static Dwarf_Die
find_cu_die(Dwarf_Debug dbg, Dwarf_Addr pc)
{
Dwarf_Error de = {0};
Dwarf_Die cu_die = NULL;
Dwarf_Arange *arlist;
Dwarf_Signed arcnt;
Dwarf_Arange ar;
Dwarf_Off die_offs;
if (dwarf_get_aranges(dbg, &arlist, &arcnt, &de) != DW_DLV_OK ||
dwarf_get_arange(arlist, arcnt, pc, &ar, &de) != DW_DLV_OK ||
dwarf_get_cu_die_offset(ar, &die_offs, &de) != DW_DLV_OK ||
dwarf_offdie(dbg, die_offs, &cu_die, &de) != DW_DLV_OK) {
NOTIFY_DWARF(de);
/* Try to find it by walking all CU's and looking at their lowpc+highpc
* entries, which should work if each has a single contiguous
* range. Note that Cygwin and MinGW gcc don't seen to include
* lowpc+highpc in their CU's.
*/
cu_die = find_cu_die_via_iter(dbg, pc);
}
return cu_die;
}
static void
tp_dwarf_arange(void)
{
Dwarf_Debug dbg;
Dwarf_Arange *aranges;
Dwarf_Arange arange;
Dwarf_Signed arange_cnt;
Dwarf_Off cu_die_offset, cu_die_offset2, cu_header_offset;
Dwarf_Addr start;
Dwarf_Unsigned length;
Dwarf_Error de;
int fd, i, r_aranges, r_arange;
result = TET_UNRESOLVED;
TS_DWARF_INIT(dbg, fd, de);
r_aranges = dwarf_get_aranges(dbg, &aranges, &arange_cnt, &de);
TS_CHECK_INT(r_aranges);
if (r_aranges == DW_DLV_ERROR) {
tet_printf("dwarf_get_aranges failed: %s\n", dwarf_errmsg(de));
result = TET_FAIL;
goto done;
}
if (r_aranges == DW_DLV_OK) {
for (i = 0; i < arange_cnt; i++) {
if (dwarf_get_cu_die_offset(aranges[i], &cu_die_offset,
&de) != DW_DLV_OK) {
tet_printf("dwarf_get_cu_die_offset failed:"
" %s\n", dwarf_errmsg(de));
result = TET_FAIL;
continue;
}
TS_CHECK_INT(cu_die_offset);
if (dwarf_get_arange_cu_header_offset(aranges[i],
&cu_header_offset, &de) != DW_DLV_OK) {
tet_printf("dwarf_get_arange_cu_header_offset"
"failed: %s\n", dwarf_errmsg(de));
result = TET_FAIL;
continue;
}
TS_CHECK_INT(cu_header_offset);
if (dwarf_get_arange_info(aranges[i], &start, &length,
&cu_die_offset2, &de) != DW_DLV_OK) {
tet_printf("dwarf_get_arange_info failed:%s\n",
dwarf_errmsg(de));
result = TET_FAIL;
continue;
}
TS_CHECK_UINT(start);
TS_CHECK_UINT(length);
TS_CHECK_UINT(cu_die_offset2);
r_arange = dwarf_get_arange(aranges, arange_cnt, start,
&arange, &de);
TS_CHECK_INT(r_arange);
r_arange = dwarf_get_arange(aranges, arange_cnt,
start + 1, &arange, &de);
TS_CHECK_INT(r_arange);
r_arange = dwarf_get_arange(aranges, arange_cnt,
start + length, &arange, &de);
TS_CHECK_INT(r_arange);
r_arange = dwarf_get_arange(aranges, arange_cnt,
start + length + 1, &arange, &de);
TS_CHECK_INT(r_arange);
r_arange = dwarf_get_arange(aranges, arange_cnt,
start + length - 1, &arange, &de);
TS_CHECK_INT(r_arange);
}
}
if (result == TET_UNRESOLVED)
result = TET_PASS;
done:
TS_DWARF_FINISH(dbg, de);
TS_RESULT(result);
}
