/* BFD support for handling relocation entries.
- Copyright 1990-2013 Free Software Foundation, Inc.
+ Copyright (C) 1990-2015 Free Software Foundation, Inc.
Written by Cygnus Support.
This file is part of BFD, the Binary File Descriptor library.
case 3: return 0;
case 4: return 8;
case 8: return 16;
+ case -1: return 2;
case -2: return 4;
default: abort ();
}
{
bfd_vma relocation;
bfd_reloc_status_type flag = bfd_reloc_ok;
- bfd_size_type octets = reloc_entry->address * bfd_octets_per_byte (abfd);
+ bfd_size_type octets;
bfd_vma output_base = 0;
reloc_howto_type *howto = reloc_entry->howto;
asection *reloc_target_output_section;
return bfd_reloc_ok;
}
+ /* PR 17512: file: 0f67f69d. */
+ if (howto == NULL)
+ return bfd_reloc_undefined;
+
/* If we are not producing relocatable output, return an error if
the symbol is not defined. An undefined weak symbol is
considered to have a value of zero (SVR4 ABI, p. 4-27). */
return cont;
}
- /* Is the address of the relocation really within the section? */
- if (reloc_entry->address > bfd_get_section_limit (abfd, input_section))
+ /* Is the address of the relocation really within the section?
+ Include the size of the reloc in the test for out of range addresses.
+ PR 17512: file: c146ab8b, 46dff27f, 38e53ebf. */
+ octets = reloc_entry->address * bfd_octets_per_byte (abfd);
+ if (octets + bfd_get_reloc_size (howto)
+ > bfd_get_section_limit_octets (abfd, input_section))
return bfd_reloc_outofrange;
/* Work out which section the relocation is targeted at and the
}
}
}
- else
- {
- reloc_entry->addend = 0;
- }
/* FIXME: This overflow checking is incomplete, because the value
might have overflowed before we get here. For a correct check we
{
bfd_vma relocation;
bfd_reloc_status_type flag = bfd_reloc_ok;
- bfd_size_type octets = reloc_entry->address * bfd_octets_per_byte (abfd);
+ bfd_size_type octets;
bfd_vma output_base = 0;
reloc_howto_type *howto = reloc_entry->howto;
asection *reloc_target_output_section;
}
/* Is the address of the relocation really within the section? */
- if (reloc_entry->address > bfd_get_section_limit (abfd, input_section))
+ octets = reloc_entry->address * bfd_octets_per_byte (abfd);
+ if (octets + bfd_get_reloc_size (howto)
+ > bfd_get_section_limit_octets (abfd, input_section))
return bfd_reloc_outofrange;
/* Work out which section the relocation is targeted at and the
bfd_vma addend)
{
bfd_vma relocation;
+ bfd_size_type octets = address * bfd_octets_per_byte (input_bfd);
/* Sanity check the address. */
- if (address > bfd_get_section_limit (input_bfd, input_section))
+ if (octets + bfd_get_reloc_size (howto)
+ > bfd_get_section_limit_octets (input_bfd, input_section))
return bfd_reloc_outofrange;
/* This function assumes that we are dealing with a basic relocation
switch (size)
{
default:
- case 0:
abort ();
+ case 0:
+ return bfd_reloc_ok;
case 1:
x = bfd_get_8 (input_bfd, location);
break;
switch (size)
{
default:
- case 0:
abort ();
+ case 0:
+ return;
case 1:
x = bfd_get_8 (input_bfd, location);
break;
ENUMDOC
microMIPS PC-relative relocations.
+ENUM
+ BFD_RELOC_MIPS_21_PCREL_S2
+ENUMX
+ BFD_RELOC_MIPS_26_PCREL_S2
+ENUMX
+ BFD_RELOC_MIPS_18_PCREL_S3
+ENUMX
+ BFD_RELOC_MIPS_19_PCREL_S2
+ENUMDOC
+ MIPS PC-relative relocations.
+
ENUM
BFD_RELOC_MICROMIPS_GPREL16
ENUMX
Moxie ELF relocations.
COMMENT
+ENUM
+ BFD_RELOC_FT32_10
+ENUMX
+ BFD_RELOC_FT32_20
+ENUMX
+ BFD_RELOC_FT32_17
+ENUMX
+ BFD_RELOC_FT32_18
+ENUMDOC
+ FT32 ELF relocations.
+COMMENT
+
ENUM
BFD_RELOC_FRV_LABEL16
ENUMX
BFD_RELOC_PPC64_ADDR16_HIGH
ENUMX
BFD_RELOC_PPC64_ADDR16_HIGHA
+ENUMX
+ BFD_RELOC_PPC64_ADDR64_LOCAL
ENUMDOC
Power(rs6000) and PowerPC relocations.
For PIC.
+ENUM
+ BFD_RELOC_NDS32_20
+ENUMDOC
+ NDS32 relocs.
+ This is a 20 bit absolute address.
+ENUM
+ BFD_RELOC_NDS32_9_PCREL
+ENUMDOC
+ This is a 9-bit pc-relative reloc with the right 1 bit assumed to be 0.
+ENUM
+ BFD_RELOC_NDS32_WORD_9_PCREL
+ENUMDOC
+ This is a 9-bit pc-relative reloc with the right 1 bit assumed to be 0.
+ENUM
+ BFD_RELOC_NDS32_15_PCREL
+ENUMDOC
+ This is an 15-bit reloc with the right 1 bit assumed to be 0.
+ENUM
+ BFD_RELOC_NDS32_17_PCREL
+ENUMDOC
+ This is an 17-bit reloc with the right 1 bit assumed to be 0.
+ENUM
+ BFD_RELOC_NDS32_25_PCREL
+ENUMDOC
+ This is a 25-bit reloc with the right 1 bit assumed to be 0.
+ENUM
+ BFD_RELOC_NDS32_HI20
+ENUMDOC
+ This is a 20-bit reloc containing the high 20 bits of an address
+ used with the lower 12 bits
+ENUM
+ BFD_RELOC_NDS32_LO12S3
+ENUMDOC
+ This is a 12-bit reloc containing the lower 12 bits of an address
+ then shift right by 3. This is used with ldi,sdi...
+ENUM
+ BFD_RELOC_NDS32_LO12S2
+ENUMDOC
+ This is a 12-bit reloc containing the lower 12 bits of an address
+ then shift left by 2. This is used with lwi,swi...
+ENUM
+ BFD_RELOC_NDS32_LO12S1
+ENUMDOC
+ This is a 12-bit reloc containing the lower 12 bits of an address
+ then shift left by 1. This is used with lhi,shi...
+ENUM
+ BFD_RELOC_NDS32_LO12S0
+ENUMDOC
+ This is a 12-bit reloc containing the lower 12 bits of an address
+ then shift left by 0. This is used with lbisbi...
+ENUM
+ BFD_RELOC_NDS32_LO12S0_ORI
+ENUMDOC
+ This is a 12-bit reloc containing the lower 12 bits of an address
+ then shift left by 0. This is only used with branch relaxations
+ENUM
+ BFD_RELOC_NDS32_SDA15S3
+ENUMDOC
+ This is a 15-bit reloc containing the small data area 18-bit signed offset
+ and shift left by 3 for use in ldi, sdi...
+ENUM
+ BFD_RELOC_NDS32_SDA15S2
+ENUMDOC
+ This is a 15-bit reloc containing the small data area 17-bit signed offset
+ and shift left by 2 for use in lwi, swi...
+ENUM
+ BFD_RELOC_NDS32_SDA15S1
+ENUMDOC
+ This is a 15-bit reloc containing the small data area 16-bit signed offset
+ and shift left by 1 for use in lhi, shi...
+ENUM
+ BFD_RELOC_NDS32_SDA15S0
+ENUMDOC
+ This is a 15-bit reloc containing the small data area 15-bit signed offset
+ and shift left by 0 for use in lbi, sbi...
+ENUM
+ BFD_RELOC_NDS32_SDA16S3
+ENUMDOC
+ This is a 16-bit reloc containing the small data area 16-bit signed offset
+ and shift left by 3
+ENUM
+ BFD_RELOC_NDS32_SDA17S2
+ENUMDOC
+ This is a 17-bit reloc containing the small data area 17-bit signed offset
+ and shift left by 2 for use in lwi.gp, swi.gp...
+ENUM
+ BFD_RELOC_NDS32_SDA18S1
+ENUMDOC
+ This is a 18-bit reloc containing the small data area 18-bit signed offset
+ and shift left by 1 for use in lhi.gp, shi.gp...
+ENUM
+ BFD_RELOC_NDS32_SDA19S0
+ENUMDOC
+ This is a 19-bit reloc containing the small data area 19-bit signed offset
+ and shift left by 0 for use in lbi.gp, sbi.gp...
+ENUM
+ BFD_RELOC_NDS32_GOT20
+ENUMX
+ BFD_RELOC_NDS32_9_PLTREL
+ENUMX
+ BFD_RELOC_NDS32_25_PLTREL
+ENUMX
+ BFD_RELOC_NDS32_COPY
+ENUMX
+ BFD_RELOC_NDS32_GLOB_DAT
+ENUMX
+ BFD_RELOC_NDS32_JMP_SLOT
+ENUMX
+ BFD_RELOC_NDS32_RELATIVE
+ENUMX
+ BFD_RELOC_NDS32_GOTOFF
+ENUMX
+ BFD_RELOC_NDS32_GOTOFF_HI20
+ENUMX
+ BFD_RELOC_NDS32_GOTOFF_LO12
+ENUMX
+ BFD_RELOC_NDS32_GOTPC20
+ENUMX
+ BFD_RELOC_NDS32_GOT_HI20
+ENUMX
+ BFD_RELOC_NDS32_GOT_LO12
+ENUMX
+ BFD_RELOC_NDS32_GOTPC_HI20
+ENUMX
+ BFD_RELOC_NDS32_GOTPC_LO12
+ENUMDOC
+ for PIC
+ENUM
+ BFD_RELOC_NDS32_INSN16
+ENUMX
+ BFD_RELOC_NDS32_LABEL
+ENUMX
+ BFD_RELOC_NDS32_LONGCALL1
+ENUMX
+ BFD_RELOC_NDS32_LONGCALL2
+ENUMX
+ BFD_RELOC_NDS32_LONGCALL3
+ENUMX
+ BFD_RELOC_NDS32_LONGJUMP1
+ENUMX
+ BFD_RELOC_NDS32_LONGJUMP2
+ENUMX
+ BFD_RELOC_NDS32_LONGJUMP3
+ENUMX
+ BFD_RELOC_NDS32_LOADSTORE
+ENUMX
+ BFD_RELOC_NDS32_9_FIXED
+ENUMX
+ BFD_RELOC_NDS32_15_FIXED
+ENUMX
+ BFD_RELOC_NDS32_17_FIXED
+ENUMX
+ BFD_RELOC_NDS32_25_FIXED
+ENUMX
+ BFD_RELOC_NDS32_LONGCALL4
+ENUMX
+ BFD_RELOC_NDS32_LONGCALL5
+ENUMX
+ BFD_RELOC_NDS32_LONGCALL6
+ENUMX
+ BFD_RELOC_NDS32_LONGJUMP4
+ENUMX
+ BFD_RELOC_NDS32_LONGJUMP5
+ENUMX
+ BFD_RELOC_NDS32_LONGJUMP6
+ENUMX
+ BFD_RELOC_NDS32_LONGJUMP7
+ENUMDOC
+ for relax
+ENUM
+ BFD_RELOC_NDS32_PLTREL_HI20
+ENUMX
+ BFD_RELOC_NDS32_PLTREL_LO12
+ENUMX
+ BFD_RELOC_NDS32_PLT_GOTREL_HI20
+ENUMX
+ BFD_RELOC_NDS32_PLT_GOTREL_LO12
+ENUMDOC
+ for PIC
+ENUM
+ BFD_RELOC_NDS32_SDA12S2_DP
+ENUMX
+ BFD_RELOC_NDS32_SDA12S2_SP
+ENUMX
+ BFD_RELOC_NDS32_LO12S2_DP
+ENUMX
+ BFD_RELOC_NDS32_LO12S2_SP
+ENUMDOC
+ for floating point
+ENUM
+ BFD_RELOC_NDS32_DWARF2_OP1
+ENUMX
+ BFD_RELOC_NDS32_DWARF2_OP2
+ENUMX
+ BFD_RELOC_NDS32_DWARF2_LEB
+ENUMDOC
+ for dwarf2 debug_line.
+ENUM
+ BFD_RELOC_NDS32_UPDATE_TA
+ENUMDOC
+ for eliminate 16-bit instructions
+ENUM
+ BFD_RELOC_NDS32_PLT_GOTREL_LO20
+ENUMX
+ BFD_RELOC_NDS32_PLT_GOTREL_LO15
+ENUMX
+ BFD_RELOC_NDS32_PLT_GOTREL_LO19
+ENUMX
+ BFD_RELOC_NDS32_GOT_LO15
+ENUMX
+ BFD_RELOC_NDS32_GOT_LO19
+ENUMX
+ BFD_RELOC_NDS32_GOTOFF_LO15
+ENUMX
+ BFD_RELOC_NDS32_GOTOFF_LO19
+ENUMX
+ BFD_RELOC_NDS32_GOT15S2
+ENUMX
+ BFD_RELOC_NDS32_GOT17S2
+ENUMDOC
+ for PIC object relaxation
+ENUM
+ BFD_RELOC_NDS32_5
+ENUMDOC
+ NDS32 relocs.
+ This is a 5 bit absolute address.
+ENUM
+ BFD_RELOC_NDS32_10_UPCREL
+ENUMDOC
+ This is a 10-bit unsigned pc-relative reloc with the right 1 bit assumed to be 0.
+ENUM
+ BFD_RELOC_NDS32_SDA_FP7U2_RELA
+ENUMDOC
+ If fp were omitted, fp can used as another gp.
+ENUM
+ BFD_RELOC_NDS32_RELAX_ENTRY
+ENUMX
+ BFD_RELOC_NDS32_GOT_SUFF
+ENUMX
+ BFD_RELOC_NDS32_GOTOFF_SUFF
+ENUMX
+ BFD_RELOC_NDS32_PLT_GOT_SUFF
+ENUMX
+ BFD_RELOC_NDS32_MULCALL_SUFF
+ENUMX
+ BFD_RELOC_NDS32_PTR
+ENUMX
+ BFD_RELOC_NDS32_PTR_COUNT
+ENUMX
+ BFD_RELOC_NDS32_PTR_RESOLVED
+ENUMX
+ BFD_RELOC_NDS32_PLTBLOCK
+ENUMX
+ BFD_RELOC_NDS32_RELAX_REGION_BEGIN
+ENUMX
+ BFD_RELOC_NDS32_RELAX_REGION_END
+ENUMX
+ BFD_RELOC_NDS32_MINUEND
+ENUMX
+ BFD_RELOC_NDS32_SUBTRAHEND
+ENUMX
+ BFD_RELOC_NDS32_DIFF8
+ENUMX
+ BFD_RELOC_NDS32_DIFF16
+ENUMX
+ BFD_RELOC_NDS32_DIFF32
+ENUMX
+ BFD_RELOC_NDS32_DIFF_ULEB128
+ENUMX
+ BFD_RELOC_NDS32_EMPTY
+ENUMDOC
+ relaxation relative relocation types
+ENUM
+ BFD_RELOC_NDS32_25_ABS
+ENUMDOC
+ This is a 25 bit absolute address.
+ENUM
+ BFD_RELOC_NDS32_DATA
+ENUMX
+ BFD_RELOC_NDS32_TRAN
+ENUMX
+ BFD_RELOC_NDS32_17IFC_PCREL
+ENUMX
+ BFD_RELOC_NDS32_10IFCU_PCREL
+ENUMDOC
+ For ex9 and ifc using.
+ENUM
+ BFD_RELOC_NDS32_TPOFF
+ENUMX
+ BFD_RELOC_NDS32_TLS_LE_HI20
+ENUMX
+ BFD_RELOC_NDS32_TLS_LE_LO12
+ENUMX
+ BFD_RELOC_NDS32_TLS_LE_ADD
+ENUMX
+ BFD_RELOC_NDS32_TLS_LE_LS
+ENUMX
+ BFD_RELOC_NDS32_GOTTPOFF
+ENUMX
+ BFD_RELOC_NDS32_TLS_IE_HI20
+ENUMX
+ BFD_RELOC_NDS32_TLS_IE_LO12S2
+ENUMX
+ BFD_RELOC_NDS32_TLS_TPOFF
+ENUMX
+ BFD_RELOC_NDS32_TLS_LE_20
+ENUMX
+ BFD_RELOC_NDS32_TLS_LE_15S0
+ENUMX
+ BFD_RELOC_NDS32_TLS_LE_15S1
+ENUMX
+ BFD_RELOC_NDS32_TLS_LE_15S2
+ENUMDOC
+ For TLS.
+
+
ENUM
BFD_RELOC_V850_9_PCREL
ENUMDOC
ENUMDOC
This is a 8 bit reloc for the AVR that stores bits 16..23 of a symbol
in .byte hlo8(symbol)
-
+ENUM
+ BFD_RELOC_AVR_DIFF8
+ENUMX
+ BFD_RELOC_AVR_DIFF16
+ENUMX
+ BFD_RELOC_AVR_DIFF32
+ENUMDOC
+ AVR relocations to mark the difference of two local symbols.
+ These are only needed to support linker relaxation and can be ignored
+ when not relaxing. The field is set to the value of the difference
+ assuming no relaxation. The relocation encodes the position of the
+ second symbol so the linker can determine whether to adjust the field
+ value.
+ENUM
+ BFD_RELOC_AVR_LDS_STS_16
+ENUMDOC
+ This is a 7 bit reloc for the AVR that stores SRAM address for 16bit
+ lds and sts instructions supported only tiny core.
+ENUM
+ BFD_RELOC_AVR_PORT6
+ENUMDOC
+ This is a 6 bit reloc for the AVR that stores an I/O register
+ number for the IN and OUT instructions
+ENUM
+ BFD_RELOC_AVR_PORT5
+ENUMDOC
+ This is a 5 bit reloc for the AVR that stores an I/O register
+ number for the SBIC, SBIS, SBI and CBI instructions
ENUM
BFD_RELOC_RL78_NEG8
ENUMX
Intel i860 Relocations.
ENUM
- BFD_RELOC_OPENRISC_ABS_26
+ BFD_RELOC_OR1K_REL_26
+ENUMX
+ BFD_RELOC_OR1K_GOTPC_HI16
+ENUMX
+ BFD_RELOC_OR1K_GOTPC_LO16
+ENUMX
+ BFD_RELOC_OR1K_GOT16
+ENUMX
+ BFD_RELOC_OR1K_PLT26
+ENUMX
+ BFD_RELOC_OR1K_GOTOFF_HI16
+ENUMX
+ BFD_RELOC_OR1K_GOTOFF_LO16
+ENUMX
+ BFD_RELOC_OR1K_COPY
+ENUMX
+ BFD_RELOC_OR1K_GLOB_DAT
+ENUMX
+ BFD_RELOC_OR1K_JMP_SLOT
+ENUMX
+ BFD_RELOC_OR1K_RELATIVE
+ENUMX
+ BFD_RELOC_OR1K_TLS_GD_HI16
+ENUMX
+ BFD_RELOC_OR1K_TLS_GD_LO16
+ENUMX
+ BFD_RELOC_OR1K_TLS_LDM_HI16
+ENUMX
+ BFD_RELOC_OR1K_TLS_LDM_LO16
+ENUMX
+ BFD_RELOC_OR1K_TLS_LDO_HI16
+ENUMX
+ BFD_RELOC_OR1K_TLS_LDO_LO16
+ENUMX
+ BFD_RELOC_OR1K_TLS_IE_HI16
+ENUMX
+ BFD_RELOC_OR1K_TLS_IE_LO16
ENUMX
- BFD_RELOC_OPENRISC_REL_26
+ BFD_RELOC_OR1K_TLS_LE_HI16
+ENUMX
+ BFD_RELOC_OR1K_TLS_LE_LO16
+ENUMX
+ BFD_RELOC_OR1K_TLS_TPOFF
+ENUMX
+ BFD_RELOC_OR1K_TLS_DTPOFF
+ENUMX
+ BFD_RELOC_OR1K_TLS_DTPMOD
ENUMDOC
- OpenRISC Relocations.
+ OpenRISC 1000 Relocations.
ENUM
BFD_RELOC_H8_DIR16A8
BFD_RELOC_NIOS2_RELATIVE
ENUMX
BFD_RELOC_NIOS2_GOTOFF
+ENUMX
+ BFD_RELOC_NIOS2_CALL26_NOAT
+ENUMX
+ BFD_RELOC_NIOS2_GOT_LO
+ENUMX
+ BFD_RELOC_NIOS2_GOT_HA
+ENUMX
+ BFD_RELOC_NIOS2_CALL_LO
+ENUMX
+ BFD_RELOC_NIOS2_CALL_HA
ENUMDOC
Relocations used by the Altera Nios II core.
Unsigned 12 bit byte offset for 32 bit load/store from the page of
the GOT entry for this symbol. Used in conjunction with
BFD_RELOC_AARCH64_ADR_GOTPAGE. Valid in ILP32 ABI only.
+ENUM
+ BFD_RELOC_AARCH64_LD32_GOTPAGE_LO14
+ENUMDOC
+ Scaled 14 bit byte offset to the page base of the global offset table.
+ENUM
+ BFD_RELOC_AARCH64_LD64_GOTPAGE_LO15
+ENUMDOC
+ Scaled 15 bit byte offset to the page base of the global offset table.
ENUM
BFD_RELOC_AARCH64_TLSGD_ADR_PAGE21
ENUMDOC
tls_index structure as part of an adrp instruction using a 21 bit PC
relative value. Used in conjunction with
BFD_RELOC_AARCH64_TLSGD_ADD_LO12_NC.
+ENUM
+ BFD_RELOC_AARCH64_TLSGD_ADR_PREL21
+ENUMDOC
+ AArch64 TLS General Dynamic
ENUM
BFD_RELOC_AARCH64_TLSGD_ADD_LO12_NC
ENUMDOC
BFD_RELOC_TILEGX_IMM8_Y1_TLS_ADD
ENUMDOC
Tilera TILE-Gx Relocations.
+
ENUM
BFD_RELOC_EPIPHANY_SIMM8
ENUMDOC
ENUMDOC
Adapteva EPIPHANY - 8 bit immediate for 16 bit mov instruction.
+ENUM
+ BFD_RELOC_VISIUM_HI16
+ENUMX
+ BFD_RELOC_VISIUM_LO16
+ENUMX
+ BFD_RELOC_VISIUM_IM16
+ENUMX
+ BFD_RELOC_VISIUM_REL16
+ENUMX
+ BFD_RELOC_VISIUM_HI16_PCREL
+ENUMX
+ BFD_RELOC_VISIUM_LO16_PCREL
+ENUMX
+ BFD_RELOC_VISIUM_IM16_PCREL
+ENUMDOC
+ Visium Relocations.
ENDSENUM
BFD_RELOC_UNUSED
abfd, input_section, * parent);
goto error_return;
+ case bfd_reloc_notsupported:
+ /* PR ld/17512
+ This error can result when processing a corrupt binary.
+ Do not abort. Issue an error message instead. */
+ link_info->callbacks->einfo
+ (_("%X%P: %B(%A): relocation \"%R\" is not supported\n"),
+ abfd, input_section, * parent);
+ goto error_return;
+
default:
- abort ();
+ /* PR 17512; file: 90c2a92e.
+ Report unexpected results, without aborting. */
+ link_info->callbacks->einfo
+ (_("%X%P: %B(%A): relocation \"%R\" returns an unrecognized value %x\n"),
+ abfd, input_section, * parent, r);
break;
}
projects / deliverable / binutils-gdb.git / blobdiff