140 lines
4.6 KiB
Plaintext
140 lines
4.6 KiB
Plaintext
# Copyright 1997, 1998, 1999, 2000 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 2 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, write to the Free Software
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# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
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# Please email any bugs, comments, and/or additions to this file to:
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# bug-gdb@prep.ai.mit.edu
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if $tracelevel then {
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strace $tracelevel
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}
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set prms_id 0
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set bug_id 0
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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, since it requires
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# that we use HP-UX-specific compiler & linker options to build
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# the testcase.
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#
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if {! [istarget "hppa*-*-*hpux*"] } {
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return
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}
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set libfile "solib"
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set testfile "so-indr-cl"
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set srcfile ${testfile}.c
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set binfile ${objdir}/${subdir}/${testfile}
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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 ${libfile}1.c -o ${libfile}1.o"
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if {$hp_cc_compiler || $hp_aCC_compiler} {
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set additional_flags "additional_flags=+z"
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} else {
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set additional_flags "additional_flags=-fpic"
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}
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if {[gdb_compile "${srcdir}/${subdir}/${libfile}1.c" "${objdir}/${subdir}/${libfile}1.o" object [list debug $additional_flags]] != ""} {
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perror "Couldn't compile ${libfile}1.c"
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return -1
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}
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if [istarget "hppa*-hp-hpux*"] then {
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remote_exec build "ld -b ${objdir}/${subdir}/${libfile}1.o -o ${objdir}/${subdir}/${libfile}1.sl"
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} else {
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set additional_flags "additional_flags=-shared"
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gdb_compile "${objdir}/${subdir}/${libfile}1.o" "${objdir}/${subdir}/${libfile}1.sl" executable [list debug $additional_flags]
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}
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# Build the test case
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#remote_exec build "$CC -Aa -g ${srcfile} ${libfile}1.sl -o ${binfile}"
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if {$hp_cc_compiler} {
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set additional_flags "additional_flags=-Ae"
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} else {
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set additional_flags ""
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}
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if {[gdb_compile "${srcdir}/${subdir}/${srcfile} ${objdir}/${subdir}/${libfile}1.sl" "${binfile}" executable [list debug $additional_flags]] != ""} {
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perror "Couldn't build ${binfile}"
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return -1
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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 ${binfile}
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# This program implicitly loads SOM shared libraries. We wish to test
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# whether a user can set breakpoints in a shlib before running the
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# program, where the program doesn't directly call the shlib, but
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# indirectly does via passing its address to another function.
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#
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# ??rehrauer: Currently, this doesn't work, but we do catch the case
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# and explicitly disallow it. The reason it fails appears to be that
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#
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# [1] gdb consults only the linker symbol table in this scenario, and
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# [2] For a shlib function that is only indirectly called from the
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# main a.out, there is in the linker symbol table a stub whose
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# address is negative. Possibly this is to be interpreted as
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# an index into the DLT??
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#
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send_gdb "break solib_main\n"
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gdb_expect {
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-re "Cannot break on solib_main without a running program.*$gdb_prompt $"\
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{pass "break on indirect solib call before running"}
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-re "Breakpoint.*deferred.*\\(\"solib_main\" was not found.*$gdb_prompt $"\
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{pass "break on indirect solib call before running 2"}
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-re "$gdb_prompt $"\
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{fail "break on indirect solib call before running"}
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timeout {fail "(timeout) break on indirect solib call before running"}
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}
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# However, if we do run to the program's main, we then ought to be
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# able to set a breakpoint on the indirectly called function. (Apparently,
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# once the inferior is running, gdb consults the debug info rather than
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# the linker symbol table, and is able to find the correct address.)
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#
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if ![runto_main] then { fail "indirect solib call tests suppressed" }
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# Verify that we can step over the first shlib call.
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#
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send_gdb "break solib_main\n"
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gdb_expect {
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-re ".*\[Bb\]reakpoint \[0-9\]* at 0x\[0-9a-fA-F\]*: file.*${libfile}1.c.*$gdb_prompt $"\
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{pass "break on indirect solib call after running"}
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-re "$gdb_prompt $"\
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{fail "break on indirect solib call after running"}
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timeout {fail "(timeout) break on indirect solib call after running"}
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}
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gdb_exit
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return 0
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