#include "opcode/arc.h"
#include "arc-plt.h"
+#define FEATURE_LIST_NAME bfd_feature_list
+#define CONFLICT_LIST bfd_conflict_list
+#include "opcode/arc-attrs.h"
+
/* #define ARC_ENABLE_DEBUG 1 */
#ifdef ARC_ENABLE_DEBUG
static const char *
Elf_Internal_Rela _rel; \
bfd_byte * _loc; \
\
- BFD_ASSERT (_htab->srel##SECTION &&_htab->srel##SECTION->contents); \
- _loc = _htab->srel##SECTION->contents \
- + ((_htab->srel##SECTION->reloc_count) \
- * sizeof (Elf32_External_Rela)); \
- _htab->srel##SECTION->reloc_count++; \
- _rel.r_addend = ADDEND; \
- _rel.r_offset = (_htab->s##SECTION)->output_section->vma \
- + (_htab->s##SECTION)->output_offset + OFFSET; \
- BFD_ASSERT ((long) SYM_IDX != -1); \
- _rel.r_info = ELF32_R_INFO (SYM_IDX, TYPE); \
- bfd_elf32_swap_reloca_out (BFD, &_rel, _loc); \
+ if (_htab->dynamic_sections_created == TRUE) \
+ { \
+ BFD_ASSERT (_htab->srel##SECTION &&_htab->srel##SECTION->contents); \
+ _loc = _htab->srel##SECTION->contents \
+ + ((_htab->srel##SECTION->reloc_count) \
+ * sizeof (Elf32_External_Rela)); \
+ _htab->srel##SECTION->reloc_count++; \
+ _rel.r_addend = ADDEND; \
+ _rel.r_offset = (_htab->s##SECTION)->output_section->vma \
+ + (_htab->s##SECTION)->output_offset + OFFSET; \
+ BFD_ASSERT ((long) SYM_IDX != -1); \
+ _rel.r_info = ELF32_R_INFO (SYM_IDX, TYPE); \
+ bfd_elf32_swap_reloca_out (BFD, &_rel, _loc); \
+ } \
}
case E_ARC_OSABI_ORIG : fprintf (file, " (ABI:legacy)"); break;
case E_ARC_OSABI_V2 : fprintf (file, " (ABI:v2)"); break;
case E_ARC_OSABI_V3 : fprintf (file, " (ABI:v3)"); break;
+ case E_ARC_OSABI_V4 : fprintf (file, " (ABI:v4)"); break;
default:
- fprintf (file, "(ABI:unknown)");
+ fprintf (file, " (ABI:unknown)");
break;
}
cache_ptr->howto = arc_elf_howto (r_type);
}
+/* Extract CPU features from an NTBS. */
+
+static unsigned
+arc_extract_features (const char *p)
+{
+ unsigned i, r = 0;
+
+ if (!p)
+ return 0;
+
+ for (i = 0; i < ARRAY_SIZE (bfd_feature_list); i++)
+ {
+ char *t = strstr (p, bfd_feature_list[i].attr);
+ unsigned l = strlen (bfd_feature_list[i].attr);
+ if ((t != NULL)
+ && (t[l] == ','
+ || t[l] == '\0'))
+ r |= bfd_feature_list[i].feature;
+ }
+
+ return r;
+}
+
+/* Concatenate two strings. s1 can be NULL but not
+ s2. */
+
+static char *
+arc_stralloc (char * s1, const char * s2)
+{
+ char *p;
+
+ /* Only s1 can be null. */
+ BFD_ASSERT (s2);
+
+ p = s1 ? concat (s1, ",", s2, NULL) : (char *)s2;
+
+ return p;
+}
+
+/* Merge ARC object attributes from IBFD into OBFD. Raise an error if
+ there are conflicting attributes. */
+
+static bfd_boolean
+arc_elf_merge_attributes (bfd *ibfd, struct bfd_link_info *info)
+{
+ bfd *obfd = info->output_bfd;
+ obj_attribute *in_attr;
+ obj_attribute *out_attr;
+ int i;
+ bfd_boolean result = TRUE;
+ const char *sec_name = get_elf_backend_data (ibfd)->obj_attrs_section;
+ char *tagname = NULL;
+
+ /* Skip the linker stubs file. This preserves previous behavior
+ of accepting unknown attributes in the first input file - but
+ is that a bug? */
+ if (ibfd->flags & BFD_LINKER_CREATED)
+ return TRUE;
+
+ /* Skip any input that hasn't attribute section.
+ This enables to link object files without attribute section with
+ any others. */
+ if (bfd_get_section_by_name (ibfd, sec_name) == NULL)
+ return TRUE;
+
+ if (!elf_known_obj_attributes_proc (obfd)[0].i)
+ {
+ /* This is the first object. Copy the attributes. */
+ _bfd_elf_copy_obj_attributes (ibfd, obfd);
+
+ out_attr = elf_known_obj_attributes_proc (obfd);
+
+ /* Use the Tag_null value to indicate the attributes have been
+ initialized. */
+ out_attr[0].i = 1;
+
+ return TRUE;
+ }
+
+ in_attr = elf_known_obj_attributes_proc (ibfd);
+ out_attr = elf_known_obj_attributes_proc (obfd);
+
+ for (i = LEAST_KNOWN_OBJ_ATTRIBUTE; i < NUM_KNOWN_OBJ_ATTRIBUTES; i++)
+ {
+ /* Merge this attribute with existing attributes. */
+ switch (i)
+ {
+ case Tag_ARC_PCS_config:
+ if (out_attr[i].i == 0)
+ out_attr[i].i = in_attr[i].i;
+ else if (in_attr[i].i != 0 && out_attr[i].i != in_attr[i].i)
+ {
+ const char *tagval[] = { "Absent", "Bare-metal/mwdt",
+ "Bare-metal/newlib", "Linux/uclibc",
+ "Linux/glibc" };
+ BFD_ASSERT (in_attr[i].i < 5);
+ BFD_ASSERT (out_attr[i].i < 5);
+ /* It's sometimes ok to mix different configs, so this is only
+ a warning. */
+ _bfd_error_handler
+ (_("Warning: %B: Conflicting platform configuration "
+ "%s with %s.\n"), ibfd,
+ tagval[in_attr[i].i],
+ tagval[out_attr[i].i]);
+ }
+ break;
+
+ case Tag_ARC_CPU_base:
+ if (out_attr[i].i == 0)
+ out_attr[i].i = in_attr[i].i;
+ else if (in_attr[i].i != 0 && out_attr[i].i != in_attr[i].i
+ && ((out_attr[i].i + in_attr[i].i) < 6))
+ {
+ const char *tagval[] = { "Absent", "ARC6xx", "ARC7xx",
+ "ARCEM", "ARCHS" };
+ BFD_ASSERT (in_attr[i].i < 5);
+ BFD_ASSERT (out_attr[i].i < 5);
+ /* We cannot mix code for different CPUs. */
+ _bfd_error_handler
+ (_("error: %B: unable to merge CPU base attributes "
+ "%s with %s.\n"),
+ obfd,
+ tagval[in_attr[i].i],
+ tagval[out_attr[i].i]);
+ result = FALSE;
+ break;
+ }
+ else
+ {
+ /* The CPUs may be different, check if we can still mix
+ the objects against the output choosen CPU. */
+ unsigned in_feature = 0;
+ unsigned out_feature = 0;
+ char *p1 = in_attr[Tag_ARC_ISA_config].s;
+ char *p2 = out_attr[Tag_ARC_ISA_config].s;
+ unsigned j;
+ unsigned cpu_out;
+ unsigned opcode_map[] = {0, ARC_OPCODE_ARC600, ARC_OPCODE_ARC700,
+ ARC_OPCODE_ARCv2EM, ARC_OPCODE_ARCv2HS};
+
+ BFD_ASSERT (in_attr[i].i < (sizeof (opcode_map)
+ / sizeof (unsigned)));
+ BFD_ASSERT (out_attr[i].i < (sizeof (opcode_map)
+ / sizeof (unsigned)));
+ cpu_out = opcode_map[out_attr[i].i];
+
+ in_feature = arc_extract_features (p1);
+ out_feature = arc_extract_features (p2);
+
+ /* First, check if a feature is compatible with the
+ output object chosen CPU. */
+ for (j = 0; j < ARRAY_SIZE (bfd_feature_list); j++)
+ if (((in_feature | out_feature) & bfd_feature_list[j].feature)
+ && (!(cpu_out & bfd_feature_list[j].cpus)))
+ {
+ _bfd_error_handler
+ (_("error: %B: unable to merge ISA extension attributes "
+ "%s.\n"),
+ obfd, bfd_feature_list[j].name);
+ result = FALSE;
+ break;
+ }
+ /* Second, if we have compatible features with the
+ chosen CPU, check if they are compatible among
+ them. */
+ for (j = 0; j < ARRAY_SIZE (bfd_conflict_list); j++)
+ if (((in_feature | out_feature) & bfd_conflict_list[j])
+ == bfd_conflict_list[j])
+ {
+ unsigned k;
+ for (k = 0; k < ARRAY_SIZE (bfd_feature_list); k++)
+ {
+ if (in_feature & bfd_feature_list[k].feature
+ & bfd_conflict_list[j])
+ p1 = (char *) bfd_feature_list[k].name;
+ if (out_feature & bfd_feature_list[k].feature
+ & bfd_conflict_list[j])
+ p2 = (char *) bfd_feature_list[k].name;
+ }
+ _bfd_error_handler
+ (_("error: %B: conflicting ISA extension attributes "
+ "%s with %s.\n"),
+ obfd, p1, p2);
+ result = FALSE;
+ break;
+ }
+ /* Everithing is alright. */
+ out_feature |= in_feature;
+ p1 = NULL;
+ for (j = 0; j < ARRAY_SIZE (bfd_feature_list); j++)
+ if (out_feature & bfd_feature_list[j].feature)
+ p1 = arc_stralloc (p1, bfd_feature_list[j].attr);
+ if (p1)
+ out_attr[Tag_ARC_ISA_config].s =
+ _bfd_elf_attr_strdup (obfd, p1);
+ }
+ /* Fall through. */
+ case Tag_ARC_CPU_variation:
+ case Tag_ARC_ISA_mpy_option:
+ case Tag_ARC_ABI_osver:
+ /* Use the largest value specified. */
+ if (in_attr[i].i > out_attr[i].i)
+ out_attr[i].i = in_attr[i].i;
+ break;
+
+ case Tag_ARC_CPU_name:
+ break;
+
+ case Tag_ARC_ABI_rf16:
+ if (out_attr[i].i == 0)
+ out_attr[i].i = in_attr[i].i;
+ else if (out_attr[i].i != in_attr[i].i)
+ {
+ /* We cannot mix code with rf16 and without. */
+ _bfd_error_handler
+ (_("error: %B: cannot mix rf16 with full register set %B.\n"),
+ obfd, ibfd);
+ result = FALSE;
+ }
+ break;
+
+ case Tag_ARC_ABI_pic:
+ tagname = "PIC";
+ /* fall through */
+ case Tag_ARC_ABI_sda:
+ if (!tagname)
+ tagname = "SDA";
+ /* fall through */
+ case Tag_ARC_ABI_tls:
+ {
+ const char *tagval[] = { "Absent", "MWDT", "GNU" };
+
+ if (!tagname)
+ tagname = "TLS";
+
+ BFD_ASSERT (in_attr[i].i < 3);
+ BFD_ASSERT (out_attr[i].i < 3);
+ if (out_attr[i].i != 0 && in_attr[i].i != 0
+ && out_attr[i].i != in_attr[i].i)
+ {
+ _bfd_error_handler
+ (_("error: %B: conflicting attributes %s: %s with %s.\n"),
+ obfd, tagname,
+ tagval[in_attr[i].i],
+ tagval[out_attr[i].i]);
+ result = FALSE;
+ }
+ tagname = NULL;
+ break;
+ }
+
+ case Tag_ARC_ABI_double_size:
+ tagname = "Double size";
+ /* fall through */
+ case Tag_ARC_ABI_enumsize:
+ if (!tagname)
+ tagname = "Enum size";
+ /* fall through */
+ case Tag_ARC_ABI_exceptions:
+ if (!tagname)
+ tagname = "ABI exceptions";
+
+ if (out_attr[i].i != 0 && in_attr[i].i != 0
+ && out_attr[i].i != in_attr[i].i)
+ {
+ _bfd_error_handler
+ (_("error: %B: conflicting attributes %s.\n"),
+ obfd, tagname);
+ result = FALSE;
+ }
+ break;
+
+ case Tag_ARC_ISA_apex:
+ break; /* Do nothing for APEX attributes. */
+
+ case Tag_ARC_ISA_config:
+ /* It is handled in Tag_ARC_CPU_base. */
+ break;
+
+ default:
+ result
+ = result && _bfd_elf_merge_unknown_attribute_low (ibfd, obfd, i);
+ }
+
+ /* If out_attr was copied from in_attr then it won't have a type yet. */
+ if (in_attr[i].type && !out_attr[i].type)
+ out_attr[i].type = in_attr[i].type;
+ }
+
+ /* Merge Tag_compatibility attributes and any common GNU ones. */
+ if (!_bfd_elf_merge_object_attributes (ibfd, info))
+ return FALSE;
+
+ /* Check for any attributes not known on ARC. */
+ result &= _bfd_elf_merge_unknown_attribute_list (ibfd, obfd);
+
+ return result;
+}
+
/* Merge backend specific data from an object file to the output
object file when linking. */
if (! _bfd_generic_verify_endian_match (ibfd, info))
return FALSE;
+ if (bfd_get_flavour (ibfd) != bfd_target_elf_flavour
+ || bfd_get_flavour (obfd) != bfd_target_elf_flavour)
+ return TRUE;
+
/* Collect ELF flags. */
in_flags = elf_elfheader (ibfd)->e_flags & EF_ARC_MACH_MSK;
out_flags = elf_elfheader (obfd)->e_flags & EF_ARC_MACH_MSK;
out_flags = in_flags;
}
- if (bfd_get_flavour (ibfd) != bfd_target_elf_flavour
- || bfd_get_flavour (obfd) != bfd_target_elf_flavour)
- return TRUE;
+ if (!arc_elf_merge_attributes (ibfd, info))
+ return FALSE;
/* Check to see if the input BFD actually contains any sections. Do
not short-circuit dynamic objects; their section list may be
ibfd, obfd);
return FALSE;
}
- else if (in_flags != out_flags)
+ else if ((in_flags != out_flags)
+ /* If we have object attributes, then we already
+ checked the objects compatibility, skip it. */
+ && !bfd_elf_get_obj_attr_int (ibfd, OBJ_ATTR_PROC,
+ Tag_ARC_CPU_base))
{
/* Warn if different flags. */
_bfd_error_handler
eflags set by gcc. */
in_flags = in_flags > out_flags ? in_flags : out_flags;
}
+ else
+ {
+ /* Everything is correct; don't change the output flags. */
+ in_flags = out_flags;
+ }
}
/* Update the flags. */
return TRUE;
}
+/* Return a best guess for the machine number based on the attributes. */
+
+static unsigned int
+bfd_arc_get_mach_from_attributes (bfd * abfd)
+{
+ int arch = bfd_elf_get_obj_attr_int (abfd, OBJ_ATTR_PROC, Tag_ARC_CPU_base);
+ unsigned e_machine = elf_elfheader (abfd)->e_machine;
+
+ switch (arch)
+ {
+ case TAG_CPU_ARC6xx:
+ return bfd_mach_arc_arc600;
+ case TAG_CPU_ARC7xx:
+ return bfd_mach_arc_arc700;
+ case TAG_CPU_ARCEM:
+ case TAG_CPU_ARCHS:
+ return bfd_mach_arc_arcv2;
+ default:
+ break;
+ }
+ return (e_machine == EM_ARC_COMPACT)
+ ? bfd_mach_arc_arc700 : bfd_mach_arc_arcv2;
+}
+
/* Set the right machine number for an ARC ELF file. */
static bfd_boolean
arc_elf_object_p (bfd * abfd)
/* Make sure this is initialised, or you'll have the potential of passing
garbage---or misleading values---into the call to
bfd_default_set_arch_mach (). */
- int mach = bfd_mach_arc_arc700;
+ unsigned int mach = bfd_mach_arc_arc700;
unsigned long arch = elf_elfheader (abfd)->e_flags & EF_ARC_MACH_MSK;
unsigned e_machine = elf_elfheader (abfd)->e_machine;
mach = bfd_mach_arc_arcv2;
break;
default:
- mach = (e_machine == EM_ARC_COMPACT)
- ? bfd_mach_arc_arc700 : bfd_mach_arc_arcv2;
+ mach = bfd_arc_get_mach_from_attributes (abfd);
break;
}
}
bfd_boolean linker ATTRIBUTE_UNUSED)
{
unsigned long emf;
+ int osver = bfd_elf_get_obj_attr_int (abfd, OBJ_ATTR_PROC,
+ Tag_ARC_ABI_osver);
+ flagword e_flags = elf_elfheader (abfd)->e_flags & ~EF_ARC_OSABI_MSK;
switch (bfd_get_mach (abfd))
{
emf = EM_ARC_COMPACT2;
break;
default:
- goto DO_NOTHING;
+ return;
}
elf_elfheader (abfd)->e_machine = emf;
/* Record whatever is the current syscall ABI version. */
- elf_elfheader (abfd)->e_flags |= E_ARC_OSABI_CURRENT;
+ if (osver)
+ e_flags |= ((osver & 0x0f) << 8);
+ else
+ e_flags |= E_ARC_OSABI_V3;
-DO_NOTHING:
- return;
+ elf_elfheader (abfd)->e_flags |= e_flags;
}
#ifdef ARC_ENABLE_DEBUG
struct elf_link_hash_table *htab ATTRIBUTE_UNUSED = elf_hash_table (info);
bfd_reloc_status_type flag;
- if (reloc_data.should_relocate == FALSE)
+ if (!reloc_data.should_relocate)
return bfd_reloc_ok;
switch (reloc_data.howto->size)
h2 = elf_link_hash_lookup (elf_hash_table (info), "__SDATA_BEGIN__",
FALSE, FALSE, TRUE);
- if (reloc_data.sdata_begin_symbol_vma_set == FALSE
- && h2 != NULL && h2->root.type != bfd_link_hash_undefined
- && h2->root.u.def.section->output_section != NULL)
+ if (!reloc_data.sdata_begin_symbol_vma_set
+ && h2 != NULL && h2->root.type != bfd_link_hash_undefined
+ && h2->root.u.def.section->output_section != NULL)
/* TODO: Verify this condition. */
{
reloc_data.sdata_begin_symbol_vma =
while (h->root.type == bfd_link_hash_indirect
|| h->root.type == bfd_link_hash_warning)
+ {
+ struct elf_link_hash_entry *h_old = h;
h = (struct elf_link_hash_entry *) h->root.u.i.link;
+ if (h->got.glist == 0 && h_old->got.glist != h->got.glist)
+ h->got.glist = h_old->got.glist;
+ }
/* TODO: Need to validate what was the intention. */
/* BFD_ASSERT ((h->dynindx == -1) || (h->forced_local != 0)); */
}
}
+
+#define IS_ARC_PCREL_TYPE(TYPE) \
+ ( (TYPE == R_ARC_PC32) \
+ || (TYPE == R_ARC_32_PCREL))
+
switch (r_type)
{
case R_ARC_32:
case R_ARC_32_ME:
case R_ARC_PC32:
case R_ARC_32_PCREL:
- if ((bfd_link_pic (info))
- && ((r_type != R_ARC_PC32 && r_type != R_ARC_32_PCREL)
+ if (bfd_link_pic (info)
+ && (!IS_ARC_PCREL_TYPE (r_type)
|| (h != NULL
&& h->dynindx != -1
+ && !h->def_regular
&& (!info->symbolic || !h->def_regular))))
{
Elf_Internal_Rela outrel;
info,
input_section,
rel->r_offset);
+
if (outrel.r_offset == (bfd_vma) -1)
skip = TRUE;
outrel.r_offset += (input_section->output_section->vma
+ input_section->output_offset);
-#define IS_ARC_PCREL_TYPE(TYPE) \
- ( (TYPE == R_ARC_PC32) \
- || (TYPE == R_ARC_32_PCREL))
-
if (skip)
{
memset (&outrel, 0, sizeof outrel);
}
else if (h != NULL
&& h->dynindx != -1
- && ((IS_ARC_PCREL_TYPE (r_type))
- || !(bfd_link_executable (info)
- || SYMBOLIC_BIND (info, h))
- || ! h->def_regular))
+ && (IS_ARC_PCREL_TYPE (r_type)
+ || !(bfd_link_executable (info)
+ || SYMBOLIC_BIND (info, h))
+ || ! h->def_regular))
{
BFD_ASSERT (h != NULL);
if ((input_section->flags & SEC_ALLOC) != 0)
bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
- if (relocate == FALSE)
+ if (!relocate)
continue;
}
break;
}
if (is_reloc_SDA_relative (howto)
- && (reloc_data.sdata_begin_symbol_vma_set == FALSE))
+ && !reloc_data.sdata_begin_symbol_vma_set)
{
_bfd_error_handler
("Error: Linker symbol __SDATA_BEGIN__ not found");
howto = arc_elf_howto (r_type);
if (dynobj == NULL
- && (is_reloc_for_GOT (howto) == TRUE
- || is_reloc_for_TLS (howto) == TRUE))
+ && (is_reloc_for_GOT (howto)
+ || is_reloc_for_TLS (howto)))
{
dynobj = elf_hash_table (info)->dynobj = abfd;
if (! _bfd_elf_create_got_section (abfd, info))
and the dynamic linker can not resolve these. However
the error should not occur for e.g. debugging or
non-readonly sections. */
- if ((bfd_link_dll (info) && !bfd_link_pie (info))
+ if (h != NULL
+ && (bfd_link_dll (info) && !bfd_link_pie (info))
&& (sec->flags & SEC_ALLOC) != 0
&& (sec->flags & SEC_READONLY) != 0
&& ((sec->flags & SEC_CODE) != 0
break;
}
- if (is_reloc_for_PLT (howto) == TRUE)
+ if (is_reloc_for_PLT (howto))
{
if (h == NULL)
continue;
}
/* Add info to the symbol got_entry_list. */
- if (is_reloc_for_GOT (howto) == TRUE
- || is_reloc_for_TLS (howto) == TRUE)
+ if (is_reloc_for_GOT (howto)
+ || is_reloc_for_TLS (howto))
{
arc_fill_got_info_for_reloc (
arc_got_entry_type_for_reloc (howto),
note->descpos + offset);
}
+/* Determine whether an object attribute tag takes an integer, a
+ string or both. */
+
+static int
+elf32_arc_obj_attrs_arg_type (int tag)
+{
+ if (tag == Tag_ARC_CPU_name
+ || tag == Tag_ARC_ISA_config
+ || tag == Tag_ARC_ISA_apex)
+ return ATTR_TYPE_FLAG_STR_VAL;
+ else if (tag < (Tag_ARC_ISA_mpy_option + 1))
+ return ATTR_TYPE_FLAG_INT_VAL;
+ else
+ return (tag & 1) != 0 ? ATTR_TYPE_FLAG_STR_VAL : ATTR_TYPE_FLAG_INT_VAL;
+}
+
+/* Attribute numbers >=14 can be safely ignored. */
+
+static bfd_boolean
+elf32_arc_obj_attrs_handle_unknown (bfd *abfd, int tag)
+{
+ if ((tag & 127) < (Tag_ARC_ISA_mpy_option + 1))
+ {
+ _bfd_error_handler
+ (_("%B: Unknown mandatory ARC object attribute %d."),
+ abfd, tag);
+ bfd_set_error (bfd_error_bad_value);
+ return FALSE;
+ }
+ else
+ {
+ _bfd_error_handler
+ (_("Warning: %B: Unknown ARC object attribute %d."),
+ abfd, tag);
+ return TRUE;
+ }
+}
+
+/* Handle an ARC specific section when reading an object file. This is
+ called when bfd_section_from_shdr finds a section with an unknown
+ type. */
+
+static bfd_boolean
+elf32_arc_section_from_shdr (bfd *abfd,
+ Elf_Internal_Shdr * hdr,
+ const char *name,
+ int shindex)
+{
+ switch (hdr->sh_type)
+ {
+ case SHT_ARC_ATTRIBUTES:
+ break;
+
+ default:
+ return FALSE;
+ }
+
+ if (!_bfd_elf_make_section_from_shdr (abfd, hdr, name, shindex))
+ return FALSE;
+
+ return TRUE;
+}
+
#define TARGET_LITTLE_SYM arc_elf32_le_vec
#define TARGET_LITTLE_NAME "elf32-littlearc"
#define TARGET_BIG_SYM arc_elf32_be_vec
#define elf_backend_default_execstack 0
+#undef elf_backend_obj_attrs_vendor
+#define elf_backend_obj_attrs_vendor "ARC"
+#undef elf_backend_obj_attrs_section
+#define elf_backend_obj_attrs_section ".ARC.attributes"
+#undef elf_backend_obj_attrs_arg_type
+#define elf_backend_obj_attrs_arg_type elf32_arc_obj_attrs_arg_type
+#undef elf_backend_obj_attrs_section_type
+#define elf_backend_obj_attrs_section_type SHT_ARC_ATTRIBUTES
+#define elf_backend_obj_attrs_handle_unknown elf32_arc_obj_attrs_handle_unknown
+
+#define elf_backend_section_from_shdr elf32_arc_section_from_shdr
+
#include "elf32-target.h"
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