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# Copyright 1997-2022 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@cygnus.com)
#
# test running programs
#
set data_overlays 1
if [istarget "m32r-*-*"] then {
set linker_script "${srcdir}/${subdir}/m32r.ld"
} else {
verbose "Skipping overlay test -- not implemented for this target."
return
}
if [istarget "*-*-linux*"] then {
verbose "Skipping overlay test -- Linux doesn't support overlayed programs."
return
}
standard_testfile overlays.c ovlymgr.c foo.c bar.c baz.c grbx.c
if {[build_executable $testfile.exp $testfile \
[list $srcfile $srcfile2 $srcfile3 $srcfile4 $srcfile5 $srcfile6] \
"debug ldscript=-Wl,-T$linker_script"] == -1} {
untested "failed to compile"
return -1
}
remote_exec build "mv ${testfile}.o foo.o bar.o baz.o grbx.o ovlymgr.o ${objdir}/${subdir}"
gdb_start
gdb_reinitialize_dir $srcdir/$subdir
gdb_load ${binfile}
#
# set it up at a breakpoint so we can play with the variable values
#
if ![runto_main] then {
return 0
}
# couple of convenience variables
set fptrcast [string_to_regexp "{int (int)}"]
set iptrcast [string_to_regexp "(int *)"]
set hexx "0x\[0-9abcdefABCDEF\]+"
gdb_test_no_output "overlay manual"
gdb_test "overlay list" "No sections are mapped." "list with none mapped"
# capture the LMA addresses of [foo bar baz grbx foox barx bazx grbxx]
proc get_func_address { func func_sym msg } {
global gdb_prompt
global fptrcast
global hexx
set func_addr 0
send_gdb "print $func\n"
gdb_expect {
-re "\\$\[0-9\]+ = $fptrcast (${hexx}) <$func_sym>.*$gdb_prompt $" {
set func_addr $expect_out(1,string)
pass "get $msg"
}
-re ".*$gdb_prompt $" {
fail "get $msg"
}
default {
fail "get $msg (timeout)"
}
}
return $func_addr
}
set foo_lma [get_func_address "foo" "\\*foo\\*" "foo load address"]
set bar_lma [get_func_address "bar" "\\*bar\\*" "bar load address"]
set baz_lma [get_func_address "baz" "\\*baz\\*" "baz load address"]
set grbx_lma [get_func_address "grbx" "\\*grbx\\*" "grbx load address"]
if $data_overlays then {
gdb_test "print \$foox_lma = &foox" \
".* $iptrcast 0x.*" "foox load addr"
gdb_test "print \$barx_lma = &barx" \
".* $iptrcast 0x.*" "barx load addr"
gdb_test "print \$bazx_lma = &bazx" \
".* $iptrcast 0x.*" "bazx load addr"
gdb_test "print \$grbxx_lma = &grbxx" \
".* $iptrcast 0x.*" "grbxx load addr"
}
# map each overlay successively, and
# capture the VMA addresses of [foo bar baz grbx foox barx bazx grbxx]
gdb_test "overlay map .ovly0" ""
gdb_test "overlay list" "Section .ovly0, loaded at.*, mapped at.*" "list ovly0"
set foo_vma [get_func_address "foo" "foo" "foo runtime address"]
gdb_test "overlay map .ovly1" ""
gdb_test "overlay list" "Section .ovly1, loaded at.*, mapped at.*" "list ovly1"
set bar_vma [get_func_address "bar" "bar" "bar runtime address"]
gdb_test "overlay map .ovly2" ""
gdb_test "overlay list" "Section .ovly2, loaded at.*, mapped at.*" "list ovly2"
set baz_vma [get_func_address "baz" "baz" "baz runtime address"]
gdb_test "overlay map .ovly3" ""
gdb_test "overlay list" "Section .ovly3, loaded at.*, mapped at.*" "list ovly3"
set grbx_vma [get_func_address "grbx" "grbx" "grbx runtime address"]
if $data_overlays then {
gdb_test "overlay map .data00" ""
gdb_test "overlay list" "Section .data00, loaded .*, mapped .*" "list data00"
gdb_test "print \$foox_vma = &foox" \
".* $iptrcast 0x.*" "foox runtime addr"
gdb_test "overlay map .data01" ""
gdb_test "overlay list" "Section .data01, loaded .*, mapped .*" "list data01"
gdb_test "print \$barx_vma = &barx" \
".* $iptrcast 0x.*" "barx runtime addr"
gdb_test "overlay map .data02" ""
gdb_test "overlay list" "Section .data02, loaded .*, mapped .*" "list data02"
gdb_test "print \$bazx_vma = &bazx" \
".* $iptrcast 0x.*" "bazx runtime addr"
gdb_test "overlay map .data03" ""
gdb_test "overlay list" "Section .data03, loaded .*, mapped .*" "list data03"
gdb_test "print \$grbxx_vma = &grbxx" \
".* $iptrcast 0x.*" "grbxx runtime addr"
}
# Verify that LMA != VMA
gdb_test "print $foo_lma != $foo_vma" ".* = 1" "foo's LMA != VMA"
gdb_test "print $bar_lma != $bar_vma" ".* = 1" "bar's LMA != VMA"
gdb_test "print $baz_lma != $baz_vma" ".* = 1" "baz's LMA != VMA"
gdb_test "print $grbx_lma != $grbx_vma" ".* = 1" "grbx's LMA != VMA"
if $data_overlays then {
gdb_test "print \$foox_lma != \$foox_vma" ".* = 1" "foox's LMA != VMA"
gdb_test "print \$barx_lma != \$barx_vma" ".* = 1" "barx's LMA != VMA"
gdb_test "print \$bazx_lma != \$bazx_vma" ".* = 1" "bazx's LMA != VMA"
gdb_test "print \$grbxx_lma != \$grbxx_vma" ".* = 1" "grbxx's LMA != VMA"
}
# Verify that early-mapped overlays have been bumped out
# by later-mapped overlays layed over in the same VMA range.
send_gdb "overlay list\n"
gdb_expect {
-re ".*ovly0, " { fail ".ovly0 not unmapped by .ovly1" }
-re ".*ovly2, " { fail ".ovly2 not unmapped by .ovly3" }
-re ".*data00," { fail ".data00 not unmapped by .data01" }
-re ".*data02," { fail ".data02 not unmapped by .data03" }
-re ".*$gdb_prompt $" { pass "automatic unmapping" }
timeout { fail "(timeout) Automatic unmapping" }
}
# Verify that both sec1 and sec2 can be loaded simultaneously.
proc simultaneous_pair { sec1 sec2 } {
global gdb_prompt
set pairname "$sec1 and $sec2 mapped simultaneously"
gdb_test "overlay map $sec1" "" "$pairname: map $sec1"
gdb_test "overlay map $sec2" "" "$pairname: map $sec2"
set seen_sec1 0
set seen_sec2 0
send_gdb "overlay list\n"
gdb_expect {
-re ".*[string_to_regexp $sec1], " { set seen_sec1 1; exp_continue }
-re ".*[string_to_regexp $sec2], " { set seen_sec2 1; exp_continue }
-re ".*$gdb_prompt $" {
if {$seen_sec1 && $seen_sec2} {
pass "$pairname"
} else {
fail "$pairname"
}
}
timeout { fail "(timeout) $pairname" }
}
}
simultaneous_pair .ovly0 .ovly2
simultaneous_pair .ovly0 .ovly3
simultaneous_pair .ovly1 .ovly2
simultaneous_pair .ovly1 .ovly3
if $data_overlays then {
simultaneous_pair .data00 .data02
simultaneous_pair .data00 .data03
simultaneous_pair .data01 .data02
simultaneous_pair .data01 .data03
}
# test automatic mode
gdb_test_no_output "overlay auto"
gdb_test "overlay list" "No sections are mapped." "list none mapped (auto)"
gdb_test "break foo" "Breakpoint .*at .*file .*foo.c.*" "break foo"
gdb_test "break bar" "Breakpoint .*at .*file .*bar.c.*" "break bar"
gdb_test "break baz" "Breakpoint .*at .*file .*baz.c.*" "break baz"
gdb_test "break grbx" "Breakpoint .*at .*file .*grbx.c.*" "break grbx"
send_gdb "continue\n"
gdb_expect {
-re "Breakpoint .* foo .x=1. at .*$gdb_prompt $" { pass "hit foo" }
-re ".*$gdb_prompt $" { fail "hit foo" }
timeout { fail "(timeout) hit foo" }
}
send_gdb "backtrace\n"
gdb_expect {
-re "#0 .*foo .*#1 .*main .*$gdb_prompt $" { pass "BT foo" }
-re ".*$gdb_prompt $" { fail "BT foo" }
timeout { fail "(timeout) BT foo" }
}
send_gdb "continue\n"
gdb_expect {
-re "Breakpoint .* bar .x=1. at .*$gdb_prompt $" { pass "hit bar" }
-re ".*$gdb_prompt $" { fail "hit bar" }
timeout { fail "(timeout) hit bar" }
}
send_gdb "backtrace\n"
gdb_expect {
-re "#0 .*bar .*#1 .*main .*$gdb_prompt $" { pass "BT bar" }
-re ".*$gdb_prompt $" { fail "BT bar" }
timeout { fail "(timeout) BT bar" }
}
send_gdb "continue\n"
gdb_expect {
-re "Breakpoint .* baz .x=1. at .*$gdb_prompt $" { pass "hit baz" }
-re ".*$gdb_prompt $" { fail "hit baz" }
timeout { fail "(timeout) hit baz" }
}
send_gdb "backtrace\n"
gdb_expect {
-re "#0 .*baz .*#1 .*main .*$gdb_prompt $" { pass "BT baz" }
-re ".*$gdb_prompt $" { fail "BT baz" }
timeout { fail "(timeout) BT baz" }
}
send_gdb "continue\n"
gdb_expect {
-re "Breakpoint .* grbx .x=1. at .*$gdb_prompt $" { pass "hit grbx" }
-re ".*$gdb_prompt $" { fail "hit grbx" }
timeout { fail "(timeout) hit grbx" }
}
send_gdb "backtrace\n"
gdb_expect {
-re "#0 .*grbx .*#1 .*main .*$gdb_prompt $" { pass "BT grbx" }
-re ".*$gdb_prompt $" { fail "BT grbx" }
timeout { fail "(timeout) BT grbx" }
}
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