/* DLX specific support for 32-bit ELF
- Copyright 2002, 2003, 2004, 2005 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,
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"
+#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
+#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;
-extern int set_dlx_skip_hi16_flag (int);
-
int
set_dlx_skip_hi16_flag (int flag)
{
fixup like mips gld did. */
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. */
return bfd_reloc_outofrange;
bfd_put_16 (abfd, (short)((relocation >> 16) & 0xFFFF),
- (bfd_byte *)data + reloc_entry->address);
+ (bfd_byte *)data + reloc_entry->address);
return ret;
}
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: 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 +
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;
}
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;
}
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. */
- 0, /* size (0 = byte, 1 = short, 2 = long). */
- 0, /* Bitsize. */
- FALSE, /* PC_relative. */
- 0, /* Bitpos. */
+ 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. */
+ "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. */
+ 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. */
+ "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. */
+ 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. */
+ "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. */
+ 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. */
+ "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. */
+ HOWTO (R_DLX_GNU_VTINHERIT, /* Type. */
0, /* Rightshift. */
2, /* Size (0 = byte, 1 = short, 2 = long). */
0, /* Bitsize. */
FALSE), /* PCrel_offset. */
/* GNU extension to record C++ vtable member usage. */
- HOWTO (R_DLX_GNU_VTENTRY, /* Type. */
+ HOWTO (R_DLX_GNU_VTENTRY, /* Type. */
0, /* Rightshift. */
2, /* Size (0 = byte, 1 = short, 2 = long). */
0, /* Bitsize. */
complain_overflow_dont,/* Complain_on_overflow. */
_bfd_elf_rel_vtable_reloc_fn,/* Special_function. */
"R_DLX_GNU_VTENTRY", /* Name. */
- FALSE, /* Partial_inplace. */
+ FALSE, /* Partial_inplace. */
0, /* Src_mask. */
0, /* Dst_mask. */
- FALSE) /* PCrel_offset. */
+ 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. */
+ 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. */
+ elf32_dlx_relocate16, /* Special_function. */
"R_DLX_RELOC_16_PCREL",/* Name. */
- TRUE, /* Partial_inplace. */
- 0xffff, /* Src_mask. */
- 0xffff, /* Dst_mask. */
- TRUE); /* PCrel_offset. */
+ 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. */
+ 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. */
+ elf32_dlx_relocate26, /* Special_function. */
"R_DLX_RELOC_26_PCREL",/* Name. */
- TRUE, /* Partial_inplace. */
- 0xffff, /* Src_mask. */
- 0xffff, /* Dst_mask. */
- TRUE); /* PCrel_offset. */
+ 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. */
+ 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. */
+ "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. */
+ 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. */
+ "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 },
- { BFD_RELOC_32, R_DLX_RELOC_32 },
+ { 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_DLX_LO16, R_DLX_RELOC_16_LO },
{ BFD_RELOC_VTABLE_INHERIT, R_DLX_GNU_VTINHERIT },
{ BFD_RELOC_VTABLE_ENTRY, R_DLX_GNU_VTENTRY }
};
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];
}
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_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;
- }
+ {
+ /* 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;
}
static reloc_howto_type *
-dlx_rtype_to_howto (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_LO:
return & elf_dlx_reloc_16_lo;
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];
}
}
-static void
+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 (bfd *abfd ATTRIBUTE_UNUSED,
+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 / thirdparty / binutils-gdb.git / blobdiff