X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=bfd%2Fcoff-z8k.c;h=2533e25f67e626b1e75b3e659588af8179d7d48d;hb=036003a671233c43e35b3004f91e4cbd61255cf3;hp=864b51e177de8326ce446838416e75c41f0bbc4a;hpb=5f9ca9603825b26fca8625e98e34e75aa599f26f;p=deliverable%2Fbinutils-gdb.git diff --git a/bfd/coff-z8k.c b/bfd/coff-z8k.c index 864b51e177..2533e25f67 100644 --- a/bfd/coff-z8k.c +++ b/bfd/coff-z8k.c @@ -1,236 +1,375 @@ -/* Zilog Z800n COFF back-end for BFD. - Copyright (C) 1992 Free Software Foundation, Inc. - Written by Steve Chamberlain - sac@cygnus.com +/* BFD back-end for Zilog Z800n COFF binaries. + Copyright (C) 1992-2019 Free Software Foundation, Inc. + Contributed by Cygnus Support. + Written by Steve Chamberlain, . -This file is part of BFD, the Binary File Descriptor library. + 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 free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 3 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. + 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., 675 Mass Ave, Cambridge, MA 02139, USA. */ + 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., 51 Franklin Street - Fifth Floor, Boston, + MA 02110-1301, USA. */ - -#include "bfd.h" #include "sysdep.h" +#include "bfd.h" #include "libbfd.h" -#include "obstack.h" +#include "bfdlink.h" #include "coff/z8k.h" #include "coff/internal.h" #include "libcoff.h" -#include "seclet.h" - -extern bfd_error_vector_type bfd_error_vector; - -/* Dummy for now */ -static bfd_reloc_status_type -DEFUN(func_da, (abfd, reloc_entry, symbol, data, input_section, output_bfd), - bfd *abfd AND - arelent *reloc_entry AND - struct symbol_cache_entry *symbol AND - PTR data AND - asection *input_section AND - bfd *output_bfd) -{ -} - -/* Dummy for now */ -static bfd_reloc_status_type -DEFUN(func_jr, (abfd, reloc_entry, symbol, data, input_section, output_bfd), - bfd *abfd AND - arelent *reloc_entry AND - struct symbol_cache_entry *symbol AND - PTR data AND - asection *input_section AND - bfd *output_bfd) -{ -} -static reloc_howto_type r_da = - HOWTO(R_DA , 0, 1, 16, false, 0, true, -true,func_da,"r_da", true, 0x0000ffff,0x0000ffff, false); +#define COFF_DEFAULT_SECTION_ALIGNMENT_POWER (1) -static reloc_howto_type r_jr = - HOWTO(R_JR, 0,1,8,true,0,true,true,func_jr,"r_jr", true,0,0,true); +static reloc_howto_type r_imm32 = +HOWTO (R_IMM32, 0, 2, 32, FALSE, 0, + complain_overflow_bitfield, 0, "r_imm32", TRUE, 0xffffffff, + 0xffffffff, FALSE); +static reloc_howto_type r_imm4l = +HOWTO (R_IMM4L, 0, 0, 4, FALSE, 0, + complain_overflow_bitfield, 0, "r_imm4l", TRUE, 0xf, 0xf, FALSE); +static reloc_howto_type r_da = +HOWTO (R_IMM16, 0, 1, 16, FALSE, 0, + complain_overflow_bitfield, 0, "r_da", TRUE, 0x0000ffff, 0x0000ffff, + FALSE); +static reloc_howto_type r_imm8 = +HOWTO (R_IMM8, 0, 0, 8, FALSE, 0, + complain_overflow_bitfield, 0, "r_imm8", TRUE, 0x000000ff, 0x000000ff, + FALSE); +static reloc_howto_type r_rel16 = +HOWTO (R_REL16, 0, 1, 16, FALSE, 0, + complain_overflow_bitfield, 0, "r_rel16", TRUE, 0x0000ffff, 0x0000ffff, + TRUE); -/* Turn a howto into a reloc number */ +static reloc_howto_type r_jr = +HOWTO (R_JR, 1, 0, 8, TRUE, 0, complain_overflow_signed, 0, + "r_jr", TRUE, 0xff, 0xff, TRUE); -static int coff_z8k_select_reloc(howto) -reloc_howto_type *howto; -{ -return howto->type; -} -#define SELECT_RELOC(x,howto) x= coff_z8k_select_reloc(howto) +static reloc_howto_type r_disp7 = +HOWTO (R_DISP7, 0, 0, 7, TRUE, 0, complain_overflow_bitfield, 0, + "r_disp7", TRUE, 0x7f, 0x7f, TRUE); +static reloc_howto_type r_callr = +HOWTO (R_CALLR, 1, 1, 12, TRUE, 0, complain_overflow_signed, 0, + "r_callr", TRUE, 0xfff, 0xfff, TRUE); #define BADMAG(x) Z8KBADMAG(x) -#define Z8K 1 /* Customize coffcode.h */ +#define Z8K 1 /* Customize coffcode.h. */ #define __A_MAGIC_SET__ - - -/* Code to swap in the reloc */ -#define SWAP_IN_RELOC_OFFSET bfd_h_get_32 -#define SWAP_OUT_RELOC_OFFSET bfd_h_put_32 +/* Code to swap in the reloc. */ +#define SWAP_IN_RELOC_OFFSET H_GET_32 +#define SWAP_OUT_RELOC_OFFSET H_PUT_32 #define SWAP_OUT_RELOC_EXTRA(abfd, src, dst) \ dst->r_stuff[0] = 'S'; \ - dst->r_stuff[1] = 'C'; + dst->r_stuff[1] = 'C'; -/* Code to turn a r_type into a howto ptr, uses the above howto table - */ +/* Code to turn a r_type into a howto ptr, uses the above howto table. */ -static void -DEFUN(rtype2howto,(internal, dst), -arelent *internal AND -struct internal_reloc *dst) +static void +rtype2howto (arelent *internal, struct internal_reloc *dst) { - switch (dst->r_type) { - default: - printf("BAD %x\n", dst->r_type); - case R_DA: - internal->howto = &r_da; - break; - case R_JR: - internal->howto = &r_jr; + switch (dst->r_type) + { + default: + internal->howto = NULL; + break; + case R_IMM8: + internal->howto = &r_imm8; + break; + case R_IMM16: + internal->howto = &r_da; + break; + case R_JR: + internal->howto = &r_jr; + break; + case R_DISP7: + internal->howto = &r_disp7; + break; + case R_CALLR: + internal->howto = &r_callr; + break; + case R_REL16: + internal->howto = &r_rel16; + break; + case R_IMM32: + internal->howto = &r_imm32; + break; + case R_IMM4L: + internal->howto = &r_imm4l; + break; } } -#define RTYPE2HOWTO(internal, relocentry) rtype2howto(internal,relocentry) +#define RTYPE2HOWTO(internal, relocentry) rtype2howto (internal, relocentry) +static reloc_howto_type * +coff_z8k_reloc_type_lookup (bfd *abfd ATTRIBUTE_UNUSED, + bfd_reloc_code_real_type code) +{ + switch (code) + { + case BFD_RELOC_8: return & r_imm8; + case BFD_RELOC_16: return & r_da; + case BFD_RELOC_32: return & r_imm32; + case BFD_RELOC_8_PCREL: return & r_jr; + case BFD_RELOC_16_PCREL: return & r_rel16; + case BFD_RELOC_Z8K_DISP7: return & r_disp7; + case BFD_RELOC_Z8K_CALLR: return & r_callr; + case BFD_RELOC_Z8K_IMM4L: return & r_imm4l; + default: BFD_FAIL (); + return 0; + } +} -/* Perform any necessaru magic to the addend in a reloc entry */ +static reloc_howto_type * +coff_z8k_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED, + const char *r_name) +{ + if (strcasecmp (r_imm8.name, r_name) == 0) + return &r_imm8; + if (strcasecmp (r_da.name, r_name) == 0) + return &r_da; + if (strcasecmp (r_imm32.name, r_name) == 0) + return &r_imm32; + if (strcasecmp (r_jr.name, r_name) == 0) + return &r_jr; + if (strcasecmp (r_rel16.name, r_name) == 0) + return &r_rel16; + if (strcasecmp (r_disp7.name, r_name) == 0) + return &r_disp7; + if (strcasecmp (r_callr.name, r_name) == 0) + return &r_callr; + if (strcasecmp (r_imm4l.name, r_name) == 0) + return &r_imm4l; + + return NULL; +} +/* Perform any necessary magic to the addend in a reloc entry. */ #define CALC_ADDEND(abfd, symbol, ext_reloc, cache_ptr) \ cache_ptr->addend = ext_reloc.r_offset; - #define RELOC_PROCESSING(relent,reloc,symbols,abfd,section) \ reloc_processing(relent, reloc, symbols, abfd, section) -static void DEFUN(reloc_processing,(relent,reloc, symbols, abfd, section) , - arelent *relent AND - struct internal_reloc *reloc AND - asymbol **symbols AND - bfd *abfd AND - asection *section) +static void +reloc_processing (arelent *relent, + struct internal_reloc *reloc, + asymbol **symbols, + bfd *abfd, + asection *section) { - relent->address = reloc->r_vaddr; - rtype2howto(relent,reloc); - - if (reloc->r_symndx > 0) - { - - relent->sym_ptr_ptr = symbols + obj_convert(abfd)[reloc->r_symndx]; - - } - else - { - relent->sym_ptr_ptr = &(bfd_abs_symbol); - } - - - + relent->address = reloc->r_vaddr; + rtype2howto (relent, reloc); + + if (reloc->r_symndx > 0) + relent->sym_ptr_ptr = symbols + obj_convert (abfd)[reloc->r_symndx]; + else + relent->sym_ptr_ptr = bfd_abs_section_ptr->symbol_ptr_ptr; + relent->addend = reloc->r_offset; - - relent->address-= section->vma; -/* relent->section = 0;*/ + relent->address -= section->vma; } -static bfd_vma get_value(); - static void -extra_case(in_abfd, seclet, reloc, data, src_ptr, dst_ptr) - bfd *in_abfd; - bfd_seclet_type *seclet; - arelent *reloc; - bfd_byte *data; - unsigned int *src_ptr; - unsigned int *dst_ptr; +extra_case (bfd *in_abfd, + struct bfd_link_info *link_info, + struct bfd_link_order *link_order, + arelent *reloc, + bfd_byte *data, + unsigned int *src_ptr, + unsigned int *dst_ptr) { - switch (reloc->howto->type) - { - case R_DA: - bfd_put_16(in_abfd, get_value(reloc, seclet), data+*dst_ptr); - (*dst_ptr)+=2; - ( *src_ptr)+=2; - break; - case R_JR: - { - bfd_vma dst = get_value(reloc,seclet); - bfd_vma dot = seclet->offset - + *dst_ptr - + seclet->u.indirect.section->output_section->vma; - int gap = dst - dot - 1 ; /* -1 since were in the odd byte of the - word */ - if (gap & 1) - abort(); - gap/=2; - if (gap > 128 || gap< -128) - { - bfd_error_vector.reloc_value_truncated(reloc, seclet); - } - bfd_put_8(in_abfd, gap, data+*dst_ptr); - (*dst_ptr)++; - (*src_ptr)++; - break; - } - default: - abort(); - } + asection * input_section = link_order->u.indirect.section; + + switch (reloc->howto->type) + { + case R_IMM8: + bfd_put_8 (in_abfd, + bfd_coff_reloc16_get_value (reloc, link_info, input_section), + data + *dst_ptr); + (*dst_ptr) += 1; + (*src_ptr) += 1; + break; + + case R_IMM32: + /* If no flags are set, assume immediate value. */ + if (! (*reloc->sym_ptr_ptr)->section->flags) + { + bfd_put_32 (in_abfd, + bfd_coff_reloc16_get_value (reloc, link_info, + input_section), + data + *dst_ptr); + } + else + { + bfd_vma dst = bfd_coff_reloc16_get_value (reloc, link_info, + input_section); + /* Addresses are 23 bit, and the layout of those in a 32-bit + value is as follows: + 1AAAAAAA xxxxxxxx AAAAAAAA AAAAAAAA + (A - address bits, x - ignore). */ + dst = (dst & 0xffff) | ((dst & 0xff0000) << 8) | 0x80000000; + bfd_put_32 (in_abfd, dst, data + *dst_ptr); + } + (*dst_ptr) += 4; + (*src_ptr) += 4; + break; + + case R_IMM4L: + bfd_put_8 (in_abfd, + ((bfd_get_8 (in_abfd, data + *dst_ptr) & 0xf0) + | (0x0f + & bfd_coff_reloc16_get_value (reloc, link_info, + input_section))), + data + *dst_ptr); + (*dst_ptr) += 1; + (*src_ptr) += 1; + break; + + case R_IMM16: + bfd_put_16 (in_abfd, + bfd_coff_reloc16_get_value (reloc, link_info, input_section), + data + *dst_ptr); + (*dst_ptr) += 2; + (*src_ptr) += 2; + break; + + case R_JR: + { + bfd_vma dst = bfd_coff_reloc16_get_value (reloc, link_info, + input_section); + bfd_vma dot = (*dst_ptr + + input_section->output_offset + + input_section->output_section->vma); + int gap = dst - dot - 1; /* -1, since we're in the odd byte of the + word and the pc's been incremented. */ + + if (gap & 1) + abort (); + gap /= 2; + if (gap > 127 || gap < -128) + (*link_info->callbacks->reloc_overflow) + (link_info, NULL, bfd_asymbol_name (*reloc->sym_ptr_ptr), + reloc->howto->name, reloc->addend, input_section->owner, + input_section, reloc->address); + + bfd_put_8 (in_abfd, gap, data + *dst_ptr); + (*dst_ptr)++; + (*src_ptr)++; + break; + } + + case R_DISP7: + { + bfd_vma dst = bfd_coff_reloc16_get_value (reloc, link_info, + input_section); + bfd_vma dot = (*dst_ptr + + input_section->output_offset + + input_section->output_section->vma); + int gap = dst - dot - 1; /* -1, since we're in the odd byte of the + word and the pc's been incremented. */ + + if (gap & 1) + abort (); + gap /= 2; + + if (gap > 0 || gap < -127) + (*link_info->callbacks->reloc_overflow) + (link_info, NULL, bfd_asymbol_name (*reloc->sym_ptr_ptr), + reloc->howto->name, reloc->addend, input_section->owner, + input_section, reloc->address); + + bfd_put_8 (in_abfd, + (bfd_get_8 ( in_abfd, data + *dst_ptr) & 0x80) + (-gap & 0x7f), + data + *dst_ptr); + (*dst_ptr)++; + (*src_ptr)++; + break; + } + + case R_CALLR: + { + bfd_vma dst = bfd_coff_reloc16_get_value (reloc, link_info, + input_section); + bfd_vma dot = (*dst_ptr + + input_section->output_offset + + input_section->output_section->vma); + int gap = dst - dot - 2; + + if (gap & 1) + abort (); + if (gap > 4096 || gap < -4095) + (*link_info->callbacks->reloc_overflow) + (link_info, NULL, bfd_asymbol_name (*reloc->sym_ptr_ptr), + reloc->howto->name, reloc->addend, input_section->owner, + input_section, reloc->address); + + gap /= 2; + bfd_put_16 (in_abfd, + (bfd_get_16 ( in_abfd, data + *dst_ptr) & 0xf000) | (-gap & 0x0fff), + data + *dst_ptr); + (*dst_ptr) += 2; + (*src_ptr) += 2; + break; + } + + case R_REL16: + { + bfd_vma dst = bfd_coff_reloc16_get_value (reloc, link_info, + input_section); + bfd_vma dot = (*dst_ptr + + input_section->output_offset + + input_section->output_section->vma); + int gap = dst - dot - 2; + + if (gap > 32767 || gap < -32768) + (*link_info->callbacks->reloc_overflow) + (link_info, NULL, bfd_asymbol_name (*reloc->sym_ptr_ptr), + reloc->howto->name, reloc->addend, input_section->owner, + input_section, reloc->address); + + bfd_put_16 (in_abfd, (bfd_vma) gap, data + *dst_ptr); + (*dst_ptr) += 2; + (*src_ptr) += 2; + break; + } + + default: + abort (); + } } -#define EXTRA_CASES default: extra_case(in_abfd,seclet,reloc, data, &src_address, &dst_address); - +#define coff_reloc16_extra_cases extra_case +#define coff_bfd_reloc_type_lookup coff_z8k_reloc_type_lookup +#define coff_bfd_reloc_name_lookup coff_z8k_reloc_name_lookup +#ifndef bfd_pe_print_pdata +#define bfd_pe_print_pdata NULL +#endif #include "coffcode.h" +#undef coff_bfd_get_relocated_section_contents +#define coff_bfd_get_relocated_section_contents \ + bfd_coff_reloc16_get_relocated_section_contents -#undef coff_bfd_get_relocated_section_contents -#undef coff_bfd_relax_section -#define coff_bfd_get_relocated_section_contents bfd_coff_get_relocated_section_contents -#define coff_bfd_relax_section bfd_coff_relax_section +#undef coff_bfd_relax_section +#define coff_bfd_relax_section bfd_coff_reloc16_relax_section -bfd_target z8kcoff_vec = -{ - "coff-z8k", /* name */ - bfd_target_coff_flavour, - true, /* data byte order is big */ - true, /* header byte order is big */ - - (HAS_RELOC | EXEC_P | /* object flags */ - HAS_LINENO | HAS_DEBUG | - HAS_SYMS | HAS_LOCALS | DYNAMIC | WP_TEXT), - - ( SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC), /* section flags */ - '_', /* leading symbol underscore */ - '/', /* ar_pad_char */ - 15, /* ar_max_namelen */ - 1, /* minimum section alignment */ - _do_getb64, _do_putb64, _do_getb32, _do_putb32, _do_getb16, _do_putb16, /* data */ - _do_getb64, _do_putb64, _do_getb32, _do_putb32, _do_getb16, _do_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}, - - JUMP_TABLE(coff), - COFF_SWAP_TABLE - }; +CREATE_BIG_COFF_TARGET_VEC (z8k_coff_vec, "coff-z8k", 0, 0, '_', NULL, COFF_SWAP_TABLE)