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/* NLM (NetWare Loadable Module) support for BFD.

   Copyright 1993, 2001 Free Software Foundation, Inc.

   Written by Fred Fish @ Cygnus Support

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 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., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.  */

/* This file is part of NLM support for BFD, and contains the portions

   that are common to both the internal and external representations. */

/* If NLM_ARCH_SIZE is not defined, default to 32.  NLM_ARCH_SIZE is

   optionally defined by the application. */

#ifndef NLM_ARCH_SIZE

#  define NLM_ARCH_SIZE                 32

#endif

/* Due to horrible details of ANSI macro expansion, we can't use CONCAT4

   for NLM_NAME.  CONCAT2 is used in BFD_JUMP_TABLE macros, and some of

   them will expand to tokens that themselves are macros defined in terms

   of NLM_NAME.  If NLM_NAME were defined using CONCAT4 (which is itself

   defined in bfd-in.h using CONCAT2), ANSI preprocessor rules say that

   the CONCAT2 within NLM_NAME should not be expanded.

   So use another name.  */

#if defined (__STDC__) || defined (ALMOST_STDC) || defined (HAVE_STRINGIZE)

#ifdef SABER

#define NLM_CAT4(a,b,c,d) a##b##c##d

#else

/* This hack is to avoid a problem with some strict ANSI C preprocessors.

   The problem is, "32_" is not a valid preprocessing token, and we don't

   want extra underscores (e.g., "nlm_32_").  The NLM_XCAT2 macro will

   cause the inner CAT2 macros to be evaluated first, producing

   still-valid pp-tokens.  Then the final concatenation can be done.  */

#define NLM_CAT2(a,b)     a##b

#define NLM_XCAT2(a,b)    NLM_CAT2(a,b)

#define NLM_CAT4(a,b,c,d) NLM_XCAT2(NLM_CAT2(a,b),NLM_CAT2(c,d))

#endif

#else

#define NLM_CAT4(a,b,c,d) a/**/b/**/c/**/d

#endif

#if NLM_ARCH_SIZE == 32

#  define NLM_TARGET_LONG_SIZE          4

#  define NLM_TARGET_ADDRESS_SIZE       4

#  define NLM_NAME(x,y)                 NLM_CAT4(x,32,_,y)

#  define NLM_HIBIT                     (((bfd_vma) 1) << 31)

#endif

#if NLM_ARCH_SIZE == 64

#  define NLM_TARGET_LONG_SIZE          8

#  define NLM_TARGET_ADDRESS_SIZE       8

#  define NLM_NAME(x,y)                 NLM_CAT4(x,64,_,y)

#  define NLM_HIBIT                     (((bfd_vma) 1) << 63)

#endif

#define NlmNAME(X)              NLM_NAME(Nlm,X)

#define nlmNAME(X)              NLM_NAME(nlm,X)

/* Give names to things that should not change. */

#define NLM_MAX_DESCRIPTION_LENGTH              127

#define NLM_MAX_SCREEN_NAME_LENGTH              71

#define NLM_MAX_THREAD_NAME_LENGTH              71

#define NLM_MAX_COPYRIGHT_MESSAGE_LENGTH        255

#define NLM_OTHER_DATA_LENGTH                   400             /* FIXME */

#define NLM_OLD_THREAD_NAME_LENGTH              5

#define NLM_SIGNATURE_SIZE                      24

#define NLM_HEADER_VERSION                      4

#define NLM_MODULE_NAME_SIZE                    14

#define NLM_DEFAULT_STACKSIZE                   (8 * 1024)

/* Alpha information.  This should probably be in a separate Alpha

   header file, but it can't go in alpha-ext.h because some of it is

   needed by nlmconv.c.  */

/* Magic number in Alpha prefix header.  */

#define NLM32_ALPHA_MAGIC (0x83561840)

/* The r_type field in an Alpha reloc is one of the following values.  */

#define ALPHA_R_IGNORE          0

#define ALPHA_R_REFLONG         1

#define ALPHA_R_REFQUAD         2

#define ALPHA_R_GPREL32         3

#define ALPHA_R_LITERAL         4

#define ALPHA_R_LITUSE          5

#define ALPHA_R_GPDISP          6

#define ALPHA_R_BRADDR          7

#define ALPHA_R_HINT            8

#define ALPHA_R_SREL16          9

#define ALPHA_R_SREL32         10

#define ALPHA_R_SREL64         11

#define ALPHA_R_OP_PUSH        12

#define ALPHA_R_OP_STORE       13

#define ALPHA_R_OP_PSUB        14

#define ALPHA_R_OP_PRSHIFT     15

#define ALPHA_R_GPVALUE        16

#define ALPHA_R_NW_RELOC      250

/* A local reloc, other than ALPHA_R_GPDISP or ALPHA_R_IGNORE, must be

   against one of these symbol indices.  */

#define ALPHA_RELOC_SECTION_TEXT        1

#define ALPHA_RELOC_SECTION_DATA        3

/* An ALPHA_R_NW_RELOC has one of these values in the size field.  If

   it is SETGP, the r_vaddr field holds the GP value to use.  If it is

   LITA, the r_vaddr field holds the address of the .lita section and

   the r_symndx field holds the size of the .lita section.  */

#define ALPHA_R_NW_RELOC_SETGP  1

#define ALPHA_R_NW_RELOC_LITA   2