From a6be053897be3786ceda9a59d17befe11454f6d2 Mon Sep 17 00:00:00 2001 From: Pip Cet Date: Mon, 27 Mar 2017 13:41:39 +0100 Subject: Add support for the WebAssembly backend to the BFD library. * wasm-module.c: New file to support WebAssembly modules. * wasm-module.h: New file to support WebAssembly modules. * doc/webassembly.texi: Start documenting wasm-module.c. * config.bfd: Add wasm_vec. * targets.c: Likewise. * configure.ac: Likewise. * Makefile.am: Add entries for wasm-module.c. * Makefile.in: Regenerate. * configure: Regenerate. * po/SRC-POTFILES.in: Regenerate. --- bfd/wasm-module.h | 52 ++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 52 insertions(+) create mode 100644 bfd/wasm-module.h (limited to 'bfd/wasm-module.h') diff --git a/bfd/wasm-module.h b/bfd/wasm-module.h new file mode 100644 index 0000000..a6fd557 --- /dev/null +++ b/bfd/wasm-module.h @@ -0,0 +1,52 @@ +/* BFD back-end for WebAssembly modules. + Copyright (C) 2017 Free Software Foundation, Inc. + + This file is part of BFD, the Binary File Descriptor library. + + 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. */ + +#ifndef _WASM_MODULE_H +#define _WASM_MODULE_H + +/* WebAssembly module file header. Note that WASM_VERSION is a 32-bit + little-endian integer, not an LEB128-encoded integer. */ +#define SIZEOF_WASM_MAGIC 4 +#define WASM_MAGIC { 0x00, 'a', 's', 'm' } +#define SIZEOF_WASM_VERSION 4 +#define WASM_VERSION { 0x01, 0x00, 0x00, 0x00 } + +/* Prefix to use to form section names. */ +#define WASM_SECTION_PREFIX ".wasm." + +/* NUMBER is currently unused, but is included for error checking purposes. */ +#define WASM_SECTION(number, name) (WASM_SECTION_PREFIX name) + +/* Section names. WASM_NAME_SECTION is the name of the named section + named "name". */ +#define WASM_NAME_SECTION WASM_SECTION (0, "name") +#define WASM_RELOC_SECTION_PREFIX WASM_SECTION (0, "reloc.") +#define WASM_LINKING_SECTION WASM_SECTION (0, "linking") +#define WASM_DYLINK_SECTION WASM_SECTION (0, "dylink") + +/* Subsection indices. Right now, that's subsections of the "name" + section only. */ +#define WASM_FUNCTION_SUBSECTION 1 /* Function names. */ +#define WASM_LOCALS_SUBSECTION 2 /* Names of locals by function. */ + +/* The section to report wasm symbols in. */ +#define WASM_SECTION_FUNCTION_INDEX ".space.function_index" + +#endif /* _WASM_MODULE_H */ -- cgit v1.1