diff options
Diffstat (limited to 'elfutils/backends/arm_regs.c')
-rw-r--r-- | elfutils/backends/arm_regs.c | 117 |
1 files changed, 117 insertions, 0 deletions
diff --git a/elfutils/backends/arm_regs.c b/elfutils/backends/arm_regs.c new file mode 100644 index 00000000..0a9536d4 --- /dev/null +++ b/elfutils/backends/arm_regs.c @@ -0,0 +1,117 @@ +/* Register names and numbers for ARM DWARF. + Copyright (C) 2009 Red Hat, Inc. + This file is part of Red Hat elfutils. + + Red Hat elfutils is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by the + Free Software Foundation; version 2 of the License. + + Red Hat elfutils is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + General Public License for more details. + + You should have received a copy of the GNU General Public License along + with Red Hat elfutils; if not, write to the Free Software Foundation, + Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301 USA. + + Red Hat elfutils is an included package of the Open Invention Network. + An included package of the Open Invention Network is a package for which + Open Invention Network licensees cross-license their patents. No patent + license is granted, either expressly or impliedly, by designation as an + included package. Should you wish to participate in the Open Invention + Network licensing program, please visit www.openinventionnetwork.com + <http://www.openinventionnetwork.com>. */ + +#ifdef HAVE_CONFIG_H +# include <config.h> +#endif + +#include <string.h> +#include <dwarf.h> + +#define BACKEND arm_ +#include "libebl_CPU.h" + +ssize_t +arm_register_info (Ebl *ebl __attribute__ ((unused)), + int regno, char *name, size_t namelen, + const char **prefix, const char **setname, + int *bits, int *type) +{ + if (name == NULL) + return 320; + + if (regno < 0 || regno > 320 || namelen < 5) + return -1; + + *prefix = NULL; + *bits = 32; + *type = DW_ATE_signed; + *setname = "integer"; + + switch (regno) + { + case 0 ... 9: + name[0] = 'r'; + name[1] = regno + '0'; + namelen = 2; + break; + + case 10 ... 12: + name[0] = 'r'; + name[1] = '1'; + name[2] = regno % 10 + '0'; + namelen = 3; + break; + + case 13 ... 15: + *type = DW_ATE_address; + name[0] = "slp"[regno - 13]; + name[1] = "prc"[regno - 13]; + namelen = 2; + break; + + case 16 + 0 ... 16 + 7: + regno += 96 - 16; + /* Fall through. */ + case 96 + 0 ... 96 + 7: + *setname = "FPA"; + *type = DW_ATE_float; + *bits = 96; + name[0] = 'f'; + name[1] = regno - 96 + '0'; + namelen = 2; + break; + + case 128: + *type = DW_ATE_unsigned; + return stpcpy (name, "spsr") + 1 - name; + + case 256 + 0 ... 256 + 9: + *setname = "VFP"; + *type = DW_ATE_float; + *bits = 64; + name[0] = 'd'; + name[1] = regno - 256 + '0'; + namelen = 2; + break; + + case 256 + 10 ... 256 + 31: + *setname = "VFP"; + *type = DW_ATE_float; + *bits = 64; + name[0] = 'd'; + name[1] = (regno - 256) / 10 + '0'; + name[2] = (regno - 256) % 10 + '0'; + namelen = 3; + break; + + default: + *setname = NULL; + return 0; + } + + name[namelen++] = '\0'; + return namelen; +} |