diff options
Diffstat (limited to 'binutils-2.17/bfd/cpu-sh.c')
| -rw-r--r-- | binutils-2.17/bfd/cpu-sh.c | 524 |
1 files changed, 0 insertions, 524 deletions
diff --git a/binutils-2.17/bfd/cpu-sh.c b/binutils-2.17/bfd/cpu-sh.c deleted file mode 100644 index 531431c1..00000000 --- a/binutils-2.17/bfd/cpu-sh.c +++ /dev/null @@ -1,524 +0,0 @@ -/* BFD library support routines for the Renesas / SuperH SH architecture. - Copyright 1993, 1994, 1997, 1998, 2000, 2001, 2002, 2003, 2004, 2005 - 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 2 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 "bfd.h" -#include "sysdep.h" -#include "libbfd.h" -#include "../opcodes/sh-opc.h" - -#define SH_NEXT arch_info_struct + 0 -#define SH2_NEXT arch_info_struct + 1 -#define SH2E_NEXT arch_info_struct + 2 -#define SH_DSP_NEXT arch_info_struct + 3 -#define SH3_NEXT arch_info_struct + 4 -#define SH3_NOMMU_NEXT arch_info_struct + 5 -#define SH3_DSP_NEXT arch_info_struct + 6 -#define SH3E_NEXT arch_info_struct + 7 -#define SH4_NEXT arch_info_struct + 8 -#define SH4A_NEXT arch_info_struct + 9 -#define SH4AL_DSP_NEXT arch_info_struct + 10 -#define SH4_NOFPU_NEXT arch_info_struct + 11 -#define SH4_NOMMU_NOFPU_NEXT arch_info_struct + 12 -#define SH4A_NOFPU_NEXT arch_info_struct + 13 -#define SH2A_NEXT arch_info_struct + 14 -#define SH2A_NOFPU_NEXT arch_info_struct + 15 -#define SH2A_NOFPU_OR_SH4_NOMMU_NOFPU_NEXT arch_info_struct + 16 -#define SH2A_NOFPU_OR_SH3_NOMMU_NEXT arch_info_struct + 17 -#define SH2A_OR_SH4_NEXT arch_info_struct + 18 -#define SH2A_OR_SH3E_NEXT arch_info_struct + 19 -#define SH64_NEXT NULL - -static const bfd_arch_info_type arch_info_struct[] = -{ - { - 32, /* 32 bits in a word. */ - 32, /* 32 bits in an address. */ - 8, /* 8 bits in a byte. */ - bfd_arch_sh, - bfd_mach_sh2, - "sh", /* Architecture name. */ - "sh2", /* Machine name. */ - 1, - FALSE, /* Not the default. */ - bfd_default_compatible, - bfd_default_scan, - SH2_NEXT - }, - { - 32, /* 32 bits in a word. */ - 32, /* 32 bits in an address. */ - 8, /* 8 bits in a byte. */ - bfd_arch_sh, - bfd_mach_sh2e, - "sh", /* Architecture name. */ - "sh2e", /* Machine name. */ - 1, - FALSE, /* Not the default. */ - bfd_default_compatible, - bfd_default_scan, - SH2E_NEXT - }, - { - 32, /* 32 bits in a word. */ - 32, /* 32 bits in an address. */ - 8, /* 8 bits in a byte. */ - bfd_arch_sh, - bfd_mach_sh_dsp, - "sh", /* Architecture name. */ - "sh-dsp", /* Machine name. */ - 1, - FALSE, /* Not the default. */ - bfd_default_compatible, - bfd_default_scan, - SH_DSP_NEXT - }, - { - 32, /* 32 bits in a word. */ - 32, /* 32 bits in an address. */ - 8, /* 8 bits in a byte. */ - bfd_arch_sh, - bfd_mach_sh3, - "sh", /* Architecture name. */ - "sh3", /* Machine name. */ - 1, - FALSE, /* Not the default. */ - bfd_default_compatible, - bfd_default_scan, - SH3_NEXT - }, - { - 32, /* 32 bits in a word. */ - 32, /* 32 bits in an address. */ - 8, /* 8 bits in a byte. */ - bfd_arch_sh, - bfd_mach_sh3_nommu, - "sh", /* Architecture name. */ - "sh3-nommu", /* Machine name. */ - 1, - FALSE, /* Not the default. */ - bfd_default_compatible, - bfd_default_scan, - SH3_NOMMU_NEXT - }, - { - 32, /* 32 bits in a word. */ - 32, /* 32 bits in an address. */ - 8, /* 8 bits in a byte. */ - bfd_arch_sh, - bfd_mach_sh3_dsp, - "sh", /* Architecture name. */ - "sh3-dsp", /* Machine name. */ - 1, - FALSE, /* Not the default. */ - bfd_default_compatible, - bfd_default_scan, - SH3_DSP_NEXT - }, - { - 32, /* 32 bits in a word. */ - 32, /* 32 bits in an address. */ - 8, /* 8 bits in a byte. */ - bfd_arch_sh, - bfd_mach_sh3e, - "sh", /* Architecture name. */ - "sh3e", /* Machine name. */ - 1, - FALSE, /* Not the default. */ - bfd_default_compatible, - bfd_default_scan, - SH3E_NEXT - }, - { - 32, /* 32 bits in a word. */ - 32, /* 32 bits in an address. */ - 8, /* 8 bits in a byte. */ - bfd_arch_sh, - bfd_mach_sh4, - "sh", /* Architecture name. */ - "sh4", /* Machine name. */ - 1, - FALSE, /* Not the default. */ - bfd_default_compatible, - bfd_default_scan, - SH4_NEXT - }, - { - 32, /* 32 bits in a word. */ - 32, /* 32 bits in an address. */ - 8, /* 8 bits in a byte. */ - bfd_arch_sh, - bfd_mach_sh4a, - "sh", /* Architecture name. */ - "sh4a", /* Machine name. */ - 1, - FALSE, /* Not the default. */ - bfd_default_compatible, - bfd_default_scan, - SH4A_NEXT - }, - { - 32, /* 32 bits in a word. */ - 32, /* 32 bits in an address. */ - 8, /* 8 bits in a byte. */ - bfd_arch_sh, - bfd_mach_sh4al_dsp, - "sh", /* Architecture name. */ - "sh4al-dsp", /* Machine name. */ - 1, - FALSE, /* Not the default. */ - bfd_default_compatible, - bfd_default_scan, - SH4AL_DSP_NEXT - }, - { - 32, /* 32 bits in a word. */ - 32, /* 32 bits in an address. */ - 8, /* 8 bits in a byte. */ - bfd_arch_sh, - bfd_mach_sh4_nofpu, - "sh", /* Architecture name. */ - "sh4-nofpu", /* Machine name. */ - 1, - FALSE, /* Not the default. */ - bfd_default_compatible, - bfd_default_scan, - SH4_NOFPU_NEXT - }, - { - 32, /* 32 bits in a word. */ - 32, /* 32 bits in an address. */ - 8, /* 8 bits in a byte. */ - bfd_arch_sh, - bfd_mach_sh4_nommu_nofpu, - "sh", /* Architecture name. */ - "sh4-nommu-nofpu", /* Machine name. */ - 1, - FALSE, /* Not the default. */ - bfd_default_compatible, - bfd_default_scan, - SH4_NOMMU_NOFPU_NEXT - }, - { - 32, /* 32 bits in a word. */ - 32, /* 32 bits in an address. */ - 8, /* 8 bits in a byte. */ - bfd_arch_sh, - bfd_mach_sh4a_nofpu, - "sh", /* Architecture name. */ - "sh4a-nofpu", /* Machine name. */ - 1, - FALSE, /* Not the default. */ - bfd_default_compatible, - bfd_default_scan, - SH4A_NOFPU_NEXT - }, - { - 32, /* 32 bits in a word. */ - 32, /* 32 bits in an address. */ - 8, /* 8 bits in a byte. */ - bfd_arch_sh, - bfd_mach_sh2a, - "sh", /* Architecture name. */ - "sh2a", /* Machine name. */ - 1, - FALSE, /* Not the default. */ - bfd_default_compatible, - bfd_default_scan, - SH2A_NEXT - }, - { - 32, /* 32 bits in a word. */ - 32, /* 32 bits in an address. */ - 8, /* 8 bits in a byte. */ - bfd_arch_sh, - bfd_mach_sh2a_nofpu, - "sh", /* Architecture name. */ - "sh2a-nofpu", /* Machine name. */ - 1, - FALSE, /* Not the default. */ - bfd_default_compatible, - bfd_default_scan, - SH2A_NOFPU_NEXT - }, - { - 32, /* 32 bits in a word. */ - 32, /* 32 bits in an address. */ - 8, /* 8 bits in a byte. */ - bfd_arch_sh, - bfd_mach_sh2a_nofpu_or_sh4_nommu_nofpu, - "sh", /* Architecture name. */ - "sh2a-nofpu-or-sh4-nommu-nofpu", /* Machine name. */ - 1, - FALSE, /* Not the default. */ - bfd_default_compatible, - bfd_default_scan, - SH2A_NOFPU_OR_SH4_NOMMU_NOFPU_NEXT - }, - { - 32, /* 32 bits in a word. */ - 32, /* 32 bits in an address. */ - 8, /* 8 bits in a byte. */ - bfd_arch_sh, - bfd_mach_sh2a_nofpu_or_sh3_nommu, - "sh", /* Architecture name. . */ - "sh2a-nofpu-or-sh3-nommu", /* Machine name. */ - 1, - FALSE, /* Not the default. */ - bfd_default_compatible, - bfd_default_scan, - SH2A_NOFPU_OR_SH3_NOMMU_NEXT - }, - { - 32, /* 32 bits in a word. */ - 32, /* 32 bits in an address. */ - 8, /* 8 bits in a byte. */ - bfd_arch_sh, - bfd_mach_sh2a_or_sh4, - "sh", /* Architecture name. */ - "sh2a-or-sh4", /* Machine name. */ - 1, - FALSE, /* Not the default. */ - bfd_default_compatible, - bfd_default_scan, - SH2A_OR_SH4_NEXT - }, - { - 32, /* 32 bits in a word. */ - 32, /* 32 bits in an address. */ - 8, /* 8 bits in a byte. */ - bfd_arch_sh, - bfd_mach_sh2a_or_sh3e, - "sh", /* Architecture name. */ - "sh2a-or-sh3e", /* Machine name. */ - 1, - FALSE, /* Not the default. */ - bfd_default_compatible, - bfd_default_scan, - SH2A_OR_SH3E_NEXT - }, - { - 64, /* 64 bits in a word. */ - 64, /* 64 bits in an address. */ - 8, /* 8 bits in a byte. */ - bfd_arch_sh, - bfd_mach_sh5, - "sh", /* Architecture name. */ - "sh5", /* Machine name. */ - 1, - FALSE, /* Not the default. */ - bfd_default_compatible, - bfd_default_scan, - SH64_NEXT - }, -}; - -const bfd_arch_info_type bfd_sh_arch = -{ - 32, /* 32 bits in a word. */ - 32, /* 32 bits in an address. */ - 8, /* 8 bits in a byte. */ - bfd_arch_sh, - bfd_mach_sh, - "sh", /* Architecture name. */ - "sh", /* Machine name. */ - 1, - TRUE, /* The default machine. */ - bfd_default_compatible, - bfd_default_scan, - SH_NEXT -}; - - -/* This table defines the mappings from the BFD internal numbering - system to the opcodes internal flags system. - It is used by the functions defined below. - The prototypes for these SH specific functions are found in - sh-opc.h . */ - -static struct { unsigned long bfd_mach, arch, arch_up; } bfd_to_arch_table[] = -{ - { bfd_mach_sh, arch_sh1, arch_sh_up }, - { bfd_mach_sh2, arch_sh2, arch_sh2_up }, - { bfd_mach_sh2e, arch_sh2e, arch_sh2e_up }, - { bfd_mach_sh_dsp, arch_sh_dsp, arch_sh_dsp_up }, - { bfd_mach_sh2a, arch_sh2a, arch_sh2a_up }, - { bfd_mach_sh2a_nofpu, arch_sh2a_nofpu, arch_sh2a_nofpu_up }, - - { bfd_mach_sh2a_nofpu_or_sh4_nommu_nofpu, arch_sh2a_nofpu_or_sh4_nommu_nofpu, arch_sh2a_nofpu_or_sh4_nommu_nofpu_up }, - { bfd_mach_sh2a_nofpu_or_sh3_nommu, arch_sh2a_nofpu_or_sh3_nommu, arch_sh2a_nofpu_or_sh3_nommu_up }, - { bfd_mach_sh2a_or_sh4, arch_sh2a_or_sh4, arch_sh2a_or_sh4_up }, - { bfd_mach_sh2a_or_sh3e, arch_sh2a_or_sh3e, arch_sh2a_or_sh3e_up }, - - { bfd_mach_sh3, arch_sh3, arch_sh3_up }, - { bfd_mach_sh3_nommu, arch_sh3_nommu, arch_sh3_nommu_up }, - { bfd_mach_sh3_dsp, arch_sh3_dsp, arch_sh3_dsp_up }, - { bfd_mach_sh3e, arch_sh3e, arch_sh3e_up }, - { bfd_mach_sh4, arch_sh4, arch_sh4_up }, - { bfd_mach_sh4a, arch_sh4a, arch_sh4a_up }, - { bfd_mach_sh4al_dsp, arch_sh4al_dsp, arch_sh4al_dsp_up }, - { bfd_mach_sh4_nofpu, arch_sh4_nofpu, arch_sh4_nofpu_up }, - { bfd_mach_sh4_nommu_nofpu, arch_sh4_nommu_nofpu, arch_sh4_nommu_nofpu_up }, - { bfd_mach_sh4a_nofpu, arch_sh4a_nofpu, arch_sh4a_nofpu_up }, - { 0, 0, 0 } /* Terminator. */ -}; - - -/* Convert a BFD mach number into the right opcodes arch flags - using the table above. */ - -unsigned int -sh_get_arch_from_bfd_mach (unsigned long mach) -{ - int i = 0; - - while (bfd_to_arch_table[i].bfd_mach != 0) - if (bfd_to_arch_table[i].bfd_mach == mach) - return bfd_to_arch_table[i].arch; - else - i++; - - /* Machine not found. */ - BFD_FAIL(); - - return SH_ARCH_UNKNOWN_ARCH; -} - - -/* Convert a BFD mach number into a set of opcodes arch flags - describing all the compatible architectures (i.e. arch_up) - using the table above. */ - -unsigned int -sh_get_arch_up_from_bfd_mach (unsigned long mach) -{ - int i = 0; - - while (bfd_to_arch_table[i].bfd_mach != 0) - if (bfd_to_arch_table[i].bfd_mach == mach) - return bfd_to_arch_table[i].arch_up; - else - i++; - - /* Machine not found. */ - BFD_FAIL(); - - return SH_ARCH_UNKNOWN_ARCH; -} - - -/* Convert an arbitary arch_set - not necessarily corresponding - directly to anything in the table above - to the most generic - architecture which supports all the required features, and - return the corresponding BFD mach. */ - -unsigned long -sh_get_bfd_mach_from_arch_set (unsigned int arch_set) -{ - unsigned long result = 0; - unsigned int best = ~arch_set; - unsigned int co_mask = ~0; - int i = 0; - - /* If arch_set permits variants with no coprocessor then do not allow - the other irrelevant co-processor bits to influence the choice: - e.g. if dsp is disallowed by arch_set, then the algorithm would - prefer fpu variants over nofpu variants because they also disallow - dsp - even though the nofpu would be the most correct choice. - This assumes that EVERY fpu/dsp variant has a no-coprocessor - counter-part, or their non-fpu/dsp instructions do not have the - no co-processor bit set. */ - if (arch_set & arch_sh_no_co) - co_mask = ~(arch_sh_sp_fpu | arch_sh_dp_fpu | arch_sh_has_dsp); - - while (bfd_to_arch_table[i].bfd_mach != 0) - { - unsigned int try = bfd_to_arch_table[i].arch_up & co_mask; - - /* Conceptually: Find the architecture with the least number - of extra features or, if they have the same number, then - the greatest number of required features. Disregard - architectures where the required features alone do - not describe a valid architecture. */ - if (((try & ~arch_set) < (best & ~arch_set) - || ((try & ~arch_set) == (best & ~arch_set) - && (~try & arch_set) < (~best & arch_set))) - && SH_MERGE_ARCH_SET_VALID (try, arch_set)) - { - result = bfd_to_arch_table[i].bfd_mach; - best = try; - } - - i++; - } - - /* This might happen if a new variant is added to sh-opc.h - but no corresponding entry is added to the table above. */ - BFD_ASSERT (result != 0); - - return result; -} - - -/* Merge the architecture type of two BFD files, such that the - resultant architecture supports all the features required - by the two input BFDs. - If the input BFDs are multually incompatible - i.e. one uses - DSP while the other uses FPU - or there is no known architecture - that fits the requirements then an error is emitted. */ - -bfd_boolean -sh_merge_bfd_arch (bfd *ibfd, bfd *obfd) -{ - unsigned int old_arch, new_arch, merged_arch; - - if (! _bfd_generic_verify_endian_match (ibfd, obfd)) - return FALSE; - - old_arch = sh_get_arch_up_from_bfd_mach (bfd_get_mach (obfd)); - new_arch = sh_get_arch_up_from_bfd_mach (bfd_get_mach (ibfd)); - - merged_arch = SH_MERGE_ARCH_SET (old_arch, new_arch); - - if (!SH_VALID_CO_ARCH_SET (merged_arch)) - { - (*_bfd_error_handler) - ("%B: uses %s instructions while previous modules use %s instructions", - ibfd, - SH_ARCH_SET_HAS_DSP (new_arch) ? "dsp" : "floating point", - SH_ARCH_SET_HAS_DSP (new_arch) ? "floating point" : "dsp"); - bfd_set_error (bfd_error_bad_value); - return FALSE; - } - else if (!SH_VALID_ARCH_SET (merged_arch)) - { - (*_bfd_error_handler) - ("internal error: merge of architecture '%s' with architecture '%s' produced unknown architecture\n", - bfd_printable_name (obfd), - bfd_printable_name (ibfd)); - bfd_set_error (bfd_error_bad_value); - return FALSE; - } - - bfd_default_set_arch_mach (obfd, bfd_arch_sh, - sh_get_bfd_mach_from_arch_set (merged_arch)); - - return TRUE; -} |