gdb/testsuite/gdb.base/consecutive.exp

#   Copyright 2001-2021 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/>.

# This file was written by Michael Snyder. (msnyder@redhat.com)

#
# Test breakpoints at consecutive instruction addresses.
#


standard_testfile

if [get_compiler_info] {
    return -1
}

if {[prepare_for_testing "failed to prepare" $testfile $srcfile {debug nowarnings}]} {
    return -1
}

if ![runto_main] then {
    perror "couldn't run to breakpoint"
    continue
}

set is_stmt [is_stmt_addresses $srcfile]

set nl "\[\r\n\]+"

gdb_breakpoint foo
gdb_test "continue" "Breakpoint $decimal, foo .*" \
	"continue to breakpoint in foo"

set bp_addr 0
set stop_addr 0

gdb_test_multiple "x /2i \$pc" "get breakpoint address for foo" {
    -re "=> $hex.*${nl}   ($hex).*$gdb_prompt $" {
	set bp_addr $expect_out(1,string)
	pass "get breakpoint address for foo"
    }
}

gdb_test "break \*$bp_addr" "Breakpoint $decimal at $bp_addr: file .*" \
	"set bp, 2nd instr"

gdb_test_multiple "step" "stopped at bp, 2nd instr" {
    -re -wrap "Breakpoint $decimal, ($hex) in foo.*" {
	set stop_addr $expect_out(1,string)
	if [eval expr "$bp_addr == $stop_addr"] then {
	    pass "stopped at bp, 2nd instr"
	} else {
	    fail "stopped at bp, 2nd instr (wrong address)"
	}
    }
    -re -wrap "Breakpoint $decimal, foo.*" {
	set stop_addr [get_valueof "/x" "\$pc" "" "value of pc"]
	set stop_addr_is_stmt [hex_in_list $stop_addr $is_stmt]
	if { ! $stop_addr_is_stmt } {
	    fail "stopped at bp, 2nd instr (missing hex prefix)"
	} elseif [eval expr "$bp_addr == $stop_addr"] then {
	    pass "stopped at bp, 2nd instr"
	} else {
	    fail "stopped at bp, 2nd instr (wrong address)"
	}
    }
}