gdb/testsuite/gdb.base/shlib-call.exp

   1 #   Copyright 1997-2019 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 # file to test calls into shared libraries
  17 # the source files for this test are:
  18 #
  19 # shmain.c
  20 # shr1.c (shared lib)
  21 # shr2.c (shared lib)
  22 # ss.h (header for shr2.c)
  23 #
  24 # file written by Elena Zannoni: elz@ch.apollo.com
  25 #
  26
  27 #debug shmain
  28 #prop lib shr1.sl
  29 #prop lib shr2.sl
  30
  31
  32 if {[skip_shlib_tests]} {
  33     return 0
  34 }
  35
  36 standard_testfile shmain.c shr1.c shr2.c
  37 set srcfile  ${srcdir}/${subdir}/${srcfile}
  38 set lib1src  ${srcdir}/${subdir}/${srcfile2}
  39 set lib2src  ${srcdir}/${subdir}/${srcfile3}
  40 set lib1     [standard_output_file shr1.sl]
  41 set lib2     [standard_output_file shr2.sl]
  42
  43 set lib_opts "debug"
  44 set exec_opts [list debug shlib=${lib1} shlib=${lib2}]
  45
  46 if [get_compiler_info] {
  47     return -1
  48 }
  49
  50 if { [gdb_compile_shlib ${lib1src} ${lib1} $lib_opts] != ""
  51      || [gdb_compile_shlib ${lib2src} ${lib2} $lib_opts] != ""
  52      || [gdb_compile ${srcfile} ${binfile} executable $exec_opts] != ""} {
  53     untested "failed to compile"
  54     return -1
  55 }
  56
  57 # Start with a fresh gdb.
  58
  59 clean_restart ${binfile}
  60 gdb_load_shlib $lib1
  61 gdb_load_shlib $lib2
  62
  63 gdb_test_no_output "set print sevenbit-strings"
  64 gdb_test_no_output "set print address off"
  65 gdb_test_no_output "set width 0"
  66
  67
  68 if ![runto_main] then {
  69         perror "C function calling tests suppressed"
  70 }
  71
  72
  73 #step -over
  74
  75 gdb_test "next 2" "g = shr1\\(g\\);" "next to shr1"
  76
  77 #print g
  78
  79 gdb_test "print g" "\[0-9\]* = 1" "print g"
  80
  81 #step -over
  82 if ![gdb_skip_stdio_test "next over shr1"] {
  83     gdb_test_stdio "next" \
  84         "address of sgs is $hex" \
  85         "g = shr2\\(g\\);" \
  86         "next over shr1"
  87 } else {
  88     gdb_test "next" ".*" ""
  89 }
  90
  91
  92 #print g
  93 gdb_test "print g" "\[0-9\]* = 2" "print g"
  94
  95 #print shr1(1)
  96 if ![gdb_skip_stdio_test "print shr1(1)"] {
  97     gdb_test_stdio "print shr1(1)" \
  98         "address of sgs is $hex" \
  99         "\[0-9\]* = 2" \
 100         "print shr1(1)"
 101 }
 102
 103 #print shr1(g)
 104 if ![gdb_skip_stdio_test "print shr1(g)"] {
 105     gdb_test_stdio "print shr1(g)" \
 106         "address of sgs is $hex" \
 107         "\[0-9\]* = 4" \
 108         "print shr1(g)"
 109 }
 110
 111 #break shr2
 112 #go
 113 gdb_test "break shr2" \
 114     "Breakpoint.*file.*shr2.c, line.*" \
 115     "breakpoint function shr2"
 116
 117 gdb_test "continue" \
 118         "Continuing\\..*Breakpoint ${decimal}, shr2 \\(.*\\) at.*shr2\\.c:${decimal}.*shr2-return \\*\\/" \
 119         "run until breakpoint set at a function"
 120
 121
 122 #print shr1(1)
 123 if ![gdb_skip_stdio_test "print shr1(1) 2nd time"] {
 124     gdb_test_stdio "print shr1(1)" \
 125         "address of sgs is $hex" \
 126         "\[0-9\]* = 2" \
 127         "print shr1(1) 2nd time"
 128 }
 129
 130 #print mainshr1(1)
 131 gdb_test "print mainshr1(1)" "\[0-9\]* = 2" \
 132     "print mainshr1(1) from shlib func"
 133
 134 #step -return
 135 # A step at this point will either take us entirely out of
 136 # the function or into the function's epilogue.  The exact
 137 # behavior will differ depending upon upon whether or not
 138 # the compiler emits line number information for the epilogue.
 139 gdb_test_multiple "step" "step out of shr2 to main" {
 140     -re "main \\(\\) at.*g = mainshr1\\(g\\);.*$gdb_prompt $" {
 141         pass "step out of shr2 to main"
 142     }
 143     -re ".*\\\}.*$gdb_prompt $" {
 144         pass "step out of shr2 to main (stopped in shr2 epilogue)"
 145         gdb_test "step" \
 146             "main \\(\\) at.*g = mainshr1\\(g\\);" \
 147             "step out of shr2 epilogue to main"
 148     }
 149 }
 150
 151 #print mainshr1(1)
 152 gdb_test "print mainshr1(1)" "\[0-9\]* = 2" "print mainshr1(1)"
 153
 154 #step
 155 gdb_test "step" "mainshr1 \\(g=4\\) at.*return 2.g;" \
 156     "step into mainshr1"
 157
 158 # Start with a fresh gdb.
 159
 160 gdb_exit
 161 gdb_start
 162 gdb_reinitialize_dir $srcdir/$subdir
 163 gdb_load ${binfile}
 164 gdb_test_no_output "set print sevenbit-strings"
 165 gdb_test_no_output "set print address off"
 166 gdb_test_no_output "set width 0"
 167
 168
 169 # PR's 16495, 18213
 170 # test that we can re-set breakpoints in shared libraries
 171 gdb_breakpoint "shr1" "allow-pending"
 172
 173 set test "run to bp in shared library"
 174 gdb_run_cmd
 175 gdb_test_multiple "" $test {
 176     -re "Breakpoint .,.*${gdb_prompt} " {
 177         pass $test
 178     }
 179 }
 180
 181 gdb_continue_to_end "" continue 1
 182
 183 set test "re-run to bp in shared library (PR's 16495, 18213)"
 184 gdb_run_cmd
 185 gdb_test_multiple "" $test {
 186     -re "Breakpoint .,.*${gdb_prompt} " {
 187         pass $test
 188     }
 189 }
 190
 191 gdb_continue_to_end "" continue 1