/* BFD support for handling relocation entries.
Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
- 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007
+ 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011
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
. when doing overflow checking. *}
. unsigned int bitsize;
.
-. {* Notes that the relocation is relative to the location in the
-. data section of the addend. The relocation function will
-. subtract from the relocation value the address of the location
-. being relocated. *}
+. {* The relocation is relative to the field being relocated. *}
. bfd_boolean pc_relative;
.
. {* The bit position of the reloc value in the destination.
overflow check. */
fieldmask = N_ONES (bitsize);
signmask = ~fieldmask;
- addrmask = N_ONES (addrsize) | fieldmask;
+ addrmask = N_ONES (addrsize) | (fieldmask << rightshift);
a = (relocation & addrmask) >> rightshift;;
switch (how)
See also bfd_check_overflow. */
fieldmask = N_ONES (howto->bitsize);
signmask = ~fieldmask;
- addrmask = N_ONES (bfd_arch_bits_per_address (input_bfd)) | fieldmask;
+ addrmask = (N_ONES (bfd_arch_bits_per_address (input_bfd))
+ | (fieldmask << rightshift));
a = (relocation & addrmask) >> rightshift;
b = (x & howto->src_mask & addrmask) >> bitpos;
+ addrmask >>= rightshift;
switch (howto->complain_on_overflow)
{
field. Note that when bfd_vma is 32 bits, a 32-bit reloc
can't overflow, which is exactly what we want. */
ss = a & signmask;
- if (ss != 0 && ss != ((addrmask >> rightshift) & signmask))
+ if (ss != 0 && ss != (addrmask & signmask))
flag = bfd_reloc_overflow;
/* We only need this next bit of code if the sign bit of B
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
+/* Clear a given location using a given howto, by applying a fixed relocation
+ value 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,
+ asection *input_section,
bfd_byte *location)
{
int size;
/* Zero out the unwanted bits of X. */
x &= ~howto->dst_mask;
+ /* For a range list, use 1 instead of 0 as placeholder. 0
+ would terminate the list, hiding any later entries. */
+ if (strcmp (bfd_get_section_name (input_bfd, input_section),
+ ".debug_ranges") == 0
+ && (howto->dst_mask & 1) != 0)
+ x |= 1;
+
/* Put the relocated value back in the object file. */
switch (size)
{
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
+ENUMX
+ BFD_RELOC_SPARC_JMP_IREL
+ENUMX
+ BFD_RELOC_SPARC_IRELATIVE
ENUMDOC
SPARC ELF relocations. There is probably some overlap with other
relocation types already defined.
BFD_RELOC_SPU_PPU32
ENUMX
BFD_RELOC_SPU_PPU64
+ENUMX
+ BFD_RELOC_SPU_ADD_PIC
ENUMDOC
SPU Relocations.
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
ENUMX
BFD_RELOC_MIPS_JUMP_SLOT
ENUMDOC
- MIPS ELF relocations (VxWorks extensions).
+ MIPS ELF relocations (VxWorks and PLT extensions).
+COMMENT
+
+ENUM
+ BFD_RELOC_MOXIE_10_PCREL
+ENUMDOC
+ Moxie ELF relocations.
COMMENT
ENUM
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_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_GOTOFF
ENUMX
BFD_RELOC_ARM_GOTPC
+ENUMX
+ BFD_RELOC_ARM_GOT_PREL
ENUMDOC
Relocations for setting up GOTs and PLTs for shared libraries.
BFD_RELOC_ARM_TLS_IE32
ENUMX
BFD_RELOC_ARM_TLS_LE32
+ENUMX
+ BFD_RELOC_ARM_TLS_GOTDESC
+ENUMX
+ BFD_RELOC_ARM_TLS_CALL
+ENUMX
+ BFD_RELOC_ARM_THM_TLS_CALL
+ENUMX
+ BFD_RELOC_ARM_TLS_DESCSEQ
+ENUMX
+ BFD_RELOC_ARM_THM_TLS_DESCSEQ
+ENUMX
+ BFD_RELOC_ARM_TLS_DESC
ENUMDOC
ARM thread-local storage relocations.
ENUMDOC
ARM group relocations.
+ENUM
+ BFD_RELOC_ARM_V4BX
+ENUMDOC
+ Annotation of BX instructions.
+
+ENUM
+ BFD_RELOC_ARM_IRELATIVE
+ENUMDOC
+ ARM support for STT_GNU_IFUNC.
+
ENUM
BFD_RELOC_ARM_IMMEDIATE
ENUMX
BFD_RELOC_ARM_SHIFT_IMM
ENUMX
BFD_RELOC_ARM_SMC
+ENUMX
+ BFD_RELOC_ARM_HVC
ENUMX
BFD_RELOC_ARM_SWI
ENUMX
BFD_RELOC_SH_TLS_DTPOFF32
ENUMX
BFD_RELOC_SH_TLS_TPOFF32
+ENUMX
+ BFD_RELOC_SH_GOT20
+ENUMX
+ BFD_RELOC_SH_GOTOFF20
+ENUMX
+ BFD_RELOC_SH_GOTFUNCDESC
+ENUMX
+ BFD_RELOC_SH_GOTFUNCDESC20
+ENUMX
+ BFD_RELOC_SH_GOTOFFFUNCDESC
+ENUMX
+ BFD_RELOC_SH_GOTOFFFUNCDESC20
+ENUMX
+ BFD_RELOC_SH_FUNCDESC
ENUMDOC
Renesas / SuperH SH relocs. Not all of these appear in object files.
ENUMDOC
This is a variation of BFD_RELOC_LO16 that can be used in v850e ld.bu
instructions.
+ENUM
+ BFD_RELOC_V850_16_PCREL
+ENUMDOC
+ This is a 16-bit reloc.
+ENUM
+ BFD_RELOC_V850_17_PCREL
+ENUMDOC
+ This is a 17-bit reloc.
+ENUM
+ BFD_RELOC_V850_23
+ENUMDOC
+ This is a 23-bit reloc.
+ENUM
+ BFD_RELOC_V850_32_PCREL
+ENUMDOC
+ This is a 32-bit reloc.
+ENUM
+ BFD_RELOC_V850_32_ABS
+ENUMDOC
+ This is a 32-bit reloc.
+ENUM
+ BFD_RELOC_V850_16_SPLIT_OFFSET
+ENUMDOC
+ This is a 16-bit reloc.
+ENUM
+ BFD_RELOC_V850_16_S1
+ENUMDOC
+ This is a 16-bit reloc.
+ENUM
+ BFD_RELOC_V850_LO16_S1
+ENUMDOC
+ Low 16 bits. 16 bit shifted by 1.
+ENUM
+ BFD_RELOC_V850_CALLT_15_16_OFFSET
+ENUMDOC
+ This is a 16 bit offset from the call table base pointer.
+ENUM
+ BFD_RELOC_V850_32_GOTPCREL
+ENUMDOC
+ DSO relocations.
+ENUM
+ BFD_RELOC_V850_16_GOT
+ENUMDOC
+ DSO relocations.
+ENUM
+ BFD_RELOC_V850_32_GOT
+ENUMDOC
+ DSO relocations.
+ENUM
+ BFD_RELOC_V850_22_PLT_PCREL
+ENUMDOC
+ DSO relocations.
+ENUM
+ BFD_RELOC_V850_32_PLT_PCREL
+ENUMDOC
+ DSO relocations.
+ENUM
+ BFD_RELOC_V850_COPY
+ENUMDOC
+ DSO relocations.
+ENUM
+ BFD_RELOC_V850_GLOB_DAT
+ENUMDOC
+ DSO relocations.
+ENUM
+ BFD_RELOC_V850_JMP_SLOT
+ENUMDOC
+ DSO relocations.
+ENUM
+ BFD_RELOC_V850_RELATIVE
+ENUMDOC
+ DSO relocations.
+ENUM
+ BFD_RELOC_V850_16_GOTOFF
+ENUMDOC
+ DSO relocations.
+ENUM
+ BFD_RELOC_V850_32_GOTOFF
+ENUMDOC
+ DSO relocations.
+ENUM
+ BFD_RELOC_V850_CODE
+ENUMDOC
+ start code.
+ENUM
+ BFD_RELOC_V850_DATA
+ENUMDOC
+ start data in text.
ENUM
BFD_RELOC_MN10300_32_PCREL
ENUMDOC
significant 7 bits of a 23-bit extended address are placed into
the opcode.
+ENUM
+ BFD_RELOC_C6000_PCR_S21
+ENUMX
+ BFD_RELOC_C6000_PCR_S12
+ENUMX
+ BFD_RELOC_C6000_PCR_S10
+ENUMX
+ BFD_RELOC_C6000_PCR_S7
+ENUMX
+ BFD_RELOC_C6000_ABS_S16
+ENUMX
+ BFD_RELOC_C6000_ABS_L16
+ENUMX
+ BFD_RELOC_C6000_ABS_H16
+ENUMX
+ BFD_RELOC_C6000_SBR_U15_B
+ENUMX
+ BFD_RELOC_C6000_SBR_U15_H
+ENUMX
+ BFD_RELOC_C6000_SBR_U15_W
+ENUMX
+ BFD_RELOC_C6000_SBR_S16
+ENUMX
+ BFD_RELOC_C6000_SBR_L16_B
+ENUMX
+ BFD_RELOC_C6000_SBR_L16_H
+ENUMX
+ BFD_RELOC_C6000_SBR_L16_W
+ENUMX
+ BFD_RELOC_C6000_SBR_H16_B
+ENUMX
+ BFD_RELOC_C6000_SBR_H16_H
+ENUMX
+ BFD_RELOC_C6000_SBR_H16_W
+ENUMX
+ BFD_RELOC_C6000_SBR_GOT_U15_W
+ENUMX
+ BFD_RELOC_C6000_SBR_GOT_L16_W
+ENUMX
+ BFD_RELOC_C6000_SBR_GOT_H16_W
+ENUMX
+ BFD_RELOC_C6000_DSBT_INDEX
+ENUMX
+ BFD_RELOC_C6000_PREL31
+ENUMX
+ BFD_RELOC_C6000_COPY
+ENUMX
+ BFD_RELOC_C6000_JUMP_SLOT
+ENUMX
+ BFD_RELOC_C6000_EHTYPE
+ENUMX
+ BFD_RELOC_C6000_PCR_H16
+ENUMX
+ BFD_RELOC_C6000_PCR_L16
+ENUMX
+ BFD_RELOC_C6000_ALIGN
+ENUMX
+ BFD_RELOC_C6000_FPHEAD
+ENUMX
+ BFD_RELOC_C6000_NOCMP
+ENUMDOC
+ TMS320C6000 relocations.
+
ENUM
BFD_RELOC_FR30_48
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_OP_NEG
+ENUMX
+ BFD_RELOC_RX_ABS8
+ENUMX
+ BFD_RELOC_RX_ABS16
+ENUMX
+ BFD_RELOC_RX_ABS16_REV
+ENUMX
+ BFD_RELOC_RX_ABS32
+ENUMX
+ BFD_RELOC_RX_ABS32_REV
+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_DUMMY1
-ENUMDOC
- Score relocations
ENUM
BFD_RELOC_SCORE_GPREL15
ENUMDOC
+ Score relocations
Low 16 bit for load/store
ENUM
BFD_RELOC_SCORE_DUMMY2
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
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_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.
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
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
case BFD_RELOC_CTOR:
/* The type of reloc used in a ctor, which will be as wide as the
address - so either a 64, 32, or 16 bitter. */
- switch (bfd_get_arch_info (abfd)->bits_per_address)
+ switch (bfd_arch_bits_per_address (abfd))
{
case 64:
BFD_FAIL ();
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;
+ if (!bfd_get_full_section_contents (input_bfd, input_section, &data))
+ 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,
"unused", FALSE, 0, 0, FALSE);
p = data + (*parent)->address * bfd_octets_per_byte (input_bfd);
- _bfd_clear_contents ((*parent)->howto, input_bfd, p);
+ _bfd_clear_contents ((*parent)->howto, input_bfd, input_section,
+ p);
(*parent)->sym_ptr_ptr = bfd_abs_section.symbol_ptr_ptr;
(*parent)->addend = 0;
(*parent)->howto = &none_howto;
}
}
}
- 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 / binutils-gdb.git / blobdiff