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author | Pip Cet <pipcet@gmail.com> | 2017-03-30 10:57:21 +0100 |
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committer | Nick Clifton <nickc@redhat.com> | 2017-03-30 10:57:21 +0100 |
commit | f96bd6c2d7a3801fabbf9d834f7a29b752aa7532 (patch) | |
tree | 6c4ee43355083f19052f09a0fb5bbc4e47c4a08a /gas/config/tc-wasm32.h | |
parent | 662659a1a582af14aa45a458005e2a4df514b6d7 (diff) | |
download | binutils-gdb-f96bd6c2d7a3801fabbf9d834f7a29b752aa7532.tar.gz |
Add support for the WebAssembly file format and the wasm32 ELF conversion to gas and the binutils.
binutils * readelf.c: Add support for wasm32 ELF format WebAssembly files.
(guess_is_rela): Likewise.
(dump_relocations): Likewise.
(is_32bit_abs_reloc): Likewise.
(is_none_reloc_): Likewise.
* NEWS: Mention the new support.
* testsuite/lib/binutils-common.exp (is_elf_format): Mark wasm32
as ELF target.
(supports_gnu_unique): Mark wasm32 as supporting STB_GNU_UNIQUE.
* testsuite/binutils-all/nm.exp: Mark wasm32 as requiring .size annotations.
* testsuite/binutils-all/wasm32: New directory.
* testsuite/binutils-all/wasm32/create-wasm.d: New file.
* testsuite/binutils-all/wasm32/create-wasm.s: Likewise.
* testsuite/binutils-all/wasm32/custom-section.d: Likewise.
* testsuite/binutils-all/wasm32/custom-section.s: Likewise.
* testsuite/binutils-all/wasm32/invalid-wasm-1.d: Likewise.
* testsuite/binutils-all/wasm32/invalid-wasm-1.s: Likewise.
* testsuite/binutils-all/wasm32/long-sections.d: Likewise.
* testsuite/binutils-all/wasm32/long-sections.s: Likewise.
* testsuite/binutils-all/wasm32/parse-wasm.d: Likewise.
* testsuite/binutils-all/wasm32/parse-wasm.s: Likewise.
* testsuite/binutils-all/wasm32/parse-wasm-2.d: Likewise.
* testsuite/binutils-all/wasm32/parse-wasm-2.s: Likewise.
* testsuite/binutils-all/wasm32/prepared-section.d: Likewise.
* testsuite/binutils-all/wasm32/prepared-section.s: Likewise.
* testsuite/binutils-all/wasm32/wasm32.exp: New file, run tests.
gas * config/tc-wasm32.h: New file: Add WebAssembly assembler target.
* config/tc-wasm32.c: New file: Add WebAssembly assembler target.
* Makefile.am: Add WebAssembly assembler target.
* configure.tgt: Add WebAssembly assembler target.
* doc/c-wasm32.texi: New file: Start documenting WebAssembly
assembler.
* doc/all.texi: Define WASM32.
* doc/as.texinfo: Add WebAssembly entries.
* NEWS: Mention the new support.
* Makefile.in: Regenerate.
* po/gas.pot: Regenerate.
* po/POTFILES.in: Regenerate.
* testsuite/gas/wasm32: New directory.
* testsuite/gas/wasm32/allinsn.d: New file.
* testsuite/gas/wasm32/allinsn.s: New file.
* testsuite/gas/wasm32/illegal.l: New file.
* testsuite/gas/wasm32/illegal.s: New file.
* testsuite/gas/wasm32/illegal-2.l: New file.
* testsuite/gas/wasm32/illegal-2.s: New file.
* testsuite/gas/wasm32/illegal-3.l: New file.
* testsuite/gas/wasm32/illegal-3.s: New file.
* testsuite/gas/wasm32/illegal-4.l: New file.
* testsuite/gas/wasm32/illegal-4.s: New file.
* testsuite/gas/wasm32/illegal-5.l: New file.
* testsuite/gas/wasm32/illegal-5.s: New file.
* testsuite/gas/wasm32/illegal-6.l: New file.
* testsuite/gas/wasm32/illegal-6.s: New file.
* testsuite/gas/wasm32/illegal-7.l: New file.
* testsuite/gas/wasm32/illegal-7.s: New file.
* testsuite/gas/wasm32/illegal-8.l: New file.
* testsuite/gas/wasm32/illegal-8.s: New file.
* testsuite/gas/wasm32/illegal-9.l: New file.
* testsuite/gas/wasm32/illegal-9.s: New file.
* testsuite/gas/wasm32/illegal-10.l: New file.
* testsuite/gas/wasm32/illegal-10.s: New file.
* testsuite/gas/wasm32/illegal-11.l: New file.
* testsuite/gas/wasm32/illegal-11.s: New file.
* testsuite/gas/wasm32/illegal-12.l: New file.
* testsuite/gas/wasm32/illegal-12.s: New file.
* testsuite/gas/wasm32/illegal-13.l: New file.
* testsuite/gas/wasm32/illegal-13.s: New file.
* testsuite/gas/wasm32/illegal-14.l: New file.
* testsuite/gas/wasm32/illegal-14.s: New file.
* testsuite/gas/wasm32/illegal-15.l: New file.
* testsuite/gas/wasm32/illegal-15.s: New file.
* testsuite/gas/wasm32/illegal-16.l: New file.
* testsuite/gas/wasm32/illegal-16.s: New file.
* testsuite/gas/wasm32/illegal-17.l: New file.
* testsuite/gas/wasm32/illegal-17.s: New file.
* testsuite/gas/wasm32/illegal-18.l: New file.
* testsuite/gas/wasm32/illegal-18.s: New file.
* testsuite/gas/wasm32/illegal-19.l: New file.
* testsuite/gas/wasm32/illegal-19.s: New file.
* testsuite/gas/wasm32/illegal-20.l: New file.
* testsuite/gas/wasm32/illegal-20.s: New file.
* testsuite/gas/wasm32/illegal-21.l: New file.
* testsuite/gas/wasm32/illegal-21.s: New file.
* testsuite/gas/wasm32/illegal-22.l: New file.
* testsuite/gas/wasm32/illegal-22.s: New file.
* testsuite/gas/wasm32/illegal-24.l: New file.
* testsuite/gas/wasm32/illegal-24.s: New file.
* testsuite/gas/wasm32/illegal-25.l: New file.
* testsuite/gas/wasm32/illegal-25.s: New file.
* testsuite/gas/wasm32/reloc.d: New file.
* testsuite/gas/wasm32/reloc.s: New file.
* testsuite/gas/wasm32/wasm32.exp: New tests for WebAssembly
architecture.
opcodes * configure.ac: Add (empty) bfd_wasm32_arch target.
* configure: Regenerate
* po/opcodes.pot: Regenerate.
include * opcode/wasm.h: New file to support wasm32 architecture.
* elf/wasm32.h: Add R_WASM32_32 relocation.
bfd * elf32-wasm32.c: Add relocation code, two relocs.
* reloc.c: Add wasm32 relocations.
* libbfd.h: Regenerate.
* bfd-in2.h: Regenerate.
* bfd/po/bfd.pot: Regenerate.
Diffstat (limited to 'gas/config/tc-wasm32.h')
-rw-r--r-- | gas/config/tc-wasm32.h | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/gas/config/tc-wasm32.h b/gas/config/tc-wasm32.h new file mode 100644 index 00000000000..220ad56b8eb --- /dev/null +++ b/gas/config/tc-wasm32.h @@ -0,0 +1,89 @@ +/* This file is tc-wasm32.h. + Copyright (C) 2017 Free Software Foundation, Inc. + + This file is part of GAS, the GNU Assembler. + + GAS 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, or (at your option) + any later version. + + GAS 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 GAS; see the file COPYING. If not, write to the Free + Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA + 02110-1301, USA. */ + +#define TC_WASM32 +#define TARGET_FORMAT "elf32-wasm32" +#define TARGET_ARCH bfd_arch_wasm32 +#define TARGET_MACH 1 + +/* WebAssembly is strictly little-endian. */ +#define TARGET_BYTES_BIG_ENDIAN 0 +#define md_number_to_chars number_to_chars_littleendian + +#define DIFF_EXPR_OK + +/* No machine-dependent operand expressions. */ +#define md_operand(x) + +/* No broken word processing. */ +#define WORKING_DOT_WORD + +/* Force some relocations. */ +#define EXTERN_FORCE_RELOC 1 +extern int wasm32_force_relocation (struct fix *); +#define TC_FORCE_RELOCATION(fix) wasm32_force_relocation (fix) +#define TC_FORCE_RELOCATION_LOCAL(fix) 1 +#define TC_FORCE_RELOCATION_SUB_SAME(fix,seg) wasm32_force_relocation (fix) +#define TC_FORCE_RELOCATION_SUB_ABS(fix,seg) wasm32_force_relocation (fix) +#define TC_FORCE_RELOCATION_SUB_LOCAL(fix,seg) wasm32_force_relocation (fix) +#define TC_VALIDATE_FIX_SUB(fix,seg) wasm32_force_relocation (fix) + +/* This is ELF, values passed to md_apply_fix don't include the symbol + value. */ +#define MD_APPLY_SYM_VALUE(FIX) 0 + +/* PC-relative relocations are relative to the relocation offset. */ +#define MD_PCREL_FROM_SECTION(FIX, SEC) 0 + +#define DWARF2_LINE_MIN_INSN_LENGTH 1 + +/* WebAssembly uses 32-bit addresses. */ +#define TC_ADDRESS_BYTES() 4 +#define DWARF2_ADDR_SIZE(bfd) 4 + +/* Enable cfi directives. */ +#define TARGET_USE_CFIPOP 1 + +/* The stack grows down, and there is no harm in claiming it is only + byte aligned. */ +#define DWARF2_CIE_DATA_ALIGNMENT -1 + +/* Define the column that represents the PC. FIXME: this depends on + the ABI. */ +#define DWARF2_DEFAULT_RETURN_COLUMN 36 + +/* Define a hook to setup initial CFI state. */ +#define tc_cfi_frame_initial_instructions() do { } while (0) + +#define elf_tc_final_processing() +#define md_post_relax_hook +#define md_start_line_hook() +#define HANDLE_ALIGN(fragP) + + +extern bfd_boolean wasm32_fix_adjustable (struct fix *); +#define tc_fix_adjustable(FIX) wasm32_fix_adjustable (FIX) + +/* Type names for blocks and signatures. */ +#define BLOCK_TYPE_NONE 0x40 +#define BLOCK_TYPE_I32 0x7f +#define BLOCK_TYPE_I64 0x7e +#define BLOCK_TYPE_F32 0x7d +#define BLOCK_TYPE_F64 0x7c |