diff options
Diffstat (limited to 'gdb')
| -rw-r--r-- | gdb/ChangeLog | 5 | ||||
| -rw-r--r-- | gdb/dwarf2loc.c | 39 |
2 files changed, 44 insertions, 0 deletions
diff --git a/gdb/ChangeLog b/gdb/ChangeLog index cd89a44..5513bea 100644 --- a/gdb/ChangeLog +++ b/gdb/ChangeLog @@ -1,3 +1,8 @@ +2020-01-16 Nitika Achra <Nitika.Achra@amd.com> + + * dwarf2loc.c (decode_debug_loclists_addresses): Handle + DW_LLE_base_addressx, DW_LLE_startx_length, DW_LLE_start_length. + 2020-01-15 Simon Marchi <simon.marchi@efficios.com> * infcmd.c (post_create_inferior): Use get_thread_regcache diff --git a/gdb/dwarf2loc.c b/gdb/dwarf2loc.c index 1fe6829..405b239 100644 --- a/gdb/dwarf2loc.c +++ b/gdb/dwarf2loc.c @@ -173,6 +173,41 @@ decode_debug_loclists_addresses (struct dwarf2_per_cu_data *per_cu, switch (*loc_ptr++) { + case DW_LLE_base_addressx: + *low = 0; + loc_ptr = gdb_read_uleb128 (loc_ptr, buf_end, &u64); + if (loc_ptr == NULL) + return DEBUG_LOC_BUFFER_OVERFLOW; + *high = dwarf2_read_addr_index (per_cu, u64); + *new_ptr = loc_ptr; + return DEBUG_LOC_BASE_ADDRESS; + case DW_LLE_startx_length: + loc_ptr = gdb_read_uleb128 (loc_ptr, buf_end, &u64); + if (loc_ptr == NULL) + return DEBUG_LOC_BUFFER_OVERFLOW; + *low = dwarf2_read_addr_index (per_cu, u64); + *high = *low; + loc_ptr = gdb_read_uleb128 (loc_ptr, buf_end, &u64); + if (loc_ptr == NULL) + return DEBUG_LOC_BUFFER_OVERFLOW; + *high += u64; + *new_ptr = loc_ptr; + return DEBUG_LOC_START_LENGTH; + case DW_LLE_start_length: + if (buf_end - loc_ptr < addr_size) + return DEBUG_LOC_BUFFER_OVERFLOW; + if (signed_addr_p) + *low = extract_signed_integer (loc_ptr, addr_size, byte_order); + else + *low = extract_unsigned_integer (loc_ptr, addr_size, byte_order); + loc_ptr += addr_size; + *high = *low; + loc_ptr = gdb_read_uleb128 (loc_ptr, buf_end, &u64); + if (loc_ptr == NULL) + return DEBUG_LOC_BUFFER_OVERFLOW; + *high += u64; + *new_ptr = loc_ptr; + return DEBUG_LOC_START_LENGTH; case DW_LLE_end_of_list: *new_ptr = loc_ptr; return DEBUG_LOC_END_OF_LIST; @@ -197,6 +232,10 @@ decode_debug_loclists_addresses (struct dwarf2_per_cu_data *per_cu, *high = u64; *new_ptr = loc_ptr; return DEBUG_LOC_START_END; + /* Following cases are not supported yet. */ + case DW_LLE_startx_endx: + case DW_LLE_start_end: + case DW_LLE_default_location: default: return DEBUG_LOC_INVALID_ENTRY; } |