/* SPU specific support for 32-bit ELF
- Copyright (C) 2006-2018 Free Software Foundation, Inc.
+ Copyright (C) 2006-2020 Free Software Foundation, Inc.
This file is part of BFD, the Binary File Descriptor library.
#include "elf/spu.h"
#include "elf32-spu.h"
+/* All users of this file have bfd_octets_per_byte (abfd, sec) == 1. */
+#define OCTETS_PER_BYTE(ABFD, SEC) 1
+
/* We use RELA style relocs. Don't define USE_REL. */
static bfd_reloc_status_type spu_elf_rel9 (bfd *, arelent *, asymbol *,
if (reloc_entry->address > bfd_get_section_limit (abfd, input_section))
return bfd_reloc_outofrange;
- octets = reloc_entry->address * bfd_octets_per_byte (abfd);
+ octets = reloc_entry->address * OCTETS_PER_BYTE (abfd, input_section);
/* Get symbol value. */
val = 0;
flagword flags;
ibfd = info->input_bfds;
+ /* This should really be SEC_LINKER_CREATED, but then we'd need
+ to write out the section ourselves. */
flags = SEC_LOAD | SEC_READONLY | SEC_HAS_CONTENTS | SEC_IN_MEMORY;
s = bfd_make_section_anyway_with_flags (ibfd, SPU_PTNOTE_SPUNAME, flags);
if (s == NULL
- || !bfd_set_section_alignment (ibfd, s, 4))
+ || !bfd_set_section_alignment (s, 4))
return FALSE;
+ /* Because we didn't set SEC_LINKER_CREATED we need to set the
+ proper section type. */
+ elf_section_type (s) = SHT_NOTE;
name_len = strlen (bfd_get_filename (info->output_bfd)) + 1;
size = 12 + ((sizeof (SPU_PLUGIN_NAME) + 3) & -4);
size += (name_len + 3) & -4;
- if (!bfd_set_section_size (ibfd, s, size))
+ if (!bfd_set_section_size (s, size))
return FALSE;
data = bfd_zalloc (ibfd, size);
flags = (SEC_LOAD | SEC_ALLOC | SEC_READONLY | SEC_HAS_CONTENTS
| SEC_IN_MEMORY | SEC_LINKER_CREATED);
s = bfd_make_section_anyway_with_flags (ibfd, ".fixup", flags);
- if (s == NULL || !bfd_set_section_alignment (ibfd, s, 2))
+ if (s == NULL || !bfd_set_section_alignment (s, 2))
return FALSE;
htab->sfixup = s;
}
stub = bfd_make_section_anyway_with_flags (ibfd, ".stub", flags);
htab->stub_sec[0] = stub;
if (stub == NULL
- || !bfd_set_section_alignment (ibfd, stub,
+ || !bfd_set_section_alignment (stub,
ovl_stub_size_log2 (htab->params)))
return 0;
stub->size = htab->stub_count[0] * ovl_stub_size (htab->params);
stub = bfd_make_section_anyway_with_flags (ibfd, ".stub", flags);
htab->stub_sec[ovl] = stub;
if (stub == NULL
- || !bfd_set_section_alignment (ibfd, stub,
+ || !bfd_set_section_alignment (stub,
ovl_stub_size_log2 (htab->params)))
return 0;
stub->size = htab->stub_count[ovl] * ovl_stub_size (htab->params);
flags = SEC_ALLOC;
htab->ovtab = bfd_make_section_anyway_with_flags (ibfd, ".ovtab", flags);
if (htab->ovtab == NULL
- || !bfd_set_section_alignment (ibfd, htab->ovtab, 4))
+ || !bfd_set_section_alignment (htab->ovtab, 4))
return 0;
htab->ovtab->size = (16 + 16 + (16 << htab->fromelem_size_log2))
flags = SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS | SEC_IN_MEMORY;
htab->init = bfd_make_section_anyway_with_flags (ibfd, ".ovini", flags);
if (htab->init == NULL
- || !bfd_set_section_alignment (ibfd, htab->init, 4))
+ || !bfd_set_section_alignment (htab->init, 4))
return 0;
htab->init->size = 16;
flags = SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS | SEC_IN_MEMORY;
htab->ovtab = bfd_make_section_anyway_with_flags (ibfd, ".ovtab", flags);
if (htab->ovtab == NULL
- || !bfd_set_section_alignment (ibfd, htab->ovtab, 4))
+ || !bfd_set_section_alignment (htab->ovtab, 4))
return 0;
htab->ovtab->size = htab->num_overlays * 16 + 16 + htab->num_buf * 4;
htab->toe = bfd_make_section_anyway_with_flags (ibfd, ".toe", SEC_ALLOC);
if (htab->toe == NULL
- || !bfd_set_section_alignment (ibfd, htab->toe, 4))
+ || !bfd_set_section_alignment (htab->toe, 4))
return 0;
htab->toe->size = 16;
bfd_put_32 (htab->ovtab->owner, s->vma, p + off);
bfd_put_32 (htab->ovtab->owner, (s->size + 15) & -16,
p + off + 4);
- /* file_off written later in spu_elf_modify_program_headers. */
+ /* file_off written later in spu_elf_modify_headers. */
bfd_put_32 (htab->ovtab->owner, ovl_buf, p + off + 12);
}
}
(_("%pB(%s+%#" PRIx64 "): "
"unresolvable %s relocation against symbol `%s'"),
input_bfd,
- bfd_get_section_name (input_bfd, input_section),
+ bfd_section_name (input_section),
(uint64_t) rel->r_offset,
howto->name,
sym_name);
/* Set ELF header e_type for plugins. */
-static void
-spu_elf_post_process_headers (bfd *abfd, struct bfd_link_info *info)
+static bfd_boolean
+spu_elf_init_file_header (bfd *abfd, struct bfd_link_info *info)
{
+ if (!_bfd_elf_init_file_header (abfd, info))
+ return FALSE;
+
if (spu_plugin)
{
Elf_Internal_Ehdr *i_ehdrp = elf_elfheader (abfd);
i_ehdrp->e_type = ET_DYN;
}
-
- _bfd_elf_post_process_headers (abfd, info);
+ return TRUE;
}
/* We may add an extra PT_LOAD segment for .toe. We also need extra
{
asection *toe, *s;
struct elf_segment_map *m, *m_overlay;
- struct elf_segment_map **p, **p_overlay;
+ struct elf_segment_map **p, **p_overlay, **first_load;
unsigned int i;
if (info == NULL)
/* Move all overlay segments onto a separate list. */
p = &elf_seg_map (abfd);
p_overlay = &m_overlay;
+ m_overlay = NULL;
+ first_load = NULL;
while (*p != NULL)
{
- if ((*p)->p_type == PT_LOAD && (*p)->count == 1
- && spu_elf_section_data ((*p)->sections[0])->u.o.ovl_index != 0)
+ if ((*p)->p_type == PT_LOAD)
{
- m = *p;
- *p = m->next;
- *p_overlay = m;
- p_overlay = &m->next;
- continue;
+ if (!first_load)
+ first_load = p;
+ if ((*p)->count == 1
+ && spu_elf_section_data ((*p)->sections[0])->u.o.ovl_index != 0)
+ {
+ m = *p;
+ m->no_sort_lma = 1;
+ *p = m->next;
+ *p_overlay = m;
+ p_overlay = &m->next;
+ continue;
+ }
}
-
p = &((*p)->next);
}
/* Re-insert overlay segments at the head of the segment map. */
- *p_overlay = elf_seg_map (abfd);
- elf_seg_map (abfd) = m_overlay;
+ if (m_overlay != NULL)
+ {
+ p = first_load;
+ if (*p != NULL && (*p)->p_type == PT_LOAD && (*p)->includes_filehdr)
+ /* It doesn't really make sense for someone to include the ELF
+ file header into an spu image, but if they do the code that
+ assigns p_offset needs to see the segment containing the
+ header first. */
+ p = &(*p)->next;
+ *p_overlay = *p;
+ *p = m_overlay;
+ }
return TRUE;
}
/* Tweak phdrs before writing them out. */
static int
-spu_elf_modify_program_headers (bfd *abfd, struct bfd_link_info *info)
+spu_elf_modify_headers (bfd *abfd, struct bfd_link_info *info)
{
- const struct elf_backend_data *bed;
- struct elf_obj_tdata *tdata;
- Elf_Internal_Phdr *phdr, *last;
- struct spu_link_hash_table *htab;
- unsigned int count;
- unsigned int i;
-
- if (info == NULL)
- return TRUE;
-
- bed = get_elf_backend_data (abfd);
- tdata = elf_tdata (abfd);
- phdr = tdata->phdr;
- count = elf_program_header_size (abfd) / bed->s->sizeof_phdr;
- htab = spu_hash_table (info);
- if (htab->num_overlays != 0)
+ if (info != NULL)
{
- struct elf_segment_map *m;
- unsigned int o;
-
- for (i = 0, m = elf_seg_map (abfd); m; ++i, m = m->next)
- if (m->count != 0
- && (o = spu_elf_section_data (m->sections[0])->u.o.ovl_index) != 0)
- {
- /* Mark this as an overlay header. */
- phdr[i].p_flags |= PF_OVERLAY;
+ const struct elf_backend_data *bed;
+ struct elf_obj_tdata *tdata;
+ Elf_Internal_Phdr *phdr, *last;
+ struct spu_link_hash_table *htab;
+ unsigned int count;
+ unsigned int i;
+
+ bed = get_elf_backend_data (abfd);
+ tdata = elf_tdata (abfd);
+ phdr = tdata->phdr;
+ count = elf_program_header_size (abfd) / bed->s->sizeof_phdr;
+ htab = spu_hash_table (info);
+ if (htab->num_overlays != 0)
+ {
+ struct elf_segment_map *m;
+ unsigned int o;
- if (htab->ovtab != NULL && htab->ovtab->size != 0
- && htab->params->ovly_flavour != ovly_soft_icache)
+ for (i = 0, m = elf_seg_map (abfd); m; ++i, m = m->next)
+ if (m->count != 0
+ && ((o = spu_elf_section_data (m->sections[0])->u.o.ovl_index)
+ != 0))
{
- bfd_byte *p = htab->ovtab->contents;
- unsigned int off = o * 16 + 8;
+ /* Mark this as an overlay header. */
+ phdr[i].p_flags |= PF_OVERLAY;
+
+ if (htab->ovtab != NULL && htab->ovtab->size != 0
+ && htab->params->ovly_flavour != ovly_soft_icache)
+ {
+ bfd_byte *p = htab->ovtab->contents;
+ unsigned int off = o * 16 + 8;
- /* Write file_off into _ovly_table. */
- bfd_put_32 (htab->ovtab->owner, phdr[i].p_offset, p + off);
+ /* Write file_off into _ovly_table. */
+ bfd_put_32 (htab->ovtab->owner, phdr[i].p_offset, p + off);
+ }
}
- }
- /* Soft-icache has its file offset put in .ovl.init. */
- if (htab->init != NULL && htab->init->size != 0)
- {
- bfd_vma val = elf_section_data (htab->ovl_sec[0])->this_hdr.sh_offset;
+ /* Soft-icache has its file offset put in .ovl.init. */
+ if (htab->init != NULL && htab->init->size != 0)
+ {
+ bfd_vma val
+ = elf_section_data (htab->ovl_sec[0])->this_hdr.sh_offset;
- bfd_put_32 (htab->init->owner, val, htab->init->contents + 4);
+ bfd_put_32 (htab->init->owner, val, htab->init->contents + 4);
+ }
}
- }
- /* Round up p_filesz and p_memsz of PT_LOAD segments to multiples
- of 16. This should always be possible when using the standard
- linker scripts, but don't create overlapping segments if
- someone is playing games with linker scripts. */
- last = NULL;
- for (i = count; i-- != 0; )
- if (phdr[i].p_type == PT_LOAD)
- {
- unsigned adjust;
+ /* Round up p_filesz and p_memsz of PT_LOAD segments to multiples
+ of 16. This should always be possible when using the standard
+ linker scripts, but don't create overlapping segments if
+ someone is playing games with linker scripts. */
+ last = NULL;
+ for (i = count; i-- != 0; )
+ if (phdr[i].p_type == PT_LOAD)
+ {
+ unsigned adjust;
- adjust = -phdr[i].p_filesz & 15;
- if (adjust != 0
- && last != NULL
- && phdr[i].p_offset + phdr[i].p_filesz > last->p_offset - adjust)
- break;
+ adjust = -phdr[i].p_filesz & 15;
+ if (adjust != 0
+ && last != NULL
+ && (phdr[i].p_offset + phdr[i].p_filesz
+ > last->p_offset - adjust))
+ break;
- adjust = -phdr[i].p_memsz & 15;
- if (adjust != 0
- && last != NULL
- && phdr[i].p_filesz != 0
- && phdr[i].p_vaddr + phdr[i].p_memsz > last->p_vaddr - adjust
- && phdr[i].p_vaddr + phdr[i].p_memsz <= last->p_vaddr)
- break;
+ adjust = -phdr[i].p_memsz & 15;
+ if (adjust != 0
+ && last != NULL
+ && phdr[i].p_filesz != 0
+ && phdr[i].p_vaddr + phdr[i].p_memsz > last->p_vaddr - adjust
+ && phdr[i].p_vaddr + phdr[i].p_memsz <= last->p_vaddr)
+ break;
- if (phdr[i].p_filesz != 0)
- last = &phdr[i];
- }
+ if (phdr[i].p_filesz != 0)
+ last = &phdr[i];
+ }
- if (i == (unsigned int) -1)
- for (i = count; i-- != 0; )
- if (phdr[i].p_type == PT_LOAD)
- {
- unsigned adjust;
+ if (i == (unsigned int) -1)
+ for (i = count; i-- != 0; )
+ if (phdr[i].p_type == PT_LOAD)
+ {
+ unsigned adjust;
- adjust = -phdr[i].p_filesz & 15;
- phdr[i].p_filesz += adjust;
+ adjust = -phdr[i].p_filesz & 15;
+ phdr[i].p_filesz += adjust;
- adjust = -phdr[i].p_memsz & 15;
- phdr[i].p_memsz += adjust;
- }
+ adjust = -phdr[i].p_memsz & 15;
+ phdr[i].p_memsz += adjust;
+ }
+ }
- return TRUE;
+ return _bfd_elf_modify_headers (abfd, info);
}
bfd_boolean
-spu_elf_size_sections (bfd * output_bfd, struct bfd_link_info *info)
+spu_elf_size_sections (bfd *obfd ATTRIBUTE_UNUSED, struct bfd_link_info *info)
{
struct spu_link_hash_table *htab = spu_hash_table (info);
if (htab->params->emit_fixups)
/* We always have a NULL fixup as a sentinel */
size = (fixup_count + 1) * FIXUP_RECORD_SIZE;
- if (!bfd_set_section_size (output_bfd, sfixup, size))
+ if (!bfd_set_section_size (sfixup, size))
return FALSE;
sfixup->contents = (bfd_byte *) bfd_zalloc (info->input_bfds, size);
if (sfixup->contents == NULL)
#define elf_backend_additional_program_headers spu_elf_additional_program_headers
#define elf_backend_modify_segment_map spu_elf_modify_segment_map
-#define elf_backend_modify_program_headers spu_elf_modify_program_headers
-#define elf_backend_post_process_headers spu_elf_post_process_headers
+#define elf_backend_modify_headers spu_elf_modify_headers
+#define elf_backend_init_file_header spu_elf_init_file_header
#define elf_backend_fake_sections spu_elf_fake_sections
#define elf_backend_special_sections spu_elf_special_sections
#define bfd_elf32_bfd_final_link spu_elf_final_link
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