1# Copyright 2010-2019 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# Please email any bugs, comments, and/or additions to this file to: 17# bug-gdb@gnu.org 18 19# This file is part of the gdb testsuite. 20 21 22if {(![istarget "x86_64-*-*"] && ![istarget "i?86-*-*"])} then { 23 verbose "Skipping i386 byte register tests." 24 return 25} 26 27standard_testfile i386-pseudo.c 28 29if [get_compiler_info] { 30 return -1 31} 32 33if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable [list debug]] != "" } { 34 untested "failed to compile" 35 return 36} 37 38clean_restart ${binfile} 39 40if ![runto_main] then { 41 fail "can't run to main" 42 return 0 43} 44 45set byte_regs(1) al 46set byte_regs(2) bl 47set byte_regs(3) cl 48set byte_regs(4) dl 49set byte_regs(5) ah 50set byte_regs(6) bh 51set byte_regs(7) ch 52set byte_regs(8) dh 53 54gdb_test "break [gdb_get_line_number "first breakpoint here"]" \ 55 "Breakpoint .* at .*${srcfile}.*" \ 56 "set first breakpoint in main" 57gdb_continue_to_breakpoint "continue to first breakpoint in main" 58 59for { set r 1 } { $r <= 4 } { incr r } { 60 gdb_test "print/x \$$byte_regs($r)" \ 61 ".. = 0x[format %x $r]1" \ 62 "check contents of %$byte_regs($r)" 63 set h [expr $r + 4] 64 gdb_test "print/x \$$byte_regs($h)" \ 65 ".. = 0x[format %x $r]2" \ 66 "check contents of %$byte_regs($h)" 67} 68 69for { set r 1 } { $r <= 4 } { incr r } { 70 gdb_test "set var \$$byte_regs($r) = $r" "" "set %$byte_regs($r)" 71 set h [expr $r + 4] 72 gdb_test "set var \$$byte_regs($h) = $h" "" "set %$byte_regs($h)" 73} 74 75gdb_test "break [gdb_get_line_number "second breakpoint here"]" \ 76 "Breakpoint .* at .*${srcfile}.*" \ 77 "set second breakpoint in main" 78gdb_continue_to_breakpoint "continue to second breakpoint in main" 79 80for { set r 1 } { $r <= 4 } { incr r } { 81 gdb_test "print \$$byte_regs($r)" \ 82 ".. = $r" \ 83 "check contents of %$byte_regs($r)" 84 set h [expr $r + 4] 85 gdb_test "print \$$byte_regs($h)" \ 86 ".. = $h" \ 87 "check contents of %$byte_regs($h)" 88} 89