Subversion Repositories openrisc_me

# Copyright 2010 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 .

# Test some DWARF piece operators.

# This test can only be run on targets which support DWARF-2 and use gas.

# For now pick a sampling of likely targets.

if {![istarget *-*-linux*]

    && ![istarget *-*-gnu*]

    && ![istarget *-*-elf*]

    && ![istarget *-*-openbsd*]

    && ![istarget arm-*-eabi*]

    && ![istarget powerpc-*-eabi*]} {

    return 0

}

# This test can only be run on x86 targets.

if {![istarget i?86-*]} {

    return 0

}

set testfile "pieces"

set srcfile ${testfile}.S

set csrcfile ${testfile}.c

set binfile ${objdir}/${subdir}/${testfile}.x

if {[prepare_for_testing ${testfile}.exp ${testfile}.x $srcfile]} {

    return -1

}

if ![runto_main] {

    return -1

}

# Function f1 tests a particular gdb bug involving DW_OP_piece.

proc pieces_test_f1 {} {

    global csrcfile

    set line [gdb_get_line_number "f1 breakpoint" $csrcfile]

    gdb_test "break pieces.c:$line" "Breakpoint 2.*" \

        "set f1 breakpoint for pieces"

    gdb_continue_to_breakpoint "continue to f1 breakpoint for pieces"

    gdb_test "print a" " = {i = 4, j = 14}" "print a in pieces:f1"

    gdb_test "print a.j" " = 14" "print a.j in pieces:f1"

}

# Function f2 tests for a bug when indexing into an array created

# using DW_OP_piece.

proc pieces_test_f2 {} {

    global csrcfile

    set line [gdb_get_line_number "f2 breakpoint" $csrcfile]

    gdb_test "break pieces.c:$line" "Breakpoint 3.*" \

       "set f2 breakpoint for pieces"

    gdb_continue_to_breakpoint "continue to f2 breakpoint for pieces"

    gdb_test "print a" " = .4, 14." "print a in pieces:f2"

    gdb_test "print a\[0\]" " = 4" "print a\[0\] in pieces:f2"

    gdb_test "print a\[1\]" " = 14" "print a\[1\] in pieces:f2"

}

# Function f3 tests DW_OP_bit_piece.

proc pieces_test_f3 {} {

    global csrcfile

    set line [gdb_get_line_number "f3 breakpoint" $csrcfile]

    gdb_test "break pieces.c:$line" "Breakpoint 4.*" \

       "set f3 breakpoint for pieces"

    gdb_continue_to_breakpoint "continue to f3 breakpoint for pieces"

    gdb_test "print a.i" " = 4" "print a.i in pieces:f3"

    gdb_test "print a.j" " = 14" "print a.j in pieces:f3"

    gdb_test "print a.i = 7" " = 7" "set a.i in pieces:f3"

    gdb_test "print a.i" " = 7" "print new a.i in pieces:f3"

}

# Function f6 tests for an empty DW_OP_piece.

proc pieces_test_f6 {} {

    global csrcfile

    set line [gdb_get_line_number "f6 breakpoint" $csrcfile]

    gdb_test "break pieces.c:$line" "Breakpoint 5.*" \

       "set f6 breakpoint for pieces"

    gdb_continue_to_breakpoint "continue to f6 breakpoint for pieces"

    gdb_test "print a" \

        " = {i = 7, j = 8, q = .value optimized out.}" \

        "print a with optimized out piece"

    # Note: no warning for this case.

    gdb_test_multiple "print a.i" \

        "print a.i with optimized out piece" {

            -re "warning: some bits in computed object" {

                fail "print a.i with optimized out piece"

            }

            -re " = 7" {

                pass "print a.i with optimized out piece"

            }

        }

}

pieces_test_f1

pieces_test_f2

pieces_test_f3

pieces_test_f6