load_lib gdb-guile.exp
-# Start with a fresh gdb.
-gdb_exit
-gdb_start
+standard_testfile
+
+if { [prepare_for_testing ${testfile}.exp ${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"
projects / thirdparty / binutils-gdb.git / blobdiff