| # Copyright (C) 2014-2017 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 is part of the GDB testsuite. |
| # It tests GDB provided ports. |
| |
| load_lib gdb-guile.exp |
| |
| standard_testfile |
| |
| if { [prepare_for_testing "failed to prepare" ${testfile} ${srcfile}] } { |
| return |
| } |
| |
| # Skip all tests if Guile scripting is not enabled. |
| if { [skip_guile_tests] } { continue } |
| |
| if ![gdb_guile_runto_main] { |
| return |
| } |
| |
| gdb_reinitialize_dir $srcdir/$subdir |
| |
| gdb_install_guile_utils |
| gdb_install_guile_module |
| |
| gdb_scm_test_silent_cmd "guile (use-modules (rnrs io ports) (rnrs bytevectors))" \ |
| "import (rnrs io ports) (rnrs bytevectors)" |
| |
| gdb_test "guile (print (stdio-port? 42))" "= #f" |
| gdb_test "guile (print (stdio-port? (%make-void-port \"r\")))" "= #f" |
| gdb_test "guile (print (stdio-port? (input-port)))" "= #t" |
| gdb_test "guile (print (stdio-port? (output-port)))" "= #t" |
| gdb_test "guile (print (stdio-port? (error-port)))" "= #t" |
| |
| # Test memory port open/close. |
| |
| proc test_port { mode } { |
| with_test_prefix "basic $mode tests" { |
| gdb_test_no_output "guile (define my-port (open-memory #:mode \"$mode\"))" \ |
| "create memory port" |
| gdb_test "guile (print (memory-port? my-port))" "= #t" |
| switch -glob $mode { |
| "r+*" { |
| gdb_test "guile (print (input-port? my-port))" "= #t" |
| gdb_test "guile (print (output-port? my-port))" "= #t" |
| } |
| "r*" { |
| gdb_test "guile (print (input-port? my-port))" "= #t" |
| gdb_test "guile (print (output-port? my-port))" "= #f" |
| } |
| "w*" { |
| gdb_test "guile (print (input-port? my-port))" "= #f" |
| gdb_test "guile (print (output-port? my-port))" "= #t" |
| } |
| default { |
| error "bad test mode" |
| } |
| } |
| gdb_test "guile (print (port-closed? my-port))" "= #f" \ |
| "test port-closed? before it's closed" |
| gdb_test "guile (print (close-port my-port))" "= #t" |
| gdb_test "guile (print (port-closed? my-port))" "= #t" \ |
| "test port-closed? after it's closed" |
| } |
| } |
| |
| set port_variations { r w r+ rb wb r+b r0 w0 r+0 } |
| foreach variation $port_variations { |
| test_port $variation |
| } |
| |
| # Test read/write of memory ports. |
| |
| proc test_mem_port_rw { kind } { |
| if { "$kind" == "buffered" } { |
| set buffered 1 |
| } else { |
| set buffered 0 |
| } |
| with_test_prefix $kind { |
| if $buffered { |
| set mode "r+" |
| } else { |
| set mode "r+0" |
| } |
| gdb_test_no_output "guile (define rw-mem-port (open-memory #:mode \"$mode\"))" \ |
| "create r/w memory port" |
| gdb_test "guile (print rw-mem-port)" \ |
| "#<input-output: gdb:memory-port 0x0-0xf+>" |
| gdb_test_no_output "guile (define sp-reg (parse-and-eval \"\$sp\"))" \ |
| "get sp reg" |
| # Note: Only use $sp_reg for gdb_test result matching, don't use it in |
| # gdb commands. Otherwise transcript.N becomes unusable. |
| set sp_reg [get_integer_valueof "\$sp" 0] |
| gdb_test_no_output "guile (define byte-at-sp (parse-and-eval \"*(char*) \$sp\"))" \ |
| "save current value at sp" |
| # Pass the result of parse-and-eval through value-fetch-lazy!, |
| # otherwise the value gets left as a lazy reference to memory, which |
| # when re-evaluated after we flush the write will yield the newly |
| # written value. PR 18175 |
| gdb_test_no_output "guile (value-fetch-lazy! byte-at-sp)" \ |
| "un-lazyify byte-at-sp" |
| gdb_test "guile (print (seek rw-mem-port (value->integer sp-reg) SEEK_SET))" \ |
| "= $sp_reg" \ |
| "seek to \$sp" |
| gdb_test_no_output "guile (define old-value (value->integer byte-at-sp))" \ |
| "define old-value" |
| gdb_test_no_output "guile (define new-value (logxor old-value 1))" \ |
| "define new-value" |
| gdb_test "guile (print (put-bytevector rw-mem-port (make-bytevector 1 new-value)))" \ |
| "= #<unspecified>" |
| if $buffered { |
| # Value shouldn't be in memory yet. |
| gdb_test "guile (print (value=? (parse-and-eval \"*(char*) \$sp\") byte-at-sp))" \ |
| "= #t" \ |
| "test byte at sp, before flush" |
| gdb_test_no_output "guile (force-output rw-mem-port)" \ |
| "flush port" |
| } |
| # Value should be in memory now. |
| gdb_test "guile (print (value=? (parse-and-eval \"*(char*) \$sp\") byte-at-sp))" \ |
| "= #f" \ |
| "test byte at sp, after flush" |
| # Restore the value for cleanliness sake, and to verify close-port |
| # flushes the buffer. |
| gdb_test "guile (print (seek rw-mem-port (value->integer sp-reg) SEEK_SET))" \ |
| "= $sp_reg" \ |
| "seek to \$sp for restore" |
| gdb_test "guile (print (put-bytevector rw-mem-port (make-bytevector 1 old-value)))" \ |
| "= #<unspecified>" |
| gdb_test "guile (print (close-port rw-mem-port))" \ |
| "= #t" |
| gdb_test "guile (print (value=? (parse-and-eval \"*(char*) \$sp\") byte-at-sp))" \ |
| "= #t" \ |
| "test byte at sp, after close" |
| } |
| } |
| |
| test_mem_port_rw buffered |
| test_mem_port_rw unbuffered |
| |
| # Test zero-length memory ports. |
| |
| gdb_test_no_output "guile (define zero-mem-port (open-memory #:start 0 #:size 0 #:mode \"r+\"))" \ |
| "create zero length memory port" |
| gdb_test "guile (print (read-char zero-mem-port))" \ |
| "= #<eof>" |
| gdb_test "guile (print (write-char #\\a zero-mem-port))" \ |
| "ERROR: .*Out of range: writing beyond end of memory range.*Error while executing Scheme code." |
| gdb_test "guile (print (get-bytevector-n zero-mem-port 0))" \ |
| "= #vu8\\(\\)" |
| gdb_test "guile (print (put-bytevector zero-mem-port (make-bytevector 0)))" \ |
| "= #<unspecified>" |
| gdb_test "guile (print (close-port zero-mem-port))" "= #t" |