* elfxx-target.h (USE_REL): Don't define as 1.
[deliverable/binutils-gdb.git] / bfd / elfarm-nabi.c
index 0278a470394b7f7843cd81a4d8778660bdf724e0..bd34a14d2582e64323a4ceca80570e77d96e0188 100644 (file)
@@ -1,5 +1,5 @@
 /* 32-bit ELF support for ARM new abi option.
-   Copyright 1999 Free Software Foundation, Inc.
+   Copyright 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
 
    This file is part of BFD, the Binary File Descriptor library.
 
 #include "libbfd.h"
 #include "elf-bfd.h"
 
-#define USE_REL
+#ifndef NUM_ELEM
+#define NUM_ELEM(a)  (sizeof (a) / (sizeof (a)[0]))
+#endif
+
+#define USE_REL        1
 
 #define TARGET_LITTLE_SYM               bfd_elf32_littlearm_vec
 #define TARGET_LITTLE_NAME              "elf32-littlearm"
 #define TARGET_BIG_SYM                  bfd_elf32_bigarm_vec
 #define TARGET_BIG_NAME                 "elf32-bigarm"
+
 #define elf_info_to_howto               0
-#define elf_info_to_howto_rel           elf32_arm_info_to_howto_rel 
+#define elf_info_to_howto_rel           elf32_arm_info_to_howto
+
+#define ARM_ELF_ABI_VERSION            0
+#define ARM_ELF_OS_ABI_VERSION         ELFOSABI_ARM
 
+static reloc_howto_type * elf32_arm_reloc_type_lookup
+  PARAMS ((bfd * abfd, bfd_reloc_code_real_type code));
+static boolean elf32_arm_nabi_grok_prstatus
+  PARAMS ((bfd *abfd, Elf_Internal_Note *note));
+static boolean elf32_arm_nabi_grok_psinfo
+  PARAMS ((bfd *abfd, Elf_Internal_Note *note));
+
+/* Note: code such as elf32_arm_reloc_type_lookup expect to use e.g.
+   R_ARM_PC24 as an index into this, and find the R_ARM_PC24 HOWTO
+   in that slot.  */
 
 static reloc_howto_type elf32_arm_howto_table[] =
 {
@@ -42,7 +60,7 @@ static reloc_howto_type elf32_arm_howto_table[] =
         0,                     /* bitsize */
         false,                 /* pc_relative */
         0,                     /* bitpos */
-        complain_overflow_dont,        /* complain_on_overflow */
+        complain_overflow_dont,/* complain_on_overflow */
         bfd_elf_generic_reloc, /* special_function */
         "R_ARM_NONE",          /* name */
         false,                 /* partial_inplace */
@@ -56,7 +74,7 @@ static reloc_howto_type elf32_arm_howto_table[] =
         24,                    /* bitsize */
         true,                  /* pc_relative */
         0,                     /* bitpos */
-        complain_overflow_signed,      /* complain_on_overflow */
+        complain_overflow_signed,/* complain_on_overflow */
         bfd_elf_generic_reloc, /* special_function */
         "R_ARM_PC24",          /* name */
         false,                 /* partial_inplace */
@@ -71,7 +89,7 @@ static reloc_howto_type elf32_arm_howto_table[] =
         32,                    /* bitsize */
         false,                 /* pc_relative */
         0,                     /* bitpos */
-        complain_overflow_bitfield,    /* complain_on_overflow */
+        complain_overflow_bitfield,/* complain_on_overflow */
         bfd_elf_generic_reloc, /* special_function */
         "R_ARM_ABS32",         /* name */
         false,                 /* partial_inplace */
@@ -86,7 +104,7 @@ static reloc_howto_type elf32_arm_howto_table[] =
         32,                    /* bitsize */
         true,                  /* pc_relative */
         0,                     /* bitpos */
-        complain_overflow_bitfield,    /* complain_on_overflow */
+        complain_overflow_bitfield,/* complain_on_overflow */
         bfd_elf_generic_reloc, /* special_function */
         "R_ARM_REL32",         /* name */
         false,                 /* partial_inplace */
@@ -101,7 +119,7 @@ static reloc_howto_type elf32_arm_howto_table[] =
         8,                     /* bitsize */
         false,                 /* pc_relative */
         0,                     /* bitpos */
-        complain_overflow_bitfield,    /* complain_on_overflow */
+        complain_overflow_bitfield,/* complain_on_overflow */
         bfd_elf_generic_reloc, /* special_function */
         "R_ARM_PC13",          /* name */
         false,                 /* partial_inplace */
@@ -116,12 +134,12 @@ static reloc_howto_type elf32_arm_howto_table[] =
         16,                    /* bitsize */
         false,                 /* pc_relative */
         0,                     /* bitpos */
-        complain_overflow_bitfield,    /* complain_on_overflow */
+        complain_overflow_bitfield,/* complain_on_overflow */
         bfd_elf_generic_reloc, /* special_function */
         "R_ARM_ABS16",         /* name */
         false,                 /* partial_inplace */
-        0,                     /* src_mask */
-        0,                     /* dst_mask */
+        0x0000ffff,            /* src_mask */
+        0x0000ffff,            /* dst_mask */
         false),                /* pcrel_offset */
 
   /* 12 bit absolute */
@@ -131,7 +149,7 @@ static reloc_howto_type elf32_arm_howto_table[] =
         12,                    /* bitsize */
         false,                 /* pc_relative */
         0,                     /* bitpos */
-        complain_overflow_bitfield,    /* complain_on_overflow */
+        complain_overflow_bitfield,/* complain_on_overflow */
         bfd_elf_generic_reloc, /* special_function */
         "R_ARM_ABS12",         /* name */
         false,                 /* partial_inplace */
@@ -140,12 +158,12 @@ static reloc_howto_type elf32_arm_howto_table[] =
         false),                /* pcrel_offset */
 
   HOWTO (R_ARM_THM_ABS5,       /* type */
-        0,                     /* rightshift */
-        2,                     /* size (0 = byte, 1 = short, 2 = long) */
+        6,                     /* rightshift */
+        1,                     /* size (0 = byte, 1 = short, 2 = long) */
         5,                     /* bitsize */
         false,                 /* pc_relative */
         0,                     /* bitpos */
-        complain_overflow_bitfield,    /* complain_on_overflow */
+        complain_overflow_bitfield,/* complain_on_overflow */
         bfd_elf_generic_reloc, /* special_function */
         "R_ARM_THM_ABS5",      /* name */
         false,                 /* partial_inplace */
@@ -160,7 +178,7 @@ static reloc_howto_type elf32_arm_howto_table[] =
         8,                     /* bitsize */
         false,                 /* pc_relative */
         0,                     /* bitpos */
-        complain_overflow_bitfield,    /* complain_on_overflow */
+        complain_overflow_bitfield,/* complain_on_overflow */
         bfd_elf_generic_reloc, /* special_function */
         "R_ARM_ABS8",          /* name */
         false,                 /* partial_inplace */
@@ -174,7 +192,7 @@ static reloc_howto_type elf32_arm_howto_table[] =
         0,                     /* bitsize */
         false,                 /* pc_relative */
         0,                     /* bitpos */
-        complain_overflow_dont,        /* complain_on_overflow */
+        complain_overflow_dont,/* complain_on_overflow */
         bfd_elf_generic_reloc, /* special_function */
         "R_ARM_SBREL32",       /* name */
         false,                 /* partial_inplace */
@@ -185,10 +203,10 @@ static reloc_howto_type elf32_arm_howto_table[] =
   HOWTO (R_ARM_THM_PC22,       /* type */
         1,                     /* rightshift */
         2,                     /* size (0 = byte, 1 = short, 2 = long) */
-        22,                    /* bitsize */
+        23,                    /* bitsize */
         true,                  /* pc_relative */
         0,                     /* bitpos */
-        complain_overflow_signed,      /* complain_on_overflow */
+        complain_overflow_signed,/* complain_on_overflow */
         bfd_elf_generic_reloc, /* special_function */
         "R_ARM_THM_PC22",      /* name */
         false,                 /* partial_inplace */
@@ -202,7 +220,7 @@ static reloc_howto_type elf32_arm_howto_table[] =
         8,                     /* bitsize */
         true,                  /* pc_relative */
         0,                     /* bitpos */
-        complain_overflow_signed,      /* complain_on_overflow */
+        complain_overflow_signed,/* complain_on_overflow */
         bfd_elf_generic_reloc, /* special_function */
         "R_ARM_THM_PC8",       /* name */
         false,                 /* partial_inplace */
@@ -216,7 +234,7 @@ static reloc_howto_type elf32_arm_howto_table[] =
         8,                     /* bitsize */
         true,                  /* pc_relative */
         0,                     /* bitpos */
-        complain_overflow_signed,      /* complain_on_overflow */
+        complain_overflow_signed,/* complain_on_overflow */
         bfd_elf_generic_reloc, /* special_function */
         "R_ARM_AMP_VCALL9",    /* name */
         false,                 /* partial_inplace */
@@ -224,19 +242,19 @@ static reloc_howto_type elf32_arm_howto_table[] =
         0x000000ff,            /* dst_mask */
         true),                 /* pcrel_offset */
 
-  HOWTO (R_ARM_SWI24,  /* type */
+  HOWTO (R_ARM_SWI24,          /* type */
         0,                     /* rightshift */
         0,                     /* size (0 = byte, 1 = short, 2 = long) */
         0,                     /* bitsize */
         false,                 /* pc_relative */
         0,                     /* bitpos */
-        complain_overflow_signed,      /* complain_on_overflow */
+        complain_overflow_signed,/* complain_on_overflow */
         bfd_elf_generic_reloc, /* special_function */
-        "R_ARM_SWI24", /* name */
+        "R_ARM_SWI24",         /* name */
         false,                 /* partial_inplace */
         0x00000000,            /* src_mask */
         0x00000000,            /* dst_mask */
-        false),                        /* pcrel_offset */
+        false),                /* pcrel_offset */
 
   HOWTO (R_ARM_THM_SWI8,       /* type */
         0,                     /* rightshift */
@@ -244,13 +262,203 @@ static reloc_howto_type elf32_arm_howto_table[] =
         0,                     /* bitsize */
         false,                 /* pc_relative */
         0,                     /* bitpos */
-        complain_overflow_signed,      /* complain_on_overflow */
+        complain_overflow_signed,/* complain_on_overflow */
         bfd_elf_generic_reloc, /* special_function */
-        "R_ARM_SWI8",  /* name */
+        "R_ARM_SWI8",          /* name */
         false,                 /* partial_inplace */
         0x00000000,            /* src_mask */
         0x00000000,            /* dst_mask */
-        false),                        /* pcrel_offset */
+        false),                /* pcrel_offset */
+
+  /* BLX instruction for the ARM.  */
+  HOWTO (R_ARM_XPC25,          /* type */
+        2,                     /* rightshift */
+        2,                     /* size (0 = byte, 1 = short, 2 = long) */
+        25,                    /* bitsize */
+        true,                  /* pc_relative */
+        0,                     /* bitpos */
+        complain_overflow_signed,/* complain_on_overflow */
+        bfd_elf_generic_reloc, /* special_function */
+        "R_ARM_XPC25",         /* name */
+        false,                 /* partial_inplace */
+        0x00ffffff,            /* src_mask */
+        0x00ffffff,            /* dst_mask */
+        true),                 /* pcrel_offset */
+
+  /* BLX instruction for the Thumb.  */
+  HOWTO (R_ARM_THM_XPC22,      /* type */
+        2,                     /* rightshift */
+        2,                     /* size (0 = byte, 1 = short, 2 = long) */
+        22,                    /* bitsize */
+        true,                  /* pc_relative */
+        0,                     /* bitpos */
+        complain_overflow_signed,/* complain_on_overflow */
+        bfd_elf_generic_reloc, /* special_function */
+        "R_ARM_THM_XPC22",     /* name */
+        false,                 /* partial_inplace */
+        0x07ff07ff,            /* src_mask */
+        0x07ff07ff,            /* dst_mask */
+        true),                 /* pcrel_offset */
+
+  /* These next three relocs are not defined, but we need to fill the space.  */
+
+  HOWTO (R_ARM_NONE,           /* type */
+        0,                     /* rightshift */
+        0,                     /* size (0 = byte, 1 = short, 2 = long) */
+        0,                     /* bitsize */
+        false,                 /* pc_relative */
+        0,                     /* bitpos */
+        complain_overflow_dont,/* complain_on_overflow */
+        bfd_elf_generic_reloc, /* special_function */
+        "R_ARM_unknown_17",    /* name */
+        false,                 /* partial_inplace */
+        0,                     /* src_mask */
+        0,                     /* dst_mask */
+        false),                /* pcrel_offset */
+
+  HOWTO (R_ARM_NONE,           /* type */
+        0,                     /* rightshift */
+        0,                     /* size (0 = byte, 1 = short, 2 = long) */
+        0,                     /* bitsize */
+        false,                 /* pc_relative */
+        0,                     /* bitpos */
+        complain_overflow_dont,/* complain_on_overflow */
+        bfd_elf_generic_reloc, /* special_function */
+        "R_ARM_unknown_18",    /* name */
+        false,                 /* partial_inplace */
+        0,                     /* src_mask */
+        0,                     /* dst_mask */
+        false),                /* pcrel_offset */
+
+  HOWTO (R_ARM_NONE,           /* type */
+        0,                     /* rightshift */
+        0,                     /* size (0 = byte, 1 = short, 2 = long) */
+        0,                     /* bitsize */
+        false,                 /* pc_relative */
+        0,                     /* bitpos */
+        complain_overflow_dont,/* complain_on_overflow */
+        bfd_elf_generic_reloc, /* special_function */
+        "R_ARM_unknown_19",    /* name */
+        false,                 /* partial_inplace */
+        0,                     /* src_mask */
+        0,                     /* dst_mask */
+        false),                /* pcrel_offset */
+
+  /* Relocs used in ARM Linux */
+
+  HOWTO (R_ARM_COPY,           /* type */
+         0,                     /* rightshift */
+         2,                     /* size (0 = byte, 1 = short, 2 = long) */
+         32,                    /* bitsize */
+         false,                 /* pc_relative */
+         0,                     /* bitpos */
+         complain_overflow_bitfield,/* complain_on_overflow */
+         bfd_elf_generic_reloc, /* special_function */
+         "R_ARM_COPY",         /* name */
+         true,                 /* partial_inplace */
+         0xffffffff,           /* src_mask */
+         0xffffffff,           /* dst_mask */
+         false),                /* pcrel_offset */
+
+  HOWTO (R_ARM_GLOB_DAT,       /* type */
+         0,                     /* rightshift */
+         2,                     /* size (0 = byte, 1 = short, 2 = long) */
+         32,                    /* bitsize */
+         false,                 /* pc_relative */
+         0,                     /* bitpos */
+         complain_overflow_bitfield,/* complain_on_overflow */
+         bfd_elf_generic_reloc, /* special_function */
+         "R_ARM_GLOB_DAT",     /* name */
+         true,                 /* partial_inplace */
+         0xffffffff,           /* src_mask */
+         0xffffffff,           /* dst_mask */
+         false),                /* pcrel_offset */
+
+  HOWTO (R_ARM_JUMP_SLOT,      /* type */
+         0,                     /* rightshift */
+         2,                     /* size (0 = byte, 1 = short, 2 = long) */
+         32,                    /* bitsize */
+         false,                 /* pc_relative */
+         0,                     /* bitpos */
+         complain_overflow_bitfield,/* complain_on_overflow */
+         bfd_elf_generic_reloc, /* special_function */
+         "R_ARM_JUMP_SLOT",    /* name */
+         true,                 /* partial_inplace */
+         0xffffffff,           /* src_mask */
+         0xffffffff,           /* dst_mask */
+         false),                /* pcrel_offset */
+
+  HOWTO (R_ARM_RELATIVE,       /* type */
+         0,                     /* rightshift */
+         2,                     /* size (0 = byte, 1 = short, 2 = long) */
+         32,                    /* bitsize */
+         false,                 /* pc_relative */
+         0,                     /* bitpos */
+         complain_overflow_bitfield,/* complain_on_overflow */
+         bfd_elf_generic_reloc, /* special_function */
+         "R_ARM_RELATIVE",     /* name */
+         true,                 /* partial_inplace */
+         0xffffffff,           /* src_mask */
+         0xffffffff,           /* dst_mask */
+         false),                /* pcrel_offset */
+
+  HOWTO (R_ARM_GOTOFF,         /* type */
+         0,                     /* rightshift */
+         2,                     /* size (0 = byte, 1 = short, 2 = long) */
+         32,                    /* bitsize */
+         false,                 /* pc_relative */
+         0,                     /* bitpos */
+         complain_overflow_bitfield,/* complain_on_overflow */
+         bfd_elf_generic_reloc, /* special_function */
+         "R_ARM_GOTOFF",       /* name */
+         true,                 /* partial_inplace */
+         0xffffffff,           /* src_mask */
+         0xffffffff,           /* dst_mask */
+         false),                /* pcrel_offset */
+
+  HOWTO (R_ARM_GOTPC,          /* type */
+         0,                     /* rightshift */
+         2,                     /* size (0 = byte, 1 = short, 2 = long) */
+         32,                    /* bitsize */
+         true,                 /* pc_relative */
+         0,                     /* bitpos */
+         complain_overflow_bitfield,/* complain_on_overflow */
+         bfd_elf_generic_reloc, /* special_function */
+         "R_ARM_GOTPC",                /* name */
+         true,                 /* partial_inplace */
+         0xffffffff,           /* src_mask */
+         0xffffffff,           /* dst_mask */
+         true),                        /* pcrel_offset */
+
+  HOWTO (R_ARM_GOT32,          /* type */
+         0,                     /* rightshift */
+         2,                     /* size (0 = byte, 1 = short, 2 = long) */
+         32,                    /* bitsize */
+         false,                        /* pc_relative */
+         0,                     /* bitpos */
+         complain_overflow_bitfield,/* complain_on_overflow */
+         bfd_elf_generic_reloc, /* special_function */
+         "R_ARM_GOT32",                /* name */
+         true,                 /* partial_inplace */
+         0xffffffff,           /* src_mask */
+         0xffffffff,           /* dst_mask */
+         false),               /* pcrel_offset */
+
+  HOWTO (R_ARM_PLT32,          /* type */
+         2,                     /* rightshift */
+         2,                     /* size (0 = byte, 1 = short, 2 = long) */
+         26,                    /* bitsize */
+         true,                 /* pc_relative */
+         0,                     /* bitpos */
+         complain_overflow_bitfield,/* complain_on_overflow */
+         bfd_elf_generic_reloc, /* special_function */
+         "R_ARM_PLT32",                /* name */
+         true,                 /* partial_inplace */
+         0x00ffffff,           /* src_mask */
+         0x00ffffff,           /* dst_mask */
+         true),                        /* pcrel_offset */
+
+  /* End of relocs used in ARM Linux */
 
   HOWTO (R_ARM_RREL32,         /* type */
         0,                     /* rightshift */
@@ -258,7 +466,7 @@ static reloc_howto_type elf32_arm_howto_table[] =
         0,                     /* bitsize */
         false,                 /* pc_relative */
         0,                     /* bitpos */
-        complain_overflow_dont,        /* complain_on_overflow */
+        complain_overflow_dont,/* complain_on_overflow */
         bfd_elf_generic_reloc, /* special_function */
         "R_ARM_RREL32",        /* name */
         false,                 /* partial_inplace */
@@ -272,7 +480,7 @@ static reloc_howto_type elf32_arm_howto_table[] =
         0,                     /* bitsize */
         false,                 /* pc_relative */
         0,                     /* bitpos */
-        complain_overflow_dont,        /* complain_on_overflow */
+        complain_overflow_dont,/* complain_on_overflow */
         bfd_elf_generic_reloc, /* special_function */
         "R_ARM_RABS32",        /* name */
         false,                 /* partial_inplace */
@@ -286,7 +494,7 @@ static reloc_howto_type elf32_arm_howto_table[] =
         0,                     /* bitsize */
         false,                 /* pc_relative */
         0,                     /* bitpos */
-        complain_overflow_dont,        /* complain_on_overflow */
+        complain_overflow_dont,/* complain_on_overflow */
         bfd_elf_generic_reloc, /* special_function */
         "R_ARM_RPC24",         /* name */
         false,                 /* partial_inplace */
@@ -300,7 +508,7 @@ static reloc_howto_type elf32_arm_howto_table[] =
         0,                     /* bitsize */
         false,                 /* pc_relative */
         0,                     /* bitpos */
-        complain_overflow_dont,        /* complain_on_overflow */
+        complain_overflow_dont,/* complain_on_overflow */
         bfd_elf_generic_reloc, /* special_function */
         "R_ARM_RBASE",         /* name */
         false,                 /* partial_inplace */
@@ -374,25 +582,194 @@ static reloc_howto_type elf32_arm_thm_pc9_howto =
         0x000000ff,            /* dst_mask */
         true);                 /* pcrel_offset */
 
+static void elf32_arm_info_to_howto
+  PARAMS ((bfd *, arelent *, Elf32_Internal_Rel *));
+
 static void
-elf32_arm_info_to_howto_rel (abfd, bfd_reloc, elf_reloc)
+elf32_arm_info_to_howto (abfd, bfd_reloc, elf_reloc)
+     bfd * abfd ATTRIBUTE_UNUSED;
+     arelent * bfd_reloc;
+     Elf32_Internal_Rel * elf_reloc;
+{
+  unsigned int r_type;
+
+  r_type = ELF32_R_TYPE (elf_reloc->r_info);
+
+  switch (r_type)
+    {
+    case R_ARM_GNU_VTINHERIT:
+      bfd_reloc->howto = & elf32_arm_vtinherit_howto;
+      break;
+
+    case R_ARM_GNU_VTENTRY:
+      bfd_reloc->howto = & elf32_arm_vtentry_howto;
+      break;
+
+    case R_ARM_THM_PC11:
+      bfd_reloc->howto = & elf32_arm_thm_pc11_howto;
+      break;
+
+    case R_ARM_THM_PC9:
+      bfd_reloc->howto = & elf32_arm_thm_pc9_howto;
+      break;
+
+    default:
+      if (r_type >= NUM_ELEM (elf32_arm_howto_table))
+       bfd_reloc->howto = NULL;
+      else
+        bfd_reloc->howto = & elf32_arm_howto_table[r_type];
+      break;
+    }
+}
+
+struct elf32_arm_reloc_map
+  {
+    bfd_reloc_code_real_type  bfd_reloc_val;
+    unsigned char             elf_reloc_val;
+  };
+
+static const struct elf32_arm_reloc_map elf32_arm_reloc_map[] =
+  {
+    {BFD_RELOC_NONE,                 R_ARM_NONE},
+    {BFD_RELOC_ARM_PCREL_BRANCH,     R_ARM_PC24},
+    {BFD_RELOC_ARM_PCREL_BLX,        R_ARM_XPC25},
+    {BFD_RELOC_THUMB_PCREL_BLX,      R_ARM_THM_XPC22},
+    {BFD_RELOC_32,                   R_ARM_ABS32},
+    {BFD_RELOC_32_PCREL,             R_ARM_REL32},
+    {BFD_RELOC_8,                    R_ARM_ABS8},
+    {BFD_RELOC_16,                   R_ARM_ABS16},
+    {BFD_RELOC_ARM_OFFSET_IMM,       R_ARM_ABS12},
+    {BFD_RELOC_ARM_THUMB_OFFSET,     R_ARM_THM_ABS5},
+    {BFD_RELOC_THUMB_PCREL_BRANCH23, R_ARM_THM_PC22},
+    {BFD_RELOC_ARM_COPY,             R_ARM_COPY},
+    {BFD_RELOC_ARM_GLOB_DAT,         R_ARM_GLOB_DAT},
+    {BFD_RELOC_ARM_JUMP_SLOT,        R_ARM_JUMP_SLOT},
+    {BFD_RELOC_ARM_RELATIVE,         R_ARM_RELATIVE},
+    {BFD_RELOC_ARM_GOTOFF,           R_ARM_GOTOFF},
+    {BFD_RELOC_ARM_GOTPC,            R_ARM_GOTPC},
+    {BFD_RELOC_ARM_GOT32,            R_ARM_GOT32},
+    {BFD_RELOC_ARM_PLT32,            R_ARM_PLT32}
+  };
+
+static reloc_howto_type *
+elf32_arm_reloc_type_lookup (abfd, code)
+     bfd *abfd ATTRIBUTE_UNUSED;
+     bfd_reloc_code_real_type code;
+{
+  unsigned int i;
+
+  switch (code)
+    {
+    case BFD_RELOC_VTABLE_INHERIT:
+      return & elf32_arm_vtinherit_howto;
+
+    case BFD_RELOC_VTABLE_ENTRY:
+      return & elf32_arm_vtentry_howto;
+
+    case BFD_RELOC_THUMB_PCREL_BRANCH12:
+      return & elf32_arm_thm_pc11_howto;
+
+    case BFD_RELOC_THUMB_PCREL_BRANCH9:
+      return & elf32_arm_thm_pc9_howto;
+
+    default:
+      for (i = 0; i < NUM_ELEM (elf32_arm_reloc_map); i ++)
+       if (elf32_arm_reloc_map[i].bfd_reloc_val == code)
+         return & elf32_arm_howto_table[elf32_arm_reloc_map[i].elf_reloc_val];
+
+      return NULL;
+   }
+}
+
+/* Support for core dump NOTE sections */
+static boolean
+elf32_arm_nabi_grok_prstatus (abfd, note)
      bfd *abfd;
-     arelent *bfd_reloc;
-     Elf32_Internal_Rel *elf_reloc;
+     Elf_Internal_Note *note;
 {
-     unsigned int r_type;
-
-     r_type = ELF32_R_TYPE (elf_reloc->r_info);
-     if (r_type == R_ARM_GNU_VTINHERIT)
-       bfd_reloc->howto = &elf32_arm_vtinherit_howto;
-     else if (r_type == R_ARM_GNU_VTENTRY)
-       bfd_reloc->howto = &elf32_arm_vtentry_howto;
-     else if (r_type == R_ARM_THM_PC11)
-      bfd_reloc->howto = &elf32_arm_thm_pc11_howto;
-    else if (r_type == R_ARM_THM_PC9)
-      bfd_reloc->howto = &elf32_arm_thm_pc9_howto;
-     else
-       bfd_reloc->howto = &elf32_arm_howto_table[r_type];
+  int offset;
+  size_t raw_size;
+
+  switch (note->descsz)
+    {
+      default:
+       return false;
+
+      case 148:                /* Linux/ARM 32-bit*/
+       /* pr_cursig */
+       elf_tdata (abfd)->core_signal = bfd_get_16 (abfd, note->descdata + 12);
+
+       /* pr_pid */
+       elf_tdata (abfd)->core_pid = bfd_get_32 (abfd, note->descdata + 24);
+
+       /* pr_reg */
+       offset = 72;
+       raw_size = 72;
+
+       break;
+    }
+
+  /* Make a ".reg/999" section.  */
+  return _bfd_elfcore_make_pseudosection (abfd, ".reg",
+                                         raw_size, note->descpos + offset);
 }
+
+static boolean
+elf32_arm_nabi_grok_psinfo (abfd, note)
+     bfd *abfd;
+     Elf_Internal_Note *note;
+{
+  switch (note->descsz)
+    {
+      default:
+       return false;
+
+      case 124:                /* Linux/ARM elf_prpsinfo */
+       elf_tdata (abfd)->core_program
+        = _bfd_elfcore_strndup (abfd, note->descdata + 28, 16);
+       elf_tdata (abfd)->core_command
+        = _bfd_elfcore_strndup (abfd, note->descdata + 44, 80);
+    }
+
+  /* Note that for some reason, a spurious space is tacked
+     onto the end of the args in some (at least one anyway)
+     implementations, so strip it off if it exists.  */
+
+  {
+    char *command = elf_tdata (abfd)->core_command;
+    int n = strlen (command);
+
+    if (0 < n && command[n - 1] == ' ')
+      command[n - 1] = '\0';
+  }
+
+  return true;
+}
+
+#define elf_backend_grok_prstatus      elf32_arm_nabi_grok_prstatus
+#define elf_backend_grok_psinfo                elf32_arm_nabi_grok_psinfo
+
 #include "elf32-arm.h"
+
+/* QNX support.  */
+#include "elf32-qnx.h"
+
+#undef TARGET_LITTLE_SYM 
+#define        TARGET_LITTLE_SYM               bfd_elf32_littlearmqnx_vec
+#undef TARGET_LITTLE_NAME
+#define        TARGET_LITTLE_NAME              "elf32-littlearm-nto"
+#undef TARGET_BIG_SYM
+#define        TARGET_BIG_SYM                  bfd_elf32_bigarmqnx_vec
+#undef TARGET_BIG_NAME
+#define        TARGET_BIG_NAME                 "elf32-bigarm-nto"
+#undef ELF_MAXPAGESIZE
+#define        ELF_MAXPAGESIZE                 0x1000
+
+#define        elf32_bed                       elf32_arm_qnx_bed
+
+#include "elf32-target.h"
+
+#undef elf_backend_set_nonloadable_filepos
+#undef elf_backend_is_contained_by_filepos
+#undef elf_backend_copy_private_bfd_data_p
+#undef elf32_bed
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