| # Copyright 2018-2021 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/>. |
| |
| # This tests a segfault that occurs when reading inlined_subroutine DIEs |
| # with abstract_origins pointing to DIEs in other CUs. |
| # |
| # See https://bugzilla.redhat.com/show_bug.cgi?id=1638798 . |
| |
| load_lib dwarf.exp |
| |
| # This test can only be run on targets which support DWARF. |
| if {![dwarf2_support]} { |
| return 0 |
| } |
| |
| standard_testfile main.c .S |
| |
| # Create the DWARF. This is derived from the reproducer in the Fedora |
| # bugzila mentioned above. For clarity, some "superfluous" DIES have |
| # been left instead of simplifying/pruning the test further. |
| set asm_file [standard_output_file $srcfile2] |
| Dwarf::assemble $asm_file { |
| declare_labels Db D72f8 D736e |
| declare_labels D266465 D266477 D266483 D266496 D266498 D266ad3 D266ad9 \ |
| D266ade D26b227 D26b237 |
| declare_labels D26d8b1 D26d8c3 D26d8cf D26d944 D26d946 D26e103 D26e145 \ |
| D26e415 D26e48c D26df00 D26df06 D26df0b D272519 D274c1a D274c42 |
| |
| cu {} { |
| Db: compile_unit { |
| {language @DW_LANG_C99} |
| {name "<artificial>"} |
| } { |
| D72f8: subprogram { |
| {abstract_origin %$D272519} |
| {low_pc 0xb9e20 addr} |
| {high_pc 0x1f5 data4} |
| } { |
| D736e: inlined_subroutine { |
| {abstract_origin %$D26b227} |
| {low_pc 0xb9efc addr} |
| {high_pc 0xc data4} |
| } { |
| formal_parameter { |
| {abstract_origin %$D274c42} |
| } |
| } |
| } |
| } |
| } |
| |
| cu {} { |
| D266465: compile_unit { |
| {language @DW_LANG_C99} |
| } { |
| D266477: typedef { |
| {name "size_t"} |
| {type :$D266483} |
| } |
| |
| D266483: base_type { |
| {byte_size 8 sdata} |
| {encoding @DW_ATE_unsigned} |
| } |
| |
| D266496: pointer_type { |
| {byte_size 8 sdata} |
| } |
| |
| D266498: restrict_type { |
| {type :$D266496} |
| } |
| |
| D266ad3: pointer_type { |
| {byte_size 8 sdata} |
| {type :$D266ade} |
| } |
| |
| D266ad9: restrict_type { |
| {type :$D266ad3} |
| } |
| |
| D266ade: const_type {} |
| |
| D26b227: subprogram { |
| {external 1 flag} |
| {name "memcpy"} |
| {type :$D266496} |
| } { |
| D26b237: formal_parameter { |
| {name "__dest"} |
| {type :$D266498} |
| } |
| formal_parameter { |
| {name "__src"} |
| {type :$D266ad9} |
| } |
| formal_parameter { |
| {name "__len"} |
| {type :$D266477} |
| } |
| } |
| } |
| } |
| |
| cu {} { |
| D26d8b1: compile_unit { |
| {language @DW_LANG_C99} |
| } { |
| D26d8c3: typedef { |
| {name "size_t"} |
| {type :$D26d8cf} |
| } |
| |
| D26d8cf: base_type { |
| {byte_size 8 sdata} |
| {encoding @DW_ATE_unsigned} |
| {name "long unsigned int"} |
| } |
| |
| D26d944: pointer_type { |
| {byte_size 8 sdata} |
| } |
| |
| D26d946: restrict_type { |
| {type :$D26d944} |
| } |
| |
| D26e103: structure_type { |
| {name "__object"} |
| {byte_size 12 sdata} |
| } { |
| member { |
| {name "__ob_next"} |
| {type :$D26e145} |
| {data_member_location 0 sdata} |
| } |
| } |
| |
| D26e145: pointer_type { |
| {byte_size 8 sdata} |
| {type :$D26e103} |
| } |
| |
| D26e415: typedef { |
| {name "PyObject"} |
| {type :$D26e103} |
| } |
| |
| D26e48c: pointer_type { |
| {byte_size 8 sdata} |
| {type :$D26e415} |
| } |
| |
| D26df00: pointer_type { |
| {byte_size 8 sdata} |
| {type :$D26df0b} |
| } |
| |
| D26df06: restrict_type { |
| {type :$D26df00} |
| } |
| |
| D26df0b: const_type {} |
| |
| D272519: subprogram { |
| {name "bytes_repeat"} |
| {type :$D26e48c} |
| } |
| |
| D274c1a: subprogram { |
| {external 1 flag} |
| {name "memcpy"} |
| {type :$D26d944} |
| } { |
| formal_parameter { |
| {name "__dest"} |
| {type :$D26d946} |
| } |
| formal_parameter { |
| {name "__src"} |
| {type :$D26df06} |
| } |
| D274c42: formal_parameter { |
| {name "__len"} |
| {type :$D26d8c3} |
| } |
| } |
| } |
| } |
| } |
| |
| if {[prepare_for_testing "failed to prepare" $testfile \ |
| "${asm_file} ${srcfile}" {}]} { |
| return -1 |
| } |
| |
| # All we need to do is set a breakpoint, which causes the DWARF |
| # info to be read, to demonstrate the problem. |
| |
| gdb_breakpoint "bytes_repeat" message |