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0a1b45a20e
* sysdep.h: POISON_BFD_BOOLEAN: Define. * aix5ppc-core.c, * aout-cris.c, * aout-ns32k.c, * aout-target.h, * aoutx.h, * arc-got.h, * archive.c, * archive64.c, * archures.c, * bfd-in.h, * bfd.c, * bfdwin.c, * binary.c, * cache.c, * coff-alpha.c, * coff-arm.c, * coff-arm.h, * coff-bfd.c, * coff-bfd.h, * coff-go32.c, * coff-i386.c, * coff-ia64.c, * coff-mcore.c, * coff-mips.c, * coff-rs6000.c, * coff-sh.c, * coff-stgo32.c, * coff-tic30.c, * coff-tic4x.c, * coff-tic54x.c, * coff-x86_64.c, * coff-z80.c, * coff-z8k.c, * coff64-rs6000.c, * coffcode.h, * coffgen.c, * cofflink.c, * compress.c, * corefile.c, * cpu-aarch64.c, * cpu-aarch64.h, * cpu-alpha.c, * cpu-arc.c, * cpu-arm.c, * cpu-arm.h, * cpu-avr.c, * cpu-bfin.c, * cpu-bpf.c, * cpu-cr16.c, * cpu-cris.c, * cpu-crx.c, * cpu-csky.c, * cpu-d10v.c, * cpu-d30v.c, * cpu-dlx.c, * cpu-epiphany.c, * cpu-fr30.c, * cpu-frv.c, * cpu-ft32.c, * cpu-h8300.c, * cpu-hppa.c, * cpu-i386.c, * cpu-ia64.c, * cpu-iamcu.c, * cpu-ip2k.c, * cpu-iq2000.c, * cpu-k1om.c, * cpu-l1om.c, * cpu-lm32.c, * cpu-m10200.c, * cpu-m10300.c, * cpu-m32c.c, * cpu-m32r.c, * cpu-m68hc11.c, * cpu-m68hc12.c, * cpu-m68k.c, * cpu-m9s12x.c, * cpu-m9s12xg.c, * cpu-mcore.c, * cpu-mep.c, * cpu-metag.c, * cpu-microblaze.c, * cpu-mips.c, * cpu-mmix.c, * cpu-moxie.c, * cpu-msp430.c, * cpu-mt.c, * cpu-nds32.c, * cpu-nfp.c, * cpu-nios2.c, * cpu-ns32k.c, * cpu-or1k.c, * cpu-pdp11.c, * cpu-pj.c, * cpu-powerpc.c, * cpu-pru.c, * cpu-riscv.c, * cpu-rl78.c, * cpu-rs6000.c, * cpu-rx.c, * cpu-s12z.c, * cpu-s390.c, * cpu-score.c, * cpu-sh.c, * cpu-sparc.c, * cpu-spu.c, * cpu-tic30.c, * cpu-tic4x.c, * cpu-tic54x.c, * cpu-tic6x.c, * cpu-tilegx.c, * cpu-tilepro.c, * cpu-v850.c, * cpu-v850_rh850.c, * cpu-vax.c, * cpu-visium.c, * cpu-wasm32.c, * cpu-xc16x.c, * cpu-xgate.c, * cpu-xstormy16.c, * cpu-xtensa.c, * cpu-z80.c, * cpu-z8k.c, * dwarf1.c, * dwarf2.c, * ecoff-bfd.h, * ecoff.c, * ecofflink.c, * elf-attrs.c, * elf-bfd.h, * elf-eh-frame.c, * elf-hppa.h, * elf-ifunc.c, * elf-m10200.c, * elf-m10300.c, * elf-nacl.c, * elf-nacl.h, * elf-properties.c, * elf-s390-common.c, * elf-s390.h, * elf-strtab.c, * elf-vxworks.c, * elf-vxworks.h, * elf.c, * elf32-am33lin.c, * elf32-arc.c, * elf32-arm.c, * elf32-arm.h, * elf32-avr.c, * elf32-avr.h, * elf32-bfin.c, * elf32-bfin.h, * elf32-cr16.c, * elf32-cr16.h, * elf32-cris.c, * elf32-crx.c, * elf32-csky.c, * elf32-csky.h, * elf32-d10v.c, * elf32-d30v.c, * elf32-dlx.c, * elf32-epiphany.c, * elf32-fr30.c, * elf32-frv.c, * elf32-ft32.c, * elf32-gen.c, * elf32-h8300.c, * elf32-hppa.c, * elf32-hppa.h, * elf32-i386.c, * elf32-ip2k.c, * elf32-iq2000.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-m68k.h, * elf32-mcore.c, * elf32-mep.c, * elf32-metag.c, * elf32-metag.h, * elf32-microblaze.c, * elf32-mips.c, * elf32-moxie.c, * elf32-msp430.c, * elf32-mt.c, * elf32-nds32.c, * elf32-nios2.c, * elf32-nios2.h, * elf32-or1k.c, * elf32-pj.c, * elf32-ppc.c, * elf32-ppc.h, * elf32-pru.c, * elf32-rl78.c, * elf32-rx.c, * elf32-s12z.c, * elf32-s390.c, * elf32-score.c, * elf32-score.h, * elf32-score7.c, * elf32-sh-relocs.h, * elf32-sh.c, * elf32-sparc.c, * elf32-spu.c, * elf32-spu.h, * elf32-tic6x.c, * elf32-tic6x.h, * elf32-tilegx.c, * elf32-tilepro.c, * elf32-v850.c, * elf32-v850.h, * elf32-vax.c, * elf32-visium.c, * elf32-wasm32.c, * elf32-xc16x.c, * elf32-xgate.c, * elf32-xstormy16.c, * elf32-xtensa.c, * elf32-z80.c, * elf64-alpha.c, * elf64-bpf.c, * elf64-gen.c, * elf64-hppa.c, * elf64-ia64-vms.c, * elf64-mips.c, * elf64-mmix.c, * elf64-nfp.c, * elf64-ppc.c, * elf64-ppc.h, * elf64-s390.c, * elf64-sparc.c, * elf64-tilegx.c, * elf64-x86-64.c, * elfcode.h, * 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-mips.h, * elfxx-riscv.c, * elfxx-riscv.h, * elfxx-sparc.c, * elfxx-sparc.h, * elfxx-target.h, * elfxx-tilegx.c, * elfxx-tilegx.h, * elfxx-x86.c, * elfxx-x86.h, * format.c, * genlink.h, * hash.c, * i386aout.c, * i386lynx.c, * i386msdos.c, * ihex.c, * libaout.h, * libbfd-in.h, * libbfd.c, * libcoff-in.h, * libecoff.h, * libpei.h, * libxcoff.h, * linker.c, * mach-o-aarch64.c, * mach-o-arm.c, * mach-o-i386.c, * mach-o-x86-64.c, * mach-o.c, * mach-o.h, * merge.c, * mmo.c, * netbsd.h, * opncls.c, * pc532-mach.c, * pdp11.c, * pe-arm.c, * pe-i386.c, * pe-mcore.c, * pe-sh.c, * pe-x86_64.c, * peXXigen.c, * pef.c, * pei-arm.c, * pei-i386.c, * pei-ia64.c, * pei-mcore.c, * pei-sh.c, * pei-x86_64.c, * peicode.h, * plugin.c, * plugin.h, * ppcboot.c, * reloc.c, * reloc16.c, * rs6000-core.c, * section.c, * simple.c, * som.c, * som.h, * srec.c, * stabs.c, * syms.c, * targets.c, * tekhex.c, * verilog.c, * vms-alpha.c, * vms-lib.c, * vms-misc.c, * vms.h, * wasm-module.c, * xcofflink.c, * xcofflink.h, * xsym.c, * xsym.h: Replace bfd_boolean with bool, FALSE with false, and TRUE with true throughout. * bfd-in2.h: Regenerate. * libbfd.h: Regenerate. * libcoff.h: Regenerate.
191 lines
6.4 KiB
C
191 lines
6.4 KiB
C
/* Motorola 68HC11/68HC12-specific support for 32-bit ELF
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Copyright (C) 2003-2021 Free Software Foundation, Inc.
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Contributed by Stephane Carrez (stcarrez@nerim.fr)
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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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#ifndef _ELF32_M68HC1X_H
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#define _ELF32_M68HC1X_H
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#include "elf-bfd.h"
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#include "bfdlink.h"
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#include "elf/m68hc11.h"
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/* Name of symbols exported by HC11/HC12 linker when there is a memory
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bank window. */
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#define BFD_M68HC11_BANK_START_NAME "__bank_start"
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#define BFD_M68HC11_BANK_SIZE_NAME "__bank_size"
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#define BFD_M68HC11_BANK_VIRTUAL_NAME "__bank_virtual"
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/* Set and control ELF flags in ELF header. */
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extern bool _bfd_m68hc11_elf_merge_private_bfd_data
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(bfd *, struct bfd_link_info *);
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extern bool _bfd_m68hc11_elf_set_private_flags (bfd*,flagword);
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extern bool _bfd_m68hc11_elf_print_private_bfd_data (bfd*, void*);
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/* This hash entry is used to record a trampoline that must be generated
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to call a far function using a normal calling convention ('jsr').
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The trampoline is used when a pointer to a far function is used.
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It takes care of installing the proper memory bank as well as creating
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the 'call/rtc' calling convention. */
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struct elf32_m68hc11_stub_hash_entry
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{
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/* Base hash table entry structure. */
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struct bfd_hash_entry root;
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/* The stub section. */
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asection *stub_sec;
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/* Offset within stub_sec of the beginning of this stub. */
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bfd_vma stub_offset;
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/* Given the symbol's value and its section we can determine its final
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value when building the stubs (so the stub knows where to jump. */
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bfd_vma target_value;
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asection *target_section;
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};
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/* Placeholder for the parameters to compute memory page and physical address.
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The following formulas are used:
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sym > bank_virtual =>
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%addr(sym) = (((sym - bank_virtual) & bank_mask) + bank_physical
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%page(sym) = (((sym - bank_virtual) >> bank_shift) % 256
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sym < bank_virtual =>
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%addr(sym) = sym
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%page(sym) = 0
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These parameters are obtained from the symbol table by looking
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at the following:
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__bank_start Symbol marking the start of memory bank window
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(bank_physical)
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__bank_virtual Logical address of symbols for which the transformation
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must be computed
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__bank_page_size Size in bytes of page size (this is *NOT* the memory
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bank window size and the window size is always
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less or equal to the page size)
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For 68HC12, the window is at 0x8000 and the page size is 16K (full window).
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For 68HC11 this is board specific (implemented by external hardware). */
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struct m68hc11_page_info
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{
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bfd_vma bank_virtual;
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bfd_vma bank_physical;
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bfd_vma bank_physical_end;
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bfd_vma bank_mask;
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bfd_vma bank_size;
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int bank_shift;
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int bank_param_initialized;
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bfd_vma trampoline_addr;
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};
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struct m68hc11_elf_link_hash_table
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{
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struct elf_link_hash_table root;
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struct m68hc11_page_info pinfo;
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/* The stub hash table. */
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struct bfd_hash_table* stub_hash_table;
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/* Linker stub bfd. */
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bfd *stub_bfd;
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asection* stub_section;
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asection* tramp_section;
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/* Linker call-backs. */
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asection * (*add_stub_section) (const char *, asection *);
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/* Assorted information used by elf32_hppa_size_stubs. */
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unsigned int bfd_count;
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int top_index;
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asection **input_list;
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bool (* size_one_stub) (struct bfd_hash_entry*, void*);
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bool (* build_one_stub) (struct bfd_hash_entry*, void*);
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};
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/* Get the Sparc64 ELF linker hash table from a link_info structure. */
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#define m68hc11_elf_hash_table(p) \
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((is_elf_hash_table ((p)->hash) \
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&& elf_hash_table_id (elf_hash_table (p)) == M68HC11_ELF_DATA) \
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? (struct m68hc11_elf_link_hash_table *) (p)->hash : NULL)
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/* Create a 68HC11/68HC12 ELF linker hash table. */
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extern struct m68hc11_elf_link_hash_table* m68hc11_elf_hash_table_create
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(bfd*);
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extern void m68hc11_elf_get_bank_parameters (struct bfd_link_info*);
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/* Return 1 if the address is in banked memory.
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This can be applied to a virtual address and to a physical address. */
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extern int m68hc11_addr_is_banked (struct m68hc11_page_info*, bfd_vma);
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/* Return the physical address seen by the processor, taking
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into account banked memory. */
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extern bfd_vma m68hc11_phys_addr (struct m68hc11_page_info*, bfd_vma);
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/* Return the page number corresponding to an address in banked memory. */
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extern bfd_vma m68hc11_phys_page (struct m68hc11_page_info*, bfd_vma);
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bfd_reloc_status_type m68hc11_elf_ignore_reloc
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(bfd *abfd, arelent *reloc_entry,
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asymbol *symbol, void *data, asection *input_section,
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bfd *output_bfd, char **error_message);
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bfd_reloc_status_type m68hc11_elf_special_reloc
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(bfd *abfd, arelent *reloc_entry,
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asymbol *symbol, void *data, asection *input_section,
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bfd *output_bfd, char **error_message);
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bool elf32_m68hc11_check_relocs
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(bfd * abfd, struct bfd_link_info * info,
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asection * sec, const Elf_Internal_Rela * relocs);
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int elf32_m68hc11_relocate_section
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(bfd *output_bfd, struct bfd_link_info *info,
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bfd *input_bfd, asection *input_section,
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bfd_byte *contents, Elf_Internal_Rela *relocs,
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Elf_Internal_Sym *local_syms, asection **local_sections);
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bool elf32_m68hc11_add_symbol_hook
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(bfd *abfd, struct bfd_link_info *info,
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Elf_Internal_Sym *sym, const char **namep,
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flagword *flagsp, asection **secp,
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bfd_vma *valp);
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void elf32_m68hc11_merge_symbol_attribute
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(struct elf_link_hash_entry *, unsigned int, bool, bool);
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/* Tweak the OSABI field of the elf header. */
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extern bool elf32_m68hc11_init_file_header (bfd*, struct bfd_link_info*);
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int elf32_m68hc11_setup_section_lists (bfd *, struct bfd_link_info *);
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bool elf32_m68hc11_size_stubs
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(bfd *, bfd *, struct bfd_link_info *,
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asection * (*) (const char *, asection *));
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bool elf32_m68hc11_build_stubs (bfd* abfd, struct bfd_link_info *);
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#endif
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