gdb/testsuite/gdb.python/py-arch-reg-names.exp

   1 # Copyright 2020-2024 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 # Check the gdb.Architecture.registers functionality.
  17
  18 load_lib gdb-python.exp
  19 require allow_python_tests
  20 standard_testfile py-arch.c
  21
  22 if { [prepare_for_testing "failed to prepare" ${testfile} ${srcfile}] } {
  23     return -1
  24 }
  25
  26 if ![runto_main] {
  27    return -1
  28 }
  29
  30 # First, use 'info registers' to get a list of register names.
  31 set regs {}
  32 gdb_test_multiple "info registers general" "info registers general" {
  33     -re "^info registers general\r\n" {
  34         exp_continue
  35     }
  36     -re "^(\[^ \t\]+)\[ \t\]+\[^\r\n\]+\r\n" {
  37         set reg $expect_out(1,string)
  38         lappend regs $reg
  39         exp_continue
  40     }
  41     -re "^$gdb_prompt " {
  42     }
  43 }
  44 gdb_assert {[llength $regs] > 0} \
  45     "Found at least one register"
  46
  47 # Now get the same register names using Python API.
  48 gdb_py_test_silent_cmd \
  49     "python frame = gdb.selected_frame()" "get frame" 0
  50 gdb_py_test_silent_cmd \
  51     "python arch = frame.architecture()" "get arch" 0
  52 gdb_py_test_silent_cmd \
  53     "python regs = list (arch.registers (\"general\"))" \
  54     "get general registers" 0
  55 gdb_py_test_silent_cmd \
  56     "python regs = map (lambda r : r.name, regs)" \
  57     "get names of general registers" 0
  58
  59 set py_regs {}
  60 gdb_test_multiple "python print (\"\\n\".join (regs))" \
  61     "general register from python" {
  62         -re "^python print \[^\r\n\]+\r\n" {
  63             exp_continue
  64         }
  65         -re "^(\[^\r\n\]+)\r\n" {
  66             set reg $expect_out(1,string)
  67             lappend py_regs $reg
  68             exp_continue
  69         }
  70         -re "^$gdb_prompt " {
  71         }
  72     }
  73
  74 gdb_assert {[llength $py_regs] > 0} \
  75     "Found at least one register from python"
  76 gdb_assert {[llength $py_regs] == [llength $regs]} \
  77     "Same numnber of registers found"
  78
  79 set found_non_match 0
  80 for { set i 0 } { $i < [llength $regs] } { incr i } {
  81     if {[lindex $regs $i] != [lindex $py_regs $i]} {
  82         set found_non_match 1
  83     }
  84 }
  85 gdb_assert { $found_non_match == 0 } "all registers match"
  86
  87 # Check that we get the same register descriptors from two different
  88 # iterators.
  89 gdb_py_test_silent_cmd \
  90     "python iter1 = arch.registers ()" \
  91     "get first all register iterator" 0
  92 gdb_py_test_silent_cmd \
  93     "python iter2 = arch.registers ()" \
  94     "get second all register iterator" 0
  95 gdb_py_test_silent_cmd \
  96     [multi_line_input \
  97          "python" \
  98          "for r1, r2 in zip(iter1, iter2):" \
  99          "  if (r1.name != r2.name):"\
 100          "    raise gdb.GdbError (\"miss-matched names\")" \
 101          "  if (r1 != r2):" \
 102          "    raise gdb.GdbError (\"miss-matched objects\")" \
 103          "end" ] \
 104     "check names and objects match" 1
 105
 106 # Ensure that the '.find' method on the iterator returns the same
 107 # Python object as we got from the iterator's list of descriptors.
 108 gdb_py_test_silent_cmd \
 109     [multi_line \
 110          "python" \
 111          "def check_regs (arch, regs):" \
 112          "   for r in (regs):" \
 113          "     if (arch.registers ().find (r.name) != r):" \
 114          "       raise gdb.GdbError (\"object miss-match\")" \
 115          "end" ] \
 116     "build check_obj function" 0
 117 gdb_py_test_silent_cmd \
 118     "python check_regs (arch, arch.registers (\"general\"))" \
 119     "ensure find gets expected descriptors" 1