gdb/testsuite/gdb.arch/powerpc-prologue.exp

   1 # Copyright 2006-2020 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 PowerPC prologue analyzer.
  17
  18 # Do not run on AIX (where we won't be able to build the tests without
  19 # some surgery) or on PowerPC64 (ditto, dot symbols).
  20 if {[istarget *-*-aix*] || ![istarget "powerpc-*-*"]} then {
  21     verbose "Skipping PowerPC prologue tests."
  22     return
  23 }
  24
  25 set testfile "powerpc-prologue"
  26 set srcfile ${testfile}.c
  27 set binfile [standard_output_file ${testfile}]
  28
  29 # Don't use "debug", so that we don't have line information for the assembly
  30 # fragments.
  31 if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {}] != "" } {
  32     untested "PowerPC prologue tests"
  33     return -1
  34 }
  35
  36
  37 gdb_exit
  38 gdb_start
  39 gdb_reinitialize_dir $srcdir/$subdir
  40 gdb_load ${binfile}
  41
  42 #
  43 # Run to `main' where we begin our tests.
  44 #
  45
  46 if ![runto_main] then {
  47     fail "can't run to main"
  48     return 0
  49 }
  50
  51 # Testcase for PIC prologue.
  52
  53 gdb_breakpoint "gdb2029_marker"
  54 gdb_test "continue" "Breakpoint $decimal, $hex in gdb2029_marker \\(\\).*" \
  55         "continue to PIC"
  56
  57 gdb_test "backtrace 10" \
  58         "#0\[ \t\]*$hex in gdb2029_marker.*\r\n#1\[ \t\]*$hex in gdb2029.*\r\n#2\[ \t\]*$hex in main.*" \
  59         "backtrace in PIC marker"
  60
  61 gdb_test "finish" ".*$hex in gdb2029 .*" "finish from PIC"
  62
  63 gdb_test "backtrace 10" \
  64         "#0\[ \t\]*$hex in gdb2029 .*\r\n#1\[ \t\]*$hex in main.*" \
  65         "backtrace in PIC"
  66
  67 gdb_test "info frame" \
  68         ".*Saved registers:.*r30 at.*pc at.*lr at.*" \
  69         "saved registers in PIC"
  70
  71 # Testcase for scheduled prologue.
  72
  73 gdb_breakpoint "optimized_1_marker"
  74 gdb_test "continue" "Breakpoint $decimal, $hex in optimized_1_marker \\(\\).*" \
  75         "continue to optimized"
  76
  77 gdb_test "backtrace 10" \
  78         "#0\[ \t\]*$hex in optimized_1_marker.*\r\n#1\[ \t\]*$hex in optimized_1.*\r\n#2\[ \t\]*$hex in main.*" \
  79         "backtrace in optimized marker"
  80
  81 gdb_test "finish" ".*$hex in optimized_1 .*" "finish from optimized"
  82
  83 gdb_test "backtrace 10" \
  84         "#0\[ \t\]*$hex in optimized_1 .*\r\n#1\[ \t\]*$hex in main.*" \
  85         "backtrace in optimized"
  86
  87 gdb_test "info frame" \
  88         ".*Saved registers:.*r30 at.*pc at.*lr at.*" \
  89         "saved registers in optimized"