PR symtab/12406:

	* solib.c (update_solib_list): Update the program space's
	added_solibs and deleted_solibs fields.
	* progspace.h (struct program_space) <added_solibs,
	deleted_solibs>: New fields.
	(clear_program_space_solib_cache): Declare.
	* progspace.c (release_program_space): Call
	clear_program_space_solib_cache.
	(clear_program_space_solib_cache): New function.
	* infrun.c (handle_inferior_event) <TARGET_WAITKIND_LOADED>: Call
	bpstat_stop_status.  Use handle_solib_event.
	* breakpoint.c: Include gdb_regex.h.
	(print_solib_event): New function.
	(bpstat_print): Use print_solib_event.
	(bpstat_stop_status): Add special case for bp_shlib_event.
	(handle_solib_event): New function.
	(bpstat_what): Use handle_solib_event.
	(struct solib_catchpoint): New.
	(dtor_catch_solib, insert_catch_solib, remove_catch_solib)
	(breakpoint_hit_catch_solib, check_status_catch_solib)
	(print_it_catch_solib, print_one_catch_solib)
	(print_mention_catch_solib, print_recreate_catch_solib): New
	functions.
	(catch_solib_breakpoint_ops): New global.
	(catch_load_or_unload, catch_load_command_1)
	(catch_unload_command_1): New functions.
	(internal_bkpt_check_status): Add special case for
	bp_shlib_event.
	(internal_bkpt_print_it): Use print_solib_event.
	(initialize_breakpoint_ops): Initialize
	catch_solib_breakpoint_ops.
	(_initialize_breakpoint): Register "catch load" and "catch
	unload".
	* breakpoint.h (handle_solib_event): Declare.
	* NEWS: Add entry for "catch load" and "catch unload".
gdb/doc
	* gdb.texinfo (Set Catchpoints): Document "catch load" and "catch
	unload".
	(Files): Mention new catch commands.
	(GDB/MI Async Records): Likewise.
gdb/testsuite
	* lib/mi-support.exp (mi_expect_stop): Add special case for
	solib-event.
	* gdb.base/catch-load-so.c: New file.
	* gdb.base/catch-load.exp: New file.
	* gdb.base/catch-load.c: New file.
	* gdb.base/break-interp.exp (reach_1): Update regexp.

1 files changed, 120 insertions, 0 deletions

diff --git a/gdb/testsuite/gdb.base/catch-load.exp b/gdb/testsuite/gdb.base/catch-load.exp
new file mode 100644
index 0000000..af7114a
--- /dev/null
+++ b/gdb/testsuite/gdb.base/catch-load.exp
@@ -0,0 +1,120 @@
+# Copyright 2012 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/>.
+#
+
+if {[skip_shlib_tests]} {
+    untested catch-load.exp
+    return -1
+}
+
+if {[get_compiler_info not-used]} {
+    warning "Could not get compiler info"
+    untested catch-load.exp
+    return -1
+}
+
+set testfile catch-load
+set srcfile ${testfile}.c
+set binfile ${objdir}/${subdir}/${testfile}
+if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug shlib_load}] != "" } {
+    untested catch-load.exp
+    return -1
+}
+
+set testfile2 catch-load-so
+set srcfile2 ${testfile2}.c
+set binfile2 ${objdir}/${subdir}/${testfile2}.so
+set binfile2_dlopen [shlib_target_file ${testfile2}.so]
+if { [gdb_compile_shlib "${srcdir}/${subdir}/${srcfile2}" ${binfile2} {debug}] != "" } {
+    untested catch-load.exp
+    return -1
+}
+
+# Run one set of tests.
+# SCENARIO is the name of the test scenario, it is just used in test
+# names.
+# KIND is passed to the "catch" command.
+# MATCH is a boolean saying whether we expect the catchpoint to be hit.
+proc one_catch_load_test {scenario kind match sostop} {
+    global verbose testfile testfile2 binfile2_dlopen
+    global pf_prefix srcfile
+    global decimal gdb_prompt
+
+    set saved_prefix $pf_prefix
+    append pf_prefix "${scenario}:"
+
+    clean_restart $testfile
+    gdb_load_shlibs $binfile2_dlopen
+
+    if {![runto_main]} {
+	fail "can't run to main"
+	set pf_prefix $saved_prefix
+	return
+    }
+
+    gdb_breakpoint [gdb_get_line_number "final breakpoint here"]
+    gdb_test_no_output "set var libname = \"$binfile2_dlopen\""
+    gdb_test_no_output "set stop-on-solib-events $sostop"
+    gdb_test "catch $kind" "Catchpoint $decimal \\(.*\\)"
+
+    send_gdb "continue\n"
+    gdb_test_multiple "continue" "continue" {
+	-re "Catchpoint $decimal\r\n.*loaded .*/$testfile2.*\r\n.*$gdb_prompt $" {
+	    if {$match} {
+		pass "continue"
+	    } else {
+		fail "continue"
+	    }
+	}
+
+	-re "Stopped due to shared library event.*\r\n$gdb_prompt $" {
+	    if {$sostop} {
+		pass "continue"
+	    } else {
+		fail "continue"
+	    }
+	}
+
+	-re "Breakpoint $decimal, .*\r\n$gdb_prompt $" {
+	    if {!$match} {
+		pass "continue"
+	    } else {
+		fail "continue"
+	    }
+	}
+
+	-re ".*$gdb_prompt $" {
+	    fail "continue"
+	}
+    }
+
+    set pf_prefix $saved_prefix
+}
+
+one_catch_load_test "plain load" "load" 1 0
+one_catch_load_test "plain load with stop-on-solib-events" "load" 1 1
+one_catch_load_test "rx load" "load $testfile2" 1 0
+one_catch_load_test "rx load with stop-on-solib-events" "load $testfile2" 1 1
+one_catch_load_test "non-matching load" "load zardoz" 0 0
+one_catch_load_test "non-matching load with stop-on-solib-events" \
+    "load zardoz" 0 1
+
+one_catch_load_test "plain unload" "unload" 1 0
+one_catch_load_test "plain unload with stop-on-solib-events" "unload" 1 1
+one_catch_load_test "rx unload" "unload $testfile2" 1 0
+one_catch_load_test "rx unload with stop-on-solib-events" \
+    "unload $testfile2" 1 1
+one_catch_load_test "non-matching unload" "unload zardoz" 0 0
+one_catch_load_test "non-matching unload with stop-on-solib-events" \
+    "unload zardoz" 0 1