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# Copyright 2011-2021 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 Justin Lebar. (justin.lebar@gmail.com)
# And further hacked on by Doug Evans. (dje@google.com)
load_lib completion-support.exp
standard_testfile
if { [prepare_for_testing "failed to prepare" "skip" \
{skip.c skip1.c } \
{debug nowarnings}] } {
return -1
}
set srcfile skip.c
set srcfile1 skip1.c
# Right after we start gdb, there's no default file or function to skip.
gdb_test "skip file" "No default file now." "skip file (no default file)"
gdb_test "skip function" "No default function now."
gdb_test "skip" "No default function now." "skip (no default function)"
# Test elided args.
gdb_test "skip -fi" "Missing value for -fi option."
gdb_test "skip -file" "Missing value for -file option."
gdb_test "skip -fu" "Missing value for -fu option."
gdb_test "skip -function" "Missing value for -function option."
gdb_test "skip -rfu" "Missing value for -rfu option."
gdb_test "skip -rfunction" "Missing value for -rfunction option."
# Test other invalid option combinations.
gdb_test "skip -x" "Invalid skip option: -x"
gdb_test "skip -rfu foo.* xyzzy" "Invalid argument: xyzzy"
if ![runto_main] {
return
}
# Test |info skip| with an empty skiplist.
gdb_test "info skip" "Not skipping any files or functions\." "info skip empty"
# Create a skiplist entry for the current file and function.
gdb_test "skip file" "File .*$srcfile will be skipped when stepping\." "skip file ($srcfile)"
gdb_test "skip" "Function main will be skipped when stepping\." "skip (main)"
# Create a skiplist entry for a specified file and function.
gdb_test "skip file skip1.c" "File .*$srcfile1 will be skipped when stepping\."
gdb_test "skip function baz" "Function baz will be skipped when stepping\."
# Test bad skiplist entry modification commands
gdb_test "skip enable 999" "No skiplist entries found with number 999."
gdb_test "skip disable 999" "No skiplist entries found with number 999."
gdb_test "skip delete 999" "No skiplist entries found with number 999."
gdb_test "skip enable a" "Arguments must be numbers or '\\$' variables."
gdb_test "skip disable a" "Arguments must be numbers or '\\$' variables."
gdb_test "skip delete a" "Arguments must be numbers or '\\$' variables."
# Ask for info on a skiplist entry which doesn't exist.
gdb_test "info skip 999" "No skiplist entries found with number 999."
# Does |info skip| look right?
gdb_test "info skip" \
[multi_line "Num\\s+Enb\\s+Glob\\s+File\\s+RE\\s+Function" \
"1\\s+y\\s+n\\s+.*$srcfile\\s+n\\s+<none>" \
"2\\s+y\\s+n\\s+<none>\\s+n\\s+main" \
"3\\s+y\\s+n\\s+$srcfile1\\s+n\\s+<none>" \
"4\\s+y\\s+n\\s+<none>\\s+n\\s+baz"]
# Right now, we have an outstanding skiplist entry on both source
# files, so when we step into the first line in main(), we should step
# right over it and go to the second line of main().
if ![runto_main] {
return
}
gdb_test "step" ".*" "step in the main"
gdb_test "bt" "\\s*\\#0\\s+main.*" "step after all ignored"
# Now remove skip.c from the skiplist. Our first step should take us
# into foo(), and our second step should take us to the next line in main().
with_test_prefix "step after deleting 1" {
gdb_test "skip delete 1"
# Check that entry 1 is missing from |info skip|
gdb_test "info skip" \
[multi_line "Num\\s+Enb\\s+Glob\\s+File\\s+RE\\s+Function" \
"2\\s+y\\s+n\\s+<none>\\s+n\\s+main" \
"3\\s+y\\s+n\\s+$srcfile1\\s+n\\s+<none>" \
"4\\s+y\\s+n\\s+<none>\\s+n\\s+baz"] \
"info skip (delete 1)"
if ![runto_main] {
return
}
gdb_test "step" "foo \\(\\) at.*" "step 1"
gdb_test "step" ".*" "step 2" ; # Return from foo()
gdb_test "step" "main \\(\\) at.*" "step 3"
}
# Now disable the skiplist entry for skip1.c. We should now
# step into foo(), then into bar(), but not into baz().
with_test_prefix "step after disabling 3" {
gdb_test "skip disable 3"
# Is entry 3 disabled in |info skip|?
gdb_test "info skip 3" \
"3\\s+n\\s+n\\s+$srcfile1\\s+n\\s+<none>\\s*" \
"info skip shows entry as disabled"
if ![runto_main] {
return
}
gdb_test "step" "bar \\(\\) at.*" "step 1"
gdb_test "step" ".*" "step 2"; # Return from bar()
# With gcc 9.2.0 we jump once back to main before entering foo here.
# If that happens try to step a second time.
gdb_test "step" "foo \\(\\) at.*" "step 3" \
"main \\(\\) at .*\r\n$gdb_prompt " "step"
gdb_test "step" ".*" "step 4"; # Return from foo()
gdb_test "step" "main \\(\\) at.*" "step 5"
}
# Enable skiplist entry 3 and make sure we step over it like before.
with_test_prefix "step after enable 3" {
gdb_test "skip enable 3"
# Is entry 3 enabled in |info skip|?
gdb_test "info skip 3" \
"3\\s+y\\s+n\\s+$srcfile1\\s+n\\s+<none>\\s*" \
"info skip shows entry as enabled"
if ![runto_main] {
return
}
gdb_test "step" "foo \\(\\) at.*" "step 1"
gdb_test "step" ".*" "step 2"; # Return from foo()
gdb_test "step" "main \\(\\) at.*" "step 3"
}
# Admin tests (disable,enable,delete).
with_test_prefix "admin" {
gdb_test "skip disable"
gdb_test "info skip" \
[multi_line "Num\\s+Enb\\s+Glob\\s+File\\s+RE\\s+Function" \
"2\\s+n\\s+n\\s+<none>\\s+n\\s+main" \
"3\\s+n\\s+n\\s+$srcfile1\\s+n\\s+<none>" \
"4\\s+n\\s+n\\s+<none>\\s+n\\s+baz"] \
"info skip after disabling all"
gdb_test "skip enable"
gdb_test "info skip" \
[multi_line "Num\\s+Enb\\s+Glob\\s+File\\s+RE\\s+Function" \
"2\\s+y\\s+n\\s+<none>\\s+n\\s+main" \
"3\\s+y\\s+n\\s+$srcfile1\\s+n\\s+<none>" \
"4\\s+y\\s+n\\s+<none>\\s+n\\s+baz"] \
"info skip after enabling all"
gdb_test "skip disable 4 2-3"
gdb_test "info skip" \
[multi_line "Num\\s+Enb\\s+Glob\\s+File\\s+RE\\s+Function" \
"2\\s+n\\s+n\\s+<none>\\s+n\\s+main" \
"3\\s+n\\s+n\\s+$srcfile1\\s+n\\s+<none>" \
"4\\s+n\\s+n\\s+<none>\\s+n\\s+baz"] \
"info skip after disabling 4 2-3"
gdb_test "skip enable 2-3"
gdb_test "info skip" \
[multi_line "Num\\s+Enb\\s+Glob\\s+File\\s+RE\\s+Function" \
"2\\s+y\\s+n\\s+<none>\\s+n\\s+main" \
"3\\s+y\\s+n\\s+$srcfile1\\s+n\\s+<none>" \
"4\\s+n\\s+n\\s+<none>\\s+n\\s+baz"] \
"info skip after enabling 2-3"
gdb_test "info skip 2-3" \
[multi_line "Num\\s+Enb\\s+Glob\\s+File\\s+RE\\s+Function" \
"2\\s+y\\s+n\\s+<none>\\s+n\\s+main" \
"3\\s+y\\s+n\\s+$srcfile1\\s+n\\s+<none>"]
gdb_test "skip delete 2 3"
gdb_test "info skip" \
[multi_line "Num\\s+Enb\\s+Glob\\s+File\\s+RE\\s+Function" \
"4\\s+n\\s+n\\s+<none>\\s+n\\s+baz"] \
"info skip after deleting 2 3"
gdb_test "skip delete"
gdb_test "info skip" "Not skipping any files or functions\." \
"info skip after deleting all"
}
# Now test skip -fi, etc.
# Create a skiplist entry for a specified file and function.
gdb_test "skip -fi skip1.c" "File .*$srcfile1 will be skipped when stepping\."
gdb_test "skip -gfi sk*1.c" "File\\(s\\) sk\\*1.c will be skipped when stepping\."
gdb_test "skip -fu baz" "Function baz will be skipped when stepping\."
gdb_test "skip -rfu ^b.z$" "Function\\(s\\) \\^b\\.z\\$ will be skipped when stepping."
with_test_prefix "step using -fi" {
if ![runto_main] {
return
}
gdb_test_no_output "skip disable"
gdb_test_no_output "skip enable 5"
gdb_test "step" "foo \\(\\) at.*" "step 1"
gdb_test "step" ".*" "step 2"; # Return from foo()
gdb_test "step" "main \\(\\) at.*" "step 3"
}
with_test_prefix "step using -gfi" {
if ![runto_main] {
return
}
gdb_test_no_output "skip disable"
gdb_test_no_output "skip enable 6"
gdb_test "step" "foo \\(\\) at.*" "step 1"
gdb_test "step" ".*" "step 2"; # Return from foo()
gdb_test "step" "main \\(\\) at.*" "step 3"
}
with_test_prefix "step using -fu for baz" {
if ![runto_main] {
return
}
gdb_test_no_output "skip disable"
gdb_test_no_output "skip enable 7"
gdb_test "step" "bar \\(\\) at.*" "step 1"
gdb_test "step" ".*" "step 2"; # Return from bar()
# With gcc 9.2.0 we jump once back to main before entering foo here.
# If that happens try to step a second time.
gdb_test "step" "foo \\(\\) at.*" "step 3" \
"main \\(\\) at .*\r\n$gdb_prompt " "step"
gdb_test "step" ".*" "step 4"; # Return from foo()
gdb_test "step" "main \\(\\) at.*" "step 5"
}
with_test_prefix "step using -rfu for baz" {
if ![runto_main] {
return
}
gdb_test_no_output "skip disable"
gdb_test_no_output "skip enable 8"
gdb_test "step" "bar \\(\\) at.*" "step 1"
gdb_test "step" ".*" "step 2"; # Return from bar()
# With gcc 9.2.0 we jump once back to main before entering foo here.
# If that happens try to step a second time.
gdb_test "step" "foo \\(\\) at.*" "step 3" \
"main \\(\\) at .*\r\n$gdb_prompt " "step"
gdb_test "step" ".*" "step 4"; # Return from foo()
gdb_test "step" "main \\(\\) at.*" "step 5"
}
# Test -fi + -fu.
with_test_prefix "step using -fi + -fu" {
gdb_test_no_output "skip delete"
if ![runto test_skip_file_and_function] {
return
}
gdb_test "skip -fi skip1.c -fu test_skip" \
"Function test_skip in file skip1.c will be skipped when stepping\."
# Verify we can step into skip.c:test_skip but not skip1.c:test_skip.
gdb_test "step" "test_skip \\(\\) at.*" "step 1"
gdb_test "step" "test_skip_file_and_function \\(\\) at.*" "step 2"; # Return from test_skip()
gdb_test "step" "skip1_test_skip_file_and_function \\(\\) at.*" "step 3"
gdb_test "step" ".*" "step 4"; # Skip over test_skip()
gdb_test "step" "test_skip_file_and_function \\(\\) at.*" "step 5"; # Return from skip1_test_skip_file_and_function()
}
with_test_prefix "skip delete completion" {
global binfile
clean_restart "${binfile}"
if ![runto_main] {
return
}
# Create a bunch of skips, don't care what they are.
for {set i 0} {$i < 12} {incr i} {
gdb_test "skip" ".*" "add skip $i"
}
set all_numbers { "1" "10" "11" "12" "2" "3" "4" "5" "6" "7" "8" "9" }
# Test completing single numbers.
test_gdb_complete_multiple "skip delete " "" "" $all_numbers
test_gdb_complete_multiple "skip delete " "1" "" { "1" "10" "11" "12" }
test_gdb_complete_multiple "skip delete 2 " "" "" $all_numbers
test_gdb_complete_unique "skip delete 11" "skip delete 11"
# Test completing ranges.
test_gdb_complete_multiple "skip delete 2-" "" "" $all_numbers
test_gdb_complete_unique "skip delete 2-5" "skip delete 2-5"
# Test cases with no completion.
test_gdb_complete_none "skip delete 123"
test_gdb_complete_none "skip delete a1"
test_gdb_complete_none "skip delete 2-33"
}
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