/* BFD support for handling relocation entries.
Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
- 2000, 2001
+ 2000, 2001, 2002, 2003
Free Software Foundation, Inc.
Written by Cygnus Support.
-This file is part of BFD, the Binary File Descriptor library.
+ This file is part of BFD, the Binary File Descriptor library.
-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
-(at your option) any later version.
+ 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
+ (at your option) any later version.
-This program is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-GNU General Public License for more details.
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
-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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+ 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
/*
SECTION
.
.typedef enum bfd_reloc_status
.{
-. {* No errors detected *}
+. {* No errors detected. *}
. bfd_reloc_ok,
.
-. {* The relocation was performed, but there was an overflow. *}
+. {* The relocation was performed, but there was an overflow. *}
. bfd_reloc_overflow,
.
-. {* The address to relocate was not within the section supplied. *}
+. {* The address to relocate was not within the section supplied. *}
. bfd_reloc_outofrange,
.
-. {* Used by special functions *}
+. {* Used by special functions. *}
. bfd_reloc_continue,
.
-. {* Unsupported relocation size requested. *}
+. {* Unsupported relocation size requested. *}
. bfd_reloc_notsupported,
.
-. {* Unused *}
+. {* Unused. *}
. bfd_reloc_other,
.
-. {* The symbol to relocate against was undefined. *}
+. {* The symbol to relocate against was undefined. *}
. bfd_reloc_undefined,
.
. {* The relocation was performed, but may not be ok - presently
.
.typedef struct reloc_cache_entry
.{
-. {* A pointer into the canonical table of pointers *}
-. struct symbol_cache_entry **sym_ptr_ptr;
+. {* A pointer into the canonical table of pointers. *}
+. struct bfd_symbol **sym_ptr_ptr;
.
-. {* offset in section *}
+. {* offset in section. *}
. bfd_size_type address;
.
-. {* addend for relocation value *}
+. {* addend for relocation value. *}
. bfd_vma addend;
.
-. {* Pointer to how to perform the required relocation *}
+. {* Pointer to how to perform the required relocation. *}
. reloc_howto_type *howto;
.
-.} arelent;
-
+.}
+.arelent;
+.
*/
/*
o <<sym_ptr_ptr>>
The symbol table pointer points to a pointer to the symbol
- associated with the relocation request. It is
- the pointer into the table returned by the back end's
- <<get_symtab>> action. @xref{Symbols}. The symbol is referenced
- through a pointer to a pointer so that tools like the linker
- can fix up all the symbols of the same name by modifying only
- one pointer. The relocation routine looks in the symbol and
- uses the base of the section the symbol is attached to and the
- value of the symbol as the initial relocation offset. If the
- symbol pointer is zero, then the section provided is looked up.
+ associated with the relocation request. It is the pointer
+ into the table returned by the back end's
+ <<canonicalize_symtab>> action. @xref{Symbols}. The symbol is
+ referenced through a pointer to a pointer so that tools like
+ the linker can fix up all the symbols of the same name by
+ modifying only one pointer. The relocation routine looks in
+ the symbol and uses the base of the section the symbol is
+ attached to and the value of the symbol as the initial
+ relocation offset. If the symbol pointer is zero, then the
+ section provided is looked up.
o <<address>>
.
.enum complain_overflow
.{
-. {* Do not complain on overflow. *}
+. {* Do not complain on overflow. *}
. complain_overflow_dont,
.
. {* Complain if the bitfield overflows, whether it is considered
-. as signed or unsigned. *}
+. as signed or unsigned. *}
. complain_overflow_bitfield,
.
. {* Complain if the value overflows when considered as signed
-. number. *}
+. number. *}
. complain_overflow_signed,
.
. {* Complain if the value overflows when considered as an
-. unsigned number. *}
+. unsigned number. *}
. complain_overflow_unsigned
.};
information that libbfd needs to know to tie up a back end's data.
CODE_FRAGMENT
-.struct symbol_cache_entry; {* Forward declaration *}
+.struct bfd_symbol; {* Forward declaration. *}
.
.struct reloc_howto_struct
.{
. data section of the addend. The relocation function will
. subtract from the relocation value the address of the location
. being relocated. *}
-. boolean pc_relative;
+. bfd_boolean pc_relative;
.
. {* The bit position of the reloc value in the destination.
. The relocated value is left shifted by this amount. *}
.
. {* 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 accomodated (e.g., i960 callj
+. strange relocation methods to be accommodated (e.g., i960 callj
. instructions). *}
. bfd_reloc_status_type (*special_function)
-. PARAMS ((bfd *, arelent *, struct symbol_cache_entry *, PTR, asection *,
-. bfd *, char **));
+. (bfd *, arelent *, struct bfd_symbol *, void *, asection *,
+. bfd *, char **);
.
. {* The textual name of the relocation type. *}
. char *name;
. 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. *}
-. boolean partial_inplace;
+. bfd_boolean partial_inplace;
.
-. {* The src_mask selects which parts of the read in data
-. are to be used in the relocation sum. E.g., if this was an 8 bit
-. byte of data which we read and relocated, this would be
-. 0x000000ff. When we have relocs which have an addend, such as
-. sun4 extended relocs, the value in the offset part of a
-. relocating field is garbage so we never use it. In this case
-. the mask would be 0x00000000. *}
+. {* 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. *}
. bfd_vma src_mask;
.
-. {* The dst_mask selects which parts of the instruction are replaced
-. into the instruction. In most cases src_mask == dst_mask,
-. except in the above special case, where dst_mask would be
-. 0x000000ff, and src_mask would be 0x00000000. *}
+. {* 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
. 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., m88k bcs); this flag signals the fact. *}
-. boolean pcrel_offset;
+. bfd_boolean pcrel_offset;
.};
-
+.
*/
/*
.#define NEWHOWTO(FUNCTION, NAME, SIZE, REL, IN) \
. HOWTO (0, 0, SIZE, 0, REL, 0, complain_overflow_dont, FUNCTION, \
-. NAME, false, 0, 0, IN)
+. NAME, FALSE, 0, 0, IN)
.
DESCRIPTION
This is used to fill in an empty howto entry in an array.
.#define EMPTY_HOWTO(C) \
-. HOWTO ((C), 0, 0, 0, false, 0, complain_overflow_dont, NULL, \
-. NULL, false, 0, 0, false)
+. HOWTO ((C), 0, 0, 0, FALSE, 0, complain_overflow_dont, NULL, \
+. NULL, FALSE, 0, 0, FALSE)
.
DESCRIPTION
.#define HOWTO_PREPARE(relocation, symbol) \
. { \
-. if (symbol != (asymbol *) NULL) \
+. if (symbol != NULL) \
. { \
. if (bfd_is_com_section (symbol->section)) \
. { \
. } \
. } \
. }
-
+.
*/
/*
*/
unsigned int
-bfd_get_reloc_size (howto)
- reloc_howto_type *howto;
+bfd_get_reloc_size (reloc_howto_type *howto)
{
switch (howto->size)
{
.{
. arelent relent;
. struct relent_chain *next;
-.} arelent_chain;
-
+.}
+.arelent_chain;
+.
*/
/* N_ONES produces N one bits, without overflowing machine arithmetic. */
bfd_check_overflow
SYNOPSIS
- bfd_reloc_status_type
- bfd_check_overflow
- (enum complain_overflow how,
- unsigned int bitsize,
- unsigned int rightshift,
- unsigned int addrsize,
- bfd_vma relocation);
+ bfd_reloc_status_type bfd_check_overflow
+ (enum complain_overflow how,
+ unsigned int bitsize,
+ unsigned int rightshift,
+ unsigned int addrsize,
+ bfd_vma relocation);
DESCRIPTION
Perform overflow checking on @var{relocation} which has
*/
bfd_reloc_status_type
-bfd_check_overflow (how, bitsize, rightshift, addrsize, relocation)
- enum complain_overflow how;
- unsigned int bitsize;
- unsigned int rightshift;
- unsigned int addrsize;
- bfd_vma relocation;
+bfd_check_overflow (enum complain_overflow how,
+ unsigned int bitsize,
+ unsigned int rightshift,
+ unsigned int addrsize,
+ bfd_vma relocation)
{
bfd_vma fieldmask, addrmask, signmask, ss, a;
bfd_reloc_status_type flag = bfd_reloc_ok;
bfd_perform_relocation
SYNOPSIS
- bfd_reloc_status_type
- bfd_perform_relocation
- (bfd *abfd,
- arelent *reloc_entry,
- PTR data,
- asection *input_section,
- bfd *output_bfd,
- char **error_message);
+ bfd_reloc_status_type bfd_perform_relocation
+ (bfd *abfd,
+ arelent *reloc_entry,
+ void *data,
+ asection *input_section,
+ bfd *output_bfd,
+ char **error_message);
DESCRIPTION
If @var{output_bfd} is supplied to this function, the
*/
bfd_reloc_status_type
-bfd_perform_relocation (abfd, reloc_entry, data, input_section, output_bfd,
- error_message)
- bfd *abfd;
- arelent *reloc_entry;
- PTR data;
- asection *input_section;
- bfd *output_bfd;
- char **error_message;
+bfd_perform_relocation (bfd *abfd,
+ arelent *reloc_entry,
+ void *data,
+ asection *input_section,
+ bfd *output_bfd,
+ char **error_message)
{
bfd_vma relocation;
bfd_reloc_status_type flag = bfd_reloc_ok;
symbol = *(reloc_entry->sym_ptr_ptr);
if (bfd_is_abs_section (symbol->section)
- && output_bfd != (bfd *) NULL)
+ && output_bfd != NULL)
{
reloc_entry->address += input_section->output_offset;
return bfd_reloc_ok;
}
- /* If we are not producing relocateable output, return an error if
+ /* 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). */
if (bfd_is_und_section (symbol->section)
&& (symbol->flags & BSF_WEAK) == 0
- && output_bfd == (bfd *) NULL)
+ && output_bfd == NULL)
flag = bfd_reloc_undefined;
/* If there is a function supplied to handle this relocation type,
/ bfd_octets_per_byte (abfd)))
return bfd_reloc_outofrange;
- /* Work out which section the relocation is targetted at and the
+ /* Work out which section the relocation is targeted at and the
initial relocation command value. */
/* Get symbol value. (Common symbols are special.) */
reloc_target_output_section = symbol->section->output_section;
/* Convert input-section-relative symbol value to absolute. */
- if (output_bfd && howto->partial_inplace == false)
+ if ((output_bfd && ! howto->partial_inplace)
+ || reloc_target_output_section == NULL)
output_base = 0;
else
output_base = reloc_target_output_section->vma;
/* Here the variable relocation holds the final address of the
symbol we are relocating against, plus any addend. */
- if (howto->pc_relative == true)
+ if (howto->pc_relative)
{
/* This is a PC relative relocation. We want to set RELOCATION
to the distance between the address of the symbol and the
of the location within the section. Some targets arrange for
the addend to be the negative of the position of the location
within the section; for example, i386-aout does this. For
- i386-aout, pcrel_offset is false. Some other targets do not
+ i386-aout, pcrel_offset is FALSE. Some other targets do not
include the position of the location; for example, m88kbcs,
- or ELF. For those targets, pcrel_offset is true.
+ or ELF. For those targets, pcrel_offset is TRUE.
- If we are producing relocateable output, then we must ensure
+ If we are producing relocatable output, then we must ensure
that this reloc will be correctly computed when the final
- relocation is done. If pcrel_offset is false we want to wind
+ relocation is done. If pcrel_offset is FALSE we want to wind
up with the negative of the location within the section,
which means we must adjust the existing addend by the change
- in the location within the section. If pcrel_offset is true
+ in the location within the section. If pcrel_offset is TRUE
we do not want to adjust the existing addend at all.
FIXME: This seems logical to me, but for the case of
- producing relocateable output it is not what the code
+ producing relocatable output it is not what the code
actually does. I don't want to change it, because it seems
far too likely that something will break. */
relocation -=
input_section->output_section->vma + input_section->output_offset;
- if (howto->pcrel_offset == true)
+ if (howto->pcrel_offset)
relocation -= reloc_entry->address;
}
- if (output_bfd != (bfd *) NULL)
+ if (output_bfd != NULL)
{
- if (howto->partial_inplace == false)
+ if (! howto->partial_inplace)
{
/* This is a partial relocation, and we want to apply the relocation
to the reloc entry rather than the raw data. Modify the reloc
not have any tests that depend upon the flavour. It's seem like
entirely the wrong place for such a thing. The second obvious point
is that the current code ignores the reloc addend when producing
-relocateable output for COFF. That's peculiar. In fact, I really
+relocatable output for COFF. That's peculiar. In fact, I really
have no idea what the point of the line you want to remove is.
A typical COFF reloc subtracts the old value of the symbol and adds in
compatibility with old object files) (coff-i386 does subtract the old
value, to be compatible with existing coff-i386 targets, like SCO).
-So everything works fine when not producing relocateable output. When
-we are producing relocateable output, logically we should do exactly
-what we do when not producing relocateable output. Therefore, your
+So everything works fine when not producing relocatable output. When
+we are producing relocatable output, logically we should do exactly
+what we do when not producing relocatable output. Therefore, your
patch is correct. In fact, it should probably always just set
reloc_entry->addend to 0 for all cases, since it is, in fact, going to
add the value into the object file. This won't hurt the COFF code,
formats (the thing to check for would be whether any formats both use
the addend and set partial_inplace).
-When I wanted to make coff-i386 produce relocateable output, I ran
+When I wanted to make coff-i386 produce relocatable output, I ran
into the problem that you are running into: I wanted to remove that
line. Rather than risk it, I made the coff-i386 relocs use a special
function; it's coff_i386_reloc in coff-i386.c. The function
bfd_arch_bits_per_address (abfd),
relocation);
- /*
- Either we are relocating all the way, or we don't want to apply
- the relocation to the reloc entry (probably because there isn't
- any room in the output format to describe addends to relocs)
- */
+ /* Either we are relocating all the way, or we don't want to apply
+ the relocation to the reloc entry (probably because there isn't
+ any room in the output format to describe addends to relocs). */
/* The cast to bfd_vma avoids a bug in the Alpha OSF/1 C compiler
(OSF version 1.3, compiler version 3.11). It miscompiles the
relocation >>= (bfd_vma) howto->rightshift;
- /* Shift everything up to where it's going to be used */
-
+ /* Shift everything up to where it's going to be used. */
relocation <<= (bfd_vma) howto->bitpos;
- /* Wait for the day when all have the mask in them */
+ /* Wait for the day when all have the mask in them. */
/* What we do:
i instruction to be left alone
bfd_install_relocation
SYNOPSIS
- bfd_reloc_status_type
- bfd_install_relocation
- (bfd *abfd,
- arelent *reloc_entry,
- PTR data, bfd_vma data_start,
- asection *input_section,
- char **error_message);
+ bfd_reloc_status_type bfd_install_relocation
+ (bfd *abfd,
+ arelent *reloc_entry,
+ void *data, bfd_vma data_start,
+ asection *input_section,
+ char **error_message);
DESCRIPTION
This looks remarkably like <<bfd_perform_relocation>>, except it
For now, this function should be considered reserved for the
assembler.
-
*/
bfd_reloc_status_type
-bfd_install_relocation (abfd, reloc_entry, data_start, data_start_offset,
- input_section, error_message)
- bfd *abfd;
- arelent *reloc_entry;
- PTR data_start;
- bfd_vma data_start_offset;
- asection *input_section;
- char **error_message;
+bfd_install_relocation (bfd *abfd,
+ arelent *reloc_entry,
+ void *data_start,
+ bfd_vma data_start_offset,
+ asection *input_section,
+ char **error_message)
{
bfd_vma relocation;
bfd_reloc_status_type flag = bfd_reloc_ok;
/ bfd_octets_per_byte (abfd)))
return bfd_reloc_outofrange;
- /* Work out which section the relocation is targetted at and the
+ /* Work out which section the relocation is targeted at and the
initial relocation command value. */
/* Get symbol value. (Common symbols are special.) */
reloc_target_output_section = symbol->section->output_section;
/* Convert input-section-relative symbol value to absolute. */
- if (howto->partial_inplace == false)
+ if (! howto->partial_inplace)
output_base = 0;
else
output_base = reloc_target_output_section->vma;
/* Here the variable relocation holds the final address of the
symbol we are relocating against, plus any addend. */
- if (howto->pc_relative == true)
+ if (howto->pc_relative)
{
/* This is a PC relative relocation. We want to set RELOCATION
to the distance between the address of the symbol and the
of the location within the section. Some targets arrange for
the addend to be the negative of the position of the location
within the section; for example, i386-aout does this. For
- i386-aout, pcrel_offset is false. Some other targets do not
+ i386-aout, pcrel_offset is FALSE. Some other targets do not
include the position of the location; for example, m88kbcs,
- or ELF. For those targets, pcrel_offset is true.
+ or ELF. For those targets, pcrel_offset is TRUE.
- If we are producing relocateable output, then we must ensure
+ If we are producing relocatable output, then we must ensure
that this reloc will be correctly computed when the final
- relocation is done. If pcrel_offset is false we want to wind
+ relocation is done. If pcrel_offset is FALSE we want to wind
up with the negative of the location within the section,
which means we must adjust the existing addend by the change
- in the location within the section. If pcrel_offset is true
+ in the location within the section. If pcrel_offset is TRUE
we do not want to adjust the existing addend at all.
FIXME: This seems logical to me, but for the case of
- producing relocateable output it is not what the code
+ producing relocatable output it is not what the code
actually does. I don't want to change it, because it seems
far too likely that something will break. */
relocation -=
input_section->output_section->vma + input_section->output_offset;
- if (howto->pcrel_offset == true && howto->partial_inplace == true)
+ if (howto->pcrel_offset && howto->partial_inplace)
relocation -= reloc_entry->address;
}
- if (howto->partial_inplace == false)
+ if (! howto->partial_inplace)
{
/* This is a partial relocation, and we want to apply the relocation
to the reloc entry rather than the raw data. Modify the reloc
If we've relocated with a symbol with a section, change
into a ref to the section belonging to the symbol. */
-
reloc_entry->address += input_section->output_offset;
/* WTF?? */
not have any tests that depend upon the flavour. It's seem like
entirely the wrong place for such a thing. The second obvious point
is that the current code ignores the reloc addend when producing
-relocateable output for COFF. That's peculiar. In fact, I really
+relocatable output for COFF. That's peculiar. In fact, I really
have no idea what the point of the line you want to remove is.
A typical COFF reloc subtracts the old value of the symbol and adds in
compatibility with old object files) (coff-i386 does subtract the old
value, to be compatible with existing coff-i386 targets, like SCO).
-So everything works fine when not producing relocateable output. When
-we are producing relocateable output, logically we should do exactly
-what we do when not producing relocateable output. Therefore, your
+So everything works fine when not producing relocatable output. When
+we are producing relocatable output, logically we should do exactly
+what we do when not producing relocatable output. Therefore, your
patch is correct. In fact, it should probably always just set
reloc_entry->addend to 0 for all cases, since it is, in fact, going to
add the value into the object file. This won't hurt the COFF code,
formats (the thing to check for would be whether any formats both use
the addend and set partial_inplace).
-When I wanted to make coff-i386 produce relocateable output, I ran
+When I wanted to make coff-i386 produce relocatable output, I ran
into the problem that you are running into: I wanted to remove that
line. Rather than risk it, I made the coff-i386 relocs use a special
function; it's coff_i386_reloc in coff-i386.c. The function
6) if the resulting object files are the same, you have at least
made it no worse
7) if they are different you have to figure out which version is
- right
-*/
+ right. */
relocation -= reloc_entry->addend;
#endif
reloc_entry->addend = 0;
bfd_arch_bits_per_address (abfd),
relocation);
- /*
- Either we are relocating all the way, or we don't want to apply
- the relocation to the reloc entry (probably because there isn't
- any room in the output format to describe addends to relocs)
- */
+ /* Either we are relocating all the way, or we don't want to apply
+ the relocation to the reloc entry (probably because there isn't
+ any room in the output format to describe addends to relocs). */
/* The cast to bfd_vma avoids a bug in the Alpha OSF/1 C compiler
(OSF version 1.3, compiler version 3.11). It miscompiles the
relocation >>= (bfd_vma) howto->rightshift;
- /* Shift everything up to where it's going to be used */
-
+ /* Shift everything up to where it's going to be used. */
relocation <<= (bfd_vma) howto->bitpos;
- /* Wait for the day when all have the mask in them */
+ /* Wait for the day when all have the mask in them. */
/* What we do:
i instruction to be left alone
{
case 0:
{
- char x = bfd_get_8 (abfd, (char *) data);
+ char x = bfd_get_8 (abfd, data);
DOIT (x);
- bfd_put_8 (abfd, x, (unsigned char *) data);
+ bfd_put_8 (abfd, x, data);
}
break;
case 1:
{
- short x = bfd_get_16 (abfd, (bfd_byte *) data);
+ short x = bfd_get_16 (abfd, data);
DOIT (x);
- bfd_put_16 (abfd, (bfd_vma) x, (unsigned char *) data);
+ bfd_put_16 (abfd, (bfd_vma) x, data);
}
break;
case 2:
{
- long x = bfd_get_32 (abfd, (bfd_byte *) data);
+ long x = bfd_get_32 (abfd, data);
DOIT (x);
- bfd_put_32 (abfd, (bfd_vma) x, (bfd_byte *) data);
+ bfd_put_32 (abfd, (bfd_vma) x, data);
}
break;
case -2:
{
- long x = bfd_get_32 (abfd, (bfd_byte *) data);
+ long x = bfd_get_32 (abfd, data);
relocation = -relocation;
DOIT (x);
- bfd_put_32 (abfd, (bfd_vma) x, (bfd_byte *) data);
+ bfd_put_32 (abfd, (bfd_vma) x, data);
}
break;
case 4:
{
- bfd_vma x = bfd_get_64 (abfd, (bfd_byte *) data);
+ bfd_vma x = bfd_get_64 (abfd, data);
DOIT (x);
- bfd_put_64 (abfd, x, (bfd_byte *) data);
+ bfd_put_64 (abfd, x, data);
}
break;
default:
function than to try to deal with it.
This routine does a final relocation. Whether it is useful for a
- relocateable link depends upon how the object format defines
+ relocatable link depends upon how the object format defines
relocations.
FIXME: This routine ignores any special_function in the HOWTO,
ADDEND is the addend of the reloc. */
bfd_reloc_status_type
-_bfd_final_link_relocate (howto, input_bfd, input_section, contents, address,
- value, addend)
- reloc_howto_type *howto;
- bfd *input_bfd;
- asection *input_section;
- bfd_byte *contents;
- bfd_vma address;
- bfd_vma value;
- bfd_vma addend;
+_bfd_final_link_relocate (reloc_howto_type *howto,
+ bfd *input_bfd,
+ asection *input_section,
+ bfd_byte *contents,
+ bfd_vma address,
+ bfd_vma value,
+ bfd_vma addend)
{
bfd_vma relocation;
location we are relocating. Some targets (e.g., i386-aout)
arrange for the contents of the section to be the negative of the
offset of the location within the section; for such targets
- pcrel_offset is false. Other targets (e.g., m88kbcs or ELF)
+ pcrel_offset is FALSE. Other targets (e.g., m88kbcs or ELF)
simply leave the contents of the section as zero; for such
- targets pcrel_offset is true. If pcrel_offset is false we do not
+ targets pcrel_offset is TRUE. If pcrel_offset is FALSE we do not
need to subtract out the offset of the location within the
section (which is just ADDRESS). */
if (howto->pc_relative)
/* Relocate a given location using a given value and howto. */
bfd_reloc_status_type
-_bfd_relocate_contents (howto, input_bfd, relocation, location)
- reloc_howto_type *howto;
- bfd *input_bfd;
- bfd_vma relocation;
- bfd_byte *location;
+_bfd_relocate_contents (reloc_howto_type *howto,
+ bfd *input_bfd,
+ bfd_vma relocation,
+ bfd_byte *location)
{
int size;
bfd_vma x = 0;
BFD_RELOC_SPARC_REV32
ENUMDOC
SPARC little endian relocation
+ENUM
+ BFD_RELOC_SPARC_TLS_GD_HI22
+ENUMX
+ BFD_RELOC_SPARC_TLS_GD_LO10
+ENUMX
+ BFD_RELOC_SPARC_TLS_GD_ADD
+ENUMX
+ BFD_RELOC_SPARC_TLS_GD_CALL
+ENUMX
+ BFD_RELOC_SPARC_TLS_LDM_HI22
+ENUMX
+ BFD_RELOC_SPARC_TLS_LDM_LO10
+ENUMX
+ BFD_RELOC_SPARC_TLS_LDM_ADD
+ENUMX
+ BFD_RELOC_SPARC_TLS_LDM_CALL
+ENUMX
+ BFD_RELOC_SPARC_TLS_LDO_HIX22
+ENUMX
+ BFD_RELOC_SPARC_TLS_LDO_LOX10
+ENUMX
+ BFD_RELOC_SPARC_TLS_LDO_ADD
+ENUMX
+ BFD_RELOC_SPARC_TLS_IE_HI22
+ENUMX
+ BFD_RELOC_SPARC_TLS_IE_LO10
+ENUMX
+ BFD_RELOC_SPARC_TLS_IE_LD
+ENUMX
+ BFD_RELOC_SPARC_TLS_IE_LDX
+ENUMX
+ BFD_RELOC_SPARC_TLS_IE_ADD
+ENUMX
+ BFD_RELOC_SPARC_TLS_LE_HIX22
+ENUMX
+ BFD_RELOC_SPARC_TLS_LE_LOX10
+ENUMX
+ BFD_RELOC_SPARC_TLS_DTPMOD32
+ENUMX
+ BFD_RELOC_SPARC_TLS_DTPMOD64
+ENUMX
+ BFD_RELOC_SPARC_TLS_DTPOFF32
+ENUMX
+ BFD_RELOC_SPARC_TLS_DTPOFF64
+ENUMX
+ BFD_RELOC_SPARC_TLS_TPOFF32
+ENUMX
+ BFD_RELOC_SPARC_TLS_TPOFF64
+ENUMDOC
+ SPARC TLS relocations
ENUM
BFD_RELOC_ALPHA_GPDISP_HI16
The GPREL_HI/LO relocations together form a 32-bit offset from the
GP register.
+ENUM
+ BFD_RELOC_ALPHA_BRSGP
+ENUMDOC
+ Like BFD_RELOC_23_PCREL_S2, except that the source and target must
+ share a common GP, and the target address is adjusted for
+ STO_ALPHA_STD_GPLOAD.
+
+ENUM
+ BFD_RELOC_ALPHA_TLSGD
+ENUMX
+ BFD_RELOC_ALPHA_TLSLDM
+ENUMX
+ BFD_RELOC_ALPHA_DTPMOD64
+ENUMX
+ BFD_RELOC_ALPHA_GOTDTPREL16
+ENUMX
+ BFD_RELOC_ALPHA_DTPREL64
+ENUMX
+ BFD_RELOC_ALPHA_DTPREL_HI16
+ENUMX
+ BFD_RELOC_ALPHA_DTPREL_LO16
+ENUMX
+ BFD_RELOC_ALPHA_DTPREL16
+ENUMX
+ BFD_RELOC_ALPHA_GOTTPREL16
+ENUMX
+ BFD_RELOC_ALPHA_TPREL64
+ENUMX
+ BFD_RELOC_ALPHA_TPREL_HI16
+ENUMX
+ BFD_RELOC_ALPHA_TPREL_LO16
+ENUMX
+ BFD_RELOC_ALPHA_TPREL16
+ENUMDOC
+ Alpha thread-local storage relocations.
+
ENUM
BFD_RELOC_MIPS_JMP
ENUMDOC
BFD_RELOC_MIPS_RELGOT
ENUMX
BFD_RELOC_MIPS_JALR
-COMMENT
ENUMDOC
MIPS ELF relocations.
+COMMENT
+
+ENUM
+ BFD_RELOC_FRV_LABEL16
+ENUMX
+ BFD_RELOC_FRV_LABEL24
+ENUMX
+ BFD_RELOC_FRV_LO16
+ENUMX
+ BFD_RELOC_FRV_HI16
+ENUMX
+ BFD_RELOC_FRV_GPREL12
+ENUMX
+ BFD_RELOC_FRV_GPRELU12
+ENUMX
+ BFD_RELOC_FRV_GPREL32
+ENUMX
+ BFD_RELOC_FRV_GPRELHI
+ENUMX
+ BFD_RELOC_FRV_GPRELLO
+ENUMDOC
+ Fujitsu Frv Relocations.
+COMMENT
+ENUM
+ BFD_RELOC_MN10300_GOTOFF24
+ENUMDOC
+ This is a 24bit GOT-relative reloc for the mn10300.
+ENUM
+ BFD_RELOC_MN10300_GOT32
+ENUMDOC
+ This is a 32bit GOT-relative reloc for the mn10300, offset by two bytes
+ in the instruction.
+ENUM
+ BFD_RELOC_MN10300_GOT24
+ENUMDOC
+ This is a 24bit GOT-relative reloc for the mn10300, offset by two bytes
+ in the instruction.
+ENUM
+ BFD_RELOC_MN10300_GOT16
+ENUMDOC
+ This is a 16bit GOT-relative reloc for the mn10300, offset by two bytes
+ in the instruction.
+ENUM
+ BFD_RELOC_MN10300_COPY
+ENUMDOC
+ Copy symbol at runtime.
+ENUM
+ BFD_RELOC_MN10300_GLOB_DAT
+ENUMDOC
+ Create GOT entry.
+ENUM
+ BFD_RELOC_MN10300_JMP_SLOT
+ENUMDOC
+ Create PLT entry.
+ENUM
+ BFD_RELOC_MN10300_RELATIVE
+ENUMDOC
+ Adjust by program base.
COMMENT
ENUM
BFD_RELOC_386_GOTOFF
ENUMX
BFD_RELOC_386_GOTPC
+ENUMX
+ BFD_RELOC_386_TLS_TPOFF
+ENUMX
+ BFD_RELOC_386_TLS_IE
+ENUMX
+ BFD_RELOC_386_TLS_GOTIE
+ENUMX
+ BFD_RELOC_386_TLS_LE
+ENUMX
+ BFD_RELOC_386_TLS_GD
+ENUMX
+ BFD_RELOC_386_TLS_LDM
+ENUMX
+ BFD_RELOC_386_TLS_LDO_32
+ENUMX
+ BFD_RELOC_386_TLS_IE_32
+ENUMX
+ BFD_RELOC_386_TLS_LE_32
+ENUMX
+ BFD_RELOC_386_TLS_DTPMOD32
+ENUMX
+ BFD_RELOC_386_TLS_DTPOFF32
+ENUMX
+ BFD_RELOC_386_TLS_TPOFF32
ENUMDOC
i386/elf relocations
BFD_RELOC_X86_64_GOTPCREL
ENUMX
BFD_RELOC_X86_64_32S
+ENUMX
+ BFD_RELOC_X86_64_DTPMOD64
+ENUMX
+ BFD_RELOC_X86_64_DTPOFF64
+ENUMX
+ BFD_RELOC_X86_64_TPOFF64
+ENUMX
+ BFD_RELOC_X86_64_TLSGD
+ENUMX
+ BFD_RELOC_X86_64_TLSLD
+ENUMX
+ BFD_RELOC_X86_64_DTPOFF32
+ENUMX
+ BFD_RELOC_X86_64_GOTTPOFF
+ENUMX
+ BFD_RELOC_X86_64_TPOFF32
ENUMDOC
x86-64/elf relocations
ENUMDOC
Power(rs6000) and PowerPC relocations.
+ENUM
+ BFD_RELOC_PPC_TLS
+ENUMX
+ BFD_RELOC_PPC_DTPMOD
+ENUMX
+ BFD_RELOC_PPC_TPREL16
+ENUMX
+ BFD_RELOC_PPC_TPREL16_LO
+ENUMX
+ BFD_RELOC_PPC_TPREL16_HI
+ENUMX
+ BFD_RELOC_PPC_TPREL16_HA
+ENUMX
+ BFD_RELOC_PPC_TPREL
+ENUMX
+ BFD_RELOC_PPC_DTPREL16
+ENUMX
+ BFD_RELOC_PPC_DTPREL16_LO
+ENUMX
+ BFD_RELOC_PPC_DTPREL16_HI
+ENUMX
+ BFD_RELOC_PPC_DTPREL16_HA
+ENUMX
+ BFD_RELOC_PPC_DTPREL
+ENUMX
+ BFD_RELOC_PPC_GOT_TLSGD16
+ENUMX
+ BFD_RELOC_PPC_GOT_TLSGD16_LO
+ENUMX
+ BFD_RELOC_PPC_GOT_TLSGD16_HI
+ENUMX
+ BFD_RELOC_PPC_GOT_TLSGD16_HA
+ENUMX
+ BFD_RELOC_PPC_GOT_TLSLD16
+ENUMX
+ BFD_RELOC_PPC_GOT_TLSLD16_LO
+ENUMX
+ BFD_RELOC_PPC_GOT_TLSLD16_HI
+ENUMX
+ BFD_RELOC_PPC_GOT_TLSLD16_HA
+ENUMX
+ BFD_RELOC_PPC_GOT_TPREL16
+ENUMX
+ BFD_RELOC_PPC_GOT_TPREL16_LO
+ENUMX
+ BFD_RELOC_PPC_GOT_TPREL16_HI
+ENUMX
+ BFD_RELOC_PPC_GOT_TPREL16_HA
+ENUMX
+ BFD_RELOC_PPC_GOT_DTPREL16
+ENUMX
+ BFD_RELOC_PPC_GOT_DTPREL16_LO
+ENUMX
+ BFD_RELOC_PPC_GOT_DTPREL16_HI
+ENUMX
+ BFD_RELOC_PPC_GOT_DTPREL16_HA
+ENUMX
+ BFD_RELOC_PPC64_TPREL16_DS
+ENUMX
+ BFD_RELOC_PPC64_TPREL16_LO_DS
+ENUMX
+ BFD_RELOC_PPC64_TPREL16_HIGHER
+ENUMX
+ BFD_RELOC_PPC64_TPREL16_HIGHERA
+ENUMX
+ BFD_RELOC_PPC64_TPREL16_HIGHEST
+ENUMX
+ BFD_RELOC_PPC64_TPREL16_HIGHESTA
+ENUMX
+ BFD_RELOC_PPC64_DTPREL16_DS
+ENUMX
+ BFD_RELOC_PPC64_DTPREL16_LO_DS
+ENUMX
+ BFD_RELOC_PPC64_DTPREL16_HIGHER
+ENUMX
+ BFD_RELOC_PPC64_DTPREL16_HIGHERA
+ENUMX
+ BFD_RELOC_PPC64_DTPREL16_HIGHEST
+ENUMX
+ BFD_RELOC_PPC64_DTPREL16_HIGHESTA
+ENUMDOC
+ PowerPC and PowerPC64 thread-local storage relocations.
+
ENUM
BFD_RELOC_I370_D12
ENUMDOC
ENUM
BFD_RELOC_CTOR
ENUMDOC
- The type of reloc used to build a contructor table - at the moment
+ The type of reloc used to build a constructor table - at the moment
probably a 32 bit wide absolute relocation, but the target can choose.
It generally does map to one of the other relocation types.
BFD_RELOC_ARM_MULTI
ENUMX
BFD_RELOC_ARM_CP_OFF_IMM
+ENUMX
+ BFD_RELOC_ARM_CP_OFF_IMM_S2
ENUMX
BFD_RELOC_ARM_ADR_IMM
ENUMX
BFD_RELOC_SH_RELATIVE
ENUMX
BFD_RELOC_SH_GOTPC
+ENUMX
+ BFD_RELOC_SH_GOT_LOW16
+ENUMX
+ BFD_RELOC_SH_GOT_MEDLOW16
+ENUMX
+ BFD_RELOC_SH_GOT_MEDHI16
+ENUMX
+ BFD_RELOC_SH_GOT_HI16
+ENUMX
+ BFD_RELOC_SH_GOTPLT_LOW16
+ENUMX
+ BFD_RELOC_SH_GOTPLT_MEDLOW16
+ENUMX
+ BFD_RELOC_SH_GOTPLT_MEDHI16
+ENUMX
+ BFD_RELOC_SH_GOTPLT_HI16
+ENUMX
+ BFD_RELOC_SH_PLT_LOW16
+ENUMX
+ BFD_RELOC_SH_PLT_MEDLOW16
+ENUMX
+ BFD_RELOC_SH_PLT_MEDHI16
+ENUMX
+ BFD_RELOC_SH_PLT_HI16
+ENUMX
+ BFD_RELOC_SH_GOTOFF_LOW16
+ENUMX
+ BFD_RELOC_SH_GOTOFF_MEDLOW16
+ENUMX
+ BFD_RELOC_SH_GOTOFF_MEDHI16
+ENUMX
+ BFD_RELOC_SH_GOTOFF_HI16
+ENUMX
+ BFD_RELOC_SH_GOTPC_LOW16
+ENUMX
+ BFD_RELOC_SH_GOTPC_MEDLOW16
+ENUMX
+ BFD_RELOC_SH_GOTPC_MEDHI16
+ENUMX
+ BFD_RELOC_SH_GOTPC_HI16
+ENUMX
+ BFD_RELOC_SH_COPY64
+ENUMX
+ BFD_RELOC_SH_GLOB_DAT64
+ENUMX
+ BFD_RELOC_SH_JMP_SLOT64
+ENUMX
+ BFD_RELOC_SH_RELATIVE64
+ENUMX
+ BFD_RELOC_SH_GOT10BY4
+ENUMX
+ BFD_RELOC_SH_GOT10BY8
+ENUMX
+ BFD_RELOC_SH_GOTPLT10BY4
+ENUMX
+ BFD_RELOC_SH_GOTPLT10BY8
+ENUMX
+ BFD_RELOC_SH_GOTPLT32
+ENUMX
+ BFD_RELOC_SH_SHMEDIA_CODE
+ENUMX
+ BFD_RELOC_SH_IMMU5
+ENUMX
+ BFD_RELOC_SH_IMMS6
+ENUMX
+ BFD_RELOC_SH_IMMS6BY32
+ENUMX
+ BFD_RELOC_SH_IMMU6
+ENUMX
+ BFD_RELOC_SH_IMMS10
+ENUMX
+ BFD_RELOC_SH_IMMS10BY2
+ENUMX
+ BFD_RELOC_SH_IMMS10BY4
+ENUMX
+ BFD_RELOC_SH_IMMS10BY8
+ENUMX
+ BFD_RELOC_SH_IMMS16
+ENUMX
+ BFD_RELOC_SH_IMMU16
+ENUMX
+ BFD_RELOC_SH_IMM_LOW16
+ENUMX
+ BFD_RELOC_SH_IMM_LOW16_PCREL
+ENUMX
+ BFD_RELOC_SH_IMM_MEDLOW16
+ENUMX
+ BFD_RELOC_SH_IMM_MEDLOW16_PCREL
+ENUMX
+ BFD_RELOC_SH_IMM_MEDHI16
+ENUMX
+ BFD_RELOC_SH_IMM_MEDHI16_PCREL
+ENUMX
+ BFD_RELOC_SH_IMM_HI16
+ENUMX
+ BFD_RELOC_SH_IMM_HI16_PCREL
+ENUMX
+ BFD_RELOC_SH_PT_16
+ENUMX
+ BFD_RELOC_SH_TLS_GD_32
+ENUMX
+ BFD_RELOC_SH_TLS_LD_32
+ENUMX
+ BFD_RELOC_SH_TLS_LDO_32
+ENUMX
+ BFD_RELOC_SH_TLS_IE_32
+ENUMX
+ BFD_RELOC_SH_TLS_LE_32
+ENUMX
+ BFD_RELOC_SH_TLS_DTPMOD32
+ENUMX
+ BFD_RELOC_SH_TLS_DTPOFF32
+ENUMX
+ BFD_RELOC_SH_TLS_TPOFF32
ENUMDOC
- Hitachi SH relocs. Not all of these appear in object files.
+ Renesas / SuperH SH relocs. Not all of these appear in object files.
ENUM
BFD_RELOC_THUMB_PCREL_BRANCH9
ENUMDOC
This is a 32-bit pc-relative reloc.
+ENUM
+ BFD_RELOC_DLX_HI16_S
+ENUMDOC
+ DLX relocs
+ENUM
+ BFD_RELOC_DLX_LO16
+ENUMDOC
+ DLX relocs
+ENUM
+ BFD_RELOC_DLX_JMP26
+ENUMDOC
+ DLX relocs
+
ENUM
BFD_RELOC_M32R_24
ENUMDOC
- Mitsubishi M32R relocs.
+ Renesas M32R (formerly Mitsubishi M32R) relocs.
This is a 24 bit absolute address.
ENUM
BFD_RELOC_M32R_10_PCREL
BFD_RELOC_V850_SDA_16_16_SPLIT_OFFSET
ENUMDOC
This is a 16 bit offset from the short data area pointer, with the
- bits placed non-contigously in the instruction.
+ bits placed non-contiguously in the instruction.
ENUM
BFD_RELOC_V850_ZDA_16_16_SPLIT_OFFSET
ENUMDOC
This is a 16 bit offset from the zero data area pointer, with the
- bits placed non-contigously in the instruction.
+ bits placed non-contiguously in the instruction.
ENUM
BFD_RELOC_V850_CALLT_6_7_OFFSET
ENUMDOC
BFD_RELOC_V850_CALLT_16_16_OFFSET
ENUMDOC
This is a 16 bit offset from the call table base pointer.
-COMMENT
-
+ENUM
+ BFD_RELOC_V850_LONGCALL
+ENUMDOC
+ Used for relaxing indirect function calls.
+ENUM
+ BFD_RELOC_V850_LONGJUMP
+ENUMDOC
+ Used for relaxing indirect jumps.
+ENUM
+ BFD_RELOC_V850_ALIGN
+ENUMDOC
+ Used to maintain alignment whilst relaxing.
ENUM
BFD_RELOC_MN10300_32_PCREL
ENUMDOC
BFD_RELOC_MMIX_PUSHJ_2
ENUMX
BFD_RELOC_MMIX_PUSHJ_3
+ENUMX
+ BFD_RELOC_MMIX_PUSHJ_STUBBABLE
ENUMDOC
These are relocations for the PUSHJ instruction.
ENUM
BFD_RELOC_390_GOTENT
ENUMDOC
32 bit rel. offset to GOT entry.
+ENUM
+ BFD_RELOC_390_GOTOFF64
+ENUMDOC
+ 64 bit offset to GOT.
+ENUM
+ BFD_RELOC_390_GOTPLT12
+ENUMDOC
+ 12-bit offset to symbol-entry within GOT, with PLT handling.
+ENUM
+ BFD_RELOC_390_GOTPLT16
+ENUMDOC
+ 16-bit offset to symbol-entry within GOT, with PLT handling.
+ENUM
+ BFD_RELOC_390_GOTPLT32
+ENUMDOC
+ 32-bit offset to symbol-entry within GOT, with PLT handling.
+ENUM
+ BFD_RELOC_390_GOTPLT64
+ENUMDOC
+ 64-bit offset to symbol-entry within GOT, with PLT handling.
+ENUM
+ BFD_RELOC_390_GOTPLTENT
+ENUMDOC
+ 32-bit rel. offset to symbol-entry within GOT, with PLT handling.
+ENUM
+ BFD_RELOC_390_PLTOFF16
+ENUMDOC
+ 16-bit rel. offset from the GOT to a PLT entry.
+ENUM
+ BFD_RELOC_390_PLTOFF32
+ENUMDOC
+ 32-bit rel. offset from the GOT to a PLT entry.
+ENUM
+ BFD_RELOC_390_PLTOFF64
+ENUMDOC
+ 64-bit rel. offset from the GOT to a PLT entry.
+
+ENUM
+ BFD_RELOC_390_TLS_LOAD
+ENUMX
+ BFD_RELOC_390_TLS_GDCALL
+ENUMX
+ BFD_RELOC_390_TLS_LDCALL
+ENUMX
+ BFD_RELOC_390_TLS_GD32
+ENUMX
+ BFD_RELOC_390_TLS_GD64
+ENUMX
+ BFD_RELOC_390_TLS_GOTIE12
+ENUMX
+ BFD_RELOC_390_TLS_GOTIE32
+ENUMX
+ BFD_RELOC_390_TLS_GOTIE64
+ENUMX
+ BFD_RELOC_390_TLS_LDM32
+ENUMX
+ BFD_RELOC_390_TLS_LDM64
+ENUMX
+ BFD_RELOC_390_TLS_IE32
+ENUMX
+ BFD_RELOC_390_TLS_IE64
+ENUMX
+ BFD_RELOC_390_TLS_IEENT
+ENUMX
+ BFD_RELOC_390_TLS_LE32
+ENUMX
+ BFD_RELOC_390_TLS_LE64
+ENUMX
+ BFD_RELOC_390_TLS_LDO32
+ENUMX
+ BFD_RELOC_390_TLS_LDO64
+ENUMX
+ BFD_RELOC_390_TLS_DTPMOD
+ENUMX
+ BFD_RELOC_390_TLS_DTPOFF
+ENUMX
+ BFD_RELOC_390_TLS_TPOFF
+ENUMDOC
+ s390 tls relocations.
+
+ENUM
+ BFD_RELOC_390_20
+ENUMX
+ BFD_RELOC_390_GOT20
+ENUMX
+ BFD_RELOC_390_GOTPLT20
+ENUMX
+ BFD_RELOC_390_TLS_GOTIE20
+ENUMDOC
+ Long displacement extension.
+
+ENUM
+ BFD_RELOC_IP2K_FR9
+ENUMDOC
+ Scenix IP2K - 9-bit register number / data address
+ENUM
+ BFD_RELOC_IP2K_BANK
+ENUMDOC
+ Scenix IP2K - 4-bit register/data bank number
+ENUM
+ BFD_RELOC_IP2K_ADDR16CJP
+ENUMDOC
+ Scenix IP2K - low 13 bits of instruction word address
+ENUM
+ BFD_RELOC_IP2K_PAGE3
+ENUMDOC
+ Scenix IP2K - high 3 bits of instruction word address
+ENUM
+ BFD_RELOC_IP2K_LO8DATA
+ENUMX
+ BFD_RELOC_IP2K_HI8DATA
+ENUMX
+ BFD_RELOC_IP2K_EX8DATA
+ENUMDOC
+ Scenix IP2K - ext/low/high 8 bits of data address
+ENUM
+ BFD_RELOC_IP2K_LO8INSN
+ENUMX
+ BFD_RELOC_IP2K_HI8INSN
+ENUMDOC
+ Scenix IP2K - low/high 8 bits of instruction word address
+ENUM
+ BFD_RELOC_IP2K_PC_SKIP
+ENUMDOC
+ Scenix IP2K - even/odd PC modifier to modify snb pcl.0
+ENUM
+ BFD_RELOC_IP2K_TEXT
+ENUMDOC
+ Scenix IP2K - 16 bit word address in text section.
+ENUM
+ BFD_RELOC_IP2K_FR_OFFSET
+ENUMDOC
+ Scenix IP2K - 7-bit sp or dp offset
+ENUM
+ BFD_RELOC_VPE4KMATH_DATA
+ENUMX
+ BFD_RELOC_VPE4KMATH_INSN
+ENUMDOC
+ Scenix VPE4K coprocessor - data/insn-space addressing
ENUM
BFD_RELOC_VTABLE_INHERIT
included in the output.
VTABLE_INHERIT is a zero-space relocation used to describe to the
- linker the inheritence tree of a C++ virtual function table. The
+ linker the inheritance tree of a C++ virtual function table. The
relocation's symbol should be the parent class' vtable, and the
relocation should be located at the child vtable.
BFD_RELOC_IA64_IPLTLSB
ENUMX
BFD_RELOC_IA64_COPY
+ENUMX
+ BFD_RELOC_IA64_LTOFF22X
+ENUMX
+ BFD_RELOC_IA64_LDXMOV
+ENUMX
+ BFD_RELOC_IA64_TPREL14
ENUMX
BFD_RELOC_IA64_TPREL22
+ENUMX
+ BFD_RELOC_IA64_TPREL64I
ENUMX
BFD_RELOC_IA64_TPREL64MSB
ENUMX
BFD_RELOC_IA64_TPREL64LSB
ENUMX
- BFD_RELOC_IA64_LTOFF_TP22
+ BFD_RELOC_IA64_LTOFF_TPREL22
ENUMX
- BFD_RELOC_IA64_LTOFF22X
+ BFD_RELOC_IA64_DTPMOD64MSB
ENUMX
- BFD_RELOC_IA64_LDXMOV
+ BFD_RELOC_IA64_DTPMOD64LSB
+ENUMX
+ BFD_RELOC_IA64_LTOFF_DTPMOD22
+ENUMX
+ BFD_RELOC_IA64_DTPREL14
+ENUMX
+ BFD_RELOC_IA64_DTPREL22
+ENUMX
+ BFD_RELOC_IA64_DTPREL64I
+ENUMX
+ BFD_RELOC_IA64_DTPREL32MSB
+ENUMX
+ BFD_RELOC_IA64_DTPREL32LSB
+ENUMX
+ BFD_RELOC_IA64_DTPREL64MSB
+ENUMX
+ BFD_RELOC_IA64_DTPREL64LSB
+ENUMX
+ BFD_RELOC_IA64_LTOFF_DTPREL22
ENUMDOC
Intel IA64 Relocations.
BFD_RELOC_M68HC11_HI8
ENUMDOC
Motorola 68HC11 reloc.
- This is the 8 bits high part of an absolute address.
+ This is the 8 bit high part of an absolute address.
ENUM
BFD_RELOC_M68HC11_LO8
ENUMDOC
Motorola 68HC11 reloc.
- This is the 8 bits low part of an absolute address.
+ This is the 8 bit low part of an absolute address.
ENUM
BFD_RELOC_M68HC11_3B
ENUMDOC
Motorola 68HC11 reloc.
- This is the 3 bits of a value.
+ This is the 3 bit of a value.
+ENUM
+ BFD_RELOC_M68HC11_RL_JUMP
+ENUMDOC
+ Motorola 68HC11 reloc.
+ This reloc marks the beginning of a jump/call instruction.
+ It is used for linker relaxation to correctly identify beginning
+ of instruction and change some branches to use PC-relative
+ addressing mode.
+ENUM
+ BFD_RELOC_M68HC11_RL_GROUP
+ENUMDOC
+ Motorola 68HC11 reloc.
+ This reloc marks a group of several instructions that gcc generates
+ and for which the linker relaxation pass can modify and/or remove
+ some of them.
+ENUM
+ BFD_RELOC_M68HC11_LO16
+ENUMDOC
+ Motorola 68HC11 reloc.
+ This is the 16-bit lower part of an address. It is used for 'call'
+ instruction to specify the symbol address without any special
+ transformation (due to memory bank window).
+ENUM
+ BFD_RELOC_M68HC11_PAGE
+ENUMDOC
+ Motorola 68HC11 reloc.
+ This is a 8-bit reloc that specifies the page number of an address.
+ It is used by 'call' instruction to specify the page number of
+ the symbol.
+ENUM
+ BFD_RELOC_M68HC11_24
+ENUMDOC
+ Motorola 68HC11 reloc.
+ This is a 24-bit reloc that represents the address with a 16-bit
+ value and a 8-bit page number. The symbol address is transformed
+ to follow the 16K memory bank of 68HC12 (seen as mapped in the window).
ENUM
BFD_RELOC_CRIS_BDISP8
ENUM
BFD_RELOC_XSTORMY16_REL_12
+ENUMX
+ BFD_RELOC_XSTORMY16_12
ENUMX
BFD_RELOC_XSTORMY16_24
ENUMX
ENUMDOC
Sony Xstormy16 Relocations.
+ENUM
+ BFD_RELOC_VAX_GLOB_DAT
+ENUMX
+ BFD_RELOC_VAX_JMP_SLOT
+ENUMX
+ BFD_RELOC_VAX_RELATIVE
+ENUMDOC
+ Relocations used by VAX ELF.
+
+ENUM
+ BFD_RELOC_MSP430_10_PCREL
+ENUMX
+ BFD_RELOC_MSP430_16_PCREL
+ENUMX
+ BFD_RELOC_MSP430_16
+ENUMX
+ BFD_RELOC_MSP430_16_PCREL_BYTE
+ENUMX
+ BFD_RELOC_MSP430_16_BYTE
+ENUMDOC
+ msp430 specific relocation codes
+
+ENUM
+ BFD_RELOC_IQ2000_OFFSET_16
+ENUMX
+ BFD_RELOC_IQ2000_OFFSET_21
+ENUMX
+ BFD_RELOC_IQ2000_UHI16
+ENUMDOC
+ IQ2000 Relocations.
+
+ENUM
+ BFD_RELOC_XTENSA_RTLD
+ENUMDOC
+ Special Xtensa relocation used only by PLT entries in ELF shared
+ objects to indicate that the runtime linker should set the value
+ to one of its own internal functions or data structures.
+ENUM
+ BFD_RELOC_XTENSA_GLOB_DAT
+ENUMX
+ BFD_RELOC_XTENSA_JMP_SLOT
+ENUMX
+ BFD_RELOC_XTENSA_RELATIVE
+ENUMDOC
+ Xtensa relocations for ELF shared objects.
+ENUM
+ BFD_RELOC_XTENSA_PLT
+ENUMDOC
+ Xtensa relocation used in ELF object files for symbols that may require
+ PLT entries. Otherwise, this is just a generic 32-bit relocation.
+ENUM
+ BFD_RELOC_XTENSA_OP0
+ENUMX
+ BFD_RELOC_XTENSA_OP1
+ENUMX
+ BFD_RELOC_XTENSA_OP2
+ENUMDOC
+ Generic Xtensa relocations. Only the operand number is encoded
+ in the relocation. The details are determined by extracting the
+ instruction opcode.
+ENUM
+ BFD_RELOC_XTENSA_ASM_EXPAND
+ENUMDOC
+ Xtensa relocation to mark that the assembler expanded the
+ instructions from an original target. The expansion size is
+ encoded in the reloc size.
+ENUM
+ BFD_RELOC_XTENSA_ASM_SIMPLIFY
+ENUMDOC
+ Xtensa relocation to mark that the linker should simplify
+ assembler-expanded instructions. This is commonly used
+ internally by the linker after analysis of a
+ BFD_RELOC_XTENSA_ASM_EXPAND.
+
ENDSENUM
BFD_RELOC_UNUSED
CODE_FRAGMENT
bfd_reloc_type_lookup
SYNOPSIS
- reloc_howto_type *
- bfd_reloc_type_lookup (bfd *abfd, bfd_reloc_code_real_type code);
+ reloc_howto_type *bfd_reloc_type_lookup
+ (bfd *abfd, bfd_reloc_code_real_type code);
DESCRIPTION
Return a pointer to a howto structure which, when
*/
reloc_howto_type *
-bfd_reloc_type_lookup (abfd, code)
- bfd *abfd;
- bfd_reloc_code_real_type code;
+bfd_reloc_type_lookup (bfd *abfd, bfd_reloc_code_real_type code)
{
return BFD_SEND (abfd, reloc_type_lookup, (abfd, code));
}
static reloc_howto_type bfd_howto_32 =
-HOWTO (0, 00, 2, 32, false, 0, complain_overflow_bitfield, 0, "VRT32", false, 0xffffffff, 0xffffffff, true);
+HOWTO (0, 00, 2, 32, FALSE, 0, complain_overflow_bitfield, 0, "VRT32", FALSE, 0xffffffff, 0xffffffff, TRUE);
/*
INTERNAL_FUNCTION
SYNOPSIS
reloc_howto_type *bfd_default_reloc_type_lookup
- (bfd *abfd, bfd_reloc_code_real_type code);
+ (bfd *abfd, bfd_reloc_code_real_type code);
DESCRIPTION
Provides a default relocation lookup routine for any architecture.
*/
reloc_howto_type *
-bfd_default_reloc_type_lookup (abfd, code)
- bfd *abfd;
- bfd_reloc_code_real_type code;
+bfd_default_reloc_type_lookup (bfd *abfd, bfd_reloc_code_real_type code)
{
switch (code)
{
default:
BFD_FAIL ();
}
- return (reloc_howto_type *) NULL;
+ return NULL;
}
/*
*/
const char *
-bfd_get_reloc_code_name (code)
- bfd_reloc_code_real_type code;
+bfd_get_reloc_code_name (bfd_reloc_code_real_type code)
{
if (code > BFD_RELOC_UNUSED)
return 0;
- return bfd_reloc_code_real_names[(int)code];
+ return bfd_reloc_code_real_names[code];
}
/*
bfd_generic_relax_section
SYNOPSIS
- boolean bfd_generic_relax_section
- (bfd *abfd,
- asection *section,
- struct bfd_link_info *,
- boolean *);
+ bfd_boolean bfd_generic_relax_section
+ (bfd *abfd,
+ asection *section,
+ struct bfd_link_info *,
+ bfd_boolean *);
DESCRIPTION
Provides default handling for relaxing for back ends which
- don't do relaxing -- i.e., does nothing.
+ don't do relaxing -- i.e., does nothing except make sure that the
+ final size of the section is set.
*/
-/*ARGSUSED*/
-boolean
-bfd_generic_relax_section (abfd, section, link_info, again)
- bfd *abfd ATTRIBUTE_UNUSED;
- asection *section ATTRIBUTE_UNUSED;
- struct bfd_link_info *link_info ATTRIBUTE_UNUSED;
- boolean *again;
+bfd_boolean
+bfd_generic_relax_section (bfd *abfd ATTRIBUTE_UNUSED,
+ asection *section ATTRIBUTE_UNUSED,
+ struct bfd_link_info *link_info ATTRIBUTE_UNUSED,
+ bfd_boolean *again)
{
- *again = false;
- return true;
+ /* We're not relaxing the section, so just copy the size info if it's
+ zero. Someone else, like bfd_merge_sections, might have set it, so
+ don't overwrite a non-zero value. */
+ if (section->_cooked_size == 0)
+ section->_cooked_size = section->_raw_size;
+ *again = FALSE;
+ return TRUE;
}
/*
bfd_generic_gc_sections
SYNOPSIS
- boolean bfd_generic_gc_sections
- (bfd *, struct bfd_link_info *);
+ bfd_boolean bfd_generic_gc_sections
+ (bfd *, struct bfd_link_info *);
DESCRIPTION
Provides default handling for relaxing for back ends which
don't do section gc -- i.e., does nothing.
*/
-/*ARGSUSED*/
-boolean
-bfd_generic_gc_sections (abfd, link_info)
- bfd *abfd ATTRIBUTE_UNUSED;
- struct bfd_link_info *link_info ATTRIBUTE_UNUSED;
+bfd_boolean
+bfd_generic_gc_sections (bfd *abfd ATTRIBUTE_UNUSED,
+ struct bfd_link_info *link_info ATTRIBUTE_UNUSED)
{
- return true;
+ return TRUE;
}
/*
bfd_generic_merge_sections
SYNOPSIS
- boolean bfd_generic_merge_sections
- (bfd *, struct bfd_link_info *);
+ bfd_boolean bfd_generic_merge_sections
+ (bfd *, struct bfd_link_info *);
DESCRIPTION
Provides default handling for SEC_MERGE section merging for back ends
which don't have SEC_MERGE support -- i.e., does nothing.
*/
-/*ARGSUSED*/
-boolean
-bfd_generic_merge_sections (abfd, link_info)
- bfd *abfd ATTRIBUTE_UNUSED;
- struct bfd_link_info *link_info ATTRIBUTE_UNUSED;
+bfd_boolean
+bfd_generic_merge_sections (bfd *abfd ATTRIBUTE_UNUSED,
+ struct bfd_link_info *link_info ATTRIBUTE_UNUSED)
{
- return true;
+ return TRUE;
}
/*
bfd_generic_get_relocated_section_contents
SYNOPSIS
- bfd_byte *
- bfd_generic_get_relocated_section_contents (bfd *abfd,
- struct bfd_link_info *link_info,
- struct bfd_link_order *link_order,
- bfd_byte *data,
- boolean relocateable,
- asymbol **symbols);
+ bfd_byte *bfd_generic_get_relocated_section_contents
+ (bfd *abfd,
+ struct bfd_link_info *link_info,
+ struct bfd_link_order *link_order,
+ bfd_byte *data,
+ bfd_boolean relocatable,
+ asymbol **symbols);
DESCRIPTION
Provides default handling of relocation effort for back ends
*/
bfd_byte *
-bfd_generic_get_relocated_section_contents (abfd, link_info, link_order, data,
- relocateable, symbols)
- bfd *abfd;
- struct bfd_link_info *link_info;
- struct bfd_link_order *link_order;
- bfd_byte *data;
- boolean relocateable;
- asymbol **symbols;
+bfd_generic_get_relocated_section_contents (bfd *abfd,
+ struct bfd_link_info *link_info,
+ struct bfd_link_order *link_order,
+ bfd_byte *data,
+ bfd_boolean relocatable,
+ asymbol **symbols)
{
- /* Get enough memory to hold the stuff */
+ /* Get enough memory to hold the stuff. */
bfd *input_bfd = link_order->u.indirect.section->owner;
asection *input_section = link_order->u.indirect.section;
if (reloc_size < 0)
goto error_return;
- reloc_vector = (arelent **) bfd_malloc ((bfd_size_type) reloc_size);
+ reloc_vector = bfd_malloc (reloc_size);
if (reloc_vector == NULL && reloc_size != 0)
goto error_return;
- /* read in the section */
+ /* Read in the section. */
if (!bfd_get_section_contents (input_bfd,
input_section,
- (PTR) data,
- (bfd_vma) 0,
+ data,
+ 0,
input_section->_raw_size))
goto error_return;
- /* We're not relaxing the section, so just copy the size info */
- input_section->_cooked_size = input_section->_raw_size;
- input_section->reloc_done = true;
+ /* Don't set input_section->_cooked_size here. The caller has set
+ _cooked_size or called bfd_relax_section, which sets _cooked_size.
+ Despite using this generic relocation function, some targets perform
+ target-specific relaxation or string merging, which happens before
+ this function is called. We do not want to clobber the _cooked_size
+ they computed. */
+
+ input_section->reloc_done = TRUE;
reloc_count = bfd_canonicalize_reloc (input_bfd,
input_section,
if (reloc_count > 0)
{
arelent **parent;
- for (parent = reloc_vector; *parent != (arelent *) NULL;
- parent++)
+ for (parent = reloc_vector; *parent != NULL; parent++)
{
- char *error_message = (char *) NULL;
+ char *error_message = NULL;
bfd_reloc_status_type r =
bfd_perform_relocation (input_bfd,
*parent,
- (PTR) data,
+ data,
input_section,
- relocateable ? abfd : (bfd *) NULL,
+ relocatable ? abfd : NULL,
&error_message);
- if (relocateable)
+ if (relocatable)
{
asection *os = input_section->output_section;
- /* A partial link, so keep the relocs */
+ /* A partial link, so keep the relocs. */
os->orelocation[os->reloc_count] = *parent;
os->reloc_count++;
}
if (!((*link_info->callbacks->undefined_symbol)
(link_info, bfd_asymbol_name (*(*parent)->sym_ptr_ptr),
input_bfd, input_section, (*parent)->address,
- true)))
+ TRUE)))
goto error_return;
break;
case bfd_reloc_dangerous:
- BFD_ASSERT (error_message != (char *) NULL);
+ BFD_ASSERT (error_message != NULL);
if (!((*link_info->callbacks->reloc_dangerous)
(link_info, error_message, input_bfd, input_section,
(*parent)->address)))
projects / deliverable / binutils-gdb.git / blobdiff