diff options
Diffstat (limited to 'backends/sh_regs.c')
-rw-r--r-- | backends/sh_regs.c | 188 |
1 files changed, 188 insertions, 0 deletions
diff --git a/backends/sh_regs.c b/backends/sh_regs.c new file mode 100644 index 0000000..fc6705e --- /dev/null +++ b/backends/sh_regs.c @@ -0,0 +1,188 @@ +/* Register names and numbers for SH DWARF. + Copyright (C) 2010 Red Hat, Inc. + This file is part of Red Hat elfutils. + Contributed by Matt Fleming <matt@console-pimps.org>. + + 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 <assert.h> +#include <dwarf.h> +#include <string.h> + +#define BACKEND sh_ +#include "libebl_CPU.h" + +ssize_t +sh_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 104; + + if (regno < 0 || regno > 103 || namelen < 6) + return -1; + + *prefix = NULL; + *bits = 32; + *type = DW_ATE_signed; + + switch (regno) + { + case 0 ... 9: + *setname = "integer"; + name[0] = 'r'; + name[1] = regno + '0'; + namelen = 2; + break; + + case 10 ... 15: + *setname = "integer"; + name[0] = 'r'; + name[1] = '1'; + name[2] = regno - 10 + '0'; + namelen = 3; + break; + + case 16: + *setname = "system"; + *type = DW_ATE_address; + name[0] = 'p'; + name[1] = 'c'; + namelen = 2; + break; + + case 17: + *setname = "system"; + *type = DW_ATE_address; + name[0] = 'p'; + name[1] = 'r'; + namelen = 2; + break; + + case 18: + *setname = "control"; + *type = DW_ATE_unsigned; + name[0] = 's'; + name[1] = 'r'; + namelen = 2; + break; + + case 19: + *setname = "control"; + *type = DW_ATE_unsigned; + name[0] = 'g'; + name[1] = 'b'; + name[2] = 'r'; + namelen = 3; + break; + + case 20: + *setname = "system"; + name[0] = 'm'; + name[1] = 'a'; + name[2] = 'c'; + name[3] = 'h'; + namelen = 4; + break; + + case 21: + *setname = "system"; + name[0] = 'm'; + name[1] = 'a'; + name[2] = 'c'; + name[3] = 'l'; + namelen = 4; + + break; + + case 23: + *setname = "system"; + *type = DW_ATE_unsigned; + name[0] = 'f'; + name[1] = 'p'; + name[2] = 'u'; + name[3] = 'l'; + namelen = 4; + break; + + case 24: + *setname = "system"; + *type = DW_ATE_unsigned; + name[0] = 'f'; + name[1] = 'p'; + name[2] = 's'; + name[3] = 'c'; + name[4] = 'r'; + namelen = 5; + break; + + case 25 ... 34: + *setname = "fpu"; + *type = DW_ATE_float; + name[0] = 'f'; + name[1] = 'r'; + name[2] = regno - 25 + '0'; + namelen = 3; + break; + + case 35 ... 40: + *setname = "fpu"; + *type = DW_ATE_float; + name[0] = 'f'; + name[1] = 'r'; + name[2] = '1'; + name[3] = regno - 35 + '0'; + namelen = 4; + break; + + case 87 ... 96: + *type = DW_ATE_float; + *setname = "fpu"; + name[0] = 'x'; + name[1] = 'f'; + name[2] = regno - 87 + '0'; + namelen = 3; + break; + + case 97 ... 103: + *type = DW_ATE_float; + *setname = "fpu"; + name[0] = 'x'; + name[1] = 'f'; + name[2] = '1'; + name[3] = regno - 97 + '0'; + namelen = 4; + break; + + default: + return 0; + } + + name[namelen++] = '\0'; + return namelen; +} |