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jeremybenn |
# Copyright 1997, 1998, 1999, 2007, 2008, 2009, 2010
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# Free Software Foundation, Inc.
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see . */
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if $tracelevel then {
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strace $tracelevel
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}
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# are we on a target board
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if ![isnative] then {
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return
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}
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# This test is presently only valid on HP-UX. It verifies GDB's
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# ability to catch loads and unloads of shared libraries.
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#
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#setup_xfail "*-*-*"
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#clear_xfail "hppa*-*-*hpux*"
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if {![istarget "hppa*-*-hpux*"]} {
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return 0
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}
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set testfile "solib"
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set srcfile ${testfile}.c
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set binfile ${objdir}/${subdir}/${testfile}
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# build the first test case
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if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
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untested solib.exp
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return -1
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}
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if [get_compiler_info ${binfile}] {
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return -1
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}
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# Build the shared libraries this test case needs.
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#
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#cd ${subdir}
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#remote_exec build "$CC -g +z -c ${testfile}1.c -o ${testfile}1.o"
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#remote_exec build "$CC -g +z -c ${testfile}2.c -o ${testfile}2.o"
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if {$gcc_compiled == 0} {
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if [istarget "hppa*-hp-hpux*"] then {
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set additional_flags "additional_flags=+z"
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} else {
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# don't know what the compiler is...
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set additional_flags ""
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}
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} else {
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set additional_flags "additional_flags=-fpic"
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}
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if {[gdb_compile "${srcdir}/${subdir}/${testfile}1.c" "${binfile}1.o" object [list debug $additional_flags]] != ""} {
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perror "Couldn't compile ${testfile}1.c"
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#return -1
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}
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if {[gdb_compile "${srcdir}/${subdir}/${testfile}2.c" "${binfile}2.o" object [list debug, $additional_flags]] != ""} {
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perror "Couldn't compile ${testfile}2.c"
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#return -1
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}
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if [istarget "hppa*-*-hpux*"] {
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remote_exec build "ld -b ${binfile}1.o -o ${binfile}1.sl"
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remote_exec build "ld -b ${binfile}2.o -o ${binfile}2.sl"
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} else {
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set additional_flags "additional_flags=-shared"
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gdb_compile "${binfile}1.o" "${binfile}1.sl" executable [list debug $additional_flags]
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gdb_compile "${binfile}2.o" "${binfile}2.sl" executable [list debug $additional_flags]
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}
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# Build a version where the main program is in a shared library. For
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# testing an indirect call made in a shared library.
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if {[gdb_compile "${srcdir}/${subdir}/${testfile}.c" "${binfile}_sl.o" object [list debug $additional_flags]] != ""} {
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perror "Couldn't compile ${testfile}.c for ${binfile}_sl.o"
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#return -1
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}
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if { [istarget "hppa*-*-hpux*"] } {
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remote_exec build "ld -b ${binfile}_sl.o -o ${binfile}_sl.sl"
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} else {
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set additional_flags "additional_flags=-shared"
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gdb_compile "${binfile}_sl.o" "${binfile}_sl.sl" executable [list debug $additional_flags]
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}
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if { [istarget "hppa*-*-hpux*"] } {
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set additional_flags "-Wl,-u,main"
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if { [gdb_compile "${binfile}_sl.sl" "${binfile}_sl" executable [list debug $additional_flags]] != "" } {
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untested solib.exp
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return -1
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}
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} else {
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# FIXME: need to fill this part in for non-HP build
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}
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#cd ..
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# Start with a fresh gdb
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gdb_exit
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gdb_start
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gdb_reinitialize_dir $srcdir/$subdir
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gdb_load ${binfile}
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# This program manually loads and unloads SOM shared libraries, via calls
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# to shl_load and shl_unload.
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#
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if ![runto_main] then { fail "catch load/unload tests suppressed" }
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# Verify that we complain if the user tells us to catch something we
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# don't understand.
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#
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send_gdb "catch a_cold\n"
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gdb_expect {
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-re "Unknown event kind specified for catch.*$gdb_prompt $"\
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{pass "bogus catch kind is disallowed"}
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-re "$gdb_prompt $"\
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{fail "bogus catch kind is disallowed"}
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timeout {fail "(timeout) bogus catch kind is disallowed"}
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}
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# Verify that we can set a generic catchpoint on shlib loads. I.e., that
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# we can catch any shlib load, without specifying the name.
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#
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send_gdb "catch load\n"
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gdb_expect {
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-re "Catchpoint \[0-9\]* .load .*$gdb_prompt $"\
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{pass "set generic catch load"}
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-re "$gdb_prompt $"\
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{fail "set generic catch load"}
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timeout {fail "(timeout) set generic catch load"}
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}
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send_gdb "continue\n"
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gdb_expect {
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-re "Catchpoint \[0-9\] .loaded gdb.base/solib1.sl.*$gdb_prompt $"\
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{pass "caught generic solib load"}
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-re "$gdb_prompt $"\
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{fail "caught generic solib load"}
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timeout {fail "(timeout) caught generic solib load"}
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}
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# Set a breakpoint on the line following the shl_load call, and
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# continue.
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#
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# ??rehrauer: It appears that we can't just say "finish" from here;
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# GDB is getting confused by the dld's presense on the stack.
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#
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send_gdb "break 27\n"
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gdb_expect {
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-re "Breakpoint \[0-9\]* at.*$gdb_prompt $"\
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{pass "set break after shl_load"}
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-re "$gdb_prompt $"\
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{fail "set break after shl_load"}
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timeout {fail "(timeout) set break after shl_load"}
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}
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send_gdb "continue\n"
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gdb_expect {
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-re "Breakpoint \[0-9\]*, main .. at .*solib.c:27.*$gdb_prompt $"\
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{pass "continue after generic catch load"}
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-re "$gdb_prompt $"\
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{fail "continue after generic catch load"}
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timeout {fail "(timeout) continue after generic catch load"}
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}
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# Step over the call to shl_findsym.
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#
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# ??rehrauer: In theory, since the call to shl_load asked for
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# immediate binding of the shlib's symbols, and since the
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# shlib's symbols should have been auto-loaded, we ought to
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# be able to set a breakpoint on solib_main now. However,
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# that seems not to be the case. Dunno why for sure; perhaps
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# the breakpoint wants to be set on an import stub in the
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# main program for solib_main? There wouldn't be one, in
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# this case...
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#
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send_gdb "next\n"
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gdb_expect {
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-re "$gdb_prompt $"\
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{pass "step over shl_findsym"}
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timeout {fail "(timeout) step over shl_findsym"}
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}
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# Verify that we can catch an unload of any library.
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#
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send_gdb "catch unload\n"
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gdb_expect {
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-re "Catchpoint \[0-9\]* .unload .*$gdb_prompt $"\
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{pass "set generic catch unload"}
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-re "$gdb_prompt $"\
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{fail "set generic catch unload"}
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timeout {fail "(timeout) set generic catch load"}
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}
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send_gdb "continue\n"
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gdb_expect {
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-re "Catchpoint \[0-9\] .unloaded gdb.base/solib1.sl.*$gdb_prompt $"\
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{pass "caught generic solib unload"}
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-re "$gdb_prompt $"\
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{fail "caught generic solib unload"}
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timeout {fail "(timeout) caught generic solib unload"}
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}
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# Verify that we can catch a load of a specific library. (Delete
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# all the other catchpoints first, so that the generic catchpoints
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# we've previously set don't trigger.)
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#
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send_gdb "delete\n"
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gdb_expect {
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-re "Delete all breakpoints.*y or n.*"\
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{send_gdb "y\n"
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gdb_expect {
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-re "$gdb_prompt $"\
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{pass "delete all catchpoints"}
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timeout {fail "(timeout) delete all catchpoints"}
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}
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}
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-re "$gdb_prompt $"\
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{fail "delete all catchpoints"}
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timeout {fail "(timeout) delete all catchpoints"}
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}
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send_gdb "catch load gdb.base/solib2.sl\n"
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gdb_expect {
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-re "Catchpoint \[0-9\]* .load gdb.base/solib2.sl.*$gdb_prompt $"\
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{pass "set specific catch load"}
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-re "$gdb_prompt $"\
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{fail "set specific catch load"}
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timeout {fail "(timeout) set specific catch load"}
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}
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send_gdb "continue\n"
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gdb_expect {
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-re "Catchpoint \[0-9\] .loaded gdb.base/solib2.sl.*$gdb_prompt $"\
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{pass "caught specific solib load"}
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-re "$gdb_prompt $"\
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{fail "caught specific solib load"}
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timeout {fail "(timeout) caught specific solib load"}
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}
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# Verify that we can catch an unload of a specific library.
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#
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send_gdb "catch unload gdb.base/solib2.sl\n"
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gdb_expect {
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-re "Catchpoint \[0-9\]* .unload gdb.base/solib2.sl.*$gdb_prompt $"\
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{pass "set specific catch unload"}
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-re "$gdb_prompt $"\
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{fail "set specific catch unload"}
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timeout {fail "(timeout) set specific catch unload"}
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}
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send_gdb "continue\n"
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gdb_expect {
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-re "Catchpoint \[0-9\] .unloaded gdb.base/solib2.sl.*$gdb_prompt $"\
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{pass "caught specific solib unload"}
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-re "$gdb_prompt $"\
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{fail "caught specific solib unload"}
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timeout {fail "(timeout) caught specific solib unload"}
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}
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| 277 |
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# Verify that we can set a catchpoint on a specific library that
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# happens not to be loaded by the program. And, that this catchpoint
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# won't trigger inappropriately when other shlibs are loaded.
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#
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send_gdb "break 55\n"
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gdb_expect {
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-re "Breakpoint \[0-9\]* at.*$gdb_prompt $"\
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{pass "set break on shl_unload"}
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| 285 |
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-re "$gdb_prompt $"\
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{fail "set break on shl_unload"}
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timeout {fail "(timeout) set break on shl_unload"}
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}
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| 290 |
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send_gdb "break 58\n"
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gdb_expect {
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-re "Breakpoint \[0-9\]* at.*$gdb_prompt $"\
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| 293 |
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{pass "set break after shl_unload"}
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| 294 |
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-re "$gdb_prompt $"\
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| 295 |
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{fail "set break after shl_unload"}
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timeout {fail "(timeout) set break after shl_unload"}
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}
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| 298 |
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| 299 |
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send_gdb "catch load foobar.sl\n"
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| 300 |
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gdb_expect {
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-re "Catchpoint \[0-9\]* .load foobar.sl.*$gdb_prompt $"\
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{pass "set specific catch load for nonloaded shlib"}
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-re "$gdb_prompt $"\
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{fail "set specific catch load for nonloaded shlib"}
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timeout {fail "(timeout) set specific catch load for nonloaded shlib"}
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}
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| 307 |
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| 308 |
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send_gdb "catch unload foobar.sl\n"
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| 309 |
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gdb_expect {
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-re "Catchpoint \[0-9\]* .unload foobar.sl.*$gdb_prompt $"\
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| 311 |
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{pass "set specific catch unload for nonloaded shlib"}
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| 312 |
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-re "$gdb_prompt $"\
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{fail "set specific catch unload for nonloaded shlib"}
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| 314 |
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timeout {fail "(timeout) set specific catch unload for nonloaded shlib"}
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| 315 |
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}
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| 316 |
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send_gdb "continue\n"
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gdb_expect {
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| 319 |
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-re "Breakpoint \[0-9\]*.*$gdb_prompt $"\
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| 320 |
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{pass "specific catch load doesn't trigger inappropriately"}
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| 321 |
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-re "$gdb_prompt $"\
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| 322 |
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{fail "specific catch load doesn't trigger inappropriately"}
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| 323 |
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timeout {fail "(timeout) specific catch load doesn't trigger inappropriately"}
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| 324 |
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}
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| 325 |
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| 326 |
|
|
send_gdb "continue\n"
|
| 327 |
|
|
gdb_expect {
|
| 328 |
|
|
-re "Breakpoint \[0-9\]*.*$gdb_prompt $"\
|
| 329 |
|
|
{pass "specific catch unload doesn't trigger inappropriately"}
|
| 330 |
|
|
-re "$gdb_prompt $"\
|
| 331 |
|
|
{fail "specific catch unload doesn't trigger inappropriately"}
|
| 332 |
|
|
timeout {fail "(timeout) specific catch unload doesn't trigger inappropriately"}
|
| 333 |
|
|
}
|
| 334 |
|
|
|
| 335 |
|
|
# ??rehrauer: There ought to be testpoints here that verify that
|
| 336 |
|
|
# load/unload catchpoints can use conditionals, can be temporary,
|
| 337 |
|
|
# self-disabling, etc etc.
|
| 338 |
|
|
#
|
| 339 |
|
|
|
| 340 |
|
|
gdb_exit
|
| 341 |
|
|
|
| 342 |
|
|
#
|
| 343 |
|
|
# Test stepping into an indirect call in a shared library.
|
| 344 |
|
|
#
|
| 345 |
|
|
|
| 346 |
|
|
gdb_start
|
| 347 |
|
|
gdb_load ${binfile}_sl
|
| 348 |
|
|
gdb_test "break main" ".*deferred. at .main..*" "break on main"
|
| 349 |
|
|
gdb_test "run" ".*Breakpoint.*main.*solib.c.*" "hit breakpoint at main"
|
| 350 |
|
|
gdb_test "break 45" "Breakpoint.*solib.c, line 45.*" "break on indirect call"
|
| 351 |
|
|
gdb_test "continue" "Continuing.*solib.c:45.*" \
|
| 352 |
|
|
"continue to break on indirect call"
|
| 353 |
|
|
gdb_test "step" "solib_main.*solib1.c:17.*return arg.arg.*" \
|
| 354 |
|
|
"step into indirect call from a shared library"
|
| 355 |
|
|
gdb_exit
|
| 356 |
|
|
|
| 357 |
|
|
return 0
|
