diff options
Diffstat (limited to 'binutils-2.25/bfd/cpu-h8300.c')
| -rw-r--r-- | binutils-2.25/bfd/cpu-h8300.c | 269 |
1 files changed, 269 insertions, 0 deletions
diff --git a/binutils-2.25/bfd/cpu-h8300.c b/binutils-2.25/bfd/cpu-h8300.c new file mode 100644 index 00000000..5f338566 --- /dev/null +++ b/binutils-2.25/bfd/cpu-h8300.c @@ -0,0 +1,269 @@ +/* BFD library support routines for the Renesas H8/300 architecture. + Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1996, 2000, 2001, 2002, + 2003, 2004, 2005, 2007 Free Software Foundation, Inc. + Hacked by Steve Chamberlain of Cygnus Support. + + This file is part of BFD, the Binary File Descriptor library. + + This program 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; either version 3 of the License, or + (at your option) any later version. + + This program 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 this program; if not, write to the Free Software + Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, + MA 02110-1301, USA. */ + +#include "sysdep.h" +#include "bfd.h" +#include "libbfd.h" + +static bfd_boolean +h8300_scan (const struct bfd_arch_info *info, const char *string) +{ + if (*string != 'h' && *string != 'H') + return FALSE; + + string++; + if (*string != '8') + return FALSE; + + string++; + if (*string == '/') + string++; + + if (*string != '3') + return FALSE; + string++; + if (*string != '0') + return FALSE; + string++; + if (*string != '0') + return FALSE; + string++; + if (*string == '-') + string++; + + /* In ELF linker scripts, we typically express the architecture/machine + as architecture:machine. + + So if we've matched so far and encounter a colon, try to match the + string following the colon. */ + if (*string == ':') + { + string++; + return h8300_scan (info, string); + } + + if (*string == 'h' || *string == 'H') + { + string++; + if (*string == 'n' || *string == 'N') + return (info->mach == bfd_mach_h8300hn); + + return (info->mach == bfd_mach_h8300h); + } + else if (*string == 's' || *string == 'S') + { + string++; + if (*string == 'n' || *string == 'N') + return (info->mach == bfd_mach_h8300sn); + + if (*string == 'x' || *string == 'X') + { + string++; + if (*string == 'n' || *string == 'N') + return (info->mach == bfd_mach_h8300sxn); + + return (info->mach == bfd_mach_h8300sx); + } + + return (info->mach == bfd_mach_h8300s); + } + else + return info->mach == bfd_mach_h8300; +} + +/* This routine is provided two arch_infos and works out the machine + which would be compatible with both and returns a pointer to its + info structure. */ + +static const bfd_arch_info_type * +compatible (const bfd_arch_info_type *in, const bfd_arch_info_type *out) +{ + if (in->arch != out->arch) + return 0; + if (in->mach == bfd_mach_h8300sx && out->mach == bfd_mach_h8300s) + return in; + if (in->mach == bfd_mach_h8300s && out->mach == bfd_mach_h8300sx) + return out; + if (in->mach == bfd_mach_h8300sxn && out->mach == bfd_mach_h8300sn) + return in; + if (in->mach == bfd_mach_h8300sn && out->mach == bfd_mach_h8300sxn) + return out; + /* It's really not a good idea to mix and match modes. */ + if (in->mach != out->mach) + return 0; + else + return in; +} + +static const bfd_arch_info_type h8300sxn_info_struct = +{ + 32, /* 32 bits in a word */ + 16, /* 16 bits in an address */ + 8, /* 8 bits in a byte */ + bfd_arch_h8300, + bfd_mach_h8300sxn, + "h8300sxn", /* arch_name */ + "h8300sxn", /* printable name */ + 1, + FALSE, /* the default machine */ + compatible, + h8300_scan, + bfd_arch_default_fill, + 0 +}; + +static const bfd_arch_info_type h8300sx_info_struct = +{ + 32, /* 32 bits in a word */ + 32, /* 32 bits in an address */ + 8, /* 8 bits in a byte */ + bfd_arch_h8300, + bfd_mach_h8300sx, + "h8300sx", /* arch_name */ + "h8300sx", /* printable name */ + 1, + FALSE, /* the default machine */ + compatible, + h8300_scan, + bfd_arch_default_fill, + &h8300sxn_info_struct +}; + +static const bfd_arch_info_type h8300sn_info_struct = +{ + 32, /* 32 bits in a word. */ + 16, /* 16 bits in an address. */ + 8, /* 8 bits in a byte. */ + bfd_arch_h8300, + bfd_mach_h8300sn, + "h8300sn", /* Architecture name. */ + "h8300sn", /* Printable name. */ + 1, + FALSE, /* The default machine. */ + compatible, + h8300_scan, + bfd_arch_default_fill, + &h8300sx_info_struct +}; + +static const bfd_arch_info_type h8300hn_info_struct = +{ + 32, /* 32 bits in a word. */ + 16, /* 16 bits in an address. */ + 8, /* 8 bits in a byte. */ + bfd_arch_h8300, + bfd_mach_h8300hn, + "h8300hn", /* Architecture name. */ + "h8300hn", /* Printable name. */ + 1, + FALSE, /* The default machine. */ + compatible, + h8300_scan, + bfd_arch_default_fill, + &h8300sn_info_struct +}; + +static const bfd_arch_info_type h8300s_info_struct = +{ + 32, /* 32 bits in a word. */ + 32, /* 32 bits in an address. */ + 8, /* 8 bits in a byte. */ + bfd_arch_h8300, + bfd_mach_h8300s, + "h8300s", /* Architecture name. */ + "h8300s", /* Printable name. */ + 1, + FALSE, /* The default machine. */ + compatible, + h8300_scan, + bfd_arch_default_fill, + & h8300hn_info_struct +}; + +static const bfd_arch_info_type h8300h_info_struct = +{ + 32, /* 32 bits in a word. */ + 32, /* 32 bits in an address. */ + 8, /* 8 bits in a byte. */ + bfd_arch_h8300, + bfd_mach_h8300h, + "h8300h", /* Architecture name. */ + "h8300h", /* Printable name. */ + 1, + FALSE, /* The default machine. */ + compatible, + h8300_scan, + bfd_arch_default_fill, + &h8300s_info_struct +}; + +const bfd_arch_info_type bfd_h8300_arch = +{ + 16, /* 16 bits in a word. */ + 16, /* 16 bits in an address. */ + 8, /* 8 bits in a byte. */ + bfd_arch_h8300, + bfd_mach_h8300, + "h8300", /* Architecture name. */ + "h8300", /* Printable name. */ + 1, + TRUE, /* The default machine. */ + compatible, + h8300_scan, + bfd_arch_default_fill, + &h8300h_info_struct +}; + +/* Pad the given address to 32 bits, converting 16-bit and 24-bit + addresses into the values they would have had on a h8s target. */ + +bfd_vma +bfd_h8300_pad_address (bfd *abfd, bfd_vma address) +{ + /* Cope with bfd_vma's larger than 32 bits. */ + address &= 0xffffffffu; + + switch (bfd_get_mach (abfd)) + { + case bfd_mach_h8300: + case bfd_mach_h8300hn: + case bfd_mach_h8300sn: + case bfd_mach_h8300sxn: + /* Sign extend a 16-bit address. */ + if (address >= 0x8000) + return address | 0xffff0000u; + return address; + + case bfd_mach_h8300h: + /* Sign extend a 24-bit address. */ + if (address >= 0x800000) + return address | 0xff000000u; + return address; + + case bfd_mach_h8300s: + case bfd_mach_h8300sx: + return address; + + default: + abort (); + } +} |