# Copyright 1997, 1998, 1999, 2000, 2007 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, 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