. }
. bfd_reloc_status_type;
.
+.typedef const struct reloc_howto_struct reloc_howto_type;
.
.typedef struct reloc_cache_entry
.{
information that libbfd needs to know to tie up a back end's data.
CODE_FRAGMENT
-.struct bfd_symbol; {* Forward declaration. *}
-.
.struct reloc_howto_struct
.{
-. {* The type field has mainly a documentary use - the back end can
-. do what it wants with it, though normally the back end's
-. external idea of what a reloc number is stored
-. in this field. For example, a PC relative word relocation
-. in a coff environment has the type 023 - because that's
-. what the outside world calls a R_PCRWORD reloc. *}
+. {* The type field has mainly a documentary use - the back end can
+. do what it wants with it, though normally the back end's idea of
+. an external reloc number is stored in this field. *}
. unsigned int type;
.
-. {* The value the final relocation is shifted right by. This drops
-. unwanted data from the relocation. *}
-. unsigned int rightshift;
-.
-. {* The size of the item to be relocated. This is *not* a
-. power-of-two measure. To get the number of bytes operated
-. on by a type of relocation, use bfd_get_reloc_size. *}
-. int size;
+. {* The encoded size of the item to be relocated. This is *not* a
+. power-of-two measure. Use bfd_get_reloc_size to find the size
+. of the item in bytes. *}
+. unsigned int size:3;
.
-. {* The number of bits in the item to be relocated. This is used
-. when doing overflow checking. *}
-. unsigned int bitsize;
+. {* The number of bits in the field to be relocated. This is used
+. when doing overflow checking. *}
+. unsigned int bitsize:7;
.
-. {* The relocation is relative to the field being relocated. *}
-. bfd_boolean pc_relative;
+. {* The value the final relocation is shifted right by. This drops
+. unwanted data from the relocation. *}
+. unsigned int rightshift:6;
.
-. {* The bit position of the reloc value in the destination.
-. The relocated value is left shifted by this amount. *}
-. unsigned int bitpos;
+. {* The bit position of the reloc value in the destination.
+. The relocated value is left shifted by this amount. *}
+. unsigned int bitpos:6;
.
. {* What type of overflow error should be checked for when
. relocating. *}
-. enum complain_overflow complain_on_overflow;
+. ENUM_BITFIELD (complain_overflow) complain_on_overflow:2;
.
-. {* If this field is non null, then the supplied function is
-. called rather than the normal function. This allows really
-. strange relocation methods to be accommodated. *}
-. bfd_reloc_status_type (*special_function)
-. (bfd *, arelent *, struct bfd_symbol *, void *, asection *,
-. bfd *, char **);
+. {* The relocation value should be negated before applying. *}
+. unsigned int negate:1;
.
-. {* The textual name of the relocation type. *}
-. char *name;
+. {* The relocation is relative to the item being relocated. *}
+. unsigned int pc_relative:1;
.
. {* Some formats record a relocation addend in the section contents
. rather than with the relocation. For ELF formats this is the
. USE_REL targets set this field to TRUE. Why this is so is peculiar
. to each particular target. For relocs that aren't used in partial
. links (e.g. GOT stuff) it doesn't matter what this is set to. *}
-. bfd_boolean partial_inplace;
+. unsigned int partial_inplace:1;
+.
+. {* When some formats create PC relative instructions, they leave
+. the value of the pc of the place being relocated in the offset
+. slot of the instruction, so that a PC relative relocation can
+. be made just by adding in an ordinary offset (e.g., sun3 a.out).
+. Some formats leave the displacement part of an instruction
+. empty (e.g., ELF); this flag signals the fact. *}
+. unsigned int pcrel_offset:1;
.
. {* src_mask selects the part of the instruction (or data) to be used
. in the relocation sum. If the target relocations don't have an
. addend in the reloc, eg. ELF USE_REL, src_mask will normally equal
. dst_mask to extract the addend from the section contents. If
. relocations do have an addend in the reloc, eg. ELF USE_RELA, this
-. field should be zero. Non-zero values for ELF USE_RELA targets are
-. bogus as in those cases the value in the dst_mask part of the
-. section contents should be treated as garbage. *}
+. field should normally be zero. Non-zero values for ELF USE_RELA
+. targets should be viewed with suspicion as normally the value in
+. the dst_mask part of the section contents should be ignored. *}
. bfd_vma src_mask;
.
. {* dst_mask selects which parts of the instruction (or data) are
. replaced with a relocated value. *}
. bfd_vma dst_mask;
.
-. {* When some formats create PC relative instructions, they leave
-. the value of the pc of the place being relocated in the offset
-. slot of the instruction, so that a PC relative relocation can
-. be made just by adding in an ordinary offset (e.g., sun3 a.out).
-. Some formats leave the displacement part of an instruction
-. empty (e.g., ELF); this flag signals the fact. *}
-. bfd_boolean pcrel_offset;
+. {* If this field is non null, then the supplied function is
+. called rather than the normal function. This allows really
+. strange relocation methods to be accommodated. *}
+. bfd_reloc_status_type (*special_function)
+. (bfd *, arelent *, struct bfd_symbol *, void *, asection *,
+. bfd *, char **);
+.
+. {* The textual name of the relocation type. *}
+. char *name;
.};
.
*/
The HOWTO macro fills in a reloc_howto_type (a typedef for
const struct reloc_howto_struct).
-.#define HOWTO(C, R, S, B, P, BI, O, SF, NAME, INPLACE, MASKSRC, MASKDST, PC) \
-. { (unsigned) C, R, S, B, P, BI, O, SF, NAME, INPLACE, MASKSRC, MASKDST, PC }
+.#define HOWTO(type, right, size, bits, pcrel, left, ovf, func, name, \
+. inplace, src_mask, dst_mask, pcrel_off) \
+. { (unsigned) type, size < 0 ? -size : size, bits, right, left, ovf, \
+. size < 0, pcrel, inplace, pcrel_off, src_mask, dst_mask, func, name }
DESCRIPTION
This is used to fill in an empty howto entry in an array.
switch (howto->size)
{
case 0: return 1;
- case 1:
- case -1: return 2;
- case 2:
- case -2: return 4;
+ case 1: return 2;
+ case 2: return 4;
case 3: return 0;
case 4: return 8;
case 5: return 3;
- case 8: return 16;
default: abort ();
}
}
return bfd_get_8 (abfd, data);
case 1:
- case -1:
return bfd_get_16 (abfd, data);
case 2:
- case -2:
return bfd_get_32 (abfd, data);
case 3:
break;
case 1:
- case -1:
bfd_put_16 (abfd, val, data);
break;
case 2:
- case -2:
bfd_put_32 (abfd, val, data);
break;
{
bfd_vma val = read_reloc (abfd, data, howto);
- if (howto->size < 0)
+ if (howto->negate)
relocation = -relocation;
val = ((val & ~howto->dst_mask)
unsigned int rightshift = howto->rightshift;
unsigned int bitpos = howto->bitpos;
- /* If the size is negative, negate RELOCATION. This isn't very
- general. */
- if (howto->size < 0)
+ if (howto->negate)
relocation = -relocation;
/* Get the value we are going to relocate. */
BFD_RELOC_PPC64_ADDR16_HIGH
ENUMX
BFD_RELOC_PPC64_ADDR16_HIGHA
+ENUMX
+ BFD_RELOC_PPC64_REL16_HIGH
+ENUMX
+ BFD_RELOC_PPC64_REL16_HIGHA
+ENUMX
+ BFD_RELOC_PPC64_REL16_HIGHER
+ENUMX
+ BFD_RELOC_PPC64_REL16_HIGHERA
+ENUMX
+ BFD_RELOC_PPC64_REL16_HIGHEST
+ENUMX
+ BFD_RELOC_PPC64_REL16_HIGHESTA
ENUMX
BFD_RELOC_PPC64_ADDR64_LOCAL
ENUMX
For ex9 and ifc using.
ENUM
BFD_RELOC_NDS32_TPOFF
+ENUMX
+ BFD_RELOC_NDS32_GOTTPOFF
ENUMX
BFD_RELOC_NDS32_TLS_LE_HI20
ENUMX
BFD_RELOC_NDS32_TLS_LE_LO12
+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
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_LO12
ENUMX
BFD_RELOC_NDS32_TLS_IE_LO12S2
ENUMX
- BFD_RELOC_NDS32_TLS_TPOFF
+ BFD_RELOC_NDS32_TLS_IEGP_HI20
ENUMX
- BFD_RELOC_NDS32_TLS_LE_20
+ BFD_RELOC_NDS32_TLS_IEGP_LO12
ENUMX
- BFD_RELOC_NDS32_TLS_LE_15S0
+ BFD_RELOC_NDS32_TLS_IEGP_LO12S2
ENUMX
- BFD_RELOC_NDS32_TLS_LE_15S1
+ BFD_RELOC_NDS32_TLS_IEGP_LW
ENUMX
- BFD_RELOC_NDS32_TLS_LE_15S2
+ BFD_RELOC_NDS32_TLS_DESC
+ENUMX
+ BFD_RELOC_NDS32_TLS_DESC_HI20
+ENUMX
+ BFD_RELOC_NDS32_TLS_DESC_LO12
+ENUMX
+ BFD_RELOC_NDS32_TLS_DESC_20
+ENUMX
+ BFD_RELOC_NDS32_TLS_DESC_SDA17S2
+ENUMX
+ BFD_RELOC_NDS32_TLS_DESC_ADD
+ENUMX
+ BFD_RELOC_NDS32_TLS_DESC_FUNC
+ENUMX
+ BFD_RELOC_NDS32_TLS_DESC_CALL
+ENUMX
+ BFD_RELOC_NDS32_TLS_DESC_MEM
+ENUMX
+ BFD_RELOC_NDS32_REMOVE
+ENUMX
+ BFD_RELOC_NDS32_GROUP
ENUMDOC
For TLS.
+ENUM
+ BFD_RELOC_NDS32_LSI
+ENUMDOC
+ For floating load store relaxation.
ENUM
ENUM
BFD_RELOC_OR1K_REL_26
+ENUMX
+ BFD_RELOC_OR1K_SLO16
+ENUMX
+ BFD_RELOC_OR1K_PCREL_PG21
+ENUMX
+ BFD_RELOC_OR1K_LO13
+ENUMX
+ BFD_RELOC_OR1K_SLO13
ENUMX
BFD_RELOC_OR1K_GOTPC_HI16
ENUMX
BFD_RELOC_OR1K_GOTPC_LO16
ENUMX
BFD_RELOC_OR1K_GOT16
+ENUMX
+ BFD_RELOC_OR1K_GOT_PG21
+ENUMX
+ BFD_RELOC_OR1K_GOT_LO13
ENUMX
BFD_RELOC_OR1K_PLT26
ENUMX
- BFD_RELOC_OR1K_GOTOFF_HI16
+ BFD_RELOC_OR1K_PLTA26
ENUMX
- BFD_RELOC_OR1K_GOTOFF_LO16
+ BFD_RELOC_OR1K_GOTOFF_SLO16
ENUMX
BFD_RELOC_OR1K_COPY
ENUMX
BFD_RELOC_OR1K_TLS_GD_HI16
ENUMX
BFD_RELOC_OR1K_TLS_GD_LO16
+ENUMX
+ BFD_RELOC_OR1K_TLS_GD_PG21
+ENUMX
+ BFD_RELOC_OR1K_TLS_GD_LO13
ENUMX
BFD_RELOC_OR1K_TLS_LDM_HI16
ENUMX
BFD_RELOC_OR1K_TLS_LDM_LO16
+ENUMX
+ BFD_RELOC_OR1K_TLS_LDM_PG21
+ENUMX
+ BFD_RELOC_OR1K_TLS_LDM_LO13
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_AHI16
ENUMX
BFD_RELOC_OR1K_TLS_IE_LO16
+ENUMX
+ BFD_RELOC_OR1K_TLS_IE_PG21
+ENUMX
+ BFD_RELOC_OR1K_TLS_IE_LO13
ENUMX
BFD_RELOC_OR1K_TLS_LE_HI16
+ENUMX
+ BFD_RELOC_OR1K_TLS_LE_AHI16
ENUMX
BFD_RELOC_OR1K_TLS_LE_LO16
+ENUMX
+ BFD_RELOC_OR1K_TLS_LE_SLO16
ENUMX
BFD_RELOC_OR1K_TLS_TPOFF
ENUMX
goto error_return;
}
- if (symbol->section && discarded_section (symbol->section))
+ /* Zap reloc field when the symbol is from a discarded
+ section, ignoring any addend. Do the same when called
+ from bfd_simple_get_relocated_section_contents for
+ undefined symbols in debug sections. This is to keep
+ debug info reasonably sane, in particular so that
+ DW_FORM_ref_addr to another file's .debug_info isn't
+ confused with an offset into the current file's
+ .debug_info. */
+ if ((symbol->section != NULL && discarded_section (symbol->section))
+ || (symbol->section == bfd_und_section_ptr
+ && (input_section->flags & SEC_DEBUGGING) != 0
+ && link_info->input_bfds == link_info->output_bfd))
{
bfd_byte *p;
static reloc_howto_type none_howto
projects / deliverable / binutils-gdb.git / blobdiff