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https://sourceware.org/git/binutils-gdb.git
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4a94e36819
This commit brings all the changes made by running gdb/copyright.py as per GDB's Start of New Year Procedure. For the avoidance of doubt, all changes in this commits were performed by the script.
104 lines
3.7 KiB
Plaintext
104 lines
3.7 KiB
Plaintext
# Copyright 2010-2022 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 "failed to prepare" ${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 dwarf 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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# We are breaking in an inlined function. GDB should appear to
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# have stopped "in" the inlined function.
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gdb_test "up" "#1 foo .*"
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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 "down" "#0 add .*"
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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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