[Bug symtab/27333] [dwarf-5] abort on unhandled DW_TAG_type_unit in process_psymtab_comp_unit
cvs-commit at gcc dot gnu.org
sourceware-bugzilla@sourceware.org
Sat Mar 6 06:34:44 GMT 2021
https://sourceware.org/bugzilla/show_bug.cgi?id=27333
--- Comment #6 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
The gdb-10-branch branch has been updated by Joel Brobecker
<brobecke@sourceware.org>:
https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=df3ec334b8ccec482dac01fe2ff12030701da5ee
commit df3ec334b8ccec482dac01fe2ff12030701da5ee
Author: Tom de Vries <tdevries@suse.de>
Date: Fri Feb 5 17:47:07 2021 +0100
[gdb/symtab] Handle DW_TAG_type_unit in process_psymtab_comp_unit
When running test-case gdb.cp/cpexprs-debug-types.exp with target board
unix/gdb:debug_flags=-gdwarf-5, I run into:
...
(gdb) file cpexprs-debug-types^M
Reading symbols from cpexprs-debug-types...^M
ERROR: Couldn't load cpexprs-debug-types into GDB (eof).
ERROR: Couldn't send delete breakpoints to GDB.
ERROR: GDB process no longer exists
GDB process exited with wait status 23054 exp9 0 0 CHILDKILLED SIGABRT
SIGABRT
...
We're running into this abort in process_psymtab_comp_unit:
...
switch (reader.comp_unit_die->tag)
{
case DW_TAG_compile_unit:
this_cu->unit_type = DW_UT_compile;
break;
case DW_TAG_partial_unit:
this_cu->unit_type = DW_UT_partial;
break;
default:
abort ();
}
...
because reader.comp_unit_die->tag == DW_TAG_type_unit.
Fix this by adding a DW_TAG_type_unit case.
Tested on x86_64-linux.
gdb/ChangeLog:
2021-02-05 Tom de Vries <tdevries@suse.de>
PR symtab/27333
* dwarf2/read.c (process_psymtab_comp_unit): Handle
DW_TAG_type_unit.
(cherry picked from commit e77b0004dd114d6ddf3bb92b521b2854341f3f85)
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