1 /* Register names and numbers for S/390 DWARF. 2 Copyright (C) 2006 Red Hat, Inc. 3 This file is part of Red Hat elfutils. 4 5 Red Hat elfutils is free software; you can redistribute it and/or modify 6 it under the terms of the GNU General Public License as published by the 7 Free Software Foundation; version 2 of the License. 8 9 Red Hat elfutils is distributed in the hope that it will be useful, but 10 WITHOUT ANY WARRANTY; without even the implied warranty of 11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 12 General Public License for more details. 13 14 You should have received a copy of the GNU General Public License along 15 with Red Hat elfutils; if not, write to the Free Software Foundation, 16 Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301 USA. 17 18 Red Hat elfutils is an included package of the Open Invention Network. 19 An included package of the Open Invention Network is a package for which 20 Open Invention Network licensees cross-license their patents. No patent 21 license is granted, either expressly or impliedly, by designation as an 22 included package. Should you wish to participate in the Open Invention 23 Network licensing program, please visit www.openinventionnetwork.com 24 <http://www.openinventionnetwork.com>. */ 25 26 #ifdef HAVE_CONFIG_H 27 # include <config.h> 28 #endif 29 30 #include <string.h> 31 #include <dwarf.h> 32 33 #define BACKEND s390_ 34 #include "libebl_CPU.h" 35 36 37 /* 38 zseries (64) 39 40 0-15 gpr0-gpr15 x 41 16-19 fpr[0246] 42 20-24 fpr[13578] 43 25-27 fpr1[024] 44 28 fpr9 45 29-31 fpr1[135] 46 32-47 cr0-cr15 x 47 48-63 ar0-ar15 x 48 64 psw_mask 49 65 psw_address 50 */ 51 52 53 ssize_t 54 s390_register_info (Ebl *ebl __attribute__ ((unused)), 55 int regno, char *name, size_t namelen, 56 const char **prefix, const char **setname, 57 int *bits, int *type) 58 { 59 if (name == NULL) 60 return 66; 61 62 if (regno < 0 || regno > 65 || namelen < 7) 63 return -1; 64 65 *prefix = "%"; 66 67 *bits = ebl->class == ELFCLASS64 ? 64 : 32; 68 *type = DW_ATE_unsigned; 69 if (regno < 16) 70 { 71 *setname = "integer"; 72 *type = DW_ATE_signed; 73 } 74 else if (regno < 32) 75 { 76 *setname = "FPU"; 77 *type = DW_ATE_float; 78 *bits = 64; 79 } 80 else if (regno < 48 || regno > 63) 81 *setname = "control"; 82 else 83 { 84 *setname = "access"; 85 *bits = 32; 86 } 87 88 switch (regno) 89 { 90 case 0 ... 9: 91 name[0] = 'r'; 92 name[1] = regno + '0'; 93 namelen = 2; 94 break; 95 96 case 10 ... 15: 97 name[0] = 'r'; 98 name[1] = '1'; 99 name[2] = regno - 10 + '0'; 100 namelen = 3; 101 break; 102 103 case 16 ... 31: 104 name[0] = 'f'; 105 regno = (regno & 8) | ((regno & 4) >> 2) | ((regno & 3) << 1); 106 namelen = 1; 107 if (regno >= 10) 108 { 109 regno -= 10; 110 name[namelen++] = '1'; 111 } 112 name[namelen++] = regno + '0'; 113 break; 114 115 case 32 + 0 ... 32 + 9: 116 case 48 + 0 ... 48 + 9: 117 name[0] = regno < 48 ? 'c' : 'a'; 118 name[1] = (regno & 15) + '0'; 119 namelen = 2; 120 break; 121 122 case 32 + 10 ... 32 + 15: 123 case 48 + 10 ... 48 + 15: 124 name[0] = regno < 48 ? 'c' : 'a'; 125 name[1] = '1'; 126 name[2] = (regno & 15) - 10 + '0'; 127 namelen = 3; 128 break; 129 130 case 64: 131 return stpcpy (name, "pswm") + 1 - name; 132 case 65: 133 *type = DW_ATE_address; 134 return stpcpy (name, "pswa") + 1 - name; 135 136 default: 137 *setname = NULL; 138 return 0; 139 } 140 141 name[namelen++] = '\0'; 142 return namelen; 143 } 144
