/* MIPS-specific support for 32-bit ELF
- Copyright (C) 1993-2018 Free Software Foundation, Inc.
+ Copyright (C) 1993-2020 Free Software Foundation, Inc.
Most of the information added by Ian Lance Taylor, Cygnus Support,
<ian@cygnus.com>.
(bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **);
static reloc_howto_type *bfd_elf32_bfd_reloc_type_lookup
(bfd *, bfd_reloc_code_real_type);
-static void mips_info_to_howto_rel
+static bfd_boolean mips_info_to_howto_rel
(bfd *, arelent *, Elf_Internal_Rela *);
-static void mips_info_to_howto_rela
+static bfd_boolean mips_info_to_howto_rela
(bfd *, arelent *, Elf_Internal_Rela *);
static bfd_boolean mips_elf_sym_is_global
(bfd *, asymbol *);
unsigned int r_type,
bfd_boolean rela_p ATTRIBUTE_UNUSED)
{
+ reloc_howto_type *howto = NULL;
+
switch (r_type)
{
case R_MIPS_GNU_VTINHERIT:
return &elf_mips_eh_howto;
default:
if (r_type >= R_MICROMIPS_min && r_type < R_MICROMIPS_max)
- return &elf_micromips_howto_table_rel[r_type - R_MICROMIPS_min];
+ howto = &elf_micromips_howto_table_rel[r_type - R_MICROMIPS_min];
if (r_type >= R_MIPS16_min && r_type < R_MIPS16_max)
- return &elf_mips16_howto_table_rel[r_type - R_MIPS16_min];
- if (r_type >= (unsigned int) R_MIPS_max)
- {
- _bfd_error_handler (_("%pB: unsupported relocation type %#x"),
- abfd, r_type);
- bfd_set_error (bfd_error_bad_value);
- r_type = R_MIPS_NONE;
- }
- return &elf_mips_howto_table_rel[r_type];
+ howto = &elf_mips16_howto_table_rel[r_type - R_MIPS16_min];
+ if (r_type < R_MIPS_max)
+ howto = &elf_mips_howto_table_rel[r_type];
+ if (howto != NULL && howto->name != NULL)
+ return howto;
+
+ _bfd_error_handler (_("%pB: unsupported relocation type %#x"),
+ abfd, r_type);
+ bfd_set_error (bfd_error_bad_value);
+ return NULL;
}
}
/* Given a MIPS Elf_Internal_Rel, fill in an arelent structure. */
-static void
+static bfd_boolean
mips_info_to_howto_rel (bfd *abfd, arelent *cache_ptr, Elf_Internal_Rela *dst)
{
- const struct elf_backend_data *bed;
unsigned int r_type;
r_type = ELF32_R_TYPE (dst->r_info);
- bed = get_elf_backend_data (abfd);
- cache_ptr->howto = bed->elf_backend_mips_rtype_to_howto (abfd, r_type, FALSE);
+ cache_ptr->howto = mips_elf32_rtype_to_howto (abfd, r_type, FALSE);
+
+ if (cache_ptr->howto == NULL)
+ return FALSE;
/* The addend for a GPREL16 or LITERAL relocation comes from the GP
value for the object file. We get the addend now, rather than
if (((*cache_ptr->sym_ptr_ptr)->flags & BSF_SECTION_SYM) != 0
&& (gprel16_reloc_p (r_type) || literal_reloc_p (r_type)))
cache_ptr->addend = elf_gp (abfd);
+
+ return TRUE;
}
/* Given a MIPS Elf_Internal_Rela, fill in an arelent structure. */
-static void
+static bfd_boolean
mips_info_to_howto_rela (bfd *abfd, arelent *cache_ptr, Elf_Internal_Rela *dst)
{
- mips_info_to_howto_rel (abfd, cache_ptr, dst);
+ return mips_info_to_howto_rel (abfd, cache_ptr, dst);
/* If we ever need to do any extra processing with dst->r_addend
(the field omitted in an Elf_Internal_Rel) we can do it here. */
return (sym->flags & BSF_SECTION_SYM) == 0;
else
return ((sym->flags & (BSF_GLOBAL | BSF_WEAK | BSF_GNU_UNIQUE)) != 0
- || bfd_is_und_section (bfd_get_section (sym))
- || bfd_is_com_section (bfd_get_section (sym)));
+ || bfd_is_und_section (bfd_asymbol_section (sym))
+ || bfd_is_com_section (bfd_asymbol_section (sym)));
}
\f
/* Set the right machine number for a MIPS ELF file. */
}
}
}
+
+/* Remove the magic _gp_disp symbol from the symbol tables. */
+
+static bfd_boolean
+elf32_mips_fixup_symbol (struct bfd_link_info *info,
+ struct elf_link_hash_entry *h)
+{
+ if (strcmp (h->root.root.string, "_gp_disp") == 0)
+ _bfd_elf_link_hash_hide_symbol (info, h, TRUE);
+ return TRUE;
+}
\f
/* Depending on the target vector we generate some version of Irix
executables or "normal" MIPS ELF ABI executables. */
#define elf_backend_gc_mark_hook _bfd_mips_elf_gc_mark_hook
#define elf_backend_copy_indirect_symbol \
_bfd_mips_elf_copy_indirect_symbol
+#define elf_backend_hide_symbol _bfd_mips_elf_hide_symbol
+#define elf_backend_fixup_symbol elf32_mips_fixup_symbol
#define elf_backend_grok_prstatus elf32_mips_grok_prstatus
#define elf_backend_grok_psinfo elf32_mips_grok_psinfo
#define elf_backend_ecoff_debug_swap &mips_elf32_ecoff_debug_swap
#include "elf32-target.h"
/* Implement elf_backend_final_write_processing for VxWorks. */
-static void
-mips_vxworks_final_write_processing (bfd *abfd, bfd_boolean linker)
+static bfd_boolean
+mips_vxworks_final_write_processing (bfd *abfd)
{
- _bfd_mips_elf_final_write_processing (abfd, linker);
- elf_vxworks_final_write_processing (abfd, linker);
+ _bfd_mips_final_write_processing (abfd);
+ return elf_vxworks_final_write_processing (abfd);
}
#undef TARGET_LITTLE_SYM