/* ADI Blackfin BFD support for 32-bit ELF.
- Copyright 2005, 2006, 2007 Free Software Foundation, Inc.
+ Copyright (C) 2005-2020 Free Software Foundation, Inc.
This file is part of BFD, the Binary File Descriptor library.
#include "libbfd.h"
#include "elf-bfd.h"
#include "elf/bfin.h"
-#include "elf/dwarf2.h"
+#include "dwarf2.h"
#include "hashtab.h"
+#include "elf32-bfin.h"
/* FUNCTION : bfin_pltpc_reloc
ABSTRACT : TODO : figure out how to handle pltpc relocs. */
bfd *abfd ATTRIBUTE_UNUSED,
arelent *reloc_entry ATTRIBUTE_UNUSED,
asymbol *symbol ATTRIBUTE_UNUSED,
- PTR data ATTRIBUTE_UNUSED,
+ void * data ATTRIBUTE_UNUSED,
asection *input_section ATTRIBUTE_UNUSED,
bfd *output_bfd ATTRIBUTE_UNUSED,
char **error_message ATTRIBUTE_UNUSED)
static bfd_reloc_status_type
bfin_pcrel24_reloc (bfd *abfd,
- arelent *reloc_entry,
- asymbol *symbol,
- PTR data,
- asection *input_section,
- bfd *output_bfd,
- char **error_message ATTRIBUTE_UNUSED)
+ arelent *reloc_entry,
+ asymbol *symbol,
+ void * data,
+ asection *input_section,
+ bfd *output_bfd,
+ char **error_message ATTRIBUTE_UNUSED)
{
bfd_vma relocation;
bfd_size_type addr = reloc_entry->address;
/* if rightshift is 1 and the number odd, return error. */
if (howto->rightshift && (relocation & 0x01))
{
- fprintf(stderr, "relocation should be even number\n");
+ _bfd_error_handler (_("relocation should be even number"));
return bfd_reloc_overflow;
}
static bfd_reloc_status_type
bfin_imm16_reloc (bfd *abfd,
- arelent *reloc_entry,
- asymbol *symbol,
- PTR data,
- asection *input_section,
- bfd *output_bfd,
- char **error_message ATTRIBUTE_UNUSED)
+ arelent *reloc_entry,
+ asymbol *symbol,
+ void * data,
+ asection *input_section,
+ bfd *output_bfd,
+ char **error_message ATTRIBUTE_UNUSED)
{
bfd_vma relocation, x;
bfd_size_type reloc_addr = reloc_entry->address;
static bfd_reloc_status_type
bfin_byte4_reloc (bfd *abfd,
- arelent *reloc_entry,
- asymbol *symbol,
- PTR data,
- asection *input_section,
- bfd *output_bfd,
- char **error_message ATTRIBUTE_UNUSED)
+ arelent *reloc_entry,
+ asymbol *symbol,
+ void * data,
+ asection *input_section,
+ bfd *output_bfd,
+ char **error_message ATTRIBUTE_UNUSED)
{
bfd_vma relocation, x;
bfd_size_type addr = reloc_entry->address;
static bfd_reloc_status_type
bfin_bfd_reloc (bfd *abfd,
arelent *reloc_entry,
- asymbol *symbol,
- PTR data,
- asection *input_section,
- bfd *output_bfd,
- char **error_message ATTRIBUTE_UNUSED)
+ asymbol *symbol,
+ void * data,
+ asection *input_section,
+ bfd *output_bfd,
+ char **error_message ATTRIBUTE_UNUSED)
{
bfd_vma relocation;
bfd_size_type addr = reloc_entry->address;
/* Here the variable relocation holds the final address of the
symbol we are relocating against, plus any addend. */
- if (howto->pc_relative == TRUE)
+ if (howto->pc_relative)
{
relocation -= input_section->output_section->vma + input_section->output_offset;
- if (howto->pcrel_offset == TRUE)
- relocation -= reloc_entry->address;
+ if (howto->pcrel_offset)
+ relocation -= reloc_entry->address;
}
if (relocatable)
bfd_reloc_status_type status;
status = bfd_check_overflow (howto->complain_on_overflow,
- howto->bitsize,
- howto->rightshift,
- bfd_arch_bits_per_address(abfd),
- relocation);
+ howto->bitsize,
+ howto->rightshift,
+ bfd_arch_bits_per_address(abfd),
+ relocation);
if (status != bfd_reloc_ok)
return status;
}
/* If rightshift is 1 and the number odd, return error. */
if (howto->rightshift && (relocation & 0x01))
{
- fprintf(stderr, "relocation should be even number\n");
+ _bfd_error_handler (_("relocation should be even number"));
return bfd_reloc_overflow;
}
{
case 0:
{
- char x = bfd_get_8 (abfd, (char *) data + addr);
- DOIT (x);
- bfd_put_8 (abfd, x, (unsigned char *) data + addr);
+ char x = bfd_get_8 (abfd, (char *) data + addr);
+ DOIT (x);
+ bfd_put_8 (abfd, x, (unsigned char *) data + addr);
}
break;
case 1:
{
- unsigned short x = bfd_get_16 (abfd, (bfd_byte *) data + addr);
- DOIT (x);
- bfd_put_16 (abfd, (bfd_vma) x, (unsigned char *) data + addr);
+ unsigned short x = bfd_get_16 (abfd, (bfd_byte *) data + addr);
+ DOIT (x);
+ bfd_put_16 (abfd, (bfd_vma) x, (unsigned char *) data + addr);
}
break;
static reloc_howto_type bfin_howto_table [] =
{
/* This reloc does nothing. . */
- HOWTO (R_unused0, /* type. */
+ HOWTO (R_BFIN_UNUSED0, /* type. */
0, /* rightshift. */
- 2, /* size (0 = byte, 1 = short, 2 = long). */
- 32, /* bitsize. */
+ 3, /* size (0 = byte, 1 = short, 2 = long). */
+ 0, /* bitsize. */
FALSE, /* pc_relative. */
0, /* bitpos. */
- complain_overflow_bitfield, /* complain_on_overflow. */
+ complain_overflow_dont, /* complain_on_overflow. */
bfd_elf_generic_reloc, /* special_function. */
- "R_unused0", /* name. */
+ "R_BFIN_UNUSED0", /* name. */
FALSE, /* partial_inplace. */
0, /* src_mask. */
0, /* dst_mask. */
FALSE), /* pcrel_offset. */
- HOWTO (R_pcrel5m2, /* type. */
+ HOWTO (R_BFIN_PCREL5M2, /* type. */
1, /* rightshift. */
1, /* size (0 = byte, 1 = short, 2 = long).. */
4, /* bitsize. */
0, /* bitpos. */
complain_overflow_unsigned, /* complain_on_overflow. */
bfin_bfd_reloc, /* special_function. */
- "R_pcrel5m2", /* name. */
+ "R_BFIN_PCREL5M2", /* name. */
FALSE, /* partial_inplace. */
0, /* src_mask. */
0x0000000F, /* dst_mask. */
FALSE), /* pcrel_offset. */
- HOWTO (R_unused1, /* type. */
+ HOWTO (R_BFIN_UNUSED1, /* type. */
0, /* rightshift. */
- 2, /* size (0 = byte, 1 = short, 2 = long). */
- 32, /* bitsize. */
+ 3, /* size (0 = byte, 1 = short, 2 = long). */
+ 0, /* bitsize. */
FALSE, /* pc_relative. */
0, /* bitpos. */
- complain_overflow_bitfield, /* complain_on_overflow. */
+ complain_overflow_dont, /* complain_on_overflow. */
bfd_elf_generic_reloc, /* special_function. */
- "R_unused1", /* name. */
+ "R_BFIN_UNUSED1", /* name. */
FALSE, /* partial_inplace. */
0, /* src_mask. */
0, /* dst_mask. */
FALSE), /* pcrel_offset. */
- HOWTO (R_pcrel10, /* type. */
+ HOWTO (R_BFIN_PCREL10, /* type. */
1, /* rightshift. */
1, /* size (0 = byte, 1 = short, 2 = long). */
10, /* bitsize. */
0, /* bitpos. */
complain_overflow_signed, /* complain_on_overflow. */
bfin_bfd_reloc, /* special_function. */
- "R_pcrel10", /* name. */
+ "R_BFIN_PCREL10", /* name. */
FALSE, /* partial_inplace. */
0, /* src_mask. */
0x000003FF, /* dst_mask. */
TRUE), /* pcrel_offset. */
- HOWTO (R_pcrel12_jump, /* type. */
+ HOWTO (R_BFIN_PCREL12_JUMP, /* type. */
1, /* rightshift. */
/* the offset is actually 13 bit
aligned on a word boundary so
0, /* bitpos. */
complain_overflow_signed, /* complain_on_overflow. */
bfin_bfd_reloc, /* special_function. */
- "R_pcrel12_jump", /* name. */
+ "R_BFIN_PCREL12_JUMP", /* name. */
FALSE, /* partial_inplace. */
0, /* src_mask. */
0x0FFF, /* dst_mask. */
TRUE), /* pcrel_offset. */
- HOWTO (R_rimm16, /* type. */
+ HOWTO (R_BFIN_RIMM16, /* type. */
0, /* rightshift. */
1, /* size (0 = byte, 1 = short, 2 = long). */
16, /* bitsize. */
0, /* bitpos. */
complain_overflow_signed, /* complain_on_overflow. */
bfin_imm16_reloc, /* special_function. */
- "R_rimm16", /* name. */
+ "R_BFIN_RIMM16", /* name. */
FALSE, /* partial_inplace. */
0, /* src_mask. */
0x0000FFFF, /* dst_mask. */
TRUE), /* pcrel_offset. */
- HOWTO (R_luimm16, /* type. */
+ HOWTO (R_BFIN_LUIMM16, /* type. */
0, /* rightshift. */
1, /* size (0 = byte, 1 = short, 2 = long). */
16, /* bitsize. */
0, /* bitpos. */
complain_overflow_dont, /* complain_on_overflow. */
bfin_imm16_reloc, /* special_function. */
- "R_luimm16", /* name. */
+ "R_BFIN_LUIMM16", /* name. */
FALSE, /* partial_inplace. */
0, /* src_mask. */
0x0000FFFF, /* dst_mask. */
TRUE), /* pcrel_offset. */
- HOWTO (R_huimm16, /* type. */
+ HOWTO (R_BFIN_HUIMM16, /* type. */
16, /* rightshift. */
1, /* size (0 = byte, 1 = short, 2 = long). */
16, /* bitsize. */
0, /* bitpos. */
complain_overflow_unsigned, /* complain_on_overflow. */
bfin_imm16_reloc, /* special_function. */
- "R_huimm16", /* name. */
+ "R_BFIN_HUIMM16", /* name. */
FALSE, /* partial_inplace. */
0, /* src_mask. */
0x0000FFFF, /* dst_mask. */
TRUE), /* pcrel_offset. */
- HOWTO (R_pcrel12_jump_s, /* type. */
+ HOWTO (R_BFIN_PCREL12_JUMP_S, /* type. */
1, /* rightshift. */
1, /* size (0 = byte, 1 = short, 2 = long). */
12, /* bitsize. */
0, /* bitpos. */
complain_overflow_signed, /* complain_on_overflow. */
bfin_bfd_reloc, /* special_function. */
- "R_pcrel12_jump_s", /* name. */
+ "R_BFIN_PCREL12_JUMP_S", /* name. */
FALSE, /* partial_inplace. */
0, /* src_mask. */
0x00000FFF, /* dst_mask. */
TRUE), /* pcrel_offset. */
- HOWTO (R_pcrel24_jump_x, /* type. */
- 1, /* rightshift. */
- 2, /* size (0 = byte, 1 = short, 2 = long). */
- 24, /* bitsize. */
- TRUE, /* pc_relative. */
- 0, /* bitpos. */
- complain_overflow_signed, /* complain_on_overflow. */
- bfin_pcrel24_reloc, /* special_function. */
- "R_pcrel24_jump_x", /* name. */
+ HOWTO (R_BFIN_PCREL24_JUMP_X, /* type. */
+ 1, /* rightshift. */
+ 2, /* size (0 = byte, 1 = short, 2 = long). */
+ 24, /* bitsize. */
+ TRUE, /* pc_relative. */
+ 0, /* bitpos. */
+ complain_overflow_signed, /* complain_on_overflow. */
+ bfin_pcrel24_reloc, /* special_function. */
+ "R_BFIN_PCREL24_JUMP_X", /* name. */
FALSE, /* partial_inplace. */
0, /* src_mask. */
0x00FFFFFF, /* dst_mask. */
TRUE), /* pcrel_offset. */
- HOWTO (R_pcrel24, /* type. */
+ HOWTO (R_BFIN_PCREL24, /* type. */
1, /* rightshift. */
2, /* size (0 = byte, 1 = short, 2 = long). */
24, /* bitsize. */
0, /* bitpos. */
complain_overflow_signed, /* complain_on_overflow. */
bfin_pcrel24_reloc, /* special_function. */
- "R_pcrel24", /* name. */
+ "R_BFIN_PCREL24", /* name. */
FALSE, /* partial_inplace. */
0, /* src_mask. */
0x00FFFFFF, /* dst_mask. */
TRUE), /* pcrel_offset. */
- HOWTO (R_unusedb, /* type. */
+ HOWTO (R_BFIN_UNUSEDB, /* type. */
0, /* rightshift. */
- 2, /* size (0 = byte, 1 = short, 2 = long). */
- 32, /* bitsize. */
+ 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_unusedb", /* name. */
+ "R_BFIN_UNUSEDB", /* name. */
FALSE, /* partial_inplace. */
0, /* src_mask. */
0, /* dst_mask. */
FALSE), /* pcrel_offset. */
- HOWTO (R_unusedc, /* type. */
+ HOWTO (R_BFIN_UNUSEDC, /* type. */
0, /* rightshift. */
- 2, /* size (0 = byte, 1 = short, 2 = long). */
- 32, /* bitsize. */
+ 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_unusedc", /* name. */
+ "R_BFIN_UNUSEDC", /* name. */
FALSE, /* partial_inplace. */
0, /* src_mask. */
0, /* dst_mask. */
FALSE), /* pcrel_offset. */
- HOWTO (R_pcrel24_jump_l, /* type. */
+ HOWTO (R_BFIN_PCREL24_JUMP_L, /* type. */
1, /* rightshift. */
2, /* size (0 = byte, 1 = short, 2 = long). */
24, /* bitsize. */
0, /* bitpos. */
complain_overflow_signed, /* complain_on_overflow. */
bfin_pcrel24_reloc, /* special_function. */
- "R_pcrel24_jump_l", /* name. */
+ "R_BFIN_PCREL24_JUMP_L", /* name. */
FALSE, /* partial_inplace. */
0, /* src_mask. */
0x00FFFFFF, /* dst_mask. */
TRUE), /* pcrel_offset. */
- HOWTO (R_pcrel24_call_x, /* type. */
+ HOWTO (R_BFIN_PCREL24_CALL_X, /* type. */
1, /* rightshift. */
2, /* size (0 = byte, 1 = short, 2 = long). */
24, /* bitsize. */
0, /* bitpos. */
complain_overflow_signed, /* complain_on_overflow. */
bfin_pcrel24_reloc, /* special_function. */
- "R_pcrel24_call_x", /* name. */
+ "R_BFIN_PCREL24_CALL_X", /* name. */
FALSE, /* partial_inplace. */
0, /* src_mask. */
0x00FFFFFF, /* dst_mask. */
TRUE), /* pcrel_offset. */
- HOWTO (R_var_eq_symb, /* type. */
+ HOWTO (R_BFIN_VAR_EQ_SYMB, /* type. */
0, /* rightshift. */
2, /* size (0 = byte, 1 = short, 2 = long). */
32, /* bitsize. */
0, /* bitpos. */
complain_overflow_bitfield, /* complain_on_overflow. */
bfin_bfd_reloc, /* special_function. */
- "R_var_eq_symb", /* name. */
+ "R_BFIN_VAR_EQ_SYMB", /* name. */
FALSE, /* partial_inplace. */
0, /* src_mask. */
0, /* dst_mask. */
FALSE), /* pcrel_offset. */
- HOWTO (R_byte_data, /* type. */
+ HOWTO (R_BFIN_BYTE_DATA, /* type. */
0, /* rightshift. */
0, /* size (0 = byte, 1 = short, 2 = long). */
8, /* bitsize. */
0, /* bitpos. */
complain_overflow_unsigned, /* complain_on_overflow. */
bfin_bfd_reloc, /* special_function. */
- "R_byte_data", /* name. */
+ "R_BFIN_BYTE_DATA", /* name. */
FALSE, /* partial_inplace. */
0, /* src_mask. */
0xFF, /* dst_mask. */
TRUE), /* pcrel_offset. */
- HOWTO (R_byte2_data, /* type. */
+ HOWTO (R_BFIN_BYTE2_DATA, /* type. */
0, /* rightshift. */
1, /* size (0 = byte, 1 = short, 2 = long). */
16, /* bitsize. */
0, /* bitpos. */
complain_overflow_signed, /* complain_on_overflow. */
bfin_bfd_reloc, /* special_function. */
- "R_byte2_data", /* name. */
+ "R_BFIN_BYTE2_DATA", /* name. */
FALSE, /* partial_inplace. */
0, /* src_mask. */
0xFFFF, /* dst_mask. */
TRUE), /* pcrel_offset. */
- HOWTO (R_byte4_data, /* type. */
+ HOWTO (R_BFIN_BYTE4_DATA, /* type. */
0, /* rightshift. */
2, /* size (0 = byte, 1 = short, 2 = long). */
32, /* bitsize. */
0, /* bitpos. */
complain_overflow_unsigned, /* complain_on_overflow. */
bfin_byte4_reloc, /* special_function. */
- "R_byte4_data", /* name. */
+ "R_BFIN_BYTE4_DATA", /* name. */
FALSE, /* partial_inplace. */
0, /* src_mask. */
0xFFFFFFFF, /* dst_mask. */
TRUE), /* pcrel_offset. */
- HOWTO (R_pcrel11, /* type. */
+ HOWTO (R_BFIN_PCREL11, /* type. */
1, /* rightshift. */
1, /* size (0 = byte, 1 = short, 2 = long). */
10, /* bitsize. */
0, /* bitpos. */
complain_overflow_unsigned, /* complain_on_overflow. */
bfin_bfd_reloc, /* special_function. */
- "R_pcrel11", /* name. */
+ "R_BFIN_PCREL11", /* name. */
FALSE, /* partial_inplace. */
0, /* src_mask. */
0x000003FF, /* dst_mask. */
/* A 18-bit signed operand with the GOT offset for the address of
the symbol. */
- HOWTO (R_BFIN_GOT17M4, /* type */
+ HOWTO (R_BFIN_GOT17M4, /* type */
2, /* rightshift */
1, /* size (0 = byte, 1 = short, 2 = long) */
16, /* bitsize */
bfd_elf_generic_reloc, /* special_function */
"R_BFIN_GOT17M4", /* name */
FALSE, /* partial_inplace */
- 0xffff, /* src_mask */
- 0xffff, /* dst_mask */
- FALSE), /* pcrel_offset */
+ 0xffff, /* src_mask */
+ 0xffff, /* dst_mask */
+ FALSE), /* pcrel_offset */
/* The upper 16 bits of the GOT offset for the address of the
symbol. */
- HOWTO (R_BFIN_GOTHI, /* type */
+ HOWTO (R_BFIN_GOTHI, /* type */
0, /* rightshift */
1, /* size (0 = byte, 1 = short, 2 = long) */
16, /* bitsize */
bfd_elf_generic_reloc, /* special_function */
"R_BFIN_GOTHI", /* name */
FALSE, /* partial_inplace */
- 0xffff, /* src_mask */
+ 0xffff, /* src_mask */
0xffff, /* dst_mask */
- FALSE), /* pcrel_offset */
+ FALSE), /* pcrel_offset */
/* The lower 16 bits of the GOT offset for the address of the
symbol. */
- HOWTO (R_BFIN_GOTLO, /* type */
+ HOWTO (R_BFIN_GOTLO, /* type */
0, /* rightshift */
1, /* size (0 = byte, 1 = short, 2 = long) */
16, /* bitsize */
FALSE, /* partial_inplace */
0xffff, /* src_mask */
0xffff, /* dst_mask */
- FALSE), /* pcrel_offset */
+ FALSE), /* pcrel_offset */
/* The 32-bit address of the canonical descriptor of a function. */
HOWTO (R_BFIN_FUNCDESC, /* type */
bfd_elf_generic_reloc, /* special_function */
"R_BFIN_FUNCDESC_GOT17M4", /* name */
FALSE, /* partial_inplace */
- 0xffff, /* src_mask */
- 0xffff, /* dst_mask */
- FALSE), /* pcrel_offset */
+ 0xffff, /* src_mask */
+ 0xffff, /* dst_mask */
+ FALSE), /* pcrel_offset */
/* The upper 16 bits of the GOT offset for the address of the
canonical descriptor of a function. */
FALSE, /* partial_inplace */
0xffff, /* src_mask */
0xffff, /* dst_mask */
- FALSE), /* pcrel_offset */
+ FALSE), /* pcrel_offset */
/* The lower 16 bits of the GOT offset for the address of the
canonical descriptor of a function. */
FALSE, /* partial_inplace */
0xffff, /* src_mask */
0xffff, /* dst_mask */
- FALSE), /* pcrel_offset */
+ FALSE), /* pcrel_offset */
/* The 32-bit address of the canonical descriptor of a function. */
HOWTO (R_BFIN_FUNCDESC_VALUE, /* type */
bfd_elf_generic_reloc, /* special_function */
"R_BFIN_FUNCDESC_GOTOFF17M4", /* name */
FALSE, /* partial_inplace */
- 0xffff, /* src_mask */
- 0xffff, /* dst_mask */
- FALSE), /* pcrel_offset */
+ 0xffff, /* src_mask */
+ 0xffff, /* dst_mask */
+ FALSE), /* pcrel_offset */
/* The upper 16 bits of the GOT offset for the address of the
canonical descriptor of a function. */
FALSE, /* partial_inplace */
0xffff, /* src_mask */
0xffff, /* dst_mask */
- FALSE), /* pcrel_offset */
+ FALSE), /* pcrel_offset */
/* The lower 16 bits of the GOT offset for the address of the
canonical descriptor of a function. */
FALSE, /* partial_inplace */
0xffff, /* src_mask */
0xffff, /* dst_mask */
- FALSE), /* pcrel_offset */
+ FALSE), /* pcrel_offset */
/* A 12-bit signed operand with the GOT offset for the address of
the symbol. */
- HOWTO (R_BFIN_GOTOFF17M4, /* type */
+ HOWTO (R_BFIN_GOTOFF17M4, /* type */
2, /* rightshift */
1, /* size (0 = byte, 1 = short, 2 = long) */
16, /* bitsize */
bfd_elf_generic_reloc, /* special_function */
"R_BFIN_GOTOFF17M4", /* name */
FALSE, /* partial_inplace */
- 0xffff, /* src_mask */
- 0xffff, /* dst_mask */
- FALSE), /* pcrel_offset */
+ 0xffff, /* src_mask */
+ 0xffff, /* dst_mask */
+ FALSE), /* pcrel_offset */
/* The upper 16 bits of the GOT offset for the address of the
symbol. */
- HOWTO (R_BFIN_GOTOFFHI, /* type */
+ HOWTO (R_BFIN_GOTOFFHI, /* type */
0, /* rightshift */
1, /* size (0 = byte, 1 = short, 2 = long) */
16, /* bitsize */
FALSE, /* partial_inplace */
0xffff, /* src_mask */
0xffff, /* dst_mask */
- FALSE), /* pcrel_offset */
+ FALSE), /* pcrel_offset */
/* The lower 16 bits of the GOT offset for the address of the
symbol. */
FALSE, /* partial_inplace */
0xffff, /* src_mask */
0xffff, /* dst_mask */
- FALSE), /* pcrel_offset */
+ FALSE), /* pcrel_offset */
};
static reloc_howto_type bfin_gnuext_howto_table [] =
{
- HOWTO (R_pltpc, /* type. */
+ HOWTO (R_BFIN_PLTPC, /* type. */
0, /* rightshift. */
1, /* size (0 = byte, 1 = short, 2 = long). */
16, /* bitsize. */
0, /* bitpos. */
complain_overflow_bitfield, /* complain_on_overflow. */
bfin_pltpc_reloc, /* special_function. */
- "R_pltpc", /* name. */
+ "R_BFIN_PLTPC", /* name. */
FALSE, /* partial_inplace. */
0xffff, /* src_mask. */
0xffff, /* dst_mask. */
FALSE), /* pcrel_offset. */
- HOWTO (R_got, /* type. */
+ HOWTO (R_BFIN_GOT, /* type. */
0, /* rightshift. */
1, /* size (0 = byte, 1 = short, 2 = long). */
16, /* bitsize. */
0, /* bitpos. */
complain_overflow_bitfield, /* complain_on_overflow. */
bfd_elf_generic_reloc, /* special_function. */
- "R_got", /* name. */
+ "R_BFIN_GOT", /* name. */
FALSE, /* partial_inplace. */
0x7fff, /* src_mask. */
0x7fff, /* dst_mask. */
FALSE), /* pcrel_offset. */
/* GNU extension to record C++ vtable hierarchy. */
- HOWTO (R_BFIN_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_BFIN_GNU_VTINHERIT", /* name. */
- FALSE, /* partial_inplace. */
- 0, /* src_mask. */
- 0, /* dst_mask. */
- FALSE), /* pcrel_offset. */
+ HOWTO (R_BFIN_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_BFIN_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_BFIN_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_BFIN_GNU_VTENTRY", /* name. */
- FALSE, /* partial_inplace. */
- 0, /* src_mask. */
- 0, /* dst_mask. */
- FALSE) /* pcrel_offset. */
+ 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_BFIN_GNU_VTENTRY", /* name. */
+ FALSE, /* partial_inplace. */
+ 0, /* src_mask. */
+ 0, /* dst_mask. */
+ FALSE) /* pcrel_offset. */
};
struct bfin_reloc_map
{
- bfd_reloc_code_real_type bfd_reloc_val;
+ bfd_reloc_code_real_type bfd_reloc_val;
unsigned int bfin_reloc_val;
};
static const struct bfin_reloc_map bfin_reloc_map [] =
{
- { BFD_RELOC_NONE, R_unused0 },
- { BFD_RELOC_BFIN_5_PCREL, R_pcrel5m2 },
- { BFD_RELOC_NONE, R_unused1 },
- { BFD_RELOC_BFIN_10_PCREL, R_pcrel10 },
- { BFD_RELOC_BFIN_12_PCREL_JUMP, R_pcrel12_jump },
- { BFD_RELOC_BFIN_16_IMM, R_rimm16 },
- { BFD_RELOC_BFIN_16_LOW, R_luimm16 },
- { BFD_RELOC_BFIN_16_HIGH, R_huimm16 },
- { BFD_RELOC_BFIN_12_PCREL_JUMP_S, R_pcrel12_jump_s },
- { BFD_RELOC_24_PCREL, R_pcrel24 },
- { BFD_RELOC_24_PCREL, R_pcrel24 },
- { BFD_RELOC_BFIN_24_PCREL_JUMP_L, R_pcrel24_jump_l },
- { BFD_RELOC_NONE, R_unusedb },
- { BFD_RELOC_NONE, R_unusedc },
- { BFD_RELOC_BFIN_24_PCREL_CALL_X, R_pcrel24_call_x },
- { BFD_RELOC_8, R_byte_data },
- { BFD_RELOC_16, R_byte2_data },
- { BFD_RELOC_32, R_byte4_data },
- { BFD_RELOC_BFIN_11_PCREL, R_pcrel11 },
- { BFD_RELOC_BFIN_GOT, R_got },
- { BFD_RELOC_BFIN_PLTPC, R_pltpc },
+ { BFD_RELOC_NONE, R_BFIN_UNUSED0 },
+ { BFD_RELOC_BFIN_5_PCREL, R_BFIN_PCREL5M2 },
+ { BFD_RELOC_NONE, R_BFIN_UNUSED1 },
+ { BFD_RELOC_BFIN_10_PCREL, R_BFIN_PCREL10 },
+ { BFD_RELOC_BFIN_12_PCREL_JUMP, R_BFIN_PCREL12_JUMP },
+ { BFD_RELOC_BFIN_16_IMM, R_BFIN_RIMM16 },
+ { BFD_RELOC_BFIN_16_LOW, R_BFIN_LUIMM16 },
+ { BFD_RELOC_BFIN_16_HIGH, R_BFIN_HUIMM16 },
+ { BFD_RELOC_BFIN_12_PCREL_JUMP_S, R_BFIN_PCREL12_JUMP_S },
+ { BFD_RELOC_24_PCREL, R_BFIN_PCREL24 },
+ { BFD_RELOC_24_PCREL, R_BFIN_PCREL24 },
+ { BFD_RELOC_BFIN_24_PCREL_JUMP_L, R_BFIN_PCREL24_JUMP_L },
+ { BFD_RELOC_NONE, R_BFIN_UNUSEDB },
+ { BFD_RELOC_NONE, R_BFIN_UNUSEDC },
+ { BFD_RELOC_BFIN_24_PCREL_CALL_X, R_BFIN_PCREL24_CALL_X },
+ { BFD_RELOC_8, R_BFIN_BYTE_DATA },
+ { BFD_RELOC_16, R_BFIN_BYTE2_DATA },
+ { BFD_RELOC_32, R_BFIN_BYTE4_DATA },
+ { BFD_RELOC_BFIN_11_PCREL, R_BFIN_PCREL11 },
+ { BFD_RELOC_BFIN_GOT, R_BFIN_GOT },
+ { BFD_RELOC_BFIN_PLTPC, R_BFIN_PLTPC },
{ BFD_RELOC_BFIN_GOT17M4, R_BFIN_GOT17M4 },
{ BFD_RELOC_BFIN_GOTHI, R_BFIN_GOTHI },
};
-static void
-bfin_info_to_howto (bfd *abfd ATTRIBUTE_UNUSED,
- arelent *cache_ptr,
- Elf_Internal_Rela *dst)
+static bfd_boolean
+bfin_info_to_howto (bfd *abfd,
+ arelent *cache_ptr,
+ Elf_Internal_Rela *dst)
{
unsigned int r_type;
cache_ptr->howto = &bfin_gnuext_howto_table [r_type - BFIN_GNUEXT_RELOC_MIN];
else
- cache_ptr->howto = (reloc_howto_type *) NULL;
+ {
+ /* xgettext:c-format */
+ _bfd_error_handler (_("%pB: unsupported relocation type %#x"),
+ abfd, r_type);
+ bfd_set_error (bfd_error_bad_value);
+ return FALSE;
+ }
+
+ return TRUE;
}
/* Given a BFD reloc type, return the howto. */
bfd_reloc_code_real_type code)
{
unsigned int i;
- unsigned int r_type = BFIN_RELOC_MIN;
+ unsigned int r_type = (unsigned int) -1;
- for (i = sizeof (bfin_reloc_map) / sizeof (bfin_reloc_map[0]); --i;)
+ for (i = sizeof (bfin_reloc_map) / sizeof (bfin_reloc_map[0]); i--;)
if (bfin_reloc_map[i].bfd_reloc_val == code)
r_type = bfin_reloc_map[i].bfin_reloc_val;
- if (r_type <= BFIN_RELOC_MAX && r_type > BFIN_RELOC_MIN)
+ if (r_type <= BFIN_RELOC_MAX)
return &bfin_howto_table [r_type];
else if (r_type >= BFIN_GNUEXT_RELOC_MIN && r_type <= BFIN_GNUEXT_RELOC_MAX)
/* Given a bfin relocation type, return the howto. */
static reloc_howto_type *
bfin_reloc_type_lookup (bfd * abfd ATTRIBUTE_UNUSED,
- unsigned int r_type)
+ unsigned int r_type)
{
if (r_type <= BFIN_RELOC_MAX)
return &bfin_howto_table [r_type];
return (reloc_howto_type *) NULL;
}
+/* Set by ld emulation if --code-in-l1. */
+bfd_boolean elf32_bfin_code_in_l1 = 0;
+
+/* Set by ld emulation if --data-in-l1. */
+bfd_boolean elf32_bfin_data_in_l1 = 0;
+
+static bfd_boolean
+elf32_bfin_final_write_processing (bfd *abfd)
+{
+ if (elf32_bfin_code_in_l1)
+ elf_elfheader (abfd)->e_flags |= EF_BFIN_CODE_IN_L1;
+ if (elf32_bfin_data_in_l1)
+ elf_elfheader (abfd)->e_flags |= EF_BFIN_DATA_IN_L1;
+ return _bfd_elf_final_write_processing (abfd);
+}
+
/* Return TRUE if the name is a local label.
bfin local labels begin with L$. */
static bfd_boolean
-bfin_is_local_label_name (
- bfd *abfd,
- const char *label)
+bfin_is_local_label_name (bfd *abfd, const char *label)
{
if (label[0] == 'L' && label[1] == '$' )
return TRUE;
bfin_check_relocs (bfd * abfd,
struct bfd_link_info *info,
asection *sec,
- const Elf_Internal_Rela *relocs)
+ const Elf_Internal_Rela *relocs)
{
bfd *dynobj;
Elf_Internal_Shdr *symtab_hdr;
const Elf_Internal_Rela *rel_end;
asection *sgot;
asection *srelgot;
- if (info->relocatable)
+
+ if (bfd_link_relocatable (info))
return TRUE;
dynobj = elf_hash_table (info)->dynobj;
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];
+ }
switch (ELF32_R_TYPE (rel->r_info))
{
/* This relocation describes the C++ object vtable hierarchy.
- Reconstruct it for later use during GC. */
- case R_BFIN_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_BFIN_GNU_VTENTRY:
- BFD_ASSERT (h != NULL);
- if (h != NULL
- && !bfd_elf_gc_record_vtentry (abfd, sec, h, rel->r_addend))
- return FALSE;
- break;
-
- case R_got:
+ Reconstruct it for later use during GC. */
+ case R_BFIN_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_BFIN_GNU_VTENTRY:
+ if (!bfd_elf_gc_record_vtentry (abfd, sec, h, rel->r_addend))
+ return FALSE;
+ break;
+
+ case R_BFIN_GOT:
if (h != NULL
&& strcmp (h->root.root.string, "__GLOBAL_OFFSET_TABLE_") == 0)
break;
return FALSE;
}
- if (sgot == NULL)
- {
- sgot = bfd_get_section_by_name (dynobj, ".got");
- BFD_ASSERT (sgot != NULL);
- }
-
- if (srelgot == NULL && (h != NULL || info->shared))
- {
- srelgot = bfd_get_section_by_name (dynobj, ".rela.got");
- if (srelgot == NULL)
- {
- flagword flags = (SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS
- | SEC_IN_MEMORY | SEC_LINKER_CREATED
- | SEC_READONLY);
- srelgot = bfd_make_section_with_flags (dynobj, ".rela.got",
- flags);
- if (srelgot == NULL
- || !bfd_set_section_alignment (dynobj, srelgot, 2))
- return FALSE;
- }
- }
+ sgot = elf_hash_table (info)->sgot;
+ srelgot = elf_hash_table (info)->srelgot;
+ BFD_ASSERT (sgot != NULL);
if (h != NULL)
{
if (local_got_refcounts[r_symndx] == 0)
{
sgot->size += 4;
- if (info->shared)
+ if (bfd_link_pic (info))
{
/* If we are generating a shared object, we need to
- output a R_68K_RELATIVE reloc so that the dynamic
- linker can adjust this GOT entry. */
+ output a R_68K_RELATIVE reloc so that the dynamic
+ linker can adjust this GOT entry. */
srelgot->size += sizeof (Elf32_External_Rela);
}
}
}
static enum elf_reloc_type_class
-elf32_bfin_reloc_type_class (const Elf_Internal_Rela * rela)
+elf32_bfin_reloc_type_class (const struct bfd_link_info *info ATTRIBUTE_UNUSED,
+ const asection *rel_sec ATTRIBUTE_UNUSED,
+ const Elf_Internal_Rela * rela)
{
switch ((int) ELF32_R_TYPE (rela->r_info))
{
{
int r_type = ELF32_R_TYPE (rel->r_info);
- if (r_type == R_pcrel24 || r_type == R_pcrel24_jump_l)
+ if (r_type == R_BFIN_PCREL24 || r_type == R_BFIN_PCREL24_JUMP_L)
{
bfd_reloc_status_type r = bfd_reloc_ok;
bfd_vma x;
}
if (r_type == R_BFIN_GNU_VTENTRY
- || r_type == R_BFIN_GNU_VTINHERIT)
+ || r_type == R_BFIN_GNU_VTINHERIT)
continue;
howto = bfin_reloc_type_lookup (input_bfd, r_type);
}
else
{
- bfd_boolean warned;
+ bfd_boolean warned, ignored;
RELOC_FOR_GLOBAL_SYMBOL (info, input_bfd, input_section, rel,
r_symndx, symtab_hdr, sym_hashes,
h, sec, relocation,
- unresolved_reloc, warned);
+ unresolved_reloc, warned, ignored);
}
- if (sec != NULL && elf_discarded_section (sec))
- {
- /* For relocs against symbols from removed linkonce sections,
- or sections discarded by a linker script, we just want the
- section contents zeroed. Avoid any special processing. */
- _bfd_clear_contents (howto, input_bfd, contents + rel->r_offset);
- rel->r_info = 0;
- rel->r_addend = 0;
- continue;
- }
+ if (sec != NULL && discarded_section (sec))
+ RELOC_AGAINST_DISCARDED_SECTION (info, input_bfd, input_section,
+ rel, 1, relend, howto, 0, contents);
- if (info->relocatable)
+ if (bfd_link_relocatable (info))
continue;
address = rel->r_offset;
case R_BFIN_GNU_VTENTRY:
return bfd_reloc_ok;
- case R_got:
+ case R_BFIN_GOT:
/* Relocation is to the address of the entry for this symbol
in the global offset table. */
if (h != NULL
{
bfd_vma off;
- if (dynobj == NULL)
- {
- /* Create the .got section. */
- elf_hash_table (info)->dynobj = dynobj = output_bfd;
- if (!_bfd_elf_create_got_section (dynobj, info))
- return FALSE;
- }
-
- if (sgot == NULL)
+ if (dynobj == NULL)
{
- sgot = bfd_get_section_by_name (dynobj, ".got");
- BFD_ASSERT (sgot != NULL);
+ /* Create the .got section. */
+ elf_hash_table (info)->dynobj = dynobj = output_bfd;
+ if (!_bfd_elf_create_got_section (dynobj, info))
+ return FALSE;
}
+ sgot = elf_hash_table (info)->sgot;
+ BFD_ASSERT (sgot != NULL);
+
if (h != NULL)
{
bfd_boolean dyn;
BFD_ASSERT (off != (bfd_vma) - 1);
dyn = elf_hash_table (info)->dynamic_sections_created;
- if (!WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, info->shared, h)
- || (info->shared
+ if (!WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn,
+ bfd_link_pic (info),
+ h)
+ || (bfd_link_pic (info)
&& (info->symbolic
|| h->dynindx == -1
|| h->forced_local)
{
bfd_put_32 (output_bfd, relocation, sgot->contents + off);
- if (info->shared)
+ if (bfd_link_pic (info))
{
asection *s;
Elf_Internal_Rela outrel;
bfd_byte *loc;
- s = bfd_get_section_by_name (dynobj, ".rela.got");
+ s = elf_hash_table (info)->srelgot;
BFD_ASSERT (s != NULL);
outrel.r_offset = (sgot->output_section->vma
+ sgot->output_offset + off);
outrel.r_info =
- ELF32_R_INFO (0, R_pcrel24);
+ ELF32_R_INFO (0, R_BFIN_PCREL24);
outrel.r_addend = relocation;
loc = s->contents;
loc +=
relocation = sgot->output_offset + off;
rel->r_addend = 0;
- /* bfin : preg = [preg + 17bitdiv4offset] relocation is div by 4. */
- relocation /= 4;
+ /* bfin : preg = [preg + 17bitdiv4offset] relocation is div by 4. */
+ relocation /= 4;
}
goto do_default;
}
/* Dynamic relocs are not propagated for SEC_DEBUGGING sections
- because such sections are not SEC_ALLOC and thus ld.so will
- not process them. */
+ because such sections are not SEC_ALLOC and thus ld.so will
+ not process them. */
if (unresolved_reloc
- && !((input_section->flags & SEC_DEBUGGING) != 0 && h->def_dynamic))
+ && !((input_section->flags & SEC_DEBUGGING) != 0 && h->def_dynamic)
+ && _bfd_elf_section_offset (output_bfd, info, input_section,
+ rel->r_offset) != (bfd_vma) -1)
{
- (*_bfd_error_handler)
- (_("%B(%A+0x%lx): unresolvable relocation against symbol `%s'"),
- input_bfd,
- input_section, (long) rel->r_offset, h->root.root.string);
+ _bfd_error_handler
+ /* xgettext:c-format */
+ (_("%pB(%pA+%#" PRIx64 "): "
+ "unresolvable relocation against symbol `%s'"),
+ input_bfd, input_section, (uint64_t) rel->r_offset,
+ h->root.root.string);
return FALSE;
}
if (name == NULL)
return FALSE;
if (*name == '\0')
- name = bfd_section_name (input_bfd, sec);
+ name = bfd_section_name (sec);
}
if (r == bfd_reloc_overflow)
- {
- if (!(info->callbacks->reloc_overflow
- (info, (h ? &h->root : NULL), name, howto->name,
- (bfd_vma) 0, input_bfd, input_section, rel->r_offset)))
- return FALSE;
- }
+ (*info->callbacks->reloc_overflow)
+ (info, (h ? &h->root : NULL), name, howto->name,
+ (bfd_vma) 0, input_bfd, input_section, rel->r_offset);
else
{
- (*_bfd_error_handler)
- (_("%B(%A+0x%lx): reloc against `%s': error %d"),
- input_bfd, input_section,
- (long) rel->r_offset, name, (int) r);
+ _bfd_error_handler
+ /* xgettext:c-format */
+ (_("%pB(%pA+%#" PRIx64 "): reloc against `%s': error %d"),
+ input_bfd, input_section, (uint64_t) rel->r_offset,
+ name, (int) r);
return FALSE;
}
}
struct bfd_link_info *info,
Elf_Internal_Rela * rel,
struct elf_link_hash_entry *h,
- Elf_Internal_Sym * sym)
+ Elf_Internal_Sym * sym)
{
if (h != NULL)
switch (ELF32_R_TYPE (rel->r_info))
return _bfd_elf_gc_mark_hook (sec, info, rel, h, sym);
}
-
-/* Update the got entry reference counts for the section being removed. */
-
-static bfd_boolean
-bfin_gc_sweep_hook (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;
- bfd_signed_vma *local_got_refcounts;
- const Elf_Internal_Rela *rel, *relend;
- bfd *dynobj;
- asection *sgot;
- asection *srelgot;
-
- dynobj = elf_hash_table (info)->dynobj;
- if (dynobj == NULL)
- return TRUE;
-
- symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
- sym_hashes = elf_sym_hashes (abfd);
- local_got_refcounts = elf_local_got_refcounts (abfd);
-
- sgot = bfd_get_section_by_name (dynobj, ".got");
- srelgot = bfd_get_section_by_name (dynobj, ".rela.got");
-
- relend = relocs + sec->reloc_count;
- for (rel = relocs; rel < relend; rel++)
- {
- unsigned long r_symndx;
- struct elf_link_hash_entry *h;
-
- switch (ELF32_R_TYPE (rel->r_info))
- {
- case R_got:
- r_symndx = ELF32_R_SYM (rel->r_info);
- if (r_symndx >= symtab_hdr->sh_info)
- {
- h = sym_hashes[r_symndx - symtab_hdr->sh_info];
- if (h->got.refcount > 0)
- {
- --h->got.refcount;
- if (h->got.refcount == 0)
- {
- /* We don't need the .got entry any more. */
- sgot->size -= 4;
- srelgot->size -= sizeof (Elf32_External_Rela);
- }
- }
- }
- else if (local_got_refcounts != NULL)
- {
- if (local_got_refcounts[r_symndx] > 0)
- {
- --local_got_refcounts[r_symndx];
- if (local_got_refcounts[r_symndx] == 0)
- {
- /* We don't need the .got entry any more. */
- sgot->size -= 4;
- if (info->shared)
- srelgot->size -= sizeof (Elf32_External_Rela);
- }
- }
- }
- break;
- default:
- break;
- }
- }
- return TRUE;
-}
\f
-extern const bfd_target bfd_elf32_bfinfdpic_vec;
-#define IS_FDPIC(bfd) ((bfd)->xvec == &bfd_elf32_bfinfdpic_vec)
+extern const bfd_target bfin_elf32_fdpic_vec;
+#define IS_FDPIC(bfd) ((bfd)->xvec == &bfin_elf32_fdpic_vec)
-/* An extension of the elf hash table data structure, containing some
- additional Blackfin-specific data. */
+/* An extension of the elf hash table data structure,
+ containing some additional Blackfin-specific data. */
struct bfinfdpic_elf_link_hash_table
{
struct elf_link_hash_table elf;
- /* A pointer to the .got section. */
- asection *sgot;
- /* A pointer to the .rel.got section. */
- asection *sgotrel;
/* A pointer to the .rofixup section. */
asection *sgotfixup;
- /* A pointer to the .plt section. */
- asection *splt;
- /* A pointer to the .rel.plt section. */
- asection *spltrel;
/* GOT base offset. */
bfd_vma got0;
/* Location of the first non-lazy PLT entry, i.e., the number of
/* A hash table holding information about which symbols were
referenced with which PIC-related relocations. */
struct htab *relocs_info;
+ /* Summary reloc information collected by
+ _bfinfdpic_count_got_plt_entries. */
+ struct _bfinfdpic_dynamic_got_info *g;
};
/* Get the Blackfin ELF linker hash table from a link_info structure. */
#define bfinfdpic_hash_table(info) \
- ((struct bfinfdpic_elf_link_hash_table *) ((info)->hash))
+ (elf_hash_table_id ((struct elf_link_hash_table *) ((info)->hash)) \
+ == BFIN_ELF_DATA ? ((struct bfinfdpic_elf_link_hash_table *) ((info)->hash)) : NULL)
#define bfinfdpic_got_section(info) \
- (bfinfdpic_hash_table (info)->sgot)
+ (bfinfdpic_hash_table (info)->elf.sgot)
#define bfinfdpic_gotrel_section(info) \
- (bfinfdpic_hash_table (info)->sgotrel)
+ (bfinfdpic_hash_table (info)->elf.srelgot)
#define bfinfdpic_gotfixup_section(info) \
(bfinfdpic_hash_table (info)->sgotfixup)
#define bfinfdpic_plt_section(info) \
- (bfinfdpic_hash_table (info)->splt)
+ (bfinfdpic_hash_table (info)->elf.splt)
#define bfinfdpic_pltrel_section(info) \
- (bfinfdpic_hash_table (info)->spltrel)
+ (bfinfdpic_hash_table (info)->elf.srelplt)
#define bfinfdpic_relocs_info(info) \
(bfinfdpic_hash_table (info)->relocs_info)
#define bfinfdpic_got_initial_offset(info) \
(bfinfdpic_hash_table (info)->got0)
#define bfinfdpic_plt_initial_offset(info) \
(bfinfdpic_hash_table (info)->plt0)
+#define bfinfdpic_dynamic_got_plt_info(info) \
+ (bfinfdpic_hash_table (info)->g)
/* The name of the dynamic interpreter. This is put in the .interp
section. */
bfinfdpic_elf_link_hash_table_create (bfd *abfd)
{
struct bfinfdpic_elf_link_hash_table *ret;
- bfd_size_type amt = sizeof (struct bfinfdpic_elf_link_hash_table);
+ size_t amt = sizeof (struct bfinfdpic_elf_link_hash_table);
- ret = bfd_zalloc (abfd, amt);
+ ret = bfd_zmalloc (amt);
if (ret == NULL)
return NULL;
if (!_bfd_elf_link_hash_table_init (&ret->elf, abfd,
_bfd_elf_link_hash_newfunc,
- sizeof (struct elf_link_hash_entry)))
+ sizeof (struct elf_link_hash_entry),
+ BFIN_ELF_DATA))
{
free (ret);
return NULL;
for symbol+addend. Should be implied by something like:
(plt || fdgotoff17m4 || fdgotofflohi
|| ((fd || fdgot17m4 || fdgothilo)
- && (symndx != -1 || BFINFDPIC_FUNCDESC_LOCAL (info, d.h)))) */
+ && (symndx != -1 || BFINFDPIC_FUNCDESC_LOCAL (info, d.h)))) */
unsigned privfd:1;
/* Whether a lazy PLT entry is needed for this symbol+addend.
Should be implied by something like:
needed for this symbol. */
unsigned done:1;
- /* The number of R_byte4_data, R_BFIN_FUNCDESC and R_BFIN_FUNCDESC_VALUE
+ /* The number of R_BFIN_BYTE4_DATA, R_BFIN_FUNCDESC and R_BFIN_FUNCDESC_VALUE
relocations referencing the symbol. */
unsigned relocs32, relocsfd, relocsfdv;
const struct bfinfdpic_relocs_info *entry,
enum insert_option insert)
{
- struct bfinfdpic_relocs_info **loc =
- (struct bfinfdpic_relocs_info **) htab_find_slot (ht, entry, insert);
+ struct bfinfdpic_relocs_info **loc;
+
+ if (!ht)
+ return NULL;
+
+ loc = (struct bfinfdpic_relocs_info **) htab_find_slot (ht, entry, insert);
if (! loc)
return NULL;
for memory allocation purposes. */
inline static struct bfinfdpic_relocs_info *
bfinfdpic_relocs_info_for_global (struct htab *ht,
- bfd *abfd,
- struct elf_link_hash_entry *h,
- bfd_vma addend,
- enum insert_option insert)
+ bfd *abfd,
+ struct elf_link_hash_entry *h,
+ bfd_vma addend,
+ enum insert_option insert)
{
struct bfinfdpic_relocs_info entry;
inline static void
bfinfdpic_pic_merge_early_relocs_info (struct bfinfdpic_relocs_info *e2,
- struct bfinfdpic_relocs_info const *e1)
+ struct bfinfdpic_relocs_info const *e1)
{
e2->got17m4 |= e1->got17m4;
e2->gothilo |= e1->gothilo;
static bfd_vma
_bfinfdpic_add_rofixup (bfd *output_bfd, asection *rofixup, bfd_vma offset,
- struct bfinfdpic_relocs_info *entry)
+ struct bfinfdpic_relocs_info *entry)
{
bfd_vma fixup_offset;
asection *sec,
Elf_Internal_Sym *sym,
bfd_vma addend)
-
{
- bfd_vma fd_lazy_rel_offset = (bfd_vma)-1;
+ bfd_vma fd_lazy_rel_offset = (bfd_vma) -1;
int dynindx = -1;
if (entry->done)
dynindx = entry->d.h->dynindx;
else
{
- if (sec->output_section
+ if (sec
+ && sec->output_section
&& ! bfd_is_abs_section (sec->output_section)
&& ! bfd_is_und_section (sec->output_section))
dynindx = elf_section_data (sec->output_section)->dynindx;
/* If we're linking an executable at a fixed address, we can
omit the dynamic relocation as long as the symbol is local to
this module. */
- if (info->executable && !info->pie
+ if (bfd_link_pde (info)
&& (entry->symndx != -1
|| BFINFDPIC_SYM_LOCAL (info, entry->d.h)))
{
+ bfinfdpic_got_section (info)
->output_section->vma
+ bfinfdpic_got_section (info)->output_offset,
- R_byte4_data, idx, ad, entry);
+ R_BFIN_BYTE4_DATA, idx, ad, entry);
bfd_put_32 (output_bfd, ad,
bfinfdpic_got_section (info)->contents
if (entry->symndx == -1
&& ! BFINFDPIC_FUNCDESC_LOCAL (info, entry->d.h)
&& BFINFDPIC_SYM_LOCAL (info, entry->d.h)
- && !(info->executable && !info->pie))
+ && !bfd_link_pde (info))
{
reloc = R_BFIN_FUNCDESC;
idx = elf_section_data (entry->d.h->root.u.def.section
so reference it directly. */
if (elf_hash_table (info)->dynamic_sections_created)
BFD_ASSERT (entry->privfd);
- reloc = R_byte4_data;
+ reloc = R_BFIN_BYTE4_DATA;
idx = elf_section_data (bfinfdpic_got_section (info)
->output_section)->dynindx;
ad = bfinfdpic_got_section (info)->output_offset
dynamic symbol entry for the got section, so idx will be
zero, which means we can and should compute the address
of the private descriptor ourselves. */
- if (info->executable && !info->pie
+ if (bfd_link_pde (info)
&& (entry->symndx != -1
|| BFINFDPIC_FUNCDESC_LOCAL (info, entry->d.h)))
{
/* If we're linking an executable at a fixed address, we can
omit the dynamic relocation as long as the symbol is local to
this module. */
- if (info->executable && !info->pie
+ if (bfd_link_pde (info)
&& (entry->symndx != -1 || BFINFDPIC_SYM_LOCAL (info, entry->d.h)))
{
if (sec)
/* If we've omitted the dynamic relocation, just emit the fixed
addresses of the symbol and of the local GOT base offset. */
- if (info->executable && !info->pie && sec && sec->output_section)
+ if (bfd_link_pde (info)
+ && sec
+ && sec->output_section)
{
lowword = ad;
highword = bfinfdpic_got_section (info)->output_section->vma
of the section. For a non-local function, it's
disregarded. */
lowword = ad;
- if (entry->symndx == -1 && entry->d.h->dynindx != -1
- && entry->d.h->dynindx == idx)
+ if (sec == NULL
+ || (entry->symndx == -1 && entry->d.h->dynindx != -1
+ && entry->d.h->dynindx == idx))
highword = 0;
else
highword = _bfinfdpic_osec_to_segment
Elf_Internal_Rela *relend;
unsigned isec_segment, got_segment, plt_segment,
check_segment[2];
- int silence_segment_error = !(info->shared || info->pie);
+ int silence_segment_error = !bfd_link_pic (info);
symtab_hdr = & elf_tdata (input_bfd)->symtab_hdr;
sym_hashes = elf_sym_hashes (input_bfd);
name = bfd_elf_string_from_elf_section
(input_bfd, symtab_hdr->sh_link, sym->st_name);
- name = (name == NULL) ? bfd_section_name (input_bfd, sec) : name;
+ name = name == NULL ? bfd_section_name (sec) : name;
}
else
{
- bfd_boolean warned;
+ bfd_boolean warned, ignored;
bfd_boolean unresolved_reloc;
RELOC_FOR_GLOBAL_SYMBOL (info, input_bfd, input_section, rel,
r_symndx, symtab_hdr, sym_hashes,
h, sec, relocation,
- unresolved_reloc, warned);
+ unresolved_reloc, warned, ignored);
osec = sec;
}
- if (sec != NULL && elf_discarded_section (sec))
- {
- /* For relocs against symbols from removed linkonce sections,
- or sections discarded by a linker script, we just want the
- section contents zeroed. Avoid any special processing. */
- _bfd_clear_contents (howto, input_bfd, contents + rel->r_offset);
- rel->r_info = 0;
- rel->r_addend = 0;
- continue;
- }
+ if (sec != NULL && discarded_section (sec))
+ RELOC_AGAINST_DISCARDED_SECTION (info, input_bfd, input_section,
+ rel, 1, relend, howto, 0, contents);
- if (info->relocatable)
+ if (bfd_link_relocatable (info))
continue;
if (h != NULL
switch (r_type)
{
- case R_pcrel24:
- case R_pcrel24_jump_l:
- case R_byte4_data:
+ case R_BFIN_PCREL24:
+ case R_BFIN_PCREL24_JUMP_L:
+ case R_BFIN_BYTE4_DATA:
if (! IS_FDPIC (output_bfd))
goto non_fdpic;
+ /* Fall through. */
case R_BFIN_GOT17M4:
case R_BFIN_GOTHI:
osec, sym,
rel->r_addend))
{
- (*_bfd_error_handler)
- (_("%B: relocation at `%A+0x%x' references symbol `%s' with nonzero addend"),
- input_bfd, input_section, rel->r_offset, name);
+ _bfd_error_handler
+ /* xgettext:c-format */
+ (_("%pB: relocation at `%pA+%#" PRIx64 "' "
+ "references symbol `%s' with nonzero addend"),
+ input_bfd, input_section, (uint64_t) rel->r_offset, name);
return FALSE;
}
default:
non_fdpic:
picrel = NULL;
- if (h && ! BFINFDPIC_SYM_LOCAL (info, h))
+ if (h && ! BFINFDPIC_SYM_LOCAL (info, h)
+ && _bfd_elf_section_offset (output_bfd, info, input_section,
+ rel->r_offset) != (bfd_vma) -1)
{
info->callbacks->warning
(info, _("relocation references symbol not defined in the module"),
switch (r_type)
{
- case R_pcrel24:
- case R_pcrel24_jump_l:
+ case R_BFIN_PCREL24:
+ case R_BFIN_PCREL24_JUMP_L:
check_segment[0] = isec_segment;
if (! IS_FDPIC (output_bfd))
check_segment[1] = isec_segment;
section+offset. */
if (h && ! BFINFDPIC_FUNCDESC_LOCAL (info, h)
&& BFINFDPIC_SYM_LOCAL (info, h)
- && !(info->executable && !info->pie))
+ && !bfd_link_pde (info))
{
dynindx = elf_section_data (h->root.u.def.section
->output_section)->dynindx;
/* Otherwise, we know we have a private function
descriptor, so reference it directly. */
BFD_ASSERT (picrel->privfd);
- r_type = R_byte4_data;
+ r_type = R_BFIN_BYTE4_DATA;
dynindx = elf_section_data (bfinfdpic_got_section (info)
->output_section)->dynindx;
addend = bfinfdpic_got_section (info)->output_offset
dynamic symbol entry for the got section, so idx will
be zero, which means we can and should compute the
address of the private descriptor ourselves. */
- if (info->executable && !info->pie
+ if (bfd_link_pde (info)
&& (!h || BFINFDPIC_FUNCDESC_LOCAL (info, h)))
{
+ bfd_vma offset;
+
addend += bfinfdpic_got_section (info)->output_section->vma;
- if ((bfd_get_section_flags (output_bfd,
- input_section->output_section)
+ if ((bfd_section_flags (input_section->output_section)
& (SEC_ALLOC | SEC_LOAD)) == (SEC_ALLOC | SEC_LOAD))
{
if (_bfinfdpic_osec_readonly_p (output_bfd,
name, input_bfd, input_section, rel->r_offset);
return FALSE;
}
- _bfinfdpic_add_rofixup (output_bfd,
- bfinfdpic_gotfixup_section
- (info),
- _bfd_elf_section_offset
- (output_bfd, info,
- input_section, rel->r_offset)
- + input_section
- ->output_section->vma
- + input_section->output_offset,
- picrel);
+
+ offset = _bfd_elf_section_offset
+ (output_bfd, info,
+ input_section, rel->r_offset);
+
+ if (offset != (bfd_vma)-1)
+ _bfinfdpic_add_rofixup (output_bfd,
+ bfinfdpic_gotfixup_section
+ (info),
+ offset + input_section
+ ->output_section->vma
+ + input_section->output_offset,
+ picrel);
}
}
- else if ((bfd_get_section_flags (output_bfd,
- input_section->output_section)
+ else if ((bfd_section_flags (input_section->output_section)
& (SEC_ALLOC | SEC_LOAD)) == (SEC_ALLOC | SEC_LOAD))
{
bfd_vma offset;
}
offset = _bfd_elf_section_offset (output_bfd, info,
input_section, rel->r_offset);
- /* Only output a reloc for a not deleted entry. */
- if (offset >= (bfd_vma) -2)
- _bfinfdpic_add_dyn_reloc (output_bfd,
- bfinfdpic_gotrel_section (info),
- 0,
- R_unused0,
- dynindx, addend, picrel);
- else
+
+ if (offset != (bfd_vma)-1)
_bfinfdpic_add_dyn_reloc (output_bfd,
bfinfdpic_gotrel_section (info),
offset + input_section
check_segment[0] = check_segment[1] = got_segment;
break;
- case R_byte4_data:
+ case R_BFIN_BYTE4_DATA:
if (! IS_FDPIC (output_bfd))
{
check_segment[0] = check_segment[1] = -1;
can omit the dynamic relocation as long as the symbol
is defined in the current link unit (which is implied
by its output section not being NULL). */
- if (info->executable && !info->pie
+ if (bfd_link_pde (info)
&& (!h || BFINFDPIC_SYM_LOCAL (info, h)))
{
if (osec)
addend += osec->output_section->vma;
if (IS_FDPIC (input_bfd)
- && (bfd_get_section_flags (output_bfd,
- input_section->output_section)
+ && (bfd_section_flags (input_section->output_section)
& (SEC_ALLOC | SEC_LOAD)) == (SEC_ALLOC | SEC_LOAD))
{
if (_bfinfdpic_osec_readonly_p (output_bfd,
}
if (!h || h->root.type != bfd_link_hash_undefweak)
{
- /* Only output a reloc for a not deleted entry. */
- if (offset >= (bfd_vma)-2)
- _bfinfdpic_add_rofixup (output_bfd,
- bfinfdpic_gotfixup_section
- (info), -1, picrel);
- else
- _bfinfdpic_add_rofixup (output_bfd,
- bfinfdpic_gotfixup_section
- (info),
- offset + input_section
- ->output_section->vma
- + input_section->output_offset,
- picrel);
-
- if (r_type == R_BFIN_FUNCDESC_VALUE)
+ if (offset != (bfd_vma)-1)
{
- if (offset >= (bfd_vma)-2)
- _bfinfdpic_add_rofixup
- (output_bfd,
- bfinfdpic_gotfixup_section (info),
- -1, picrel);
- else
+ _bfinfdpic_add_rofixup (output_bfd,
+ bfinfdpic_gotfixup_section
+ (info),
+ offset + input_section
+ ->output_section->vma
+ + input_section->output_offset,
+ picrel);
+
+ if (r_type == R_BFIN_FUNCDESC_VALUE)
_bfinfdpic_add_rofixup
(output_bfd,
bfinfdpic_gotfixup_section (info),
}
else
{
- if ((bfd_get_section_flags (output_bfd,
- input_section->output_section)
+ if ((bfd_section_flags (input_section->output_section)
& (SEC_ALLOC | SEC_LOAD)) == (SEC_ALLOC | SEC_LOAD))
{
if (_bfinfdpic_osec_readonly_p (output_bfd,
name, input_bfd, input_section, rel->r_offset);
return FALSE;
}
- /* Only output a reloc for a not deleted entry. */
- if (offset >= (bfd_vma)-2)
- _bfinfdpic_add_dyn_reloc (output_bfd,
- bfinfdpic_gotrel_section (info),
- 0, R_unused0, dynindx, addend, picrel);
- else
+
+ if (offset != (bfd_vma)-1)
_bfinfdpic_add_dyn_reloc (output_bfd,
bfinfdpic_gotrel_section (info),
offset
- + input_section
- ->output_section->vma
+ + input_section->output_section->vma
+ input_section->output_offset,
r_type, dynindx, addend, picrel);
}
relocation = addend - rel->r_addend;
}
- if (r_type == R_BFIN_FUNCDESC_VALUE && offset < (bfd_vma)-2)
+ if (r_type == R_BFIN_FUNCDESC_VALUE)
{
/* If we've omitted the dynamic relocation, just emit
the fixed addresses of the symbol and of the local
GOT base offset. */
- if (info->executable && !info->pie
+ if (bfd_link_pde (info)
&& (!h || BFINFDPIC_SYM_LOCAL (info, h)))
bfd_put_32 (output_bfd,
bfinfdpic_got_section (info)->output_section->vma
input file basename is crt0.o only once. */
if (silence_segment_error == 1)
silence_segment_error =
- (strlen (input_bfd->filename) == 6
- && strcmp (input_bfd->filename, "crt0.o") == 0)
- || (strlen (input_bfd->filename) > 6
- && strcmp (input_bfd->filename
- + strlen (input_bfd->filename) - 7,
+ (strlen (bfd_get_filename (input_bfd)) == 6
+ && filename_cmp (bfd_get_filename (input_bfd), "crt0.o") == 0)
+ || (strlen (bfd_get_filename (input_bfd)) > 6
+ && filename_cmp (bfd_get_filename (input_bfd)
+ + strlen (bfd_get_filename (input_bfd)) - 7,
"/crt0.o") == 0)
? -1 : 0;
#endif
&& picrel->d.h->root.type == bfd_link_hash_undefined))
info->callbacks->warning
(info,
- (info->shared || info->pie)
+ bfd_link_pic (info)
? _("relocations between different segments are not supported")
: _("warning: relocation references a different segment"),
name, input_bfd, input_section, rel->r_offset);
- if (!silence_segment_error && (info->shared || info->pie))
+ if (!silence_segment_error && bfd_link_pic (info))
return FALSE;
elf_elfheader (output_bfd)->e_flags |= EF_BFIN_PIC;
}
switch (r_type)
{
- case R_pcrel24:
- case R_pcrel24_jump_l:
+ case R_BFIN_PCREL24:
+ case R_BFIN_PCREL24_JUMP_L:
if (! IS_FDPIC (output_bfd) || ! picrel->plt)
break;
/* Fall through. */
switch (r)
{
case bfd_reloc_overflow:
- r = info->callbacks->reloc_overflow
+ (*info->callbacks->reloc_overflow)
(info, (h ? &h->root : NULL), name, howto->name,
(bfd_vma) 0, input_bfd, input_section, rel->r_offset);
break;
case bfd_reloc_undefined:
- r = info->callbacks->undefined_symbol
+ (*info->callbacks->undefined_symbol)
(info, name, input_bfd, input_section, rel->r_offset, TRUE);
break;
}
if (msg)
- r = info->callbacks->warning
- (info, msg, name, input_bfd, input_section, rel->r_offset);
-
- if (! r)
- return FALSE;
+ (*info->callbacks->warning) (info, msg, name, input_bfd,
+ input_section, rel->r_offset);
}
}
return TRUE;
}
-/* Update the relocation information for the relocations of the section
- being removed. */
-
+/* We need dynamic symbols for every section, since segments can
+ relocate independently. */
static bfd_boolean
-bfinfdpic_gc_sweep_hook (bfd *abfd,
- struct bfd_link_info *info,
- asection *sec,
- const Elf_Internal_Rela *relocs)
+_bfinfdpic_link_omit_section_dynsym (bfd *output_bfd ATTRIBUTE_UNUSED,
+ struct bfd_link_info *info ATTRIBUTE_UNUSED,
+ asection *p)
{
- Elf_Internal_Shdr *symtab_hdr;
- struct elf_link_hash_entry **sym_hashes, **sym_hashes_end;
- const Elf_Internal_Rela *rel;
- const Elf_Internal_Rela *rel_end;
- struct bfinfdpic_relocs_info *picrel;
-
- BFD_ASSERT (IS_FDPIC (abfd));
-
- 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++)
+ switch (elf_section_data (p)->this_hdr.sh_type)
{
- struct elf_link_hash_entry *h;
- unsigned long r_symndx;
-
- r_symndx = ELF32_R_SYM (rel->r_info);
- if (r_symndx < symtab_hdr->sh_info)
- h = NULL;
- else
- h = sym_hashes[r_symndx - symtab_hdr->sh_info];
+ case SHT_PROGBITS:
+ case SHT_NOBITS:
+ /* If sh_type is yet undecided, assume it could be
+ SHT_PROGBITS/SHT_NOBITS. */
+ case SHT_NULL:
+ return FALSE;
- if (h != NULL)
- picrel = bfinfdpic_relocs_info_for_global (bfinfdpic_relocs_info (info),
- abfd, h,
- rel->r_addend, NO_INSERT);
- else
- picrel = bfinfdpic_relocs_info_for_local (bfinfdpic_relocs_info
- (info), abfd, r_symndx,
- rel->r_addend, NO_INSERT);
+ /* There shouldn't be section relative relocations
+ against any other section. */
+ default:
+ return TRUE;
+ }
+}
- if (!picrel)
- return TRUE;
+/* Create a .got section, as well as its additional info field. This
+ is almost entirely copied from
+ elflink.c:_bfd_elf_create_got_section(). */
- switch (ELF32_R_TYPE (rel->r_info))
- {
- case R_pcrel24:
- case R_pcrel24_jump_l:
- picrel->call--;
- break;
+static bfd_boolean
+_bfin_create_got_section (bfd *abfd, struct bfd_link_info *info)
+{
+ flagword flags, pltflags;
+ asection *s;
+ struct elf_link_hash_entry *h;
+ const struct elf_backend_data *bed = get_elf_backend_data (abfd);
+ int ptralign;
- case R_BFIN_FUNCDESC_VALUE:
- picrel->relocsfdv--;
- if (bfd_get_section_flags (abfd, sec) & SEC_ALLOC)
- picrel->relocs32++;
- /* Fall through. */
-
- case R_byte4_data:
- picrel->sym--;
- if (bfd_get_section_flags (abfd, sec) & SEC_ALLOC)
- picrel->relocs32--;
- break;
-
- case R_BFIN_GOT17M4:
- picrel->got17m4--;
- break;
-
- case R_BFIN_GOTHI:
- case R_BFIN_GOTLO:
- picrel->gothilo--;
- break;
-
- case R_BFIN_FUNCDESC_GOT17M4:
- picrel->fdgot17m4--;
- break;
-
- case R_BFIN_FUNCDESC_GOTHI:
- case R_BFIN_FUNCDESC_GOTLO:
- picrel->fdgothilo--;
- break;
-
- case R_BFIN_GOTOFF17M4:
- case R_BFIN_GOTOFFHI:
- case R_BFIN_GOTOFFLO:
- picrel->gotoff--;
- break;
-
- case R_BFIN_FUNCDESC_GOTOFF17M4:
- picrel->fdgoff17m4--;
- break;
-
- case R_BFIN_FUNCDESC_GOTOFFHI:
- case R_BFIN_FUNCDESC_GOTOFFLO:
- picrel->fdgoffhilo--;
- break;
-
- case R_BFIN_FUNCDESC:
- picrel->fd--;
- picrel->relocsfd--;
- break;
-
- default:
- break;
- }
- }
-
- return TRUE;
-}
-
-/* We need dynamic symbols for every section, since segments can
- relocate independently. */
-static bfd_boolean
-_bfinfdpic_link_omit_section_dynsym (bfd *output_bfd ATTRIBUTE_UNUSED,
- struct bfd_link_info *info ATTRIBUTE_UNUSED,
- asection *p)
-{
- switch (elf_section_data (p)->this_hdr.sh_type)
- {
- case SHT_PROGBITS:
- case SHT_NOBITS:
- /* If sh_type is yet undecided, assume it could be
- SHT_PROGBITS/SHT_NOBITS. */
- case SHT_NULL:
- return FALSE;
-
- /* There shouldn't be section relative relocations
- against any other section. */
- default:
- return TRUE;
- }
-}
-
-/* Create a .got section, as well as its additional info field. This
- is almost entirely copied from
- elflink.c:_bfd_elf_create_got_section(). */
-
-static bfd_boolean
-_bfin_create_got_section (bfd *abfd, struct bfd_link_info *info)
-{
- flagword flags, pltflags;
- asection *s;
- struct elf_link_hash_entry *h;
- const struct elf_backend_data *bed = get_elf_backend_data (abfd);
- int ptralign;
- int offset;
-
- /* This function may be called more than once. */
- s = bfd_get_section_by_name (abfd, ".got");
- if (s != NULL && (s->flags & SEC_LINKER_CREATED) != 0)
- return TRUE;
+ /* This function may be called more than once. */
+ s = elf_hash_table (info)->sgot;
+ if (s != NULL)
+ return TRUE;
/* Machine specific: although pointers are 32-bits wide, we want the
GOT to be aligned to a 64-bit boundary, such that function
| SEC_LINKER_CREATED);
pltflags = flags;
- s = bfd_make_section_with_flags (abfd, ".got", flags);
+ s = bfd_make_section_anyway_with_flags (abfd, ".got", flags);
+ elf_hash_table (info)->sgot = s;
if (s == NULL
- || !bfd_set_section_alignment (abfd, s, ptralign))
+ || !bfd_set_section_alignment (s, ptralign))
return FALSE;
- if (bed->want_got_plt)
- {
- s = bfd_make_section_with_flags (abfd, ".got.plt", flags);
- if (s == NULL
- || !bfd_set_section_alignment (abfd, s, ptralign))
- return FALSE;
- }
-
if (bed->want_got_sym)
{
/* Define the symbol _GLOBAL_OFFSET_TABLE_ at the start of the .got
data for the got. */
if (IS_FDPIC (abfd))
{
- bfinfdpic_got_section (info) = s;
bfinfdpic_relocs_info (info) = htab_try_create (1,
bfinfdpic_relocs_info_hash,
bfinfdpic_relocs_info_eq,
if (! bfinfdpic_relocs_info (info))
return FALSE;
- s = bfd_make_section_with_flags (abfd, ".rel.got",
- (flags | SEC_READONLY));
+ s = bfd_make_section_anyway_with_flags (abfd, ".rel.got",
+ (flags | SEC_READONLY));
if (s == NULL
- || ! bfd_set_section_alignment (abfd, s, 2))
+ || !bfd_set_section_alignment (s, 2))
return FALSE;
bfinfdpic_gotrel_section (info) = s;
/* Machine-specific. */
- s = bfd_make_section_with_flags (abfd, ".rofixup",
- (flags | SEC_READONLY));
+ s = bfd_make_section_anyway_with_flags (abfd, ".rofixup",
+ (flags | SEC_READONLY));
if (s == NULL
- || ! bfd_set_section_alignment (abfd, s, 2))
+ || !bfd_set_section_alignment (s, 2))
return FALSE;
bfinfdpic_gotfixup_section (info) = s;
- offset = -2048;
- flags = BSF_GLOBAL;
}
- else
- {
- offset = 2048;
- flags = BSF_GLOBAL | BSF_WEAK;
- }
-
- return TRUE;
-}
-
-/* Make sure the got and plt sections exist, and that our pointers in
- the link hash table point to them. */
-
-static bfd_boolean
-elf32_bfinfdpic_create_dynamic_sections (bfd *abfd, struct bfd_link_info *info)
-{
- /* This is mostly copied from
- elflink.c:_bfd_elf_create_dynamic_sections(). */
- flagword flags, pltflags;
- asection *s;
- const struct elf_backend_data *bed = get_elf_backend_data (abfd);
-
- /* We need to create .plt, .rel[a].plt, .got, .got.plt, .dynbss, and
- .rel[a].bss sections. */
-
- flags = (SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS | SEC_IN_MEMORY
- | SEC_LINKER_CREATED);
- pltflags = flags;
pltflags |= SEC_CODE;
if (bed->plt_not_loaded)
pltflags &= ~ (SEC_CODE | SEC_LOAD | SEC_HAS_CONTENTS);
if (bed->plt_readonly)
pltflags |= SEC_READONLY;
- s = bfd_make_section_with_flags (abfd, ".plt", pltflags);
+ s = bfd_make_section_anyway_with_flags (abfd, ".plt", pltflags);
if (s == NULL
- || ! bfd_set_section_alignment (abfd, s, bed->plt_alignment))
+ || !bfd_set_section_alignment (s, bed->plt_alignment))
return FALSE;
/* Blackfin-specific: remember it. */
bfinfdpic_plt_section (info) = s;
{
/* Define the symbol _PROCEDURE_LINKAGE_TABLE_ at the start of the
.plt section. */
- struct elf_link_hash_entry *h;
struct bfd_link_hash_entry *bh = NULL;
if (! (_bfd_generic_link_add_one_symbol
h->def_regular = 1;
h->type = STT_OBJECT;
- if (! info->executable
+ if (! bfd_link_executable (info)
&& ! bfd_elf_link_record_dynamic_symbol (info, h))
return FALSE;
}
/* Blackfin-specific: we want rel relocations for the plt. */
- s = bfd_make_section_with_flags (abfd, ".rel.plt", flags | SEC_READONLY);
+ s = bfd_make_section_anyway_with_flags (abfd, ".rel.plt",
+ flags | SEC_READONLY);
if (s == NULL
- || ! bfd_set_section_alignment (abfd, s, bed->s->log_file_align))
+ || !bfd_set_section_alignment (s, bed->s->log_file_align))
return FALSE;
/* Blackfin-specific: remember it. */
bfinfdpic_pltrel_section (info) = s;
+ return TRUE;
+}
+
+/* Make sure the got and plt sections exist, and that our pointers in
+ the link hash table point to them. */
+
+static bfd_boolean
+elf32_bfinfdpic_create_dynamic_sections (bfd *abfd, struct bfd_link_info *info)
+{
+ /* This is mostly copied from
+ elflink.c:_bfd_elf_create_dynamic_sections(). */
+ flagword flags;
+ asection *s;
+ const struct elf_backend_data *bed = get_elf_backend_data (abfd);
+
+ flags = (SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS | SEC_IN_MEMORY
+ | SEC_LINKER_CREATED);
+
+ /* We need to create .plt, .rel[a].plt, .got, .got.plt, .dynbss, and
+ .rel[a].bss sections. */
+
/* Blackfin-specific: we want to create the GOT in the Blackfin way. */
if (! _bfin_create_got_section (abfd, info))
return FALSE;
image and use a R_*_COPY reloc to tell the dynamic linker to
initialize them at run time. The linker script puts the .dynbss
section into the .bss section of the final image. */
- s = bfd_make_section_with_flags (abfd, ".dynbss",
- SEC_ALLOC | SEC_LINKER_CREATED);
+ s = bfd_make_section_anyway_with_flags (abfd, ".dynbss",
+ SEC_ALLOC | SEC_LINKER_CREATED);
if (s == NULL)
return FALSE;
/* The .rel[a].bss section holds copy relocs. This section is not
- normally needed. We need to create it here, though, so that the
- linker will map it to an output section. We can't just create it
- only if we need it, because we will not know whether we need it
- until we have seen all the input files, and the first time the
- main linker code calls BFD after examining all the input files
- (size_dynamic_sections) the input sections have already been
- mapped to the output sections. If the section turns out not to
- be needed, we can discard it later. We will never need this
- section when generating a shared object, since they do not use
- copy relocs. */
- if (! info->shared)
+ normally needed. We need to create it here, though, so that the
+ linker will map it to an output section. We can't just create it
+ only if we need it, because we will not know whether we need it
+ until we have seen all the input files, and the first time the
+ main linker code calls BFD after examining all the input files
+ (size_dynamic_sections) the input sections have already been
+ mapped to the output sections. If the section turns out not to
+ be needed, we can discard it later. We will never need this
+ section when generating a shared object, since they do not use
+ copy relocs. */
+ if (! bfd_link_pic (info))
{
- s = bfd_make_section_with_flags (abfd,
- (bed->default_use_rela_p
- ? ".rela.bss" : ".rel.bss"),
- flags | SEC_READONLY);
+ s = bfd_make_section_anyway_with_flags (abfd,
+ ".rela.bss",
+ flags | SEC_READONLY);
if (s == NULL
- || ! bfd_set_section_alignment (abfd, s, bed->s->log_file_align))
+ || !bfd_set_section_alignment (s, bed->s->log_file_align))
return FALSE;
}
}
the symbol, an entry pointing to its function descriptor, and a
private function descriptors taking two words. */
-static int
-_bfinfdpic_count_got_plt_entries (void **entryp, void *dinfo_)
+static void
+_bfinfdpic_count_nontls_entries (struct bfinfdpic_relocs_info *entry,
+ struct _bfinfdpic_dynamic_got_info *dinfo)
{
- struct bfinfdpic_relocs_info *entry = *entryp;
- struct _bfinfdpic_dynamic_got_info *dinfo = dinfo_;
- unsigned relocs = 0, fixups = 0;
-
/* Allocate space for a GOT entry pointing to the symbol. */
if (entry->got17m4)
dinfo->got17m4 += 4;
if (entry->lazyplt)
dinfo->lzplt += LZPLT_NORMAL_SIZE;
+}
+
+/* Compute the number of dynamic relocations and fixups that a symbol
+ requires, and add (or subtract) from the grand and per-symbol
+ totals. */
+
+static void
+_bfinfdpic_count_relocs_fixups (struct bfinfdpic_relocs_info *entry,
+ struct _bfinfdpic_dynamic_got_info *dinfo,
+ bfd_boolean subtract)
+{
+ bfd_vma relocs = 0, fixups = 0;
- if (!dinfo->info->executable || dinfo->info->pie)
+ if (!bfd_link_pde (dinfo->info))
relocs = entry->relocs32 + entry->relocsfd + entry->relocsfdv;
else
{
relocs += entry->relocsfd;
}
+ if (subtract)
+ {
+ relocs = - relocs;
+ fixups = - fixups;
+ }
+
entry->dynrelocs += relocs;
entry->fixups += fixups;
dinfo->relocs += relocs;
dinfo->fixups += fixups;
+}
+
+/* Compute the total GOT and PLT size required by each symbol in each range. *
+ Symbols may require up to 4 words in the GOT: an entry pointing to
+ the symbol, an entry pointing to its function descriptor, and a
+ private function descriptors taking two words. */
+
+static int
+_bfinfdpic_count_got_plt_entries (void **entryp, void *dinfo_)
+{
+ struct bfinfdpic_relocs_info *entry = *entryp;
+ struct _bfinfdpic_dynamic_got_info *dinfo = dinfo_;
+
+ _bfinfdpic_count_nontls_entries (entry, dinfo);
+
+ _bfinfdpic_count_relocs_fixups (entry, dinfo, FALSE);
return 1;
}
return 1;
}
+/* Cancel out any effects of calling _bfinfdpic_assign_got_entries and
+ _bfinfdpic_assign_plt_entries. */
+
+static int
+_bfinfdpic_reset_got_plt_entries (void **entryp, void *ignore ATTRIBUTE_UNUSED)
+{
+ struct bfinfdpic_relocs_info *entry = *entryp;
+
+ entry->got_entry = 0;
+ entry->fdgot_entry = 0;
+ entry->fd_entry = 0;
+ entry->plt_entry = (bfd_vma)-1;
+ entry->lzplt_entry = (bfd_vma)-1;
+
+ return 1;
+}
+
/* Follow indirect and warning hash entries so that each got entry
points to the final symbol definition. P must point to a pointer
to the hash table we're traversing. Since this traversal may
return 1;
}
-/* Set the sizes of the dynamic sections. */
+/* Compute the total size of the GOT, the PLT, the dynamic relocations
+ section and the rofixup section. Assign locations for GOT and PLT
+ entries. */
static bfd_boolean
-elf32_bfinfdpic_size_dynamic_sections (bfd *output_bfd,
- struct bfd_link_info *info)
+_bfinfdpic_size_got_plt (bfd *output_bfd,
+ struct _bfinfdpic_dynamic_got_plt_info *gpinfop)
{
- bfd *dynobj;
- asection *s;
- struct _bfinfdpic_dynamic_got_plt_info gpinfo;
bfd_signed_vma odd;
bfd_vma limit;
+ struct bfd_link_info *info = gpinfop->g.info;
+ bfd *dynobj = elf_hash_table (info)->dynobj;
- dynobj = elf_hash_table (info)->dynobj;
- BFD_ASSERT (dynobj != NULL);
-
- if (elf_hash_table (info)->dynamic_sections_created)
- {
- /* Set the contents of the .interp section to the interpreter. */
- if (info->executable)
- {
- s = bfd_get_section_by_name (dynobj, ".interp");
- BFD_ASSERT (s != NULL);
- s->size = sizeof ELF_DYNAMIC_INTERPRETER;
- s->contents = (bfd_byte *) ELF_DYNAMIC_INTERPRETER;
- }
- }
-
- memset (&gpinfo, 0, sizeof (gpinfo));
- gpinfo.g.info = info;
-
- for (;;)
- {
- htab_t relocs = bfinfdpic_relocs_info (info);
-
- htab_traverse (relocs, _bfinfdpic_resolve_final_relocs_info, &relocs);
-
- if (relocs == bfinfdpic_relocs_info (info))
- break;
- }
-
- htab_traverse (bfinfdpic_relocs_info (info), _bfinfdpic_count_got_plt_entries,
- &gpinfo.g);
+ memcpy (bfinfdpic_dynamic_got_plt_info (info), &gpinfop->g,
+ sizeof (gpinfop->g));
odd = 12;
/* Compute the total size taken by entries in the 18-bit range,
to tell how many PLT function descriptors we can bring into it
without causing it to overflow. */
- limit = odd + gpinfo.g.got17m4 + gpinfo.g.fd17m4;
+ limit = odd + gpinfop->g.got17m4 + gpinfop->g.fd17m4;
if (limit < (bfd_vma)1 << 18)
limit = ((bfd_vma)1 << 18) - limit;
else
limit = 0;
- if (gpinfo.g.fdplt < limit)
- limit = gpinfo.g.fdplt;
+ if (gpinfop->g.fdplt < limit)
+ limit = gpinfop->g.fdplt;
/* Determine the ranges of GOT offsets that we can use for each
range of addressing modes. */
- odd = _bfinfdpic_compute_got_alloc_data (&gpinfo.got17m4,
+ odd = _bfinfdpic_compute_got_alloc_data (&gpinfop->got17m4,
0,
odd,
16,
- gpinfo.g.got17m4,
- gpinfo.g.fd17m4,
+ gpinfop->g.got17m4,
+ gpinfop->g.fd17m4,
limit,
(bfd_vma)1 << (18-1));
- odd = _bfinfdpic_compute_got_alloc_data (&gpinfo.gothilo,
- gpinfo.got17m4.min,
+ odd = _bfinfdpic_compute_got_alloc_data (&gpinfop->gothilo,
+ gpinfop->got17m4.min,
odd,
- gpinfo.got17m4.max,
- gpinfo.g.gothilo,
- gpinfo.g.fdhilo,
- gpinfo.g.fdplt - gpinfo.got17m4.fdplt,
+ gpinfop->got17m4.max,
+ gpinfop->g.gothilo,
+ gpinfop->g.fdhilo,
+ gpinfop->g.fdplt - gpinfop->got17m4.fdplt,
(bfd_vma)1 << (32-1));
/* Now assign (most) GOT offsets. */
htab_traverse (bfinfdpic_relocs_info (info), _bfinfdpic_assign_got_entries,
- &gpinfo);
+ gpinfop);
- bfinfdpic_got_section (info)->size = gpinfo.gothilo.max
- - gpinfo.gothilo.min
+ bfinfdpic_got_section (info)->size = gpinfop->gothilo.max
+ - gpinfop->gothilo.min
/* If an odd word is the last word of the GOT, we don't need this
word to be part of the GOT. */
- - (odd + 4 == gpinfo.gothilo.max ? 4 : 0);
+ - (odd + 4 == gpinfop->gothilo.max ? 4 : 0);
if (bfinfdpic_got_section (info)->size == 0)
bfinfdpic_got_section (info)->flags |= SEC_EXCLUDE;
else if (bfinfdpic_got_section (info)->size == 12
/* Subtract the number of lzplt entries, since those will generate
relocations in the pltrel section. */
bfinfdpic_gotrel_section (info)->size =
- (gpinfo.g.relocs - gpinfo.g.lzplt / LZPLT_NORMAL_SIZE)
+ (gpinfop->g.relocs - gpinfop->g.lzplt / LZPLT_NORMAL_SIZE)
* get_elf_backend_data (output_bfd)->s->sizeof_rel;
else
- BFD_ASSERT (gpinfo.g.relocs == 0);
+ BFD_ASSERT (gpinfop->g.relocs == 0);
if (bfinfdpic_gotrel_section (info)->size == 0)
bfinfdpic_gotrel_section (info)->flags |= SEC_EXCLUDE;
else
return FALSE;
}
- bfinfdpic_gotfixup_section (info)->size = (gpinfo.g.fixups + 1) * 4;
+ bfinfdpic_gotfixup_section (info)->size = (gpinfop->g.fixups + 1) * 4;
if (bfinfdpic_gotfixup_section (info)->size == 0)
bfinfdpic_gotfixup_section (info)->flags |= SEC_EXCLUDE;
else
}
if (elf_hash_table (info)->dynamic_sections_created)
+ bfinfdpic_pltrel_section (info)->size =
+ gpinfop->g.lzplt / LZPLT_NORMAL_SIZE * get_elf_backend_data (output_bfd)->s->sizeof_rel;
+ if (bfinfdpic_pltrel_section (info)->size == 0)
+ bfinfdpic_pltrel_section (info)->flags |= SEC_EXCLUDE;
+ else
{
- bfinfdpic_pltrel_section (info)->size =
- gpinfo.g.lzplt / LZPLT_NORMAL_SIZE * get_elf_backend_data (output_bfd)->s->sizeof_rel;
- if (bfinfdpic_pltrel_section (info)->size == 0)
- bfinfdpic_pltrel_section (info)->flags |= SEC_EXCLUDE;
- else
- {
- bfinfdpic_pltrel_section (info)->contents =
- (bfd_byte *) bfd_zalloc (dynobj,
- bfinfdpic_pltrel_section (info)->size);
- if (bfinfdpic_pltrel_section (info)->contents == NULL)
- return FALSE;
- }
+ bfinfdpic_pltrel_section (info)->contents =
+ (bfd_byte *) bfd_zalloc (dynobj,
+ bfinfdpic_pltrel_section (info)->size);
+ if (bfinfdpic_pltrel_section (info)->contents == NULL)
+ return FALSE;
}
/* Add 4 bytes for every block of at most 65535 lazy PLT entries,
block size. */
if (elf_hash_table (info)->dynamic_sections_created)
{
- bfinfdpic_plt_section (info)->size = gpinfo.g.lzplt
- + ((gpinfo.g.lzplt + (BFINFDPIC_LZPLT_BLOCK_SIZE - 4) - LZPLT_NORMAL_SIZE)
+ bfinfdpic_plt_section (info)->size = gpinfop->g.lzplt
+ + ((gpinfop->g.lzplt + (BFINFDPIC_LZPLT_BLOCK_SIZE - 4) - LZPLT_NORMAL_SIZE)
/ (BFINFDPIC_LZPLT_BLOCK_SIZE - 4) * LZPLT_RESOLVER_EXTRA);
}
/* Reset it, such that _bfinfdpic_assign_plt_entries() can use it to
actually assign lazy PLT entries addresses. */
- gpinfo.g.lzplt = 0;
+ gpinfop->g.lzplt = 0;
/* Save information that we're going to need to generate GOT and PLT
entries. */
- bfinfdpic_got_initial_offset (info) = -gpinfo.gothilo.min;
+ bfinfdpic_got_initial_offset (info) = -gpinfop->gothilo.min;
if (get_elf_backend_data (output_bfd)->want_got_sym)
elf_hash_table (info)->hgot->root.u.def.value
- += bfinfdpic_got_initial_offset (info);
+ = bfinfdpic_got_initial_offset (info);
if (elf_hash_table (info)->dynamic_sections_created)
bfinfdpic_plt_initial_offset (info) =
bfinfdpic_plt_section (info)->size;
htab_traverse (bfinfdpic_relocs_info (info), _bfinfdpic_assign_plt_entries,
- &gpinfo);
+ gpinfop);
/* Allocate the PLT section contents only after
_bfinfdpic_assign_plt_entries has a chance to add the size of the
non-lazy PLT entries. */
- if (elf_hash_table (info)->dynamic_sections_created)
+ if (bfinfdpic_plt_section (info)->size == 0)
+ bfinfdpic_plt_section (info)->flags |= SEC_EXCLUDE;
+ else
{
- if (bfinfdpic_plt_section (info)->size == 0)
- bfinfdpic_plt_section (info)->flags |= SEC_EXCLUDE;
- else
+ bfinfdpic_plt_section (info)->contents =
+ (bfd_byte *) bfd_zalloc (dynobj,
+ bfinfdpic_plt_section (info)->size);
+ if (bfinfdpic_plt_section (info)->contents == NULL)
+ return FALSE;
+ }
+
+ return TRUE;
+}
+
+/* Set the sizes of the dynamic sections. */
+
+static bfd_boolean
+elf32_bfinfdpic_size_dynamic_sections (bfd *output_bfd,
+ struct bfd_link_info *info)
+{
+ struct elf_link_hash_table *htab;
+ bfd *dynobj;
+ asection *s;
+ struct _bfinfdpic_dynamic_got_plt_info gpinfo;
+
+ htab = elf_hash_table (info);
+ dynobj = htab->dynobj;
+ BFD_ASSERT (dynobj != NULL);
+
+ if (htab->dynamic_sections_created)
+ {
+ /* Set the contents of the .interp section to the interpreter. */
+ if (bfd_link_executable (info) && !info->nointerp)
{
- bfinfdpic_plt_section (info)->contents =
- (bfd_byte *) bfd_zalloc (dynobj,
- bfinfdpic_plt_section (info)->size);
- if (bfinfdpic_plt_section (info)->contents == NULL)
- return FALSE;
+ s = bfd_get_linker_section (dynobj, ".interp");
+ BFD_ASSERT (s != NULL);
+ s->size = sizeof ELF_DYNAMIC_INTERPRETER;
+ s->contents = (bfd_byte *) ELF_DYNAMIC_INTERPRETER;
}
}
+ memset (&gpinfo, 0, sizeof (gpinfo));
+ gpinfo.g.info = info;
+
+ for (;;)
+ {
+ htab_t relocs = bfinfdpic_relocs_info (info);
+
+ htab_traverse (relocs, _bfinfdpic_resolve_final_relocs_info, &relocs);
+
+ if (relocs == bfinfdpic_relocs_info (info))
+ break;
+ }
+
+ htab_traverse (bfinfdpic_relocs_info (info), _bfinfdpic_count_got_plt_entries,
+ &gpinfo.g);
+
+ /* Allocate space to save the summary information, we're going to
+ use it if we're doing relaxations. */
+ bfinfdpic_dynamic_got_plt_info (info) = bfd_alloc (dynobj, sizeof (gpinfo.g));
+
+ if (!_bfinfdpic_size_got_plt (output_bfd, &gpinfo))
+ return FALSE;
+
if (elf_hash_table (info)->dynamic_sections_created)
{
if (bfinfdpic_got_section (info)->size)
return FALSE;
}
+ s = bfd_get_linker_section (dynobj, ".dynbss");
+ if (s && s->size == 0)
+ s->flags |= SEC_EXCLUDE;
+
+ s = bfd_get_linker_section (dynobj, ".rela.bss");
+ if (s && s->size == 0)
+ s->flags |= SEC_EXCLUDE;
+
return TRUE;
}
elf32_bfinfdpic_always_size_sections (bfd *output_bfd,
struct bfd_link_info *info)
{
- if (!info->relocatable)
- {
- struct elf_link_hash_entry *h;
-
- /* Force a PT_GNU_STACK segment to be created. */
- if (! elf_tdata (output_bfd)->stack_flags)
- elf_tdata (output_bfd)->stack_flags = PF_R | PF_W | PF_X;
-
- /* Define __stacksize if it's not defined yet. */
- h = elf_link_hash_lookup (elf_hash_table (info), "__stacksize",
- FALSE, FALSE, FALSE);
- if (! h || h->root.type != bfd_link_hash_defined
- || h->type != STT_OBJECT
- || !h->def_regular)
- {
- struct bfd_link_hash_entry *bh = NULL;
-
- if (!(_bfd_generic_link_add_one_symbol
- (info, output_bfd, "__stacksize",
- BSF_GLOBAL, bfd_abs_section_ptr, DEFAULT_STACK_SIZE,
- (const char *) NULL, FALSE,
- get_elf_backend_data (output_bfd)->collect, &bh)))
- return FALSE;
-
- h = (struct elf_link_hash_entry *) bh;
- h->def_regular = 1;
- h->type = STT_OBJECT;
- }
- }
+ if (!bfd_link_relocatable (info)
+ && !bfd_elf_stack_segment_size (output_bfd, info,
+ "__stacksize", DEFAULT_STACK_SIZE))
+ return FALSE;
return TRUE;
}
+/* Check whether any of the relocations was optimized away, and
+ subtract it from the relocation or fixup count. */
static bfd_boolean
-elf32_bfinfdpic_modify_program_headers (bfd *output_bfd,
- struct bfd_link_info *info)
+_bfinfdpic_check_discarded_relocs (bfd *abfd, asection *sec,
+ struct bfd_link_info *info,
+ bfd_boolean *changed)
{
- struct elf_obj_tdata *tdata = elf_tdata (output_bfd);
- struct elf_segment_map *m;
- Elf_Internal_Phdr *p;
+ Elf_Internal_Shdr *symtab_hdr;
+ struct elf_link_hash_entry **sym_hashes, **sym_hashes_end;
+ Elf_Internal_Rela *rel, *erel;
- /* objcopy and strip preserve what's already there using
- elf32_bfinfdpic_copy_private_bfd_data (). */
- if (! info)
+ if ((sec->flags & SEC_RELOC) == 0
+ || sec->reloc_count == 0)
return TRUE;
- for (p = tdata->phdr, m = tdata->segment_map; m != NULL; m = m->next, p++)
- if (m->p_type == PT_GNU_STACK)
- break;
+ 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 = elf_section_data (sec)->relocs;
- if (m)
+ /* Now examine each relocation. */
+ for (erel = rel + sec->reloc_count; rel < erel; rel++)
{
struct elf_link_hash_entry *h;
+ unsigned long r_symndx;
+ struct bfinfdpic_relocs_info *picrel;
+ struct _bfinfdpic_dynamic_got_info *dinfo;
+
+ if (ELF32_R_TYPE (rel->r_info) != R_BFIN_BYTE4_DATA
+ && ELF32_R_TYPE (rel->r_info) != R_BFIN_FUNCDESC)
+ continue;
+
+ if (_bfd_elf_section_offset (sec->output_section->owner,
+ info, sec, rel->r_offset)
+ != (bfd_vma)-1)
+ continue;
- /* Obtain the pointer to the __stacksize symbol. */
- h = elf_link_hash_lookup (elf_hash_table (info), "__stacksize",
- FALSE, FALSE, FALSE);
- if (h)
+ r_symndx = ELF32_R_SYM (rel->r_info);
+ if (r_symndx < symtab_hdr->sh_info)
+ h = NULL;
+ else
{
+ 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;
- BFD_ASSERT (h->root.type == bfd_link_hash_defined);
+ h = (struct elf_link_hash_entry *)h->root.u.i.link;
}
- /* Set the header p_memsz from the symbol value. We
- intentionally ignore the symbol section. */
- if (h && h->root.type == bfd_link_hash_defined)
- p->p_memsz = h->root.u.def.value;
+ if (h != NULL)
+ picrel = bfinfdpic_relocs_info_for_global (bfinfdpic_relocs_info (info),
+ abfd, h,
+ rel->r_addend, NO_INSERT);
else
- p->p_memsz = DEFAULT_STACK_SIZE;
+ picrel = bfinfdpic_relocs_info_for_local (bfinfdpic_relocs_info (info),
+ abfd, r_symndx,
+ rel->r_addend, NO_INSERT);
+
+ if (! picrel)
+ return FALSE;
+
+ *changed = TRUE;
+ dinfo = bfinfdpic_dynamic_got_plt_info (info);
- p->p_align = 8;
+ _bfinfdpic_count_relocs_fixups (picrel, dinfo, TRUE);
+ if (ELF32_R_TYPE (rel->r_info) == R_BFIN_BYTE4_DATA)
+ picrel->relocs32--;
+ else /* we know (ELF32_R_TYPE (rel->r_info) == R_BFIN_FUNCDESC) */
+ picrel->relocsfd--;
+ _bfinfdpic_count_relocs_fixups (picrel, dinfo, FALSE);
+ }
+
+ return TRUE;
+}
+
+static bfd_boolean
+bfinfdpic_elf_discard_info (bfd *ibfd,
+ struct elf_reloc_cookie *cookie ATTRIBUTE_UNUSED,
+ struct bfd_link_info *info)
+{
+ bfd_boolean changed = FALSE;
+ asection *s;
+ bfd *obfd = NULL;
+
+ /* Account for relaxation of .eh_frame section. */
+ for (s = ibfd->sections; s; s = s->next)
+ if (s->sec_info_type == SEC_INFO_TYPE_EH_FRAME)
+ {
+ if (!_bfinfdpic_check_discarded_relocs (ibfd, s, info, &changed))
+ return FALSE;
+ obfd = s->output_section->owner;
+ }
+
+ if (changed)
+ {
+ struct _bfinfdpic_dynamic_got_plt_info gpinfo;
+
+ memset (&gpinfo, 0, sizeof (gpinfo));
+ memcpy (&gpinfo.g, bfinfdpic_dynamic_got_plt_info (info),
+ sizeof (gpinfo.g));
+
+ /* Clear GOT and PLT assignments. */
+ htab_traverse (bfinfdpic_relocs_info (info),
+ _bfinfdpic_reset_got_plt_entries,
+ NULL);
+
+ if (!_bfinfdpic_size_got_plt (obfd, &gpinfo))
+ return FALSE;
}
return TRUE;
if (bfinfdpic_got_section (info))
{
BFD_ASSERT (bfinfdpic_gotrel_section (info)->size
- == (bfinfdpic_gotrel_section (info)->reloc_count
+ /* PR 17334: It appears that the GOT section can end up
+ being bigger than the number of relocs. Presumably
+ because some relocs have been deleted. A test case has
+ yet to be generated for verify this, but in the meantime
+ the test below has been changed from == to >= so that
+ applications can continue to be built. */
+ >= (bfinfdpic_gotrel_section (info)->reloc_count
* sizeof (Elf32_External_Rel)));
if (bfinfdpic_gotfixup_section (info))
if (bfinfdpic_gotfixup_section (info)->size
!= (bfinfdpic_gotfixup_section (info)->reloc_count * 4))
{
- (*_bfd_error_handler)
+ _bfd_error_handler
("LINKER BUG: .rofixup section size mismatch");
return FALSE;
}
* sizeof (Elf32_External_Rel)));
}
- sdyn = bfd_get_section_by_name (dynobj, ".dynamic");
+ sdyn = bfd_get_linker_section (dynobj, ".dynamic");
if (elf_hash_table (info)->dynamic_sections_created)
{
regular object. */
static bfd_boolean
-elf32_bfinfdpic_adjust_dynamic_symbol
-(struct bfd_link_info *info,
- struct elf_link_hash_entry *h)
+elf32_bfinfdpic_adjust_dynamic_symbol (struct bfd_link_info *info,
+ struct elf_link_hash_entry *h)
{
bfd * dynobj;
/* Make sure we know what is going on here. */
BFD_ASSERT (dynobj != NULL
- && (h->u.weakdef != NULL
+ && (h->is_weakalias
|| (h->def_dynamic
&& h->ref_regular
&& !h->def_regular)));
/* If this is a weak symbol, and there is a real definition, the
processor independent code will have arranged for us to see the
real definition first, and we can just use the same value. */
- if (h->u.weakdef != NULL)
+ if (h->is_weakalias)
{
- BFD_ASSERT (h->u.weakdef->root.type == bfd_link_hash_defined
- || h->u.weakdef->root.type == bfd_link_hash_defweak);
- h->root.u.def.section = h->u.weakdef->root.u.def.section;
- h->root.u.def.value = h->u.weakdef->root.u.def.value;
+ struct elf_link_hash_entry *def = weakdef (h);
+ BFD_ASSERT (def->root.type == bfd_link_hash_defined);
+ h->root.u.def.section = def->root.u.def.section;
+ h->root.u.def.value = def->root.u.def.value;
}
return TRUE;
bfd *dynobj;
struct bfinfdpic_relocs_info *picrel;
- if (info->relocatable)
+ if (bfd_link_relocatable (info))
return TRUE;
symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
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];
switch (ELF32_R_TYPE (rel->r_info))
{
if (! IS_FDPIC (abfd))
goto bad_reloc;
/* Fall through. */
- case R_pcrel24:
- case R_pcrel24_jump_l:
- case R_byte4_data:
+ case R_BFIN_PCREL24:
+ case R_BFIN_PCREL24_JUMP_L:
+ case R_BFIN_BYTE4_DATA:
if (IS_FDPIC (abfd) && ! dynobj)
{
elf_hash_table (info)->dynobj = dynobj = abfd;
}
switch (ELF32_R_TYPE (rel->r_info))
- {
- case R_pcrel24:
- case R_pcrel24_jump_l:
+ {
+ case R_BFIN_PCREL24:
+ case R_BFIN_PCREL24_JUMP_L:
if (IS_FDPIC (abfd))
picrel->call++;
break;
case R_BFIN_FUNCDESC_VALUE:
picrel->relocsfdv++;
- if (bfd_get_section_flags (abfd, sec) & SEC_ALLOC)
+ if (bfd_section_flags (sec) & SEC_ALLOC)
picrel->relocs32--;
/* Fall through. */
- case R_byte4_data:
+ case R_BFIN_BYTE4_DATA:
if (! IS_FDPIC (abfd))
break;
picrel->sym++;
- if (bfd_get_section_flags (abfd, sec) & SEC_ALLOC)
+ if (bfd_section_flags (sec) & SEC_ALLOC)
picrel->relocs32++;
break;
picrel->relocsfd++;
break;
- /* This relocation describes the C++ object vtable hierarchy.
- Reconstruct it for later use during GC. */
- case R_BFIN_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_BFIN_GNU_VTENTRY:
- BFD_ASSERT (h != NULL);
- if (h != NULL
- && !bfd_elf_gc_record_vtentry (abfd, sec, h, rel->r_addend))
- return FALSE;
- break;
-
- case R_huimm16:
- case R_luimm16:
- case R_pcrel12_jump_s:
- case R_pcrel10:
+ /* This relocation describes the C++ object vtable hierarchy.
+ Reconstruct it for later use during GC. */
+ case R_BFIN_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_BFIN_GNU_VTENTRY:
+ BFD_ASSERT (h != NULL);
+ if (h != NULL
+ && !bfd_elf_gc_record_vtentry (abfd, sec, h, rel->r_addend))
+ return FALSE;
+ break;
+
+ case R_BFIN_HUIMM16:
+ case R_BFIN_LUIMM16:
+ case R_BFIN_PCREL12_JUMP_S:
+ case R_BFIN_PCREL10:
break;
default:
bad_reloc:
- (*_bfd_error_handler)
- (_("%B: unsupported relocation type %i"),
- abfd, ELF32_R_TYPE (rel->r_info));
+ _bfd_error_handler
+ /* xgettext:c-format */
+ (_("%pB: unsupported relocation type %#x"),
+ abfd, (int) ELF32_R_TYPE (rel->r_info));
return FALSE;
- }
+ }
}
return TRUE;
return TRUE;
}
-/* Copy backend specific data from one object module to another. */
-
-static bfd_boolean
-bfin_elf_copy_private_bfd_data (bfd *ibfd, bfd *obfd)
-{
- if (bfd_get_flavour (ibfd) != bfd_target_elf_flavour
- || bfd_get_flavour (obfd) != bfd_target_elf_flavour)
- return TRUE;
-
- BFD_ASSERT (!elf_flags_init (obfd)
- || elf_elfheader (obfd)->e_flags == elf_elfheader (ibfd)->e_flags);
-
- elf_elfheader (obfd)->e_flags = elf_elfheader (ibfd)->e_flags;
- elf_flags_init (obfd) = TRUE;
-
- /* Copy object attributes. */
- _bfd_elf_copy_obj_attributes (ibfd, obfd);
-
- return TRUE;
-}
-
-static bfd_boolean
-elf32_bfinfdpic_copy_private_bfd_data (bfd *ibfd, bfd *obfd)
-{
- unsigned i;
-
- if (bfd_get_flavour (ibfd) != bfd_target_elf_flavour
- || bfd_get_flavour (obfd) != bfd_target_elf_flavour)
- return TRUE;
-
- if (! bfin_elf_copy_private_bfd_data (ibfd, obfd))
- return FALSE;
-
- if (! elf_tdata (ibfd) || ! elf_tdata (ibfd)->phdr
- || ! elf_tdata (obfd) || ! elf_tdata (obfd)->phdr)
- return TRUE;
-
- /* Copy the stack size. */
- for (i = 0; i < elf_elfheader (ibfd)->e_phnum; i++)
- if (elf_tdata (ibfd)->phdr[i].p_type == PT_GNU_STACK)
- {
- Elf_Internal_Phdr *iphdr = &elf_tdata (ibfd)->phdr[i];
-
- for (i = 0; i < elf_elfheader (obfd)->e_phnum; i++)
- if (elf_tdata (obfd)->phdr[i].p_type == PT_GNU_STACK)
- {
- memcpy (&elf_tdata (obfd)->phdr[i], iphdr, sizeof (*iphdr));
-
- /* Rewrite the phdrs, since we're only called after they
- were first written. */
- if (bfd_seek (obfd, (bfd_signed_vma) get_elf_backend_data (obfd)
- ->s->sizeof_ehdr, SEEK_SET) != 0
- || get_elf_backend_data (obfd)->s
- ->write_out_phdrs (obfd, elf_tdata (obfd)->phdr,
- elf_elfheader (obfd)->e_phnum) != 0)
- return FALSE;
- break;
- }
-
- break;
- }
-
- return TRUE;
-}
-
-
/* Display the flags field. */
static bfd_boolean
-elf32_bfin_print_private_bfd_data (bfd * abfd, PTR ptr)
+elf32_bfin_print_private_bfd_data (bfd * abfd, void * ptr)
{
FILE *file = (FILE *) ptr;
flagword flags;
object file when linking. */
static bfd_boolean
-elf32_bfin_merge_private_bfd_data (bfd *ibfd, bfd *obfd)
+elf32_bfin_merge_private_bfd_data (bfd *ibfd, struct bfd_link_info *info)
{
+ bfd *obfd = info->output_bfd;
flagword old_flags, new_flags;
bfd_boolean error = FALSE;
+ /* FIXME: What should be checked when linking shared libraries? */
+ if ((ibfd->flags & DYNAMIC) != 0)
+ return TRUE;
+
new_flags = elf_elfheader (ibfd)->e_flags;
old_flags = elf_elfheader (obfd)->e_flags;
if (new_flags & EF_BFIN_FDPIC)
new_flags &= ~EF_BFIN_PIC;
-#ifdef DEBUG
- (*_bfd_error_handler) ("old_flags = 0x%.8lx, new_flags = 0x%.8lx, init = %s, filename = %s",
- old_flags, new_flags, elf_flags_init (obfd) ? "yes" : "no",
- bfd_get_filename (ibfd));
+#ifndef DEBUG
+ if (0)
#endif
+ _bfd_error_handler
+ ("old_flags = 0x%.8x, new_flags = 0x%.8x, init = %s, filename = %pB",
+ old_flags, new_flags, elf_flags_init (obfd) ? "yes" : "no", ibfd);
if (!elf_flags_init (obfd)) /* First call, no flags set. */
{
{
error = TRUE;
if (IS_FDPIC (obfd))
- (*_bfd_error_handler)
- (_("%s: cannot link non-fdpic object file into fdpic executable"),
- bfd_get_filename (ibfd));
+ _bfd_error_handler
+ (_("%pB: cannot link non-fdpic object file into fdpic executable"),
+ ibfd);
else
- (*_bfd_error_handler)
- (_("%s: cannot link fdpic object file into non-fdpic executable"),
- bfd_get_filename (ibfd));
+ _bfd_error_handler
+ (_("%pB: cannot link fdpic object file into non-fdpic executable"),
+ ibfd);
}
if (error)
{
struct elf_link_hash_table root;
- /* Small local sym to section mapping cache. */
- struct sym_sec_cache sym_sec;
+ /* Small local sym cache. */
+ struct sym_cache sym_cache;
};
#define bfin_hash_entry(ent) ((struct bfin_link_hash_entry *) (ent))
bfin_link_hash_table_create (bfd * abfd)
{
struct bfin_link_hash_table *ret;
- bfd_size_type amt = sizeof (struct bfin_link_hash_table);
+ size_t amt = sizeof (struct bfin_link_hash_table);
- ret = bfd_zalloc (abfd, amt);
+ ret = bfd_zmalloc (amt);
if (ret == NULL)
return NULL;
if (!_bfd_elf_link_hash_table_init (&ret->root, abfd,
bfin_link_hash_newfunc,
- sizeof (struct elf_link_hash_entry)))
+ sizeof (struct elf_link_hash_entry),
+ BFIN_ELF_DATA))
{
free (ret);
return NULL;
}
- ret->sym_sec.abfd = NULL;
+ ret->sym_cache.abfd = NULL;
return &ret->root.root;
}
static bfd_boolean
bfin_finish_dynamic_sections (bfd * output_bfd ATTRIBUTE_UNUSED,
- struct bfd_link_info *info)
+ struct bfd_link_info *info)
{
bfd *dynobj;
asection *sdyn;
dynobj = elf_hash_table (info)->dynobj;
- sdyn = bfd_get_section_by_name (dynobj, ".dynamic");
+ sdyn = bfd_get_linker_section (dynobj, ".dynamic");
if (elf_hash_table (info)->dynamic_sections_created)
{
static bfd_boolean
bfin_finish_dynamic_symbol (bfd * output_bfd,
- struct bfd_link_info *info,
- struct elf_link_hash_entry *h,
- Elf_Internal_Sym * sym)
+ struct bfd_link_info *info,
+ struct elf_link_hash_entry *h,
+ Elf_Internal_Sym * sym)
{
- bfd *dynobj;
-
- dynobj = elf_hash_table (info)->dynobj;
-
if (h->got.offset != (bfd_vma) - 1)
{
asection *sgot;
bfd_byte *loc;
/* This symbol has an entry in the global offset table.
- Set it up. */
+ Set it up. */
- sgot = bfd_get_section_by_name (dynobj, ".got");
- srela = bfd_get_section_by_name (dynobj, ".rela.got");
+ sgot = elf_hash_table (info)->sgot;
+ srela = elf_hash_table (info)->srelgot;
BFD_ASSERT (sgot != NULL && srela != NULL);
rela.r_offset = (sgot->output_section->vma
+ (h->got.offset & ~(bfd_vma) 1));
/* If this is a -Bsymbolic link, and the symbol is defined
- locally, we just want to emit a RELATIVE reloc. Likewise if
- the symbol was forced to be local because of a version file.
- The entry in the global offset table will already have been
- initialized in the relocate_section function. */
- if (info->shared
+ locally, we just want to emit a RELATIVE reloc. Likewise if
+ the symbol was forced to be local because of a version file.
+ The entry in the global offset table will already have been
+ initialized in the relocate_section function. */
+ if (bfd_link_pic (info)
&& (info->symbolic
|| h->dynindx == -1 || h->forced_local) && h->def_regular)
{
- fprintf(stderr, "*** check this relocation %s\n", __FUNCTION__);
- rela.r_info = ELF32_R_INFO (0, R_pcrel24);
+ _bfd_error_handler (_("*** check this relocation %s"),
+ __FUNCTION__);
+ rela.r_info = ELF32_R_INFO (0, R_BFIN_PCREL24);
rela.r_addend = bfd_get_signed_32 (output_bfd,
(sgot->contents
+
{
bfd_put_32 (output_bfd, (bfd_vma) 0,
sgot->contents + (h->got.offset & ~(bfd_vma) 1));
- rela.r_info = ELF32_R_INFO (h->dynindx, R_got);
+ rela.r_info = ELF32_R_INFO (h->dynindx, R_BFIN_GOT);
rela.r_addend = 0;
}
static bfd_boolean
bfin_adjust_dynamic_symbol (struct bfd_link_info *info,
- struct elf_link_hash_entry *h)
+ struct elf_link_hash_entry *h)
{
bfd *dynobj;
asection *s;
/* Make sure we know what is going on here. */
BFD_ASSERT (dynobj != NULL
&& (h->needs_plt
- || h->u.weakdef != NULL
+ || h->is_weakalias
|| (h->def_dynamic && h->ref_regular && !h->def_regular)));
/* If this is a function, put it in the procedure linkage table. We
/* If this is a weak symbol, and there is a real definition, the
processor independent code will have arranged for us to see the
real definition first, and we can just use the same value. */
- if (h->u.weakdef != NULL)
+ if (h->is_weakalias)
{
- BFD_ASSERT (h->u.weakdef->root.type == bfd_link_hash_defined
- || h->u.weakdef->root.type == bfd_link_hash_defweak);
- h->root.u.def.section = h->u.weakdef->root.u.def.section;
- h->root.u.def.value = h->u.weakdef->root.u.def.value;
+ struct elf_link_hash_entry *def = weakdef (h);
+ BFD_ASSERT (def->root.type == bfd_link_hash_defined);
+ h->root.u.def.section = def->root.u.def.section;
+ h->root.u.def.value = def->root.u.def.value;
return TRUE;
}
only references to the symbol are via the global offset table.
For such cases we need not do anything here; the relocations will
be handled correctly by relocate_section. */
- if (info->shared)
+ if (bfd_link_pic (info))
return TRUE;
/* We must allocate the symbol in our .dynbss section, which will
both the dynamic object and the regular object will refer to the
same memory location for the variable. */
- s = bfd_get_section_by_name (dynobj, ".dynbss");
+ s = bfd_get_linker_section (dynobj, ".dynbss");
BFD_ASSERT (s != NULL);
- /* We must generate a R_68K_COPY reloc to tell the dynamic linker to
+#if 0 /* Bfin does not currently have a COPY reloc. */
+ /* We must generate a R_BFIN_COPY reloc to tell the dynamic linker to
copy the initial value out of the dynamic object and into the
runtime process image. We need to remember the offset into the
.rela.bss section we are going to use. */
{
asection *srel;
- srel = bfd_get_section_by_name (dynobj, ".rela.bss");
+ srel = bfd_get_linker_section (dynobj, ".rela.bss");
BFD_ASSERT (srel != NULL);
srel->size += sizeof (Elf32_External_Rela);
h->needs_copy = 1;
}
-
+#else
+ if ((h->root.u.def.section->flags & SEC_ALLOC) != 0)
+ {
+ _bfd_error_handler (_("the bfin target does not currently support the generation of copy relocations"));
+ return FALSE;
+ }
+#endif
/* We need to figure out the alignment required for this symbol. I
have no idea how ELF linkers handle this. */
power_of_two = bfd_log2 (h->size);
/* Apply the required alignment. */
s->size = BFD_ALIGN (s->size, (bfd_size_type) (1 << power_of_two));
- if (power_of_two > bfd_get_section_alignment (dynobj, s))
+ if (power_of_two > bfd_section_alignment (s))
{
- if (!bfd_set_section_alignment (dynobj, s, power_of_two))
+ if (!bfd_set_section_alignment (s, power_of_two))
return FALSE;
}
case. */
static bfd_boolean
-bfin_discard_copies (struct elf_link_hash_entry *h, PTR inf)
+bfin_discard_copies (struct elf_link_hash_entry *h, void * inf)
{
struct bfd_link_info *info = (struct bfd_link_info *) inf;
struct bfin_pcrel_relocs_copied *s;
- if (h->root.type == bfd_link_hash_warning)
- h = (struct elf_link_hash_entry *) h->root.u.i.link;
-
if (!h->def_regular || (!info->symbolic && !h->forced_local))
{
if ((info->flags & DF_TEXTREL) == 0)
static bfd_boolean
bfin_size_dynamic_sections (bfd * output_bfd ATTRIBUTE_UNUSED,
- struct bfd_link_info *info)
+ struct bfd_link_info *info)
{
bfd *dynobj;
asection *s;
if (elf_hash_table (info)->dynamic_sections_created)
{
/* Set the contents of the .interp section to the interpreter. */
- if (info->executable)
+ if (bfd_link_executable (info) && !info->nointerp)
{
- s = bfd_get_section_by_name (dynobj, ".interp");
+ s = bfd_get_linker_section (dynobj, ".interp");
BFD_ASSERT (s != NULL);
s->size = sizeof ELF_DYNAMIC_INTERPRETER;
s->contents = (unsigned char *) ELF_DYNAMIC_INTERPRETER;
else
{
/* We may have created entries in the .rela.got section.
- However, if we are not creating the dynamic sections, we will
- not actually use these entries. Reset the size of .rela.got,
- which will cause it to get stripped from the output file
- below. */
- s = bfd_get_section_by_name (dynobj, ".rela.got");
+ However, if we are not creating the dynamic sections, we will
+ not actually use these entries. Reset the size of .rela.got,
+ which will cause it to get stripped from the output file
+ below. */
+ s = elf_hash_table (info)->srelgot;
if (s != NULL)
s->size = 0;
}
against symbols that have become local due to visibility changes.
We allocated space for them in the check_relocs routine, but we
will not fill them in in the relocate_section routine. */
- if (info->shared)
+ if (bfd_link_pic (info))
elf_link_hash_traverse (elf_hash_table (info),
- bfin_discard_copies, (PTR) info);
+ bfin_discard_copies, info);
/* The check_relocs and adjust_dynamic_symbol entry points have
determined the sizes of the various dynamic sections. Allocate
continue;
/* It's OK to base decisions on the section name, because none
- of the dynobj section names depend upon the input files. */
- name = bfd_get_section_name (dynobj, s);
+ of the dynobj section names depend upon the input files. */
+ name = bfd_section_name (s);
strip = FALSE;
if (s->size == 0)
{
/* If we don't need this section, strip it from the
- output file. This is mostly to handle .rela.bss and
- .rela.plt. We must create both sections in
- create_dynamic_sections, because they must be created
- before the linker maps input sections to output
- sections. The linker does that before
- adjust_dynamic_symbol is called, and it is that
- function which decides whether anything needs to go
- into these sections. */
+ output file. This is mostly to handle .rela.bss and
+ .rela.plt. We must create both sections in
+ create_dynamic_sections, because they must be created
+ before the linker maps input sections to output
+ sections. The linker does that before
+ adjust_dynamic_symbol is called, and it is that
+ function which decides whether anything needs to go
+ into these sections. */
strip = TRUE;
}
else
relocs = TRUE;
/* We use the reloc_count field as a counter if we need
- to copy relocs into the output file. */
+ to copy relocs into the output file. */
s->reloc_count = 0;
}
}
/* Allocate memory for the section contents. */
/* FIXME: This should be a call to bfd_alloc not bfd_zalloc.
- Unused entries should be reclaimed before the section's contents
- are written out, but at the moment this does not happen. Thus in
- order to prevent writing out garbage, we initialise the section's
- contents to zero. */
+ Unused entries should be reclaimed before the section's contents
+ are written out, but at the moment this does not happen. Thus in
+ order to prevent writing out garbage, we initialise the section's
+ contents to zero. */
s->contents = (bfd_byte *) bfd_zalloc (dynobj, s->size);
if (s->contents == NULL && s->size != 0)
return FALSE;
if (elf_hash_table (info)->dynamic_sections_created)
{
/* Add some entries to the .dynamic section. We fill in the
- values later, in bfin_finish_dynamic_sections, but we
- must add the entries now so that we get the correct size for
- the .dynamic section. The DT_DEBUG entry is filled in by the
- dynamic linker and used by the debugger. */
+ values later, in bfin_finish_dynamic_sections, but we
+ must add the entries now so that we get the correct size for
+ the .dynamic section. The DT_DEBUG entry is filled in by the
+ dynamic linker and used by the debugger. */
#define add_dynamic_entry(TAG, VAL) \
_bfd_elf_add_dynamic_entry (info, TAG, VAL)
- if (!info->shared)
+ if (!bfd_link_pic (info))
{
if (!add_dynamic_entry (DT_DEBUG, 0))
return FALSE;
after the add_symbols entry point has been called for all the
objects, and before the final_link entry point is called. */
-bfd_boolean bfd_bfin_elf32_create_embedded_relocs
- PARAMS ((bfd *, struct bfd_link_info *, asection *, asection *, char **));
-
bfd_boolean
-bfd_bfin_elf32_create_embedded_relocs (
- bfd *abfd,
- struct bfd_link_info *info,
- asection *datasec,
- asection *relsec,
- char **errmsg)
+bfd_bfin_elf32_create_embedded_relocs (bfd *abfd,
+ struct bfd_link_info *info,
+ asection *datasec,
+ asection *relsec,
+ char **errmsg)
{
Elf_Internal_Shdr *symtab_hdr;
Elf_Internal_Sym *isymbuf = NULL;
bfd_byte *p;
bfd_size_type amt;
- BFD_ASSERT (! info->relocatable);
+ BFD_ASSERT (! bfd_link_relocatable (info));
*errmsg = NULL;
/* Get a copy of the native relocations. */
internal_relocs = (_bfd_elf_link_read_relocs
- (abfd, datasec, (PTR) NULL, (Elf_Internal_Rela *) NULL,
+ (abfd, datasec, NULL, (Elf_Internal_Rela *) NULL,
info->keep_memory));
if (internal_relocs == NULL)
goto error_return;
characters. */
/* We can only relocate absolute longword relocs at run time. */
- if (ELF32_R_TYPE (irel->r_info) != (int) R_byte4_data)
+ if (ELF32_R_TYPE (irel->r_info) != (int) R_BFIN_BYTE4_DATA)
{
- *errmsg = _("unsupported reloc type");
+ *errmsg = _("unsupported relocation type");
bfd_set_error (bfd_error_bad_value);
goto error_return;
}
strncpy ((char *) p + 4, targetsec->output_section->name, 8);
}
- if (isymbuf != NULL && symtab_hdr->contents != (unsigned char *) isymbuf)
+ if (symtab_hdr->contents != (unsigned char *) isymbuf)
free (isymbuf);
- if (internal_relocs != NULL
- && elf_section_data (datasec)->relocs != internal_relocs)
+ if (elf_section_data (datasec)->relocs != internal_relocs)
free (internal_relocs);
return TRUE;
-error_return:
- if (isymbuf != NULL && symtab_hdr->contents != (unsigned char *) isymbuf)
+ error_return:
+ if (symtab_hdr->contents != (unsigned char *) isymbuf)
free (isymbuf);
- if (internal_relocs != NULL
- && elf_section_data (datasec)->relocs != internal_relocs)
+ if (elf_section_data (datasec)->relocs != internal_relocs)
free (internal_relocs);
return FALSE;
}
{
{ ".l1.text", 8, -2, SHT_PROGBITS, SHF_ALLOC + SHF_EXECINSTR },
{ ".l1.data", 8, -2, SHT_PROGBITS, SHF_ALLOC + SHF_WRITE },
- { NULL, 0, 0, 0, 0 }
+ { NULL, 0, 0, 0, 0 }
};
\f
-#define TARGET_LITTLE_SYM bfd_elf32_bfin_vec
+#define TARGET_LITTLE_SYM bfin_elf32_vec
#define TARGET_LITTLE_NAME "elf32-bfin"
#define ELF_ARCH bfd_arch_bfin
+#define ELF_TARGET_ID BFIN_ELF_DATA
#define ELF_MACHINE_CODE EM_BLACKFIN
#define ELF_MAXPAGESIZE 0x1000
#define elf_symbol_leading_char '_'
#define bfd_elf32_bfd_reloc_name_lookup \
bfin_bfd_reloc_name_lookup
#define elf_info_to_howto bfin_info_to_howto
-#define elf_info_to_howto_rel 0
+#define elf_info_to_howto_rel NULL
#define elf_backend_object_p elf32_bfin_object_p
#define bfd_elf32_bfd_is_local_label_name \
- bfin_is_local_label_name
+ bfin_is_local_label_name
#define bfin_hash_table(p) \
((struct bfin_link_hash_table *) (p)->hash)
#define elf_backend_create_dynamic_sections \
- _bfd_elf_create_dynamic_sections
+ _bfd_elf_create_dynamic_sections
#define bfd_elf32_bfd_link_hash_table_create \
- bfin_link_hash_table_create
-#define bfd_elf32_bfd_final_link bfd_elf_gc_common_final_link
+ bfin_link_hash_table_create
+#define bfd_elf32_bfd_final_link bfd_elf_gc_common_final_link
-#define elf_backend_check_relocs bfin_check_relocs
+#define elf_backend_check_relocs bfin_check_relocs
#define elf_backend_adjust_dynamic_symbol \
- bfin_adjust_dynamic_symbol
+ bfin_adjust_dynamic_symbol
#define elf_backend_size_dynamic_sections \
- bfin_size_dynamic_sections
-#define elf_backend_relocate_section bfin_relocate_section
+ bfin_size_dynamic_sections
+#define elf_backend_relocate_section bfin_relocate_section
#define elf_backend_finish_dynamic_symbol \
- bfin_finish_dynamic_symbol
+ bfin_finish_dynamic_symbol
#define elf_backend_finish_dynamic_sections \
- bfin_finish_dynamic_sections
-#define elf_backend_gc_mark_hook bfin_gc_mark_hook
-#define elf_backend_gc_sweep_hook bfin_gc_sweep_hook
+ bfin_finish_dynamic_sections
+#define elf_backend_gc_mark_hook bfin_gc_mark_hook
#define bfd_elf32_bfd_merge_private_bfd_data \
- elf32_bfin_merge_private_bfd_data
+ elf32_bfin_merge_private_bfd_data
#define bfd_elf32_bfd_set_private_flags \
- elf32_bfin_set_private_flags
+ elf32_bfin_set_private_flags
#define bfd_elf32_bfd_print_private_bfd_data \
- elf32_bfin_print_private_bfd_data
-#define elf_backend_reloc_type_class elf32_bfin_reloc_type_class
+ elf32_bfin_print_private_bfd_data
+#define elf_backend_final_write_processing \
+ elf32_bfin_final_write_processing
+#define elf_backend_reloc_type_class elf32_bfin_reloc_type_class
+#define elf_backend_stack_align 8
#define elf_backend_can_gc_sections 1
#define elf_backend_special_sections elf32_bfin_special_sections
#define elf_backend_can_refcount 1
#define elf_backend_want_got_plt 0
#define elf_backend_plt_readonly 1
#define elf_backend_want_plt_sym 0
-#define elf_backend_got_header_size 12
-#define elf_backend_rela_normal 1
+#define elf_backend_got_header_size 12
+#define elf_backend_rela_normal 1
#include "elf32-target.h"
#undef TARGET_LITTLE_SYM
-#define TARGET_LITTLE_SYM bfd_elf32_bfinfdpic_vec
+#define TARGET_LITTLE_SYM bfin_elf32_fdpic_vec
#undef TARGET_LITTLE_NAME
#define TARGET_LITTLE_NAME "elf32-bfinfdpic"
#undef elf32_bed
-#define elf32_bed elf32_bfinfdpic_bed
-
-#undef elf_backend_gc_sweep_hook
-#define elf_backend_gc_sweep_hook bfinfdpic_gc_sweep_hook
+#define elf32_bed elf32_bfinfdpic_bed
#undef elf_backend_got_header_size
-#define elf_backend_got_header_size 0
+#define elf_backend_got_header_size 0
#undef elf_backend_relocate_section
-#define elf_backend_relocate_section bfinfdpic_relocate_section
+#define elf_backend_relocate_section bfinfdpic_relocate_section
#undef elf_backend_check_relocs
-#define elf_backend_check_relocs bfinfdpic_check_relocs
+#define elf_backend_check_relocs bfinfdpic_check_relocs
#undef bfd_elf32_bfd_link_hash_table_create
#define bfd_elf32_bfd_link_hash_table_create \
#undef elf_backend_always_size_sections
#define elf_backend_always_size_sections \
elf32_bfinfdpic_always_size_sections
-#undef elf_backend_modify_program_headers
-#define elf_backend_modify_program_headers \
- elf32_bfinfdpic_modify_program_headers
-#undef bfd_elf32_bfd_copy_private_bfd_data
-#define bfd_elf32_bfd_copy_private_bfd_data \
- elf32_bfinfdpic_copy_private_bfd_data
#undef elf_backend_create_dynamic_sections
#define elf_backend_create_dynamic_sections \
#define elf_backend_finish_dynamic_sections \
elf32_bfinfdpic_finish_dynamic_sections
+#undef elf_backend_discard_info
+#define elf_backend_discard_info \
+ bfinfdpic_elf_discard_info
#undef elf_backend_can_make_relative_eh_frame
#define elf_backend_can_make_relative_eh_frame \
bfinfdpic_elf_use_relative_eh_frame
bfinfdpic_elf_encode_eh_address
#undef elf_backend_may_use_rel_p
-#define elf_backend_may_use_rel_p 1
+#define elf_backend_may_use_rel_p 1
#undef elf_backend_may_use_rela_p
-#define elf_backend_may_use_rela_p 1
+#define elf_backend_may_use_rela_p 1
/* We use REL for dynamic relocations only. */
#undef elf_backend_default_use_rela_p
-#define elf_backend_default_use_rela_p 1
+#define elf_backend_default_use_rela_p 1
#undef elf_backend_omit_section_dynsym
#define elf_backend_omit_section_dynsym _bfinfdpic_link_omit_section_dynsym
projects / deliverable / binutils-gdb.git / blobdiff