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| author | Vladimir Mezentsev <vladimir.mezentsev@oracle.com> | 2023-12-18 21:04:57 -0800 |
|---|---|---|
| committer | Vladimir Mezentsev <vladimir.mezentsev@oracle.com> | 2023-12-20 14:04:35 -0800 |
| commit | 0b3ad397ef2dc54602d7966af53515061312733c (patch) | |
| tree | 2c991acfb05b816bf9dfda05301c253567cf829a /gprofng | |
| parent | 33179c5b57c9fc89c061deb1d387f972b8604b49 (diff) | |
| download | gdb-0b3ad397ef2dc54602d7966af53515061312733c.zip gdb-0b3ad397ef2dc54602d7966af53515061312733c.tar.gz gdb-0b3ad397ef2dc54602d7966af53515061312733c.tar.bz2 | |
gprofng: 31169 Source code locations can not be found in a C++ application
gprofng incorrectly reads the form of the DW_FORM_ref_addr attribute for DWARF
Version 3 or later.
From DWARF specification:
References that use the attribute form DW_FORM_ref_addr are specified to
be four bytes in the DWARF 32-bit format and eight bytes in the DWARF
64-bit format, while DWARF Version 2 specifies that such references have
the same size as an address on the target system.
2023-12-18 Vladimir Mezentsev <vladimir.mezentsev@oracle.com>
PR gprofng/31169
* src/DwarfLib.cc: Fix the reader for DW_FORM_ref_addr.
Diffstat (limited to 'gprofng')
| -rw-r--r-- | gprofng/src/DwarfLib.cc | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/gprofng/src/DwarfLib.cc b/gprofng/src/DwarfLib.cc index 90c3e6e..6273282 100644 --- a/gprofng/src/DwarfLib.cc +++ b/gprofng/src/DwarfLib.cc @@ -2034,7 +2034,10 @@ DwrCU::set_die (Dwarf_Die die) atf->u.offset = debug_infoSec->GetULEB128 (); break; case DW_FORM_ref_addr: - atf->u.offset = debug_infoSec->GetADDR (); + if (version > 2) + atf->u.offset = debug_infoSec->GetRef (); + else + atf->u.offset = debug_infoSec->GetADDR (); break; case DW_FORM_sec_offset: atf->u.offset = debug_infoSec->GetRef (); |