2013-12-13 12:52:32 +01:00
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/* NDS32-specific support for 32-bit ELF.
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2018-01-03 06:17:27 +01:00
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Copyright (C) 2012-2018 Free Software Foundation, Inc.
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2013-12-13 12:52:32 +01:00
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Contributed by Andes Technology Corporation.
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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, MA
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02110-1301, USA.*/
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#ifndef ELF32_NDS32_H
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#define ELF32_NDS32_H
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2016-05-29 10:29:22 +02:00
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#ifdef __cplusplus
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extern "C" {
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#endif
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2013-12-13 12:52:32 +01:00
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/* Relocation flags encoded in r_addend. */
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/* Relocation flags for R_NDS32_ERLAX_ENTRY. */
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/* Set if relax on this section is done or disabled. */
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#define R_NDS32_RELAX_ENTRY_DISABLE_RELAX_FLAG (1 << 31)
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/* Optimize for performance. */
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#define R_NDS32_RELAX_ENTRY_OPTIMIZE_FLAG (1 << 30)
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/* Optimize for size. Branch destination 4-byte adjustment
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may be disabled. */
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#define R_NDS32_RELAX_ENTRY_OPTIMIZE_FOR_SPACE_FLAG (1 << 29)
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/* To distinguish the assembly code generated by compiler
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or written manually. */
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#define R_NDS32_RELAX_ENTRY_VERBATIM_FLAG (1 << 28)
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/* EX9 and link-time IFC must be explicitly enabled, so we
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won't mess up handcraft assembly code. */
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/* Enable EX9 optimization for this section. */
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#define R_NDS32_RELAX_ENTRY_EX9_FLAG (1 << 2)
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/* Enable IFC optimization for this section. */
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#define R_NDS32_RELAX_ENTRY_IFC_FLAG (1 << 3)
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/* Relocation flags for R_NDS32_INSN16. */
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2014-09-11 08:25:05 +02:00
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/* Tag the nop16 can be removed. */
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2013-12-13 12:52:32 +01:00
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#define R_NDS32_INSN16_CONVERT_FLAG (1 << 0)
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/* Convert a gp-relative access (e.g., lwi.gp)
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to fp-as-gp access (lwi37.fp).
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This value is used by linker internally only.
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It's fine to change the vlaue. */
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#define R_NDS32_INSN16_FP7U2_FLAG (1 << 1)
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/* Relocation flags for R_NDS32_RELAX_REGION_OMIT_FP_START/END. */
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/* OMIT_FP_FLAG marks the region for applying fp-as-gp
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optimization. */
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#define R_NDS32_RELAX_REGION_OMIT_FP_FLAG (1 << 0)
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/* NOT_OMIT_FP_FLAG is set if this region is not worth
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for fp-as-gp. */
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#define R_NDS32_RELAX_REGION_NOT_OMIT_FP_FLAG (1 << 1)
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/* Suppress EX9 optimization in the region. */
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#define R_NDS32_RELAX_REGION_NO_EX9_FLAG (1 << 2)
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/* A Innermost loop region. Some optimizations is suppressed
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in this region due to performance drop. */
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#define R_NDS32_RELAX_REGION_INNERMOST_LOOP_FLAG (1 << 4)
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2014-09-11 08:25:05 +02:00
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/* Tag range for LOADSTORE relocation. */
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enum
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{
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NDS32_LOADSTORE_NONE = 0x0,
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NDS32_LOADSTORE_BYTE = 0x1,
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NDS32_LOADSTORE_HALF = 0x2,
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NDS32_LOADSTORE_WORD = 0x4,
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NDS32_LOADSTORE_FLOAT_S = 0x8,
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NDS32_LOADSTORE_FLOAT_D = 0x10,
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NDS32_LOADSTORE_IMM = 0x20
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};
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2013-12-13 12:52:32 +01:00
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/* Relax tag for nds32_elf_relax_section, we have to specify which
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optimization do in this round. */
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enum
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{
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NDS32_RELAX_NONE_ROUND = 0,
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2014-09-11 08:25:05 +02:00
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NDS32_RELAX_NORMAL_ROUND,
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NDS32_RELAX_JUMP_IFC_ROUND,
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2013-12-13 12:52:32 +01:00
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NDS32_RELAX_EX9_BUILD_ROUND,
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2014-09-11 08:25:05 +02:00
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NDS32_RELAX_EX9_REPLACE_ROUND,
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NDS32_RELAX_EMPTY_ROUND
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2013-12-13 12:52:32 +01:00
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};
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/* Optimization status mask. */
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#define NDS32_RELAX_JUMP_IFC_DONE (1 << 0)
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#define NDS32_RELAX_EX9_DONE (1 << 1)
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/* Optimization turn on mask. */
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#define NDS32_RELAX_JUMP_IFC_ON (1 << 0)
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#define NDS32_RELAX_EX9_ON (1 << 1)
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extern void nds32_insertion_sort
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(void *, size_t, size_t, int (*) (const void *, const void *));
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BFD whitespace fixes
Binutils is supposed to use tabs. In my git config I have
whitespace = indent-with-non-tab,space-before-tab,trailing-space
and I got annoyed enough seeing red in "git diff" output to fix
the problems.
* doc/header.sed: Trim trailing space when splitting lines.
* aix386-core.c, * aout-adobe.c, * aout-arm.c, * aout-cris.c,
* aout-ns32k.c, * aout-target.h, * aout-tic30.c, * aoutf1.h, * aoutx.h,
* arc-got.h, * arc-plt.def, * arc-plt.h, * archive.c, * archive64.c,
* archures.c, * armnetbsd.c, * bfd-in.h, * bfd.c, * bfdio.c, * binary.c,
* bout.c, * cache.c, * cisco-core.c, * coff-alpha.c, * coff-apollo.c,
* coff-arm.c, * coff-h8300.c, * coff-i386.c, * coff-i860.c,
* coff-i960.c, * coff-m68k.c, * coff-m88k.c, * coff-mcore.c,
* coff-mips.c, * coff-ppc.c, * coff-rs6000.c, * coff-sh.c,
* coff-stgo32.c, * coff-tic4x.c, * coff-tic54x.c, * coff-tic80.c,
* coff-we32k.c, * coff-x86_64.c, * coff-z80.c, * coff-z8k.c,
* coff64-rs6000.c, * coffcode.h, * coffgen.c, * cofflink.c,
* coffswap.h, * compress.c, * corefile.c, * cpu-alpha.c, * cpu-arm.c,
* cpu-avr.c, * cpu-bfin.c, * cpu-cr16.c, * cpu-cr16c.c, * cpu-crx.c,
* cpu-d10v.c, * cpu-frv.c, * cpu-ft32.c, * cpu-i370.c, * cpu-i960.c,
* cpu-ia64-opc.c, * cpu-ip2k.c, * cpu-lm32.c, * cpu-m32r.c,
* cpu-mcore.c, * cpu-microblaze.c, * cpu-mips.c, * cpu-moxie.c,
* cpu-mt.c, * cpu-nios2.c, * cpu-ns32k.c, * cpu-or1k.c, * cpu-powerpc.c,
* cpu-pru.c, * cpu-sh.c, * cpu-spu.c, * cpu-v850.c, * cpu-v850_rh850.c,
* cpu-xgate.c, * cpu-z80.c, * dwarf1.c, * dwarf2.c, * ecoff.c,
* ecofflink.c, * ecoffswap.h, * elf-bfd.h, * elf-eh-frame.c,
* elf-hppa.h, * elf-m10200.c, * elf-m10300.c, * elf-s390-common.c,
* elf-strtab.c, * elf-vxworks.c, * elf.c, * elf32-am33lin.c,
* elf32-arc.c, * elf32-arm.c, * elf32-avr.c, * elf32-avr.h,
* elf32-bfin.c, * elf32-cr16.c, * elf32-cr16c.c, * elf32-cris.c,
* elf32-crx.c, * elf32-d10v.c, * elf32-d30v.c, * elf32-dlx.c,
* elf32-epiphany.c, * elf32-fr30.c, * elf32-frv.c, * elf32-ft32.c,
* elf32-h8300.c, * elf32-hppa.c, * elf32-i386.c, * elf32-i860.c,
* elf32-i960.c, * elf32-ip2k.c, * elf32-lm32.c, * elf32-m32c.c,
* elf32-m32r.c, * elf32-m68hc11.c, * elf32-m68hc12.c, * elf32-m68hc1x.c,
* elf32-m68hc1x.h, * elf32-m68k.c, * elf32-m88k.c, * elf32-mcore.c,
* elf32-mep.c, * elf32-metag.c, * elf32-microblaze.c, * elf32-mips.c,
* elf32-moxie.c, * elf32-msp430.c, * elf32-mt.c, * elf32-nds32.c,
* elf32-nds32.h, * elf32-nios2.c, * elf32-or1k.c, * elf32-pj.c,
* elf32-ppc.c, * elf32-ppc.h, * elf32-pru.c, * elf32-rl78.c,
* elf32-rx.c, * elf32-s390.c, * elf32-score.c, * elf32-score.h,
* elf32-score7.c, * elf32-sh-symbian.c, * elf32-sh.c, * elf32-sh64.c,
* elf32-sparc.c, * elf32-spu.c, * elf32-tic6x.c, * elf32-tilegx.c,
* elf32-tilegx.h, * elf32-tilepro.c, * elf32-tilepro.h, * elf32-v850.c,
* elf32-vax.c, * elf32-wasm32.c, * elf32-xc16x.c, * elf32-xgate.c,
* elf32-xgate.h, * elf32-xstormy16.c, * elf32-xtensa.c, * elf64-alpha.c,
* elf64-hppa.c, * elf64-ia64-vms.c, * elf64-mips.c, * elf64-mmix.c,
* elf64-ppc.c, * elf64-s390.c, * elf64-sh64.c, * elf64-sparc.c,
* elf64-tilegx.c, * elf64-tilegx.h, * elf64-x86-64.c, * elfcore.h,
* elflink.c, * elfn32-mips.c, * elfnn-aarch64.c, * elfnn-ia64.c,
* elfnn-riscv.c, * elfxx-aarch64.c, * elfxx-aarch64.h, * elfxx-ia64.c,
* elfxx-ia64.h, * elfxx-mips.c, * elfxx-riscv.c, * elfxx-sparc.c,
* elfxx-tilegx.c, * elfxx-x86.c, * elfxx-x86.h, * freebsd.h, * hash.c,
* host-aout.c, * hp300hpux.c, * hppabsd-core.c, * hpux-core.c,
* i386aout.c, * i386linux.c, * i386lynx.c, * i386mach3.c, * i386msdos.c,
* i386netbsd.c, * ieee.c, * ihex.c, * irix-core.c, * libaout.h,
* libbfd-in.h, * libbfd.c, * libcoff-in.h, * libnlm.h, * libpei.h,
* libxcoff.h, * linker.c, * lynx-core.c, * m68k4knetbsd.c,
* m68klinux.c, * m68knetbsd.c, * m88kmach3.c, * mach-o-aarch64.c,
* mach-o-arm.c, * mach-o-i386.c, * mach-o-target.c, * mach-o-x86-64.c,
* mach-o.c, * mach-o.h, * merge.c, * mipsbsd.c, * mmo.c, * netbsd.h,
* netbsd-core.c, * newsos3.c, * nlm-target.h, * nlm32-ppc.c,
* nlm32-sparc.c, * nlmcode.h, * ns32k.h, * ns32knetbsd.c, * oasys.c,
* opncls.c, * pc532-mach.c, * pdp11.c, * pe-arm.c, * pe-i386.c,
* pe-mcore.c, * pe-mips.c, * pe-x86_64.c, * peXXigen.c, * pef.c,
* pef.h, * pei-arm.c, * pei-i386.c, * pei-mcore.c, * pei-x86_64.c,
* peicode.h, * plugin.c, * ppcboot.c, * ptrace-core.c, * reloc.c,
* riscix.c, * rs6000-core.c, * section.c, * som.c, * som.h,
* sparclinux.c, * sparcnetbsd.c, * srec.c, * stabs.c, * sunos.c,
* syms.c, * targets.c, * tekhex.c, * trad-core.c, * vax1knetbsd.c,
* vaxnetbsd.c, * verilog.c, * versados.c, * vms-alpha.c, * vms-lib.c,
* vms-misc.c, * wasm-module.c, * wasm-module.h, * xcofflink.c,
* xsym.c, * xsym.h: Whitespace fixes.
* bfd-in2.h, * libbfd.h, * libcoff.h: Regenerate.
2017-12-05 23:56:00 +01:00
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extern int nds32_elf_ex9_init (void);
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extern int nds32_convert_32_to_16 (bfd *, uint32_t, uint16_t *, int *);
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extern int nds32_convert_16_to_32 (bfd *, uint16_t, uint32_t *);
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extern void bfd_elf32_nds32_set_target_option (struct bfd_link_info *,
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2014-09-11 08:25:05 +02:00
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int, int, FILE *, int,
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int, int, int, FILE *,
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FILE *, int, int,
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bfd_boolean, bfd_boolean);
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2013-12-13 12:52:32 +01:00
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#define nds32_elf_hash_table(info) \
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(elf_hash_table_id ((struct elf_link_hash_table *) ((info)->hash)) \
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2014-09-11 08:25:05 +02:00
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== NDS32_ELF_DATA ? \
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((struct elf_nds32_link_hash_table *) ((info)->hash)) : NULL)
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2013-12-13 12:52:32 +01:00
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/* Hash table structure for target nds32. There are some members to
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save target options passed from nds32elf.em to bfd. */
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struct elf_nds32_link_hash_table
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{
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struct elf_link_hash_table root;
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/* Short-cuts to get to dynamic linker sections. */
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asection *sdynbss;
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asection *srelbss;
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/* Small local sym to section mapping cache. */
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struct sym_cache sym_cache;
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/* Target dependent options. */
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int relax_fp_as_gp; /* --mrelax-omit-fp */
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int eliminate_gc_relocs; /* --meliminate-gc-relocs */
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FILE *sym_ld_script; /* --mgen-symbol-ld-script=<file> */
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/* Disable if linking a dynamically linked executable. */
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int load_store_relax;
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int target_optimize; /* Switch optimization. */
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int relax_status; /* Finished optimization. */
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int relax_round; /* Going optimization. */
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FILE *ex9_export_file; /* --mexport-ex9=<file> */
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FILE *ex9_import_file; /* --mimport-ex9=<file> */
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int update_ex9_table; /* --mupdate-ex9. */
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int ex9_limit;
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bfd_boolean ex9_loop_aware; /* Ignore ex9 if inside a loop. */
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bfd_boolean ifc_loop_aware; /* Ignore ifc if inside a loop. */
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};
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2016-05-29 10:29:22 +02:00
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#ifdef __cplusplus
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}
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#endif
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2013-12-13 12:52:32 +01:00
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#endif
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