diff options
| -rw-r--r-- | backends/ChangeLog | 6 | ||||
| -rw-r--r-- | backends/Makefile.am | 4 | ||||
| -rw-r--r-- | backends/alpha_init.c | 3 | ||||
| -rw-r--r-- | backends/alpha_regs.c | 165 |
4 files changed, 175 insertions, 3 deletions
diff --git a/backends/ChangeLog b/backends/ChangeLog index 646e8110..9bbd6bf9 100644 --- a/backends/ChangeLog +++ b/backends/ChangeLog @@ -1,3 +1,9 @@ +2007-04-26 Roland McGrath <roland@redhat.com> + + * alpha_regs.c: New file. + * Makefile.am (alpha_SRCS): Add it. + * alpha_init.c (alpha_init): Initialize register_info hook. + 2007-04-22 Roland McGrath <roland@redhat.com> * ppc_regs.c (ppc_register_info): Use some names instead of sprNNN: diff --git a/backends/Makefile.am b/backends/Makefile.am index 8af59139..f7e1525d 100644 --- a/backends/Makefile.am +++ b/backends/Makefile.am @@ -1,6 +1,6 @@ ## Process this file with automake to create Makefile.in ## -## Copyright (C) 2000, 2001, 2002, 2003, 2004, 2005, 2006 Red Hat, Inc. +## Copyright (C) 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007 Red Hat, Inc. ## This file is part of Red Hat elfutils. ## ## Red Hat elfutils is free software; you can redistribute it and/or modify @@ -87,7 +87,7 @@ ia64_SRCS = ia64_init.c ia64_symbol.c ia64_regs.c ia64_retval.c libebl_ia64_pic_a_SOURCES = $(ia64_SRCS) am_libebl_ia64_pic_a_OBJECTS = $(ia64_SRCS:.c=.os) -alpha_SRCS = alpha_init.c alpha_symbol.c alpha_retval.c +alpha_SRCS = alpha_init.c alpha_symbol.c alpha_retval.c alpha_regs.c libebl_alpha_pic_a_SOURCES = $(alpha_SRCS) am_libebl_alpha_pic_a_OBJECTS = $(alpha_SRCS:.c=.os) diff --git a/backends/alpha_init.c b/backends/alpha_init.c index 1590fc88..3570af70 100644 --- a/backends/alpha_init.c +++ b/backends/alpha_init.c @@ -1,5 +1,5 @@ /* Initialization of Alpha specific backend library. - Copyright (C) 2002, 2005, 2006 Red Hat, Inc. + Copyright (C) 2002, 2005, 2006, 2007 Red Hat, Inc. This file is part of Red Hat elfutils. Written by Ulrich Drepper <drepper@redhat.com>, 2002. @@ -54,6 +54,7 @@ alpha_init (elf, machine, eh, ehlen) HOOK (eh, dynamic_tag_check); HOOK (eh, reloc_simple_type); HOOK (eh, return_value_location); + HOOK (eh, register_info); eh->sysvhash_entrysize = sizeof (Elf64_Xword); return MODVERSION; diff --git a/backends/alpha_regs.c b/backends/alpha_regs.c new file mode 100644 index 00000000..2bc7d8fe --- /dev/null +++ b/backends/alpha_regs.c @@ -0,0 +1,165 @@ +/* Register names and numbers for Alpha DWARF. + Copyright (C) 2007 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 alpha_ +#include "libebl_CPU.h" + +ssize_t +alpha_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 67; + + if (regno < 0 || regno > 66 || namelen < 7) + return -1; + + *prefix = "$"; + + *bits = 64; + *type = DW_ATE_signed; + *setname = "integer"; + if (regno >= 32 && regno < 64) + { + *setname = "FPU"; + *type = DW_ATE_float; + } + + switch (regno) + { + case 0: + name[0] = 'v'; + name[1] = '0'; + namelen = 2; + break; + + case 1 ... 8: + name[0] = 't'; + name[1] = regno - 1 + '0'; + namelen = 2; + break; + + case 9 ... 14: + name[0] = 's'; + name[1] = regno - 9 + '0'; + namelen = 2; + break; + + case 15: + *type = DW_ATE_address; + return stpcpy (name, "fp") + 1 - name; + + case 16 ... 21: + name[0] = 'a'; + name[1] = regno - 16 + '0'; + namelen = 2; + break; + + case 22 ... 23: + name[0] = 't'; + name[1] = regno - 22 + '8'; + namelen = 2; + break; + + case 24 ... 25: + name[0] = 't'; + name[1] = '1'; + name[2] = regno - 24 + '0'; + namelen = 3; + break; + + case 26: + *type = DW_ATE_address; + return stpcpy (name, "ra") + 1 - name; + + case 27: + return stpcpy (name, "t12") + 1 - name; + + case 28: + return stpcpy (name, "at") + 1 - name; + + case 29: + *type = DW_ATE_address; + return stpcpy (name, "gp") + 1 - name; + + case 30: + *type = DW_ATE_address; + return stpcpy (name, "sp") + 1 - name; + + case 31: + return stpcpy (name, "zero") + 1 - name; + + case 32 ... 32 + 9: + name[0] = 'f'; + name[1] = regno - 32 + '0'; + namelen = 2; + break; + + case 32 + 10 ... 32 + 19: + name[0] = 'f'; + name[1] = '1'; + name[2] = regno - 32 - 10 + '0'; + namelen = 3; + break; + + case 32 + 20 ... 32 + 29: + name[0] = 'f'; + name[1] = '2'; + name[2] = regno - 32 - 20 + '0'; + namelen = 3; + break; + + case 32 + 30: + return stpcpy (name, "f30") + 1 - name; + + case 32 + 31: + *type = DW_ATE_unsigned; + return stpcpy (name, "fpcr") + 1 - name; + + case 64: + *type = DW_ATE_address; + return stpcpy (name, "pc") + 1 - name; + + case 66: + *type = DW_ATE_address; + return stpcpy (name, "unique") + 1 - name; + + default: + *setname = NULL; + return 0; + } + + name[namelen++] = '\0'; + return namelen; +} |