gdb/testsuite/gdb.base/msym-bp-shl.exp

   1 # Copyright 2020-2024 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 # Test that when setting a breakpoint at "foo", GDB creates a location
  17 # for an unresolved <foo@plt> PLT in the main binary, even when a
  18 # static function named "foo" exists in the shared library.  Tests
  19 # both with and without debug info.
  20
  21 require allow_shlib_tests
  22
  23 standard_testfile msym-bp-shl-main.c msym-bp-shl-main-2.c msym-bp-shl-lib.c
  24 set srcfile ${srcdir}/${subdir}/${srcfile}
  25 set srcfile2 ${srcdir}/${subdir}/${srcfile2}
  26 set libsrc ${srcdir}/${subdir}/${srcfile3}
  27
  28 # Run "info breakpoints", and check that we find the two locations,
  29 # LOC_A and LOC_B, in either order.
  30 proc test_info_break_2 {loc_a loc_b} {
  31     set re1 ".*\.1.*${loc_a}\r\n.*\.2.*${loc_b}"
  32     set re2 ".*\.1.*${loc_b}\r\n.*\.2.*${loc_a}"
  33     gdb_test "info breakpoint" "$re1|$re2"
  34 }
  35
  36 proc test {debug} {
  37     global testfile binfile srcfile srcfile2 libsrc
  38     global decimal
  39
  40     if {$debug} {
  41         set options "debug"
  42     } else {
  43         set options ""
  44     }
  45
  46     set bin ${binfile}-$debug
  47     set lib [standard_output_file msym-bp-shl-lib-$debug.sl]
  48
  49     set exec_opts [list $options shlib=${lib}]
  50
  51     if { [gdb_compile_shlib $libsrc $lib $options] != ""
  52          || [gdb_compile [list $srcfile $srcfile2] $bin \
  53                  executable $exec_opts] != ""} {
  54         untested "failed to compile"
  55         return
  56     }
  57
  58     clean_restart $bin
  59     gdb_load_shlib $lib
  60
  61     # Should find two locations: the static foo in the
  62     # msym-bp-shl-main-2 file, and <foo@plt>, both in the main binary.
  63     with_test_prefix "before run" {
  64         gdb_test "break foo" "\\(2 locations\\)"
  65
  66         if {$debug} {
  67             test_info_break_2 \
  68                 "<foo@plt.*>" \
  69                 "in foo at .*msym-bp-shl-main-2.c:$decimal"
  70         } else {
  71             test_info_break_2 \
  72                 "<foo@plt.*>" \
  73                 "<foo(\\+$decimal)?>"
  74         }
  75     }
  76
  77     if ![runto_main] {
  78         return
  79     }
  80
  81     delete_breakpoints
  82
  83     # Should still find two locations, but the <foo@plt> PLT location
  84     # should not be present anymore.  I.e., we should find the static
  85     # foo in the msym-bp-shl-main-2 file, and the extern foo in the
  86     # shared library.
  87     with_test_prefix "at main" {
  88         gdb_test "break foo" "\\(2 locations\\)"
  89
  90         if {$debug} {
  91             test_info_break_2 \
  92                 "in foo at .*msym-bp-shl-main-2.c:$decimal" \
  93                 "in foo at .*msym-bp-shl-lib.c:$decimal"
  94         } else {
  95             test_info_break_2 \
  96                 "<foo(\\+$decimal)?>" \
  97                 "<foo(\\+$decimal)?>"
  98         }
  99     }
 100 }
 101
 102 foreach_with_prefix debug {0 1} {
 103     test $debug
 104 }