1cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng/* Register names and numbers for i386 DWARF. 2cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng Copyright (C) 2005, 2006, 2007 Red Hat, Inc. 3cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng This file is part of Red Hat elfutils. 4cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng 5cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng Red Hat elfutils is free software; you can redistribute it and/or modify 6cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng it under the terms of the GNU General Public License as published by the 7cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng Free Software Foundation; version 2 of the License. 8cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng 9cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng Red Hat elfutils is distributed in the hope that it will be useful, but 10cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng WITHOUT ANY WARRANTY; without even the implied warranty of 11cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 12cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng General Public License for more details. 13cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng 14cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng You should have received a copy of the GNU General Public License along 15cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng with Red Hat elfutils; if not, write to the Free Software Foundation, 16cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301 USA. 17cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng 18cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng Red Hat elfutils is an included package of the Open Invention Network. 19cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng An included package of the Open Invention Network is a package for which 20cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng Open Invention Network licensees cross-license their patents. No patent 21cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng license is granted, either expressly or impliedly, by designation as an 22cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng included package. Should you wish to participate in the Open Invention 23cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng Network licensing program, please visit www.openinventionnetwork.com 24cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng <http://www.openinventionnetwork.com>. */ 25cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng 26cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng#ifdef HAVE_CONFIG_H 27cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng# include <config.h> 28cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng#endif 29cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng 30cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng#include <string.h> 31cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng#include <dwarf.h> 32cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng 33cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng#define BACKEND i386_ 34cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng#include "libebl_CPU.h" 35cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng 36cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Chengssize_t 37cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Chengi386_register_info (Ebl *ebl __attribute__ ((unused)), 38cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng int regno, char *name, size_t namelen, 39cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng const char **prefix, const char **setname, 40cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng int *bits, int *type) 41cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng{ 42cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng if (name == NULL) 43cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng return 46; 44cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng 45cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng if (regno < 0 || regno > 45 || namelen < 6) 46cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng return -1; 47cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng 48cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng *prefix = "%"; 49cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng *bits = 32; 50cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng *type = DW_ATE_unsigned; 51cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng if (regno < 11) 52cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng { 53cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng *setname = "integer"; 54cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng if (regno < 9) 55cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng *type = DW_ATE_signed; 56cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng } 57cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng else if (regno < 19) 58cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng { 59cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng *setname = "x87"; 60cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng *type = DW_ATE_float; 61cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng *bits = 80; 62cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng } 63cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng else if (regno < 29) 64cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng { 65cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng *setname = "SSE"; 66cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng *bits = 128; 67cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng } 68cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng else if (regno < 37) 69cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng { 70cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng *setname = "MMX"; 71cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng *bits = 64; 72cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng } 73cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng else if (regno < 40) 74cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng *setname = "FPU-control"; 75cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng else 76cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng { 77cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng *setname = "segment"; 78cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng *bits = 16; 79cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng } 80cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng 81cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng switch (regno) 82cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng { 83cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng static const char baseregs[][2] = 84cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng { 85cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng "ax", "cx", "dx", "bx", "sp", "bp", "si", "di", "ip" 86cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng }; 87cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng 88cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng case 4: 89cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng case 5: 90cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng case 8: 91cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng *type = DW_ATE_address; 92cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng case 0 ... 3: 93cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng case 6 ... 7: 94cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng name[0] = 'e'; 95cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng name[1] = baseregs[regno][0]; 96cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng name[2] = baseregs[regno][1]; 97cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng namelen = 3; 98cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng break; 99cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng 100cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng case 9: 101cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng return stpcpy (name, "eflags") + 1 - name; 102cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng case 10: 103cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng return stpcpy (name, "trapno") + 1 - name; 104cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng 105cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng case 11 ... 18: 106cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng name[0] = 's'; 107cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng name[1] = 't'; 108cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng name[2] = regno - 11 + '0'; 109cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng namelen = 3; 110cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng break; 111cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng 112cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng case 21 ... 28: 113cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng name[0] = 'x'; 114cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng name[1] = 'm'; 115cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng name[2] = 'm'; 116cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng name[3] = regno - 21 + '0'; 117cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng namelen = 4; 118cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng break; 119cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng 120cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng case 29 ... 36: 121cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng name[0] = 'm'; 122cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng name[1] = 'm'; 123cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng name[2] = regno - 29 + '0'; 124cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng namelen = 3; 125cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng break; 126cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng 127cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng case 37: 128cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng *bits = 16; 129cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng return stpcpy (name, "fctrl") + 1 - name; 130cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng case 38: 131cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng *bits = 16; 132cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng return stpcpy (name, "fstat") + 1 - name; 133cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng case 39: 134cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng return stpcpy (name, "mxcsr") + 1 - name; 135cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng 136cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng case 40 ... 45: 137cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng name[0] = "ecsdfg"[regno - 40]; 138cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng name[1] = 's'; 139cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng namelen = 2; 140cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng break; 141cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng 142cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng default: 143cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng *setname = NULL; 144cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng return 0; 145cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng } 146cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng 147cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng name[namelen++] = '\0'; 148cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng return namelen; 149cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng} 150