/* BFD library support routines for the Renesas / SuperH SH architecture.
- Copyright 1993, 1994, 1997, 1998, 2000, 2001, 2002, 2003
- Free Software Foundation, Inc.
+ Copyright (C) 1993-2019 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
+ 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,
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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+ Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
+ MA 02110-1301, USA. */
-#include "bfd.h"
#include "sysdep.h"
+#include "bfd.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_DSP_NEXT &arch_info_struct[5]
-#define SH3E_NEXT &arch_info_struct[6]
-#define SH4_NEXT &arch_info_struct[7]
-#define SH4A_NEXT &arch_info_struct[8]
-#define SH4AL_DSP_NEXT &arch_info_struct[9]
-#define SH4_NOFPU_NEXT &arch_info_struct[10]
-#define SH4A_NOFPU_NEXT &arch_info_struct[11]
-#define SH64_NEXT NULL
+#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 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 */
+ 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", /* arch_name */
- "sh2", /* printable name */
+ "sh", /* Architecture name. */
+ "sh2", /* Machine name. */
1,
- FALSE, /* not the default */
+ FALSE, /* Not the default. */
bfd_default_compatible,
bfd_default_scan,
+ bfd_arch_default_fill,
SH2_NEXT
},
{
- 32, /* 32 bits in a word */
- 32, /* 32 bits in an address */
- 8, /* 8 bits in a byte */
+ 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", /* arch_name */
- "sh2e", /* printable name */
+ "sh", /* Architecture name. */
+ "sh2e", /* Machine name. */
1,
- FALSE, /* not the default */
+ FALSE, /* Not the default. */
bfd_default_compatible,
bfd_default_scan,
+ bfd_arch_default_fill,
SH2E_NEXT
},
{
- 32, /* 32 bits in a word */
- 32, /* 32 bits in an address */
- 8, /* 8 bits in a byte */
+ 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", /* arch_name */
- "sh-dsp", /* printable name */
+ "sh", /* Architecture name. */
+ "sh-dsp", /* Machine name. */
1,
- FALSE, /* not the default */
+ FALSE, /* Not the default. */
bfd_default_compatible,
bfd_default_scan,
+ bfd_arch_default_fill,
SH_DSP_NEXT
},
{
- 32, /* 32 bits in a word */
- 32, /* 32 bits in an address */
- 8, /* 8 bits in a byte */
+ 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", /* arch_name */
- "sh3", /* printable name */
+ "sh", /* Architecture name. */
+ "sh3", /* Machine name. */
1,
- FALSE, /* not the default */
+ FALSE, /* Not the default. */
bfd_default_compatible,
bfd_default_scan,
+ bfd_arch_default_fill,
SH3_NEXT
},
{
- 32, /* 32 bits in a word */
- 32, /* 32 bits in an address */
- 8, /* 8 bits in a byte */
+ 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,
+ bfd_arch_default_fill,
+ 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", /* arch_name */
- "sh3-dsp", /* printable name */
+ "sh", /* Architecture name. */
+ "sh3-dsp", /* Machine name. */
1,
- FALSE, /* not the default */
+ FALSE, /* Not the default. */
bfd_default_compatible,
bfd_default_scan,
+ bfd_arch_default_fill,
SH3_DSP_NEXT
},
{
- 32, /* 32 bits in a word */
- 32, /* 32 bits in an address */
- 8, /* 8 bits in a byte */
+ 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", /* arch_name */
- "sh3e", /* printable name */
+ "sh", /* Architecture name. */
+ "sh3e", /* Machine name. */
1,
- FALSE, /* not the default */
+ FALSE, /* Not the default. */
bfd_default_compatible,
bfd_default_scan,
+ bfd_arch_default_fill,
SH3E_NEXT
},
{
- 32, /* 32 bits in a word */
- 32, /* 32 bits in an address */
- 8, /* 8 bits in a byte */
+ 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", /* arch_name */
- "sh4", /* printable name */
+ "sh", /* Architecture name. */
+ "sh4", /* Machine name. */
1,
- FALSE, /* not the default */
+ FALSE, /* Not the default. */
bfd_default_compatible,
bfd_default_scan,
+ bfd_arch_default_fill,
SH4_NEXT
},
{
- 32, /* 32 bits in a word */
- 32, /* 32 bits in an address */
- 8, /* 8 bits in a byte */
+ 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", /* arch_name */
- "sh4a", /* printable name */
+ "sh", /* Architecture name. */
+ "sh4a", /* Machine name. */
1,
- FALSE, /* not the default */
+ FALSE, /* Not the default. */
bfd_default_compatible,
bfd_default_scan,
+ bfd_arch_default_fill,
SH4A_NEXT
},
{
- 32, /* 32 bits in a word */
- 32, /* 32 bits in an address */
- 8, /* 8 bits in a byte */
+ 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", /* arch_name */
- "sh4al-dsp", /* printable name */
+ "sh", /* Architecture name. */
+ "sh4al-dsp", /* Machine name. */
1,
- FALSE, /* not the default */
+ FALSE, /* Not the default. */
bfd_default_compatible,
bfd_default_scan,
+ bfd_arch_default_fill,
SH4AL_DSP_NEXT
},
{
- 32, /* 32 bits in a word */
- 32, /* 32 bits in an address */
- 8, /* 8 bits in a byte */
+ 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", /* arch_name */
- "sh4-nofpu", /* printable name */
+ "sh", /* Architecture name. */
+ "sh4-nofpu", /* Machine name. */
1,
- FALSE, /* not the default */
+ FALSE, /* Not the default. */
bfd_default_compatible,
bfd_default_scan,
+ bfd_arch_default_fill,
SH4_NOFPU_NEXT
},
{
- 32, /* 32 bits in a word */
- 32, /* 32 bits in an address */
- 8, /* 8 bits in a byte */
+ 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,
+ bfd_arch_default_fill,
+ 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", /* arch_name */
- "sh4a-nofpu", /* printable name */
+ "sh", /* Architecture name. */
+ "sh4a-nofpu", /* Machine name. */
1,
- FALSE, /* not the default */
+ FALSE, /* Not the default. */
bfd_default_compatible,
bfd_default_scan,
+ bfd_arch_default_fill,
SH4A_NOFPU_NEXT
},
{
- 64, /* 64 bits in a word */
- 64, /* 64 bits in an address */
- 8, /* 8 bits in a byte */
+ 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,
+ bfd_arch_default_fill,
+ 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,
+ bfd_arch_default_fill,
+ 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,
+ bfd_arch_default_fill,
+ 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,
+ bfd_arch_default_fill,
+ 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_sh5,
- "sh", /* arch_name */
- "sh5", /* printable name */
+ bfd_mach_sh2a_or_sh4,
+ "sh", /* Architecture name. */
+ "sh2a-or-sh4", /* Machine name. */
1,
- FALSE, /* not the default */
+ FALSE, /* Not the default. */
bfd_default_compatible,
bfd_default_scan,
- SH64_NEXT
+ bfd_arch_default_fill,
+ 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,
+ bfd_arch_default_fill,
+ SH2A_OR_SH3E_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 */
+ 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", /* arch_name */
- "sh", /* printable name */
+ "sh", /* Architecture name. */
+ "sh", /* Machine name. */
1,
- TRUE, /* the default machine */
+ TRUE, /* The default machine. */
bfd_default_compatible,
bfd_default_scan,
+ bfd_arch_default_fill,
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;
+}