1 /* NLM (NetWare Loadable Module) support for BFD. 2 Copyright (C) 1993 Free Software Foundation, Inc. 3 4 Written by Fred Fish @ Cygnus Support 5 6 This file is part of BFD, the Binary File Descriptor library. 7 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 2 of the License, or 11 (at your option) any later version. 12 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. 17 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ 21 22 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. */ 25 26 /* Semi-portable string concatenation in cpp. 27 The NLM_CAT4 hack is to avoid a problem with some strict ANSI C 28 preprocessors. The problem is, "32_" or "64_" are not a valid 29 preprocessing tokens, and we don't want extra underscores (e.g., 30 "nlm_32_"). The XNLM_CAT2 macro will cause the inner NLM_CAT macros 31 to be evaluated first, producing still-valid pp-tokens. Then the 32 final concatenation can be done. (Sigh.) */ 33 34 #ifdef SABER 35 # define NLM_CAT(a,b) a##b 36 # define NLM_CAT3(a,b,c) a##b##c 37 # define NLM_CAT4(a,b,c,d) a##b##c##d 38 #else 39 # ifdef __STDC__ 40 # define NLM_CAT(a,b) a##b 41 # define NLM_CAT3(a,b,c) a##b##c 42 # define XNLM_CAT2(a,b) NLM_CAT(a,b) 43 # define NLM_CAT4(a,b,c,d) XNLM_CAT2(NLM_CAT(a,b),NLM_CAT(c,d)) 44 # else 45 # define NLM_CAT(a,b) a/**/b 46 # define NLM_CAT3(a,b,c) a/**/b/**/c 47 # define NLM_CAT4(a,b,c,d) a/**/b/**/c/**/d 48 # endif 49 #endif 50 51 /* If NLM_ARCH_SIZE is not defined, default to 32. NLM_ARCH_SIZE is 52 optionally defined by the application. */ 53 54 #ifndef NLM_ARCH_SIZE 55 # define NLM_ARCH_SIZE 32 56 #endif 57 58 #if NLM_ARCH_SIZE == 32 59 # define NLM_TARGET_LONG_SIZE 4 60 # define NLM_TARGET_ADDRESS_SIZE 4 61 # define NLM_NAME(x,y) NLM_CAT4(x,32,_,y) 62 # define NLM_HIBIT (((bfd_vma) 1) << 31) 63 #endif 64 #if NLM_ARCH_SIZE == 64 65 # define NLM_TARGET_LONG_SIZE 8 66 # define NLM_TARGET_ADDRESS_SIZE 8 67 # define NLM_NAME(x,y) NLM_CAT4(x,64,_,y) 68 # define NLM_HIBIT (((bfd_vma) 1) << 63) 69 #endif 70 71 #define NlmNAME(X) NLM_NAME(Nlm,X) 72 #define nlmNAME(X) NLM_NAME(nlm,X) 73 74 /* Give names to things that should not change. */ 75 76 #define NLM_MAX_DESCRIPTION_LENGTH 127 77 #define NLM_MAX_SCREEN_NAME_LENGTH 71 78 #define NLM_MAX_THREAD_NAME_LENGTH 71 79 #define NLM_MAX_COPYRIGHT_MESSAGE_LENGTH 255 80 #define NLM_OTHER_DATA_LENGTH 400 /* FIXME */ 81 #define NLM_OLD_THREAD_NAME_LENGTH 5 82 #define NLM_SIGNATURE_SIZE 24 83 #define NLM_HEADER_VERSION 4 84 #define NLM_MODULE_NAME_SIZE 14 85 #define NLM_DEFAULT_STACKSIZE (8 * 1024) 86 87 /* Alpha information. This should probably be in a separate Alpha 88 header file, but it can't go in alpha-ext.h because some of it is 89 needed by nlmconv.c. */ 90 91 /* Magic number in Alpha prefix header. */ 92 #define NLM32_ALPHA_MAGIC (0x83561840) 93 94 /* The r_type field in an Alpha reloc is one of the following values. */ 95 #define ALPHA_R_IGNORE 0 96 #define ALPHA_R_REFLONG 1 97 #define ALPHA_R_REFQUAD 2 98 #define ALPHA_R_GPREL32 3 99 #define ALPHA_R_LITERAL 4 100 #define ALPHA_R_LITUSE 5 101 #define ALPHA_R_GPDISP 6 102 #define ALPHA_R_BRADDR 7 103 #define ALPHA_R_HINT 8 104 #define ALPHA_R_SREL16 9 105 #define ALPHA_R_SREL32 10 106 #define ALPHA_R_SREL64 11 107 #define ALPHA_R_OP_PUSH 12 108 #define ALPHA_R_OP_STORE 13 109 #define ALPHA_R_OP_PSUB 14 110 #define ALPHA_R_OP_PRSHIFT 15 111 #define ALPHA_R_GPVALUE 16 112 #define ALPHA_R_NW_RELOC 250 113 114 /* A local reloc, other than ALPHA_R_GPDISP or ALPHA_R_IGNORE, must be 115 against one of these symbol indices. */ 116 #define ALPHA_RELOC_SECTION_TEXT 1 117 #define ALPHA_RELOC_SECTION_DATA 3 118 119 /* An ALPHA_R_NW_RELOC has one of these values in the size field. If 120 it is SETGP, the r_vaddr field holds the GP value to use. If it is 121 LITA, the r_vaddr field holds the address of the .lita section and 122 the r_symndx field holds the size of the .lita section. */ 123 #define ALPHA_R_NW_RELOC_SETGP 1 124 #define ALPHA_R_NW_RELOC_LITA 2 125