/* Generic relocation support for BFD.
|
/* Generic relocation support for BFD.
|
Copyright (C) 1998 Free Software Foundation, Inc.
|
Copyright (C) 1998 Free Software Foundation, Inc.
|
|
|
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
|
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
|
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 2 of the License, or
|
(at your option) any later version.
|
(at your option) any later version.
|
|
|
This program is distributed in the hope that it will be useful,
|
This program is distributed in the hope that it will be useful,
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
GNU General Public License for more details.
|
GNU General Public License for more details.
|
|
|
You should have received a copy of the GNU General Public License
|
You should have received a copy of the GNU General Public License
|
along with this program; if not, write to the Free Software Foundation,
|
along with this program; if not, write to the Free Software Foundation,
|
Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
|
Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
|
|
|
/* These macros are used by the various *.h target specific header
|
/* These macros are used by the various *.h target specific header
|
files to either generate an enum containing all the known relocations
|
files to either generate an enum containing all the known relocations
|
for that target, or if RELOC_MACROS_GEN_FUNC is defined, a recognition
|
for that target, or if RELOC_MACROS_GEN_FUNC is defined, a recognition
|
function is generated instead. (This is used by binutils/readelf.c)
|
function is generated instead. (This is used by binutils/readelf.c)
|
|
|
Given a header file like this:
|
Given a header file like this:
|
|
|
START_RELOC_NUMBERS (foo)
|
START_RELOC_NUMBERS (foo)
|
RELOC_NUMBER (R_foo_NONE, 0)
|
RELOC_NUMBER (R_foo_NONE, 0)
|
RELOC_NUMBER (R_foo_32, 1)
|
RELOC_NUMBER (R_foo_32, 1)
|
FAKE_RELOC (R_foo_illegal, 2)
|
FAKE_RELOC (R_foo_illegal, 2)
|
EMPTY_RELOC (R_foo_max)
|
EMPTY_RELOC (R_foo_max)
|
END_RELOC_NUMBERS
|
END_RELOC_NUMBERS
|
|
|
Then the following will be produced by default (ie if
|
Then the following will be produced by default (ie if
|
RELOC_MACROS_GEN_FUNC is *not* defined).
|
RELOC_MACROS_GEN_FUNC is *not* defined).
|
|
|
enum foo
|
enum foo
|
{
|
{
|
foo = -1,
|
foo = -1,
|
R_foo_NONE = 0,
|
R_foo_NONE = 0,
|
R_foo_32 = 1,
|
R_foo_32 = 1,
|
R_foo_illegal = 2,
|
R_foo_illegal = 2,
|
R_foo_max
|
R_foo_max
|
};
|
};
|
|
|
If RELOC_MACROS_GEN_FUNC *is* defined, then instead the
|
If RELOC_MACROS_GEN_FUNC *is* defined, then instead the
|
following function will be generated:
|
following function will be generated:
|
|
|
static const char * foo PARAMS ((unsigned long rtype));
|
static const char * foo PARAMS ((unsigned long rtype));
|
static const char *
|
static const char *
|
foo (rtype)
|
foo (rtype)
|
unsigned long rtype;
|
unsigned long rtype;
|
{
|
{
|
switch (rtype)
|
switch (rtype)
|
{
|
{
|
case 0: return "R_foo_NONE";
|
case 0: return "R_foo_NONE";
|
case 1: return "R_foo_32";
|
case 1: return "R_foo_32";
|
default: return NULL;
|
default: return NULL;
|
}
|
}
|
}
|
}
|
*/
|
*/
|
|
|
#ifndef _RELOC_MACROS_H
|
#ifndef _RELOC_MACROS_H
|
#define _RELOC_MACROS_H
|
#define _RELOC_MACROS_H
|
|
|
#ifdef RELOC_MACROS_GEN_FUNC
|
#ifdef RELOC_MACROS_GEN_FUNC
|
|
|
/* This function takes the relocation number and returns the
|
/* This function takes the relocation number and returns the
|
string version name of the name of that relocation. If
|
string version name of the name of that relocation. If
|
the relocation is not recognised, NULL is returned. */
|
the relocation is not recognised, NULL is returned. */
|
|
|
#define START_RELOC_NUMBERS(name) \
|
#define START_RELOC_NUMBERS(name) \
|
static const char * name PARAMS ((unsigned long rtype)); \
|
static const char * name PARAMS ((unsigned long rtype)); \
|
static const char * \
|
static const char * \
|
name (rtype) \
|
name (rtype) \
|
unsigned long rtype; \
|
unsigned long rtype; \
|
{ \
|
{ \
|
switch (rtype) \
|
switch (rtype) \
|
{
|
{
|
|
|
#ifdef __STDC__
|
#ifdef __STDC__
|
#define RELOC_NUMBER(name, number) case number : return #name ;
|
#define RELOC_NUMBER(name, number) case number : return #name ;
|
#else
|
#else
|
#define RELOC_NUMBER(name, number) case number : return "name" ;
|
#define RELOC_NUMBER(name, number) case number : return "name" ;
|
#endif
|
#endif
|
|
|
#define FAKE_RELOC(name, number)
|
#define FAKE_RELOC(name, number)
|
#define EMPTY_RELOC(name)
|
#define EMPTY_RELOC(name)
|
|
|
#define END_RELOC_NUMBERS \
|
#define END_RELOC_NUMBERS \
|
default: return NULL; \
|
default: return NULL; \
|
} \
|
} \
|
}
|
}
|
|
|
|
|
#else /* Default to generating enum. */
|
#else /* Default to generating enum. */
|
|
|
/* Some compilers cannot cope with an enum that ends with a trailing
|
/* Some compilers cannot cope with an enum that ends with a trailing
|
comma, so START_RELOC_NUMBERS creates a fake reloc entry, (initialised
|
comma, so START_RELOC_NUMBERS creates a fake reloc entry, (initialised
|
to -1 so that the first real entry will still default to 0). Further
|
to -1 so that the first real entry will still default to 0). Further
|
entries then prepend a comma to their definitions, creating a list
|
entries then prepend a comma to their definitions, creating a list
|
of enumerator entries that will satisfy these compilers. */
|
of enumerator entries that will satisfy these compilers. */
|
#ifdef __STDC__
|
#ifdef __STDC__
|
#define START_RELOC_NUMBERS(name) enum name { _##name = -1
|
#define START_RELOC_NUMBERS(name) enum name { _##name = -1
|
#else
|
#else
|
#define START_RELOC_NUMBERS(name) enum name { name = -1
|
#define START_RELOC_NUMBERS(name) enum name { name = -1
|
#endif
|
#endif
|
|
|
#define RELOC_NUMBER(name, number) , name = number
|
#define RELOC_NUMBER(name, number) , name = number
|
#define FAKE_RELOC(name, number) , name = number
|
#define FAKE_RELOC(name, number) , name = number
|
#define EMPTY_RELOC(name) , name
|
#define EMPTY_RELOC(name) , name
|
#define END_RELOC_NUMBERS };
|
#define END_RELOC_NUMBERS };
|
|
|
#endif
|
#endif
|
|
|
#endif /* RELOC_MACROS_H */
|
#endif /* RELOC_MACROS_H */
|
|
|
