/* DLX specific support for 32-bit ELF
- Copyright 2002 Free Software Foundation, Inc.
+ Copyright (C) 2002-2019 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 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 *, Elf32_Internal_Rela *));
-static void elf32_dlx_info_to_howto_rel
- PARAMS ((bfd *, arelent *, Elf32_Internal_Rel *));
-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 */
+#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
-/* 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
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;
}
-/* ELF relocs are against symbols. If we are producing relocateable
+/* ELF relocs are against symbols. If we are producing relocatable
output, and the reloc is against an external symbol, and nothing
has given us any additional addend, the resulting reloc will also
be against the same symbol. In such a case, we don't want to
all be done at final link time. Rather than put special case code
into bfd_perform_relocation, all the reloc types use this howto
function. It just short circuits the reloc if producing
- relocateable output against an external symbol. */
+ 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.
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
{
};
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 boolean
-elf32_dlx_check_relocs (abfd, info, sec, relocs)
- bfd *abfd;
- struct bfd_link_info *info;
- asection *sec;
- const Elf_Internal_Rela *relocs;
+static bfd_boolean
+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->relocateable)
- return true;
+ 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;
+ 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;
- Elf32_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;
- Elf32_Internal_Rel *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