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| author | Pip Cet <pipcet@gmail.com> | 2017-03-27 11:39:50 +0100 |
|---|---|---|
| committer | Nick Clifton <nickc@redhat.com> | 2017-03-27 11:39:50 +0100 |
| commit | 8fb740dd3032543b833b141011aa2005c035d024 (patch) | |
| tree | 34de95e73bd28e877d1a1259d19fbe088f0329b2 /bfd/elf32-wasm32.c | |
| parent | c0c31e91adc6aabe7c96f02dd51a0f6200a982da (diff) | |
| download | gdb-8fb740dd3032543b833b141011aa2005c035d024.zip gdb-8fb740dd3032543b833b141011aa2005c035d024.tar.gz gdb-8fb740dd3032543b833b141011aa2005c035d024.tar.bz2 | |
Add minimal support for WebAssembly backend to the BFD library.
include * elf/wasm32.h: New file to support wasm32 architecture.
bfd * cpu-wasm32.c: New file to support wasm32 architecture.
* elf32-wasm32.c: New file to support wasm32 architecture.
* Makefile.am: Add wasm32 architecture.
* archures.c: Likewise.
* config.bfd: Likewise.
* configure.ac: Likewise.
* targets.c: Likewise.
Diffstat (limited to 'bfd/elf32-wasm32.c')
| -rw-r--r-- | bfd/elf32-wasm32.c | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/bfd/elf32-wasm32.c b/bfd/elf32-wasm32.c new file mode 100644 index 0000000..9b38272 --- /dev/null +++ b/bfd/elf32-wasm32.c @@ -0,0 +1,52 @@ +/* 32-bit ELF for the WebAssembly target + 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. */ + +#include "sysdep.h" +#include "bfd.h" +#include "libbfd.h" +#include "elf-bfd.h" +#include "bfd_stdint.h" +#include "elf/wasm32.h" + +#define ELF_ARCH bfd_arch_wasm32 +#define ELF_TARGET_ID EM_WEBASSEMBLY +#define ELF_MACHINE_CODE EM_WEBASSEMBLY +/* FIXME we don't have paged executables, see: + https://github.com/pipcet/binutils-gdb/issues/4 */ +#define ELF_MAXPAGESIZE 4096 + +#define TARGET_LITTLE_SYM wasm32_elf32_vec +#define TARGET_LITTLE_NAME "elf32-wasm32" + +#define elf_backend_can_gc_sections 1 +#define elf_backend_rela_normal 1 +/* For testing. */ +#define elf_backend_want_dynrelro 1 + +#define bfd_elf32_bfd_reloc_type_lookup _bfd_norelocs_bfd_reloc_type_lookup +#define bfd_elf32_bfd_reloc_name_lookup _bfd_norelocs_bfd_reloc_name_lookup + +#define ELF_DYNAMIC_INTERPRETER "/sbin/elf-dynamic-interpreter.so" + +#define elf_backend_want_got_plt 1 +#define elf_backend_plt_readonly 1 +#define elf_backend_got_header_size 0 + +#include "elf32-target.h" |