/* Adapteva epiphany specific support for 32-bit ELF
- Copyright (C) 2000-2017 Free Software Foundation, Inc.
+ Copyright (C) 2000-2021 Free Software Foundation, Inc.
Contributed by Embecosm on behalf of Adapteva, Inc.
This file is part of BFD, the Binary File Descriptor library.
{
Elf_Internal_Shdr * symtab_hdr;
Elf_Internal_Rela * irelbase;
- bfd_byte * contents;
+ bfd_byte * contents;
Elf_Internal_Sym * isymbuf;
};
unsigned short mask;
};
-static bfd_boolean epiphany_relaxed = FALSE;
+static bool epiphany_relaxed = false;
/* Relocation tables. */
static reloc_howto_type epiphany_elf_howto_table [] =
{
#define AHOW(t,rs,s,bs,pr,bp,co,name,sm,dm) \
- HOWTO(t, /* type */ \
- rs, /* rightshift */ \
- s, /* size (0 = byte, 1 = short, 2 = long) */ \
- bs, /* bitsize */ \
- pr, /* pc_relative */ \
- bp, /* bitpos */ \
+ HOWTO(t, /* type */ \
+ rs, /* rightshift */ \
+ s, /* size (0 = byte, 1 = short, 2 = long) */ \
+ bs, /* bitsize */ \
+ pr, /* pc_relative */ \
+ bp, /* bitpos */ \
co, /* complain_on_overflow */ \
bfd_elf_generic_reloc,/* special_function */ \
- name, /* name */ \
- FALSE, /* partial_inplace */ \
- sm, /* src_mask */ \
- dm, /* dst_mask */ \
- pr) /* pcrel_offset */
+ name, /* name */ \
+ false, /* partial_inplace */ \
+ sm, /* src_mask */ \
+ dm, /* dst_mask */ \
+ pr) /* pcrel_offset */
/* This reloc does nothing. */
- AHOW (R_EPIPHANY_NONE, 0, 3,0, FALSE, 0, complain_overflow_dont, "R_EPIPHANY_NONE", 0, 0),
+ AHOW (R_EPIPHANY_NONE, 0, 3,0, false, 0, complain_overflow_dont, "R_EPIPHANY_NONE", 0, 0),
/* 8 bit absolute (not likely) */
- AHOW (R_EPIPHANY_8, 0, 0, 8, FALSE, 0, complain_overflow_bitfield, "R_EPIPHANY_8", 0x000000ff, 0x000000ff),
+ AHOW (R_EPIPHANY_8, 0, 0, 8, false, 0, complain_overflow_bitfield, "R_EPIPHANY_8", 0x000000ff, 0x000000ff),
/* 16 bit absolute */
- AHOW (R_EPIPHANY_16, 0, 1,16, FALSE, 0, complain_overflow_bitfield, "R_EPIPHANY_16", 0x0000ffff, 0x00ff1fe0),
+ AHOW (R_EPIPHANY_16, 0, 1,16, false, 0, complain_overflow_bitfield, "R_EPIPHANY_16", 0x0000ffff, 0x00ff1fe0),
/* A 32 bit absolute relocation. */
- AHOW (R_EPIPHANY_32, 0, 2,32, FALSE, 0, complain_overflow_dont, "R_EPIPHANY_32", 0xffffffff, 0xffffffff),
+ AHOW (R_EPIPHANY_32, 0, 2,32, false, 0, complain_overflow_dont, "R_EPIPHANY_32", 0xffffffff, 0xffffffff),
/* 8 bit relative relocation */
- HOWTO ( R_EPIPHANY_8_PCREL, 0, 0, 8, TRUE, 0, complain_overflow_bitfield, bfd_elf_generic_reloc, "R_EPIPHANY_8_PCREL", FALSE, 0x000000ff, 0x000000ff, FALSE),
+ HOWTO ( R_EPIPHANY_8_PCREL, 0, 0, 8, true, 0, complain_overflow_bitfield, bfd_elf_generic_reloc, "R_EPIPHANY_8_PCREL", false, 0x000000ff, 0x000000ff, false),
/* 16 bit relative relocation */
- HOWTO ( R_EPIPHANY_16_PCREL, 0, 1, 16, TRUE, 0, complain_overflow_bitfield, bfd_elf_generic_reloc, "R_EPIPHANY_8_PCREL", FALSE, 0x000000ff, 0x000000ff, FALSE),
+ HOWTO ( R_EPIPHANY_16_PCREL, 0, 1, 16, true, 0, complain_overflow_bitfield, bfd_elf_generic_reloc, "R_EPIPHANY_8_PCREL", false, 0x000000ff, 0x000000ff, false),
/* 32 bit relative relocation */
- HOWTO ( R_EPIPHANY_32_PCREL, 0, 2, 32, TRUE, 0, complain_overflow_bitfield, bfd_elf_generic_reloc, "R_EPIPHANY_8_PCREL", FALSE, 0x000000ff, 0x000000ff, FALSE),
+ HOWTO ( R_EPIPHANY_32_PCREL, 0, 2, 32, true, 0, complain_overflow_bitfield, bfd_elf_generic_reloc, "R_EPIPHANY_8_PCREL", false, 0x000000ff, 0x000000ff, false),
/* 8 bit pc-relative relocation */
- AHOW (R_EPIPHANY_SIMM8, 1, 0, 8, TRUE, 8, complain_overflow_signed, "R_EPIPHANY_SIMM8", 0x000000ff, 0x0000ff00),
+ AHOW (R_EPIPHANY_SIMM8, 1, 0, 8, true, 8, complain_overflow_signed, "R_EPIPHANY_SIMM8", 0x000000ff, 0x0000ff00),
/* 24 bit pc-relative relocation */
- AHOW (R_EPIPHANY_SIMM24, 1, 2,24, TRUE, 8, complain_overflow_signed, "R_EPIPHANY_SIMM24", 0x00ffffff, 0xffffff00),
+ AHOW (R_EPIPHANY_SIMM24, 1, 2,24, true, 8, complain_overflow_signed, "R_EPIPHANY_SIMM24", 0x00ffffff, 0xffffff00),
/* %HIGH(EA) */
- AHOW (R_EPIPHANY_HIGH, 0, 2,16, FALSE, 0, complain_overflow_dont, "R_EPIPHANY_HIGH", 0x0ff01fe0, 0x0ff01fe0),
+ AHOW (R_EPIPHANY_HIGH, 0, 2,16, false, 0, complain_overflow_dont, "R_EPIPHANY_HIGH", 0x0ff01fe0, 0x0ff01fe0),
/* %LOW(EA) */
- AHOW (R_EPIPHANY_LOW, 0, 2,16, FALSE, 0, complain_overflow_dont, "R_EPIPHANY_LOW", 0x0ff01fe0, 0x0ff01fe0),
+ AHOW (R_EPIPHANY_LOW, 0, 2,16, false, 0, complain_overflow_dont, "R_EPIPHANY_LOW", 0x0ff01fe0, 0x0ff01fe0),
/* simm11 */
- AHOW (R_EPIPHANY_SIMM11, 0, 2,11, FALSE, 0, complain_overflow_bitfield, "R_EPIPHANY_SIMM11", 0x00ff0380, 0x00ff0380),
+ AHOW (R_EPIPHANY_SIMM11, 0, 2,11, false, 0, complain_overflow_bitfield, "R_EPIPHANY_SIMM11", 0x00ff0380, 0x00ff0380),
/* imm12 - sign-magnitude */
- AHOW (R_EPIPHANY_IMM11, 0, 2,11, FALSE, 0, complain_overflow_bitfield, "R_EPIPHANY_IMM12", 0x00ff0380, 0x00ff0380),
+ AHOW (R_EPIPHANY_IMM11, 0, 2,11, false, 0, complain_overflow_bitfield, "R_EPIPHANY_IMM12", 0x00ff0380, 0x00ff0380),
/* imm8 */
- AHOW (R_EPIPHANY_IMM8, 0, 1, 8, FALSE, 8, complain_overflow_signed, "R_EPIPHANY_IMM8", 0x0000ff00, 0x0000ff00)
+ AHOW (R_EPIPHANY_IMM8, 0, 1, 8, false, 8, complain_overflow_signed, "R_EPIPHANY_IMM8", 0x0000ff00, 0x0000ff00)
};
/* This function handles relaxing for the epiphany.
Dummy placeholder for future optimizations. */
-static bfd_boolean
+static bool
epiphany_elf_relax_section (bfd *abfd, asection *sec,
struct bfd_link_info *link_info,
- bfd_boolean *again)
+ bool *again)
{
Elf_Internal_Shdr *symtab_hdr;
Elf_Internal_Rela *internal_relocs;
static unsigned long page_start = 0;
static unsigned long page_end = 0;
static unsigned int pass = 0;
- static bfd_boolean new_pass = FALSE;
- static bfd_boolean changed = FALSE;
+ static bool new_pass = false;
+ static bool changed = false;
struct misc misc ATTRIBUTE_UNUSED;
asection *stab;
/* Assume nothing changes. */
- *again = FALSE;
+ *again = false;
if (first_section == NULL)
{
- epiphany_relaxed = TRUE;
+ epiphany_relaxed = true;
first_section = sec;
}
if (first_section == sec)
{
pass++;
- new_pass = TRUE;
+ new_pass = true;
}
/* We don't have to do anything for a relocatable link,
|| (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;
if (new_pass)
{
pass = 1;
- new_pass = FALSE;
- changed = TRUE; /* Pre-initialize to break out of pass 1. */
+ new_pass = false;
+ changed = true; /* Pre-initialize to break out of pass 1. */
search_addr = 0xFFFFFFFF;
}
search_addr = BASEADDR (sec);
/* Found a page => more work to do. */
- *again = TRUE;
+ *again = true;
}
}
else
{
if (new_pass)
{
- new_pass = FALSE;
- changed = FALSE;
+ new_pass = false;
+ changed = false;
page_start = PAGENO (search_addr);
page_end = page_start | 0x00003FFF;
}
if (!epiphany_elf_relax_section_page (abfd, sec, &changed, &misc,
page_start, page_end))
#endif
- return FALSE;
+ return false;
}
- *again = TRUE;
+ *again = true;
}
/* Perform some house keeping after relaxing the section. */
}
}
- 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;
}
/* Set the howto pointer for a EPIPHANY ELF reloc. */
-static void
-epiphany_info_to_howto_rela (bfd * abfd ATTRIBUTE_UNUSED,
+static bool
+epiphany_info_to_howto_rela (bfd * abfd,
arelent * cache_ptr,
Elf_Internal_Rela * dst)
{
if (r_type >= (unsigned int) R_EPIPHANY_max)
{
/* xgettext:c-format */
- _bfd_error_handler (_("%B: invalid Epiphany reloc number: %d"), abfd, r_type);
- r_type = 0;
+ _bfd_error_handler (_("%pB: unsupported relocation type %#x"),
+ abfd, r_type);
+ bfd_set_error (bfd_error_bad_value);
+ return false;
}
cache_ptr->howto = & epiphany_elf_howto_table [r_type];
+ return true;
}
/* Perform a single relocation.
static bfd_reloc_status_type
epiphany_final_link_relocate (reloc_howto_type * howto,
- bfd * input_bfd,
- asection * input_section,
- bfd_byte * contents,
+ bfd * input_bfd,
+ asection * input_section,
+ bfd_byte * contents,
Elf_Internal_Rela * rel,
- bfd_vma relocation)
+ bfd_vma relocation)
{
switch (howto->type)
{
section, which means that the addend must be adjusted
accordingly. */
-static bfd_boolean
+static int
epiphany_elf_relocate_section (bfd *output_bfd ATTRIBUTE_UNUSED,
struct bfd_link_info *info,
bfd *input_bfd,
for (rel = relocs; rel < relend; rel ++)
{
- reloc_howto_type * howto;
- unsigned long r_symndx;
- Elf_Internal_Sym * sym;
- asection * sec;
+ reloc_howto_type * howto;
+ unsigned long r_symndx;
+ Elf_Internal_Sym * sym;
+ asection * sec;
struct elf_link_hash_entry * h;
- bfd_vma relocation;
- bfd_reloc_status_type r;
- const char * name = NULL;
- int r_type ATTRIBUTE_UNUSED;
+ bfd_vma relocation;
+ bfd_reloc_status_type r;
+ const char * name = NULL;
+ int r_type ATTRIBUTE_UNUSED;
r_type = ELF32_R_TYPE (rel->r_info);
r_symndx = ELF32_R_SYM (rel->r_info);
name = bfd_elf_string_from_elf_section
(input_bfd, symtab_hdr->sh_link, sym->st_name);
- name = (name == NULL) ? bfd_section_name (input_bfd, sec) : name;
+ name = name == NULL ? bfd_section_name (sec) : name;
}
else
{
- bfd_boolean warned ATTRIBUTE_UNUSED;
- bfd_boolean unresolved_reloc ATTRIBUTE_UNUSED;
- bfd_boolean ignored ATTRIBUTE_UNUSED;
+ bool warned ATTRIBUTE_UNUSED;
+ bool unresolved_reloc ATTRIBUTE_UNUSED;
+ bool ignored ATTRIBUTE_UNUSED;
RELOC_FOR_GLOBAL_SYMBOL (info, input_bfd, input_section, rel,
r_symndx, symtab_hdr, sym_hashes,
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;
}
/* We only have a little-endian target. */
#define elf_info_to_howto_rel NULL
#define elf_info_to_howto epiphany_info_to_howto_rela
-#define elf_backend_can_gc_sections 1
+#define elf_backend_can_gc_sections 1
#define elf_backend_rela_normal 1
#define elf_backend_relocate_section epiphany_elf_relocate_section
projects / deliverable / binutils-gdb.git / blobdiff