gdb/testsuite/gdb.base/c-linkage-name.exp

   1 # Copyright 2018-2022 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 is part of the gdb testsuite.  It is intended to test that
  17 # gdb can correctly print an ada symbol with linkage name before and after
  18 # symtab expansion.
  19
  20 standard_testfile c-linkage-name.c c-linkage-name-2.c
  21
  22 set sources "${srcdir}/${subdir}/${srcfile} ${srcdir}/${subdir}/${srcfile2}"
  23 if { [gdb_compile "${sources}" "${binfile}" executable {debug}] != "" } {
  24     untested "failed to compile"
  25     return -1
  26 }
  27
  28 clean_restart
  29 gdb_test_no_output "set language c"
  30 gdb_load ${binfile}
  31 set readnow [readnow]
  32
  33 set test "verify no symtab expansion"
  34 if { $readnow } {
  35     unsupported $test
  36 } else {
  37     # Verify that symtab expansion has not taken place.
  38
  39     gdb_test_no_output "maint info symtabs" $test
  40 }
  41
  42 set test "print symada__cS before partial symtab expansion"
  43 if { $readnow } {
  44     unsupported $test
  45 } else {
  46     # Try to print MUNDANE, but using its linkage name.
  47
  48     gdb_test "print symada__cS" \
  49         " = {a = 100829103}" \
  50         "print symada__cS before partial symtab expansion"
  51 }
  52
  53 # Force the symbols to be expanded for the unit that contains
  54 # our symada__cS symbol by, e.g. inserting a breakpoint on one
  55 # of the founction also provided by the same using.
  56
  57 gdb_test "break do_something_other_cu" \
  58          "Breakpoint $decimal at $hex: file .*$srcfile2, line $decimal\\."
  59
  60 # Verify that partial symtab expansion has taken place for
  61 # c-linkage-name-2.c.
  62
  63 gdb_test "maint info symtabs" "\{ symtab \[^\r\n\]*c-linkage-name-2.c.*"
  64
  65 # Flush the symbol cache to prevent the lookup to return the same as before.
  66
  67 gdb_test "maint flush symbol-cache"
  68
  69 # Try to print MUNDANE using its linkage name again, after partial
  70 # symtab expansion.
  71
  72 gdb_test "print symada__cS" \
  73          " = {a = 100829103}" \
  74          "print symada__cS after partial symtab expansion"