100 lines
3.6 KiB
Plaintext
100 lines
3.6 KiB
Plaintext
# Copyright 2010-2014 Free Software Foundation, Inc.
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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load_lib dwarf.exp
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# Test DW_OP_GNU_implicit_pointer.
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# This test can only be run on targets which support DWARF-2 and use gas.
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if {![dwarf2_support]} {
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return 0
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}
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standard_testfile .S
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set csrcfile ${testfile}.c
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set opts {}
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if [info exists COMPILE] {
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# make check RUNTESTFLAGS='gdb.dwarf2/implptr.exp COMPILE=1 CC_FOR_TARGET=gcc\ -m32'
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set srcfile ${csrcfile}
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lappend opts debug optimize=-O2
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} elseif {![is_x86_like_target]} {
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# This test can only be run on x86 targets.
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return 0
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}
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if {[prepare_for_testing ${testfile}.exp ${testfile} $srcfile $opts]} {
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return -1
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}
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# Additional test to verify the referenced CU is not aged out.
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gdb_test_no_output "maintenance set dwarf2 max-cache-age 0"
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if ![runto_main] {
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return -1
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}
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# Test various pointer depths in bar.
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proc implptr_test_bar {} {
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global csrcfile
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set line [gdb_get_line_number "bar breakpoint" $csrcfile]
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gdb_test "break implptr.c:$line" "Breakpoint 2.*" \
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"set bar breakpoint for implptr"
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gdb_continue_to_breakpoint "continue to bar breakpoint for implptr"
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gdb_test "print j" " = \\(intp\\) <synthetic pointer>" "print j in implptr:bar"
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gdb_test {print sizeof (j[0])} " = 4" {print sizeof (j[0]) in implptr:bar}
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gdb_test "print *j" " = 5" "print *j in implptr:bar"
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gdb_test "print **k" " = 5" "print **k in implptr:bar"
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gdb_test "print ***l" " = 5" "print ***l in implptr:bar"
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}
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# Test implicit pointer offset.
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proc implptr_test_baz {} {
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global csrcfile
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set line [gdb_get_line_number "baz breakpoint" $csrcfile]
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gdb_test "break implptr.c:$line" "Breakpoint 3.*" \
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"set baz breakpoint for implptr"
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gdb_continue_to_breakpoint "continue to baz breakpoint for implptr"
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gdb_test {p p[0].y} " = 92" "sanity check element 0"
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gdb_test {p p[1].y} " = 46" "sanity check element 1"
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gdb_test "step" "\r\nadd \\(.*" "enter the inlined function"
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gdb_test "p a->y" " = 92" "check element 0 for the offset"
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gdb_test "p b->y" " = 46" "check element 1 for the offset"
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gdb_continue_to_breakpoint "ignore the second baz breakpoint"
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}
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# Test some values in foo.
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proc implptr_test_foo {} {
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global csrcfile
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set line [gdb_get_line_number "foo breakpoint" $csrcfile]
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gdb_test "break implptr.c:$line" "Breakpoint 4.*" \
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"set foo breakpoint for implptr"
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gdb_continue_to_breakpoint "continue to foo breakpoint for implptr"
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gdb_test "print p\[0].x" " = \\(int \\*\\) <synthetic pointer>" \
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"print p\[0].x in implptr:foo"
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gdb_test "print *p\[0].x" " = 69" \
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"print *p\[0].x in implptr:foo"
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gdb_test "print/d *(((char *) p\[0].x) + 1)" " = 0" \
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"print byte inside *p\[0].x in implptr:foo"
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gdb_test "print *(p\[0].x + 10)" \
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"access outside bounds of object referenced via synthetic pointer" \
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"print invalid offset from *p\[0].x in implptr:foo"
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gdb_test "print j" " = 69" \
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"print j in implptr:foo"
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}
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implptr_test_bar
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implptr_test_baz
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implptr_test_foo
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