diff options
Diffstat (limited to 'gdb/testsuite/gdb.dwarf2/dw2-regno-invalid.exp')
| -rw-r--r-- | gdb/testsuite/gdb.dwarf2/dw2-regno-invalid.exp | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/gdb/testsuite/gdb.dwarf2/dw2-regno-invalid.exp b/gdb/testsuite/gdb.dwarf2/dw2-regno-invalid.exp new file mode 100644 index 0000000..a7d77c5 --- /dev/null +++ b/gdb/testsuite/gdb.dwarf2/dw2-regno-invalid.exp @@ -0,0 +1,71 @@ +# Copyright 2015 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 + +# Test GDB does not internal error on DWARF register number -1 which is invalid +# in DWARF. clang-3.5.0-9.fc22.x86_64 produced it inside DW_AT_location. + +# This test can only be run on targets which support DWARF-2 and use gas. +if {![dwarf2_support]} { + return 0 +} + +standard_testfile .S main.c + +# Make some DWARF for the test. +set asm_file [standard_output_file $srcfile] +Dwarf::assemble $asm_file { + cu {} { + compile_unit { + {low_pc main DW_FORM_addr} + {high_pc main+0x10000 DW_FORM_addr} + } { + declare_labels integer_label + + integer_label: DW_TAG_base_type { + {DW_AT_byte_size 4 DW_FORM_sdata} + {DW_AT_encoding @DW_ATE_signed} + {DW_AT_name integer} + } + + DW_TAG_subprogram { + {name main} + {DW_AT_external 1 flag} + {low_pc main DW_FORM_addr} + {high_pc main+0x10000 DW_FORM_addr} + } { + DW_TAG_variable { + {DW_AT_name bregx} + {DW_AT_type :$integer_label} + {DW_AT_external 1 flag} + {DW_AT_location { + DW_OP_bregx 0xffffffff 0 + } SPECIAL_expr} + } + } + } + } +} + +if { [prepare_for_testing ${testfile}.exp ${testfile} \ + [list $srcfile2 $asm_file] {nodebug}] } { + return -1 +} + +runto_main + +# Variable 'bregx' needs to be inside main as for global symbols GDB does not +# support non-trivial DW_AT_location. Former GDB printed internal error here. +gdb_test "p bregx" |