gdb/testsuite/gdb.guile/scm-frame.exp

   1 # Copyright (C) 2009-2022 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 # This file is part of the GDB testsuite.
  17 # It tests the frame support in Guile.
  18
  19 load_lib gdb-guile.exp
  20
  21 standard_testfile
  22
  23 if { [prepare_for_testing "failed to prepare" ${testfile} ${srcfile}] } {
  24     return -1
  25 }
  26
  27 # Skip all tests if Guile scripting is not enabled.
  28 if { [skip_guile_tests] } { continue }
  29
  30 # The following tests require execution.
  31
  32 if ![gdb_guile_runto_main] {
  33     return
  34 }
  35
  36 gdb_breakpoint [gdb_get_line_number "Block break here."]
  37 gdb_continue_to_breakpoint "Block break here."
  38 gdb_scm_test_silent_cmd "guile (define bf1 (selected-frame))" \
  39     "get frame"
  40
  41 # Test frame-architecture method.
  42 gdb_scm_test_silent_cmd "guile (define show-arch-str (execute \"show architecture\" #:to-string #t))" \
  43     "show arch"
  44 gdb_test "guile (print (->bool (string-contains show-arch-str (arch-name (frame-arch bf1)))))" \
  45     "#t" "test frame-arch"
  46
  47 # First test that read-var is unaffected by PR 11036 changes.
  48 gdb_test "guile (print (frame-read-var bf1 \"i\"))" \
  49     "\"stuff\"" "test i"
  50 gdb_test "guile (print (frame-read-var bf1 \"f\"))" \
  51     "\"foo\"" "test f"
  52 gdb_test "guile (print (frame-read-var bf1 \"b\"))" \
  53     "\"bar\"" "test b"
  54
  55 # Test the read-var function in another block other than the current
  56 # block (in this case, the super block). Test thar read-var is reading
  57 # the correct variables of i and f but they are the correct value and type.
  58 gdb_scm_test_silent_cmd "guile (define sb (block-superblock (frame-block bf1)))" \
  59     "get superblock"
  60 gdb_test "guile (print (frame-read-var bf1 \"i\" #:block sb))" "1.1.*" \
  61     "test i = 1.1"
  62 gdb_test "guile (print (value-type (frame-read-var bf1 \"i\" #:block sb)))" \
  63     "double" "test double i"
  64 gdb_test "guile (print (frame-read-var bf1 \"f\" #:block sb))" \
  65     "2.2.*" "test f = 2.2"
  66 gdb_test "guile (print (value-type (frame-read-var bf1 \"f\" #:block sb)))" \
  67     "double" "test double f"
  68
  69 # And again test another outerblock, this time testing "i" is the
  70 # correct value and type.
  71 gdb_scm_test_silent_cmd "guile (set! sb (block-superblock sb))" \
  72     "get superblock #2"
  73 gdb_test "guile (print (frame-read-var bf1 \"i\" #:block sb))" \
  74     "99" "test i = 99"
  75 gdb_test "guile (print (value-type (frame-read-var bf1 \"i\" #:block sb)))" \
  76     "int" "test int i"
  77
  78 gdb_breakpoint "f2"
  79 gdb_continue_to_breakpoint "breakpoint at f2"
  80 gdb_scm_test_silent_cmd "guile (define bframe (selected-frame))" \
  81     "get bottom-most frame"
  82 gdb_test "up" ".*" ""
  83
  84 gdb_scm_test_silent_cmd "guile (define f1 (selected-frame))" \
  85 "get second frame"
  86 gdb_scm_test_silent_cmd "guile (define f0 (frame-newer f1))" \
  87     "get first frame"
  88
  89 gdb_test "guile (print (eq? f1 (newest-frame)))" \
  90     #f "selected frame -vs- newest frame"
  91 gdb_test "guile (print (eq? bframe (newest-frame)))" \
  92     #t "newest frame -vs- newest frame"
  93
  94 gdb_test "guile (print (eq? f0 f1))" \
  95     "#f" "test equality comparison (false)"
  96 gdb_test "guile (print (eq? f0 f0))" \
  97     "#t" "test equality comparison (true)"
  98 gdb_test "guile (print (frame-valid? f0))" \
  99     "#t" "test frame-valid?"
 100 gdb_test "guile (print (frame-name f0))" \
 101     "f2" "test frame-name"
 102 gdb_test "guile (print (= (frame-type f0) NORMAL_FRAME))" \
 103     "#t" "test frame-type"
 104 gdb_test "guile (print (= (frame-unwind-stop-reason f0) FRAME_UNWIND_NO_REASON))" \
 105     "#t" "test frame-unwind-stop-reason"
 106 gdb_test "guile (print (unwind-stop-reason-string FRAME_UNWIND_INNER_ID))" \
 107     "previous frame inner to this frame \\(corrupt stack\\?\\)" \
 108     "test unwind-stop-reason-string"
 109 gdb_test "guile (print (format #f \"= ~A\" (frame-pc f0)))" \
 110     "= \[0-9\]+" "test frame-pc"
 111 gdb_test "guile (print (format #f \"= ~A\" (eq? (frame-older f0) f1)))" \
 112     "= #t" "test frame-older"
 113 gdb_test "guile (print (format #f \"= ~A\" (eq? (frame-newer f1) f0)))" \
 114     "= #t" "test frame-newer"
 115 gdb_test "guile (print (frame-read-var f0 \"variable_which_surely_doesnt_exist\"))" \
 116   "ERROR: .*: Out of range: variable not found: \"variable_which_surely_doesnt_exist\".*" \
 117   "test frame-read-var - error"
 118 gdb_test "guile (print (format #f \"= ~A\" (frame-read-var f0 \"a\")))" \
 119     "= 1" "test frame-read-var - success"
 120
 121 gdb_test "guile (print (format #f \"= ~A\" (eq? (selected-frame) f1)))" \
 122     "= #t" "test selected-frame"
 123
 124 # Can read SP register.
 125 gdb_test "guile (print (equal? (frame-read-register (selected-frame) \"sp\") (parse-and-eval \"\$sp\")))" \
 126   "= #t" "test frame-read-register of sp"
 127
 128 # PC value obtained via read_register is as expected.
 129 gdb_test "guile (print (equal? (value->integer (frame-read-register f0 \"pc\")) (frame-pc f0)))" \
 130   "= #t" "test frame-read-register of pc"
 131
 132 # Test arch-specific register name.
 133 set pc ""
 134 if {[is_amd64_regs_target]} {
 135     set pc "rip"
 136 } elseif {[is_x86_like_target]} {
 137     set pc "eip"
 138 }
 139 if { $pc != "" } {
 140     gdb_test "guile (print (equal? (frame-read-register f0 \"pc\") (frame-read-register f0 \"$pc\")))" \
 141         "= #t" "test frame-read-register of $pc"
 142 }