gdb/testsuite/gdb.base/prologue.exp

   1 # Test for prologue skipping in minimal symbols with line info.
   2 # Copyright 2007-2023 Free Software Foundation, Inc.
   3
   4 # This program is free software; you can redistribute it and/or modify
   5 # it under the terms of the GNU General Public License as published by
   6 # the Free Software Foundation; either version 3 of the License, or
   7 # (at your option) any later version.
   8 #
   9 # This program is distributed in the hope that it will be useful,
  10 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 # GNU General Public License for more details.
  13 #
  14 # You should have received a copy of the GNU General Public License
  15 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  16
  17 if { [skip_cplus_tests] } {  return }
  18
  19 standard_testfile .c
  20
  21 if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
  22      untested "failed to compile"
  23      return -1
  24 }
  25
  26 clean_restart ${binfile}
  27
  28 if {![runto_main]} {
  29     return
  30 }
  31
  32 proc find_breakpoint_pc { sym } {
  33     global decimal hex gdb_prompt
  34
  35     if { [gdb_breakpoint $sym temporary] } {
  36         pass "setting breakpoint at $sym"
  37     }
  38
  39     gdb_test "continue" "marker \\(.*\\) at.*" "continue to $sym"
  40
  41     set pc 0
  42     set msg "reading \$pc: $sym"
  43     gdb_test_multiple "print/x \$pc" $msg {
  44         -re "\\\$$decimal = ($hex)\r\n$gdb_prompt $" {
  45             set pc $expect_out(1,string)
  46             pass $msg
  47         }
  48     }
  49
  50     return $pc
  51 }
  52
  53 # GDB would skip the prologue differently when given a symbol with
  54 # debug info than when given a minimal symbol from the symbol table.
  55 # Make sure this is fixed.
  56
  57 set pc1 [find_breakpoint_pc "marker"]
  58
  59 set pc2 [find_breakpoint_pc "other"]
  60
  61 gdb_test "print /d $pc1 == $pc2" "\\\$$decimal = 1" "same pc from minimal symbol"