/* Ensure each stream is a single buffer and add that single buffer to the set of stream buffers. By creating a new buffer and copying if necessary. Free the input set of buffers if we consolidate. Return -1 on error (malloc failure) Return DW_DLV_OK on success. Any other return indicates malloc failed. */ int _dwarf_stream_relocs_to_disk(Dwarf_P_Debug dbg, Dwarf_Signed * new_sec_count) { unsigned long total_size = 0; int i = 0; Dwarf_Error erre = 0; Dwarf_Error *error = &erre; Dwarf_Signed sec_count = 0; for (i = 0; i < NUM_DEBUG_SECTIONS; ++i) { Dwarf_P_Per_Reloc_Sect p_reloc = dbg->de_reloc_sect +i; Dwarf_Small *data = 0; int sec_index = 0; unsigned long ct = p_reloc->pr_reloc_total_count; unsigned len = 0; struct Dwarf_P_Relocation_Block_s *p_blk = 0; struct Dwarf_P_Relocation_Block_s *p_blk_last = 0; Dwarf_P_Per_Reloc_Sect prb = 0; if (ct == 0) { continue; } prb = &dbg->de_reloc_sect[i]; len = dbg->de_relocation_record_size; ++sec_count; total_size = ct * len; sec_index = prb->pr_sect_num_of_reloc_sect; if (sec_index == 0) { /* Call de_callback_func or de_callback_func_b or _c, getting section number of reloc section. */ int rel_section_index = 0; Dwarf_Unsigned name_idx = 0; int erri = 0; if (dbg->de_callback_func) { rel_section_index = dbg->de_callback_func(_dwarf_rel_section_names[i], /* size */ dbg->de_relocation_record_size, /* type */ SHT_REL, /* flags */ 0, /* link to symtab, which we cannot know */ 0, /* info == link to sec rels apply to */ dbg->de_elf_sects[i], &name_idx, dbg->de_user_data, &erri); } if (rel_section_index == -1) { { _dwarf_p_error(dbg, error, DW_DLE_ELF_SECT_ERR); return (DW_DLV_ERROR); } } prb->pr_sect_num_of_reloc_sect = rel_section_index; sec_index = rel_section_index; } GET_CHUNK(dbg, sec_index, data, total_size, &erri); p_blk = p_reloc->pr_first_block; /* Following loop executes at least once. Effects the consolidation to a single block or, if already a single block, simply copies to the output buffer. And frees the input block. The new block is in the de_debug_sects list. */ while (p_blk) { unsigned long lenk = p_blk->rb_where_to_add_next - p_blk->rb_data; memcpy(data, p_blk->rb_data, lenk); data += lenk; p_blk_last = p_blk; p_blk = p_blk->rb_next; _dwarf_p_dealloc(dbg, (Dwarf_Small *) p_blk_last); } /* ASSERT: sum of len copied == total_size */ /* We have copied the input, now drop the pointers to it. For debugging, leave the other data untouched. */ p_reloc->pr_first_block = 0; p_reloc->pr_last_block = 0; } *new_sec_count = sec_count; return DW_DLV_OK; }