]> git.ipfire.org Git - thirdparty/binutils-gdb.git/blobdiff - gdb/testsuite/gdb.base/dprintf.exp
Update copyright year range in header of all files managed by GDB
[thirdparty/binutils-gdb.git] / gdb / testsuite / gdb.base / dprintf.exp
index 253e016b01872987a2b0796071ee14d0b528d64b..8b284a8d93d79a98df249f176ca56796903de9b3 100644 (file)
@@ -1,4 +1,4 @@
-#   Copyright (C) 2012-2013 Free Software Foundation, Inc.
+#   Copyright (C) 2012-2024 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
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
+standard_testfile
 
-if { [prepare_for_testing dprintf.exp "dprintf" {} {debug}] } {
+set flags {}
+lappend flags debug
+lappend_include_file flags $srcdir/lib/unbuffer_output.c
+
+if { [prepare_for_testing "failed to prepare" $testfile $srcfile $flags] } {
     return -1
 }
 
-set srcfile dprintf.c
-
 set bp_location1 [gdb_get_line_number "set breakpoint 1 here"]
 set dp_location1 [gdb_get_line_number "set dprintf 1 here"]
 
-if ![runto main] {
+if ![runto_main] {
     return -1
 }
 
@@ -40,6 +43,8 @@ gdb_breakpoint "main"
 gdb_test "dprintf foo,\"At foo entry\\n\"" \
   "Dprintf .*"
 
+gdb_test "ignore \$bpnum 1" ".*Will ignore next crossing of breakpoint.*"
+
 gdb_test "dprintf $dp_location1,\"arg=%d, g=%d\\n\", arg, g" \
   "Dprintf .*"
 
@@ -48,10 +53,8 @@ gdb_test_sequence "info breakpoints" "dprintf info 1" {
     "\[\r\n\]2       breakpoint"
     "\[\r\n\]3       dprintf"
     "\[\r\n\]        printf \"At foo entry\\\\n\""
-    "\[\r\n\]        continue"
     "\[\r\n\]4       dprintf"
     "\[\r\n\]        printf \"arg=%d, g=%d\\\\n\", arg, g"
-    "\[\r\n\]        continue"
 }
 
 gdb_test "break $bp_location1" \
@@ -61,76 +64,165 @@ gdb_run_cmd
 
 gdb_test "" "Breakpoint"
 
-gdb_test "continue" "At foo entry.*arg=1234, g=1234.*" "1st dprintf, gdb"
+gdb_test "continue" "arg=1234, g=1234.*" "1st dprintf, gdb"
 
 gdb_test "continue" "At foo entry.*arg=1235, g=2222.*" "2nd dprintf, gdb"
 
-# The "call" style depends on having I/O functions available, so test.
+# Restart GDB and set set up for testing.
 
-if ![target_info exists gdb,noinferiorio] {
+proc restart {} {
+    global binfile
+    global bp_location1 dp_location1
+
+    clean_restart $binfile
+
+    if ![runto_main] {
+       return -1
+    }
+
+    gdb_test "dprintf foo,\"At foo entry\\n\"" \
+       "Dprintf .*"
+
+    gdb_test "dprintf $dp_location1,\"arg=%d, g=%d\\n\", arg, g" \
+       "Dprintf .*"
+
+    gdb_test "break $bp_location1" "Breakpoint .*"
+}
+
+# Test continuing across a dprintf.  PATTERN matches the output
+# generated by the dprintf.  MSG is used as test message.
+
+proc test_dprintf {pattern msg} {
+    gdb_test_stdio "continue" $pattern "" "$msg"
+}
+
+# Test the "call" style.
+
+proc test_call {} {
+    global binfile
+    global bp_location1
 
     # Now switch styles and rerun; in the absence of redirection the
     # output should be the same.
 
-    gdb_test_no_output "set dprintf-style call" "Set dprintf style to call"
+    with_test_prefix "printf" {
+       restart
 
-    gdb_run_cmd
+       gdb_test_no_output "set dprintf-style call" "set dprintf style to call"
 
-    gdb_test "" "Breakpoint"
+       test_dprintf "At foo entry.*arg=1234, g=1234\r\n" "1st dprintf"
 
-    gdb_test "continue" "At foo entry.*arg=1234, g=1234.*" "1st dprintf, call"
+       test_dprintf "At foo entry.*arg=1235, g=2222\r\n" "2nd dprintf"
+    }
 
-    gdb_test "continue" "At foo entry.*arg=1235, g=2222.*" "2nd dprintf, call"
+    gdb_test_multiple "print stderr" "stderr symbol check" {
+       -re "\\'stderr\\' has unknown type.*" {
+           untested "No information available for stderr, exiting early"
+           return
+       }
+       -re "\\\$1.*" {
+           pass $gdb_test_name
+       }
+    }
 
-    gdb_test_no_output "set dprintf-function fprintf" "Set dprintf function"
-    gdb_test_no_output "set dprintf-channel stderr" "Set dprintf channel"
+    with_test_prefix "fprintf" {
+       restart
 
-    gdb_run_cmd
+       gdb_test_no_output "set dprintf-function fprintf" "set dprintf function"
+       gdb_test_no_output "set dprintf-channel stderr" "set dprintf channel"
 
-    gdb_test "" "Breakpoint"
+       gdb_test_no_output "set dprintf-style call" "set dprintf style to call"
 
-    gdb_test "continue" "At foo entry.*arg=1234, g=1234.*" \
-       "1st dprintf, fprintf"
+       test_dprintf "At foo entry.*arg=1234, g=1234\r\n" "1st dprintf"
 
-    gdb_test "continue" "At foo entry.*arg=1235, g=2222.*" \
-       "2nd dprintf, fprintf"
+       test_dprintf "At foo entry.*arg=1235, g=2222\r\n" "2nd dprintf"
+    }
 }
 
-set target_can_dprintf 1
-set msg "Set dprintf style to agent"
-gdb_test_multiple "set dprintf-style agent" $msg {
-    -re "warning: Target cannot run dprintf commands.*\r\n$gdb_prompt $" {
-       set target_can_dprintf 0
-       pass "$msg - cannot do"
-    }
-    -re ".*$gdb_prompt $" {
-       pass "$msg - can do"
+# The "call" style depends on having I/O functions available.
+
+if ![target_info exists gdb,noinferiorio] {
+    with_test_prefix "call" {
+       test_call
     }
 }
 
-if $target_can_dprintf {
+# Test the "agent" style.
 
-    gdb_run_cmd
+proc test_agent {} {
+    global binfile
+    global gdb_prompt
 
-    gdb_test "" "Breakpoint"
+    restart
 
-    gdb_test "continue" "Breakpoint \[0-9\]+, foo .*" "1st dprintf, agent"
+    set target_can_dprintf 1
+    set msg "set dprintf style to agent"
+    gdb_test_multiple "set dprintf-style agent" $msg {
+       -re "warning: Target cannot run dprintf commands.*\r\n$gdb_prompt $" {
 
-    gdb_test "continue" "Breakpoint \[0-9\]+, foo .*" "2nd dprintf, agent"
+           # The target reports that it doesn't support target side
+           # commands at all.
+           set target_can_dprintf 0
+           unsupported "$msg"
+       }
+       -re ".*$gdb_prompt $" {
+           pass "$msg"
+       }
+    }
 
-    gdb_test_sequence "info breakpoints" "dprintf info 2" {
-       "\[\r\n\]Num     Type           Disp Enb Address +What"
-       "\[\r\n\]2       breakpoint"
-       "\[\r\n\]\tbreakpoint already hit 2 times"
-       "\[\r\n\]3       dprintf"
-       "\[\r\n\]\tbreakpoint already hit 2 times"
-       "\[\r\n\]        agent-printf \"At foo entry\\\\n\""
-       "\[\r\n\]4       dprintf"
-       "\[\r\n\]\tbreakpoint already hit 2 times"
-       "\[\r\n\]        agent-printf \"arg=%d, g=%d\\\\n\", arg, g"
+    if !$target_can_dprintf {
+       return
+    }
+
+    # Even if the target reports that it does support target side
+    # commands, we can only tell that it supports them in combination
+    # with a particular breakpoint type (Z0, Z1, etc.) when we try to
+    # insert the breakpoint.  When "set breakpoint always-inserted is
+    # off", that'll be on next continue.
+    set msg "1st dprintf"
+    gdb_test_multiple "continue" $msg {
+       -re "Warning:.*Target doesn't support breakpoints that have target side commands.*\r\n$gdb_prompt $" {
+           set target_can_dprintf 0
+           unsupported "$msg"
+       }
+       -re "Breakpoint \[0-9\]+, foo .*$gdb_prompt $" {
+           pass "$msg"
+       }
+    }
+
+    if $target_can_dprintf {
+       gdb_test "continue" "Breakpoint \[0-9\]+, foo .*" "2nd dprintf"
+
+       gdb_test_sequence "info breakpoints" "dprintf info" {
+           "\[\r\n\]Num     Type           Disp Enb Address +What"
+           "\[\r\n\]1       breakpoint"
+           "\[\r\n\]\tbreakpoint already hit 1 time"
+           "\[\r\n\]2       dprintf"
+           "\[\r\n\]        agent-printf \"At foo entry\\\\n\""
+           "\[\r\n\]3       dprintf"
+           "\[\r\n\]        agent-printf \"arg=%d, g=%d\\\\n\", arg, g"
+           "\[\r\n\]4       breakpoint"
+           "\[\r\n\]\tbreakpoint already hit 2 times"
+       }
     }
 }
 
+with_test_prefix "agent" {
+    test_agent
+}
+
 gdb_test "set dprintf-style foobar" "Undefined item: \"foobar\"." \
     "Set dprintf style to an unrecognized type"
 
+# Test that force-disabling the BreakpointCommands RSP feature works
+# as expected.  dprintf relies on support for target-side breakpoint
+# commands --- use it as proxy.
+if [gdb_is_target_remote] {
+    gdb_test \
+       "set remote breakpoint-commands-packet off" \
+       "Support for the 'BreakpointCommands' packet on the current remote target is set to \"off\"."
+
+    gdb_test "set dprintf-style agent" \
+       "warning: Target cannot run dprintf commands.*" \
+       "set dprintf-style agent, with feature disabled"
+}