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py-arch-reg-names.exp revision 1.1.1.1 
      1 # Copyright 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 # Check the gdb.Architecture.registers functionality.
     17 
     18 load_lib gdb-python.exp
     19 standard_testfile py-arch.c
     20 
     21 if { [prepare_for_testing "failed to prepare" ${testfile} ${srcfile}] } {
     22     return -1
     23 }
     24 
     25 # Skip all tests if Python scripting is not enabled.
     26 if { [skip_python_tests] } { continue }
     27 
     28 if ![runto_main] {
     29    return -1
     30 }
     31 
     32 # First, use 'info registers' to get a list of register names.
     33 set regs {}
     34 gdb_test_multiple "info registers general" "info registers general" {
     35     -re "^info registers general\r\n" {
     36 	exp_continue
     37     }
     38     -re "^(\[^ \t\]+)\[ \t\]+\[^\r\n\]+\r\n" {
     39 	set reg $expect_out(1,string)
     40 	lappend regs $reg
     41 	exp_continue
     42     }
     43     -re "^$gdb_prompt " {
     44     }
     45 }
     46 gdb_assert {[llength $regs] > 0} \
     47     "Found at least one register"
     48 
     49 # Now get the same register names using Python API.
     50 gdb_py_test_silent_cmd \
     51     "python frame = gdb.selected_frame()" "get frame" 0
     52 gdb_py_test_silent_cmd \
     53     "python arch = frame.architecture()" "get arch" 0
     54 gdb_py_test_silent_cmd \
     55     "python regs = list (arch.registers (\"general\"))" \
     56     "get general registers" 0
     57 gdb_py_test_silent_cmd \
     58     "python regs = map (lambda r : r.name, regs)" \
     59     "get names of general registers" 0
     60 
     61 set py_regs {}
     62 gdb_test_multiple "python print (\"\\n\".join (regs))" \
     63     "general register from python" {
     64 	-re "^python print \[^\r\n\]+\r\n" {
     65 	    exp_continue
     66 	}
     67 	-re "^(\[^\r\n\]+)\r\n" {
     68 	    set reg $expect_out(1,string)
     69 	    lappend py_regs $reg
     70 	    exp_continue
     71 	}
     72 	-re "^$gdb_prompt " {
     73 	}
     74     }
     75 
     76 gdb_assert {[llength $py_regs] > 0} \
     77     "Found at least one register from python"
     78 gdb_assert {[llength $py_regs] == [llength $regs]} \
     79     "Same numnber of registers found"
     80 
     81 set found_non_match 0
     82 for { set i 0 } { $i < [llength $regs] } { incr i } {
     83     if {[lindex $regs $i] != [lindex $py_regs $i]} {
     84 	set found_non_match 1
     85     }
     86 }
     87 gdb_assert { $found_non_match == 0 } "all registers match"
     88 
     89 # Check that we get the same register descriptors from two different
     90 # iterators.
     91 gdb_py_test_silent_cmd \
     92     "python iter1 = arch.registers ()" \
     93     "get first all register iterator" 0
     94 gdb_py_test_silent_cmd \
     95     "python iter2 = arch.registers ()" \
     96     "get second all register iterator" 0
     97 gdb_py_test_silent_cmd \
     98     [multi_line_input \
     99 	 "python" \
    100 	 "for r1, r2 in zip(iter1, iter2):" \
    101 	 "  if (r1.name != r2.name):"\
    102 	 "    raise gdb.GdbError (\"miss-matched names\")" \
    103 	 "  if (r1 != r2):" \
    104 	 "    raise gdb.GdbError (\"miss-matched objects\")" \
    105 	 "\004" ] \
    106     "check names and objects match" 1
    107 
    108 # Ensure that the '.find' method on the iterator returns the same
    109 # Python object as we got from the iterator's list of descriptors.
    110 gdb_py_test_silent_cmd \
    111     [multi_line \
    112 	 "python" \
    113 	 "def check_regs (arch, regs):" \
    114 	 "   for r in (regs):" \
    115 	 "     if (arch.registers ().find (r.name) != r):" \
    116 	 "       raise gdb.GdbError (\"object miss-match\")" \
    117 	 "end" ] \
    118     "build check_obj function" 0
    119 gdb_py_test_silent_cmd \
    120     "python check_regs (arch, arch.registers (\"general\"))" \
    121     "ensure find gets expected descriptors" 1
    122