/* 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, 2008, 2009
+ 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010
Free Software Foundation, Inc.
Written by Cygnus Support.
. 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
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_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_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.
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_ALIGN
+ENUMX
+ BFD_RELOC_C6000_FPHEAD
+ENUMX
+ BFD_RELOC_C6000_NOCMP
+ENUMDOC
+ TMS320C6000 relocations.
+
ENUM
BFD_RELOC_FR30_48
ENUMDOC
Lattice Mico32 relocations.
ENUM
- BFD_RELOC_MACH_O_SECTDIFF
+ 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
- Difference between two section addreses. Must be followed by a
- BFD_RELOC_MACH_O_PAIR.
+ Same as BFD_RELOC_32_PCREL but with an implicit -2 addend.
ENUM
- BFD_RELOC_MACH_O_PAIR
+ BFD_RELOC_MACH_O_X86_64_PCREL32_4
ENUMDOC
- Mach-O generic relocations.
+ Same as BFD_RELOC_32_PCREL but with an implicit -4 addend.
ENUM
BFD_RELOC_MICROBLAZE_32_LO
projects / binutils-gdb.git / blobdiff