/* BFD back-end for Renesas H8/300 ELF binaries.
- Copyright (C) 1993-2017 Free Software Foundation, Inc.
+ Copyright (C) 1993-2021 Free Software Foundation, Inc.
This file is part of BFD, the Binary File Descriptor library.
#include "libbfd.h"
#include "elf-bfd.h"
#include "elf/h8.h"
+#include "cpu-h8300.h"
static reloc_howto_type *elf32_h8_reloc_type_lookup
(bfd *abfd, bfd_reloc_code_real_type code);
-static void elf32_h8_info_to_howto
+static bool elf32_h8_info_to_howto
(bfd *, arelent *, Elf_Internal_Rela *);
-static void elf32_h8_info_to_howto_rel
+static bool elf32_h8_info_to_howto_rel
(bfd *, arelent *, Elf_Internal_Rela *);
static unsigned long elf32_h8_mach (flagword);
-static void elf32_h8_final_write_processing (bfd *, bfd_boolean);
-static bfd_boolean elf32_h8_object_p (bfd *);
-static bfd_boolean elf32_h8_merge_private_bfd_data
+static bool elf32_h8_object_p (bfd *);
+static bool elf32_h8_merge_private_bfd_data
(bfd *, struct bfd_link_info *);
-static bfd_boolean elf32_h8_relax_section
- (bfd *, asection *, struct bfd_link_info *, bfd_boolean *);
-static bfd_boolean elf32_h8_relax_delete_bytes
+static bool elf32_h8_relax_section
+ (bfd *, asection *, struct bfd_link_info *, bool *);
+static bool elf32_h8_relax_delete_bytes
(bfd *, asection *, bfd_vma, int);
-static bfd_boolean elf32_h8_symbol_address_p (bfd *, asection *, bfd_vma);
+static bool elf32_h8_symbol_address_p (bfd *, asection *, bfd_vma);
static bfd_byte *elf32_h8_get_relocated_section_contents
(bfd *, struct bfd_link_info *, struct bfd_link_order *,
- bfd_byte *, bfd_boolean, asymbol **);
+ bfd_byte *, bool, asymbol **);
static bfd_reloc_status_type elf32_h8_final_link_relocate
(unsigned long, bfd *, bfd *, asection *,
bfd_byte *, bfd_vma, bfd_vma, bfd_vma,
struct bfd_link_info *, asection *, int);
-static bfd_boolean elf32_h8_relocate_section
+static int elf32_h8_relocate_section
(bfd *, struct bfd_link_info *, bfd *, asection *,
bfd_byte *, Elf_Internal_Rela *,
Elf_Internal_Sym *, asection **);
0, /* rightshift */
3, /* size (0 = byte, 1 = short, 2 = long) */
0, /* bitsize */
- FALSE, /* pc_relative */
+ false, /* pc_relative */
0, /* bitpos */
complain_overflow_dont,/* complain_on_overflow */
special, /* special_function */
"R_H8_NONE", /* name */
- FALSE, /* partial_inplace */
+ false, /* partial_inplace */
0, /* src_mask */
0, /* dst_mask */
- FALSE), /* pcrel_offset */
+ false), /* pcrel_offset */
#define R_H8_DIR32_X (R_H8_NONE_X + 1)
HOWTO (R_H8_DIR32, /* type */
0, /* rightshift */
2, /* size (0 = byte, 1 = short, 2 = long) */
32, /* bitsize */
- FALSE, /* pc_relative */
+ false, /* pc_relative */
0, /* bitpos */
complain_overflow_dont,/* complain_on_overflow */
special, /* special_function */
"R_H8_DIR32", /* name */
- FALSE, /* partial_inplace */
+ false, /* partial_inplace */
0, /* src_mask */
0xffffffff, /* dst_mask */
- FALSE), /* pcrel_offset */
+ false), /* pcrel_offset */
#define R_H8_DIR16_X (R_H8_DIR32_X + 1)
HOWTO (R_H8_DIR16, /* type */
0, /* rightshift */
1, /* size (0 = byte, 1 = short, 2 = long) */
16, /* bitsize */
- FALSE, /* pc_relative */
+ false, /* pc_relative */
0, /* bitpos */
complain_overflow_dont,/* complain_on_overflow */
special, /* special_function */
"R_H8_DIR16", /* name */
- FALSE, /* partial_inplace */
+ false, /* partial_inplace */
0, /* src_mask */
0x0000ffff, /* dst_mask */
- FALSE), /* pcrel_offset */
+ false), /* pcrel_offset */
#define R_H8_DIR8_X (R_H8_DIR16_X + 1)
HOWTO (R_H8_DIR8, /* type */
0, /* rightshift */
0, /* size (0 = byte, 1 = short, 2 = long) */
8, /* bitsize */
- FALSE, /* pc_relative */
+ false, /* pc_relative */
0, /* bitpos */
complain_overflow_dont,/* complain_on_overflow */
special, /* special_function */
"R_H8_DIR8", /* name */
- FALSE, /* partial_inplace */
+ false, /* partial_inplace */
0, /* src_mask */
0x000000ff, /* dst_mask */
- FALSE), /* pcrel_offset */
+ false), /* pcrel_offset */
#define R_H8_DIR16A8_X (R_H8_DIR8_X + 1)
HOWTO (R_H8_DIR16A8, /* type */
0, /* rightshift */
1, /* size (0 = byte, 1 = short, 2 = long) */
16, /* bitsize */
- FALSE, /* pc_relative */
+ false, /* pc_relative */
0, /* bitpos */
complain_overflow_bitfield, /* complain_on_overflow */
special, /* special_function */
"R_H8_DIR16A8", /* name */
- FALSE, /* partial_inplace */
+ false, /* partial_inplace */
0, /* src_mask */
0x0000ffff, /* dst_mask */
- FALSE), /* pcrel_offset */
+ false), /* pcrel_offset */
#define R_H8_DIR16R8_X (R_H8_DIR16A8_X + 1)
HOWTO (R_H8_DIR16R8, /* type */
0, /* rightshift */
1, /* size (0 = byte, 1 = short, 2 = long) */
16, /* bitsize */
- FALSE, /* pc_relative */
+ false, /* pc_relative */
0, /* bitpos */
complain_overflow_bitfield, /* complain_on_overflow */
special, /* special_function */
"R_H8_DIR16R8", /* name */
- FALSE, /* partial_inplace */
+ false, /* partial_inplace */
0, /* src_mask */
0x0000ffff, /* dst_mask */
- FALSE), /* pcrel_offset */
+ false), /* pcrel_offset */
#define R_H8_DIR24A8_X (R_H8_DIR16R8_X + 1)
HOWTO (R_H8_DIR24A8, /* type */
0, /* rightshift */
2, /* size (0 = byte, 1 = short, 2 = long) */
24, /* bitsize */
- FALSE, /* pc_relative */
+ false, /* pc_relative */
0, /* bitpos */
complain_overflow_bitfield, /* complain_on_overflow */
special, /* special_function */
"R_H8_DIR24A8", /* name */
- TRUE, /* partial_inplace */
+ true, /* partial_inplace */
0xff000000, /* src_mask */
0x00ffffff, /* dst_mask */
- FALSE), /* pcrel_offset */
+ false), /* pcrel_offset */
#define R_H8_DIR24R8_X (R_H8_DIR24A8_X + 1)
HOWTO (R_H8_DIR24R8, /* type */
0, /* rightshift */
2, /* size (0 = byte, 1 = short, 2 = long) */
24, /* bitsize */
- FALSE, /* pc_relative */
+ false, /* pc_relative */
0, /* bitpos */
complain_overflow_bitfield, /* complain_on_overflow */
special, /* special_function */
"R_H8_DIR24R8", /* name */
- TRUE, /* partial_inplace */
+ true, /* partial_inplace */
0xff000000, /* src_mask */
0x00ffffff, /* dst_mask */
- FALSE), /* pcrel_offset */
+ false), /* pcrel_offset */
#define R_H8_DIR32A16_X (R_H8_DIR24R8_X + 1)
HOWTO (R_H8_DIR32A16, /* type */
0, /* rightshift */
2, /* size (0 = byte, 1 = short, 2 = long) */
32, /* bitsize */
- FALSE, /* pc_relative */
+ false, /* pc_relative */
0, /* bitpos */
complain_overflow_dont,/* complain_on_overflow */
special, /* special_function */
"R_H8_DIR32A16", /* name */
- FALSE, /* partial_inplace */
+ false, /* partial_inplace */
0, /* src_mask */
0xffffffff, /* dst_mask */
- FALSE), /* pcrel_offset */
+ false), /* pcrel_offset */
#define R_H8_DISP32A16_X (R_H8_DIR32A16_X + 1)
HOWTO (R_H8_DISP32A16, /* type */
0, /* rightshift */
2, /* size (0 = byte, 1 = short, 2 = long) */
32, /* bitsize */
- FALSE, /* pc_relative */
+ false, /* pc_relative */
0, /* bitpos */
complain_overflow_dont,/* complain_on_overflow */
special, /* special_function */
"R_H8_DISP32A16", /* name */
- FALSE, /* partial_inplace */
+ false, /* partial_inplace */
0, /* src_mask */
0xffffffff, /* dst_mask */
- FALSE), /* pcrel_offset */
+ false), /* pcrel_offset */
#define R_H8_PCREL16_X (R_H8_DISP32A16_X + 1)
HOWTO (R_H8_PCREL16, /* type */
0, /* rightshift */
1, /* size (0 = byte, 1 = short, 2 = long) */
16, /* bitsize */
- TRUE, /* pc_relative */
+ true, /* pc_relative */
0, /* bitpos */
complain_overflow_signed,/* complain_on_overflow */
special, /* special_function */
"R_H8_PCREL16", /* name */
- FALSE, /* partial_inplace */
+ false, /* partial_inplace */
0xffff, /* src_mask */
0xffff, /* dst_mask */
- TRUE), /* pcrel_offset */
+ true), /* pcrel_offset */
#define R_H8_PCREL8_X (R_H8_PCREL16_X + 1)
HOWTO (R_H8_PCREL8, /* type */
0, /* rightshift */
0, /* size (0 = byte, 1 = short, 2 = long) */
8, /* bitsize */
- TRUE, /* pc_relative */
+ true, /* pc_relative */
0, /* bitpos */
complain_overflow_signed,/* complain_on_overflow */
special, /* special_function */
"R_H8_PCREL8", /* name */
- FALSE, /* partial_inplace */
+ false, /* partial_inplace */
0xff, /* src_mask */
0xff, /* dst_mask */
- TRUE), /* pcrel_offset */
+ true), /* pcrel_offset */
};
/* This structure is used to map BFD reloc codes to H8 ELF relocs. */
return NULL;
}
-static void
+static bool
elf32_h8_info_to_howto (bfd *abfd ATTRIBUTE_UNUSED, arelent *bfd_reloc,
Elf_Internal_Rela *elf_reloc)
{
if (h8_elf_howto_table[i].type == r)
{
bfd_reloc->howto = &h8_elf_howto_table[i];
- return;
+ return true;
}
- abort ();
+ /* xgettext:c-format */
+ _bfd_error_handler (_("%pB: unsupported relocation type %#x"), abfd, r);
+ bfd_set_error (bfd_error_bad_value);
+ return false;
}
-static void
-elf32_h8_info_to_howto_rel (bfd *abfd ATTRIBUTE_UNUSED, arelent *bfd_reloc,
+static bool
+elf32_h8_info_to_howto_rel (bfd *abfd ATTRIBUTE_UNUSED,
+ arelent *bfd_reloc ATTRIBUTE_UNUSED,
Elf_Internal_Rela *elf_reloc ATTRIBUTE_UNUSED)
{
- unsigned int r;
-
- abort ();
- r = ELF32_R_TYPE (elf_reloc->r_info);
- bfd_reloc->howto = &h8_elf_howto_table[r];
+ return false;
}
/* Special handling for H8/300 relocs.
}
\f
/* Relocate an H8 ELF section. */
-static bfd_boolean
+static int
elf32_h8_relocate_section (bfd *output_bfd, struct bfd_link_info *info,
bfd *input_bfd, asection *input_section,
bfd_byte *contents, Elf_Internal_Rela *relocs,
arelent bfd_reloc;
reloc_howto_type *howto;
- elf32_h8_info_to_howto (input_bfd, &bfd_reloc, rel);
+ if (! elf32_h8_info_to_howto (input_bfd, &bfd_reloc, rel))
+ continue;
howto = bfd_reloc.howto;
r_symndx = ELF32_R_SYM (rel->r_info);
}
else
{
- bfd_boolean unresolved_reloc, warned, ignored;
+ bool unresolved_reloc, warned, ignored;
RELOC_FOR_GLOBAL_SYMBOL (info, input_bfd, input_section, rel,
r_symndx, symtab_hdr, sym_hashes,
name = (bfd_elf_string_from_elf_section
(input_bfd, symtab_hdr->sh_link, sym->st_name));
if (name == NULL || *name == '\0')
- name = bfd_section_name (input_bfd, sec);
+ name = bfd_section_name (sec);
}
switch (r)
case bfd_reloc_undefined:
(*info->callbacks->undefined_symbol)
- (info, name, input_bfd, input_section, rel->r_offset, TRUE);
+ (info, name, input_bfd, input_section, rel->r_offset, true);
break;
case bfd_reloc_outofrange:
}
}
- return TRUE;
+ return true;
}
/* Object files encode the specific H8 model they were compiled
file. We use this opportunity to encode the BFD machine type
into the flags field in the object file. */
-static void
-elf32_h8_final_write_processing (bfd *abfd,
- bfd_boolean linker ATTRIBUTE_UNUSED)
+static bool
+elf32_h8_final_write_processing (bfd *abfd)
{
unsigned long val;
elf_elfheader (abfd)->e_flags &= ~ (EF_H8_MACH);
elf_elfheader (abfd)->e_flags |= val;
+ return _bfd_elf_final_write_processing (abfd);
}
/* Return nonzero if ABFD represents a valid H8 ELF object file; also
record the encoded machine type found in the ELF flags. */
-static bfd_boolean
+static bool
elf32_h8_object_p (bfd *abfd)
{
bfd_default_set_arch_mach (abfd, bfd_arch_h8300,
elf32_h8_mach (elf_elfheader (abfd)->e_flags));
- return TRUE;
+ return true;
}
/* Merge backend specific data from an object file to the output
object file when linking. The only data we need to copy at this
time is the architecture/machine information. */
-static bfd_boolean
+static bool
elf32_h8_merge_private_bfd_data (bfd *ibfd, struct bfd_link_info *info)
{
bfd *obfd = info->output_bfd;
if (bfd_get_flavour (ibfd) != bfd_target_elf_flavour
|| bfd_get_flavour (obfd) != bfd_target_elf_flavour)
- return TRUE;
+ return true;
if (bfd_get_arch (obfd) == bfd_get_arch (ibfd)
&& bfd_get_mach (obfd) < bfd_get_mach (ibfd))
{
if (! bfd_set_arch_mach (obfd, bfd_get_arch (ibfd),
bfd_get_mach (ibfd)))
- return FALSE;
+ return false;
}
- return TRUE;
+ return true;
}
/* This function handles relaxing for the H8..
mov.[bwl] @(displ:24/32+ERx) -> mov.[bwl] @(displ:16+ERx) 4 bytes. */
-static bfd_boolean
+static bool
elf32_h8_relax_section (bfd *abfd, asection *sec,
- struct bfd_link_info *link_info, bfd_boolean *again)
+ struct bfd_link_info *link_info, bool *again)
{
Elf_Internal_Shdr *symtab_hdr;
Elf_Internal_Rela *internal_relocs;
static Elf_Internal_Rela *last_reloc = NULL;
/* Assume nothing changes. */
- *again = FALSE;
+ *again = false;
/* We don't have to do anything for a relocatable link, if
this section does not have relocs, or if this is not a
|| (sec->flags & SEC_RELOC) == 0
|| sec->reloc_count == 0
|| (sec->flags & SEC_CODE) == 0)
- return TRUE;
+ return true;
symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
{
arelent bfd_reloc;
- elf32_h8_info_to_howto (abfd, &bfd_reloc, irel);
+ if (! elf32_h8_info_to_howto (abfd, &bfd_reloc, irel))
+ continue;
}
/* Keep track of the previous reloc so that we can delete
some long jumps created by the compiler. */
4))
goto error_return;
- *again = TRUE;
+ *again = true;
break;
}
}
/* That will change things, so, we should relax again.
Note that this is not required, and it may be slow. */
- *again = TRUE;
+ *again = true;
}
break;
}
/* That will change things, so, we should relax again.
Note that this is not required, and it may be slow. */
- *again = TRUE;
+ *again = true;
}
break;
}
/* That will change things, so, we should relax again.
Note that this is not required, and it may be slow. */
- *again = TRUE;
+ *again = true;
}
break;
}
/* That will change things, so, we should relax again.
Note that this is not required, and it may be slow. */
- *again = TRUE;
+ *again = true;
break;
}
}
reloc_howto_type *h;
bfd_vma last_reloc_size;
- elf32_h8_info_to_howto (abfd, &bfd_reloc, last_reloc);
+ if (! elf32_h8_info_to_howto (abfd, &bfd_reloc, last_reloc))
+ break;
h = bfd_reloc.howto;
last_reloc_size = 1 << h->size;
if (last_reloc->r_offset + last_reloc_size
reloc_howto_type *h;
bfd_vma next_reloc_size;
- elf32_h8_info_to_howto (abfd, &bfd_reloc, next_reloc);
+ if (! elf32_h8_info_to_howto (abfd, &bfd_reloc, next_reloc))
+ break;
h = bfd_reloc.howto;
next_reloc_size = 1 << h->size;
if (next_reloc->r_offset + next_reloc_size
/* That will change things, so, we should relax again.
Note that this is not required, and it may be slow. */
- *again = TRUE;
+ *again = true;
}
break; /* case R_H8_DIR32A16 */
}
/* That will change things, so, we should relax again.
Note that this is not required, and it may be slow. */
- *again = TRUE;
+ *again = true;
}
}
}
}
}
- if (internal_relocs != NULL
- && elf_section_data (sec)->relocs != internal_relocs)
+ if (elf_section_data (sec)->relocs != internal_relocs)
free (internal_relocs);
- return TRUE;
+ return true;
error_return:
- if (isymbuf != NULL
- && symtab_hdr->contents != (unsigned char *) isymbuf)
+ if (symtab_hdr->contents != (unsigned char *) isymbuf)
free (isymbuf);
- if (contents != NULL
- && elf_section_data (sec)->this_hdr.contents != contents)
+ if (elf_section_data (sec)->this_hdr.contents != contents)
free (contents);
- if (internal_relocs != NULL
- && elf_section_data (sec)->relocs != internal_relocs)
+ if (elf_section_data (sec)->relocs != internal_relocs)
free (internal_relocs);
- return FALSE;
+ return false;
}
/* Delete some bytes from a section while relaxing. */
-static bfd_boolean
+static bool
elf32_h8_relax_delete_bytes (bfd *abfd, asection *sec, bfd_vma addr, int count)
{
Elf_Internal_Shdr *symtab_hdr;
sym_hash->root.u.def.value -= count;
}
- return TRUE;
+ return true;
}
/* Return TRUE if a symbol exists at the given address, else return
FALSE. */
-static bfd_boolean
+static bool
elf32_h8_symbol_address_p (bfd *abfd, asection *sec, bfd_vma addr)
{
Elf_Internal_Shdr *symtab_hdr;
{
if (isym->st_shndx == sec_shndx
&& isym->st_value == addr)
- return TRUE;
+ return true;
}
symcount = (symtab_hdr->sh_size / sizeof (Elf32_External_Sym)
|| sym_hash->root.type == bfd_link_hash_defweak)
&& sym_hash->root.u.def.section == sec
&& sym_hash->root.u.def.value == addr)
- return TRUE;
+ return true;
}
- return FALSE;
+ return false;
}
/* This is a version of bfd_generic_get_relocated_section_contents
struct bfd_link_info *link_info,
struct bfd_link_order *link_order,
bfd_byte *data,
- bfd_boolean relocatable,
+ bool relocatable,
asymbol **symbols)
{
Elf_Internal_Shdr *symtab_hdr;
internal_relocs = (_bfd_elf_link_read_relocs
(input_bfd, input_section, NULL,
- (Elf_Internal_Rela *) NULL, FALSE));
+ (Elf_Internal_Rela *) NULL, false));
if (internal_relocs == NULL)
goto error_return;
isymbuf, sections))
goto error_return;
- if (sections != NULL)
- free (sections);
- if (isymbuf != NULL
- && symtab_hdr->contents != (unsigned char *) isymbuf)
+ free (sections);
+ if (symtab_hdr->contents != (unsigned char *) isymbuf)
free (isymbuf);
if (elf_section_data (input_section)->relocs != internal_relocs)
free (internal_relocs);
return data;
error_return:
- if (sections != NULL)
- free (sections);
- if (isymbuf != NULL
- && symtab_hdr->contents != (unsigned char *) isymbuf)
+ free (sections);
+ if (symtab_hdr->contents != (unsigned char *) isymbuf)
free (isymbuf);
- if (internal_relocs != NULL
- && elf_section_data (input_section)->relocs != internal_relocs)
+ if (elf_section_data (input_section)->relocs != internal_relocs)
free (internal_relocs);
return NULL;
}
projects / deliverable / binutils-gdb.git / blobdiff