/* BFD support for handling relocation entries.
Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
- 2000, 2001, 2002, 2003, 2004, 2005, 2006
+ 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009
Free Software Foundation, Inc.
Written by Cygnus Support.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
+ the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
- Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */
+ Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
+ MA 02110-1301, USA. */
/*
SECTION
/* DO compile in the reloc_code name table from libbfd.h. */
#define _BFD_MAKE_TABLE_bfd_reloc_code_real
-#include "bfd.h"
#include "sysdep.h"
+#include "bfd.h"
#include "bfdlink.h"
#include "libbfd.h"
/*
switch (size)
{
default:
- case 0:
abort ();
case 1:
bfd_put_8 (input_bfd, x, location);
return flag;
}
+/* Clear a given location using a given howto, by applying a relocation value
+ of zero and discarding any in-place addend. This is used for fixed-up
+ relocations against discarded symbols, to make ignorable debug or unwind
+ information more obvious. */
+
+void
+_bfd_clear_contents (reloc_howto_type *howto,
+ bfd *input_bfd,
+ bfd_byte *location)
+{
+ int size;
+ bfd_vma x = 0;
+
+ /* Get the value we are going to relocate. */
+ size = bfd_get_reloc_size (howto);
+ switch (size)
+ {
+ default:
+ case 0:
+ abort ();
+ case 1:
+ x = bfd_get_8 (input_bfd, location);
+ break;
+ case 2:
+ x = bfd_get_16 (input_bfd, location);
+ break;
+ case 4:
+ x = bfd_get_32 (input_bfd, location);
+ break;
+ case 8:
+#ifdef BFD64
+ x = bfd_get_64 (input_bfd, location);
+#else
+ abort ();
+#endif
+ break;
+ }
+
+ /* Zero out the unwanted bits of X. */
+ x &= ~howto->dst_mask;
+
+ /* Put the relocated value back in the object file. */
+ switch (size)
+ {
+ default:
+ case 0:
+ abort ();
+ case 1:
+ bfd_put_8 (input_bfd, x, location);
+ break;
+ case 2:
+ bfd_put_16 (input_bfd, x, location);
+ break;
+ case 4:
+ bfd_put_32 (input_bfd, x, location);
+ break;
+ case 8:
+#ifdef BFD64
+ bfd_put_64 (input_bfd, x, location);
+#else
+ abort ();
+#endif
+ break;
+ }
+}
+
/*
DOCDD
INODE
BFD_RELOC_68K_JMP_SLOT
ENUMX
BFD_RELOC_68K_RELATIVE
+ENUMX
+ BFD_RELOC_68K_TLS_GD32
+ENUMX
+ BFD_RELOC_68K_TLS_GD16
+ENUMX
+ BFD_RELOC_68K_TLS_GD8
+ENUMX
+ BFD_RELOC_68K_TLS_LDM32
+ENUMX
+ BFD_RELOC_68K_TLS_LDM16
+ENUMX
+ BFD_RELOC_68K_TLS_LDM8
+ENUMX
+ BFD_RELOC_68K_TLS_LDO32
+ENUMX
+ BFD_RELOC_68K_TLS_LDO16
+ENUMX
+ BFD_RELOC_68K_TLS_LDO8
+ENUMX
+ BFD_RELOC_68K_TLS_IE32
+ENUMX
+ BFD_RELOC_68K_TLS_IE16
+ENUMX
+ BFD_RELOC_68K_TLS_IE8
+ENUMX
+ BFD_RELOC_68K_TLS_LE32
+ENUMX
+ BFD_RELOC_68K_TLS_LE16
+ENUMX
+ BFD_RELOC_68K_TLS_LE8
ENUMDOC
Relocations used by 68K ELF.
BFD_RELOC_SPARC_UA32
ENUMX
BFD_RELOC_SPARC_UA64
+ENUMX
+ BFD_RELOC_SPARC_GOTDATA_HIX22
+ENUMX
+ BFD_RELOC_SPARC_GOTDATA_LOX10
+ENUMX
+ BFD_RELOC_SPARC_GOTDATA_OP_HIX22
+ENUMX
+ BFD_RELOC_SPARC_GOTDATA_OP_LOX10
+ENUMX
+ BFD_RELOC_SPARC_GOTDATA_OP
ENUMDOC
SPARC ELF relocations. There is probably some overlap with other
relocation types already defined.
ENUMDOC
SPARC TLS relocations
+ENUM
+ BFD_RELOC_SPU_IMM7
+ENUMX
+ BFD_RELOC_SPU_IMM8
+ENUMX
+ BFD_RELOC_SPU_IMM10
+ENUMX
+ BFD_RELOC_SPU_IMM10W
+ENUMX
+ BFD_RELOC_SPU_IMM16
+ENUMX
+ BFD_RELOC_SPU_IMM16W
+ENUMX
+ BFD_RELOC_SPU_IMM18
+ENUMX
+ BFD_RELOC_SPU_PCREL9a
+ENUMX
+ BFD_RELOC_SPU_PCREL9b
+ENUMX
+ BFD_RELOC_SPU_PCREL16
+ENUMX
+ BFD_RELOC_SPU_LO16
+ENUMX
+ BFD_RELOC_SPU_HI16
+ENUMX
+ BFD_RELOC_SPU_PPU32
+ENUMX
+ BFD_RELOC_SPU_PPU64
+ENUMX
+ BFD_RELOC_SPU_ADD_PIC
+ENUMDOC
+ SPU Relocations.
+
ENUM
BFD_RELOC_ALPHA_GPDISP_HI16
ENUMDOC
share a common GP, and the target address is adjusted for
STO_ALPHA_STD_GPLOAD.
+ENUM
+ BFD_RELOC_ALPHA_NOP
+ENUMDOC
+ The NOP relocation outputs a NOP if the longword displacement
+ between two procedure entry points is < 2^21.
+
+ENUM
+ BFD_RELOC_ALPHA_BSR
+ENUMDOC
+ The BSR relocation outputs a BSR if the longword displacement
+ between two procedure entry points is < 2^21.
+
+ENUM
+ BFD_RELOC_ALPHA_LDA
+ENUMDOC
+ The LDA relocation outputs a LDA if the longword displacement
+ between two procedure entry points is < 2^16.
+
+ENUM
+ BFD_RELOC_ALPHA_BOH
+ENUMDOC
+ The BOH relocation outputs a BSR if the longword displacement
+ between two procedure entry points is < 2^21, or else a hint.
+
ENUM
BFD_RELOC_ALPHA_TLSGD
ENUMX
ENUMDOC
Low 16 bits of pc-relative value
+ENUM
+ BFD_RELOC_MIPS16_GOT16
+ENUMX
+ BFD_RELOC_MIPS16_CALL16
+ENUMDOC
+ Equivalent of BFD_RELOC_MIPS_*, but with the MIPS16 layout of
+ 16-bit immediate fields
ENUM
BFD_RELOC_MIPS16_HI16
ENUMDOC
MIPS ELF relocations.
COMMENT
+ENUM
+ BFD_RELOC_MIPS_COPY
+ENUMX
+ BFD_RELOC_MIPS_JUMP_SLOT
+ENUMDOC
+ MIPS ELF relocations (VxWorks and PLT extensions).
+COMMENT
+
+ENUM
+ BFD_RELOC_MOXIE_10_PCREL
+ENUMDOC
+ Moxie ELF relocations.
+COMMENT
+
ENUM
BFD_RELOC_FRV_LABEL16
ENUMX
BFD_RELOC_MN10300_RELATIVE
ENUMDOC
Adjust by program base.
+ENUM
+ BFD_RELOC_MN10300_SYM_DIFF
+ENUMDOC
+ Together with another reloc targeted at the same location,
+ allows for a value that is the difference of two symbols
+ in the same section.
+ENUM
+ BFD_RELOC_MN10300_ALIGN
+ENUMDOC
+ The addend of this reloc is an alignment power that must
+ be honoured at the offset's location, regardless of linker
+ relaxation.
COMMENT
ENUM
BFD_RELOC_386_TLS_DESC_CALL
ENUMX
BFD_RELOC_386_TLS_DESC
+ENUMX
+ BFD_RELOC_386_IRELATIVE
ENUMDOC
i386/elf relocations
BFD_RELOC_X86_64_GOTOFF64
ENUMX
BFD_RELOC_X86_64_GOTPC32
+ENUMX
+ BFD_RELOC_X86_64_GOT64
+ENUMX
+ BFD_RELOC_X86_64_GOTPCREL64
+ENUMX
+ BFD_RELOC_X86_64_GOTPC64
+ENUMX
+ BFD_RELOC_X86_64_GOTPLT64
+ENUMX
+ BFD_RELOC_X86_64_PLTOFF64
ENUMX
BFD_RELOC_X86_64_GOTPC32_TLSDESC
ENUMX
BFD_RELOC_X86_64_TLSDESC_CALL
ENUMX
BFD_RELOC_X86_64_TLSDESC
+ENUMX
+ BFD_RELOC_X86_64_IRELATIVE
ENUMDOC
x86-64/elf relocations
ENUM
BFD_RELOC_PPC_TLS
+ENUMX
+ BFD_RELOC_PPC_TLSGD
+ENUMX
+ BFD_RELOC_PPC_TLSLD
ENUMX
BFD_RELOC_PPC_DTPMOD
ENUMX
BFD_RELOC_ARM_PREL31
ENUMDOC
31-bit PC relative address.
+ENUM
+ BFD_RELOC_ARM_MOVW
+ENUMX
+ BFD_RELOC_ARM_MOVT
+ENUMX
+ BFD_RELOC_ARM_MOVW_PCREL
+ENUMX
+ BFD_RELOC_ARM_MOVT_PCREL
+ENUMX
+ BFD_RELOC_ARM_THUMB_MOVW
+ENUMX
+ BFD_RELOC_ARM_THUMB_MOVT
+ENUMX
+ BFD_RELOC_ARM_THUMB_MOVW_PCREL
+ENUMX
+ BFD_RELOC_ARM_THUMB_MOVT_PCREL
+ENUMDOC
+ Low and High halfword relocations for MOVW and MOVT instructions.
ENUM
BFD_RELOC_ARM_JUMP_SLOT
ENUMDOC
ARM thread-local storage relocations.
+ENUM
+ BFD_RELOC_ARM_ALU_PC_G0_NC
+ENUMX
+ BFD_RELOC_ARM_ALU_PC_G0
+ENUMX
+ BFD_RELOC_ARM_ALU_PC_G1_NC
+ENUMX
+ BFD_RELOC_ARM_ALU_PC_G1
+ENUMX
+ BFD_RELOC_ARM_ALU_PC_G2
+ENUMX
+ BFD_RELOC_ARM_LDR_PC_G0
+ENUMX
+ BFD_RELOC_ARM_LDR_PC_G1
+ENUMX
+ BFD_RELOC_ARM_LDR_PC_G2
+ENUMX
+ BFD_RELOC_ARM_LDRS_PC_G0
+ENUMX
+ BFD_RELOC_ARM_LDRS_PC_G1
+ENUMX
+ BFD_RELOC_ARM_LDRS_PC_G2
+ENUMX
+ BFD_RELOC_ARM_LDC_PC_G0
+ENUMX
+ BFD_RELOC_ARM_LDC_PC_G1
+ENUMX
+ BFD_RELOC_ARM_LDC_PC_G2
+ENUMX
+ BFD_RELOC_ARM_ALU_SB_G0_NC
+ENUMX
+ BFD_RELOC_ARM_ALU_SB_G0
+ENUMX
+ BFD_RELOC_ARM_ALU_SB_G1_NC
+ENUMX
+ BFD_RELOC_ARM_ALU_SB_G1
+ENUMX
+ BFD_RELOC_ARM_ALU_SB_G2
+ENUMX
+ BFD_RELOC_ARM_LDR_SB_G0
+ENUMX
+ BFD_RELOC_ARM_LDR_SB_G1
+ENUMX
+ BFD_RELOC_ARM_LDR_SB_G2
+ENUMX
+ BFD_RELOC_ARM_LDRS_SB_G0
+ENUMX
+ BFD_RELOC_ARM_LDRS_SB_G1
+ENUMX
+ BFD_RELOC_ARM_LDRS_SB_G2
+ENUMX
+ BFD_RELOC_ARM_LDC_SB_G0
+ENUMX
+ BFD_RELOC_ARM_LDC_SB_G1
+ENUMX
+ BFD_RELOC_ARM_LDC_SB_G2
+ENUMDOC
+ ARM group relocations.
+
+ENUM
+ BFD_RELOC_ARM_V4BX
+ENUMDOC
+ Annotation of BX instructions.
+
ENUM
BFD_RELOC_ARM_IMMEDIATE
ENUMX
BFD_RELOC_ARM_ADRL_IMMEDIATE
ENUMX
BFD_RELOC_ARM_T32_IMMEDIATE
+ENUMX
+ BFD_RELOC_ARM_T32_ADD_IMM
ENUMX
BFD_RELOC_ARM_T32_IMM12
ENUMX
BFD_RELOC_BFIN_24_PCREL_JUMP_L
ENUMDOC
ADI Blackfin Long Jump pcrel.
+ENUM
+ BFD_RELOC_BFIN_GOT17M4
+ENUMX
+ BFD_RELOC_BFIN_GOTHI
+ENUMX
+ BFD_RELOC_BFIN_GOTLO
+ENUMX
+ BFD_RELOC_BFIN_FUNCDESC
+ENUMX
+ BFD_RELOC_BFIN_FUNCDESC_GOT17M4
+ENUMX
+ BFD_RELOC_BFIN_FUNCDESC_GOTHI
+ENUMX
+ BFD_RELOC_BFIN_FUNCDESC_GOTLO
+ENUMX
+ BFD_RELOC_BFIN_FUNCDESC_VALUE
+ENUMX
+ BFD_RELOC_BFIN_FUNCDESC_GOTOFF17M4
+ENUMX
+ BFD_RELOC_BFIN_FUNCDESC_GOTOFFHI
+ENUMX
+ BFD_RELOC_BFIN_FUNCDESC_GOTOFFLO
+ENUMX
+ BFD_RELOC_BFIN_GOTOFF17M4
+ENUMX
+ BFD_RELOC_BFIN_GOTOFFHI
+ENUMX
+ BFD_RELOC_BFIN_GOTOFFLO
+ENUMDOC
+ ADI Blackfin FD-PIC relocations.
ENUM
BFD_RELOC_BFIN_GOT
ENUMDOC
ENUM
BFD_RELOC_M32C_HI8
+ENUMX
+ BFD_RELOC_M32C_RL_JUMP
+ENUMX
+ BFD_RELOC_M32C_RL_1ADDR
+ENUMX
+ BFD_RELOC_M32C_RL_2ADDR
ENUMDOC
Renesas M16C/M32C Relocations.
ENUMDOC
Motorola Mcore relocations.
+ENUM
+ BFD_RELOC_MEP_8
+ENUMX
+ BFD_RELOC_MEP_16
+ENUMX
+ BFD_RELOC_MEP_32
+ENUMX
+ BFD_RELOC_MEP_PCREL8A2
+ENUMX
+ BFD_RELOC_MEP_PCREL12A2
+ENUMX
+ BFD_RELOC_MEP_PCREL17A2
+ENUMX
+ BFD_RELOC_MEP_PCREL24A2
+ENUMX
+ BFD_RELOC_MEP_PCABS24A2
+ENUMX
+ BFD_RELOC_MEP_LOW16
+ENUMX
+ BFD_RELOC_MEP_HI16U
+ENUMX
+ BFD_RELOC_MEP_HI16S
+ENUMX
+ BFD_RELOC_MEP_GPREL
+ENUMX
+ BFD_RELOC_MEP_TPREL
+ENUMX
+ BFD_RELOC_MEP_TPREL7
+ENUMX
+ BFD_RELOC_MEP_TPREL7A2
+ENUMX
+ BFD_RELOC_MEP_TPREL7A4
+ENUMX
+ BFD_RELOC_MEP_UIMM24
+ENUMX
+ BFD_RELOC_MEP_ADDR24A4
+ENUMX
+ BFD_RELOC_MEP_GNU_VTINHERIT
+ENUMX
+ BFD_RELOC_MEP_GNU_VTENTRY
+ENUMDOC
+ Toshiba Media Processor Relocations.
+COMMENT
+
ENUM
BFD_RELOC_MMIX_GETA
ENUMX
ENUMDOC
This is a 16 bit reloc for the AVR that stores 8 bit value (most high 8 bit
of program memory address) into 8 bit immediate value of LDI insn.
+ENUM
+ BFD_RELOC_AVR_MS8_LDI
+ENUMDOC
+ This is a 16 bit reloc for the AVR that stores 8 bit value (most high 8 bit
+ of 32 bit value) into 8 bit immediate value of LDI insn.
ENUM
BFD_RELOC_AVR_LO8_LDI_NEG
ENUMDOC
This is a 16 bit reloc for the AVR that stores negated 8 bit value
(most high 8 bit of program memory address) into 8 bit immediate value
of LDI or SUBI insn.
+ENUM
+ BFD_RELOC_AVR_MS8_LDI_NEG
+ENUMDOC
+ This is a 16 bit reloc for the AVR that stores negated 8 bit value (msb
+ of 32 bit value) into 8 bit immediate value of LDI insn.
ENUM
BFD_RELOC_AVR_LO8_LDI_PM
ENUMDOC
This is a 16 bit reloc for the AVR that stores 8 bit value (usually
command address) into 8 bit immediate value of LDI insn.
+ENUM
+ BFD_RELOC_AVR_LO8_LDI_GS
+ENUMDOC
+ This is a 16 bit reloc for the AVR that stores 8 bit value
+ (command address) into 8 bit immediate value of LDI insn. If the address
+ is beyond the 128k boundary, the linker inserts a jump stub for this reloc
+ in the lower 128k.
ENUM
BFD_RELOC_AVR_HI8_LDI_PM
ENUMDOC
This is a 16 bit reloc for the AVR that stores 8 bit value (high 8 bit
of command address) into 8 bit immediate value of LDI insn.
+ENUM
+ BFD_RELOC_AVR_HI8_LDI_GS
+ENUMDOC
+ This is a 16 bit reloc for the AVR that stores 8 bit value (high 8 bit
+ of command address) into 8 bit immediate value of LDI insn. If the address
+ is beyond the 128k boundary, the linker inserts a jump stub for this reloc
+ below 128k.
ENUM
BFD_RELOC_AVR_HH8_LDI_PM
ENUMDOC
This is a 6 bit reloc for the AVR that stores offset for adiw/sbiw
instructions
+ENUM
+ BFD_RELOC_RX_NEG8
+ENUMX
+ BFD_RELOC_RX_NEG16
+ENUMX
+ BFD_RELOC_RX_NEG24
+ENUMX
+ BFD_RELOC_RX_NEG32
+ENUMX
+ BFD_RELOC_RX_16_OP
+ENUMX
+ BFD_RELOC_RX_24_OP
+ENUMX
+ BFD_RELOC_RX_32_OP
+ENUMX
+ BFD_RELOC_RX_8U
+ENUMX
+ BFD_RELOC_RX_16U
+ENUMX
+ BFD_RELOC_RX_24U
+ENUMX
+ BFD_RELOC_RX_DIR3U_PCREL
+ENUMX
+ BFD_RELOC_RX_DIFF
+ENUMX
+ BFD_RELOC_RX_GPRELB
+ENUMX
+ BFD_RELOC_RX_GPRELW
+ENUMX
+ BFD_RELOC_RX_GPRELL
+ENUMX
+ BFD_RELOC_RX_SYM
+ENUMX
+ BFD_RELOC_RX_OP_SUBTRACT
+ENUMX
+ BFD_RELOC_RX_ABS8
+ENUMX
+ BFD_RELOC_RX_ABS16
+ENUMX
+ BFD_RELOC_RX_ABS32
+ENUMX
+ BFD_RELOC_RX_ABS16U
+ENUMX
+ BFD_RELOC_RX_ABS16UW
+ENUMX
+ BFD_RELOC_RX_ABS16UL
+ENUMX
+ BFD_RELOC_RX_RELAX
+ENUMDOC
+ Renesas RX Relocations.
+
ENUM
BFD_RELOC_390_12
ENUMDOC
ENUMDOC
Long displacement extension.
+ENUM
+ BFD_RELOC_SCORE_GPREL15
+ENUMDOC
+ Score relocations
+ Low 16 bit for load/store
+ENUM
+ BFD_RELOC_SCORE_DUMMY2
+ENUMX
+ BFD_RELOC_SCORE_JMP
+ENUMDOC
+ This is a 24-bit reloc with the right 1 bit assumed to be 0
+ENUM
+ BFD_RELOC_SCORE_BRANCH
+ENUMDOC
+ This is a 19-bit reloc with the right 1 bit assumed to be 0
+ENUM
+ BFD_RELOC_SCORE_IMM30
+ENUMDOC
+ This is a 32-bit reloc for 48-bit instructions.
+ENUM
+ BFD_RELOC_SCORE_IMM32
+ENUMDOC
+ This is a 32-bit reloc for 48-bit instructions.
+ENUM
+ BFD_RELOC_SCORE16_JMP
+ENUMDOC
+ This is a 11-bit reloc with the right 1 bit assumed to be 0
+ENUM
+ BFD_RELOC_SCORE16_BRANCH
+ENUMDOC
+ This is a 8-bit reloc with the right 1 bit assumed to be 0
+ENUM
+ BFD_RELOC_SCORE_BCMP
+ENUMDOC
+ This is a 9-bit reloc with the right 1 bit assumed to be 0
+ENUM
+ BFD_RELOC_SCORE_GOT15
+ENUMX
+ BFD_RELOC_SCORE_GOT_LO16
+ENUMX
+ BFD_RELOC_SCORE_CALL15
+ENUMX
+ BFD_RELOC_SCORE_DUMMY_HI16
+ENUMDOC
+ Undocumented Score relocs
+
ENUM
BFD_RELOC_IP2K_FR9
ENUMDOC
ENUMDOC
NS CR16C Relocations.
+ENUM
+ BFD_RELOC_CR16_NUM8
+ENUMX
+ BFD_RELOC_CR16_NUM16
+ENUMX
+ BFD_RELOC_CR16_NUM32
+ENUMX
+ BFD_RELOC_CR16_NUM32a
+ENUMX
+ BFD_RELOC_CR16_REGREL0
+ENUMX
+ BFD_RELOC_CR16_REGREL4
+ENUMX
+ BFD_RELOC_CR16_REGREL4a
+ENUMX
+ BFD_RELOC_CR16_REGREL14
+ENUMX
+ BFD_RELOC_CR16_REGREL14a
+ENUMX
+ BFD_RELOC_CR16_REGREL16
+ENUMX
+ BFD_RELOC_CR16_REGREL20
+ENUMX
+ BFD_RELOC_CR16_REGREL20a
+ENUMX
+ BFD_RELOC_CR16_ABS20
+ENUMX
+ BFD_RELOC_CR16_ABS24
+ENUMX
+ BFD_RELOC_CR16_IMM4
+ENUMX
+ BFD_RELOC_CR16_IMM8
+ENUMX
+ BFD_RELOC_CR16_IMM16
+ENUMX
+ BFD_RELOC_CR16_IMM20
+ENUMX
+ BFD_RELOC_CR16_IMM24
+ENUMX
+ BFD_RELOC_CR16_IMM32
+ENUMX
+ BFD_RELOC_CR16_IMM32a
+ENUMX
+ BFD_RELOC_CR16_DISP4
+ENUMX
+ BFD_RELOC_CR16_DISP8
+ENUMX
+ BFD_RELOC_CR16_DISP16
+ENUMX
+ BFD_RELOC_CR16_DISP20
+ENUMX
+ BFD_RELOC_CR16_DISP24
+ENUMX
+ BFD_RELOC_CR16_DISP24a
+ENUMX
+ BFD_RELOC_CR16_SWITCH8
+ENUMX
+ BFD_RELOC_CR16_SWITCH16
+ENUMX
+ BFD_RELOC_CR16_SWITCH32
+ENUMX
+ BFD_RELOC_CR16_GOT_REGREL20
+ENUMX
+ BFD_RELOC_CR16_GOTC_REGREL20
+ENUMX
+ BFD_RELOC_CR16_GLOB_DAT
+ENUMDOC
+ NS CR16 Relocations.
+
ENUM
BFD_RELOC_CRX_REL4
ENUMX
ENUMDOC
32-bit offset to symbol with PLT entry, relative to this relocation.
+ENUM
+ BFD_RELOC_CRIS_32_GOT_GD
+ENUMX
+ BFD_RELOC_CRIS_16_GOT_GD
+ENUMX
+ BFD_RELOC_CRIS_32_GD
+ENUMX
+ BFD_RELOC_CRIS_DTP
+ENUMX
+ BFD_RELOC_CRIS_32_DTPREL
+ENUMX
+ BFD_RELOC_CRIS_16_DTPREL
+ENUMX
+ BFD_RELOC_CRIS_32_GOT_TPREL
+ENUMX
+ BFD_RELOC_CRIS_16_GOT_TPREL
+ENUMX
+ BFD_RELOC_CRIS_32_TPREL
+ENUMX
+ BFD_RELOC_CRIS_16_TPREL
+ENUMX
+ BFD_RELOC_CRIS_DTPMOD
+ENUMX
+ BFD_RELOC_CRIS_32_IE
+ENUMDOC
+ Relocs used in TLS code for CRIS.
+
ENUM
BFD_RELOC_860_COPY
ENUMX
ENUMDOC
Sony Xstormy16 Relocations.
+ENUM
+ BFD_RELOC_RELC
+ENUMDOC
+ Self-describing complex relocations.
+COMMENT
+
ENUM
BFD_RELOC_XC16X_PAG
ENUMX
assembler-expanded instructions. This is commonly used
internally by the linker after analysis of a
BFD_RELOC_XTENSA_ASM_EXPAND.
+ENUM
+ BFD_RELOC_XTENSA_TLSDESC_FN
+ENUMX
+ BFD_RELOC_XTENSA_TLSDESC_ARG
+ENUMX
+ BFD_RELOC_XTENSA_TLS_DTPOFF
+ENUMX
+ BFD_RELOC_XTENSA_TLS_TPOFF
+ENUMX
+ BFD_RELOC_XTENSA_TLS_FUNC
+ENUMX
+ BFD_RELOC_XTENSA_TLS_ARG
+ENUMX
+ BFD_RELOC_XTENSA_TLS_CALL
+ENUMDOC
+ Xtensa TLS relocations.
ENUM
BFD_RELOC_Z80_DISP8
ENUMDOC
4 bit value.
+ENUM
+ BFD_RELOC_LM32_CALL
+ENUMX
+ BFD_RELOC_LM32_BRANCH
+ENUMX
+ BFD_RELOC_LM32_16_GOT
+ENUMX
+ BFD_RELOC_LM32_GOTOFF_HI16
+ENUMX
+ BFD_RELOC_LM32_GOTOFF_LO16
+ENUMX
+ BFD_RELOC_LM32_COPY
+ENUMX
+ BFD_RELOC_LM32_GLOB_DAT
+ENUMX
+ BFD_RELOC_LM32_JMP_SLOT
+ENUMX
+ BFD_RELOC_LM32_RELATIVE
+ENUMDOC
+ Lattice Mico32 relocations.
+
+ENUM
+ BFD_RELOC_MACH_O_SECTDIFF
+ENUMDOC
+ Difference between two section addreses. Must be followed by a
+ BFD_RELOC_MACH_O_PAIR.
+ENUM
+ BFD_RELOC_MACH_O_PAIR
+ENUMDOC
+ Pair of relocation. Contains the first symbol.
+
+ENUM
+ BFD_RELOC_MACH_O_X86_64_BRANCH32
+ENUMX
+ BFD_RELOC_MACH_O_X86_64_BRANCH8
+ENUMDOC
+ PCREL relocations. They are marked as branch to create PLT entry if
+ required.
+ENUM
+ BFD_RELOC_MACH_O_X86_64_GOT
+ENUMDOC
+ Used when referencing a GOT entry.
+ENUM
+ BFD_RELOC_MACH_O_X86_64_GOT_LOAD
+ENUMDOC
+ Used when loading a GOT entry with movq. It is specially marked so that
+ the linker could optimize the movq to a leaq if possible.
+ENUM
+ BFD_RELOC_MACH_O_X86_64_SUBTRACTOR32
+ENUMDOC
+ Symbol will be substracted. Must be followed by a BFD_RELOC_64.
+ENUM
+ BFD_RELOC_MACH_O_X86_64_SUBTRACTOR64
+ENUMDOC
+ Symbol will be substracted. Must be followed by a BFD_RELOC_64.
+ENUM
+ BFD_RELOC_MACH_O_X86_64_PCREL32_1
+ENUMDOC
+ Same as BFD_RELOC_32_PCREL but with an implicit -1 addend.
+ENUM
+ BFD_RELOC_MACH_O_X86_64_PCREL32_2
+ENUMDOC
+ Same as BFD_RELOC_32_PCREL but with an implicit -2 addend.
+ENUM
+ BFD_RELOC_MACH_O_X86_64_PCREL32_4
+ENUMDOC
+ Same as BFD_RELOC_32_PCREL but with an implicit -4 addend.
+
+ENUM
+ BFD_RELOC_MICROBLAZE_32_LO
+ENUMDOC
+ This is a 32 bit reloc for the microblaze that stores the
+ low 16 bits of a value
+ENUM
+ BFD_RELOC_MICROBLAZE_32_LO_PCREL
+ENUMDOC
+ This is a 32 bit pc-relative reloc for the microblaze that
+ stores the low 16 bits of a value
+ENUM
+ BFD_RELOC_MICROBLAZE_32_ROSDA
+ENUMDOC
+ This is a 32 bit reloc for the microblaze that stores a
+ value relative to the read-only small data area anchor
+ENUM
+ BFD_RELOC_MICROBLAZE_32_RWSDA
+ENUMDOC
+ This is a 32 bit reloc for the microblaze that stores a
+ value relative to the read-write small data area anchor
+ENUM
+ BFD_RELOC_MICROBLAZE_32_SYM_OP_SYM
+ENUMDOC
+ This is a 32 bit reloc for the microblaze to handle
+ expressions of the form "Symbol Op Symbol"
+ENUM
+ BFD_RELOC_MICROBLAZE_64_NONE
+ENUMDOC
+ This is a 64 bit reloc that stores the 32 bit pc relative
+ value in two words (with an imm instruction). No relocation is
+ done here - only used for relaxing
+ENUM
+ BFD_RELOC_MICROBLAZE_64_GOTPC
+ENUMDOC
+ This is a 64 bit reloc that stores the 32 bit pc relative
+ value in two words (with an imm instruction). The relocation is
+ PC-relative GOT offset
+ENUM
+ BFD_RELOC_MICROBLAZE_64_GOT
+ENUMDOC
+ This is a 64 bit reloc that stores the 32 bit pc relative
+ value in two words (with an imm instruction). The relocation is
+ GOT offset
+ENUM
+ BFD_RELOC_MICROBLAZE_64_PLT
+ENUMDOC
+ This is a 64 bit reloc that stores the 32 bit pc relative
+ value in two words (with an imm instruction). The relocation is
+ PC-relative offset into PLT
+ENUM
+ BFD_RELOC_MICROBLAZE_64_GOTOFF
+ENUMDOC
+ This is a 64 bit reloc that stores the 32 bit GOT relative
+ value in two words (with an imm instruction). The relocation is
+ relative offset from _GLOBAL_OFFSET_TABLE_
+ENUM
+ BFD_RELOC_MICROBLAZE_32_GOTOFF
+ENUMDOC
+ This is a 32 bit reloc that stores the 32 bit GOT relative
+ value in a word. The relocation is relative offset from
+ _GLOBAL_OFFSET_TABLE_
+ENUM
+ BFD_RELOC_MICROBLAZE_COPY
+ENUMDOC
+ This is used to tell the dynamic linker to copy the value out of
+ the dynamic object into the runtime process image.
+
+
ENDSENUM
BFD_RELOC_UNUSED
CODE_FRAGMENT
/*
FUNCTION
bfd_reloc_type_lookup
+ bfd_reloc_name_lookup
SYNOPSIS
reloc_howto_type *bfd_reloc_type_lookup
(bfd *abfd, bfd_reloc_code_real_type code);
+ reloc_howto_type *bfd_reloc_name_lookup
+ (bfd *abfd, const char *reloc_name);
DESCRIPTION
Return a pointer to a howto structure which, when
return BFD_SEND (abfd, reloc_type_lookup, (abfd, code));
}
+reloc_howto_type *
+bfd_reloc_name_lookup (bfd *abfd, const char *reloc_name)
+{
+ return BFD_SEND (abfd, reloc_name_lookup, (abfd, reloc_name));
+}
+
static reloc_howto_type bfd_howto_32 =
HOWTO (0, 00, 2, 32, FALSE, 0, complain_overflow_dont, 0, "VRT32", FALSE, 0xffffffff, 0xffffffff, TRUE);
struct bfd_link_info *link_info ATTRIBUTE_UNUSED,
bfd_boolean *again)
{
+ if (link_info->relocatable)
+ (*link_info->callbacks->einfo)
+ (_("%P%F: --relax and -r may not be used together\n"));
+
*again = FALSE;
return TRUE;
}
bfd_boolean relocatable,
asymbol **symbols)
{
- /* Get enough memory to hold the stuff. */
bfd *input_bfd = link_order->u.indirect.section->owner;
asection *input_section = link_order->u.indirect.section;
-
- long reloc_size = bfd_get_reloc_upper_bound (input_bfd, input_section);
- arelent **reloc_vector = NULL;
+ long reloc_size;
+ arelent **reloc_vector;
long reloc_count;
bfd_size_type sz;
+ reloc_size = bfd_get_reloc_upper_bound (input_bfd, input_section);
if (reloc_size < 0)
- goto error_return;
-
- reloc_vector = bfd_malloc (reloc_size);
- if (reloc_vector == NULL && reloc_size != 0)
- goto error_return;
+ return NULL;
/* Read in the section. */
sz = input_section->rawsize ? input_section->rawsize : input_section->size;
if (!bfd_get_section_contents (input_bfd, input_section, data, 0, sz))
- goto error_return;
+ return NULL;
+
+ if (reloc_size == 0)
+ return data;
+
+ reloc_vector = (arelent **) bfd_malloc (reloc_size);
+ if (reloc_vector == NULL)
+ return NULL;
reloc_count = bfd_canonicalize_reloc (input_bfd,
input_section,
for (parent = reloc_vector; *parent != NULL; parent++)
{
char *error_message = NULL;
- bfd_reloc_status_type r =
- bfd_perform_relocation (input_bfd,
- *parent,
- data,
- input_section,
- relocatable ? abfd : NULL,
- &error_message);
+ asymbol *symbol;
+ bfd_reloc_status_type r;
+
+ symbol = *(*parent)->sym_ptr_ptr;
+ if (symbol->section && elf_discarded_section (symbol->section))
+ {
+ bfd_byte *p;
+ static reloc_howto_type none_howto
+ = HOWTO (0, 0, 0, 0, FALSE, 0, complain_overflow_dont, NULL,
+ "unused", FALSE, 0, 0, FALSE);
+
+ p = data + (*parent)->address * bfd_octets_per_byte (input_bfd);
+ _bfd_clear_contents ((*parent)->howto, input_bfd, p);
+ (*parent)->sym_ptr_ptr = bfd_abs_section.symbol_ptr_ptr;
+ (*parent)->addend = 0;
+ (*parent)->howto = &none_howto;
+ r = bfd_reloc_ok;
+ }
+ else
+ r = bfd_perform_relocation (input_bfd,
+ *parent,
+ data,
+ input_section,
+ relocatable ? abfd : NULL,
+ &error_message);
if (relocatable)
{
}
}
}
- if (reloc_vector != NULL)
- free (reloc_vector);
+
+ free (reloc_vector);
return data;
error_return:
- if (reloc_vector != NULL)
- free (reloc_vector);
+ free (reloc_vector);
return NULL;
}
projects / deliverable / binutils-gdb.git / blobdiff