1# Copyright (C) 1997, 2007 Free Software Foundation, Inc. 2 3# This program is free software; you can redistribute it and/or modify 4# it under the terms of the GNU General Public License as published by 5# the Free Software Foundation; either version 3 of the License, or 6# (at your option) any later version. 7# 8# This program is distributed in the hope that it will be useful, 9# but WITHOUT ANY WARRANTY; without even the implied warranty of 10# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 11# GNU General Public License for more details. 12# 13# You should have received a copy of the GNU General Public License 14# along with this program. If not, see <http://www.gnu.org/licenses/>. */ 15 16# This file was written by srikanth (with huge chunks borrowed from old ones) 17# 18# Regression test for 19# 20# CLLbs14756 21# 22# o catch load command does not stop for implicit loads. 23# 24# CLLbs15382 25# 26# o sharedlibrary command ignores its argument and ends 27# up loading every shared library there is ... 28# 29# CLLbs15582 30# 31# o info line non-existent-function dumps core 32# o clear non-existent function dumps core 33# o xbreak non-existent-function dumps core 34# 35# CLLbs15725 36# 37# o gdb prints static and extern variables in shlibs incorrectly. 38# 39# CLLbs16090 40# 41# o deferred breakpoints should kick in for shlibs loaded explicitly 42# with the sharedlibrary command. 43# o GDB confuses export stubs with actual function. 44# 45# 46 47if $tracelevel { 48 strace $tracelevel 49} 50 51if { [skip_hp_tests] } { continue } 52 53set prms_id 0 54set bug_id 0 55 56# are we on a target board 57if ![isnative] { 58 return 59} 60 61# This test is presently only valid on HP-UX, since it requires 62# that we use HP-UX-specific compiler & linker options to build 63# the testcase. 64# 65setup_xfail "*-*-*" 66clear_xfail "hppa*-*-*hpux*" 67 68set prototypes 0 69set testfile "solib-d" 70set srcfile ${testfile}.c 71set binfile ${objdir}/${subdir}/${testfile} 72set testfile1 ${objdir}/${subdir}/${testfile}1.o 73set testfile2 ${objdir}/${subdir}/${testfile}2.o 74set libfile1 ${objdir}/${subdir}/${testfile}1.sl 75set libfile2 ${objdir}/${subdir}/${testfile}2.sl 76 77# Create and source the file that provides information about the compiler 78# used to compile the test case. 79if [get_compiler_info ${binfile}] { 80 return -1; 81} 82 83# set up appropriate compile option to recognize long double 84if {$hp_aCC_compiler || $hp_cc_compiler} { 85 set picflag "+z" 86 set ansiflag "-Ae" 87} else { 88 set picflag "-fpic" 89 set ansiflag "" 90} 91 92 93# Build the shared libraries this test case needs. 94# 95#cd ${subdir} 96 97if { [gdb_compile "${srcdir}/${subdir}/${testfile}1.c" "${testfile1}" object "{debug additional_flags=${picflag}}"] != "" } { 98 perror "Couldn't compile ${testfile}1.c" 99 return -1 100} 101 102if { [gdb_compile "${srcdir}/${subdir}/${testfile}2.c" "${testfile2}" object "{debug additional_flags=${picflag}}"] != ""} { 103 perror "Couldn't compile ${testfile}2.c" 104 return -1 105} 106 107remote_exec build "ld -b ${testfile1} -o ${libfile1}" 108remote_exec build "ld -b ${testfile2} -o ${libfile2}" 109 110# Build the test case 111 112if { [gdb_compile "${srcdir}/${subdir}/${srcfile} ${libfile1} ${libfile2}" "${binfile}" executable "{debug additional_flags=${ansiflag} -Wl,-aarchive}"] != "" } { 113 perror "Couldn't build ${binfile}" 114 return -1 115} 116 117# Start with a fresh gdb 118 119gdb_exit 120gdb_start 121gdb_reinitialize_dir $srcdir/$subdir 122gdb_load ${binfile} 123 124# Verify that we can set a generic catchpoint on shlib loads. I.e., that 125# we can catch any shlib load, without specifying the name. 126# 127gdb_test "catch load" "Catchpoint \[0-9\]* .load <any library>.*" \ 128 "set generic catch load" 129 130# Verify that implicit shlib loads are caught and reported. 131send_gdb "run\n" 132gdb_expect { 133 -re ".*solib-d1.*$gdb_prompt $" { 134 pass "Catch implicit load at startup" 135 } 136 -re "Program exited.*$gdb_prompt $" { 137 fail "CLLbs14756 || CLLbs16090 came back ???" 138 } 139 timeout { fail "(timeout) implicit library load" } 140} 141 142gdb_exit 143gdb_start 144gdb_reinitialize_dir $srcdir/$subdir 145gdb_load ${binfile} 146 147if ![runto_main] { fail "breakpoint at main did not trigger ?" } 148 149# verify that we print globals from shlibs correctly. 150gdb_test "p global_from_primary" " = 5678" \ 151 "print global from shlib (CLLbs15725)" 152 153gdb_test "p global_from_secondary" " = 9012" \ 154 "print global from shlib (CLLbs15725)" 155 156# verify that we print static variables from shlibs correctly. 157if { ![runto function_from_primary] } { return } 158gdb_test "p file_static" " = 1234" "print file static variable (CLLbs15725)" 159 160if { ![runto function_from_secondary] } { return } 161gdb_test "p local_static" " = 3456" "print local static variable (CLLbs15725)" 162 163gdb_exit 164gdb_start 165gdb_reinitialize_dir $srcdir/$subdir 166gdb_load ${binfile} 167 168gdb_test "set auto-solib-add 0" "" "turn off auto shlib debug loading" 169 170if ![runto_main] { 171 perror "C function calling tests suppressed" 172} 173 174# verify that "clear non-existent-symbol" does not crash 175gdb_test "clear junkfunc" "Location not found.*" \ 176 "clear non-existent function does not dump core !" 177 178# verify that "info line non-existent-symbol" does not crash 179gdb_test "info line junkfunc" "Location not found.*" \ 180 "info line junkfunc does not dump core !" 181 182# verify that "xbreak non-existent-symbol" does not crash 183gdb_test "xbreak junkfunc" "Function \"junkfunc\" not defined.*" \ 184 "xbreak junkfunc does not dump core !" 185 186gdb_test "list function_from_primary" \ 187 "No line number known for function_from_primary.*" \ 188 "turning off auto shlib debug loading" 189 190send_gdb "sharedlibrary solib-d1\n" 191gdb_expect { 192 -re "Reading symbols from.*solib-d1.*$gdb_prompt $" { 193 pass "loading primary library on demand (1)" 194 } 195 -re "--Adding symbols for shared library.*solib-d1.*$gdb_prompt $" { 196 pass "loading primary library on demand (2)" 197 } 198 -re "$gdb_prompt $" { fail "loading primary library on demand (3)" } 199 timeout { fail "(timeout) loading primary library on demand" } 200} 201 202# make sure that load above of primary also did not pull in secondary. 203send_gdb "list function_from_secondary\n" 204gdb_expect { 205 -re "No symbol.*context.*$gdb_prompt $" { 206 pass "loaded only what we needed (1)" 207 } 208 -re "No line number known for function_from_secondary.*$gdb_prompt $" { 209 pass "loaded only what we needed (2)" 210 } 211 -re ".*9012.*$gdb_prompt $" { fail "Oops ! CLLbs15382 came back ?" } 212 timeout { fail "(timeout) printing global" } 213} 214 215gdb_exit 216gdb_start 217gdb_reinitialize_dir $srcdir/$subdir 218gdb_load ${binfile} 219 220gdb_test "set auto-solib-add 0" "" "turn off auto shlib debug loading" 221 222gdb_test "set stop-on-solib-event 1" "" "stop-on-solib-event" 223 224# verify that we set breakpoint on the function and not the export stub 225# used to be that we set bp on the export stub of _start and thus miss 226# shlib loads in some cases (where the stub exists) 227send_gdb "run\n" 228gdb_expect { 229 -re "Stopped due to shared library event.*$gdb_prompt $" { 230 pass "stop for shlib event" 231 } 232 -re "Program exited.*$gdb_prompt $" { 233 fail "Bug CLLbs16090 came back ?" 234 } 235 timeout { fail "(timeout) stop for shlib event " } 236} 237 238gdb_test "b main" "Breakpoint 1 at.*" "set breakpoint on main" 239 240gdb_test "set stop-on-solib-event 0" "" "stop-on-solib-event (timeout)" 241 242# verify that we set breakpoint on the function and not the export stub 243gdb_test "cont" "Breakpoint 1.*main.*" "run to main" 244 245# On PA64 we read in the unwind info and linker symbol table which lets 246# us set the breakpoint and not defer it. 247send_gdb "b garbage\n" 248gdb_expect { 249 -re "Breakpoint.*deferred.*garbage.*library containing.*is loaded.*$gdb_prompt $" { 250 pass " set deferred breakpoint (1)" 251 } 252 -re "Breakpoint 2 at 0x.*$gdb_prompt $" { 253 pass " set deferred breakpoint (2)" 254 } 255 -re "$gdb_prompt $" { fail " set deferred breakpoint (3)" } 256 timeout { fail "(timeout) set deferred breakpoint" } 257} 258 259# make sure that the sharedlibrary command enables any deferred breakpoints 260# that it should. 261send_gdb "sharedlibrary lib\n" 262gdb_expect { 263 -re "Reading.*solib-d1.*$gdb_prompt $" { 264 pass "load up all shared libs (1)" 265 } 266 -re "Loading.*dld.sl.*--Adding symbols.*solib-d1.*$gdb_prompt $" { 267 pass "load up all shared libs (2)" 268 } 269 -re "$gdb_prompt $" { fail "load up all libraries" } 270 timeout { fail "(timeout) load all libraries " } 271} 272 273# do we stop at garbage ? If yes ok. 274gdb_test "cont" "Breakpoint.*garbage.*" "deferred breakpoint enabled" 275 276gdb_exit 277return 0 278