1 /* NLM (NetWare Loadable Module) support for BFD. 2 Copyright 1993, 2001 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 /* If NLM_ARCH_SIZE is not defined, default to 32. NLM_ARCH_SIZE is 27 optionally defined by the application. */ 28 29 #ifndef NLM_ARCH_SIZE 30 # define NLM_ARCH_SIZE 32 31 #endif 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) 41 #ifdef SABER 42 #define NLM_CAT4(a,b,c,d) a##b##c##d 43 #else 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)) 52 #endif 53 #else 54 #define NLM_CAT4(a,b,c,d) a/**/b/**/c/**/d 55 #endif 56 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) 62 #endif 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) 68 #endif 69 70 #define NlmNAME(X) NLM_NAME(Nlm,X) 71 #define nlmNAME(X) NLM_NAME(nlm,X) 72 73 /* Give names to things that should not change. */ 74 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) 85 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. */ 89 90 /* Magic number in Alpha prefix header. */ 91 #define NLM32_ALPHA_MAGIC (0x83561840) 92 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 250 112 113 /* 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 3 117 118 /* 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 2 124