gdb/testsuite/gdb.base/jit-so.exp

   1 # Copyright 2011 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 # The same tests as in jit.exp, but loading JITer itself from a shared
  17 # library.
  18
  19 if $tracelevel {
  20     strace $tracelevel
  21 }
  22
  23 if {[skip_shlib_tests]} {
  24     untested jit-so.exp
  25     return -1
  26 }
  27
  28 if {[get_compiler_info not-used]} {
  29     warning "Could not get compiler info"
  30     untested jit-so.exp
  31     return 1
  32 }
  33
  34 #
  35 # test running programs
  36 #
  37
  38 set testfile jit-dlmain
  39 set srcfile ${testfile}.c
  40 set binfile ${objdir}/${subdir}/${testfile}
  41 if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug shlib_load}] != "" } {
  42     untested jit-so.exp
  43     return -1
  44 }
  45
  46 set testfile2 jit-main
  47 set srcfile2 ${testfile2}.c
  48 set binfile2 ${objdir}/${subdir}/${testfile2}.so
  49 set binfile2_dlopen [shlib_target_file ${testfile2}.so]
  50 if { [gdb_compile_shlib "${srcdir}/${subdir}/${srcfile2}" ${binfile2} {debug additional_flags="-DMAIN=jit_dl_main"}] != "" } {
  51     untested jit.exp
  52     return -1
  53 }
  54
  55 set solib_testfile "jit-solib"
  56 set solib_srcfile "${srcdir}/${subdir}/${solib_testfile}.c"
  57 set solib_binfile "${objdir}/${subdir}/${solib_testfile}.so"
  58 set solib_binfile_test_msg "SHLIBDIR/${solib_testfile}.so"
  59
  60 # Note: compiling without debug info: the library goes through symbol
  61 # renaming by munging on its symbol table, and that wouldn't work for .debug
  62 # sections.  Also, output for "info function" changes when debug info is resent.
  63 if { [gdb_compile_shlib ${solib_srcfile} ${solib_binfile} {}] != "" } {
  64     untested jit-so.exp
  65     return -1
  66 }
  67
  68 set solib_binfile_target [gdb_download ${solib_binfile}]
  69
  70 proc one_jit_test {count match_str} {
  71     global verbose testfile srcfile2 binfile2 binfile2_dlopen solib_binfile_target solib_binfile_test_msg pf_prefix
  72
  73     set old_pf_prefix $pf_prefix
  74     set pf_prefix "one_jit_test-$count"
  75
  76     clean_restart $testfile
  77     gdb_load_shlibs $binfile2
  78
  79     # This is just to help debugging when things fail
  80     if {$verbose > 0} {
  81         gdb_test "set debug jit 1"
  82     }
  83
  84     if { ![runto_main] } {
  85         fail "Can't run to main"
  86         return
  87     }
  88
  89     gdb_breakpoint [gdb_get_line_number "break here before-dlopen" ]
  90     gdb_continue_to_breakpoint "break here before-dlopen"
  91     # Poke desired values directly into inferior instead of using "set args"
  92     # because "set args" does not work under gdbserver.
  93     gdb_test_no_output "set var jit_libname = \"$binfile2_dlopen\""
  94
  95     gdb_breakpoint [gdb_get_line_number "break here after-dlopen" ]
  96     gdb_continue_to_breakpoint "break here after-dlopen"
  97
  98     gdb_breakpoint "$srcfile2:[gdb_get_line_number {break here 0} $srcfile2]"
  99     gdb_continue_to_breakpoint "break here 0"
 100
 101     gdb_test_no_output "set var argc = 2"
 102     gdb_test_no_output "set var libname = \"$solib_binfile_target\"" "set var libname = \"$solib_binfile_test_msg\""
 103     gdb_test_no_output "set var count = $count"
 104
 105     gdb_breakpoint "$srcfile2:[gdb_get_line_number {break here 1} $srcfile2]"
 106     gdb_continue_to_breakpoint "break here 1"
 107
 108     gdb_test "info function jit_function" "$match_str"
 109
 110     # This is just to help debugging when things fail
 111     if {$verbose > 0} {
 112         gdb_test "maintenance print objfiles"
 113         gdb_test "maintenance info break"
 114     }
 115
 116     gdb_breakpoint "$srcfile2:[gdb_get_line_number {break here 2} $srcfile2]"
 117     gdb_continue_to_breakpoint "break here 2"
 118     # All jit librares must have been unregistered
 119     gdb_test "info function jit_function" \
 120         "All functions matching regular expression \"jit_function\":"
 121     set pf_prefix $old_pf_prefix
 122 }
 123
 124 one_jit_test 1 "${hex}  jit_function_0000"
 125 one_jit_test 2 "${hex}  jit_function_0000\[\r\n\]+${hex}  jit_function_0001"