gdb/testsuite/gdb.tui/tui-layout-asm-short-prog.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 # Ensure that 'layout asm' can scroll away from the last line of a
  17 # very short program using a page up sized scroll.
  18
  19 tuiterm_env
  20
  21 standard_testfile tui-layout-asm-short-prog.S
  22
  23 if {[build_executable "failed to prepare" ${testfile} ${srcfile} \
  24          {debug additional_flags=-nostdlib \
  25               additional_flags=-nostartfiles}] == -1} {
  26     return -1
  27 }
  28
  29 Term::clean_restart 24 80 $testfile
  30 if {![Term::prepare_for_tui]} {
  31     unsupported "TUI not supported"
  32     return
  33 }
  34
  35 if { $gdb_file_cmd_debug_info == "nodebug" } {
  36     unsupported "no debug info"
  37     return
  38 }
  39
  40 # Show the left margin using tui-left-margin-verbose.
  41 gdb_test_no_output "maint set tui-left-margin-verbose on"
  42
  43 # This puts us into TUI mode, and should display the ASM window.
  44 Term::command_no_prompt_prefix "layout asm"
  45 Term::check_box_contents "check asm box contents" 0 0 80 15 "<_start>"
  46
  47 # Record the first line of output, we'll need this later.
  48 set first_line [Term::get_line 1]
  49
  50 # Check that the left margin contains three underscores.
  51 gdb_assert { [string match "|___0x*" $first_line] } \
  52     "check verbose left margin"
  53
  54 # Scroll forward a large amount, this should take us to the last
  55 # instruction in the program.
  56 Term::command "+ 13"
  57 Term::check_box_contents "check asm box contents again" 0 0 80 15 \
  58     [multi_line \
  59          "^___$hex\[^\r\n\]+" \
  60          "___\\s+"]
  61
  62 # Now scroll backward again, we should return to the start of the
  63 # program.
  64 Term::command "- 13"
  65 gdb_assert {[string eq "$first_line" [Term::get_line 1]]} \
  66     "check first line is back"