When running gdb.dwarf2/nonvar-access.exp with board readnow, we have:
...
FAIL: gdb.dwarf2/nonvar-access.exp: print/x def_implicit_s
...
and 12 more similar failures.
I've tracked this down to the range of main being hardcoded to
[_main, _main+0x10000) in the dwarf assembly:
...
DW_TAG_subprogram {
{name main}
{DW_AT_external 1 flag}
{low_pc [gdb_target_symbol main] DW_FORM_addr}
{high_pc [gdb_target_symbol main]+0x10000 DW_FORM_addr}
} {
...
which overlaps with the .debug_info for the elf-init.c CU (containing
__libc_csu_init and __libc_csu_fini).
Fix this by using function_range to find the actual range of main.
Tested on x86_64-linux.
gdb/testsuite/ChangeLog:
2019-06-11 Tom de Vries <tdevries@suse.de>
PR testsuite/24521
* gdb.dwarf2/nonvar-access.exp: Fix main high_pc.
