gdb/testsuite/gdb.dap/insn-bp.exp

# Copyright 2024-2025 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/>.

# Test instruction breakpoint resolution.

require allow_dap_tests

load_lib dap-support.exp

standard_testfile basic-dap.c

if {[build_executable ${testfile}.exp $testfile $srcfile] == -1} {
    return
}

# Get the address of a function.  Make sure the inferior is running
# first -- on the ARM builder, the function address changed during
# startup, and we want to find the final relocated address.
clean_restart $testfile
if {![runto_main]} {
    return
}
set addr [get_var_address address_breakpoint_here]
gdb_exit

if {[dap_initialize] == ""} {
    return
}

set launch_id [dap_launch $testfile]

set obj [dap_check_request_and_response "set breakpoint on main" \
	     setFunctionBreakpoints \
	     {o breakpoints [a [o name [s main]]]}]
set fn_bpno [dap_get_breakpoint_number $obj]

set obj [dap_check_request_and_response "set breakpoint by address" \
	     setInstructionBreakpoints \
	     [format {o breakpoints [a [o instructionReference [s %s]]]} \
		  $addr]]
set bpno [dap_get_breakpoint_number $obj]

set bp [lindex [dict get [lindex $obj 0] body breakpoints] 0]
gdb_assert {[dict get $bp verified] == "false"} \
    "breakpoint is not verified"

dap_check_request_and_response "configurationDone" configurationDone

# The event we're looking for should occur during startup, but we want
# to leave open the possibility that it occurs when waiting for the
# stopped event.  So, keep all event lists around and search them
# once below.
lassign [dap_check_response "launch response" launch $launch_id] \
    unused objs0
lassign [dap_wait_for_event_and_check "inferior started" \
	     thread "body reason" started] \
    unused objs1
lassign [dap_wait_for_event_and_check "stopped at breakpoint" stopped \
	    "body reason" breakpoint \
	    "body hitBreakpointIds" $fn_bpno] unused objs2

set found_bp_event 0
foreach obj [concat $objs0 $objs1 $objs2] {
    if { [dict get $obj "type"] != "event" } {
	continue
    }

    if { [dict get $obj "event"] != "breakpoint" } {
	continue
    }

    set body [dict get $obj "body"]

    if { [dict get $body "reason"] != "changed" } {
	continue
    }

    set breakpoint [dict get $body breakpoint]
    if {[dict get $breakpoint id] == $bpno} {
	gdb_assert {[dict get $breakpoint source name] == "basic-dap.c"} \
	    "breakpoint modification event has source"
	set found_bp_event 1
    }
}

gdb_assert {$found_bp_event} "found the breakpoint event"

dap_shutdown