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| author | Alan Modra <amodra@gmail.com> | 2004-01-01 10:01:45 +0000 |
|---|---|---|
| committer | Alan Modra <amodra@gmail.com> | 2004-01-01 10:01:45 +0000 |
| commit | 2627de8318f2dcb4f2406a999af8dce6c0929963 (patch) | |
| tree | f9a0f2bd91ca823426b8b0dc32b6fd5c2f0778ca /bfd/elf32-h8300.c | |
| parent | b13797763fdda0a37733cf06775e2e7e14364436 (diff) | |
| download | gdb-2627de8318f2dcb4f2406a999af8dce6c0929963.zip gdb-2627de8318f2dcb4f2406a999af8dce6c0929963.tar.gz gdb-2627de8318f2dcb4f2406a999af8dce6c0929963.tar.bz2 | |
* elflink.h (elf_gc_sections): Warn when gc-sections option is ignored.
* elf32-h8300.c (elf32_h8_gc_mark_hook): New function.
(elf32_h8_gc_sweep_hook): New function.
(elf_backend_gc_mark_hook): Define.
(elf_backend_gc_sweep_hook): Define.
(elf_backend_can_gc_sections): Define.
Diffstat (limited to 'bfd/elf32-h8300.c')
| -rw-r--r-- | bfd/elf32-h8300.c | 46 |
1 files changed, 45 insertions, 1 deletions
diff --git a/bfd/elf32-h8300.c b/bfd/elf32-h8300.c index 18d87d4..3c5f298 100644 --- a/bfd/elf32-h8300.c +++ b/bfd/elf32-h8300.c @@ -1,5 +1,5 @@ /* BFD back-end for Renesas H8/300 ELF binaries. - Copyright 1993, 1995, 1998, 1999, 2001, 2002, 2003 + Copyright 1993, 1995, 1998, 1999, 2001, 2002, 2003, 2004 Free Software Foundation, Inc. This file is part of BFD, the Binary File Descriptor library. @@ -47,6 +47,11 @@ static bfd_boolean elf32_h8_symbol_address_p static bfd_byte *elf32_h8_get_relocated_section_contents (bfd *, struct bfd_link_info *, struct bfd_link_order *, bfd_byte *, bfd_boolean, asymbol **); +static asection * elf32_h8_gc_mark_hook + (asection *, struct bfd_link_info *, Elf_Internal_Rela *, + struct elf_link_hash_entry *, Elf_Internal_Sym *); +static bfd_boolean elf32_h8_gc_sweep_hook + (bfd *, struct bfd_link_info *, asection *, const Elf_Internal_Rela *); static bfd_reloc_status_type elf32_h8_final_link_relocate (unsigned long, bfd *, bfd *, asection *, bfd_byte *, bfd_vma, bfd_vma, bfd_vma, @@ -1428,6 +1433,42 @@ elf32_h8_get_relocated_section_contents (bfd *output_bfd, return NULL; } +static asection * +elf32_h8_gc_mark_hook (asection *sec, + struct bfd_link_info *info ATTRIBUTE_UNUSED, + Elf_Internal_Rela *rel ATTRIBUTE_UNUSED, + struct elf_link_hash_entry *h, + Elf_Internal_Sym *sym) +{ + if (h != NULL) + { + switch (h->root.type) + { + case bfd_link_hash_defined: + case bfd_link_hash_defweak: + return h->root.u.def.section; + + case bfd_link_hash_common: + return h->root.u.c.p->section; + + default: + break; + } + } + else + return bfd_section_from_elf_index(sec->owner, sym->st_shndx); + return NULL; +} + +static bfd_boolean +elf32_h8_gc_sweep_hook (bfd *abfd ATTRIBUTE_UNUSED, + struct bfd_link_info *info ATTRIBUTE_UNUSED, + asection *sec ATTRIBUTE_UNUSED, + const Elf_Internal_Rela *relocs ATTRIBUTE_UNUSED) +{ + return TRUE; +} + #define TARGET_BIG_SYM bfd_elf32_h8300_vec #define TARGET_BIG_NAME "elf32-h8300" @@ -1446,6 +1487,8 @@ elf32_h8_get_relocated_section_contents (bfd *output_bfd, elf32_h8_object_p #define bfd_elf32_bfd_merge_private_bfd_data \ elf32_h8_merge_private_bfd_data +#define elf_backend_gc_mark_hook elf32_h8_gc_mark_hook +#define elf_backend_gc_sweep_hook elf32_h8_gc_sweep_hook /* ??? when elf_backend_relocate_section is not defined, elf32-target.h defaults to using _bfd_generic_link_hash_table_create, but @@ -1457,6 +1500,7 @@ elf32_h8_get_relocated_section_contents (bfd *output_bfd, /* Use an H8 specific linker, not the ELF generic linker. */ #define elf_backend_relocate_section elf32_h8_relocate_section #define elf_backend_rela_normal 1 +#define elf_backend_can_gc_sections 1 /* And relaxing stuff. */ #define bfd_elf32_bfd_relax_section elf32_h8_relax_section |