1 /* NLM (NetWare Loadable Module) support for BFD.
2 Copyright (C) 1993-2016 Free Software Foundation, Inc.
4 Written by Fred Fish @ Cygnus Support
6 This file is part of BFD, the Binary File Descriptor library.
8 This program is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 3 of the License, or
11 (at your option) any later version.
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with this program; if not, write to the Free Software
20 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
21 MA 02110-1301, USA. */
23 /* This file is part of NLM support for BFD, and contains the portions
24 that are common to both the internal and external representations. */
26 /* If NLM_ARCH_SIZE is not defined, default to 32. NLM_ARCH_SIZE is
27 optionally defined by the application. */
30 # define NLM_ARCH_SIZE 32
33 /* Due to horrible details of ANSI macro expansion, we can't use CONCAT4
34 for NLM_NAME. CONCAT2 is used in BFD_JUMP_TABLE macros, and some of
35 them will expand to tokens that themselves are macros defined in terms
36 of NLM_NAME. If NLM_NAME were defined using CONCAT4 (which is itself
37 defined in bfd-in.h using CONCAT2), ANSI preprocessor rules say that
38 the CONCAT2 within NLM_NAME should not be expanded.
39 So use another name. */
40 #if defined (__STDC__) || defined (ALMOST_STDC) || defined (HAVE_STRINGIZE)
42 #define NLM_CAT4(a,b,c,d) a##b##c##d
44 /* This hack is to avoid a problem with some strict ANSI C preprocessors.
45 The problem is, "32_" is not a valid preprocessing token, and we don't
46 want extra underscores (e.g., "nlm_32_"). The NLM_XCAT2 macro will
47 cause the inner CAT2 macros to be evaluated first, producing
48 still-valid pp-tokens. Then the final concatenation can be done. */
49 #define NLM_CAT2(a,b) a##b
50 #define NLM_XCAT2(a,b) NLM_CAT2(a,b)
51 #define NLM_CAT4(a,b,c,d) NLM_XCAT2(NLM_CAT2(a,b),NLM_CAT2(c,d))
54 #define NLM_CAT4(a,b,c,d) a/**/b/**/c/**/d
57 #if NLM_ARCH_SIZE == 32
58 # define NLM_TARGET_LONG_SIZE 4
59 # define NLM_TARGET_ADDRESS_SIZE 4
60 # define NLM_NAME(x,y) NLM_CAT4(x,32,_,y)
61 # define NLM_HIBIT (((bfd_vma) 1) << 31)
63 #if NLM_ARCH_SIZE == 64
64 # define NLM_TARGET_LONG_SIZE 8
65 # define NLM_TARGET_ADDRESS_SIZE 8
66 # define NLM_NAME(x,y) NLM_CAT4(x,64,_,y)
67 # define NLM_HIBIT (((bfd_vma) 1) << 63)
70 #define NlmNAME(X) NLM_NAME(Nlm,X)
71 #define nlmNAME(X) NLM_NAME(nlm,X)
73 /* Give names to things that should not change. */
75 #define NLM_MAX_DESCRIPTION_LENGTH 127
76 #define NLM_MAX_SCREEN_NAME_LENGTH 71
77 #define NLM_MAX_THREAD_NAME_LENGTH 71
78 #define NLM_MAX_COPYRIGHT_MESSAGE_LENGTH 255
79 #define NLM_OTHER_DATA_LENGTH 400 /* FIXME */
80 #define NLM_OLD_THREAD_NAME_LENGTH 5
81 #define NLM_SIGNATURE_SIZE 24
82 #define NLM_HEADER_VERSION 4
83 #define NLM_MODULE_NAME_SIZE 14
84 #define NLM_DEFAULT_STACKSIZE (8 * 1024)
86 /* Alpha information. This should probably be in a separate Alpha
87 header file, but it can't go in alpha-ext.h because some of it is
88 needed by nlmconv.c. */
90 /* Magic number in Alpha prefix header. */
91 #define NLM32_ALPHA_MAGIC (0x83561840)
93 /* The r_type field in an Alpha reloc is one of the following values. */
94 #define ALPHA_R_IGNORE 0
95 #define ALPHA_R_REFLONG 1
96 #define ALPHA_R_REFQUAD 2
97 #define ALPHA_R_GPREL32 3
98 #define ALPHA_R_LITERAL 4
99 #define ALPHA_R_LITUSE 5
100 #define ALPHA_R_GPDISP 6
101 #define ALPHA_R_BRADDR 7
102 #define ALPHA_R_HINT 8
103 #define ALPHA_R_SREL16 9
104 #define ALPHA_R_SREL32 10
105 #define ALPHA_R_SREL64 11
106 #define ALPHA_R_OP_PUSH 12
107 #define ALPHA_R_OP_STORE 13
108 #define ALPHA_R_OP_PSUB 14
109 #define ALPHA_R_OP_PRSHIFT 15
110 #define ALPHA_R_GPVALUE 16
111 #define ALPHA_R_NW_RELOC 250
113 /* A local reloc, other than ALPHA_R_GPDISP or ALPHA_R_IGNORE, must be
114 against one of these symbol indices. */
115 #define ALPHA_RELOC_SECTION_TEXT 1
116 #define ALPHA_RELOC_SECTION_DATA 3
118 /* An ALPHA_R_NW_RELOC has one of these values in the size field. If
119 it is SETGP, the r_vaddr field holds the GP value to use. If it is
120 LITA, the r_vaddr field holds the address of the .lita section and
121 the r_symndx field holds the size of the .lita section. */
122 #define ALPHA_R_NW_RELOC_SETGP 1
123 #define ALPHA_R_NW_RELOC_LITA 2
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