diff options
| author | xtkoba <[email protected]> | 2021-04-30 23:29:57 +0900 |
|---|---|---|
| committer | Aaron Patterson <[email protected]> | 2021-09-23 12:29:07 -0700 |
| commit | 77e6715d67b92b16bcb4588e0da37b494cdc5278 () | |
| tree | 45888f4696ef02e0aa1429cd0297c5ffc79958a0 | |
| parent | f140965b973c2b6c3fb3e029cb8484cf45a0f1ec (diff) | |
Interpret `DW_RLE_start_length`
Fixes [Bug #17823]
Notes: Merged: https://.com/ruby/ruby/pull/4439
| -rw-r--r-- | addr2line.c | 27 |
1 files changed, 15 insertions, 12 deletions
@@ -1436,16 +1436,17 @@ ranges_include(DebugInfoReader *reader, ranges_t *ptr, uint64_t addr) /* TODO: support base address selection entry */ const char *p; uint64_t base = ptr->low_pc_set ? ptr->low_pc : reader->current_low_pc; if (reader->obj->debug_rnglists.ptr) { p = reader->obj->debug_rnglists.ptr + ptr->ranges; for (;;) { uint8_t rle = read_uint8(&p); - uintptr_t base_address = 0; - uintptr_t from, to; if (rle == DW_RLE_end_of_list) break; switch (rle) { case DW_RLE_base_addressx: uleb128(&p); break; case DW_RLE_startx_endx: uleb128(&p); @@ -1456,24 +1457,26 @@ ranges_include(DebugInfoReader *reader, ranges_t *ptr, uint64_t addr) uleb128(&p); break; case DW_RLE_offset_pair: - from = base_address + uleb128(&p); - to = base_address + uleb128(&p); - if (base + from <= addr && addr < base + to) { - return from; - } break; case DW_RLE_base_address: - base_address = (uintptr_t)read_dw_form_addr(reader, &p); break; case DW_RLE_start_end: - read_dw_form_addr(reader, &p); - read_dw_form_addr(reader, &p); break; case DW_RLE_start_length: - read_dw_form_addr(reader, &p); - uleb128(&p); break; } } return false; } |