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# Copyright 2010-2021 Free Software Foundation, Inc.
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
# Please email any bugs, comments, and/or additions to this file to:
# bug-gdb@gnu.org
# This file is part of the gdb testsuite.
if {(![istarget "x86_64-*-*"] && ![istarget "i?86-*-*"])} then {
verbose "Skipping i386 byte register tests."
return
}
standard_testfile i386-pseudo.c
if [get_compiler_info] {
return -1
}
if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable [list debug]] != "" } {
untested "failed to compile"
return
}
clean_restart ${binfile}
if ![runto_main] then {
fail "can't run to main"
return 0
}
set byte_regs(1) al
set byte_regs(2) bl
set byte_regs(3) cl
set byte_regs(4) dl
set byte_regs(5) ah
set byte_regs(6) bh
set byte_regs(7) ch
set byte_regs(8) dh
gdb_breakpoint [gdb_get_line_number "first breakpoint here"]
gdb_continue_to_breakpoint "continue to first breakpoint in main"
with_test_prefix "at first bp" {
for { set r 1 } { $r <= 4 } { incr r } {
gdb_test "print/x \$$byte_regs($r)" \
".. = 0x[format %x $r]1" \
"check contents of %$byte_regs($r)"
set h [expr $r + 4]
gdb_test "print/x \$$byte_regs($h)" \
".. = 0x[format %x $r]2" \
"check contents of %$byte_regs($h)"
}
for { set r 1 } { $r <= 4 } { incr r } {
gdb_test "set var \$$byte_regs($r) = $r" "" "set %$byte_regs($r)"
set h [expr $r + 4]
gdb_test "set var \$$byte_regs($h) = $h" "" "set %$byte_regs($h)"
}
}
gdb_breakpoint [gdb_get_line_number "second breakpoint here"]
gdb_continue_to_breakpoint "continue to second breakpoint in main"
with_test_prefix "at second bp" {
for { set r 1 } { $r <= 4 } { incr r } {
gdb_test "print \$$byte_regs($r)" \
".. = $r" \
"check contents of %$byte_regs($r)"
set h [expr $r + 4]
gdb_test "print \$$byte_regs($h)" \
".. = $h" \
"check contents of %$byte_regs($h)"
}
}
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