/* SPARC-specific support for 32-bit ELF
- Copyright (C) 1993-2015 Free Software Foundation, Inc.
+ Copyright (C) 1993-2020 Free Software Foundation, Inc.
This file is part of BFD, the Binary File Descriptor library.
object file when linking. */
static bfd_boolean
-elf32_sparc_merge_private_bfd_data (bfd *ibfd, bfd *obfd)
+elf32_sparc_merge_private_bfd_data (bfd *ibfd, struct bfd_link_info *info)
{
+ bfd *obfd = info->output_bfd;
bfd_boolean error;
unsigned long ibfd_mach;
/* FIXME: This should not be static. */
if (bfd_mach_sparc_64bit_p (ibfd_mach))
{
error = TRUE;
- (*_bfd_error_handler)
- (_("%B: compiled for a 64 bit system and target is 32 bit"), ibfd);
+ _bfd_error_handler
+ (_("%pB: compiled for a 64 bit system and target is 32 bit"), ibfd);
}
else if ((ibfd->flags & DYNAMIC) == 0)
{
!= previous_ibfd_e_flags)
&& previous_ibfd_e_flags != (unsigned long) -1)
{
- (*_bfd_error_handler)
- (_("%B: linking little endian files with big endian files"), ibfd);
+ _bfd_error_handler
+ (_("%pB: linking little endian files with big endian files"), ibfd);
error = TRUE;
}
previous_ibfd_e_flags = elf_elfheader (ibfd)->e_flags & EF_SPARC_LEDATA;
return FALSE;
}
- return _bfd_sparc_elf_merge_private_bfd_data (ibfd, obfd);
+ return _bfd_sparc_elf_merge_private_bfd_data (ibfd, info);
}
/* The final processing done just before writing out the object file.
We need to set the e_machine field appropriately. */
static void
-elf32_sparc_final_write_processing (bfd *abfd,
- bfd_boolean linker ATTRIBUTE_UNUSED)
+sparc_final_write_processing (bfd *abfd)
{
switch (bfd_get_mach (abfd))
{
- case bfd_mach_sparc :
- case bfd_mach_sparc_sparclet :
- case bfd_mach_sparc_sparclite :
+ case bfd_mach_sparc:
+ case bfd_mach_sparc_sparclet:
+ case bfd_mach_sparc_sparclite:
break; /* nothing to do */
- case bfd_mach_sparc_v8plus :
+ case bfd_mach_sparc_v8plus:
elf_elfheader (abfd)->e_machine = EM_SPARC32PLUS;
elf_elfheader (abfd)->e_flags &=~ EF_SPARC_32PLUS_MASK;
elf_elfheader (abfd)->e_flags |= EF_SPARC_32PLUS;
break;
- case bfd_mach_sparc_v8plusa :
+ case bfd_mach_sparc_v8plusa:
elf_elfheader (abfd)->e_machine = EM_SPARC32PLUS;
elf_elfheader (abfd)->e_flags &=~ EF_SPARC_32PLUS_MASK;
elf_elfheader (abfd)->e_flags |= EF_SPARC_32PLUS | EF_SPARC_SUN_US1;
break;
- case bfd_mach_sparc_v8plusb :
+ case bfd_mach_sparc_v8plusb:
+ case bfd_mach_sparc_v8plusc:
+ case bfd_mach_sparc_v8plusd:
+ case bfd_mach_sparc_v8pluse:
+ case bfd_mach_sparc_v8plusv:
+ case bfd_mach_sparc_v8plusm:
+ case bfd_mach_sparc_v8plusm8:
elf_elfheader (abfd)->e_machine = EM_SPARC32PLUS;
elf_elfheader (abfd)->e_flags &=~ EF_SPARC_32PLUS_MASK;
elf_elfheader (abfd)->e_flags |= EF_SPARC_32PLUS | EF_SPARC_SUN_US1
| EF_SPARC_SUN_US3;
break;
- case bfd_mach_sparc_sparclite_le :
+ case bfd_mach_sparc_sparclite_le:
elf_elfheader (abfd)->e_flags |= EF_SPARC_LEDATA;
break;
- default :
- abort ();
+ case 0: /* A non-sparc architecture - ignore. */
+ break;
+ default:
+ _bfd_error_handler
+ (_("%pB: unhandled sparc machine value '%lu' detected during write processing"),
+ abfd, (long) bfd_get_mach (abfd));
break;
}
}
+static bfd_boolean
+elf32_sparc_final_write_processing (bfd *abfd)
+{
+ sparc_final_write_processing (abfd);
+ return _bfd_elf_final_write_processing (abfd);
+}
+
+/* Used to decide how to sort relocs in an optimal manner for the
+ dynamic linker, before writing them out. */
+
static enum elf_reloc_type_class
-elf32_sparc_reloc_type_class (const struct bfd_link_info *info ATTRIBUTE_UNUSED,
+elf32_sparc_reloc_type_class (const struct bfd_link_info *info,
const asection *rel_sec ATTRIBUTE_UNUSED,
const Elf_Internal_Rela *rela)
{
+ bfd *abfd = info->output_bfd;
+ const struct elf_backend_data *bed = get_elf_backend_data (abfd);
+ struct _bfd_sparc_elf_link_hash_table *htab
+ = _bfd_sparc_elf_hash_table (info);
+ BFD_ASSERT (htab != NULL);
+
+ if (htab->elf.dynsym != NULL
+ && htab->elf.dynsym->contents != NULL)
+ {
+ /* Check relocation against STT_GNU_IFUNC symbol if there are
+ dynamic symbols. */
+ unsigned long r_symndx = htab->r_symndx (rela->r_info);
+ if (r_symndx != STN_UNDEF)
+ {
+ Elf_Internal_Sym sym;
+ if (!bed->s->swap_symbol_in (abfd,
+ (htab->elf.dynsym->contents
+ + r_symndx * bed->s->sizeof_sym),
+ 0, &sym))
+ abort ();
+
+ if (ELF_ST_TYPE (sym.st_info) == STT_GNU_IFUNC)
+ return reloc_class_ifunc;
+ }
+ }
+
switch ((int) ELF32_R_TYPE (rela->r_info))
{
+ case R_SPARC_IRELATIVE:
+ return reloc_class_ifunc;
case R_SPARC_RELATIVE:
return reloc_class_relative;
case R_SPARC_JMP_SLOT:
}
}
-/* Hook called by the linker routine which adds symbols from an object
- file. */
-
-static bfd_boolean
-elf32_sparc_add_symbol_hook (bfd * abfd,
- struct bfd_link_info * info,
- Elf_Internal_Sym * sym,
- const char ** namep ATTRIBUTE_UNUSED,
- flagword * flagsp ATTRIBUTE_UNUSED,
- asection ** secp ATTRIBUTE_UNUSED,
- bfd_vma * valp ATTRIBUTE_UNUSED)
-{
- if ((ELF_ST_TYPE (sym->st_info) == STT_GNU_IFUNC
- || ELF_ST_BIND (sym->st_info) == STB_GNU_UNIQUE)
- && (abfd->flags & DYNAMIC) == 0
- && bfd_get_flavour (info->output_bfd) == bfd_target_elf_flavour)
- elf_tdata (info->output_bfd)->has_gnu_symbols = elf_gnu_symbol_any;
- return TRUE;
-}
-
#define TARGET_BIG_SYM sparc_elf32_vec
#define TARGET_BIG_NAME "elf32-sparc"
#define ELF_ARCH bfd_arch_sparc
#define bfd_elf32_mkobject _bfd_sparc_elf_mkobject
#define elf_backend_object_p _bfd_sparc_elf_object_p
#define elf_backend_gc_mark_hook _bfd_sparc_elf_gc_mark_hook
-#define elf_backend_gc_sweep_hook _bfd_sparc_elf_gc_sweep_hook
#define elf_backend_plt_sym_val _bfd_sparc_elf_plt_sym_val
#define elf_backend_init_index_section _bfd_elf_init_1_index_section
+#define elf_backend_fixup_symbol _bfd_sparc_elf_fixup_symbol
#define elf_backend_can_gc_sections 1
#define elf_backend_can_refcount 1
#define elf_backend_plt_readonly 0
#define elf_backend_want_plt_sym 1
#define elf_backend_got_header_size 4
+#define elf_backend_want_dynrelro 1
#define elf_backend_rela_normal 1
-#define elf_backend_add_symbol_hook elf32_sparc_add_symbol_hook
+#define elf_backend_linux_prpsinfo32_ugid16 TRUE
#include "elf32-target.h"
/* The 32-bit static TLS arena size is rounded to the nearest 8-byte
boundary. */
-#undef elf_backend_static_tls_alignment
+#undef elf_backend_static_tls_alignment
#define elf_backend_static_tls_alignment 8
+#undef elf_backend_strtab_flags
+#define elf_backend_strtab_flags SHF_STRINGS
+
+static bfd_boolean
+elf32_sparc_copy_solaris_special_section_fields (const bfd *ibfd ATTRIBUTE_UNUSED,
+ bfd *obfd ATTRIBUTE_UNUSED,
+ const Elf_Internal_Shdr *isection ATTRIBUTE_UNUSED,
+ Elf_Internal_Shdr *osection ATTRIBUTE_UNUSED)
+{
+ /* PR 19938: FIXME: Need to add code for setting the sh_info
+ and sh_link fields of Solaris specific section types. */
+ return FALSE;
+}
+
+#undef elf_backend_copy_special_section_fields
+#define elf_backend_copy_special_section_fields elf32_sparc_copy_solaris_special_section_fields
+
#include "elf32-target.h"
/* A wrapper around _bfd_sparc_elf_link_hash_table_create that identifies
/* A final_write_processing hook that does both the SPARC- and VxWorks-
specific handling. */
-static void
-elf32_sparc_vxworks_final_write_processing (bfd *abfd, bfd_boolean linker)
+static bfd_boolean
+elf32_sparc_vxworks_final_write_processing (bfd *abfd)
{
- elf32_sparc_final_write_processing (abfd, linker);
- elf_vxworks_final_write_processing (abfd, linker);
+ sparc_final_write_processing (abfd);
+ return elf_vxworks_final_write_processing (abfd);
}
-#undef TARGET_BIG_SYM
+#undef TARGET_BIG_SYM
#define TARGET_BIG_SYM sparc_elf32_vxworks_vec
-#undef TARGET_BIG_NAME
+#undef TARGET_BIG_NAME
#define TARGET_BIG_NAME "elf32-sparc-vxworks"
-#undef ELF_MINPAGESIZE
+#undef ELF_MINPAGESIZE
#define ELF_MINPAGESIZE 0x1000
#undef bfd_elf32_bfd_link_hash_table_create
#define bfd_elf32_bfd_link_hash_table_create \
elf32_sparc_vxworks_link_hash_table_create
-#undef elf_backend_want_got_plt
+#undef elf_backend_want_got_plt
#define elf_backend_want_got_plt 1
-#undef elf_backend_plt_readonly
+#undef elf_backend_plt_readonly
#define elf_backend_plt_readonly 1
-#undef elf_backend_got_header_size
+#undef elf_backend_got_header_size
#define elf_backend_got_header_size 12
-#undef elf_backend_add_symbol_hook
+#undef elf_backend_dtrel_excludes_plt
+#define elf_backend_dtrel_excludes_plt 1
+#undef elf_backend_add_symbol_hook
#define elf_backend_add_symbol_hook \
elf_vxworks_add_symbol_hook
-#undef elf_backend_link_output_symbol_hook
+#undef elf_backend_link_output_symbol_hook
#define elf_backend_link_output_symbol_hook \
elf_vxworks_link_output_symbol_hook
-#undef elf_backend_emit_relocs
+#undef elf_backend_emit_relocs
#define elf_backend_emit_relocs \
elf_vxworks_emit_relocs
-#undef elf_backend_final_write_processing
+#undef elf_backend_final_write_processing
#define elf_backend_final_write_processing \
elf32_sparc_vxworks_final_write_processing
-#undef elf_backend_static_tls_alignment
+#undef elf_backend_static_tls_alignment
+#undef elf_backend_strtab_flags
+#undef elf_backend_copy_special_section_fields
-#undef elf32_bed
+#undef elf32_bed
#define elf32_bed sparc_elf_vxworks_bed
#include "elf32-target.h"
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