| /* Internal abbrev list handling |
| Copyright (C) 2000, 2001, 2002 Red Hat, Inc. |
| Written by Ulrich Drepper <drepper@redhat.com>, 2000. |
| |
| This program is Open Source software; you can redistribute it and/or |
| modify it under the terms of the Open Software License version 1.0 as |
| published by the Open Source Initiative. |
| |
| You should have received a copy of the Open Software License along |
| with this program; if not, you may obtain a copy of the Open Software |
| License version 1.0 from http://www.opensource.org/licenses/osl.php or |
| by writing the Open Source Initiative c/o Lawrence Rosen, Esq., |
| 3001 King Ranch Road, Ukiah, CA 95482. */ |
| |
| #ifdef HAVE_CONFIG_H |
| # include <config.h> |
| #endif |
| |
| #include <dwarf.h> |
| #include <stdlib.h> |
| |
| #include <libdwarfP.h> |
| |
| |
| Dwarf_Abbrev |
| __libdwarf_get_abbrev (dbg, cu, code, error) |
| Dwarf_Debug dbg; |
| Dwarf_CU_Info cu; |
| Dwarf_Word code; |
| Dwarf_Error *error; |
| { |
| Dwarf_Abbrev ent; |
| |
| /* See whether the entry is already in the hash table. */ |
| ent = Dwarf_Abbrev_Hash_find (&cu->abbrev_hash, code, NULL); |
| if (ent != NULL) |
| return ent; |
| |
| while (1) |
| { |
| Dwarf_Unsigned length; |
| Dwarf_Unsigned attr_count; |
| |
| if (dwarf_get_abbrev (dbg, cu->last_abbrev_offset, &ent, &length, |
| &attr_count, error) != DW_DLV_OK) |
| return NULL; |
| |
| if (length == 1) |
| /* This is the end of the list. */ |
| break; |
| |
| /* Update the offset to the next record. */ |
| cu->last_abbrev_offset += length; |
| |
| /* Insert the new entry into the hashing table. */ |
| if (unlikely (Dwarf_Abbrev_Hash_insert (&cu->abbrev_hash, ent->code, ent) |
| != 0)) |
| { |
| free (ent); |
| __libdwarf_error (dbg, error, DW_E_NOMEM); |
| return NULL; |
| } |
| |
| /* Is this the code we are looking for? */ |
| if (ent->code == code) |
| /* Yes! */ |
| return ent; |
| } |
| |
| /* If we come here we haven't found anything. */ |
| __libdwarf_error (dbg, error, DW_E_NO_ABBR); |
| return NULL; |
| } |