ld: Add minimal pdb generation

1 files changed, 111 insertions, 0 deletions

diff --git a/ld/pdb.h b/ld/pdb.h
new file mode 100644
index 0000000..e5f53b4
--- /dev/null
+++ b/ld/pdb.h
@@ -0,0 +1,111 @@
+/* pdb.h - header file for generating PDB CodeView debugging files.
+   Copyright (C) 2022 Free Software Foundation, Inc.
+
+   This file is part of the GNU Binutils.
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 3 of the License, or
+   (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software
+   Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
+   MA 02110-1301, USA.  */
+
+/* Header files referred to below can be found in Microsoft's PDB
+   repository: https://github.com/microsoft/microsoft-pdb.  */
+
+#ifndef PDB_H
+#define PDB_H
+
+#include "sysdep.h"
+#include "bfd.h"
+#include <stdbool.h>
+
+/* PDBStream70 in pdb1.h */
+struct pdb_stream_70
+{
+  uint32_t version;
+  uint32_t signature;
+  uint32_t age;
+  uint8_t guid[16];
+};
+
+#define PDB_STREAM_VERSION_VC70		20000404
+#define PDB_STREAM_VERSION_VC140	20140508
+
+/* HDR in tpi.h */
+struct pdb_tpi_stream_header
+{
+  uint32_t version;
+  uint32_t header_size;
+  uint32_t type_index_begin;
+  uint32_t type_index_end;
+  uint32_t type_record_bytes;
+  uint16_t hash_stream_index;
+  uint16_t hash_aux_stream_index;
+  uint32_t hash_key_size;
+  uint32_t num_hash_buckets;
+  uint32_t hash_value_buffer_offset;
+  uint32_t hash_value_buffer_length;
+  uint32_t index_offset_buffer_offset;
+  uint32_t index_offset_buffer_length;
+  uint32_t hash_adj_buffer_offset;
+  uint32_t hash_adj_buffer_length;
+};
+
+#define TPI_STREAM_VERSION_80		20040203
+
+#define TPI_FIRST_INDEX			0x1000
+
+/* NewDBIHdr in dbi.h */
+struct pdb_dbi_stream_header
+{
+  uint32_t version_signature;
+  uint32_t version_header;
+  uint32_t age;
+  uint16_t global_stream_index;
+  uint16_t build_number;
+  uint16_t public_stream_index;
+  uint16_t pdb_dll_version;
+  uint16_t sym_record_stream;
+  uint16_t pdb_dll_rbld;
+  uint32_t mod_info_size;
+  uint32_t section_contribution_size;
+  uint32_t section_map_size;
+  uint32_t source_info_size;
+  uint32_t type_server_map_size;
+  uint32_t mfc_type_server_index;
+  uint32_t optional_dbg_header_size;
+  uint32_t ec_substream_size;
+  uint16_t flags;
+  uint16_t machine;
+  uint32_t padding;
+};
+
+#define DBI_STREAM_VERSION_70		19990903
+
+struct optional_dbg_header
+{
+  uint16_t fpo_stream;
+  uint16_t exception_stream;
+  uint16_t fixup_stream;
+  uint16_t omap_to_src_stream;
+  uint16_t omap_from_src_stream;
+  uint16_t section_header_stream;
+  uint16_t token_map_stream;
+  uint16_t xdata_stream;
+  uint16_t pdata_stream;
+  uint16_t new_fpo_stream;
+  uint16_t orig_section_header_stream;
+};
+
+extern bool create_pdb_file (bfd *, const char *, const unsigned char *);
+
+#endif