X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=bfd%2Felf32-d30v.c;h=f006b669faefc1178ab575427fe1f066a524e4b0;hb=234c306803e0b3c423b3935562a029f3bad04482;hp=263b5c010e565d1e62dbb9fb0dd71aea52afa5c3;hpb=abd8680d6efd97e7ba848a6392ee3ad72be18cd0;p=deliverable%2Fbinutils-gdb.git diff --git a/bfd/elf32-d30v.c b/bfd/elf32-d30v.c index 263b5c010e..f006b669fa 100644 --- a/bfd/elf32-d30v.c +++ b/bfd/elf32-d30v.c @@ -1,282 +1,43 @@ /* D30V-specific support for 32-bit ELF - Copyright (C) 1997, 1998, 1999 Free Software Foundation, Inc. + Copyright (C) 1997-2019 Free Software Foundation, Inc. Contributed by Martin Hunt (hunt@cygnus.com). -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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, 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 "elf-bfd.h" +#include "elf/d30v.h" -static reloc_howto_type *bfd_elf32_bfd_reloc_type_lookup - PARAMS ((bfd *abfd, bfd_reloc_code_real_type code)); -static void d30v_info_to_howto_rel - PARAMS ((bfd *, arelent *, Elf32_Internal_Rel *)); -static void d30v_info_to_howto_rela - PARAMS ((bfd *, arelent *, Elf32_Internal_Rela *)); -static bfd_reloc_status_type bfd_elf_d30v_reloc PARAMS (( - bfd *abfd, - arelent *reloc_entry, - asymbol *symbol, - PTR data, - asection *input_section, - bfd *output_bfd, - char **error_message)); -static bfd_reloc_status_type bfd_elf_d30v_reloc_21 PARAMS (( - bfd *abfd, - arelent *reloc_entry, - asymbol *symbol, - PTR data, - asection *input_section, - bfd *output_bfd, - char **error_message)); - -enum reloc_type -{ - R_D30V_NONE = 0, - R_D30V_6, - R_D30V_9_PCREL, - R_D30V_9_PCREL_R, - R_D30V_15, - R_D30V_15_PCREL, - R_D30V_15_PCREL_R, - R_D30V_21, - R_D30V_21_PCREL, - R_D30V_21_PCREL_R, - R_D30V_32, - R_D30V_32_PCREL, - R_D30V_32_NORMAL, - R_D30V_max -}; - -static reloc_howto_type elf_d30v_howto_table[] = -{ - /* This reloc does nothing. */ - HOWTO (R_D30V_NONE, /* type */ - 0, /* rightshift */ - 2, /* size (0 = byte, 1 = short, 2 = long) */ - 32, /* bitsize */ - false, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_bitfield, /* complain_on_overflow */ - bfd_elf_generic_reloc, /* special_function */ - "R_D30V_NONE", /* name */ - false, /* partial_inplace */ - 0, /* src_mask */ - 0, /* dst_mask */ - false), /* pcrel_offset */ - - /* A 6 bit absolute relocation */ - HOWTO (R_D30V_6, /* type */ - 0, /* rightshift */ - 2, /* size (0 = byte, 1 = short, 2 = long) */ - 6, /* bitsize */ - false, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_bitfield, /* complain_on_overflow */ - bfd_elf_generic_reloc, /* special_function */ - "R_D30V_6", /* name */ - false, /* partial_inplace */ - 0x3f, /* src_mask */ - 0x3f, /* dst_mask */ - false), /* pcrel_offset */ - - /* A relative 9 bit relocation, right shifted by 3 */ - HOWTO (R_D30V_9_PCREL, /* type */ - 3, /* rightshift */ - 2, /* size (0 = byte, 1 = short, 2 = long) */ - 6, /* bitsize */ - true, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_signed, /* complain_on_overflow */ - bfd_elf_d30v_reloc_21, /* special_function */ - "R_D30V_9_PCREL", /* name */ - false, /* partial_inplace */ - 0x3f, /* src_mask */ - 0x3f, /* dst_mask */ - true), /* pcrel_offset */ - - /* A relative 9 bit relocation, right shifted by 3 */ - HOWTO (R_D30V_9_PCREL_R, /* type */ - 3, /* rightshift */ - 2, /* size (0 = byte, 1 = short, 2 = long) */ - 6, /* bitsize */ - true, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_signed, /* complain_on_overflow */ - bfd_elf_d30v_reloc_21, /* special_function */ - "R_D30V_9_PCREL_R", /* name */ - false, /* partial_inplace */ - 0x3f, /* src_mask */ - 0x3f, /* dst_mask */ - true), /* pcrel_offset */ - - /* An absolute 15 bit relocation, right shifted by 3 */ - HOWTO (R_D30V_15, /* type */ - 3, /* rightshift */ - 2, /* size (0 = byte, 1 = short, 2 = long) */ - 12, /* bitsize */ - false, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_signed, /* complain_on_overflow */ - bfd_elf_generic_reloc, /* special_function */ - "R_D30V_15", /* name */ - false, /* partial_inplace */ - 0xfff, /* src_mask */ - 0xfff, /* dst_mask */ - false), /* pcrel_offset */ - - /* A relative 15 bit relocation, right shifted by 3 */ - HOWTO (R_D30V_15_PCREL, /* type */ - 3, /* rightshift */ - 2, /* size (0 = byte, 1 = short, 2 = long) */ - 12, /* bitsize */ - true, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_signed, /* complain_on_overflow */ - bfd_elf_d30v_reloc_21, /* special_function */ - "R_D30V_15_PCREL", /* name */ - false, /* partial_inplace */ - 0xfff, /* src_mask */ - 0xfff, /* dst_mask */ - true), /* pcrel_offset */ - - /* A relative 15 bit relocation, right shifted by 3 */ - HOWTO (R_D30V_15_PCREL_R, /* type */ - 3, /* rightshift */ - 2, /* size (0 = byte, 1 = short, 2 = long) */ - 12, /* bitsize */ - true, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_signed, /* complain_on_overflow */ - bfd_elf_d30v_reloc_21, /* special_function */ - "R_D30V_15_PCREL_R", /* name */ - false, /* partial_inplace */ - 0xfff, /* src_mask */ - 0xfff, /* dst_mask */ - true), /* pcrel_offset */ - - /* An absolute 21 bit relocation, right shifted by 3 */ - HOWTO (R_D30V_21, /* type */ - 3, /* rightshift */ - 2, /* size (0 = byte, 1 = short, 2 = long) */ - 18, /* bitsize */ - false, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_signed, /* complain_on_overflow */ - bfd_elf_generic_reloc, /* special_function */ - "R_D30V_21", /* name */ - false, /* partial_inplace */ - 0x3ffff, /* src_mask */ - 0x3ffff, /* dst_mask */ - false), /* pcrel_offset */ - - /* A relative 21 bit relocation, right shifted by 3 */ - HOWTO (R_D30V_21_PCREL, /* type */ - 3, /* rightshift */ - 2, /* size (0 = byte, 1 = short, 2 = long) */ - 18, /* bitsize */ - true, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_signed, /* complain_on_overflow */ - bfd_elf_d30v_reloc_21, /* special_function */ - "R_D30V_21_PCREL", /* name */ - false, /* partial_inplace */ - 0x3ffff, /* src_mask */ - 0x3ffff, /* dst_mask */ - true), /* pcrel_offset */ - - /* A relative 21 bit relocation, right shifted by 3, in the Right container */ - HOWTO (R_D30V_21_PCREL_R, /* type */ - 3, /* rightshift */ - 2, /* size (0 = byte, 1 = short, 2 = long) */ - 18, /* bitsize */ - true, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_signed, /* complain_on_overflow */ - bfd_elf_d30v_reloc_21, /* special_function */ - "R_D30V_21_PCREL_R", /* name */ - false, /* partial_inplace */ - 0x3ffff, /* src_mask */ - 0x3ffff, /* dst_mask */ - true), /* pcrel_offset */ - - /* A D30V 32 bit absolute relocation */ - HOWTO (R_D30V_32, /* type */ - 0, /* rightshift */ - 4, /* size (0 = byte, 1 = short, 2 = long) */ - 32, /* bitsize */ - false, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_bitfield, /* complain_on_overflow */ - bfd_elf_d30v_reloc, /* special_function */ - "R_D30V_32", /* name */ - false, /* partial_inplace */ - 0xffffffff, /* src_mask */ - 0xffffffff, /* dst_mask */ - false), /* pcrel_offset */ - - /* A relative 32 bit relocation */ - HOWTO (R_D30V_32_PCREL, /* type */ - 0, /* rightshift */ - 4, /* size (0 = byte, 1 = short, 2 = long) */ - 32, /* bitsize */ - true, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_signed, /* complain_on_overflow */ - bfd_elf_d30v_reloc, /* special_function */ - "R_D30V_32_PCREL", /* name */ - false, /* partial_inplace */ - 0xffffffff, /* src_mask */ - 0xffffffff, /* dst_mask */ - true), /* pcrel_offset */ - - /* A regular 32 bit absolute relocation */ - HOWTO (R_D30V_32_NORMAL, /* type */ - 0, /* rightshift */ - 2, /* size (0 = byte, 1 = short, 2 = long) */ - 32, /* bitsize */ - false, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_bitfield, /* complain_on_overflow */ - bfd_elf_generic_reloc, /* special_function */ - "R_D30V_32_NORMAL", /* name */ - false, /* partial_inplace */ - 0xffffffff, /* src_mask */ - 0xffffffff, /* dst_mask */ - false), /* pcrel_offset */ - -}; - -#define MIN32 (long long)0xffffffff80000000LL -#define MAX32 0x7fffffffLL +#define MAX32 ((bfd_signed_vma) 0x7fffffff) +#define MIN32 (- MAX32 - 1) static bfd_reloc_status_type -bfd_elf_d30v_reloc (abfd, reloc_entry, symbol, data, input_section, output_bfd, error_message) - bfd *abfd; - arelent *reloc_entry; - asymbol *symbol; - PTR data; - asection *input_section; - bfd *output_bfd; - char **error_message; +bfd_elf_d30v_reloc (bfd *abfd, + arelent *reloc_entry, + asymbol *symbol, + void * data, + asection *input_section, + bfd *output_bfd, + char **error_message) { - long long relocation; + bfd_signed_vma relocation; bfd_vma in1, in2, num; bfd_vma tmp_addr = 0; bfd_reloc_status_type r; @@ -287,22 +48,29 @@ bfd_elf_d30v_reloc (abfd, reloc_entry, symbol, data, input_section, output_bfd, reloc_howto_type *howto = reloc_entry->howto; int make_absolute = 0; + if (output_bfd != NULL) + { + /* Partial linking -- do nothing. */ + reloc_entry->address += input_section->output_offset; + return bfd_reloc_ok; + } + r = bfd_elf_generic_reloc (abfd, reloc_entry, symbol, data, - input_section, output_bfd, error_message); + input_section, output_bfd, error_message); if (r != bfd_reloc_continue) - return r; + return r; - /* a hacked-up version of bfd_perform_reloc() follows */ + /* A hacked-up version of bfd_perform_reloc() follows. */ if (bfd_is_und_section (symbol->section) && (symbol->flags & BSF_WEAK) == 0 - && output_bfd == (bfd *) NULL) + && output_bfd == NULL) flag = bfd_reloc_undefined; /* Is the address of the relocation really within the section? */ - if (reloc_entry->address > input_section->_cooked_size) + if (reloc_entry->address > bfd_get_section_limit (abfd, input_section)) return bfd_reloc_outofrange; - /* Work out which section the relocation is targetted at and the + /* Work out which section the relocation is targeted at and the initial relocation command value. */ /* Get symbol value. (Common symbols are special.) */ @@ -314,11 +82,7 @@ bfd_elf_d30v_reloc (abfd, reloc_entry, symbol, data, input_section, output_bfd, reloc_target_output_section = symbol->section->output_section; /* Convert input-section-relative symbol value to absolute. */ - if (output_bfd) - output_base = 0; - else - output_base = reloc_target_output_section->vma; - + output_base = reloc_target_output_section->vma; relocation += output_base + symbol->section->output_offset; /* Add in supplied addend. */ @@ -326,80 +90,61 @@ bfd_elf_d30v_reloc (abfd, reloc_entry, symbol, data, input_section, output_bfd, /* Here the variable relocation holds the final address of the symbol we are relocating against, plus any addend. */ - - if (howto->pc_relative == true) + if (howto->pc_relative) { - tmp_addr = input_section->output_section->vma + input_section->output_offset + tmp_addr = input_section->output_section->vma + + input_section->output_offset + reloc_entry->address; relocation -= tmp_addr; } - - if (output_bfd != (bfd *) NULL) - { - /* This is a partial relocation, and we want to apply the relocation - to the reloc entry rather than the raw data. Modify the reloc - inplace to reflect what we now know. */ - reloc_entry->addend = relocation; - reloc_entry->address += input_section->output_offset; - return flag; - } - else - reloc_entry->addend = 0; - + in1 = bfd_get_32 (abfd, (bfd_byte *) data + addr); in2 = bfd_get_32 (abfd, (bfd_byte *) data + addr + 4); - /* extract the addend */ + /* Extract the addend. */ num = ((in2 & 0x3FFFF) | ((in2 & 0xFF00000) >> 2) | ((in1 & 0x3F) << 26)); in1 &= 0xFFFFFFC0; in2 = 0x80000000; - + relocation += num; - if (howto->pc_relative == true && howto->bitsize == 32) + if (howto->pc_relative && howto->bitsize == 32) { - /* the D30V has a PC that doesn't wrap and PC-relative jumps */ - /* are signed, so a PC-relative jump can'tbe more than +/- 2^31 byrtes */ - /* if one exceeds this, change it to an absolute jump */ - if (relocation > MAX32) - { - relocation = (relocation + tmp_addr) & 0xffffffff; - make_absolute = 1; - } - else if (relocation < MIN32) + /* The D30V has a PC that doesn't wrap and PC-relative jumps are + signed, so a PC-relative jump can't be more than +/- 2^31 bytes. + If one exceeds this, change it to an absolute jump. */ + if (relocation > MAX32 || relocation < MIN32) { relocation = (relocation + tmp_addr) & 0xffffffff; make_absolute = 1; } } - - in1 |= (relocation >> 26) & 0x3F; /* top 6 bits */ - in2 |= ((relocation & 0x03FC0000) << 2); /* next 8 bits */ - in2 |= relocation & 0x0003FFFF; /* bottom 18 bits */ - - /* change a PC-relative instruction to its absolute equivalent */ - /* with this simple hack */ + + in1 |= (relocation >> 26) & 0x3F; /* Top 6 bits. */ + in2 |= ((relocation & 0x03FC0000) << 2); /* Next 8 bits. */ + in2 |= relocation & 0x0003FFFF; /* Bottom 18 bits. */ + + /* Change a PC-relative instruction to its + absolute equivalent with this simple hack. */ if (make_absolute) in1 |= 0x00100000; bfd_put_32 (abfd, in1, (bfd_byte *) data + addr); bfd_put_32 (abfd, in2, (bfd_byte *) data + addr + 4); - - return flag; -} + return flag; +} static bfd_reloc_status_type -bfd_elf_d30v_reloc_21 (abfd, reloc_entry, symbol, data, input_section, output_bfd, error_message) - bfd *abfd; - arelent *reloc_entry; - asymbol *symbol; - PTR data; - asection *input_section; - bfd *output_bfd; - char **error_message; +bfd_elf_d30v_reloc_21 (bfd *abfd, + arelent *reloc_entry, + asymbol *symbol, + void * data, + asection *input_section, + bfd *output_bfd, + char **error_message) { bfd_vma relocation; bfd_vma in1, num; @@ -411,22 +156,29 @@ bfd_elf_d30v_reloc_21 (abfd, reloc_entry, symbol, data, input_section, output_bf reloc_howto_type *howto = reloc_entry->howto; int mask, max; + if (output_bfd != NULL) + { + /* Partial linking -- do nothing. */ + reloc_entry->address += input_section->output_offset; + return bfd_reloc_ok; + } + r = bfd_elf_generic_reloc (abfd, reloc_entry, symbol, data, - input_section, output_bfd, error_message); + input_section, output_bfd, error_message); if (r != bfd_reloc_continue) - return r; + return r; - /* a hacked-up version of bfd_perform_reloc() follows */ - if (bfd_is_und_section (symbol->section) + /* A hacked-up version of bfd_perform_reloc() follows. */ + if (bfd_is_und_section (symbol->section) && (symbol->flags & BSF_WEAK) == 0 - && output_bfd == (bfd *) NULL) + && output_bfd == NULL) flag = bfd_reloc_undefined; /* Is the address of the relocation really within the section? */ - if (reloc_entry->address > input_section->_cooked_size) + if (reloc_entry->address > bfd_get_section_limit (abfd, input_section)) return bfd_reloc_outofrange; - /* Work out which section the relocation is targetted at and the + /* Work out which section the relocation is targeted at and the initial relocation command value. */ /* Get symbol value. (Common symbols are special.) */ @@ -438,11 +190,7 @@ bfd_elf_d30v_reloc_21 (abfd, reloc_entry, symbol, data, input_section, output_bf reloc_target_output_section = symbol->section->output_section; /* Convert input-section-relative symbol value to absolute. */ - if (output_bfd) - output_base = 0; - else - output_base = reloc_target_output_section->vma; - + output_base = reloc_target_output_section->vma; relocation += output_base + symbol->section->output_offset; /* Add in supplied addend. */ @@ -451,25 +199,14 @@ bfd_elf_d30v_reloc_21 (abfd, reloc_entry, symbol, data, input_section, output_bf /* Here the variable relocation holds the final address of the symbol we are relocating against, plus any addend. */ - if (howto->pc_relative == true) + if (howto->pc_relative) { - relocation -= input_section->output_section->vma + input_section->output_offset; - if (howto->pcrel_offset == true) + relocation -= (input_section->output_section->vma + + input_section->output_offset); + if (howto->pcrel_offset) relocation -= reloc_entry->address; } - if (output_bfd != (bfd *) NULL) - { - /* This is a partial relocation, and we want to apply the relocation - to the reloc entry rather than the raw data. Modify the reloc - inplace to reflect what we now know. */ - reloc_entry->addend = relocation; - reloc_entry->address += input_section->output_offset; - return flag; - } - else - reloc_entry->addend = 0; - in1 = bfd_get_32 (abfd, (bfd_byte *) data + addr); mask = (1 << howto->bitsize) - 1; @@ -477,40 +214,239 @@ bfd_elf_d30v_reloc_21 (abfd, reloc_entry, symbol, data, input_section, output_bf mask <<= 12; max = (1 << (howto->bitsize + 2)) - 1; - /* extract the addend */ - num = in1 & mask; /* 18 bits */ + /* Extract the addend. */ + num = in1 & mask; /* 18 bits. */ if (howto->bitsize == 6) num >>= 12; - num <<= 3; /* shift left 3 */ - in1 &= ~mask; /* mask out addend */ + num <<= 3; /* shift left 3. */ + in1 &= ~mask; /* Mask out addend. */ relocation += num; - if (howto->type == R_D30V_21_PCREL_R || howto->type == R_D30V_15_PCREL_R || - howto->type == R_D30V_9_PCREL_R ) - { - relocation += 4; - } + if (howto->type == R_D30V_21_PCREL_R + || howto->type == R_D30V_15_PCREL_R + || howto->type == R_D30V_9_PCREL_R) + relocation += 4; - if ((int)relocation < 0 ) + if ((int) relocation < 0) { - if (~(int)relocation > max) + if (~ (int) relocation > max) flag = bfd_reloc_overflow; } else { - if ((int)relocation > max) + if ((int) relocation > max) flag = bfd_reloc_overflow; } - relocation >>= 3; + + relocation >>= 3; if (howto->bitsize == 6) in1 |= ((relocation & (mask >> 12)) << 12); else in1 |= relocation & mask; bfd_put_32 (abfd, in1, (bfd_byte *) data + addr); - + return flag; -} +} + +static reloc_howto_type elf_d30v_howto_table[] = +{ + /* This reloc does nothing. */ + HOWTO (R_D30V_NONE, /* Type. */ + 0, /* Rightshift. */ + 3, /* Size (0 = byte, 1 = short, 2 = long). */ + 0, /* Bitsize. */ + FALSE, /* PC_relative. */ + 0, /* Bitpos. */ + complain_overflow_dont, /* Complain_on_overflow. */ + bfd_elf_generic_reloc, /* Special_function. */ + "R_D30V_NONE", /* Name. */ + FALSE, /* Partial_inplace. */ + 0, /* Src_mask. */ + 0, /* Dst_mask. */ + FALSE), /* PCrel_offset. */ + + /* A 6 bit absolute relocation. */ + HOWTO (R_D30V_6, /* Type. */ + 0, /* Rightshift. */ + 2, /* Size (0 = byte, 1 = short, 2 = long). */ + 6, /* Bitsize. */ + FALSE, /* PC_relative. */ + 0, /* Bitpos. */ + complain_overflow_bitfield, /* Complain_on_overflow. */ + bfd_elf_generic_reloc, /* Special_function. */ + "R_D30V_6", /* Name. */ + FALSE, /* Partial_inplace. */ + 0x3f, /* Src_mask. */ + 0x3f, /* Dst_mask. */ + FALSE), /* PCrel_offset. */ + + /* A relative 9 bit relocation, right shifted by 3. */ + HOWTO (R_D30V_9_PCREL, /* Type. */ + 3, /* Rightshift. */ + 2, /* Size (0 = byte, 1 = short, 2 = long). */ + 6, /* Bitsize. */ + TRUE, /* PC_relative. */ + 0, /* Bitpos. */ + complain_overflow_signed, /* Complain_on_overflow. */ + bfd_elf_d30v_reloc_21, /* Special_function. */ + "R_D30V_9_PCREL", /* Name. */ + FALSE, /* Partial_inplace. */ + 0x3f, /* Src_mask. */ + 0x3f, /* Dst_mask. */ + TRUE), /* PCrel_offset. */ + + /* A relative 9 bit relocation, right shifted by 3. */ + HOWTO (R_D30V_9_PCREL_R, /* Type. */ + 3, /* Rightshift. */ + 2, /* Size (0 = byte, 1 = short, 2 = long). */ + 6, /* Bitsize. */ + TRUE, /* PC_relative. */ + 0, /* Bitpos. */ + complain_overflow_signed, /* Complain_on_overflow. */ + bfd_elf_d30v_reloc_21, /* Special_function. */ + "R_D30V_9_PCREL_R", /* Name. */ + FALSE, /* Partial_inplace. */ + 0x3f, /* Src_mask. */ + 0x3f, /* Dst_mask. */ + TRUE), /* PCrel_offset. */ + + /* An absolute 15 bit relocation, right shifted by 3. */ + HOWTO (R_D30V_15, /* Type. */ + 3, /* Rightshift. */ + 2, /* Size (0 = byte, 1 = short, 2 = long). */ + 12, /* Bitsize. */ + FALSE, /* PC_relative. */ + 0, /* Bitpos. */ + complain_overflow_signed, /* Complain_on_overflow. */ + bfd_elf_generic_reloc, /* Special_function. */ + "R_D30V_15", /* Name. */ + FALSE, /* Partial_inplace. */ + 0xfff, /* Src_mask. */ + 0xfff, /* Dst_mask. */ + FALSE), /* PCrel_offset. */ + + /* A relative 15 bit relocation, right shifted by 3. */ + HOWTO (R_D30V_15_PCREL, /* Type. */ + 3, /* Rightshift. */ + 2, /* Size (0 = byte, 1 = short, 2 = long). */ + 12, /* Bitsize. */ + TRUE, /* PC_relative. */ + 0, /* Bitpos. */ + complain_overflow_signed, /* Complain_on_overflow. */ + bfd_elf_d30v_reloc_21, /* Special_function. */ + "R_D30V_15_PCREL", /* Name. */ + FALSE, /* Partial_inplace. */ + 0xfff, /* Src_mask. */ + 0xfff, /* Dst_mask. */ + TRUE), /* PCrel_offset. */ + + /* A relative 15 bit relocation, right shifted by 3. */ + HOWTO (R_D30V_15_PCREL_R, /* Type. */ + 3, /* Rightshift. */ + 2, /* Size (0 = byte, 1 = short, 2 = long). */ + 12, /* Bitsize. */ + TRUE, /* PC_relative. */ + 0, /* Bitpos. */ + complain_overflow_signed, /* Complain_on_overflow. */ + bfd_elf_d30v_reloc_21, /* Special_function. */ + "R_D30V_15_PCREL_R", /* Name. */ + FALSE, /* Partial_inplace. */ + 0xfff, /* Src_mask. */ + 0xfff, /* Dst_mask. */ + TRUE), /* PCrel_offset. */ + + /* An absolute 21 bit relocation, right shifted by 3. */ + HOWTO (R_D30V_21, /* Type. */ + 3, /* Rightshift. */ + 2, /* Size (0 = byte, 1 = short, 2 = long). */ + 18, /* Bitsize. */ + FALSE, /* PC_relative. */ + 0, /* Bitpos. */ + complain_overflow_signed, /* Complain_on_overflow. */ + bfd_elf_generic_reloc, /* Special_function. */ + "R_D30V_21", /* Name. */ + FALSE, /* Partial_inplace. */ + 0x3ffff, /* Src_mask. */ + 0x3ffff, /* Dst_mask. */ + FALSE), /* PCrel_offset. */ + + /* A relative 21 bit relocation, right shifted by 3. */ + HOWTO (R_D30V_21_PCREL, /* Type. */ + 3, /* Rightshift. */ + 2, /* Size (0 = byte, 1 = short, 2 = long). */ + 18, /* Bitsize. */ + TRUE, /* PC_relative. */ + 0, /* Bitpos. */ + complain_overflow_signed, /* Complain_on_overflow. */ + bfd_elf_d30v_reloc_21, /* Special_function. */ + "R_D30V_21_PCREL", /* Name. */ + FALSE, /* Partial_inplace. */ + 0x3ffff, /* Src_mask. */ + 0x3ffff, /* Dst_mask. */ + TRUE), /* PCrel_offset. */ + + /* A relative 21 bit relocation, right shifted by 3, in the Right container. */ + HOWTO (R_D30V_21_PCREL_R, /* Type. */ + 3, /* Rightshift. */ + 2, /* Size (0 = byte, 1 = short, 2 = long). */ + 18, /* Bitsize. */ + TRUE, /* PC_relative. */ + 0, /* Bitpos. */ + complain_overflow_signed, /* Complain_on_overflow. */ + bfd_elf_d30v_reloc_21, /* Special_function. */ + "R_D30V_21_PCREL_R", /* Name. */ + FALSE, /* Partial_inplace. */ + 0x3ffff, /* Src_mask. */ + 0x3ffff, /* Dst_mask. */ + TRUE), /* PCrel_offset. */ + + /* A D30V 32 bit absolute relocation. */ + HOWTO (R_D30V_32, /* Type. */ + 0, /* Rightshift. */ + 4, /* Size (0 = byte, 1 = short, 2 = long). */ + 32, /* Bitsize. */ + FALSE, /* PC_relative. */ + 0, /* Bitpos. */ + complain_overflow_bitfield, /* Complain_on_overflow. */ + bfd_elf_d30v_reloc, /* Special_function. */ + "R_D30V_32", /* Name. */ + FALSE, /* Partial_inplace. */ + 0xffffffff, /* Src_mask. */ + 0xffffffff, /* Dst_mask. */ + FALSE), /* PCrel_offset. */ + + /* A relative 32 bit relocation. */ + HOWTO (R_D30V_32_PCREL, /* Type. */ + 0, /* Rightshift. */ + 4, /* Size (0 = byte, 1 = short, 2 = long). */ + 32, /* Bitsize. */ + TRUE, /* PC_relative. */ + 0, /* Bitpos. */ + complain_overflow_signed, /* Complain_on_overflow. */ + bfd_elf_d30v_reloc, /* Special_function. */ + "R_D30V_32_PCREL", /* Name. */ + FALSE, /* Partial_inplace. */ + 0xffffffff, /* Src_mask. */ + 0xffffffff, /* Dst_mask. */ + TRUE), /* PCrel_offset. */ + + /* A regular 32 bit absolute relocation. */ + HOWTO (R_D30V_32_NORMAL, /* Type. */ + 0, /* Rightshift. */ + 2, /* Size (0 = byte, 1 = short, 2 = long). */ + 32, /* Bitsize. */ + FALSE, /* PC_relative. */ + 0, /* Bitpos. */ + complain_overflow_bitfield, /* Complain_on_overflow. */ + bfd_elf_generic_reloc, /* Special_function. */ + "R_D30V_32_NORMAL", /* Name. */ + FALSE, /* Partial_inplace. */ + 0xffffffff, /* Src_mask. */ + 0xffffffff, /* Dst_mask. */ + FALSE), /* PCrel_offset. */ + +}; /* Map BFD reloc types to D30V ELF reloc types. */ @@ -520,7 +456,6 @@ struct d30v_reloc_map unsigned char elf_reloc_val; }; - static const struct d30v_reloc_map d30v_reloc_map[] = { { BFD_RELOC_NONE, R_D30V_NONE, }, @@ -539,9 +474,8 @@ static const struct d30v_reloc_map d30v_reloc_map[] = }; static reloc_howto_type * -bfd_elf32_bfd_reloc_type_lookup (abfd, code) - bfd *abfd ATTRIBUTE_UNUSED; - bfd_reloc_code_real_type code; +bfd_elf32_bfd_reloc_type_lookup (bfd *abfd ATTRIBUTE_UNUSED, + bfd_reloc_code_real_type code) { unsigned int i; @@ -556,46 +490,76 @@ bfd_elf32_bfd_reloc_type_lookup (abfd, code) return NULL; } +static reloc_howto_type * +bfd_elf32_bfd_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED, + const char *r_name) +{ + unsigned int i; + + for (i = 0; + i < sizeof (elf_d30v_howto_table) / sizeof (elf_d30v_howto_table[0]); + i++) + if (elf_d30v_howto_table[i].name != NULL + && strcasecmp (elf_d30v_howto_table[i].name, r_name) == 0) + return &elf_d30v_howto_table[i]; + + return NULL; +} + /* Set the howto pointer for an D30V ELF reloc (type REL). */ -static void -d30v_info_to_howto_rel (abfd, cache_ptr, dst) - bfd *abfd ATTRIBUTE_UNUSED; - arelent *cache_ptr; - Elf32_Internal_Rel *dst; +static bfd_boolean +d30v_info_to_howto_rel (bfd *abfd, + arelent *cache_ptr, + Elf_Internal_Rela *dst) { unsigned int r_type; r_type = ELF32_R_TYPE (dst->r_info); - BFD_ASSERT (r_type < (unsigned int) R_D30V_max); + if (r_type >= (unsigned int) R_D30V_max) + { + /* xgettext:c-format */ + _bfd_error_handler (_("%pB: unsupported relocation type %#x"), + abfd, r_type); + bfd_set_error (bfd_error_bad_value); + return FALSE; + } cache_ptr->howto = &elf_d30v_howto_table[r_type]; + return TRUE; } /* Set the howto pointer for an D30V ELF reloc (type RELA). */ -static void -d30v_info_to_howto_rela (abfd, cache_ptr, dst) - bfd *abfd ATTRIBUTE_UNUSED; - arelent *cache_ptr; - Elf32_Internal_Rela *dst; +static bfd_boolean +d30v_info_to_howto_rela (bfd *abfd, + arelent *cache_ptr, + Elf_Internal_Rela *dst) { unsigned int r_type; r_type = ELF32_R_TYPE (dst->r_info); - BFD_ASSERT (r_type < (unsigned int) R_D30V_max); + if (r_type >= (unsigned int) R_D30V_max) + { + /* xgettext:c-format */ + _bfd_error_handler (_("%pB: unsupported relocation type %#x"), + abfd, r_type); + bfd_set_error (bfd_error_bad_value); + return FALSE; + } cache_ptr->howto = &elf_d30v_howto_table[r_type]; + return TRUE; } #define ELF_ARCH bfd_arch_d30v -#define ELF_MACHINE_CODE EM_CYGNUS_D30V +#define ELF_MACHINE_CODE EM_D30V +#define ELF_MACHINE_ALT1 EM_CYGNUS_D30V #define ELF_MAXPAGESIZE 0x1000 -#define TARGET_BIG_SYM bfd_elf32_d30v_vec +#define TARGET_BIG_SYM d30v_elf32_vec #define TARGET_BIG_NAME "elf32-d30v" #define elf_info_to_howto d30v_info_to_howto_rela #define elf_info_to_howto_rel d30v_info_to_howto_rel #define elf_backend_object_p 0 -#define elf_backend_final_write_processing 0 #include "elf32-target.h"