {

    set additional_flags "additional_flags=-shared"

    gdb_compile "${binfile}_sl.o" "${binfile}_sl.sl" executable [list debug $additional_flags]

}

if { [istarget "hppa*-*-hpux*"] } {

    set additional_flags "-Wl,-u,main"

    if { [gdb_compile "${binfile}_sl.sl" "${binfile}_sl" executable [list debug $additional_flags]] != "" } {

        untested solib.exp

        return -1

    }

} else {

    # FIXME: need to fill this part in for non-HP build

}

#cd ..

# Start with a fresh gdb

gdb_exit

gdb_start

gdb_reinitialize_dir $srcdir/$subdir

gdb_load ${binfile}

# This program manually loads and unloads SOM shared libraries, via calls

# to shl_load and shl_unload.

#

if ![runto_main] then { fail "catch load/unload tests suppressed" }

# Verify that we complain if the user tells us to catch something we

# don't understand.

#

send_gdb "catch a_cold\n"

gdb_expect {

  -re "Unknown event kind specified for catch.*$gdb_prompt $"\

          {pass "bogus catch kind is disallowed"}

  -re "$gdb_prompt $"\

          {fail "bogus catch kind is disallowed"}

  timeout {fail "(timeout) bogus catch kind is disallowed"}

}

# Verify that we can set a generic catchpoint on shlib loads.  I.e., that

# we can catch any shlib load, without specifying the name.

#

send_gdb "catch load\n"

gdb_expect {

  -re "Catchpoint \[0-9\]* .load .*$gdb_prompt $"\

          {pass "set generic catch load"}

  -re "$gdb_prompt $"\

          {fail "set generic catch load"}

  timeout {fail "(timeout) set generic catch load"}

}

send_gdb "continue\n"

gdb_expect {

  -re "Catchpoint \[0-9\] .loaded gdb.base/solib1.sl.*$gdb_prompt $"\

          {pass "caught generic solib load"}

  -re "$gdb_prompt $"\

          {fail "caught generic solib load"}

  timeout {fail "(timeout) caught generic solib load"}

}

# Set a breakpoint on the line following the shl_load call, and

# continue.

#

# ??rehrauer: It appears that we can't just say "finish" from here;

# GDB is getting confused by the dld's presense on the stack.

#

send_gdb "break 27\n"

gdb_expect {

  -re "Breakpoint \[0-9\]* at.*$gdb_prompt $"\

          {pass "set break after shl_load"}

  -re "$gdb_prompt $"\

          {fail "set break after shl_load"}

  timeout {fail "(timeout) set break after shl_load"}

}

send_gdb "continue\n"

gdb_expect {

  -re "Breakpoint \[0-9\]*, main .. at .*solib.c:27.*$gdb_prompt $"\

          {pass "continue after generic catch load"}

  -re "$gdb_prompt $"\

          {fail "continue after generic catch load"}

  timeout {fail "(timeout) continue after generic catch load"}

}

# Step over the call to shl_findsym.

#

# ??rehrauer: In theory, since the call to shl_load asked for

# immediate binding of the shlib's symbols, and since the

# shlib's symbols should have been auto-loaded, we ought to

# be able to set a breakpoint on solib_main now.  However,

# that seems not to be the case.  Dunno why for sure; perhaps

# the breakpoint wants to be set on an import stub in the

# main program for solib_main?  There wouldn't be one, in

# this case...

#

send_gdb "next\n"

gdb_expect {

  -re "$gdb_prompt $"\

          {pass "step over shl_findsym"}

  timeout {fail "(timeout) step over shl_findsym"}

}

# Verify that we can catch an unload of any library.

#

send_gdb "catch unload\n"

gdb_expect {

  -re "Catchpoint \[0-9\]* .unload .*$gdb_prompt $"\

          {pass "set generic catch unload"}

  -re "$gdb_prompt $"\

          {fail "set generic catch unload"}

  timeout {fail "(timeout) set generic catch load"}

}

send_gdb "continue\n"

gdb_expect {

  -re "Catchpoint \[0-9\] .unloaded gdb.base/solib1.sl.*$gdb_prompt $"\

          {pass "caught generic solib unload"}

  -re "$gdb_prompt $"\

          {fail "caught generic solib unload"}

  timeout {fail "(timeout) caught generic solib unload"}

}

# Verify that we can catch a load of a specific library.  (Delete

# all the other catchpoints first, so that the generic catchpoints

# we've previously set don't trigger.)

#

send_gdb "delete\n"

gdb_expect {

  -re "Delete all breakpoints.*y or n.*"\

          {send_gdb "y\n"

           gdb_expect {

             -re "$gdb_prompt $"\

                     {pass "delete all catchpoints"}

             timeout {fail "(timeout) delete all catchpoints"}

           }

          }

  -re "$gdb_prompt $"\

          {fail "delete all catchpoints"}

  timeout {fail "(timeout) delete all catchpoints"}

}

send_gdb "catch load gdb.base/solib2.sl\n"

gdb_expect {

  -re "Catchpoint \[0-9\]* .load gdb.base/solib2.sl.*$gdb_prompt $"\

          {pass "set specific catch load"}

  -re "$gdb_prompt $"\

          {fail "set specific catch load"}

  timeout {fail "(timeout) set specific catch load"}

}

send_gdb "continue\n"

gdb_expect {

  -re "Catchpoint \[0-9\] .loaded gdb.base/solib2.sl.*$gdb_prompt $"\

          {pass "caught specific solib load"}

  -re "$gdb_prompt $"\

          {fail "caught specific solib load"}

  timeout {fail "(timeout) caught specific solib load"}

}

# Verify that we can catch an unload of a specific library.

#

send_gdb "catch unload gdb.base/solib2.sl\n"

gdb_expect {

  -re "Catchpoint \[0-9\]* .unload gdb.base/solib2.sl.*$gdb_prompt $"\

          {pass "set specific catch unload"}

  -re "$gdb_prompt $"\

          {fail "set specific catch unload"}

  timeout {fail "(timeout) set specific catch unload"}

}

send_gdb "continue\n"

gdb_expect {

  -re "Catchpoint \[0-9\] .unloaded gdb.base/solib2.sl.*$gdb_prompt $"\

          {pass "caught specific solib unload"}

  -re "$gdb_prompt $"\

          {fail "caught specific solib unload"}

  timeout {fail "(timeout) caught specific solib unload"}

}

# Verify that we can set a catchpoint on a specific library that

# happens not to be loaded by the program.  And, that this catchpoint

# won't trigger inappropriately when other shlibs are loaded.

#

send_gdb "break 55\n"

gdb_expect {

  -re "Breakpoint \[0-9\]* at.*$gdb_prompt $"\

          {pass "set break on shl_unload"}

  -re "$gdb_prompt $"\

          {fail "set break on shl_unload"}

  timeout {fail "(timeout) set break on shl_unload"}

}

send_gdb "break 58\n"

gdb_expect {

  -re "Breakpoint \[0-9\]* at.*$gdb_prompt $"\

          {pass "set break after shl_unload"}

  -re "$gdb_prompt $"\

          {fail "set break after shl_unload"}

  timeout {fail "(timeout) set break after shl_unload"}

}

send_gdb "catch load foobar.sl\n"

gdb_expect {

  -re "Catchpoint \[0-9\]* .load foobar.sl.*$gdb_prompt $"\

          {pass "set specific catch load for nonloaded shlib"}

  -re "$gdb_prompt $"\

          {fail "set specific catch load for nonloaded shlib"}

  timeout {fail "(timeout) set specific catch load for nonloaded shlib"}

}

send_gdb "catch unload foobar.sl\n"

gdb_expect {

  -re "Catchpoint \[0-9\]* .unload foobar.sl.*$gdb_prompt $"\

          {pass "set specific catch unload for nonloaded shlib"}

  -re "$gdb_prompt $"\

          {fail "set specific catch unload for nonloaded shlib"}

  timeout {fail "(timeout) set specific catch unload for nonloaded shlib"}

}

send_gdb "continue\n"

gdb_expect {

  -re "Breakpoint \[0-9\]*.*$gdb_prompt $"\

          {pass "specific catch load doesn't trigger inappropriately"}

  -re "$gdb_prompt $"\

          {fail "specific catch load doesn't trigger inappropriately"}

  timeout {fail "(timeout) specific catch load doesn't trigger inappropriately"}

}

send_gdb "continue\n"

gdb_expect {

  -re "Breakpoint \[0-9\]*.*$gdb_prompt $"\

          {pass "specific catch unload doesn't trigger inappropriately"}

  -re "$gdb_prompt $"\

          {fail "specific catch unload doesn't trigger inappropriately"}

  timeout {fail "(timeout) specific catch unload doesn't trigger inappropriately"}

}

# ??rehrauer: There ought to be testpoints here that verify that

# load/unload catchpoints can use conditionals, can be temporary,

# self-disabling, etc etc.

#

gdb_exit

#

# Test stepping into an indirect call in a shared library.

#

gdb_start

gdb_load ${binfile}_sl

gdb_test "break main" ".*deferred. at .main..*" "break on main"

gdb_test "run" ".*Breakpoint.*main.*solib.c.*" "hit breakpoint at main"

gdb_test "break 45" "Breakpoint.*solib.c, line 45.*" "break on indirect call"

gdb_test "continue" "Continuing.*solib.c:45.*" \

        "continue to break on indirect call"

gdb_test "step" "solib_main.*solib1.c:17.*return arg.arg.*" \

        "step into indirect call from a shared library"

gdb_exit

return 0