GDB 7.6.50

gdb/testsuite/gdb.dwarf2/gdb-index.exp

Index: gdb/testsuite/gdb.dwarf2/gdb-index.exp
diff --git a/gdb/testsuite/gdb.dwarf2/gdb-index.exp b/gdb/testsuite/gdb.dwarf2/gdb-index.exp
new file mode 100644
index 0000000000000000000000000000000000000000..d1334b498f6c30f414eab36928d3c249bfe41a3f
--- /dev/null
+++ b/gdb/testsuite/gdb.dwarf2/gdb-index.exp
@@ -0,0 +1,102 @@
+# Copyright 2013 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/>.
+
+load_lib dwarf.exp
+
+# This test can only be run on targets which support DWARF-2.
+if {![dwarf2_support]} {
+    return 0
+}
+
+standard_testfile main.c
+
+if { [prepare_for_testing "${testfile}.exp" "${testfile}" \
+	  [list ${srcfile}]] } {
+    return -1
+}
+
+# Add a .gdb_index section to PROGRAM.
+# PROGRAM is assumed to be the output of standard_output_file.
+# Returns the path of the program or "" if there is a failure.
+# If there is a failure it will have already been logged.
+
+proc add_gdb_index { program } {
+    set index_file ${program}.gdb-index
+    verbose -log "index_file: ${index_file}"
+    remote_file host delete ${index_file}
+    gdb_test_no_output "save gdb-index [file dirname ${index_file}]" \
+	"save gdb-index for file [file tail ${program}]"
+
+    # No point in continuing if generating the index failed.
+    # N.B.: There are times when gdb won't create an index, and it's not a
+    # failure.  However, in our case we need an index.  So if you find one
+    # not being generated, you'll either have to tweak the .c file or maybe
+    # add a flag to force an index to be generated.
+    if { [remote_file host exists ${index_file}] } {
+	pass "gdb-index file created"
+    } else {
+	fail "gdb-index file created"
+	return ""
+    }
+
+    set program_with_index ${program}.with-index
+    if {[run_on_host "objcopy" [gdb_find_objcopy] "--remove-section .gdb_index --add-section .gdb_index=$index_file --set-section-flags .gdb_index=readonly ${program} ${program_with_index}"]} {
+	return ""
+    }
+    return ${program_with_index}
+}
+
+# Build a copy of the program with .gdb_index.
+# But only if the toolchain didn't already create one: gdb doesn't support
+# building an index from a program already using one.
+
+set test "check if index present"
+gdb_test_multiple "mt print objfiles ${testfile}" $test {
+    -re "gdb_index.*${gdb_prompt} $" {
+	set binfile_with_index $binfile
+    }
+    -re "Psymtabs.*${gdb_prompt} $" {
+	set binfile_with_index [add_gdb_index $binfile]
+	if { ${binfile_with_index} == "" } {
+	    return -1
+	}
+    }
+}
+
+# Ok, we have a copy of $binfile with .gdb_index.
+# Restart gdb and verify the index was used.
+
+clean_restart ${binfile_with_index}
+gdb_test "mt print objfiles ${testfile}" \
+    "gdb_index.*" \
+    ".gdb_index used"
+
+# Make gdb re-read symbols and see if .gdb_index still gets used.
+# symtab/15885
+
+# There is gdb_touch_execfile, but it doesn't handle remote hosts.
+# Is touch portable enough?
+# First make sure enough time has passed, file mtime resolution is seconds.
+gdb_test_no_output "shell sleep 1"
+if {[run_on_host "touch binary" touch ${binfile_with_index}]} {
+    return -1
+}
+
+if ![runto_main] {
+    return -1
+}
+gdb_test "mt print objfiles ${testfile}" \
+    "gdb_index.*" \
+    ".gdb_index used after symbol reloading"