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Constify elf_backend_eh_frame_address_size

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* elf-bfd.h (struct elf_backend_data): Make asection param of
	elf_backend_eh_frame_address_size const.
	(_bfd_elf_eh_frame_address_size): Likewise.
	* elf32-m32c.c (_bfd_m32c_elf_eh_frame_address_size): Likewise.
	* elf32-msp430.c (elf32_msp430_eh_frame_address_size): Likewise.
	* elfxx-mips.c (_bfd_mips_elf_eh_frame_address_size): Likewise.
	* elfxx-mips.h (_bfd_mips_elf_eh_frame_address_size): Likewise.
	* elf-eh-frame.c (_bfd_elf_eh_frame_address_size): Likewise.
	(next_cie_fde_offset): Constify params.
	(offset_adjust, adjust_eh_frame_local_symbols): Likewise.
This commit is contained in:
Alan Modra 2017-04-27 12:03:39 +09:30
parent d7153c4ac3
commit 76c20d54ca
7 changed files with 27 additions and 12 deletions
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13
bfd/ChangeLog
View file

@ -1,3 +1,16 @@
2017-04-27 Alan Modra <amodra@gmail.com>
* elf-bfd.h (struct elf_backend_data): Make asection param of
elf_backend_eh_frame_address_size const.
(_bfd_elf_eh_frame_address_size): Likewise.
* elf32-m32c.c (_bfd_m32c_elf_eh_frame_address_size): Likewise.
* elf32-msp430.c (elf32_msp430_eh_frame_address_size): Likewise.
* elfxx-mips.c (_bfd_mips_elf_eh_frame_address_size): Likewise.
* elfxx-mips.h (_bfd_mips_elf_eh_frame_address_size): Likewise.
* elf-eh-frame.c (_bfd_elf_eh_frame_address_size): Likewise.
(next_cie_fde_offset): Constify params.
(offset_adjust, adjust_eh_frame_local_symbols): Likewise.
2017-04-27 Alan Modra <amodra@gmail.com> 2017-04-27 Alan Modra <amodra@gmail.com>
* elf-bfd.h (struct eh_cie_fde): Add aug_str_len and aug_data_len. * elf-bfd.h (struct eh_cie_fde): Add aug_str_len and aug_data_len.

4
bfd/elf-bfd.h
View file

@ -1291,7 +1291,7 @@ struct elf_backend_data
that can't be determined for some reason. The default definition that can't be determined for some reason. The default definition
goes by the bfd's EI_CLASS. */ goes by the bfd's EI_CLASS. */
unsigned int (*elf_backend_eh_frame_address_size) unsigned int (*elf_backend_eh_frame_address_size)
(bfd *, asection *); (bfd *, const asection *);
/* These functions tell elf-eh-frame whether to attempt to turn /* These functions tell elf-eh-frame whether to attempt to turn
absolute or lsda encodings into pc-relative ones. The default absolute or lsda encodings into pc-relative ones. The default
@ -1987,7 +1987,7 @@ extern void bfd_elf_print_symbol
(bfd *, void *, asymbol *, bfd_print_symbol_type); (bfd *, void *, asymbol *, bfd_print_symbol_type);
extern unsigned int _bfd_elf_eh_frame_address_size extern unsigned int _bfd_elf_eh_frame_address_size
(bfd *, asection *); (bfd *, const asection *);
extern bfd_byte _bfd_elf_encode_eh_address extern bfd_byte _bfd_elf_encode_eh_address
(bfd *abfd, struct bfd_link_info *info, asection *osec, bfd_vma offset, (bfd *abfd, struct bfd_link_info *info, asection *osec, bfd_vma offset,
asection *loc_sec, bfd_vma loc_offset, bfd_vma *encoded); asection *loc_sec, bfd_vma loc_offset, bfd_vma *encoded);

12
bfd/elf-eh-frame.c
View file

@ -326,9 +326,9 @@ size_of_output_cie_fde (struct eh_cie_fde *entry)
/* Return the offset of the FDE or CIE after ENT. */ /* Return the offset of the FDE or CIE after ENT. */
static unsigned int static unsigned int
next_cie_fde_offset (struct eh_cie_fde *ent, next_cie_fde_offset (const struct eh_cie_fde *ent,
struct eh_cie_fde *last, const struct eh_cie_fde *last,
asection *sec) const asection *sec)
{ {
while (++ent < last) while (++ent < last)
{ {
@ -1334,7 +1334,7 @@ find_merged_cie (bfd *abfd, struct bfd_link_info *info, asection *sec,
after .eh_frame editing. */ after .eh_frame editing. */
static bfd_signed_vma static bfd_signed_vma
offset_adjust (bfd_vma offset, asection *sec) offset_adjust (bfd_vma offset, const asection *sec)
{ {
struct eh_frame_sec_info *sec_info struct eh_frame_sec_info *sec_info
= (struct eh_frame_sec_info *) elf_section_data (sec)->sec_info; = (struct eh_frame_sec_info *) elf_section_data (sec)->sec_info;
@ -1442,7 +1442,7 @@ _bfd_elf_adjust_eh_frame_global_symbol (struct elf_link_hash_entry *h,
if any symbol was changed. */ if any symbol was changed. */
static int static int
adjust_eh_frame_local_symbols (asection *sec, adjust_eh_frame_local_symbols (const asection *sec,
struct elf_reloc_cookie *cookie) struct elf_reloc_cookie *cookie)
{ {
unsigned int shndx; unsigned int shndx;
@ -2546,7 +2546,7 @@ _bfd_elf_write_section_eh_frame_hdr (bfd *abfd, struct bfd_link_info *info)
/* Return the width of FDE addresses. This is the default implementation. */ /* Return the width of FDE addresses. This is the default implementation. */
unsigned int unsigned int
_bfd_elf_eh_frame_address_size (bfd *abfd, asection *sec ATTRIBUTE_UNUSED) _bfd_elf_eh_frame_address_size (bfd *abfd, const asection *sec ATTRIBUTE_UNUSED)
{ {
return elf_elfheader (abfd)->e_ident[EI_CLASS] == ELFCLASS64 ? 8 : 4; return elf_elfheader (abfd)->e_ident[EI_CLASS] == ELFCLASS64 ? 8 : 4;
} }

3
bfd/elf32-m32c.c
View file

@ -2107,7 +2107,8 @@ m32c_elf_relax_delete_bytes
/* This is for versions of gcc prior to 4.3. */ /* This is for versions of gcc prior to 4.3. */
static unsigned int static unsigned int
_bfd_m32c_elf_eh_frame_address_size (bfd *abfd, asection *sec ATTRIBUTE_UNUSED) _bfd_m32c_elf_eh_frame_address_size (bfd *abfd,
const asection *sec ATTRIBUTE_UNUSED)
{ {
if ((elf_elfheader (abfd)->e_flags & EF_M32C_CPU_MASK) == EF_M32C_CPU_M16C) if ((elf_elfheader (abfd)->e_flags & EF_M32C_CPU_MASK) == EF_M32C_CPU_M16C)
return 2; return 2;

3
bfd/elf32-msp430.c
View file

@ -2552,7 +2552,8 @@ uses_large_model (bfd *abfd)
} }
static unsigned int static unsigned int
elf32_msp430_eh_frame_address_size (bfd *abfd, asection *sec ATTRIBUTE_UNUSED) elf32_msp430_eh_frame_address_size (bfd *abfd,
const asection *sec ATTRIBUTE_UNUSED)
{ {
return uses_large_model (abfd) ? 4 : 2; return uses_large_model (abfd) ? 4 : 2;
} }

2
bfd/elfxx-mips.c
View file

@ -7028,7 +7028,7 @@ _bfd_mips_elf_symbol_processing (bfd *abfd, asymbol *asym)
did so. */ did so. */
unsigned int unsigned int
_bfd_mips_elf_eh_frame_address_size (bfd *abfd, asection *sec) _bfd_mips_elf_eh_frame_address_size (bfd *abfd, const asection *sec)
{ {
if (elf_elfheader (abfd)->e_ident[EI_CLASS] == ELFCLASS64) if (elf_elfheader (abfd)->e_ident[EI_CLASS] == ELFCLASS64)
return 8; return 8;

2
bfd/elfxx-mips.h
View file

@ -29,7 +29,7 @@ extern bfd_boolean _bfd_mips_elf_new_section_hook
extern void _bfd_mips_elf_symbol_processing extern void _bfd_mips_elf_symbol_processing
(bfd *, asymbol *); (bfd *, asymbol *);
extern unsigned int _bfd_mips_elf_eh_frame_address_size extern unsigned int _bfd_mips_elf_eh_frame_address_size
(bfd *, asection *); (bfd *, const asection *);
extern bfd_boolean _bfd_mips_elf_name_local_section_symbols extern bfd_boolean _bfd_mips_elf_name_local_section_symbols
(bfd *); (bfd *);
extern bfd_boolean _bfd_mips_elf_section_processing extern bfd_boolean _bfd_mips_elf_section_processing