diff options
Diffstat (limited to 'contrib/binutils/bfd/coff-sh.c')
| -rw-r--r-- | contrib/binutils/bfd/coff-sh.c | 2944 |
1 files changed, 0 insertions, 2944 deletions
diff --git a/contrib/binutils/bfd/coff-sh.c b/contrib/binutils/bfd/coff-sh.c deleted file mode 100644 index fd4f2180bce3..000000000000 --- a/contrib/binutils/bfd/coff-sh.c +++ /dev/null @@ -1,2944 +0,0 @@ -/* BFD back-end for Hitachi Super-H COFF binaries. - Copyright 1993, 94, 95, 96, 97, 1998 Free Software Foundation, Inc. - Contributed by Cygnus Support. - Written by Steve Chamberlain, <sac@cygnus.com>. - Relaxing code written by Ian Lance Taylor, <ian@cygnus.com>. - -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 2 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ - -#include "bfd.h" -#include "sysdep.h" -#include "libbfd.h" -#include "bfdlink.h" -#include "coff/sh.h" -#include "coff/internal.h" -#include "libcoff.h" - -/* Internal functions. */ -static bfd_reloc_status_type sh_reloc - PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **)); -static long get_symbol_value PARAMS ((asymbol *)); -static boolean sh_merge_private_data PARAMS ((bfd *, bfd *)); -static boolean sh_relax_section - PARAMS ((bfd *, asection *, struct bfd_link_info *, boolean *)); -static boolean sh_relax_delete_bytes - PARAMS ((bfd *, asection *, bfd_vma, int)); -static const struct sh_opcode *sh_insn_info PARAMS ((unsigned int)); -static boolean sh_align_loads - PARAMS ((bfd *, asection *, struct internal_reloc *, bfd_byte *, boolean *)); -static boolean sh_swap_insns - PARAMS ((bfd *, asection *, PTR, bfd_byte *, bfd_vma)); -static boolean sh_relocate_section - PARAMS ((bfd *, struct bfd_link_info *, bfd *, asection *, bfd_byte *, - struct internal_reloc *, struct internal_syment *, asection **)); -static bfd_byte *sh_coff_get_relocated_section_contents - PARAMS ((bfd *, struct bfd_link_info *, struct bfd_link_order *, - bfd_byte *, boolean, asymbol **)); - -/* Default section alignment to 2**4. */ -#define COFF_DEFAULT_SECTION_ALIGNMENT_POWER (4) - -/* Generate long file names. */ -#define COFF_LONG_FILENAMES - -/* The supported relocations. There are a lot of relocations defined - in coff/internal.h which we do not expect to ever see. */ -static reloc_howto_type sh_coff_howtos[] = -{ - { 0 }, - { 1 }, - { 2 }, - { 3 }, /* R_SH_PCREL8 */ - { 4 }, /* R_SH_PCREL16 */ - { 5 }, /* R_SH_HIGH8 */ - { 6 }, /* R_SH_IMM24 */ - { 7 }, /* R_SH_LOW16 */ - { 8 }, - { 9 }, /* R_SH_PCDISP8BY4 */ - - HOWTO (R_SH_PCDISP8BY2, /* type */ - 1, /* rightshift */ - 1, /* size (0 = byte, 1 = short, 2 = long) */ - 8, /* bitsize */ - true, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_signed, /* complain_on_overflow */ - sh_reloc, /* special_function */ - "r_pcdisp8by2", /* name */ - true, /* partial_inplace */ - 0xff, /* src_mask */ - 0xff, /* dst_mask */ - true), /* pcrel_offset */ - - { 11 }, /* R_SH_PCDISP8 */ - - HOWTO (R_SH_PCDISP, /* type */ - 1, /* rightshift */ - 1, /* size (0 = byte, 1 = short, 2 = long) */ - 12, /* bitsize */ - true, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_signed, /* complain_on_overflow */ - sh_reloc, /* special_function */ - "r_pcdisp12by2", /* name */ - true, /* partial_inplace */ - 0xfff, /* src_mask */ - 0xfff, /* dst_mask */ - true), /* pcrel_offset */ - - { 13 }, - - HOWTO (R_SH_IMM32, /* type */ - 0, /* rightshift */ - 2, /* size (0 = byte, 1 = short, 2 = long) */ - 32, /* bitsize */ - false, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_bitfield, /* complain_on_overflow */ - sh_reloc, /* special_function */ - "r_imm32", /* name */ - true, /* partial_inplace */ - 0xffffffff, /* src_mask */ - 0xffffffff, /* dst_mask */ - false), /* pcrel_offset */ - - { 15 }, - { 16 }, /* R_SH_IMM8 */ - { 17 }, /* R_SH_IMM8BY2 */ - { 18 }, /* R_SH_IMM8BY4 */ - { 19 }, /* R_SH_IMM4 */ - { 20 }, /* R_SH_IMM4BY2 */ - { 21 }, /* R_SH_IMM4BY4 */ - - HOWTO (R_SH_PCRELIMM8BY2, /* type */ - 1, /* rightshift */ - 1, /* size (0 = byte, 1 = short, 2 = long) */ - 8, /* bitsize */ - true, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_unsigned, /* complain_on_overflow */ - sh_reloc, /* special_function */ - "r_pcrelimm8by2", /* name */ - true, /* partial_inplace */ - 0xff, /* src_mask */ - 0xff, /* dst_mask */ - true), /* pcrel_offset */ - - HOWTO (R_SH_PCRELIMM8BY4, /* type */ - 2, /* rightshift */ - 1, /* size (0 = byte, 1 = short, 2 = long) */ - 8, /* bitsize */ - true, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_unsigned, /* complain_on_overflow */ - sh_reloc, /* special_function */ - "r_pcrelimm8by4", /* name */ - true, /* partial_inplace */ - 0xff, /* src_mask */ - 0xff, /* dst_mask */ - true), /* pcrel_offset */ - - HOWTO (R_SH_IMM16, /* type */ - 0, /* rightshift */ - 1, /* size (0 = byte, 1 = short, 2 = long) */ - 16, /* bitsize */ - false, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_bitfield, /* complain_on_overflow */ - sh_reloc, /* special_function */ - "r_imm16", /* name */ - true, /* partial_inplace */ - 0xffff, /* src_mask */ - 0xffff, /* dst_mask */ - false), /* pcrel_offset */ - - HOWTO (R_SH_SWITCH16, /* type */ - 0, /* rightshift */ - 1, /* size (0 = byte, 1 = short, 2 = long) */ - 16, /* bitsize */ - false, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_bitfield, /* complain_on_overflow */ - sh_reloc, /* special_function */ - "r_switch16", /* name */ - true, /* partial_inplace */ - 0xffff, /* src_mask */ - 0xffff, /* dst_mask */ - false), /* pcrel_offset */ - - HOWTO (R_SH_SWITCH32, /* type */ - 0, /* rightshift */ - 2, /* size (0 = byte, 1 = short, 2 = long) */ - 32, /* bitsize */ - false, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_bitfield, /* complain_on_overflow */ - sh_reloc, /* special_function */ - "r_switch32", /* name */ - true, /* partial_inplace */ - 0xffffffff, /* src_mask */ - 0xffffffff, /* dst_mask */ - false), /* pcrel_offset */ - - HOWTO (R_SH_USES, /* type */ - 0, /* rightshift */ - 1, /* size (0 = byte, 1 = short, 2 = long) */ - 16, /* bitsize */ - false, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_bitfield, /* complain_on_overflow */ - sh_reloc, /* special_function */ - "r_uses", /* name */ - true, /* partial_inplace */ - 0xffff, /* src_mask */ - 0xffff, /* dst_mask */ - false), /* pcrel_offset */ - - HOWTO (R_SH_COUNT, /* type */ - 0, /* rightshift */ - 2, /* size (0 = byte, 1 = short, 2 = long) */ - 32, /* bitsize */ - false, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_bitfield, /* complain_on_overflow */ - sh_reloc, /* special_function */ - "r_count", /* name */ - true, /* partial_inplace */ - 0xffffffff, /* src_mask */ - 0xffffffff, /* dst_mask */ - false), /* pcrel_offset */ - - HOWTO (R_SH_ALIGN, /* type */ - 0, /* rightshift */ - 2, /* size (0 = byte, 1 = short, 2 = long) */ - 32, /* bitsize */ - false, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_bitfield, /* complain_on_overflow */ - sh_reloc, /* special_function */ - "r_align", /* name */ - true, /* partial_inplace */ - 0xffffffff, /* src_mask */ - 0xffffffff, /* dst_mask */ - false), /* pcrel_offset */ - - HOWTO (R_SH_CODE, /* type */ - 0, /* rightshift */ - 2, /* size (0 = byte, 1 = short, 2 = long) */ - 32, /* bitsize */ - false, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_bitfield, /* complain_on_overflow */ - sh_reloc, /* special_function */ - "r_code", /* name */ - true, /* partial_inplace */ - 0xffffffff, /* src_mask */ - 0xffffffff, /* dst_mask */ - false), /* pcrel_offset */ - - HOWTO (R_SH_DATA, /* type */ - 0, /* rightshift */ - 2, /* size (0 = byte, 1 = short, 2 = long) */ - 32, /* bitsize */ - false, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_bitfield, /* complain_on_overflow */ - sh_reloc, /* special_function */ - "r_data", /* name */ - true, /* partial_inplace */ - 0xffffffff, /* src_mask */ - 0xffffffff, /* dst_mask */ - false), /* pcrel_offset */ - - HOWTO (R_SH_LABEL, /* type */ - 0, /* rightshift */ - 2, /* size (0 = byte, 1 = short, 2 = long) */ - 32, /* bitsize */ - false, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_bitfield, /* complain_on_overflow */ - sh_reloc, /* special_function */ - "r_label", /* name */ - true, /* partial_inplace */ - 0xffffffff, /* src_mask */ - 0xffffffff, /* dst_mask */ - false), /* pcrel_offset */ - - HOWTO (R_SH_SWITCH8, /* type */ - 0, /* rightshift */ - 0, /* size (0 = byte, 1 = short, 2 = long) */ - 8, /* bitsize */ - false, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_bitfield, /* complain_on_overflow */ - sh_reloc, /* special_function */ - "r_switch8", /* name */ - true, /* partial_inplace */ - 0xff, /* src_mask */ - 0xff, /* dst_mask */ - false) /* pcrel_offset */ -}; - -#define SH_COFF_HOWTO_COUNT (sizeof sh_coff_howtos / sizeof sh_coff_howtos[0]) - -/* Check for a bad magic number. */ -#define BADMAG(x) SHBADMAG(x) - -/* Customize coffcode.h (this is not currently used). */ -#define SH 1 - -/* FIXME: This should not be set here. */ -#define __A_MAGIC_SET__ - -/* Swap the r_offset field in and out. */ -#define SWAP_IN_RELOC_OFFSET bfd_h_get_32 -#define SWAP_OUT_RELOC_OFFSET bfd_h_put_32 - -/* Swap out extra information in the reloc structure. */ -#define SWAP_OUT_RELOC_EXTRA(abfd, src, dst) \ - do \ - { \ - dst->r_stuff[0] = 'S'; \ - dst->r_stuff[1] = 'C'; \ - } \ - while (0) - -/* Get the value of a symbol, when performing a relocation. */ - -static long -get_symbol_value (symbol) - asymbol *symbol; -{ - bfd_vma relocation; - - if (bfd_is_com_section (symbol->section)) - relocation = 0; - else - relocation = (symbol->value + - symbol->section->output_section->vma + - symbol->section->output_offset); - - return relocation; -} - -/* This macro is used in coffcode.h to get the howto corresponding to - an internal reloc. */ - -#define RTYPE2HOWTO(relent, internal) \ - ((relent)->howto = \ - ((internal)->r_type < SH_COFF_HOWTO_COUNT \ - ? &sh_coff_howtos[(internal)->r_type] \ - : (reloc_howto_type *) NULL)) - -/* This is the same as the macro in coffcode.h, except that it copies - r_offset into reloc_entry->addend for some relocs. */ -#define CALC_ADDEND(abfd, ptr, reloc, cache_ptr) \ - { \ - coff_symbol_type *coffsym = (coff_symbol_type *) NULL; \ - if (ptr && bfd_asymbol_bfd (ptr) != abfd) \ - coffsym = (obj_symbols (abfd) \ - + (cache_ptr->sym_ptr_ptr - symbols)); \ - else if (ptr) \ - coffsym = coff_symbol_from (abfd, ptr); \ - if (coffsym != (coff_symbol_type *) NULL \ - && coffsym->native->u.syment.n_scnum == 0) \ - cache_ptr->addend = 0; \ - else if (ptr && bfd_asymbol_bfd (ptr) == abfd \ - && ptr->section != (asection *) NULL) \ - cache_ptr->addend = - (ptr->section->vma + ptr->value); \ - else \ - cache_ptr->addend = 0; \ - if ((reloc).r_type == R_SH_SWITCH8 \ - || (reloc).r_type == R_SH_SWITCH16 \ - || (reloc).r_type == R_SH_SWITCH32 \ - || (reloc).r_type == R_SH_USES \ - || (reloc).r_type == R_SH_COUNT \ - || (reloc).r_type == R_SH_ALIGN) \ - cache_ptr->addend = (reloc).r_offset; \ - } - -/* This is the howto function for the SH relocations. */ - -static bfd_reloc_status_type -sh_reloc (abfd, reloc_entry, symbol_in, data, input_section, output_bfd, - error_message) - bfd *abfd; - arelent *reloc_entry; - asymbol *symbol_in; - PTR data; - asection *input_section; - bfd *output_bfd; - char **error_message; -{ - unsigned long insn; - bfd_vma sym_value; - unsigned short r_type; - bfd_vma addr = reloc_entry->address; - bfd_byte *hit_data = addr + (bfd_byte *) data; - - r_type = reloc_entry->howto->type; - - if (output_bfd != NULL) - { - /* Partial linking--do nothing. */ - reloc_entry->address += input_section->output_offset; - return bfd_reloc_ok; - } - - /* Almost all relocs have to do with relaxing. If any work must be - done for them, it has been done in sh_relax_section. */ - if (r_type != R_SH_IMM32 - && (r_type != R_SH_PCDISP - || (symbol_in->flags & BSF_LOCAL) != 0)) - return bfd_reloc_ok; - - if (symbol_in != NULL - && bfd_is_und_section (symbol_in->section)) - return bfd_reloc_undefined; - - sym_value = get_symbol_value (symbol_in); - - switch (r_type) - { - case R_SH_IMM32: - insn = bfd_get_32 (abfd, hit_data); - insn += sym_value + reloc_entry->addend; - bfd_put_32 (abfd, insn, hit_data); - break; - case R_SH_PCDISP: - insn = bfd_get_16 (abfd, hit_data); - sym_value += reloc_entry->addend; - sym_value -= (input_section->output_section->vma - + input_section->output_offset - + addr - + 4); - sym_value += (insn & 0xfff) << 1; - if (insn & 0x800) - sym_value -= 0x1000; - insn = (insn & 0xf000) | (sym_value & 0xfff); - bfd_put_16 (abfd, insn, hit_data); - if (sym_value < (bfd_vma) -0x1000 || sym_value >= 0x1000) - return bfd_reloc_overflow; - break; - default: - abort (); - break; - } - - return bfd_reloc_ok; -} - -/* This routine checks for linking big and little endian objects - together. */ - -static boolean -sh_merge_private_data (ibfd, obfd) - bfd *ibfd; - bfd *obfd; -{ - if (ibfd->xvec->byteorder != obfd->xvec->byteorder - && obfd->xvec->byteorder != BFD_ENDIAN_UNKNOWN) - { - (*_bfd_error_handler) - ("%s: compiled for a %s endian system and target is %s endian", - bfd_get_filename (ibfd), - bfd_big_endian (ibfd) ? "big" : "little", - bfd_big_endian (obfd) ? "big" : "little"); - - bfd_set_error (bfd_error_wrong_format); - return false; - } - - return true; -} - -#define coff_bfd_merge_private_bfd_data sh_merge_private_data - -/* We can do relaxing. */ -#define coff_bfd_relax_section sh_relax_section - -/* We use the special COFF backend linker. */ -#define coff_relocate_section sh_relocate_section - -/* When relaxing, we need to use special code to get the relocated - section contents. */ -#define coff_bfd_get_relocated_section_contents \ - sh_coff_get_relocated_section_contents - -#include "coffcode.h" - -/* This function handles relaxing on the SH. - - Function calls on the SH look like this: - - movl L1,r0 - ... - jsr @r0 - ... - L1: - .long function - - The compiler and assembler will cooperate to create R_SH_USES - relocs on the jsr instructions. The r_offset field of the - R_SH_USES reloc is the PC relative offset to the instruction which - loads the register (the r_offset field is computed as though it - were a jump instruction, so the offset value is actually from four - bytes past the instruction). The linker can use this reloc to - determine just which function is being called, and thus decide - whether it is possible to replace the jsr with a bsr. - - If multiple function calls are all based on a single register load - (i.e., the same function is called multiple times), the compiler - guarantees that each function call will have an R_SH_USES reloc. - Therefore, if the linker is able to convert each R_SH_USES reloc - which refers to that address, it can safely eliminate the register - load. - - When the assembler creates an R_SH_USES reloc, it examines it to - determine which address is being loaded (L1 in the above example). - It then counts the number of references to that address, and - creates an R_SH_COUNT reloc at that address. The r_offset field of - the R_SH_COUNT reloc will be the number of references. If the - linker is able to eliminate a register load, it can use the - R_SH_COUNT reloc to see whether it can also eliminate the function - address. - - SH relaxing also handles another, unrelated, matter. On the SH, if - a load or store instruction is not aligned on a four byte boundary, - the memory cycle interferes with the 32 bit instruction fetch, - causing a one cycle bubble in the pipeline. Therefore, we try to - align load and store instructions on four byte boundaries if we - can, by swapping them with one of the adjacent instructions. */ - -static boolean -sh_relax_section (abfd, sec, link_info, again) - bfd *abfd; - asection *sec; - struct bfd_link_info *link_info; - boolean *again; -{ - struct internal_reloc *internal_relocs; - struct internal_reloc *free_relocs = NULL; - boolean have_code; - struct internal_reloc *irel, *irelend; - bfd_byte *contents = NULL; - bfd_byte *free_contents = NULL; - - *again = false; - - if (link_info->relocateable - || (sec->flags & SEC_RELOC) == 0 - || sec->reloc_count == 0) - return true; - - /* If this is the first time we have been called for this section, - initialize the cooked size. */ - if (sec->_cooked_size == 0) - sec->_cooked_size = sec->_raw_size; - - internal_relocs = (_bfd_coff_read_internal_relocs - (abfd, sec, link_info->keep_memory, - (bfd_byte *) NULL, false, - (struct internal_reloc *) NULL)); - if (internal_relocs == NULL) - goto error_return; - if (! link_info->keep_memory) - free_relocs = internal_relocs; - - have_code = false; - - irelend = internal_relocs + sec->reloc_count; - for (irel = internal_relocs; irel < irelend; irel++) - { - bfd_vma laddr, paddr, symval; - unsigned short insn; - struct internal_reloc *irelfn, *irelscan, *irelcount; - struct internal_syment sym; - bfd_signed_vma foff; - - if (irel->r_type == R_SH_CODE) - have_code = true; - - if (irel->r_type != R_SH_USES) - continue; - - /* Get the section contents. */ - if (contents == NULL) - { - if (coff_section_data (abfd, sec) != NULL - && coff_section_data (abfd, sec)->contents != NULL) - contents = coff_section_data (abfd, sec)->contents; - else - { - contents = (bfd_byte *) bfd_malloc (sec->_raw_size); - if (contents == NULL) - goto error_return; - free_contents = contents; - - if (! bfd_get_section_contents (abfd, sec, contents, - (file_ptr) 0, sec->_raw_size)) - goto error_return; - } - } - - /* The r_offset field of the R_SH_USES reloc will point us to - the register load. The 4 is because the r_offset field is - computed as though it were a jump offset, which are based - from 4 bytes after the jump instruction. */ - laddr = irel->r_vaddr - sec->vma + 4; - /* Careful to sign extend the 32-bit offset. */ - laddr += ((irel->r_offset & 0xffffffff) ^ 0x80000000) - 0x80000000; - if (laddr >= sec->_raw_size) - { - (*_bfd_error_handler) ("%s: 0x%lx: warning: bad R_SH_USES offset", - bfd_get_filename (abfd), - (unsigned long) irel->r_vaddr); - continue; - } - insn = bfd_get_16 (abfd, contents + laddr); - - /* If the instruction is not mov.l NN,rN, we don't know what to do. */ - if ((insn & 0xf000) != 0xd000) - { - ((*_bfd_error_handler) - ("%s: 0x%lx: warning: R_SH_USES points to unrecognized insn 0x%x", - bfd_get_filename (abfd), (unsigned long) irel->r_vaddr, insn)); - continue; - } - - /* Get the address from which the register is being loaded. The - displacement in the mov.l instruction is quadrupled. It is a - displacement from four bytes after the movl instruction, but, - before adding in the PC address, two least significant bits - of the PC are cleared. We assume that the section is aligned - on a four byte boundary. */ - paddr = insn & 0xff; - paddr *= 4; - paddr += (laddr + 4) &~ 3; - if (paddr >= sec->_raw_size) - { - ((*_bfd_error_handler) - ("%s: 0x%lx: warning: bad R_SH_USES load offset", - bfd_get_filename (abfd), (unsigned long) irel->r_vaddr)); - continue; - } - - /* Get the reloc for the address from which the register is - being loaded. This reloc will tell us which function is - actually being called. */ - paddr += sec->vma; - for (irelfn = internal_relocs; irelfn < irelend; irelfn++) - if (irelfn->r_vaddr == paddr - && irelfn->r_type == R_SH_IMM32) - break; - if (irelfn >= irelend) - { - ((*_bfd_error_handler) - ("%s: 0x%lx: warning: could not find expected reloc", - bfd_get_filename (abfd), (unsigned long) paddr)); - continue; - } - - /* Get the value of the symbol referred to by the reloc. */ - if (! _bfd_coff_get_external_symbols (abfd)) - goto error_return; - bfd_coff_swap_sym_in (abfd, - ((bfd_byte *) obj_coff_external_syms (abfd) - + (irelfn->r_symndx - * bfd_coff_symesz (abfd))), - &sym); - if (sym.n_scnum != 0 && sym.n_scnum != sec->target_index) - { - ((*_bfd_error_handler) - ("%s: 0x%lx: warning: symbol in unexpected section", - bfd_get_filename (abfd), (unsigned long) paddr)); - continue; - } - - if (sym.n_sclass != C_EXT) - { - symval = (sym.n_value - - sec->vma - + sec->output_section->vma - + sec->output_offset); - } - else - { - struct coff_link_hash_entry *h; - - h = obj_coff_sym_hashes (abfd)[irelfn->r_symndx]; - BFD_ASSERT (h != NULL); - if (h->root.type != bfd_link_hash_defined - && h->root.type != bfd_link_hash_defweak) - { - /* This appears to be a reference to an undefined - symbol. Just ignore it--it will be caught by the - regular reloc processing. */ - continue; - } - - symval = (h->root.u.def.value - + h->root.u.def.section->output_section->vma - + h->root.u.def.section->output_offset); - } - - symval += bfd_get_32 (abfd, contents + paddr - sec->vma); - - /* See if this function call can be shortened. */ - foff = (symval - - (irel->r_vaddr - - sec->vma - + sec->output_section->vma - + sec->output_offset - + 4)); - if (foff < -0x1000 || foff >= 0x1000) - { - /* After all that work, we can't shorten this function call. */ - continue; - } - - /* Shorten the function call. */ - - /* For simplicity of coding, we are going to modify the section - contents, the section relocs, and the BFD symbol table. We - must tell the rest of the code not to free up this - information. It would be possible to instead create a table - of changes which have to be made, as is done in coff-mips.c; - that would be more work, but would require less memory when - the linker is run. */ - - if (coff_section_data (abfd, sec) == NULL) - { - sec->used_by_bfd = - ((PTR) bfd_zalloc (abfd, sizeof (struct coff_section_tdata))); - if (sec->used_by_bfd == NULL) - goto error_return; - } - - coff_section_data (abfd, sec)->relocs = internal_relocs; - coff_section_data (abfd, sec)->keep_relocs = true; - free_relocs = NULL; - - coff_section_data (abfd, sec)->contents = contents; - coff_section_data (abfd, sec)->keep_contents = true; - free_contents = NULL; - - obj_coff_keep_syms (abfd) = true; - - /* Replace the jsr with a bsr. */ - - /* Change the R_SH_USES reloc into an R_SH_PCDISP reloc, and - replace the jsr with a bsr. */ - irel->r_type = R_SH_PCDISP; - irel->r_symndx = irelfn->r_symndx; - if (sym.n_sclass != C_EXT) - { - /* If this needs to be changed because of future relaxing, - it will be handled here like other internal PCDISP - relocs. */ - bfd_put_16 (abfd, - 0xb000 | ((foff >> 1) & 0xfff), - contents + irel->r_vaddr - sec->vma); - } - else - { - /* We can't fully resolve this yet, because the external - symbol value may be changed by future relaxing. We let - the final link phase handle it. */ - bfd_put_16 (abfd, 0xb000, contents + irel->r_vaddr - sec->vma); - } - - /* See if there is another R_SH_USES reloc referring to the same - register load. */ - for (irelscan = internal_relocs; irelscan < irelend; irelscan++) - if (irelscan->r_type == R_SH_USES - && laddr == irelscan->r_vaddr - sec->vma + 4 + irelscan->r_offset) - break; - if (irelscan < irelend) - { - /* Some other function call depends upon this register load, - and we have not yet converted that function call. - Indeed, we may never be able to convert it. There is - nothing else we can do at this point. */ - continue; - } - - /* Look for a R_SH_COUNT reloc on the location where the - function address is stored. Do this before deleting any - bytes, to avoid confusion about the address. */ - for (irelcount = internal_relocs; irelcount < irelend; irelcount++) - if (irelcount->r_vaddr == paddr - && irelcount->r_type == R_SH_COUNT) - break; - - /* Delete the register load. */ - if (! sh_relax_delete_bytes (abfd, sec, laddr, 2)) - goto error_return; - - /* That will change things, so, just in case it permits some - other function call to come within range, we should relax - again. Note that this is not required, and it may be slow. */ - *again = true; - - /* Now check whether we got a COUNT reloc. */ - if (irelcount >= irelend) - { - ((*_bfd_error_handler) - ("%s: 0x%lx: warning: could not find expected COUNT reloc", - bfd_get_filename (abfd), (unsigned long) paddr)); - continue; - } - - /* The number of uses is stored in the r_offset field. We've - just deleted one. */ - if (irelcount->r_offset == 0) - { - ((*_bfd_error_handler) ("%s: 0x%lx: warning: bad count", - bfd_get_filename (abfd), - (unsigned long) paddr)); - continue; - } - - --irelcount->r_offset; - - /* If there are no more uses, we can delete the address. Reload - the address from irelfn, in case it was changed by the - previous call to sh_relax_delete_bytes. */ - if (irelcount->r_offset == 0) - { - if (! sh_relax_delete_bytes (abfd, sec, - irelfn->r_vaddr - sec->vma, 4)) - goto error_return; - } - - /* We've done all we can with that function call. */ - } - - /* Look for load and store instructions that we can align on four - byte boundaries. */ - if (have_code) - { - boolean swapped; - - /* Get the section contents. */ - if (contents == NULL) - { - if (coff_section_data (abfd, sec) != NULL - && coff_section_data (abfd, sec)->contents != NULL) - contents = coff_section_data (abfd, sec)->contents; - else - { - contents = (bfd_byte *) bfd_malloc (sec->_raw_size); - if (contents == NULL) - goto error_return; - free_contents = contents; - - if (! bfd_get_section_contents (abfd, sec, contents, - (file_ptr) 0, sec->_raw_size)) - goto error_return; - } - } - - if (! sh_align_loads (abfd, sec, internal_relocs, contents, &swapped)) - goto error_return; - - if (swapped) - { - if (coff_section_data (abfd, sec) == NULL) - { - sec->used_by_bfd = - ((PTR) bfd_zalloc (abfd, sizeof (struct coff_section_tdata))); - if (sec->used_by_bfd == NULL) - goto error_return; - } - - coff_section_data (abfd, sec)->relocs = internal_relocs; - coff_section_data (abfd, sec)->keep_relocs = true; - free_relocs = NULL; - - coff_section_data (abfd, sec)->contents = contents; - coff_section_data (abfd, sec)->keep_contents = true; - free_contents = NULL; - - obj_coff_keep_syms (abfd) = true; - } - } - - if (free_relocs != NULL) - { - free (free_relocs); - free_relocs = NULL; - } - - if (free_contents != NULL) - { - if (! link_info->keep_memory) - free (free_contents); - else - { - /* Cache the section contents for coff_link_input_bfd. */ - if (coff_section_data (abfd, sec) == NULL) - { - sec->used_by_bfd = - ((PTR) bfd_zalloc (abfd, sizeof (struct coff_section_tdata))); - if (sec->used_by_bfd == NULL) - goto error_return; - coff_section_data (abfd, sec)->relocs = NULL; - } - coff_section_data (abfd, sec)->contents = contents; - } - } - - return true; - - error_return: - if (free_relocs != NULL) - free (free_relocs); - if (free_contents != NULL) - free (free_contents); - return false; -} - -/* Delete some bytes from a section while relaxing. */ - -static boolean -sh_relax_delete_bytes (abfd, sec, addr, count) - bfd *abfd; - asection *sec; - bfd_vma addr; - int count; -{ - bfd_byte *contents; - struct internal_reloc *irel, *irelend; - struct internal_reloc *irelalign; - bfd_vma toaddr; - bfd_byte *esym, *esymend; - bfd_size_type symesz; - struct coff_link_hash_entry **sym_hash; - asection *o; - - contents = coff_section_data (abfd, sec)->contents; - - /* The deletion must stop at the next ALIGN reloc for an aligment - power larger than the number of bytes we are deleting. */ - - irelalign = NULL; - toaddr = sec->_cooked_size; - - irel = coff_section_data (abfd, sec)->relocs; - irelend = irel + sec->reloc_count; - for (; irel < irelend; irel++) - { - if (irel->r_type == R_SH_ALIGN - && irel->r_vaddr - sec->vma > addr - && count < (1 << irel->r_offset)) - { - irelalign = irel; - toaddr = irel->r_vaddr - sec->vma; - break; - } - } - - /* Actually delete the bytes. */ - memmove (contents + addr, contents + addr + count, toaddr - addr - count); - if (irelalign == NULL) - sec->_cooked_size -= count; - else - { - int i; - -#define NOP_OPCODE (0x0009) - - BFD_ASSERT ((count & 1) == 0); - for (i = 0; i < count; i += 2) - bfd_put_16 (abfd, NOP_OPCODE, contents + toaddr - count + i); - } - - /* Adjust all the relocs. */ - for (irel = coff_section_data (abfd, sec)->relocs; irel < irelend; irel++) - { - bfd_vma nraddr, stop; - bfd_vma start = 0; - int insn = 0; - struct internal_syment sym; - int off, adjust, oinsn; - bfd_signed_vma voff = 0; - boolean overflow; - - /* Get the new reloc address. */ - nraddr = irel->r_vaddr - sec->vma; - if ((irel->r_vaddr - sec->vma > addr - && irel->r_vaddr - sec->vma < toaddr) - || (irel->r_type == R_SH_ALIGN - && irel->r_vaddr - sec->vma == toaddr)) - nraddr -= count; - - /* See if this reloc was for the bytes we have deleted, in which - case we no longer care about it. Don't delete relocs which - represent addresses, though. */ - if (irel->r_vaddr - sec->vma >= addr - && irel->r_vaddr - sec->vma < addr + count - && irel->r_type != R_SH_ALIGN - && irel->r_type != R_SH_CODE - && irel->r_type != R_SH_DATA - && irel->r_type != R_SH_LABEL) - irel->r_type = R_SH_UNUSED; - - /* If this is a PC relative reloc, see if the range it covers - includes the bytes we have deleted. */ - switch (irel->r_type) - { - default: - break; - - case R_SH_PCDISP8BY2: - case R_SH_PCDISP: - case R_SH_PCRELIMM8BY2: - case R_SH_PCRELIMM8BY4: - start = irel->r_vaddr - sec->vma; - insn = bfd_get_16 (abfd, contents + nraddr); - break; - } - - switch (irel->r_type) - { - default: - start = stop = addr; - break; - - case R_SH_IMM32: - /* If this reloc is against a symbol defined in this - section, and the symbol will not be adjusted below, we - must check the addend to see it will put the value in - range to be adjusted, and hence must be changed. */ - bfd_coff_swap_sym_in (abfd, - ((bfd_byte *) obj_coff_external_syms (abfd) - + (irel->r_symndx - * bfd_coff_symesz (abfd))), - &sym); - if (sym.n_sclass != C_EXT - && sym.n_scnum == sec->target_index - && ((bfd_vma) sym.n_value <= addr - || (bfd_vma) sym.n_value >= toaddr)) - { - bfd_vma val; - - val = bfd_get_32 (abfd, contents + nraddr); - val += sym.n_value; - if (val >= addr && val < toaddr) - bfd_put_32 (abfd, val - count, contents + nraddr); - } - start = stop = addr; - break; - - case R_SH_PCDISP8BY2: - off = insn & 0xff; - if (off & 0x80) - off -= 0x100; - stop = (bfd_vma) ((bfd_signed_vma) start + 4 + off * 2); - break; - - case R_SH_PCDISP: - bfd_coff_swap_sym_in (abfd, - ((bfd_byte *) obj_coff_external_syms (abfd) - + (irel->r_symndx - * bfd_coff_symesz (abfd))), - &sym); - if (sym.n_sclass == C_EXT) - start = stop = addr; - else - { - off = insn & 0xfff; - if (off & 0x800) - off -= 0x1000; - stop = (bfd_vma) ((bfd_signed_vma) start + 4 + off * 2); - } - break; - - case R_SH_PCRELIMM8BY2: - off = insn & 0xff; - stop = start + 4 + off * 2; - break; - - case R_SH_PCRELIMM8BY4: - off = insn & 0xff; - stop = (start &~ (bfd_vma) 3) + 4 + off * 4; - break; - - case R_SH_SWITCH8: - case R_SH_SWITCH16: - case R_SH_SWITCH32: - /* These relocs types represent - .word L2-L1 - The r_offset field holds the difference between the reloc - address and L1. That is the start of the reloc, and - adding in the contents gives us the top. We must adjust - both the r_offset field and the section contents. */ - - start = irel->r_vaddr - sec->vma; - stop = (bfd_vma) ((bfd_signed_vma) start - (long) irel->r_offset); - - if (start > addr - && start < toaddr - && (stop <= addr || stop >= toaddr)) - irel->r_offset += count; - else if (stop > addr - && stop < toaddr - && (start <= addr || start >= toaddr)) - irel->r_offset -= count; - - start = stop; - - if (irel->r_type == R_SH_SWITCH16) - voff = bfd_get_signed_16 (abfd, contents + nraddr); - else if (irel->r_type == R_SH_SWITCH8) - voff = bfd_get_8 (abfd, contents + nraddr); - else - voff = bfd_get_signed_32 (abfd, contents + nraddr); - stop = (bfd_vma) ((bfd_signed_vma) start + voff); - - break; - - case R_SH_USES: - start = irel->r_vaddr - sec->vma; - stop = (bfd_vma) ((bfd_signed_vma) start - + (long) irel->r_offset - + 4); - break; - } - - if (start > addr - && start < toaddr - && (stop <= addr || stop >= toaddr)) - adjust = count; - else if (stop > addr - && stop < toaddr - && (start <= addr || start >= toaddr)) - adjust = - count; - else - adjust = 0; - - if (adjust != 0) - { - oinsn = insn; - overflow = false; - switch (irel->r_type) - { - default: - abort (); - break; - - case R_SH_PCDISP8BY2: - case R_SH_PCRELIMM8BY2: - insn += adjust / 2; - if ((oinsn & 0xff00) != (insn & 0xff00)) - overflow = true; - bfd_put_16 (abfd, insn, contents + nraddr); - break; - - case R_SH_PCDISP: - insn += adjust / 2; - if ((oinsn & 0xf000) != (insn & 0xf000)) - overflow = true; - bfd_put_16 (abfd, insn, contents + nraddr); - break; - - case R_SH_PCRELIMM8BY4: - BFD_ASSERT (adjust == count || count >= 4); - if (count >= 4) - insn += adjust / 4; - else - { - if ((irel->r_vaddr & 3) == 0) - ++insn; - } - if ((oinsn & 0xff00) != (insn & 0xff00)) - overflow = true; - bfd_put_16 (abfd, insn, contents + nraddr); - break; - - case R_SH_SWITCH8: - voff += adjust; - if (voff < 0 || voff >= 0xff) - overflow = true; - bfd_put_8 (abfd, voff, contents + nraddr); - break; - - case R_SH_SWITCH16: - voff += adjust; - if (voff < - 0x8000 || voff >= 0x8000) - overflow = true; - bfd_put_signed_16 (abfd, voff, contents + nraddr); - break; - - case R_SH_SWITCH32: - voff += adjust; - bfd_put_signed_32 (abfd, voff, contents + nraddr); - break; - - case R_SH_USES: - irel->r_offset += adjust; - break; - } - - if (overflow) - { - ((*_bfd_error_handler) - ("%s: 0x%lx: fatal: reloc overflow while relaxing", - bfd_get_filename (abfd), (unsigned long) irel->r_vaddr)); - bfd_set_error (bfd_error_bad_value); - return false; - } - } - - irel->r_vaddr = nraddr + sec->vma; - } - - /* Look through all the other sections. If there contain any IMM32 - relocs against internal symbols which we are not going to adjust - below, we may need to adjust the addends. */ - for (o = abfd->sections; o != NULL; o = o->next) - { - struct internal_reloc *internal_relocs; - struct internal_reloc *irelscan, *irelscanend; - bfd_byte *ocontents; - - if (o == sec - || (o->flags & SEC_RELOC) == 0 - || o->reloc_count == 0) - continue; - - /* We always cache the relocs. Perhaps, if info->keep_memory is - false, we should free them, if we are permitted to, when we - leave sh_coff_relax_section. */ - internal_relocs = (_bfd_coff_read_internal_relocs - (abfd, o, true, (bfd_byte *) NULL, false, - (struct internal_reloc *) NULL)); - if (internal_relocs == NULL) - return false; - - ocontents = NULL; - irelscanend = internal_relocs + o->reloc_count; - for (irelscan = internal_relocs; irelscan < irelscanend; irelscan++) - { - struct internal_syment sym; - - if (irelscan->r_type != R_SH_IMM32) - continue; - - bfd_coff_swap_sym_in (abfd, - ((bfd_byte *) obj_coff_external_syms (abfd) - + (irelscan->r_symndx - * bfd_coff_symesz (abfd))), - &sym); - if (sym.n_sclass != C_EXT - && sym.n_scnum == sec->target_index - && ((bfd_vma) sym.n_value <= addr - || (bfd_vma) sym.n_value >= toaddr)) - { - bfd_vma val; - - if (ocontents == NULL) - { - if (coff_section_data (abfd, o)->contents != NULL) - ocontents = coff_section_data (abfd, o)->contents; - else - { - /* We always cache the section contents. - Perhaps, if info->keep_memory is false, we - should free them, if we are permitted to, - when we leave sh_coff_relax_section. */ - ocontents = (bfd_byte *) bfd_malloc (o->_raw_size); - if (ocontents == NULL) - return false; - if (! bfd_get_section_contents (abfd, o, ocontents, - (file_ptr) 0, - o->_raw_size)) - return false; - coff_section_data (abfd, o)->contents = ocontents; - } - } - - val = bfd_get_32 (abfd, ocontents + irelscan->r_vaddr - o->vma); - val += sym.n_value; - if (val >= addr && val < toaddr) - bfd_put_32 (abfd, val - count, - ocontents + irelscan->r_vaddr - o->vma); - - coff_section_data (abfd, o)->keep_contents = true; - } - } - } - - /* Adjusting the internal symbols will not work if something has - already retrieved the generic symbols. It would be possible to - make this work by adjusting the generic symbols at the same time. - However, this case should not arise in normal usage. */ - if (obj_symbols (abfd) != NULL - || obj_raw_syments (abfd) != NULL) - { - ((*_bfd_error_handler) - ("%s: fatal: generic symbols retrieved before relaxing", - bfd_get_filename (abfd))); - bfd_set_error (bfd_error_invalid_operation); - return false; - } - - /* Adjust all the symbols. */ - sym_hash = obj_coff_sym_hashes (abfd); - symesz = bfd_coff_symesz (abfd); - esym = (bfd_byte *) obj_coff_external_syms (abfd); - esymend = esym + obj_raw_syment_count (abfd) * symesz; - while (esym < esymend) - { - struct internal_syment isym; - - bfd_coff_swap_sym_in (abfd, (PTR) esym, (PTR) &isym); - - if (isym.n_scnum == sec->target_index - && (bfd_vma) isym.n_value > addr - && (bfd_vma) isym.n_value < toaddr) - { - isym.n_value -= count; - - bfd_coff_swap_sym_out (abfd, (PTR) &isym, (PTR) esym); - - if (*sym_hash != NULL) - { - BFD_ASSERT ((*sym_hash)->root.type == bfd_link_hash_defined - || (*sym_hash)->root.type == bfd_link_hash_defweak); - BFD_ASSERT ((*sym_hash)->root.u.def.value >= addr - && (*sym_hash)->root.u.def.value < toaddr); - (*sym_hash)->root.u.def.value -= count; - } - } - - esym += (isym.n_numaux + 1) * symesz; - sym_hash += isym.n_numaux + 1; - } - - /* See if we can move the ALIGN reloc forward. We have adjusted - r_vaddr for it already. */ - if (irelalign != NULL) - { - bfd_vma alignto, alignaddr; - - alignto = BFD_ALIGN (toaddr, 1 << irelalign->r_offset); - alignaddr = BFD_ALIGN (irelalign->r_vaddr - sec->vma, - 1 << irelalign->r_offset); - if (alignto != alignaddr) - { - /* Tail recursion. */ - return sh_relax_delete_bytes (abfd, sec, alignaddr, - alignto - alignaddr); - } - } - - return true; -} - -/* This is yet another version of the SH opcode table, used to rapidly - get information about a particular instruction. */ - -/* The opcode map is represented by an array of these structures. The - array is indexed by the high order four bits in the instruction. */ - -struct sh_major_opcode -{ - /* A pointer to the instruction list. This is an array which - contains all the instructions with this major opcode. */ - const struct sh_minor_opcode *minor_opcodes; - /* The number of elements in minor_opcodes. */ - unsigned short count; -}; - -/* This structure holds information for a set of SH opcodes. The - instruction code is anded with the mask value, and the resulting - value is used to search the order opcode list. */ - -struct sh_minor_opcode -{ - /* The sorted opcode list. */ - const struct sh_opcode *opcodes; - /* The number of elements in opcodes. */ - unsigned short count; - /* The mask value to use when searching the opcode list. */ - unsigned short mask; -}; - -/* This structure holds information for an SH instruction. An array - of these structures is sorted in order by opcode. */ - -struct sh_opcode -{ - /* The code for this instruction, after it has been anded with the - mask value in the sh_major_opcode structure. */ - unsigned short opcode; - /* Flags for this instruction. */ - unsigned short flags; -}; - -/* Flag which appear in the sh_opcode structure. */ - -/* This instruction loads a value from memory. */ -#define LOAD (0x1) - -/* This instruction stores a value to memory. */ -#define STORE (0x2) - -/* This instruction is a branch. */ -#define BRANCH (0x4) - -/* This instruction has a delay slot. */ -#define DELAY (0x8) - -/* This instruction uses the value in the register in the field at - mask 0x0f00 of the instruction. */ -#define USES1 (0x10) - -/* This instruction uses the value in the register in the field at - mask 0x00f0 of the instruction. */ -#define USES2 (0x20) - -/* This instruction uses the value in register 0. */ -#define USESR0 (0x40) - -/* This instruction sets the value in the register in the field at - mask 0x0f00 of the instruction. */ -#define SETS1 (0x80) - -/* This instruction sets the value in the register in the field at - mask 0x00f0 of the instruction. */ -#define SETS2 (0x100) - -/* This instruction sets register 0. */ -#define SETSR0 (0x200) - -/* This instruction sets a special register. */ -#define SETSSP (0x400) - -/* This instruction uses a special register. */ -#define USESSP (0x800) - -/* This instruction uses the floating point register in the field at - mask 0x0f00 of the instruction. */ -#define USESF1 (0x1000) - -/* This instruction uses the floating point register in the field at - mask 0x00f0 of the instruction. */ -#define USESF2 (0x2000) - -/* This instruction uses floating point register 0. */ -#define USESF0 (0x4000) - -/* This instruction sets the floating point register in the field at - mask 0x0f00 of the instruction. */ -#define SETSF1 (0x8000) - -static boolean sh_insn_uses_reg - PARAMS ((unsigned int, const struct sh_opcode *, unsigned int)); -static boolean sh_insn_uses_freg - PARAMS ((unsigned int, const struct sh_opcode *, unsigned int)); -static boolean sh_insns_conflict - PARAMS ((unsigned int, const struct sh_opcode *, unsigned int, - const struct sh_opcode *)); -static boolean sh_load_use - PARAMS ((unsigned int, const struct sh_opcode *, unsigned int, - const struct sh_opcode *)); - -/* The opcode maps. */ - -#define MAP(a) a, sizeof a / sizeof a[0] - -static const struct sh_opcode sh_opcode00[] = -{ - { 0x0008, SETSSP }, /* clrt */ - { 0x0009, 0 }, /* nop */ - { 0x000b, BRANCH | DELAY | USESSP }, /* rts */ - { 0x0018, SETSSP }, /* sett */ - { 0x0019, SETSSP }, /* div0u */ - { 0x001b, 0 }, /* sleep */ - { 0x0028, SETSSP }, /* clrmac */ - { 0x002b, BRANCH | DELAY | SETSSP }, /* rte */ - { 0x0038, USESSP | SETSSP }, /* ldtlb */ - { 0x0048, SETSSP }, /* clrs */ - { 0x0058, SETSSP } /* sets */ -}; - -static const struct sh_opcode sh_opcode01[] = -{ - { 0x0002, SETS1 | USESSP }, /* stc sr,rn */ - { 0x0003, BRANCH | DELAY | USES1 | SETSSP }, /* bsrf rn */ - { 0x000a, SETS1 | USESSP }, /* sts mach,rn */ - { 0x0012, SETS1 | USESSP }, /* stc gbr,rn */ - { 0x001a, SETS1 | USESSP }, /* sts macl,rn */ - { 0x0022, SETS1 | USESSP }, /* stc vbr,rn */ - { 0x0023, BRANCH | DELAY | USES1 }, /* braf rn */ - { 0x0029, SETS1 | USESSP }, /* movt rn */ - { 0x002a, SETS1 | USESSP }, /* sts pr,rn */ - { 0x0032, SETS1 | USESSP }, /* stc ssr,rn */ - { 0x0042, SETS1 | USESSP }, /* stc spc,rn */ - { 0x005a, SETS1 | USESSP }, /* sts fpul,rn */ - { 0x006a, SETS1 | USESSP }, /* sts fpscr,rn */ - { 0x0082, SETS1 | USESSP }, /* stc r0_bank,rn */ - { 0x0083, LOAD | USES1 }, /* pref @rn */ - { 0x0092, SETS1 | USESSP }, /* stc r1_bank,rn */ - { 0x00a2, SETS1 | USESSP }, /* stc r2_bank,rn */ - { 0x00b2, SETS1 | USESSP }, /* stc r3_bank,rn */ - { 0x00c2, SETS1 | USESSP }, /* stc r4_bank,rn */ - { 0x00d2, SETS1 | USESSP }, /* stc r5_bank,rn */ - { 0x00e2, SETS1 | USESSP }, /* stc r6_bank,rn */ - { 0x00f2, SETS1 | USESSP } /* stc r7_bank,rn */ -}; - -static const struct sh_opcode sh_opcode02[] = -{ - { 0x0004, STORE | USES1 | USES2 | USESR0 }, /* mov.b rm,@(r0,rn) */ - { 0x0005, STORE | USES1 | USES2 | USESR0 }, /* mov.w rm,@(r0,rn) */ - { 0x0006, STORE | USES1 | USES2 | USESR0 }, /* mov.l rm,@(r0,rn) */ - { 0x0007, SETSSP | USES1 | USES2 }, /* mul.l rm,rn */ - { 0x000c, LOAD | SETS1 | USES2 | USESR0 }, /* mov.b @(r0,rm),rn */ - { 0x000d, LOAD | SETS1 | USES2 | USESR0 }, /* mov.w @(r0,rm),rn */ - { 0x000e, LOAD | SETS1 | USES2 | USESR0 }, /* mov.l @(r0,rm),rn */ - { 0x000f, LOAD|SETS1|SETS2|SETSSP|USES1|USES2|USESSP }, /* mac.l @rm+,@rn+ */ -}; - -static const struct sh_minor_opcode sh_opcode0[] = -{ - { MAP (sh_opcode00), 0xffff }, - { MAP (sh_opcode01), 0xf0ff }, - { MAP (sh_opcode02), 0xf00f } -}; - -static const struct sh_opcode sh_opcode10[] = -{ - { 0x1000, STORE | USES1 | USES2 } /* mov.l rm,@(disp,rn) */ -}; - -static const struct sh_minor_opcode sh_opcode1[] = -{ - { MAP (sh_opcode10), 0xf000 } -}; - -static const struct sh_opcode sh_opcode20[] = -{ - { 0x2000, STORE | USES1 | USES2 }, /* mov.b rm,@rn */ - { 0x2001, STORE | USES1 | USES2 }, /* mov.w rm,@rn */ - { 0x2002, STORE | USES1 | USES2 }, /* mov.l rm,@rn */ - { 0x2004, STORE | SETS1 | USES1 | USES2 }, /* mov.b rm,@-rn */ - { 0x2005, STORE | SETS1 | USES1 | USES2 }, /* mov.w rm,@-rn */ - { 0x2006, STORE | SETS1 | USES1 | USES2 }, /* mov.l rm,@-rn */ - { 0x2007, SETSSP | USES1 | USES2 | USESSP }, /* div0s */ - { 0x2008, SETSSP | USES1 | USES2 }, /* tst rm,rn */ - { 0x2009, SETS1 | USES1 | USES2 }, /* and rm,rn */ - { 0x200a, SETS1 | USES1 | USES2 }, /* xor rm,rn */ - { 0x200b, SETS1 | USES1 | USES2 }, /* or rm,rn */ - { 0x200c, SETSSP | USES1 | USES2 }, /* cmp/str rm,rn */ - { 0x200d, SETS1 | USES1 | USES2 }, /* xtrct rm,rn */ - { 0x200e, SETSSP | USES1 | USES2 }, /* mulu.w rm,rn */ - { 0x200f, SETSSP | USES1 | USES2 } /* muls.w rm,rn */ -}; - -static const struct sh_minor_opcode sh_opcode2[] = -{ - { MAP (sh_opcode20), 0xf00f } -}; - -static const struct sh_opcode sh_opcode30[] = -{ - { 0x3000, SETSSP | USES1 | USES2 }, /* cmp/eq rm,rn */ - { 0x3002, SETSSP | USES1 | USES2 }, /* cmp/hs rm,rn */ - { 0x3003, SETSSP | USES1 | USES2 }, /* cmp/ge rm,rn */ - { 0x3004, SETSSP | USESSP | USES1 | USES2 }, /* div1 rm,rn */ - { 0x3005, SETSSP | USES1 | USES2 }, /* dmulu.l rm,rn */ - { 0x3006, SETSSP | USES1 | USES2 }, /* cmp/hi rm,rn */ - { 0x3007, SETSSP | USES1 | USES2 }, /* cmp/gt rm,rn */ - { 0x3008, SETS1 | USES1 | USES2 }, /* sub rm,rn */ - { 0x300a, SETS1 | SETSSP | USES1 | USES2 | USESSP }, /* subc rm,rn */ - { 0x300b, SETS1 | SETSSP | USES1 | USES2 }, /* subv rm,rn */ - { 0x300c, SETS1 | USES1 | USES2 }, /* add rm,rn */ - { 0x300d, SETSSP | USES1 | USES2 }, /* dmuls.l rm,rn */ - { 0x300e, SETS1 | SETSSP | USES1 | USES2 | USESSP }, /* addc rm,rn */ - { 0x300f, SETS1 | SETSSP | USES1 | USES2 } /* addv rm,rn */ -}; - -static const struct sh_minor_opcode sh_opcode3[] = -{ - { MAP (sh_opcode30), 0xf00f } -}; - -static const struct sh_opcode sh_opcode40[] = -{ - { 0x4000, SETS1 | SETSSP | USES1 }, /* shll rn */ - { 0x4001, SETS1 | SETSSP | USES1 }, /* shlr rn */ - { 0x4002, STORE | SETS1 | USES1 | USESSP }, /* sts.l mach,@-rn */ - { 0x4003, STORE | SETS1 | USES1 | USESSP }, /* stc.l sr,@-rn */ - { 0x4004, SETS1 | SETSSP | USES1 }, /* rotl rn */ - { 0x4005, SETS1 | SETSSP | USES1 }, /* rotr rn */ - { 0x4006, LOAD | SETS1 | SETSSP | USES1 }, /* lds.l @rm+,mach */ - { 0x4007, LOAD | SETS1 | SETSSP | USES1 }, /* ldc.l @rm+,sr */ - { 0x4008, SETS1 | USES1 }, /* shll2 rn */ - { 0x4009, SETS1 | USES1 }, /* shlr2 rn */ - { 0x400a, SETSSP | USES1 }, /* lds rm,mach */ - { 0x400b, BRANCH | DELAY | USES1 }, /* jsr @rn */ - { 0x400e, SETSSP | USES1 }, /* ldc rm,sr */ - { 0x4010, SETS1 | SETSSP | USES1 }, /* dt rn */ - { 0x4011, SETSSP | USES1 }, /* cmp/pz rn */ - { 0x4012, STORE | SETS1 | USES1 | USESSP }, /* sts.l macl,@-rn */ - { 0x4013, STORE | SETS1 | USES1 | USESSP }, /* stc.l gbr,@-rn */ - { 0x4015, SETSSP | USES1 }, /* cmp/pl rn */ - { 0x4016, LOAD | SETS1 | SETSSP | USES1 }, /* lds.l @rm+,macl */ - { 0x4017, LOAD | SETS1 | SETSSP | USES1 }, /* ldc.l @rm+,gbr */ - { 0x4018, SETS1 | USES1 }, /* shll8 rn */ - { 0x4019, SETS1 | USES1 }, /* shlr8 rn */ - { 0x401a, SETSSP | USES1 }, /* lds rm,macl */ - { 0x401b, LOAD | SETSSP | USES1 }, /* tas.b @rn */ - { 0x401e, SETSSP | USES1 }, /* ldc rm,gbr */ - { 0x4020, SETS1 | SETSSP | USES1 }, /* shal rn */ - { 0x4021, SETS1 | SETSSP | USES1 }, /* shar rn */ - { 0x4022, STORE | SETS1 | USES1 | USESSP }, /* sts.l pr,@-rn */ - { 0x4023, STORE | SETS1 | USES1 | USESSP }, /* stc.l vbr,@-rn */ - { 0x4024, SETS1 | SETSSP | USES1 | USESSP }, /* rotcl rn */ - { 0x4025, SETS1 | SETSSP | USES1 | USESSP }, /* rotcr rn */ - { 0x4026, LOAD | SETS1 | SETSSP | USES1 }, /* lds.l @rm+,pr */ - { 0x4027, LOAD | SETS1 | SETSSP | USES1 }, /* ldc.l @rm+,vbr */ - { 0x4028, SETS1 | USES1 }, /* shll16 rn */ - { 0x4029, SETS1 | USES1 }, /* shlr16 rn */ - { 0x402a, SETSSP | USES1 }, /* lds rm,pr */ - { 0x402b, BRANCH | DELAY | USES1 }, /* jmp @rn */ - { 0x402e, SETSSP | USES1 }, /* ldc rm,vbr */ - { 0x4033, STORE | SETS1 | USES1 | USESSP }, /* stc.l ssr,@-rn */ - { 0x4037, LOAD | SETS1 | SETSSP | USES1 }, /* ldc.l @rm+,ssr */ - { 0x403e, SETSSP | USES1 }, /* ldc rm,ssr */ - { 0x4043, STORE | SETS1 | USES1 | USESSP }, /* stc.l spc,@-rn */ - { 0x4047, LOAD | SETS1 | SETSSP | USES1 }, /* ldc.l @rm+,spc */ - { 0x404e, SETSSP | USES1 }, /* ldc rm,spc */ - { 0x4052, STORE | SETS1 | USES1 | USESSP }, /* sts.l fpul,@-rn */ - { 0x4056, LOAD | SETS1 | SETSSP | USES1 }, /* lds.l @rm+,fpul */ - { 0x405a, SETSSP | USES1 }, /* lds.l rm,fpul */ - { 0x4062, STORE | SETS1 | USES1 | USESSP }, /* sts.l fpscr,@-rn */ - { 0x4066, LOAD | SETS1 | SETSSP | USES1 }, /* lds.l @rm+,fpscr */ - { 0x406a, SETSSP | USES1 } /* lds rm,fpscr */ -}; - -static const struct sh_opcode sh_opcode41[] = -{ - { 0x4083, STORE | SETS1 | USES1 | USESSP }, /* stc.l rx_bank,@-rn */ - { 0x4087, LOAD | SETS1 | SETSSP | USES1 }, /* ldc.l @rm+,rx_bank */ - { 0x408e, SETSSP | USES1 } /* ldc rm,rx_bank */ -}; - -static const struct sh_opcode sh_opcode42[] = -{ - { 0x400c, SETS1 | USES1 | USES2 }, /* shad rm,rn */ - { 0x400d, SETS1 | USES1 | USES2 }, /* shld rm,rn */ - { 0x400f, LOAD|SETS1|SETS2|SETSSP|USES1|USES2|USESSP }, /* mac.w @rm+,@rn+ */ -}; - -static const struct sh_minor_opcode sh_opcode4[] = -{ - { MAP (sh_opcode40), 0xf0ff }, - { MAP (sh_opcode41), 0xf08f }, - { MAP (sh_opcode42), 0xf00f } -}; - -static const struct sh_opcode sh_opcode50[] = -{ - { 0x5000, LOAD | SETS1 | USES2 } /* mov.l @(disp,rm),rn */ -}; - -static const struct sh_minor_opcode sh_opcode5[] = -{ - { MAP (sh_opcode50), 0xf000 } -}; - -static const struct sh_opcode sh_opcode60[] = -{ - { 0x6000, LOAD | SETS1 | USES2 }, /* mov.b @rm,rn */ - { 0x6001, LOAD | SETS1 | USES2 }, /* mov.w @rm,rn */ - { 0x6002, LOAD | SETS1 | USES2 }, /* mov.l @rm,rn */ - { 0x6003, SETS1 | USES2 }, /* mov rm,rn */ - { 0x6004, LOAD | SETS1 | SETS2 | USES2 }, /* mov.b @rm+,rn */ - { 0x6005, LOAD | SETS1 | SETS2 | USES2 }, /* mov.w @rm+,rn */ - { 0x6006, LOAD | SETS1 | SETS2 | USES2 }, /* mov.l @rm+,rn */ - { 0x6007, SETS1 | USES2 }, /* not rm,rn */ - { 0x6008, SETS1 | USES2 }, /* swap.b rm,rn */ - { 0x6009, SETS1 | USES2 }, /* swap.w rm,rn */ - { 0x600a, SETS1 | SETSSP | USES2 | USESSP }, /* negc rm,rn */ - { 0x600b, SETS1 | USES2 }, /* neg rm,rn */ - { 0x600c, SETS1 | USES2 }, /* extu.b rm,rn */ - { 0x600d, SETS1 | USES2 }, /* extu.w rm,rn */ - { 0x600e, SETS1 | USES2 }, /* exts.b rm,rn */ - { 0x600f, SETS1 | USES2 } /* exts.w rm,rn */ -}; - -static const struct sh_minor_opcode sh_opcode6[] = -{ - { MAP (sh_opcode60), 0xf00f } -}; - -static const struct sh_opcode sh_opcode70[] = -{ - { 0x7000, SETS1 | USES1 } /* add #imm,rn */ -}; - -static const struct sh_minor_opcode sh_opcode7[] = -{ - { MAP (sh_opcode70), 0xf000 } -}; - -static const struct sh_opcode sh_opcode80[] = -{ - { 0x8000, STORE | USES2 | USESR0 }, /* mov.b r0,@(disp,rn) */ - { 0x8100, STORE | USES2 | USESR0 }, /* mov.w r0,@(disp,rn) */ - { 0x8400, LOAD | SETSR0 | USES2 }, /* mov.b @(disp,rm),r0 */ - { 0x8500, LOAD | SETSR0 | USES2 }, /* mov.w @(disp,rn),r0 */ - { 0x8800, SETSSP | USESR0 }, /* cmp/eq #imm,r0 */ - { 0x8900, BRANCH | USESSP }, /* bt label */ - { 0x8b00, BRANCH | USESSP }, /* bf label */ - { 0x8d00, BRANCH | DELAY | USESSP }, /* bt/s label */ - { 0x8f00, BRANCH | DELAY | USESSP } /* bf/s label */ -}; - -static const struct sh_minor_opcode sh_opcode8[] = -{ - { MAP (sh_opcode80), 0xff00 } -}; - -static const struct sh_opcode sh_opcode90[] = -{ - { 0x9000, LOAD | SETS1 } /* mov.w @(disp,pc),rn */ -}; - -static const struct sh_minor_opcode sh_opcode9[] = -{ - { MAP (sh_opcode90), 0xf000 } -}; - -static const struct sh_opcode sh_opcodea0[] = -{ - { 0xa000, BRANCH | DELAY } /* bra label */ -}; - -static const struct sh_minor_opcode sh_opcodea[] = -{ - { MAP (sh_opcodea0), 0xf000 } -}; - -static const struct sh_opcode sh_opcodeb0[] = -{ - { 0xb000, BRANCH | DELAY } /* bsr label */ -}; - -static const struct sh_minor_opcode sh_opcodeb[] = -{ - { MAP (sh_opcodeb0), 0xf000 } -}; - -static const struct sh_opcode sh_opcodec0[] = -{ - { 0xc000, STORE | USESR0 | USESSP }, /* mov.b r0,@(disp,gbr) */ - { 0xc100, STORE | USESR0 | USESSP }, /* mov.w r0,@(disp,gbr) */ - { 0xc200, STORE | USESR0 | USESSP }, /* mov.l r0,@(disp,gbr) */ - { 0xc300, BRANCH | USESSP }, /* trapa #imm */ - { 0xc400, LOAD | SETSR0 | USESSP }, /* mov.b @(disp,gbr),r0 */ - { 0xc500, LOAD | SETSR0 | USESSP }, /* mov.w @(disp,gbr),r0 */ - { 0xc600, LOAD | SETSR0 | USESSP }, /* mov.l @(disp,gbr),r0 */ - { 0xc700, SETSR0 }, /* mova @(disp,pc),r0 */ - { 0xc800, SETSSP | USESR0 }, /* tst #imm,r0 */ - { 0xc900, SETSR0 | USESR0 }, /* and #imm,r0 */ - { 0xca00, SETSR0 | USESR0 }, /* xor #imm,r0 */ - { 0xcb00, SETSR0 | USESR0 }, /* or #imm,r0 */ - { 0xcc00, LOAD | SETSSP | USESR0 | USESSP }, /* tst.b #imm,@(r0,gbr) */ - { 0xcd00, LOAD | STORE | USESR0 | USESSP }, /* and.b #imm,@(r0,gbr) */ - { 0xce00, LOAD | STORE | USESR0 | USESSP }, /* xor.b #imm,@(r0,gbr) */ - { 0xcf00, LOAD | STORE | USESR0 | USESSP } /* or.b #imm,@(r0,gbr) */ -}; - -static const struct sh_minor_opcode sh_opcodec[] = -{ - { MAP (sh_opcodec0), 0xff00 } -}; - -static const struct sh_opcode sh_opcoded0[] = -{ - { 0xd000, LOAD | SETS1 } /* mov.l @(disp,pc),rn */ -}; - -static const struct sh_minor_opcode sh_opcoded[] = -{ - { MAP (sh_opcoded0), 0xf000 } -}; - -static const struct sh_opcode sh_opcodee0[] = -{ - { 0xe000, SETS1 } /* mov #imm,rn */ -}; - -static const struct sh_minor_opcode sh_opcodee[] = -{ - { MAP (sh_opcodee0), 0xf000 } -}; - -static const struct sh_opcode sh_opcodef0[] = -{ - { 0xf000, SETSF1 | USESF1 | USESF2 }, /* fadd fm,fn */ - { 0xf001, SETSF1 | USESF1 | USESF2 }, /* fsub fm,fn */ - { 0xf002, SETSF1 | USESF1 | USESF2 }, /* fmul fm,fn */ - { 0xf003, SETSF1 | USESF1 | USESF2 }, /* fdiv fm,fn */ - { 0xf004, SETSSP | USESF1 | USESF2 }, /* fcmp/eq fm,fn */ - { 0xf005, SETSSP | USESF1 | USESF2 }, /* fcmp/gt fm,fn */ - { 0xf006, LOAD | SETSF1 | USES2 | USESR0 }, /* fmov.s @(r0,rm),fn */ - { 0xf007, STORE | USES1 | USESF2 | USESR0 }, /* fmov.s fm,@(r0,rn) */ - { 0xf008, LOAD | SETSF1 | USES2 }, /* fmov.s @rm,fn */ - { 0xf009, LOAD | SETS2 | SETSF1 | USES2 }, /* fmov.s @rm+,fn */ - { 0xf00a, STORE | USES1 | USESF2 }, /* fmov.s fm,@rn */ - { 0xf00b, STORE | SETS1 | USES1 | USESF2 }, /* fmov.s fm,@-rn */ - { 0xf00c, SETSF1 | USESF2 }, /* fmov fm,fn */ - { 0xf00e, SETSF1 | USESF1 | USESF2 | USESF0 } /* fmac f0,fm,fn */ -}; - -static const struct sh_opcode sh_opcodef1[] = -{ - { 0xf00d, SETSF1 | USESSP }, /* fsts fpul,fn */ - { 0xf01d, SETSSP | USESF1 }, /* flds fn,fpul */ - { 0xf02d, SETSF1 | USESSP }, /* float fpul,fn */ - { 0xf03d, SETSSP | USESF1 }, /* ftrc fn,fpul */ - { 0xf04d, SETSF1 | USESF1 }, /* fneg fn */ - { 0xf05d, SETSF1 | USESF1 }, /* fabs fn */ - { 0xf06d, SETSF1 | USESF1 }, /* fsqrt fn */ - { 0xf07d, SETSSP | USESF1 }, /* ftst/nan fn */ - { 0xf08d, SETSF1 }, /* fldi0 fn */ - { 0xf09d, SETSF1 } /* fldi1 fn */ -}; - -static const struct sh_minor_opcode sh_opcodef[] = -{ - { MAP (sh_opcodef0), 0xf00f }, - { MAP (sh_opcodef1), 0xf0ff } -}; - -static const struct sh_major_opcode sh_opcodes[] = -{ - { MAP (sh_opcode0) }, - { MAP (sh_opcode1) }, - { MAP (sh_opcode2) }, - { MAP (sh_opcode3) }, - { MAP (sh_opcode4) }, - { MAP (sh_opcode5) }, - { MAP (sh_opcode6) }, - { MAP (sh_opcode7) }, - { MAP (sh_opcode8) }, - { MAP (sh_opcode9) }, - { MAP (sh_opcodea) }, - { MAP (sh_opcodeb) }, - { MAP (sh_opcodec) }, - { MAP (sh_opcoded) }, - { MAP (sh_opcodee) }, - { MAP (sh_opcodef) } -}; - -/* Given an instruction, return a pointer to the corresponding - sh_opcode structure. Return NULL if the instruction is not - recognized. */ - -static const struct sh_opcode * -sh_insn_info (insn) - unsigned int insn; -{ - const struct sh_major_opcode *maj; - const struct sh_minor_opcode *min, *minend; - - maj = &sh_opcodes[(insn & 0xf000) >> 12]; - min = maj->minor_opcodes; - minend = min + maj->count; - for (; min < minend; min++) - { - unsigned int l; - const struct sh_opcode *op, *opend; - - l = insn & min->mask; - op = min->opcodes; - opend = op + min->count; - - /* Since the opcodes tables are sorted, we could use a binary - search here if the count were above some cutoff value. */ - for (; op < opend; op++) - if (op->opcode == l) - return op; - } - - return NULL; -} - -/* See whether an instruction uses a general purpose register. */ - -static boolean -sh_insn_uses_reg (insn, op, reg) - unsigned int insn; - const struct sh_opcode *op; - unsigned int reg; -{ - unsigned int f; - - f = op->flags; - - if ((f & USES1) != 0 - && ((insn & 0x0f00) >> 8) == reg) - return true; - if ((f & USES2) != 0 - && ((insn & 0x00f0) >> 4) == reg) - return true; - if ((f & USESR0) != 0 - && reg == 0) - return true; - - return false; -} - -/* See whether an instruction uses a floating point register. */ - -static boolean -sh_insn_uses_freg (insn, op, freg) - unsigned int insn; - const struct sh_opcode *op; - unsigned int freg; -{ - unsigned int f; - - f = op->flags; - - if ((f & USESF1) != 0 - && ((insn & 0x0f00) >> 8) == freg) - return true; - if ((f & USESF2) != 0 - && ((insn & 0x00f0) >> 4) == freg) - return true; - if ((f & USESF0) != 0 - && freg == 0) - return true; - - return false; -} - -/* See whether instructions I1 and I2 conflict, assuming I1 comes - before I2. OP1 and OP2 are the corresponding sh_opcode structures. - This should return true if there is a conflict, or false if the - instructions can be swapped safely. */ - -static boolean -sh_insns_conflict (i1, op1, i2, op2) - unsigned int i1; - const struct sh_opcode *op1; - unsigned int i2; - const struct sh_opcode *op2; -{ - unsigned int f1, f2; - - f1 = op1->flags; - f2 = op2->flags; - - if ((f1 & (BRANCH | DELAY)) != 0 - || (f2 & (BRANCH | DELAY)) != 0) - return true; - - if ((f1 & SETSSP) != 0 && (f2 & USESSP) != 0) - return true; - if ((f2 & SETSSP) != 0 && (f1 & USESSP) != 0) - return true; - - if ((f1 & SETS1) != 0 - && sh_insn_uses_reg (i2, op2, (i1 & 0x0f00) >> 8)) - return true; - if ((f1 & SETS2) != 0 - && sh_insn_uses_reg (i2, op2, (i1 & 0x00f0) >> 4)) - return true; - if ((f1 & SETSR0) != 0 - && sh_insn_uses_reg (i2, op2, 0)) - return true; - if ((f1 & SETSF1) != 0 - && sh_insn_uses_freg (i2, op2, (i1 & 0x0f00) >> 8)) - return true; - - if ((f2 & SETS1) != 0 - && sh_insn_uses_reg (i1, op1, (i2 & 0x0f00) >> 8)) - return true; - if ((f2 & SETS2) != 0 - && sh_insn_uses_reg (i1, op1, (i2 & 0x00f0) >> 4)) - return true; - if ((f2 & SETSR0) != 0 - && sh_insn_uses_reg (i1, op1, 0)) - return true; - if ((f2 & SETSF1) != 0 - && sh_insn_uses_freg (i1, op1, (i2 & 0x0f00) >> 8)) - return true; - - /* The instructions do not conflict. */ - return false; -} - -/* I1 is a load instruction, and I2 is some other instruction. Return - true if I1 loads a register which I2 uses. */ - -static boolean -sh_load_use (i1, op1, i2, op2) - unsigned int i1; - const struct sh_opcode *op1; - unsigned int i2; - const struct sh_opcode *op2; -{ - unsigned int f1; - - f1 = op1->flags; - - if ((f1 & LOAD) == 0) - return false; - - /* If both SETS1 and SETSSP are set, that means a load to a special - register using postincrement addressing mode, which we don't care - about here. */ - if ((f1 & SETS1) != 0 - && (f1 & SETSSP) == 0 - && sh_insn_uses_reg (i2, op2, (i1 & 0x0f00) >> 8)) - return true; - - if ((f1 & SETSR0) != 0 - && sh_insn_uses_reg (i2, op2, 0)) - return true; - - if ((f1 & SETSF1) != 0 - && sh_insn_uses_freg (i2, op2, (i1 & 0x0f00) >> 8)) - return true; - - return false; -} - -/* Try to align loads and stores within a span of memory. This is - called by both the ELF and the COFF sh targets. ABFD and SEC are - the BFD and section we are examining. CONTENTS is the contents of - the section. SWAP is the routine to call to swap two instructions. - RELOCS is a pointer to the internal relocation information, to be - passed to SWAP. PLABEL is a pointer to the current label in a - sorted list of labels; LABEL_END is the end of the list. START and - STOP are the range of memory to examine. If a swap is made, - *PSWAPPED is set to true. */ - -boolean -_bfd_sh_align_load_span (abfd, sec, contents, swap, relocs, - plabel, label_end, start, stop, pswapped) - bfd *abfd; - asection *sec; - bfd_byte *contents; - boolean (*swap) PARAMS ((bfd *, asection *, PTR, bfd_byte *, bfd_vma)); - PTR relocs; - bfd_vma **plabel; - bfd_vma *label_end; - bfd_vma start; - bfd_vma stop; - boolean *pswapped; -{ - bfd_vma i; - - /* Instructions should be aligned on 2 byte boundaries. */ - if ((start & 1) == 1) - ++start; - - /* Now look through the unaligned addresses. */ - i = start; - if ((i & 2) == 0) - i += 2; - for (; i < stop; i += 4) - { - unsigned int insn; - const struct sh_opcode *op; - unsigned int prev_insn = 0; - const struct sh_opcode *prev_op = NULL; - - insn = bfd_get_16 (abfd, contents + i); - op = sh_insn_info (insn); - if (op == NULL - || (op->flags & (LOAD | STORE)) == 0) - continue; - - /* This is a load or store which is not on a four byte boundary. */ - - while (*plabel < label_end && **plabel < i) - ++*plabel; - - if (i > start) - { - prev_insn = bfd_get_16 (abfd, contents + i - 2); - prev_op = sh_insn_info (prev_insn); - - /* If the load/store instruction is in a delay slot, we - can't swap. */ - if (prev_op == NULL - || (prev_op->flags & DELAY) != 0) - continue; - } - if (i > start - && (*plabel >= label_end || **plabel != i) - && prev_op != NULL - && (prev_op->flags & (LOAD | STORE)) == 0 - && ! sh_insns_conflict (prev_insn, prev_op, insn, op)) - { - boolean ok; - - /* The load/store instruction does not have a label, and - there is a previous instruction; PREV_INSN is not - itself a load/store instruction, and PREV_INSN and - INSN do not conflict. */ - - ok = true; - - if (i >= start + 4) - { - unsigned int prev2_insn; - const struct sh_opcode *prev2_op; - - prev2_insn = bfd_get_16 (abfd, contents + i - 4); - prev2_op = sh_insn_info (prev2_insn); - - /* If the instruction before PREV_INSN has a delay - slot--that is, PREV_INSN is in a delay slot--we - can not swap. */ - if (prev2_op == NULL - || (prev2_op->flags & DELAY) != 0) - ok = false; - - /* If the instruction before PREV_INSN is a load, - and it sets a register which INSN uses, then - putting INSN immediately after PREV_INSN will - cause a pipeline bubble, so there is no point to - making the swap. */ - if (ok - && (prev2_op->flags & LOAD) != 0 - && sh_load_use (prev2_insn, prev2_op, insn, op)) - ok = false; - } - - if (ok) - { - if (! (*swap) (abfd, sec, relocs, contents, i - 2)) - return false; - *pswapped = true; - continue; - } - } - - while (*plabel < label_end && **plabel < i + 2) - ++*plabel; - - if (i + 2 < stop - && (*plabel >= label_end || **plabel != i + 2)) - { - unsigned int next_insn; - const struct sh_opcode *next_op; - - /* There is an instruction after the load/store - instruction, and it does not have a label. */ - next_insn = bfd_get_16 (abfd, contents + i + 2); - next_op = sh_insn_info (next_insn); - if (next_op != NULL - && (next_op->flags & (LOAD | STORE)) == 0 - && ! sh_insns_conflict (insn, op, next_insn, next_op)) - { - boolean ok; - - /* NEXT_INSN is not itself a load/store instruction, - and it does not conflict with INSN. */ - - ok = true; - - /* If PREV_INSN is a load, and it sets a register - which NEXT_INSN uses, then putting NEXT_INSN - immediately after PREV_INSN will cause a pipeline - bubble, so there is no reason to make this swap. */ - if (prev_op != NULL - && (prev_op->flags & LOAD) != 0 - && sh_load_use (prev_insn, prev_op, next_insn, next_op)) - ok = false; - - /* If INSN is a load, and it sets a register which - the insn after NEXT_INSN uses, then doing the - swap will cause a pipeline bubble, so there is no - reason to make the swap. However, if the insn - after NEXT_INSN is itself a load or store - instruction, then it is misaligned, so - optimistically hope that it will be swapped - itself, and just live with the pipeline bubble if - it isn't. */ - if (ok - && i + 4 < stop - && (op->flags & LOAD) != 0) - { - unsigned int next2_insn; - const struct sh_opcode *next2_op; - - next2_insn = bfd_get_16 (abfd, contents + i + 4); - next2_op = sh_insn_info (next2_insn); - if ((next2_op->flags & (LOAD | STORE)) == 0 - && sh_load_use (insn, op, next2_insn, next2_op)) - ok = false; - } - - if (ok) - { - if (! (*swap) (abfd, sec, relocs, contents, i)) - return false; - *pswapped = true; - continue; - } - } - } - } - - return true; -} - -/* Look for loads and stores which we can align to four byte - boundaries. See the longer comment above sh_relax_section for why - this is desirable. This sets *PSWAPPED if some instruction was - swapped. */ - -static boolean -sh_align_loads (abfd, sec, internal_relocs, contents, pswapped) - bfd *abfd; - asection *sec; - struct internal_reloc *internal_relocs; - bfd_byte *contents; - boolean *pswapped; -{ - struct internal_reloc *irel, *irelend; - bfd_vma *labels = NULL; - bfd_vma *label, *label_end; - - *pswapped = false; - - irelend = internal_relocs + sec->reloc_count; - - /* Get all the addresses with labels on them. */ - labels = (bfd_vma *) bfd_malloc (sec->reloc_count * sizeof (bfd_vma)); - if (labels == NULL) - goto error_return; - label_end = labels; - for (irel = internal_relocs; irel < irelend; irel++) - { - if (irel->r_type == R_SH_LABEL) - { - *label_end = irel->r_vaddr - sec->vma; - ++label_end; - } - } - - /* Note that the assembler currently always outputs relocs in - address order. If that ever changes, this code will need to sort - the label values and the relocs. */ - - label = labels; - - for (irel = internal_relocs; irel < irelend; irel++) - { - bfd_vma start, stop; - - if (irel->r_type != R_SH_CODE) - continue; - - start = irel->r_vaddr - sec->vma; - - for (irel++; irel < irelend; irel++) - if (irel->r_type == R_SH_DATA) - break; - if (irel < irelend) - stop = irel->r_vaddr - sec->vma; - else - stop = sec->_cooked_size; - - if (! _bfd_sh_align_load_span (abfd, sec, contents, sh_swap_insns, - (PTR) internal_relocs, &label, - label_end, start, stop, pswapped)) - goto error_return; - } - - free (labels); - - return true; - - error_return: - if (labels != NULL) - free (labels); - return false; -} - -/* Swap two SH instructions. */ - -static boolean -sh_swap_insns (abfd, sec, relocs, contents, addr) - bfd *abfd; - asection *sec; - PTR relocs; - bfd_byte *contents; - bfd_vma addr; -{ - struct internal_reloc *internal_relocs = (struct internal_reloc *) relocs; - unsigned short i1, i2; - struct internal_reloc *irel, *irelend; - - /* Swap the instructions themselves. */ - i1 = bfd_get_16 (abfd, contents + addr); - i2 = bfd_get_16 (abfd, contents + addr + 2); - bfd_put_16 (abfd, i2, contents + addr); - bfd_put_16 (abfd, i1, contents + addr + 2); - - /* Adjust all reloc addresses. */ - irelend = internal_relocs + sec->reloc_count; - for (irel = internal_relocs; irel < irelend; irel++) - { - int type, add; - - /* There are a few special types of relocs that we don't want to - adjust. These relocs do not apply to the instruction itself, - but are only associated with the address. */ - type = irel->r_type; - if (type == R_SH_ALIGN - || type == R_SH_CODE - || type == R_SH_DATA - || type == R_SH_LABEL) - continue; - - /* If an R_SH_USES reloc points to one of the addresses being - swapped, we must adjust it. It would be incorrect to do this - for a jump, though, since we want to execute both - instructions after the jump. (We have avoided swapping - around a label, so the jump will not wind up executing an - instruction it shouldn't). */ - if (type == R_SH_USES) - { - bfd_vma off; - - off = irel->r_vaddr - sec->vma + 4 + irel->r_offset; - if (off == addr) - irel->r_offset += 2; - else if (off == addr + 2) - irel->r_offset -= 2; - } - - if (irel->r_vaddr - sec->vma == addr) - { - irel->r_vaddr += 2; - add = -2; - } - else if (irel->r_vaddr - sec->vma == addr + 2) - { - irel->r_vaddr -= 2; - add = 2; - } - else - add = 0; - - if (add != 0) - { - bfd_byte *loc; - unsigned short insn, oinsn; - boolean overflow; - - loc = contents + irel->r_vaddr - sec->vma; - overflow = false; - switch (type) - { - default: - break; - - case R_SH_PCDISP8BY2: - case R_SH_PCRELIMM8BY2: - insn = bfd_get_16 (abfd, loc); - oinsn = insn; - insn += add / 2; - if ((oinsn & 0xff00) != (insn & 0xff00)) - overflow = true; - bfd_put_16 (abfd, insn, loc); - break; - - case R_SH_PCDISP: - insn = bfd_get_16 (abfd, loc); - oinsn = insn; - insn += add / 2; - if ((oinsn & 0xf000) != (insn & 0xf000)) - overflow = true; - bfd_put_16 (abfd, insn, loc); - break; - - case R_SH_PCRELIMM8BY4: - /* This reloc ignores the least significant 3 bits of - the program counter before adding in the offset. - This means that if ADDR is at an even address, the - swap will not affect the offset. If ADDR is an at an - odd address, then the instruction will be crossing a - four byte boundary, and must be adjusted. */ - if ((addr & 3) != 0) - { - insn = bfd_get_16 (abfd, loc); - oinsn = insn; - insn += add / 2; - if ((oinsn & 0xff00) != (insn & 0xff00)) - overflow = true; - bfd_put_16 (abfd, insn, loc); - } - - break; - } - - if (overflow) - { - ((*_bfd_error_handler) - ("%s: 0x%lx: fatal: reloc overflow while relaxing", - bfd_get_filename (abfd), (unsigned long) irel->r_vaddr)); - bfd_set_error (bfd_error_bad_value); - return false; - } - } - } - - return true; -} - -/* This is a modification of _bfd_coff_generic_relocate_section, which - will handle SH relaxing. */ - -static boolean -sh_relocate_section (output_bfd, info, input_bfd, input_section, contents, - relocs, syms, sections) - bfd *output_bfd; - struct bfd_link_info *info; - bfd *input_bfd; - asection *input_section; - bfd_byte *contents; - struct internal_reloc *relocs; - struct internal_syment *syms; - asection **sections; -{ - struct internal_reloc *rel; - struct internal_reloc *relend; - - rel = relocs; - relend = rel + input_section->reloc_count; - for (; rel < relend; rel++) - { - long symndx; - struct coff_link_hash_entry *h; - struct internal_syment *sym; - bfd_vma addend; - bfd_vma val; - reloc_howto_type *howto; - bfd_reloc_status_type rstat; - - /* Almost all relocs have to do with relaxing. If any work must - be done for them, it has been done in sh_relax_section. */ - if (rel->r_type != R_SH_IMM32 - && rel->r_type != R_SH_PCDISP) - continue; - - symndx = rel->r_symndx; - - if (symndx == -1) - { - h = NULL; - sym = NULL; - } - else - { - if (symndx < 0 - || (unsigned long) symndx >= obj_raw_syment_count (input_bfd)) - { - (*_bfd_error_handler) - ("%s: illegal symbol index %ld in relocs", - bfd_get_filename (input_bfd), symndx); - bfd_set_error (bfd_error_bad_value); - return false; - } - h = obj_coff_sym_hashes (input_bfd)[symndx]; - sym = syms + symndx; - } - - if (sym != NULL && sym->n_scnum != 0) - addend = - sym->n_value; - else - addend = 0; - - if (rel->r_type == R_SH_PCDISP) - addend -= 4; - - if (rel->r_type >= SH_COFF_HOWTO_COUNT) - howto = NULL; - else - howto = &sh_coff_howtos[rel->r_type]; - - if (howto == NULL) - { - bfd_set_error (bfd_error_bad_value); - return false; - } - - val = 0; - - if (h == NULL) - { - asection *sec; - - /* There is nothing to do for an internal PCDISP reloc. */ - if (rel->r_type == R_SH_PCDISP) - continue; - - if (symndx == -1) - { - sec = bfd_abs_section_ptr; - val = 0; - } - else - { - sec = sections[symndx]; - val = (sec->output_section->vma - + sec->output_offset - + sym->n_value - - sec->vma); - } - } - else - { - if (h->root.type == bfd_link_hash_defined - || h->root.type == bfd_link_hash_defweak) - { - asection *sec; - - sec = h->root.u.def.section; - val = (h->root.u.def.value - + sec->output_section->vma - + sec->output_offset); - } - else if (! info->relocateable) - { - if (! ((*info->callbacks->undefined_symbol) - (info, h->root.root.string, input_bfd, input_section, - rel->r_vaddr - input_section->vma))) - return false; - } - } - - rstat = _bfd_final_link_relocate (howto, input_bfd, input_section, - contents, - rel->r_vaddr - input_section->vma, - val, addend); - - switch (rstat) - { - default: - abort (); - case bfd_reloc_ok: - break; - case bfd_reloc_overflow: - { - const char *name; - char buf[SYMNMLEN + 1]; - - if (symndx == -1) - name = "*ABS*"; - else if (h != NULL) - name = h->root.root.string; - else if (sym->_n._n_n._n_zeroes == 0 - && sym->_n._n_n._n_offset != 0) - name = obj_coff_strings (input_bfd) + sym->_n._n_n._n_offset; - else - { - strncpy (buf, sym->_n._n_name, SYMNMLEN); - buf[SYMNMLEN] = '\0'; - name = buf; - } - - if (! ((*info->callbacks->reloc_overflow) - (info, name, howto->name, (bfd_vma) 0, input_bfd, - input_section, rel->r_vaddr - input_section->vma))) - return false; - } - } - } - - return true; -} - -/* This is a version of bfd_generic_get_relocated_section_contents - which uses sh_relocate_section. */ - -static bfd_byte * -sh_coff_get_relocated_section_contents (output_bfd, link_info, link_order, - data, relocateable, symbols) - bfd *output_bfd; - struct bfd_link_info *link_info; - struct bfd_link_order *link_order; - bfd_byte *data; - boolean relocateable; - asymbol **symbols; -{ - asection *input_section = link_order->u.indirect.section; - bfd *input_bfd = input_section->owner; - asection **sections = NULL; - struct internal_reloc *internal_relocs = NULL; - struct internal_syment *internal_syms = NULL; - - /* We only need to handle the case of relaxing, or of having a - particular set of section contents, specially. */ - if (relocateable - || coff_section_data (input_bfd, input_section) == NULL - || coff_section_data (input_bfd, input_section)->contents == NULL) - return bfd_generic_get_relocated_section_contents (output_bfd, link_info, - link_order, data, - relocateable, - symbols); - - memcpy (data, coff_section_data (input_bfd, input_section)->contents, - input_section->_raw_size); - - if ((input_section->flags & SEC_RELOC) != 0 - && input_section->reloc_count > 0) - { - bfd_size_type symesz = bfd_coff_symesz (input_bfd); - bfd_byte *esym, *esymend; - struct internal_syment *isymp; - asection **secpp; - - if (! _bfd_coff_get_external_symbols (input_bfd)) - goto error_return; - - internal_relocs = (_bfd_coff_read_internal_relocs - (input_bfd, input_section, false, (bfd_byte *) NULL, - false, (struct internal_reloc *) NULL)); - if (internal_relocs == NULL) - goto error_return; - - internal_syms = ((struct internal_syment *) - bfd_malloc (obj_raw_syment_count (input_bfd) - * sizeof (struct internal_syment))); - if (internal_syms == NULL) - goto error_return; - - sections = (asection **) bfd_malloc (obj_raw_syment_count (input_bfd) - * sizeof (asection *)); - if (sections == NULL) - goto error_return; - - isymp = internal_syms; - secpp = sections; - esym = (bfd_byte *) obj_coff_external_syms (input_bfd); - esymend = esym + obj_raw_syment_count (input_bfd) * symesz; - while (esym < esymend) - { - bfd_coff_swap_sym_in (input_bfd, (PTR) esym, (PTR) isymp); - - if (isymp->n_scnum != 0) - *secpp = coff_section_from_bfd_index (input_bfd, isymp->n_scnum); - else - { - if (isymp->n_value == 0) - *secpp = bfd_und_section_ptr; - else - *secpp = bfd_com_section_ptr; - } - - esym += (isymp->n_numaux + 1) * symesz; - secpp += isymp->n_numaux + 1; - isymp += isymp->n_numaux + 1; - } - - if (! sh_relocate_section (output_bfd, link_info, input_bfd, - input_section, data, internal_relocs, - internal_syms, sections)) - goto error_return; - - free (sections); - sections = NULL; - free (internal_syms); - internal_syms = NULL; - free (internal_relocs); - internal_relocs = NULL; - } - - return data; - - error_return: - if (internal_relocs != NULL) - free (internal_relocs); - if (internal_syms != NULL) - free (internal_syms); - if (sections != NULL) - free (sections); - return NULL; -} - -/* The target vectors. */ - -const bfd_target shcoff_vec = -{ - "coff-sh", /* name */ - bfd_target_coff_flavour, - BFD_ENDIAN_BIG, /* data byte order is big */ - BFD_ENDIAN_BIG, /* header byte order is big */ - - (HAS_RELOC | EXEC_P | /* object flags */ - HAS_LINENO | HAS_DEBUG | - HAS_SYMS | HAS_LOCALS | WP_TEXT | BFD_IS_RELAXABLE), - - (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC), - '_', /* leading symbol underscore */ - '/', /* ar_pad_char */ - 15, /* ar_max_namelen */ - bfd_getb64, bfd_getb_signed_64, bfd_putb64, - bfd_getb32, bfd_getb_signed_32, bfd_putb32, - bfd_getb16, bfd_getb_signed_16, bfd_putb16, /* data */ - bfd_getb64, bfd_getb_signed_64, bfd_putb64, - bfd_getb32, bfd_getb_signed_32, bfd_putb32, - bfd_getb16, bfd_getb_signed_16, bfd_putb16, /* hdrs */ - - {_bfd_dummy_target, coff_object_p, /* bfd_check_format */ - bfd_generic_archive_p, _bfd_dummy_target}, - {bfd_false, coff_mkobject, _bfd_generic_mkarchive, /* bfd_set_format */ - bfd_false}, - {bfd_false, coff_write_object_contents, /* bfd_write_contents */ - _bfd_write_archive_contents, bfd_false}, - - BFD_JUMP_TABLE_GENERIC (coff), - BFD_JUMP_TABLE_COPY (coff), - BFD_JUMP_TABLE_CORE (_bfd_nocore), - BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff), - BFD_JUMP_TABLE_SYMBOLS (coff), - BFD_JUMP_TABLE_RELOCS (coff), - BFD_JUMP_TABLE_WRITE (coff), - BFD_JUMP_TABLE_LINK (coff), - BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic), - - COFF_SWAP_TABLE, -}; - -const bfd_target shlcoff_vec = -{ - "coff-shl", /* name */ - bfd_target_coff_flavour, - BFD_ENDIAN_LITTLE, /* data byte order is little */ - BFD_ENDIAN_LITTLE, /* header byte order is little endian too*/ - - (HAS_RELOC | EXEC_P | /* object flags */ - HAS_LINENO | HAS_DEBUG | - HAS_SYMS | HAS_LOCALS | WP_TEXT | BFD_IS_RELAXABLE), - - (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC), - '_', /* leading symbol underscore */ - '/', /* ar_pad_char */ - 15, /* ar_max_namelen */ - bfd_getl64, bfd_getl_signed_64, bfd_putl64, - bfd_getl32, bfd_getl_signed_32, bfd_putl32, - bfd_getl16, bfd_getl_signed_16, bfd_putl16, /* data */ - bfd_getl64, bfd_getl_signed_64, bfd_putl64, - bfd_getl32, bfd_getl_signed_32, bfd_putl32, - bfd_getl16, bfd_getl_signed_16, bfd_putl16, /* hdrs */ - - {_bfd_dummy_target, coff_object_p, /* bfd_check_format */ - bfd_generic_archive_p, _bfd_dummy_target}, - {bfd_false, coff_mkobject, _bfd_generic_mkarchive, /* bfd_set_format */ - bfd_false}, - {bfd_false, coff_write_object_contents, /* bfd_write_contents */ - _bfd_write_archive_contents, bfd_false}, - - BFD_JUMP_TABLE_GENERIC (coff), - BFD_JUMP_TABLE_COPY (coff), - BFD_JUMP_TABLE_CORE (_bfd_nocore), - BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff), - BFD_JUMP_TABLE_SYMBOLS (coff), - BFD_JUMP_TABLE_RELOCS (coff), - BFD_JUMP_TABLE_WRITE (coff), - BFD_JUMP_TABLE_LINK (coff), - BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic), - - COFF_SWAP_TABLE, -}; - -/* Some people want versions of the SH COFF target which do not align - to 16 byte boundaries. We implement that by adding a couple of new - target vectors. These are just like the ones above, but they - change the default section alignment. To generate them in the - assembler, use -small. To use them in the linker, use -b - coff-sh{l}-small and -oformat coff-sh{l}-small. - - Yes, this is a horrible hack. A general solution for setting - section alignment in COFF is rather complex. ELF handles this - correctly. */ - -/* Only recognize the small versions if the target was not defaulted. - Otherwise we won't recognize the non default endianness. */ - -static const bfd_target * -coff_small_object_p (abfd) - bfd *abfd; -{ - if (abfd->target_defaulted) - { - bfd_set_error (bfd_error_wrong_format); - return NULL; - } - return coff_object_p (abfd); -} - -/* Set the section alignment for the small versions. */ - -static boolean -coff_small_new_section_hook (abfd, section) - bfd *abfd; - asection *section; -{ - if (! coff_new_section_hook (abfd, section)) - return false; - - /* We must align to at least a four byte boundary, because longword - accesses must be on a four byte boundary. */ - if (section->alignment_power == COFF_DEFAULT_SECTION_ALIGNMENT_POWER) - section->alignment_power = 2; - - return true; -} - -/* This is copied from bfd_coff_std_swap_table so that we can change - the default section alignment power. */ - -static const bfd_coff_backend_data bfd_coff_small_swap_table = -{ - coff_swap_aux_in, coff_swap_sym_in, coff_swap_lineno_in, - coff_swap_aux_out, coff_swap_sym_out, - coff_swap_lineno_out, coff_swap_reloc_out, - coff_swap_filehdr_out, coff_swap_aouthdr_out, - coff_swap_scnhdr_out, - FILHSZ, AOUTSZ, SCNHSZ, SYMESZ, AUXESZ, RELSZ, LINESZ, -#ifdef COFF_LONG_FILENAMES - true, -#else - false, -#endif -#ifdef COFF_LONG_SECTION_NAMES - true, -#else - false, -#endif - 2, - coff_swap_filehdr_in, coff_swap_aouthdr_in, coff_swap_scnhdr_in, - coff_swap_reloc_in, coff_bad_format_hook, coff_set_arch_mach_hook, - coff_mkobject_hook, styp_to_sec_flags, coff_set_alignment_hook, - coff_slurp_symbol_table, symname_in_debug_hook, coff_pointerize_aux_hook, - coff_print_aux, coff_reloc16_extra_cases, coff_reloc16_estimate, - coff_sym_is_global, coff_compute_section_file_positions, - coff_start_final_link, coff_relocate_section, coff_rtype_to_howto, - coff_adjust_symndx, coff_link_add_one_symbol, - coff_link_output_has_begun, coff_final_link_postscript -}; - -#define coff_small_close_and_cleanup \ - coff_close_and_cleanup -#define coff_small_bfd_free_cached_info \ - coff_bfd_free_cached_info -#define coff_small_get_section_contents \ - coff_get_section_contents -#define coff_small_get_section_contents_in_window \ - coff_get_section_contents_in_window - -const bfd_target shcoff_small_vec = -{ - "coff-sh-small", /* name */ - bfd_target_coff_flavour, - BFD_ENDIAN_BIG, /* data byte order is big */ - BFD_ENDIAN_BIG, /* header byte order is big */ - - (HAS_RELOC | EXEC_P | /* object flags */ - HAS_LINENO | HAS_DEBUG | - HAS_SYMS | HAS_LOCALS | WP_TEXT | BFD_IS_RELAXABLE), - - (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC), - '_', /* leading symbol underscore */ - '/', /* ar_pad_char */ - 15, /* ar_max_namelen */ - bfd_getb64, bfd_getb_signed_64, bfd_putb64, - bfd_getb32, bfd_getb_signed_32, bfd_putb32, - bfd_getb16, bfd_getb_signed_16, bfd_putb16, /* data */ - bfd_getb64, bfd_getb_signed_64, bfd_putb64, - bfd_getb32, bfd_getb_signed_32, bfd_putb32, - bfd_getb16, bfd_getb_signed_16, bfd_putb16, /* hdrs */ - - {_bfd_dummy_target, coff_small_object_p, /* bfd_check_format */ - bfd_generic_archive_p, _bfd_dummy_target}, - {bfd_false, coff_mkobject, _bfd_generic_mkarchive, /* bfd_set_format */ - bfd_false}, - {bfd_false, coff_write_object_contents, /* bfd_write_contents */ - _bfd_write_archive_contents, bfd_false}, - - BFD_JUMP_TABLE_GENERIC (coff_small), - BFD_JUMP_TABLE_COPY (coff), - BFD_JUMP_TABLE_CORE (_bfd_nocore), - BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff), - BFD_JUMP_TABLE_SYMBOLS (coff), - BFD_JUMP_TABLE_RELOCS (coff), - BFD_JUMP_TABLE_WRITE (coff), - BFD_JUMP_TABLE_LINK (coff), - BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic), - - (PTR) &bfd_coff_small_swap_table -}; - -const bfd_target shlcoff_small_vec = -{ - "coff-shl-small", /* name */ - bfd_target_coff_flavour, - BFD_ENDIAN_LITTLE, /* data byte order is little */ - BFD_ENDIAN_LITTLE, /* header byte order is little endian too*/ - - (HAS_RELOC | EXEC_P | /* object flags */ - HAS_LINENO | HAS_DEBUG | - HAS_SYMS | HAS_LOCALS | WP_TEXT | BFD_IS_RELAXABLE), - - (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC), - '_', /* leading symbol underscore */ - '/', /* ar_pad_char */ - 15, /* ar_max_namelen */ - bfd_getl64, bfd_getl_signed_64, bfd_putl64, - bfd_getl32, bfd_getl_signed_32, bfd_putl32, - bfd_getl16, bfd_getl_signed_16, bfd_putl16, /* data */ - bfd_getl64, bfd_getl_signed_64, bfd_putl64, - bfd_getl32, bfd_getl_signed_32, bfd_putl32, - bfd_getl16, bfd_getl_signed_16, bfd_putl16, /* hdrs */ - - {_bfd_dummy_target, coff_small_object_p, /* bfd_check_format */ - bfd_generic_archive_p, _bfd_dummy_target}, - {bfd_false, coff_mkobject, _bfd_generic_mkarchive, /* bfd_set_format */ - bfd_false}, - {bfd_false, coff_write_object_contents, /* bfd_write_contents */ - _bfd_write_archive_contents, bfd_false}, - - BFD_JUMP_TABLE_GENERIC (coff_small), - BFD_JUMP_TABLE_COPY (coff), - BFD_JUMP_TABLE_CORE (_bfd_nocore), - BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff), - BFD_JUMP_TABLE_SYMBOLS (coff), - BFD_JUMP_TABLE_RELOCS (coff), - BFD_JUMP_TABLE_WRITE (coff), - BFD_JUMP_TABLE_LINK (coff), - BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic), - - (PTR) &bfd_coff_small_swap_table -}; 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