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121 lines
2.8 KiB
121 lines
2.8 KiB
4 months ago
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/* Register names and numbers for ARM DWARF.
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Copyright (C) 2009 Red Hat, Inc.
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This file is part of elfutils.
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This file is free software; you can redistribute it and/or modify
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it under the terms of either
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* the GNU Lesser General Public License as published by the Free
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Software Foundation; either version 3 of the License, or (at
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your option) any later version
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or
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* the GNU General Public License as published by the Free
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Software Foundation; either version 2 of the License, or (at
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your option) any later version
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or both in parallel, as here.
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elfutils is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received copies of the GNU General Public License and
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the GNU Lesser General Public License along with this program. If
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not, see <http://www.gnu.org/licenses/>. */
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#ifdef HAVE_CONFIG_H
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# include <config.h>
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#endif
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#include <string.h>
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#include <dwarf.h>
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#define BACKEND arm_
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#include "libebl_CPU.h"
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ssize_t
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arm_register_info (Ebl *ebl __attribute__ ((unused)),
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int regno, char *name, size_t namelen,
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const char **prefix, const char **setname,
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int *bits, int *type)
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{
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if (name == NULL)
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return 320;
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if (regno < 0 || regno > 320 || namelen < 5)
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return -1;
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*prefix = "";
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*bits = 32;
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*type = DW_ATE_signed;
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*setname = "integer";
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switch (regno)
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{
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case 0 ... 9:
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name[0] = 'r';
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name[1] = regno + '0';
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namelen = 2;
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break;
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case 10 ... 12:
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name[0] = 'r';
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name[1] = '1';
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name[2] = regno % 10 + '0';
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namelen = 3;
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break;
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case 13 ... 15:
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*type = DW_ATE_address;
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name[0] = "slp"[regno - 13];
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name[1] = "prc"[regno - 13];
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namelen = 2;
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break;
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case 16 + 0 ... 16 + 7:
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regno += 96 - 16;
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FALLTHROUGH;
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case 96 + 0 ... 96 + 7:
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*setname = "FPA";
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*type = DW_ATE_float;
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*bits = 96;
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name[0] = 'f';
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name[1] = regno - 96 + '0';
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namelen = 2;
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break;
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case 128:
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*type = DW_ATE_unsigned;
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return stpcpy (name, "spsr") + 1 - name;
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case 256 + 0 ... 256 + 9:
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*setname = "VFP";
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*type = DW_ATE_float;
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*bits = 64;
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name[0] = 'd';
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name[1] = regno - 256 + '0';
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namelen = 2;
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break;
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case 256 + 10 ... 256 + 31:
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*setname = "VFP";
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*type = DW_ATE_float;
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*bits = 64;
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name[0] = 'd';
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name[1] = (regno - 256) / 10 + '0';
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name[2] = (regno - 256) % 10 + '0';
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namelen = 3;
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break;
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default:
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*setname = NULL;
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return 0;
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}
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name[namelen++] = '\0';
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return namelen;
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}
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