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.
This commit is contained in:
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c0c31e91ad
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8fb740dd30
@ -169,6 +169,7 @@ ALL_MACHINES = \
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cpu-vax.lo \
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cpu-visium.lo \
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cpu-w65.lo \
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cpu-wasm32.lo \
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cpu-we32k.lo \
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cpu-xc16x.lo \
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cpu-xgate.lo \
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@ -257,6 +258,7 @@ ALL_MACHINES_CFILES = \
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cpu-v850_rh850.c \
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cpu-vax.c \
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cpu-visium.c \
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cpu-wasm32.c \
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cpu-w65.c \
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cpu-we32k.c \
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cpu-xc16x.c \
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@ -383,6 +385,7 @@ BFD32_BACKENDS = \
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elf32-v850.lo \
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elf32-vax.lo \
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elf32-visium.lo \
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elf32-wasm32.lo \
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elf32-xc16x.lo \
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elf32-xgate.lo \
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elf32-xstormy16.lo \
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@ -576,6 +579,7 @@ BFD32_BACKENDS_CFILES = \
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elf32-v850.c \
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elf32-vax.c \
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elf32-visium.c \
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elf32-wasm32.c \
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elf32-xc16x.c \
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elf32-xgate.c \
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elf32-xstormy16.c \
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@ -502,6 +502,7 @@ ALL_MACHINES = \
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cpu-vax.lo \
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cpu-visium.lo \
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cpu-w65.lo \
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cpu-wasm32.lo \
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cpu-we32k.lo \
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cpu-xc16x.lo \
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cpu-xgate.lo \
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@ -590,6 +591,7 @@ ALL_MACHINES_CFILES = \
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cpu-v850_rh850.c \
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cpu-vax.c \
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cpu-visium.c \
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cpu-wasm32.c \
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cpu-w65.c \
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cpu-we32k.c \
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cpu-xc16x.c \
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@ -717,6 +719,7 @@ BFD32_BACKENDS = \
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elf32-v850.lo \
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elf32-vax.lo \
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elf32-visium.lo \
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elf32-wasm32.lo \
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elf32-xc16x.lo \
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elf32-xgate.lo \
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elf32-xstormy16.lo \
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@ -910,6 +913,7 @@ BFD32_BACKENDS_CFILES = \
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elf32-v850.c \
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elf32-vax.c \
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elf32-visium.c \
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elf32-wasm32.c \
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elf32-xc16x.c \
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elf32-xgate.c \
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elf32-xstormy16.c \
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@ -1446,6 +1450,7 @@ distclean-compile:
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@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/cpu-vax.Plo@am__quote@
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@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/cpu-visium.Plo@am__quote@
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@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/cpu-w65.Plo@am__quote@
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@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/cpu-wasm32.Plo@am__quote@
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@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/cpu-we32k.Plo@am__quote@
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@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/cpu-xc16x.Plo@am__quote@
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@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/cpu-xgate.Plo@am__quote@
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@ -1534,6 +1539,7 @@ distclean-compile:
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@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/elf32-v850.Plo@am__quote@
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@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/elf32-vax.Plo@am__quote@
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@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/elf32-visium.Plo@am__quote@
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@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/elf32-wasm32.Plo@am__quote@
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@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/elf32-xc16x.Plo@am__quote@
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@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/elf32-xgate.Plo@am__quote@
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@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/elf32-xstormy16.Plo@am__quote@
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@ -528,6 +528,8 @@ DESCRIPTION
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.#define bfd_mach_nios2r2 2
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. bfd_arch_visium, {* Visium *}
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.#define bfd_mach_visium 1
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. bfd_arch_wasm32, {* WebAssembly *}
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.#define bfd_mach_wasm32 1
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. bfd_arch_pru, {* PRU *}
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.#define bfd_mach_pru 0
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. bfd_arch_last
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@ -654,6 +656,7 @@ extern const bfd_arch_info_type bfd_v850_arch;
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extern const bfd_arch_info_type bfd_v850_rh850_arch;
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extern const bfd_arch_info_type bfd_vax_arch;
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extern const bfd_arch_info_type bfd_visium_arch;
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extern const bfd_arch_info_type bfd_wasm32_arch;
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extern const bfd_arch_info_type bfd_w65_arch;
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extern const bfd_arch_info_type bfd_we32k_arch;
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extern const bfd_arch_info_type bfd_xstormy16_arch;
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@ -746,6 +749,7 @@ static const bfd_arch_info_type * const bfd_archures_list[] =
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&bfd_vax_arch,
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&bfd_visium_arch,
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&bfd_w65_arch,
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&bfd_wasm32_arch,
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&bfd_we32k_arch,
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&bfd_xstormy16_arch,
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&bfd_xtensa_arch,
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@ -2372,6 +2372,8 @@ enum bfd_architecture
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#define bfd_mach_nios2r2 2
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bfd_arch_visium, /* Visium */
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#define bfd_mach_visium 1
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bfd_arch_wasm32, /* WebAssembly */
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#define bfd_mach_wasm32 1
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bfd_arch_pru, /* PRU */
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#define bfd_mach_pru 0
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bfd_arch_last
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@ -197,6 +197,7 @@ tilegx*) targ_archs=bfd_tilegx_arch ;;
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tilepro*) targ_archs=bfd_tilepro_arch ;;
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v850*) targ_archs="bfd_v850_arch bfd_v850_rh850_arch" ;;
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visium*) targ_archs=bfd_visium_arch ;;
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wasm32) targ_archs=bfd_wasm32_arch ;;
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x86_64*) targ_archs=bfd_i386_arch ;;
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xtensa*) targ_archs=bfd_xtensa_arch ;;
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xgate) targ_archs=bfd_xgate_arch ;;
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@ -1793,6 +1794,10 @@ case "${targ}" in
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targ_defvec=visium_elf32_vec
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;;
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wasm32-*-*)
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targ_defvec=wasm32_elf32_vec
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;;
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we32k-*-*)
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targ_defvec=we32k_coff_vec
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;;
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1
bfd/configure
vendored
1
bfd/configure
vendored
@ -14569,6 +14569,7 @@ do
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ft32_elf32_vec) tb="$tb elf32-ft32.lo elf32.lo $elf" ;;
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visium_elf32_vec) tb="$tb elf32-visium.lo elf32.lo $elf" ;;
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w65_coff_vec) tb="$tb coff-w65.lo reloc16.lo $coffgen" ;;
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wasm32_elf32_vec) tb="$tb elf32-wasm32.lo elf32.lo $elf" ;;
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we32k_coff_vec) tb="$tb coff-we32k.lo $coffgen" ;;
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x86_64_coff_vec) tb="$tb coff-x86_64.lo $coff"; target_size=64 ;;
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x86_64_elf32_vec) tb="$tb elf64-x86-64.lo elf-ifunc.lo elf-nacl.lo elf64.lo elf32.lo $elf"; target_size=64 ;;
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@ -700,6 +700,7 @@ do
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ft32_elf32_vec) tb="$tb elf32-ft32.lo elf32.lo $elf" ;;
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visium_elf32_vec) tb="$tb elf32-visium.lo elf32.lo $elf" ;;
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w65_coff_vec) tb="$tb coff-w65.lo reloc16.lo $coffgen" ;;
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wasm32_elf32_vec) tb="$tb elf32-wasm32.lo elf32.lo $elf" ;;
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we32k_coff_vec) tb="$tb coff-we32k.lo $coffgen" ;;
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x86_64_coff_vec) tb="$tb coff-x86_64.lo $coff"; target_size=64 ;;
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x86_64_elf32_vec) tb="$tb elf64-x86-64.lo elf-ifunc.lo elf-nacl.lo elf64.lo elf32.lo $elf"; target_size=64 ;;
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36
bfd/cpu-wasm32.c
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36
bfd/cpu-wasm32.c
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@ -0,0 +1,36 @@
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/* BFD support for the WebAssembly target
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Copyright (C) 2017 Free Software Foundation, Inc.
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This file is part of BFD, the Binary File Descriptor library.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
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MA 02110-1301, USA. */
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#include "sysdep.h"
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#include "bfd.h"
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#include "libbfd.h"
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#include "libiberty.h"
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#define N(number, print, default, next) \
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{ 32, 32, 8, bfd_arch_wasm32, number, "wasm32", "wasm32", 4, default, bfd_default_compatible, \
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bfd_default_scan, bfd_arch_default_fill, next }
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static const bfd_arch_info_type arch_info_struct[] =
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{
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N (bfd_mach_wasm32, "wasm32", TRUE, NULL)
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};
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const bfd_arch_info_type bfd_wasm32_arch =
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N (bfd_mach_wasm32, "wasm32", TRUE, & arch_info_struct[0]);
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bfd/elf32-wasm32.c
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52
bfd/elf32-wasm32.c
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@ -0,0 +1,52 @@
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/* 32-bit ELF for the WebAssembly target
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Copyright (C) 2017 Free Software Foundation, Inc.
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This file is part of BFD, the Binary File Descriptor library.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street - Fifth Floor,
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Boston, MA 02110-1301, USA. */
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#include "sysdep.h"
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#include "bfd.h"
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#include "libbfd.h"
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#include "elf-bfd.h"
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#include "bfd_stdint.h"
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#include "elf/wasm32.h"
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#define ELF_ARCH bfd_arch_wasm32
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#define ELF_TARGET_ID EM_WEBASSEMBLY
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#define ELF_MACHINE_CODE EM_WEBASSEMBLY
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/* FIXME we don't have paged executables, see:
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https://github.com/pipcet/binutils-gdb/issues/4 */
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#define ELF_MAXPAGESIZE 4096
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#define TARGET_LITTLE_SYM wasm32_elf32_vec
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#define TARGET_LITTLE_NAME "elf32-wasm32"
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#define elf_backend_can_gc_sections 1
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#define elf_backend_rela_normal 1
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/* For testing. */
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#define elf_backend_want_dynrelro 1
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#define bfd_elf32_bfd_reloc_type_lookup _bfd_norelocs_bfd_reloc_type_lookup
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#define bfd_elf32_bfd_reloc_name_lookup _bfd_norelocs_bfd_reloc_name_lookup
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#define ELF_DYNAMIC_INTERPRETER "/sbin/elf-dynamic-interpreter.so"
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#define elf_backend_want_got_plt 1
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#define elf_backend_plt_readonly 1
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#define elf_backend_got_header_size 0
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#include "elf32-target.h"
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@ -141,6 +141,7 @@ cpu-v850_rh850.c
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cpu-vax.c
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cpu-visium.c
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cpu-w65.c
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cpu-wasm32.c
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cpu-we32k.c
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cpu-xc16x.c
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cpu-xgate.c
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@ -231,6 +232,7 @@ elf32-tilepro.c
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elf32-v850.c
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elf32-vax.c
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elf32-visium.c
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elf32-wasm32.c
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elf32-xc16x.c
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elf32-xgate.c
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elf32-xstormy16.c
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@ -893,6 +893,7 @@ extern const bfd_target vax_aout_nbsd_vec;
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extern const bfd_target vax_elf32_vec;
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extern const bfd_target visium_elf32_vec;
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extern const bfd_target w65_coff_vec;
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extern const bfd_target wasm32_elf32_vec;
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extern const bfd_target we32k_coff_vec;
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extern const bfd_target x86_64_coff_vec;
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extern const bfd_target x86_64_elf32_vec;
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@ -1421,6 +1422,8 @@ static const bfd_target * const _bfd_target_vector[] =
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&w65_coff_vec,
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&wasm32_elf32_vec,
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&we32k_coff_vec,
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#ifdef BFD64
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@ -1,3 +1,7 @@
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2017-03-27 Pip Cet <pipcet@gmail.com>
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* elf/wasm32.h: New file to support wasm32 architecture.
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2017-03-27 Rinat Zelig <rinat@mellanox.com>
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* opcode/arc.h (insn_class_t): Add ULTRAIP and MISC class.
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28
include/elf/wasm32.h
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28
include/elf/wasm32.h
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@ -0,0 +1,28 @@
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/* ELF support for BFD for the WebAssembly target
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Copyright (C) 2017 Free Software Foundation, Inc.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software Foundation,
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Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */
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#ifndef _ELF_WASM32_H
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#define _ELF_WASM32_H
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#include "elf/reloc-macros.h"
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/* Relocation types. */
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START_RELOC_NUMBERS (elf_wasm32_reloc_type)
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END_RELOC_NUMBERS (R_WASM32_max = 1)
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#endif /* _ELF_WASM32_H */
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