/* DLX specific support for 32-bit ELF
- Copyright 2002, 2003 Free Software Foundation, Inc.
+ Copyright (C) 2002-2020 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,
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));
-
+#include "elf32-dlx.h"
#define USE_REL 1
#define bfd_elf32_bfd_reloc_type_lookup elf32_dlx_reloc_type_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 */
-
+#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
/* 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
static int skip_dlx_elf_hi16_reloc = 0;
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;
/* 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);
+ input_section, output_bfd, error_message);
/* If we're relocating, and this an external symbol, we don't want
to change anything. */
&& 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);
+ (bfd_byte *)data + reloc_entry->address);
return ret;
}
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;
+ int val;
/* HACK: I think this first condition is necessary when producing
relocatable output. After the end of HACK, the code is identical
if (skip_dlx_elf_hi16_reloc)
return bfd_elf_generic_reloc (abfd, reloc_entry, symbol, data,
- input_section, output_bfd, error_message);
+ 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
+ (_("branch (PC rel16) to section (%s) not supported"),
+ symbol->section->output_section->name);
return bfd_reloc_undefined;
}
/* vallo points to the vma of next instruction. */
vallo += (((unsigned long)(input_section->output_section->vma +
- input_section->output_offset) +
- allignment) & ~allignment);
+ input_section->output_offset) +
+ allignment) & ~allignment);
/* val is the displacement (PC relative to next instruction). */
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;
insn = (insn & 0xFFFF0000) | (val & 0x0000FFFF);
bfd_put_32 (abfd, insn,
- (bfd_byte *) data + reloc_entry->address);
+ (bfd_byte *) data + reloc_entry->address);
return bfd_reloc_ok;
}
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;
+ int val;
/* HACK: I think this first condition is necessary when producing
relocatable output. After the end of HACK, the code is identical
if (skip_dlx_elf_hi16_reloc)
return bfd_elf_generic_reloc (abfd, reloc_entry, symbol, data,
- input_section, output_bfd, error_message);
+ input_section, output_bfd, error_message);
/* Check undefined section and undefined symbols. */
if (bfd_is_und_section (symbol->section)
/* 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
+ (_("jump (PC rel26) to section (%s) not supported"),
+ symbol->section->output_section->name);
return bfd_reloc_undefined;
}
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;
insn = (insn & 0xFC000000) | (val & 0x03FFFFFF);
bfd_put_32 (abfd, insn,
- (bfd_byte *) data + reloc_entry->address);
+ (bfd_byte *) data + reloc_entry->address);
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.
};
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++)
r_symndx = ELF32_R_SYM (rel->r_info);
if (r_symndx < symtab_hdr->sh_info)
- h = NULL;
+ 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;
+ }
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))
- 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))
- return FALSE;
- break;
- }
+ {
+ /* This relocation describes the C++ object vtable hierarchy.
+ Reconstruct it for later use during GC. */
+ case R_DLX_GNU_VTINHERIT:
+ 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_elf_gc_record_vtentry (abfd, sec, h, rel->r_addend))
+ return FALSE;
+ break;
+ }
}
return TRUE;
/* 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;
}
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 (bfd *abfd, 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 (_("%pB: unsupported relocation type %#x"),
+ abfd, r_type);
+ bfd_set_error (bfd_error_bad_value);
+ return NULL;
+ }
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;
+static bfd_boolean
+elf32_dlx_info_to_howto (bfd * abfd ATTRIBUTE_UNUSED,
+ arelent * cache_ptr ATTRIBUTE_UNUSED,
+ Elf_Internal_Rela * dst ATTRIBUTE_UNUSED)
{
- abort ();
+ return FALSE;
}
-static void
-elf32_dlx_info_to_howto_rel (abfd, cache_ptr, dst)
- bfd *abfd ATTRIBUTE_UNUSED;
- arelent *cache_ptr;
- Elf_Internal_Rela *dst;
+static bfd_boolean
+elf32_dlx_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);
- cache_ptr->howto = dlx_rtype_to_howto (r_type);
- return;
+ cache_ptr->howto = dlx_rtype_to_howto (abfd, r_type);
+ return cache_ptr->howto != NULL;
}
-#define TARGET_BIG_SYM bfd_elf32_dlx_big_vec
-#define TARGET_BIG_NAME "elf32-dlx"
-#define ELF_ARCH bfd_arch_dlx
-#define ELF_MACHINE_CODE EM_DLX
-#define ELF_MAXPAGESIZE 1 /* FIXME: This number is wrong, It should be the page size in bytes. */
+#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
+#define ELF_MAXPAGESIZE 1 /* FIXME: This number is wrong, It should be the page size in bytes. */
#include "elf32-target.h"
projects / deliverable / binutils-gdb.git / blobdiff