X-Git-Url: http://drtracing.org/?a=blobdiff_plain;ds=sidebyside;f=bfd%2Felf32-dlx.c;h=b5c7d6e8a80387191eb9ddf9de0de59ef8b2f3bb;hb=ef53be89160126f2fa5dec8f1ec3bd6d99fb0681;hp=1f380e88eaa4c26c3bf46ab4074ea53d59129e67;hpb=1049f94e8e1a9eae86a694d2dca94a6194f763b1;p=deliverable%2Fbinutils-gdb.git diff --git a/bfd/elf32-dlx.c b/bfd/elf32-dlx.c index 1f380e88ea..b5c7d6e8a8 100644 --- a/bfd/elf32-dlx.c +++ b/bfd/elf32-dlx.c @@ -1,11 +1,11 @@ /* DLX specific support for 32-bit ELF - Copyright 2002, 2003 Free Software Foundation, Inc. + Copyright (C) 2002-2016 Free Software Foundation, Inc. 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 + 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, @@ -15,220 +15,24 @@ 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. */ + 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/dlx.h" -int set_dlx_skip_hi16_flag PARAMS ((int)); - -static bfd_boolean elf32_dlx_check_relocs - PARAMS ((bfd *, struct bfd_link_info *, asection *, - const Elf_Internal_Rela *)); -static void elf32_dlx_info_to_howto - PARAMS ((bfd *, arelent *, Elf_Internal_Rela *)); -static void elf32_dlx_info_to_howto_rel - PARAMS ((bfd *, arelent *, Elf_Internal_Rela *)); -static bfd_reloc_status_type elf32_dlx_relocate16 - PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **)); -static bfd_reloc_status_type elf32_dlx_relocate26 - PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **)); -static reloc_howto_type *elf32_dlx_reloc_type_lookup - PARAMS ((bfd *, bfd_reloc_code_real_type)); -static bfd_reloc_status_type _bfd_dlx_elf_hi16_reloc - PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **)); -static reloc_howto_type * dlx_rtype_to_howto - PARAMS ((unsigned int)); - - #define USE_REL 1 #define bfd_elf32_bfd_reloc_type_lookup elf32_dlx_reloc_type_lookup +#define bfd_elf32_bfd_reloc_name_lookup elf32_dlx_reloc_name_lookup #define elf_info_to_howto elf32_dlx_info_to_howto #define elf_info_to_howto_rel elf32_dlx_info_to_howto_rel #define elf_backend_check_relocs elf32_dlx_check_relocs -static reloc_howto_type dlx_elf_howto_table[]= - { - /* No relocation. */ - HOWTO (R_DLX_NONE, /* type */ - 0, /* rightshift */ - 0, /* 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_DLX_NONE", /* name */ - FALSE, /* partial_inplace */ - 0, /* src_mask */ - 0, /* dst_mask */ - FALSE), /* pcrel_offset */ - - /* 8 bit relocation. */ - HOWTO (R_DLX_RELOC_8, /* type */ - 0, /* rightshift */ - 0, /* size (0 = byte, 1 = short, 2 = long) */ - 8, /* bitsize */ - FALSE, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_dont,/* complain_on_overflow */ - bfd_elf_generic_reloc, /* special_function */ - "R_DLX_RELOC_8", /* name */ - TRUE, /* partial_inplace */ - 0xff, /* src_mask */ - 0xff, /* dst_mask */ - FALSE), /* pcrel_offset */ - - /* 16 bit relocation. */ - HOWTO (R_DLX_RELOC_16, /* type */ - 0, /* rightshift */ - 1, /* size (0 = byte, 1 = short, 2 = long) */ - 16, /* bitsize */ - FALSE, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_dont,/* complain_on_overflow */ - bfd_elf_generic_reloc, /* special_function */ - "R_DLX_RELOC_16", /* name */ - TRUE, /* partial_inplace */ - 0xffff, /* src_mask */ - 0xffff, /* dst_mask */ - FALSE), /* pcrel_offset */ - -#if 0 - /* 26 bit jump address. */ - HOWTO (R_DLX_RELOC_26, /* type */ - 0, /* rightshift */ - 2, /* size (0 = byte, 1 = short, 2 = long) */ - 26, /* bitsize */ - FALSE, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_dont,/* complain_on_overflow */ - /* This needs complex overflow detection, because the upper four - bits must match the PC + 4. */ - bfd_elf_generic_reloc, /* special_function */ - "R_DLX_RELOC_26", /* name */ - TRUE, /* partial_inplace */ - 0x3ffffff, /* src_mask */ - 0x3ffffff, /* dst_mask */ - FALSE), /* pcrel_offset */ -#endif - - /* 32 bit relocation. */ - HOWTO (R_DLX_RELOC_32, /* type */ - 0, /* rightshift */ - 2, /* size (0 = byte, 1 = short, 2 = long) */ - 32, /* bitsize */ - FALSE, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_dont,/* complain_on_overflow */ - bfd_elf_generic_reloc, /* special_function */ - "R_DLX_RELOC_32", /* name */ - TRUE, /* partial_inplace */ - 0xffffffff, /* src_mask */ - 0xffffffff, /* dst_mask */ - FALSE), /* pcrel_offset */ - - /* GNU extension to record C++ vtable hierarchy */ - HOWTO (R_DLX_GNU_VTINHERIT, /* type */ - 0, /* rightshift */ - 2, /* size (0 = byte, 1 = short, 2 = long) */ - 0, /* bitsize */ - FALSE, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_dont,/* complain_on_overflow */ - NULL, /* special_function */ - "R_DLX_GNU_VTINHERIT", /* name */ - FALSE, /* partial_inplace */ - 0, /* src_mask */ - 0, /* dst_mask */ - FALSE), /* pcrel_offset */ - - /* GNU extension to record C++ vtable member usage */ - HOWTO (R_DLX_GNU_VTENTRY, /* type */ - 0, /* rightshift */ - 2, /* size (0 = byte, 1 = short, 2 = long) */ - 0, /* bitsize */ - FALSE, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_dont,/* complain_on_overflow */ - _bfd_elf_rel_vtable_reloc_fn,/* special_function */ - "R_DLX_GNU_VTENTRY", /* name */ - FALSE, /* partial_inplace */ - 0, /* src_mask */ - 0, /* dst_mask */ - FALSE) /* pcrel_offset */ - }; - -/* 16 bit offset for pc-relative branches. */ -static reloc_howto_type elf_dlx_gnu_rel16_s2 = -HOWTO (R_DLX_RELOC_16_PCREL, /* type */ - 0, /* rightshift */ - 1, /* size (0 = byte, 1 = short, 2 = long) */ - 16, /* bitsize */ - TRUE, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_signed, /* complain_on_overflow */ - elf32_dlx_relocate16, /* special_function */ - "R_DLX_RELOC_16_PCREL",/* name */ - TRUE, /* partial_inplace */ - 0xffff, /* src_mask */ - 0xffff, /* dst_mask */ - TRUE); /* pcrel_offset */ - -/* 26 bit offset for pc-relative branches. */ -static reloc_howto_type elf_dlx_gnu_rel26_s2 = -HOWTO (R_DLX_RELOC_26_PCREL, /* type */ - 0, /* rightshift */ - 2, /* size (0 = byte, 1 = short, 2 = long) */ - 26, /* bitsize */ - TRUE, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_dont,/* complain_on_overflow */ - elf32_dlx_relocate26, /* special_function */ - "R_DLX_RELOC_26_PCREL",/* name */ - TRUE, /* partial_inplace */ - 0xffff, /* src_mask */ - 0xffff, /* dst_mask */ - TRUE); /* pcrel_offset */ - -/* High 16 bits of symbol value. */ -static reloc_howto_type elf_dlx_reloc_16_hi = -HOWTO (R_DLX_RELOC_16_HI, /* type */ - 16, /* rightshift */ - 2, /* size (0 = byte, 1 = short, 2 = long) */ - 32, /* bitsize */ - FALSE, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_dont, /* complain_on_overflow */ - _bfd_dlx_elf_hi16_reloc,/* special_function */ - "R_DLX_RELOC_16_HI", /* name */ - TRUE, /* partial_inplace */ - 0xFFFF, /* src_mask */ - 0xffff, /* dst_mask */ - FALSE); /* pcrel_offset */ - - /* Low 16 bits of symbol value. */ -static reloc_howto_type elf_dlx_reloc_16_lo = -HOWTO (R_DLX_RELOC_16_LO, /* type */ - 0, /* rightshift */ - 1, /* size (0 = byte, 1 = short, 2 = long) */ - 16, /* bitsize */ - FALSE, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_dont,/* complain_on_overflow */ - bfd_elf_generic_reloc, /* special_function */ - "R_DLX_RELOC_16_LO", /* name */ - TRUE, /* partial_inplace */ - 0xffff, /* src_mask */ - 0xffff, /* dst_mask */ - FALSE); /* pcrel_offset */ - - -/* The gas default beheaver is not to preform the %hi modifier so that the +/* The gas default behavior is not to preform the %hi modifier so that the GNU assembler can have the lower 16 bits offset placed in the insn, BUT we do like the gas to indicate it is %hi reloc type so when we in the link loader phase we can have the corrected hi16 vale replace the buggous lo16 @@ -236,24 +40,23 @@ HOWTO (R_DLX_RELOC_16_LO, /* type */ static int skip_dlx_elf_hi16_reloc = 0; +extern int set_dlx_skip_hi16_flag (int); + int -set_dlx_skip_hi16_flag (flag) - int flag; +set_dlx_skip_hi16_flag (int flag) { skip_dlx_elf_hi16_reloc = flag; return flag; } static bfd_reloc_status_type -_bfd_dlx_elf_hi16_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_dlx_elf_hi16_reloc (bfd *abfd, + arelent *reloc_entry, + asymbol *symbol, + void * data, + asection *input_section, + bfd *output_bfd, + char **error_message) { bfd_reloc_status_type ret; bfd_vma relocation; @@ -261,9 +64,6 @@ _bfd_dlx_elf_hi16_reloc (abfd, reloc_entry, symbol, data, /* If the skip flag is set then we simply do the generic relocating, this is more of a hack for dlx gas/gld, so we do not need to do the %hi/%lo fixup like mips gld did. */ -#if 0 - printf ("DEBUG: skip_dlx_elf_hi16_reloc = 0x%08x\n", skip_dlx_elf_hi16_reloc); -#endif if (skip_dlx_elf_hi16_reloc) return bfd_elf_generic_reloc (abfd, reloc_entry, symbol, data, input_section, output_bfd, error_message); @@ -284,36 +84,15 @@ _bfd_dlx_elf_hi16_reloc (abfd, reloc_entry, symbol, data, && output_bfd == (bfd *) NULL) ret = bfd_reloc_undefined; -#if 0 - { - unsigned long vallo, val; - - vallo = bfd_get_16 (abfd, (bfd_byte *) data + reloc_entry->address); - printf ("DEBUG: The relocation address = 0x%08x\n", reloc_entry->address); - printf ("DEBUG: The symbol = 0x%08x\n", vallo); - printf ("DEBUG: The symbol name = %s\n", bfd_asymbol_name (symbol)); - printf ("DEBUG: The symbol->value = 0x%08x\n", symbol->value); - printf ("DEBUG: The vma = 0x%08x\n", symbol->section->output_section->vma); - printf ("DEBUG: The output_offset = 0x%08x\n", symbol->section->output_offset); - printf ("DEBUG: The input_offset = 0x%08x\n", input_section->output_offset); - printf ("DEBUG: The input_vma = 0x%08x\n", input_section->vma); - printf ("DEBUG: The addend = 0x%08x\n", reloc_entry->addend); - } -#endif - relocation = (bfd_is_com_section (symbol->section)) ? 0 : symbol->value; relocation += symbol->section->output_section->vma; relocation += symbol->section->output_offset; relocation += reloc_entry->addend; relocation += bfd_get_16 (abfd, (bfd_byte *)data + reloc_entry->address); - if (reloc_entry->address > input_section->_cooked_size) + if (reloc_entry->address > bfd_get_section_limit (abfd, input_section)) return bfd_reloc_outofrange; -#if 0 - printf ("DEBUG: The finial relocation value = 0x%08x\n", relocation); -#endif - bfd_put_16 (abfd, (short)((relocation >> 16) & 0xFFFF), (bfd_byte *)data + reloc_entry->address); @@ -331,15 +110,13 @@ _bfd_dlx_elf_hi16_reloc (abfd, reloc_entry, symbol, data, relocatable output against an external symbol. */ static bfd_reloc_status_type -elf32_dlx_relocate16 (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 ATTRIBUTE_UNUSED; +elf32_dlx_relocate16 (bfd *abfd, + arelent *reloc_entry, + asymbol *symbol, + void * data, + asection *input_section, + bfd *output_bfd, + char **error_message ATTRIBUTE_UNUSED) { unsigned long insn, vallo, allignment; int val; @@ -353,17 +130,16 @@ elf32_dlx_relocate16 (abfd, reloc_entry, symbol, data, return bfd_elf_generic_reloc (abfd, reloc_entry, symbol, data, input_section, output_bfd, error_message); - /* Check undefined section and undefined symbols */ + /* Check undefined section and undefined symbols. */ if (bfd_is_und_section (symbol->section) && output_bfd == (bfd *) NULL) return bfd_reloc_undefined; - /* Can not support a long jump to sections other then .text */ + /* Can not support a long jump to sections other then .text. */ if (strcmp (input_section->name, symbol->section->output_section->name) != 0) { - fprintf (stderr, - "BFD Link Error: branch (PC rel16) to section (%s) not supported\n", - symbol->section->output_section->name); + (*_bfd_error_handler) (_("BFD Link Error: branch (PC rel16) to section (%s) not supported"), + symbol->section->output_section->name); return bfd_reloc_undefined; } @@ -383,19 +159,6 @@ elf32_dlx_relocate16 (abfd, reloc_entry, symbol, data, val = (symbol->section->output_offset + symbol->section->output_section->vma + symbol->value) - vallo; -#if 0 - printf ("DEBUG elf32_dlx_relocate: We are here\n"); - printf ("DEBUG: The insn = 0x%08x\n", insn); - printf ("DEBUG: The vallo = 0x%08x\n", vallo); - printf ("DEBUG: The val = 0x%08x\n", val); - printf ("DEBUG: The symbol name = %s\n", bfd_asymbol_name (symbol)); - printf ("DEBUG: The symbol->value = 0x%08x\n", symbol->value); - printf ("DEBUG: The vma = 0x%08x\n", symbol->section->output_section->vma); - printf ("DEBUG: The lma = 0x%08x\n", symbol->section->output_section->lma); - printf ("DEBUG: The alignment_power = 0x%08x\n", symbol->section->output_section->alignment_power); - printf ("DEBUG: The output_offset = 0x%08x\n", symbol->section->output_offset); - printf ("DEBUG: The addend = 0x%08x\n", reloc_entry->addend); -#endif if (abs ((int) val) > 0x00007FFF) return bfd_reloc_outofrange; @@ -409,15 +172,13 @@ elf32_dlx_relocate16 (abfd, reloc_entry, symbol, data, } static bfd_reloc_status_type -elf32_dlx_relocate26 (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 ATTRIBUTE_UNUSED; +elf32_dlx_relocate26 (bfd *abfd, + arelent *reloc_entry, + asymbol *symbol, + void * data, + asection *input_section, + bfd *output_bfd, + char **error_message ATTRIBUTE_UNUSED) { unsigned long insn, vallo, allignment; int val; @@ -439,9 +200,8 @@ elf32_dlx_relocate26 (abfd, reloc_entry, symbol, data, /* Can not support a long jump to sections other then .text */ if (strcmp (input_section->name, symbol->section->output_section->name) != 0) { - fprintf (stderr, - "BFD Link Error: jump (PC rel26) to section (%s) not supported\n", - symbol->section->output_section->name); + (*_bfd_error_handler) (_("BFD Link Error: jump (PC rel26) to section (%s) not supported"), + symbol->section->output_section->name); return bfd_reloc_undefined; } @@ -461,21 +221,6 @@ elf32_dlx_relocate26 (abfd, reloc_entry, symbol, data, val = (symbol->section->output_offset + symbol->section->output_section->vma + symbol->value) - vallo; -#if 0 - printf ("DEBUG elf32_dlx_relocate26: We are here\n"); - printf ("DEBUG: The insn = 0x%08x\n", insn); - printf ("DEBUG: The vallo = 0x%08x\n", vallo); - printf ("DEBUG: The val = 0x%08x\n", val); - printf ("DEBUG: The abs(val) = 0x%08x\n", abs (val)); - printf ("DEBUG: The symbol name = %s\n", bfd_asymbol_name (symbol)); - printf ("DEBUG: The symbol->value = 0x%08x\n", symbol->value); - printf ("DEBUG: The vma = 0x%08x\n", symbol->section->output_section->vma); - printf ("DEBUG: The output_offset = 0x%08x\n", symbol->section->output_offset); - printf ("DEBUG: The input_vma = 0x%08x\n", input_section->output_section->vma); - printf ("DEBUG: The input_offset = 0x%08x\n", input_section->output_offset); - printf ("DEBUG: The input_name = %s\n", input_section->name); - printf ("DEBUG: The addend = 0x%08x\n", reloc_entry->addend); -#endif if (abs ((int) val) > 0x01FFFFFF) return bfd_reloc_outofrange; @@ -487,13 +232,170 @@ elf32_dlx_relocate26 (abfd, reloc_entry, symbol, data, return bfd_reloc_ok; } +static reloc_howto_type dlx_elf_howto_table[]= +{ + /* No relocation. */ + HOWTO (R_DLX_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_DLX_NONE", /* Name. */ + FALSE, /* Partial_inplace. */ + 0, /* Src_mask. */ + 0, /* Dst_mask. */ + FALSE), /* PCrel_offset. */ + + /* 8 bit relocation. */ + HOWTO (R_DLX_RELOC_8, /* Type. */ + 0, /* Rightshift. */ + 0, /* Size (0 = byte, 1 = short, 2 = long). */ + 8, /* Bitsize. */ + FALSE, /* PC_relative. */ + 0, /* Bitpos. */ + complain_overflow_dont,/* Complain_on_overflow. */ + bfd_elf_generic_reloc, /* Special_function. */ + "R_DLX_RELOC_8", /* Name. */ + TRUE, /* Partial_inplace. */ + 0xff, /* Src_mask. */ + 0xff, /* Dst_mask. */ + FALSE), /* PCrel_offset. */ + + /* 16 bit relocation. */ + HOWTO (R_DLX_RELOC_16, /* Type. */ + 0, /* Rightshift. */ + 1, /* Size (0 = byte, 1 = short, 2 = long). */ + 16, /* Bitsize. */ + FALSE, /* PC_relative. */ + 0, /* Bitpos. */ + complain_overflow_dont,/* Complain_on_overflow. */ + bfd_elf_generic_reloc, /* Special_function. */ + "R_DLX_RELOC_16", /* Name. */ + TRUE, /* Partial_inplace. */ + 0xffff, /* Src_mask. */ + 0xffff, /* Dst_mask. */ + FALSE), /* PCrel_offset. */ + + /* 32 bit relocation. */ + HOWTO (R_DLX_RELOC_32, /* Type. */ + 0, /* Rightshift. */ + 2, /* Size (0 = byte, 1 = short, 2 = long). */ + 32, /* Bitsize. */ + FALSE, /* PC_relative. */ + 0, /* Bitpos. */ + complain_overflow_dont,/* Complain_on_overflow. */ + bfd_elf_generic_reloc, /* Special_function. */ + "R_DLX_RELOC_32", /* Name. */ + TRUE, /* Partial_inplace. */ + 0xffffffff, /* Src_mask. */ + 0xffffffff, /* Dst_mask. */ + FALSE), /* PCrel_offset. */ + + /* GNU extension to record C++ vtable hierarchy. */ + HOWTO (R_DLX_GNU_VTINHERIT, /* Type. */ + 0, /* Rightshift. */ + 2, /* Size (0 = byte, 1 = short, 2 = long). */ + 0, /* Bitsize. */ + FALSE, /* PC_relative. */ + 0, /* Bitpos. */ + complain_overflow_dont,/* Complain_on_overflow. */ + NULL, /* Special_function. */ + "R_DLX_GNU_VTINHERIT", /* Name. */ + FALSE, /* Partial_inplace. */ + 0, /* Src_mask. */ + 0, /* Dst_mask. */ + FALSE), /* PCrel_offset. */ + + /* GNU extension to record C++ vtable member usage. */ + HOWTO (R_DLX_GNU_VTENTRY, /* Type. */ + 0, /* Rightshift. */ + 2, /* Size (0 = byte, 1 = short, 2 = long). */ + 0, /* Bitsize. */ + FALSE, /* PC_relative. */ + 0, /* Bitpos. */ + complain_overflow_dont,/* Complain_on_overflow. */ + _bfd_elf_rel_vtable_reloc_fn,/* Special_function. */ + "R_DLX_GNU_VTENTRY", /* Name. */ + FALSE, /* Partial_inplace. */ + 0, /* Src_mask. */ + 0, /* Dst_mask. */ + FALSE) /* PCrel_offset. */ +}; + +/* 16 bit offset for pc-relative branches. */ +static reloc_howto_type elf_dlx_gnu_rel16_s2 = + HOWTO (R_DLX_RELOC_16_PCREL, /* Type. */ + 0, /* Rightshift. */ + 1, /* Size (0 = byte, 1 = short, 2 = long). */ + 16, /* Bitsize. */ + TRUE, /* PC_relative. */ + 0, /* Bitpos. */ + complain_overflow_signed, /* Complain_on_overflow. */ + elf32_dlx_relocate16, /* Special_function. */ + "R_DLX_RELOC_16_PCREL",/* Name. */ + TRUE, /* Partial_inplace. */ + 0xffff, /* Src_mask. */ + 0xffff, /* Dst_mask. */ + TRUE); /* PCrel_offset. */ + +/* 26 bit offset for pc-relative branches. */ +static reloc_howto_type elf_dlx_gnu_rel26_s2 = + HOWTO (R_DLX_RELOC_26_PCREL, /* Type. */ + 0, /* Rightshift. */ + 2, /* Size (0 = byte, 1 = short, 2 = long). */ + 26, /* Bitsize. */ + TRUE, /* PC_relative. */ + 0, /* Bitpos. */ + complain_overflow_dont,/* Complain_on_overflow. */ + elf32_dlx_relocate26, /* Special_function. */ + "R_DLX_RELOC_26_PCREL",/* Name. */ + TRUE, /* Partial_inplace. */ + 0xffff, /* Src_mask. */ + 0xffff, /* Dst_mask. */ + TRUE); /* PCrel_offset. */ + +/* High 16 bits of symbol value. */ +static reloc_howto_type elf_dlx_reloc_16_hi = + HOWTO (R_DLX_RELOC_16_HI, /* Type. */ + 16, /* Rightshift. */ + 2, /* Size (0 = byte, 1 = short, 2 = long). */ + 32, /* Bitsize. */ + FALSE, /* PC_relative. */ + 0, /* Bitpos. */ + complain_overflow_dont,/* Complain_on_overflow. */ + _bfd_dlx_elf_hi16_reloc,/* Special_function. */ + "R_DLX_RELOC_16_HI", /* Name. */ + TRUE, /* Partial_inplace. */ + 0xFFFF, /* Src_mask. */ + 0xffff, /* Dst_mask. */ + FALSE); /* PCrel_offset. */ + + /* Low 16 bits of symbol value. */ +static reloc_howto_type elf_dlx_reloc_16_lo = + HOWTO (R_DLX_RELOC_16_LO, /* Type. */ + 0, /* Rightshift. */ + 1, /* Size (0 = byte, 1 = short, 2 = long). */ + 16, /* Bitsize. */ + FALSE, /* PC_relative. */ + 0, /* Bitpos. */ + complain_overflow_dont,/* Complain_on_overflow. */ + bfd_elf_generic_reloc, /* Special_function. */ + "R_DLX_RELOC_16_LO", /* Name. */ + TRUE, /* Partial_inplace. */ + 0xffff, /* Src_mask. */ + 0xffff, /* Dst_mask. */ + FALSE); /* PCrel_offset. */ + /* A mapping from BFD reloc types to DLX ELF reloc types. Stolen from elf32-mips.c. More about this table - for dlx elf relocation we do not really need this table, if we have a rtype defined in this table will caused tc_gen_relocate confused and die on us, but if we remove - this table it will caused more problem, so for now simple soulation + this table it will caused more problem, so for now simple solution is to remove those entries which may cause problem. */ struct elf_reloc_map { @@ -502,44 +404,36 @@ struct elf_reloc_map }; static const struct elf_reloc_map dlx_reloc_map[] = - { - { BFD_RELOC_NONE, R_DLX_NONE }, - { BFD_RELOC_16, R_DLX_RELOC_16 }, -#if 0 - { BFD_RELOC_DLX_JMP26, R_DLX_RELOC_26_PCREL }, -#endif - { BFD_RELOC_32, R_DLX_RELOC_32 }, - { BFD_RELOC_DLX_HI16_S, R_DLX_RELOC_16_HI }, - { BFD_RELOC_DLX_LO16, R_DLX_RELOC_16_LO }, - { BFD_RELOC_VTABLE_INHERIT, R_DLX_GNU_VTINHERIT }, - { BFD_RELOC_VTABLE_ENTRY, R_DLX_GNU_VTENTRY } - }; - +{ + { BFD_RELOC_NONE, R_DLX_NONE }, + { BFD_RELOC_16, R_DLX_RELOC_16 }, + { BFD_RELOC_32, R_DLX_RELOC_32 }, + { BFD_RELOC_DLX_HI16_S, R_DLX_RELOC_16_HI }, + { BFD_RELOC_DLX_LO16, R_DLX_RELOC_16_LO }, + { BFD_RELOC_VTABLE_INHERIT, R_DLX_GNU_VTINHERIT }, + { BFD_RELOC_VTABLE_ENTRY, R_DLX_GNU_VTENTRY } +}; /* Look through the relocs for a section during the first phase. Since we don't do .gots or .plts, we just need to consider the virtual table relocs for gc. */ static bfd_boolean -elf32_dlx_check_relocs (abfd, info, sec, relocs) - bfd *abfd; - struct bfd_link_info *info; - asection *sec; - const Elf_Internal_Rela *relocs; +elf32_dlx_check_relocs (bfd *abfd, + struct bfd_link_info *info, + asection *sec, + const Elf_Internal_Rela *relocs) { Elf_Internal_Shdr *symtab_hdr; - struct elf_link_hash_entry **sym_hashes, **sym_hashes_end; + struct elf_link_hash_entry **sym_hashes; const Elf_Internal_Rela *rel; const Elf_Internal_Rela *rel_end; - if (info->relocatable) + if (bfd_link_relocatable (info)) return TRUE; symtab_hdr = &elf_tdata (abfd)->symtab_hdr; sym_hashes = elf_sym_hashes (abfd); - sym_hashes_end = sym_hashes + symtab_hdr->sh_size / sizeof (Elf32_External_Sym); - if (!elf_bad_symtab (abfd)) - sym_hashes_end -= symtab_hdr->sh_info; rel_end = relocs + sec->reloc_count; for (rel = relocs; rel < rel_end; rel++) @@ -551,21 +445,32 @@ elf32_dlx_check_relocs (abfd, info, sec, relocs) if (r_symndx < symtab_hdr->sh_info) h = NULL; else - h = sym_hashes[r_symndx - symtab_hdr->sh_info]; + { + h = sym_hashes[r_symndx - symtab_hdr->sh_info]; + while (h->root.type == bfd_link_hash_indirect + || h->root.type == bfd_link_hash_warning) + h = (struct elf_link_hash_entry *) h->root.u.i.link; + + /* PR15323, ref flags aren't set for references in the same + object. */ + h->root.non_ir_ref = 1; + } switch (ELF32_R_TYPE (rel->r_info)) { /* This relocation describes the C++ object vtable hierarchy. Reconstruct it for later use during GC. */ case R_DLX_GNU_VTINHERIT: - if (!_bfd_elf32_gc_record_vtinherit (abfd, sec, h, rel->r_offset)) + if (!bfd_elf_gc_record_vtinherit (abfd, sec, h, rel->r_offset)) return FALSE; break; /* This relocation describes which C++ vtable entries are actually used. Record for later use during GC. */ case R_DLX_GNU_VTENTRY: - if (!_bfd_elf32_gc_record_vtentry (abfd, sec, h, rel->r_addend)) + BFD_ASSERT (h != NULL); + if (h != NULL + && !bfd_elf_gc_record_vtentry (abfd, sec, h, rel->r_addend)) return FALSE; break; } @@ -577,9 +482,8 @@ elf32_dlx_check_relocs (abfd, info, sec, relocs) /* Given a BFD reloc type, return a howto structure. */ static reloc_howto_type * -elf32_dlx_reloc_type_lookup (abfd, code) - bfd *abfd ATTRIBUTE_UNUSED; - bfd_reloc_code_real_type code; +elf32_dlx_reloc_type_lookup (bfd *abfd ATTRIBUTE_UNUSED, + bfd_reloc_code_real_type code) { unsigned int i; @@ -604,45 +508,65 @@ elf32_dlx_reloc_type_lookup (abfd, code) } static reloc_howto_type * -dlx_rtype_to_howto (r_type) - unsigned int r_type; +elf32_dlx_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED, + const char *r_name) +{ + unsigned int i; + + for (i = 0; + i < sizeof (dlx_elf_howto_table) / sizeof (dlx_elf_howto_table[0]); + i++) + if (dlx_elf_howto_table[i].name != NULL + && strcasecmp (dlx_elf_howto_table[i].name, r_name) == 0) + return &dlx_elf_howto_table[i]; + + if (strcasecmp (elf_dlx_gnu_rel16_s2.name, r_name) == 0) + return &elf_dlx_gnu_rel16_s2; + if (strcasecmp (elf_dlx_gnu_rel26_s2.name, r_name) == 0) + return &elf_dlx_gnu_rel26_s2; + if (strcasecmp (elf_dlx_reloc_16_hi.name, r_name) == 0) + return &elf_dlx_reloc_16_hi; + if (strcasecmp (elf_dlx_reloc_16_lo.name, r_name) == 0) + return &elf_dlx_reloc_16_lo; + + return NULL; +} + +static reloc_howto_type * +dlx_rtype_to_howto (unsigned int r_type) { switch (r_type) { case R_DLX_RELOC_16_PCREL: return & elf_dlx_gnu_rel16_s2; - break; case R_DLX_RELOC_26_PCREL: return & elf_dlx_gnu_rel26_s2; - break; case R_DLX_RELOC_16_HI: return & elf_dlx_reloc_16_hi; - break; case R_DLX_RELOC_16_LO: return & elf_dlx_reloc_16_lo; - break; - default: - BFD_ASSERT (r_type < (unsigned int) R_DLX_max); + if (r_type >= (unsigned int) R_DLX_max) + { + _bfd_error_handler (_("Invalid DLX reloc number: %d"), r_type); + r_type = 0; + } return & dlx_elf_howto_table[r_type]; - break; } } static void -elf32_dlx_info_to_howto (abfd, cache_ptr, dst) - bfd * abfd ATTRIBUTE_UNUSED; - arelent * cache_ptr ATTRIBUTE_UNUSED; - Elf_Internal_Rela * dst ATTRIBUTE_UNUSED; +elf32_dlx_info_to_howto (bfd * abfd ATTRIBUTE_UNUSED, + arelent * cache_ptr ATTRIBUTE_UNUSED, + Elf_Internal_Rela * dst ATTRIBUTE_UNUSED) { abort (); } static void -elf32_dlx_info_to_howto_rel (abfd, cache_ptr, dst) - bfd *abfd ATTRIBUTE_UNUSED; - arelent *cache_ptr; - Elf_Internal_Rela *dst; +elf32_dlx_info_to_howto_rel (bfd *abfd ATTRIBUTE_UNUSED, + arelent *cache_ptr, + Elf_Internal_Rela *dst) { unsigned int r_type; @@ -651,7 +575,7 @@ elf32_dlx_info_to_howto_rel (abfd, cache_ptr, dst) return; } -#define TARGET_BIG_SYM bfd_elf32_dlx_big_vec +#define TARGET_BIG_SYM dlx_elf32_be_vec #define TARGET_BIG_NAME "elf32-dlx" #define ELF_ARCH bfd_arch_dlx #define ELF_MACHINE_CODE EM_DLX