gdb/testsuite/gdb.base/jit.exp

   1 # Copyright 2011-2016 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 if {[skip_shlib_tests]} {
  17     untested jit.exp
  18     return -1
  19 }
  20
  21 if {[get_compiler_info]} {
  22     warning "Could not get compiler info"
  23     untested jit.exp
  24     return 1
  25 }
  26
  27 # Compile the testcase program and library.  BINSUFFIX is the suffix
  28 # to append to the program and library filenames, to make them unique
  29 # between invocations.  OPTIONS is passed to gdb_compile when
  30 # compiling the program.
  31
  32 proc compile_jit_test {testname binsuffix options} {
  33     global testfile srcfile binfile srcdir subdir
  34     global solib_testfile solib_srcfile solib_binfile solib_binfile_test_msg
  35     global solib_binfile_target
  36
  37     set testfile jit-main
  38     set srcfile ${testfile}.c
  39     set binfile [standard_output_file $testfile$binsuffix]
  40     if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" \
  41               executable [concat debug $options]] != "" } {
  42         untested $testname
  43         return -1
  44     }
  45
  46     set solib_testfile "jit-solib"
  47     set solib_srcfile "${srcdir}/${subdir}/${solib_testfile}.c"
  48     set solib_binfile [standard_output_file ${solib_testfile}$binsuffix.so]
  49     set solib_binfile_test_msg "SHLIBDIR/${solib_testfile}$binsuffix.so"
  50
  51     # Note: compiling without debug info: the library goes through
  52     # symbol renaming by munging on its symbol table, and that
  53     # wouldn't work for .debug sections.  Also, output for "info
  54     # function" changes when debug info is present.
  55     if { [gdb_compile_shlib ${solib_srcfile} ${solib_binfile} {-fPIC}] != "" } {
  56         untested $testname
  57         return -1
  58     }
  59
  60     if {[is_remote target]} {
  61         set solib_binfile_target [gdb_download ${solib_binfile}]
  62     } else {
  63         set solib_binfile_target $solib_binfile
  64     }
  65
  66     return 0
  67 }
  68
  69 proc one_jit_test {count match_str} {
  70     with_test_prefix "one_jit_test-$count" {
  71         global verbose testfile solib_binfile_target solib_binfile_test_msg
  72
  73         clean_restart $testfile
  74
  75         # This is just to help debugging when things fail
  76         if {$verbose > 0} {
  77             gdb_test "set debug jit 1"
  78         }
  79
  80         if { ![runto_main] } {
  81             fail "Can't run to main"
  82             return
  83         }
  84
  85         gdb_breakpoint [gdb_get_line_number "break here 0"]
  86         gdb_continue_to_breakpoint "break here 0"
  87
  88         # Poke desired values directly into inferior instead of using "set args"
  89         # because "set args" does not work under gdbserver.
  90         gdb_test_no_output "set var argc = 2"
  91         gdb_test_no_output "set var libname = \"$solib_binfile_target\"" "set var libname = \"$solib_binfile_test_msg\""
  92         gdb_test_no_output "set var count = $count"
  93
  94         gdb_breakpoint [gdb_get_line_number "break here 1"]
  95         gdb_continue_to_breakpoint "break here 1"
  96
  97         gdb_test "info function ^jit_function" "$match_str"
  98
  99         # This is just to help debugging when things fail
 100         if {$verbose > 0} {
 101             gdb_test "maintenance print objfiles"
 102             gdb_test "maintenance info break"
 103         }
 104
 105         gdb_breakpoint [gdb_get_line_number "break here 2"]
 106         gdb_continue_to_breakpoint "break here 2"
 107         # All jit librares must have been unregistered
 108         gdb_test "info function jit_function" \
 109             "All functions matching regular expression \"jit_function\":"
 110     }
 111 }
 112
 113 if {[compile_jit_test jit.exp "" {}] < 0} {
 114     return
 115 }
 116 one_jit_test 1 "${hex}  jit_function_0000"
 117 one_jit_test 2 "${hex}  jit_function_0000\[\r\n\]+${hex}  jit_function_0001"
 118
 119 with_test_prefix PIE {
 120     if {[compile_jit_test "jit.exp PIE tests" \
 121              "-pie" {additional_flags=-fPIE ldflags=-pie}] < 0} {
 122         return
 123     }
 124
 125     one_jit_test 1 "${hex}  jit_function_0000"
 126 }