LoongArch: Fix LD check fails.

[binutils-gdb.git] / bfd / cpu-sh.c

diff --git a/bfd/cpu-sh.c b/bfd/cpu-sh.c
index be359df7090dad6c6607356a6b74eb78fbbfb5e9..921d96bbd6fb27ac43e7799c8beb5f997b1edfa3 100644 (file)
--- a/bfd/cpu-sh.c
+++ b/bfd/cpu-sh.c
@@ -1,13 +1,12 @@
 /* BFD library support routines for the Renesas / SuperH SH architecture.
 /* BFD library support routines for the Renesas / SuperH SH architecture.

-   Copyright 1993, 1994, 1997, 1998, 2000, 2001, 2002, 2003, 2004
-   Free Software Foundation, Inc.
+   Copyright (C) 1993-2022 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
    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,
    (at your option) any later version.
 
    This program is distributed in the hope that it will be useful,


@@ -17,225 +16,184 @@
 
    You should have received a copy of the GNU General Public License
    along with this program; if not, write to the Free Software
 
    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 "sysdep.h"

+#include "bfd.h"

 #include "libbfd.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 SH4_NOMMU_NOFPU_NEXT &arch_info_struct[11]
-#define SH4A_NOFPU_NEXT &arch_info_struct[12]
-#define SH64_NEXT    NULL
+
+#define N(NUMBER, PRINT, DEFAULT, NEXT)                        \
+  {                                                    \
+    32,     /* Bits in a word.  */                     \
+    32,     /* Bits in an address.  */                 \
+    8,     /* Bits in a byte.  */                      \
+    bfd_arch_sh,                                       \
+    NUMBER,                                            \
+    "sh",                                              \
+    PRINT,                                             \
+    1,         /* Section alignment power.  */         \
+    DEFAULT,                                           \
+    bfd_default_compatible,                            \
+    bfd_default_scan,                                  \
+    bfd_arch_default_fill,                             \
+    NEXT,                                              \
+    0 /* Maximum offset of a reloc from the start of an insn.  */ \
+  }

 
 static const bfd_arch_info_type arch_info_struct[] =
 {
 
 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",                      /* arch_name  */
-    "sh2",                     /* printable 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",                      /* arch_name  */
-    "sh2e",                    /* printable 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",                      /* arch_name  */
-    "sh-dsp",                  /* printable 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",                      /* arch_name  */
-    "sh3",                     /* printable 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_dsp,
-    "sh",                      /* arch_name  */
-    "sh3-dsp",                 /* printable 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",                      /* arch_name  */
-    "sh3e",                    /* printable 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",                      /* arch_name  */
-    "sh4",                     /* printable 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",                      /* arch_name  */
-    "sh4a",                    /* printable 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",                      /* arch_name  */
-    "sh4al-dsp",               /* printable 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",                      /* arch_name  */
-    "sh4-nofpu",               /* printable 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",                      /* arch_name  */
-    "sh4-nommu-nofpu",         /* printable 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",                      /* arch_name  */
-    "sh4a-nofpu",              /* printable name */
-    1,
-    FALSE,                     /* not the default */
-    bfd_default_compatible,
-    bfd_default_scan,
-    SH4A_NOFPU_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",                      /* arch_name  */
-    "sh5",                     /* printable name */
-    1,
-    FALSE,                     /* not the default */
-    bfd_default_compatible,
-    bfd_default_scan,
-    SH64_NEXT
-  },
+  N (bfd_mach_sh2,          "sh2",       false, arch_info_struct + 1),
+  N (bfd_mach_sh2e,         "sh2e",      false, arch_info_struct + 2),
+  N (bfd_mach_sh_dsp,       "sh-dsp",    false, arch_info_struct + 3),
+  N (bfd_mach_sh3,          "sh3",       false, arch_info_struct + 4),
+  N (bfd_mach_sh3_nommu,    "sh3-nommu", false, arch_info_struct + 5),
+  N (bfd_mach_sh3_dsp,      "sh3-dsp",   false, arch_info_struct + 6),
+  N (bfd_mach_sh3e,         "sh3e",      false, arch_info_struct + 7),
+  N (bfd_mach_sh4,          "sh4",       false, arch_info_struct + 8),
+  N (bfd_mach_sh4a,         "sh4a",      false, arch_info_struct + 9),
+  N (bfd_mach_sh4al_dsp,    "sh4al-dsp", false, arch_info_struct + 10),
+  N (bfd_mach_sh4_nofpu,    "sh4-nofpu", false, arch_info_struct + 11),
+  N (bfd_mach_sh4_nommu_nofpu, "sh4-nommu-nofpu", false, arch_info_struct + 12),
+  N (bfd_mach_sh4a_nofpu,   "sh4a-nofpu", false, arch_info_struct + 13),
+  N (bfd_mach_sh2a,         "sh2a",       false, arch_info_struct + 14),
+  N (bfd_mach_sh2a_nofpu,   "sh2a-nofpu", false, arch_info_struct + 15),
+  N (bfd_mach_sh2a_nofpu_or_sh4_nommu_nofpu, "sh2a-nofpu-or-sh4-nommu-nofpu", false, arch_info_struct + 16),
+  N (bfd_mach_sh2a_nofpu_or_sh3_nommu, "sh2a-nofpu-or-sh3-nommu", false, arch_info_struct + 17),
+  N (bfd_mach_sh2a_or_sh4,  "sh2a-or-sh4",  false, arch_info_struct + 18),
+  N (bfd_mach_sh2a_or_sh3e, "sh2a-or-sh3e", false, NULL)

 };
 
 const bfd_arch_info_type bfd_sh_arch =
 };
 
 const bfd_arch_info_type bfd_sh_arch =

+  N (bfd_mach_sh, "sh", true, arch_info_struct + 0);
+
+/* 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[] =

 {
 {

-  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 */
-  1,
-  TRUE,                                /* the default machine */
-  bfd_default_compatible,
-  bfd_default_scan,
-  SH_NEXT
+  { 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;
+}