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|
# Copyright 1997, 1998, 1999, 2000, 2007, 2008, 2009, 2010
# 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 <http://www.gnu.org/licenses/>. */
if $tracelevel then {
strace $tracelevel
}
# are we on a target board
if ![isnative] then {
return
}
# This test is presently only valid on HP-UX, since it requires
# that we use HP-UX-specific compiler & linker options to build
# the testcase.
#
if {! [istarget "hppa*-*-*hpux*"] } {
return
}
set libfile "solib"
set testfile "so-indr-cl"
set srcfile ${testfile}.c
set binfile ${objdir}/${subdir}/${testfile}
if [get_compiler_info ${binfile}] {
return -1
}
# Build the shared libraries this test case needs.
#
#cd ${subdir}
#remote_exec build "$CC -g +z -c ${libfile}1.c -o ${libfile}1.o"
if {$hp_cc_compiler || $hp_aCC_compiler} {
set additional_flags "additional_flags=+z"
} else {
set additional_flags "additional_flags=-fpic"
}
if {[gdb_compile "${srcdir}/${subdir}/${libfile}1.c" "${objdir}/${subdir}/${libfile}1.o" object [list debug $additional_flags]] != ""} {
perror "Couldn't compile ${libfile}1.c"
return -1
}
if [istarget "hppa*-hp-hpux*"] then {
remote_exec build "ld -b ${objdir}/${subdir}/${libfile}1.o -o ${objdir}/${subdir}/${libfile}1.sl"
} else {
set additional_flags "additional_flags=-shared"
gdb_compile "${objdir}/${subdir}/${libfile}1.o" "${objdir}/${subdir}/${libfile}1.sl" executable [list debug $additional_flags]
}
# Build the test case
#remote_exec build "$CC -Aa -g ${srcfile} ${libfile}1.sl -o ${binfile}"
if {$hp_cc_compiler} {
set additional_flags "additional_flags=-Ae"
} else {
set additional_flags ""
}
if {[gdb_compile "${srcdir}/${subdir}/${srcfile} ${objdir}/${subdir}/${libfile}1.sl" "${binfile}" executable [list debug $additional_flags]] != ""} {
perror "Couldn't build ${binfile}"
return -1
}
#cd ..
# Start with a fresh gdb
gdb_exit
gdb_start
gdb_reinitialize_dir $srcdir/$subdir
gdb_load ${binfile}
# This program implicitly loads SOM shared libraries. We wish to test
# whether a user can set breakpoints in a shlib before running the
# program, where the program doesn't directly call the shlib, but
# indirectly does via passing its address to another function.
#
# ??rehrauer: Currently, this doesn't work, but we do catch the case
# and explicitly disallow it. The reason it fails appears to be that
#
# [1] gdb consults only the linker symbol table in this scenario, and
# [2] For a shlib function that is only indirectly called from the
# main a.out, there is in the linker symbol table a stub whose
# address is negative. Possibly this is to be interpreted as
# an index into the DLT??
#
send_gdb "break solib_main\n"
gdb_expect {
-re "Cannot break on solib_main without a running program.*$gdb_prompt $"\
{pass "break on indirect solib call before running"}
-re "Breakpoint.*deferred.*\\(\"solib_main\" was not found.*$gdb_prompt $"\
{pass "break on indirect solib call before running 2"}
-re "$gdb_prompt $"\
{fail "break on indirect solib call before running"}
timeout {fail "(timeout) break on indirect solib call before running"}
}
# However, if we do run to the program's main, we then ought to be
# able to set a breakpoint on the indirectly called function. (Apparently,
# once the inferior is running, gdb consults the debug info rather than
# the linker symbol table, and is able to find the correct address.)
#
if ![runto_main] then { fail "indirect solib call tests suppressed" }
# Verify that we can step over the first shlib call.
#
send_gdb "break solib_main\n"
gdb_expect {
-re ".*\[Bb\]reakpoint \[0-9\]* at 0x\[0-9a-fA-F\]*: file.*${libfile}1.c.*$gdb_prompt $"\
{pass "break on indirect solib call after running"}
-re "$gdb_prompt $"\
{fail "break on indirect solib call after running"}
timeout {fail "(timeout) break on indirect solib call after running"}
}
gdb_exit
return 0
|
