gdb/testsuite/gdb.base/jit.exp

   1 # Copyright 2011-2013 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 #
  28 # test running programs
  29 #
  30
  31 proc compile_jit_test {testname options} {
  32     global testfile srcfile binfile srcdir subdir
  33     global solib_testfile solib_srcfile solib_binfile solib_binfile_test_msg
  34     global solib_binfile_target
  35
  36     set testfile jit-main
  37     set srcfile ${testfile}.c
  38     set binfile [standard_output_file $testfile]
  39     if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" \
  40               executable [concat debug $options]] != "" } {
  41         untested $testname
  42         return -1
  43     }
  44
  45     set solib_testfile "jit-solib"
  46     set solib_srcfile "${srcdir}/${subdir}/${solib_testfile}.c"
  47     set solib_binfile [standard_output_file ${solib_testfile}.so]
  48     set solib_binfile_test_msg "SHLIBDIR/${solib_testfile}.so"
  49
  50     # Note: compiling without debug info: the library goes through
  51     # symbol renaming by munging on its symbol table, and that
  52     # wouldn't work for .debug sections.  Also, output for "info
  53     # function" changes when debug info is present.
  54     if { [gdb_compile_shlib ${solib_srcfile} ${solib_binfile} {-fPIC}] != "" } {
  55         untested $testname
  56         return -1
  57     }
  58
  59     set solib_binfile_target [gdb_download ${solib_binfile}]
  60
  61     return 0
  62 }
  63
  64 proc one_jit_test {count match_str} { with_test_prefix "one_jit_test-$count" {
  65     global verbose testfile solib_binfile_target solib_binfile_test_msg
  66
  67     clean_restart $testfile
  68
  69     # This is just to help debugging when things fail
  70     if {$verbose > 0} {
  71         gdb_test "set debug jit 1"
  72     }
  73
  74     if { ![runto_main] } {
  75         fail "Can't run to main"
  76         return
  77     }
  78
  79     gdb_breakpoint [gdb_get_line_number "break here 0"]
  80     gdb_continue_to_breakpoint "break here 0"
  81
  82     # Poke desired values directly into inferior instead of using "set args"
  83     # because "set args" does not work under gdbserver.
  84     gdb_test_no_output "set var argc = 2"
  85     gdb_test_no_output "set var libname = \"$solib_binfile_target\"" "set var libname = \"$solib_binfile_test_msg\""
  86     gdb_test_no_output "set var count = $count"
  87
  88     gdb_breakpoint [gdb_get_line_number "break here 1"]
  89     gdb_continue_to_breakpoint "break here 1"
  90
  91     gdb_test "info function jit_function" "$match_str"
  92
  93     # This is just to help debugging when things fail
  94     if {$verbose > 0} {
  95         gdb_test "maintenance print objfiles"
  96         gdb_test "maintenance info break"
  97     }
  98
  99     gdb_breakpoint [gdb_get_line_number "break here 2"]
 100     gdb_continue_to_breakpoint "break here 2"
 101     # All jit librares must have been unregistered
 102     gdb_test "info function jit_function" \
 103         "All functions matching regular expression \"jit_function\":"
 104 }}
 105
 106 if {[compile_jit_test jit.exp {}] < 0} {
 107     return
 108 }
 109 one_jit_test 1 "${hex}  jit_function_0000"
 110 one_jit_test 2 "${hex}  jit_function_0000\[\r\n\]+${hex}  jit_function_0001"
 111
 112 with_test_prefix PIE {
 113     if {[compile_jit_test "jit.exp PIE tests" \
 114              {additional_flags=-fPIE ldflags=-pie}] < 0} {
 115         return
 116     }
 117
 118     one_jit_test 1 "${hex}  jit_function_0000"
 119 }