bfd/
2005-07-25 Jan Hubicka <jh@suse.cz> H.J. Lu <hongjiu.lu@intel.com> * elf-bfd.h (_bfd_elf_large_com_section): New. * elf.c (_bfd_elf_large_com_section): New. Defined. * elf64-x86-64.c (elf64_x86_64_add_symbol_hook): New. (elf64_x86_64_elf_section_from_bfd_section): New. (elf64_x86_64_symbol_processing): New. (elf64_x86_64_common_definition): New. (elf64_x86_64_common_section_index): New. (elf64_x86_64_common_section): New. (elf64_x86_64_merge_symbol): New. (elf64_x86_64_additional_program_headers): New. (elf64_x86_64_special_sections): New. (elf_backend_section_from_bfd_section): New. Defined. (elf_backend_add_symbol_hook): Likewise. (elf_backend_common_section_index): Likewise. (elf_backend_common_section): Likewise. (elf_backend_common_definition): Likewise. (elf_backend_merge_symbol): Likewise. (elf_backend_special_sections): Likewise. (elf_backend_additional_program_headers): Likewise. binutils/ 2005-07-25 H.J. Lu <hongjiu.lu@intel.com> * readelf.c (dump_relocations): Handle SHN_X86_64_LCOMMON. (get_symbol_index_type): Likewise. (get_elf_section_flags): Handle SHF_X86_64_LARGE. gas/ 2005-07-25 Jan Hubicka <jh@suse.cz> H.J. Lu <hongjiu.lu@intel.com> * config/obj-elf.c: Include "elf/x86-64.h" if TC_I386 is defined. (elf_com_section_ptr): New. (elf_begin): Set elf_com_section_ptr to bfd_com_section_ptr. (elf_common_parse): Make it global. Use elf_com_section_ptr instead of bfd_com_section_ptr. (obj_elf_change_section): Handle x86-64 large bss sections. * config/obj-elf.h (elf_com_section_ptr): New. (elf_common_parse): New. * config/tc-i386.c (handle_large_common): New. (md_pseudo_table): Add "largecomm". (x86_64_section_letter): New. (x86_64_section_word): New. * config/tc-i386.h (x86_64_section_word): New. (x86_64_section_letter): New. (md_elf_section_letter): New. Defined. (md_elf_section_word): Likewise. include/elf/ 2005-07-25 Jan Hubicka <jh@suse.cz> * x86-64.h (SHN_X86_64_LCOMMON): New. (SHF_X86_64_LARGE): New. ld/ 2005-07-25 Jan Hubicka <jh@suse.cz> H.J. Lu <hongjiu.lu@intel.com> * emulparams/elf_x86_64.sh (LARGE_SECTIONS): New. * scripttempl/elf.sc: Updated for large section support.
This commit is contained in:
H.J. Lu
parent
a4d8e49b50
commit
3b22753a67
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@ -1,3 +1,27 @@
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2005-07-25 Jan Hubicka <jh@suse.cz>
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H.J. Lu <hongjiu.lu@intel.com>
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* elf-bfd.h (_bfd_elf_large_com_section): New.
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* elf.c (_bfd_elf_large_com_section): New. Defined.
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* elf64-x86-64.c (elf64_x86_64_add_symbol_hook): New.
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(elf64_x86_64_elf_section_from_bfd_section): New.
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(elf64_x86_64_symbol_processing): New.
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(elf64_x86_64_common_definition): New.
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(elf64_x86_64_common_section_index): New.
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(elf64_x86_64_common_section): New.
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(elf64_x86_64_merge_symbol): New.
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(elf64_x86_64_additional_program_headers): New.
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(elf64_x86_64_special_sections): New.
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(elf_backend_section_from_bfd_section): New. Defined.
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(elf_backend_add_symbol_hook): Likewise.
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(elf_backend_common_section_index): Likewise.
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(elf_backend_common_section): Likewise.
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(elf_backend_common_definition): Likewise.
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(elf_backend_merge_symbol): Likewise.
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(elf_backend_special_sections): Likewise.
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(elf_backend_additional_program_headers): Likewise.
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2005-07-25 H.J. Lu <hongjiu.lu@intel.com>
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* elf-bfd.h (elf_backend_data): Add common_definition,
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@ -1834,6 +1834,9 @@ extern bfd *_bfd_elf64_bfd_from_remote_memory
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(bfd *templ, bfd_vma ehdr_vma, bfd_vma *loadbasep,
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int (*target_read_memory) (bfd_vma, bfd_byte *, int));
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/* Large common section. */
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extern asection _bfd_elf_large_com_section;
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/* SH ELF specific routine. */
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extern bfd_boolean _sh_elf_set_mach_from_flags
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@ -8456,3 +8456,9 @@ done:
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return result;
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}
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/* It is only used by x86-64 so far. */
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asection _bfd_elf_large_com_section
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= BFD_FAKE_SECTION (_bfd_elf_large_com_section,
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SEC_IS_COMMON, NULL, NULL, "LARGE_COMMON",
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0);
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@ -2906,6 +2906,181 @@ elf64_x86_64_section_from_shdr (bfd *abfd,
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return TRUE;
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}
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/* Hook called by the linker routine which adds symbols from an object
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file. We use it to put SHN_X86_64_LCOMMON items in .lbss, instead
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of .bss. */
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static bfd_boolean
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elf64_x86_64_add_symbol_hook (bfd *abfd,
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struct bfd_link_info *info ATTRIBUTE_UNUSED,
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Elf_Internal_Sym *sym,
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const char **namep ATTRIBUTE_UNUSED,
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flagword *flagsp ATTRIBUTE_UNUSED,
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asection **secp, bfd_vma *valp)
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{
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asection *lcomm;
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switch (sym->st_shndx)
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{
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case SHN_X86_64_LCOMMON:
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lcomm = bfd_get_section_by_name (abfd, "LARGE_COMMON");
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if (lcomm == NULL)
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{
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lcomm = bfd_make_section_with_flags (abfd,
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"LARGE_COMMON",
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(SEC_ALLOC
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| SEC_IS_COMMON
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| SEC_LINKER_CREATED));
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if (lcomm == NULL)
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return FALSE;
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elf_section_flags (lcomm) |= SHF_X86_64_LARGE;
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}
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*secp = lcomm;
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*valp = sym->st_size;
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break;
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}
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return TRUE;
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}
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/* Given a BFD section, try to locate the corresponding ELF section
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index. */
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static bfd_boolean
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elf64_x86_64_elf_section_from_bfd_section (bfd *abfd ATTRIBUTE_UNUSED,
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asection *sec, int *index)
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{
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if (sec == &_bfd_elf_large_com_section)
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{
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*index = SHN_X86_64_LCOMMON;
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return TRUE;
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}
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return FALSE;
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}
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/* Process a symbol. */
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static void
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elf64_x86_64_symbol_processing (bfd *abfd ATTRIBUTE_UNUSED,
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asymbol *asym)
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{
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elf_symbol_type *elfsym = (elf_symbol_type *) asym;
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switch (elfsym->internal_elf_sym.st_shndx)
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{
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case SHN_X86_64_LCOMMON:
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asym->section = &_bfd_elf_large_com_section;
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asym->value = elfsym->internal_elf_sym.st_size;
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/* Common symbol doesn't set BSF_GLOBAL. */
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asym->flags &= ~BSF_GLOBAL;
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break;
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}
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}
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static bfd_boolean
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elf64_x86_64_common_definition (Elf_Internal_Sym *sym)
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{
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return (sym->st_shndx == SHN_COMMON
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|| sym->st_shndx == SHN_X86_64_LCOMMON);
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}
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static unsigned int
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elf64_x86_64_common_section_index (asection *sec)
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{
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if ((elf_section_flags (sec) & SHF_X86_64_LARGE) == 0)
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return SHN_COMMON;
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else
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return SHN_X86_64_LCOMMON;
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}
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static asection *
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elf64_x86_64_common_section (asection *sec)
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{
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if ((elf_section_flags (sec) & SHF_X86_64_LARGE) == 0)
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return bfd_com_section_ptr;
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else
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return &_bfd_elf_large_com_section;
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}
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static bfd_boolean
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elf64_x86_64_merge_symbol (struct bfd_link_info *info ATTRIBUTE_UNUSED,
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struct elf_link_hash_entry **sym_hash ATTRIBUTE_UNUSED,
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struct elf_link_hash_entry *h,
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Elf_Internal_Sym *sym,
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asection **psec ATTRIBUTE_UNUSED,
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bfd_vma *pvalue ATTRIBUTE_UNUSED,
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unsigned int *pold_alignment ATTRIBUTE_UNUSED,
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bfd_boolean *skip ATTRIBUTE_UNUSED,
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bfd_boolean *override ATTRIBUTE_UNUSED,
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bfd_boolean *type_change_ok ATTRIBUTE_UNUSED,
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bfd_boolean *size_change_ok ATTRIBUTE_UNUSED,
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bfd_boolean *newdef ATTRIBUTE_UNUSED,
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bfd_boolean *newdyn,
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bfd_boolean *newdyncommon ATTRIBUTE_UNUSED,
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bfd_boolean *newweak ATTRIBUTE_UNUSED,
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bfd *abfd ATTRIBUTE_UNUSED,
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asection **sec,
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bfd_boolean *olddef ATTRIBUTE_UNUSED,
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bfd_boolean *olddyn,
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bfd_boolean *olddyncommon ATTRIBUTE_UNUSED,
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bfd_boolean *oldweak ATTRIBUTE_UNUSED,
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bfd *oldbfd ATTRIBUTE_UNUSED,
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asection **oldsec)
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{
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/* A normal common symbol and a large common symbol result in a
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normal common symbol. If we see the normal symbol first, we
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do nothing since the first one will be used. If we see the
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large common symbol first, we need to change the large common
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symbol to the normal common symbol. */
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if (!*olddyn
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&& h->root.type == bfd_link_hash_common
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&& !*newdyn
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&& bfd_is_com_section (*sec)
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&& *oldsec != *sec
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&& sym->st_shndx == SHN_COMMON
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&& (elf_section_flags (*oldsec) & SHF_X86_64_LARGE) != 0)
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{
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h->root.u.c.p->section = bfd_make_section_old_way (abfd,
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"COMMON");
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h->root.u.c.p->section->flags = SEC_ALLOC;
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}
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return TRUE;
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}
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static int
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elf64_x86_64_additional_program_headers (bfd *abfd)
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{
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asection *s;
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int count = 0;
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/* Check to see if we need a large readonly segment. */
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s = bfd_get_section_by_name (abfd, ".lrodata");
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if (s && (s->flags & SEC_LOAD))
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count++;
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/* Check to see if we need a large data segment. Since .lbss sections
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is placed right after the .bss section, there should be no need for
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a large data segment just because of .lbss. */
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s = bfd_get_section_by_name (abfd, ".ldata");
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if (s && (s->flags & SEC_LOAD))
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count++;
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return count;
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}
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static const struct bfd_elf_special_section
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elf64_x86_64_special_sections[]=
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{
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{ ".gnu.linkonce.lb", 16, -2, SHT_NOBITS, SHF_ALLOC + SHF_WRITE + SHF_X86_64_LARGE},
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{ ".gnu.linkonce.lr", 16, -2, SHT_PROGBITS, SHF_ALLOC + SHF_X86_64_LARGE},
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{ ".gnu.linkonce.lt", 16, -2, SHT_PROGBITS, SHF_ALLOC + SHF_EXECINSTR + SHF_X86_64_LARGE},
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{ ".lbss", 5, -2, SHT_NOBITS, SHF_ALLOC + SHF_WRITE + SHF_X86_64_LARGE},
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{ ".ldata", 6, -2, SHT_PROGBITS, SHF_ALLOC + SHF_WRITE + SHF_X86_64_LARGE},
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{ ".lrodata", 8, -2, SHT_PROGBITS, SHF_ALLOC + SHF_X86_64_LARGE},
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{ NULL, 0, 0, 0, 0 }
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};
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#define TARGET_LITTLE_SYM bfd_elf64_x86_64_vec
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#define TARGET_LITTLE_NAME "elf64-x86-64"
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#define ELF_ARCH bfd_arch_i386
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@ -2946,4 +3121,23 @@ elf64_x86_64_section_from_shdr (bfd *abfd,
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#define elf_backend_section_from_shdr \
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elf64_x86_64_section_from_shdr
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#define elf_backend_section_from_bfd_section \
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elf64_x86_64_elf_section_from_bfd_section
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#define elf_backend_add_symbol_hook \
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elf64_x86_64_add_symbol_hook
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#define elf_backend_symbol_processing \
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elf64_x86_64_symbol_processing
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#define elf_backend_common_section_index \
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elf64_x86_64_common_section_index
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#define elf_backend_common_section \
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elf64_x86_64_common_section
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#define elf_backend_common_definition \
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elf64_x86_64_common_definition
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#define elf_backend_merge_symbol \
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elf64_x86_64_merge_symbol
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#define elf_backend_special_sections \
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elf64_x86_64_special_sections
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#define elf_backend_additional_program_headers \
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elf64_x86_64_additional_program_headers
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#include "elf64-target.h"
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@ -1,3 +1,9 @@
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2005-07-25 H.J. Lu <hongjiu.lu@intel.com>
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* readelf.c (dump_relocations): Handle SHN_X86_64_LCOMMON.
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(get_symbol_index_type): Likewise.
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(get_elf_section_flags): Handle SHF_X86_64_LARGE.
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2005-07-21 Eric Christopher <echristo@apple.com>
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* MAINTAINERS: Change affiliation.
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@ -1355,6 +1355,9 @@ dump_relocations (FILE *file,
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sec_name = "ABS";
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else if (psym->st_shndx == SHN_COMMON)
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sec_name = "COMMON";
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else if (elf_header.e_machine == EM_X86_64
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&& psym->st_shndx == SHN_X86_64_LCOMMON)
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sec_name = "LARGE_COMMON";
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else if (elf_header.e_machine == EM_IA_64
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&& elf_header.e_ident[EI_OSABI] == ELFOSABI_HPUX
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&& psym->st_shndx == SHN_IA_64_ANSI_COMMON)
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@ -3789,7 +3792,10 @@ get_elf_section_flags (bfd_vma sh_flags)
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case SHF_TLS: *p = 'T'; break;
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default:
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if (flag & SHF_MASKOS)
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if (elf_header.e_machine == EM_X86_64
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&& flag == SHF_X86_64_LARGE)
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*p = 'l';
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else if (flag & SHF_MASKOS)
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{
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*p = 'o';
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sh_flags &= ~ SHF_MASKOS;
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@ -6698,6 +6704,9 @@ get_symbol_index_type (unsigned int type)
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&& elf_header.e_machine == EM_IA_64
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&& elf_header.e_ident[EI_OSABI] == ELFOSABI_HPUX)
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return "ANSI_COM";
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else if (elf_header.e_machine == EM_X86_64
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&& type == SHN_X86_64_LCOMMON)
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return "LARGE_COM";
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else if (type >= SHN_LOPROC && type <= SHN_HIPROC)
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sprintf (buff, "PRC[0x%04x]", type);
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else if (type >= SHN_LOOS && type <= SHN_HIOS)
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@ -1,3 +1,27 @@
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2005-07-25 Jan Hubicka <jh@suse.cz>
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H.J. Lu <hongjiu.lu@intel.com>
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* config/obj-elf.c: Include "elf/x86-64.h" if TC_I386 is
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defined.
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(elf_com_section_ptr): New.
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(elf_begin): Set elf_com_section_ptr to bfd_com_section_ptr.
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(elf_common_parse): Make it global. Use elf_com_section_ptr
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instead of bfd_com_section_ptr.
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(obj_elf_change_section): Handle x86-64 large bss sections.
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* config/obj-elf.h (elf_com_section_ptr): New.
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(elf_common_parse): New.
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* config/tc-i386.c (handle_large_common): New.
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(md_pseudo_table): Add "largecomm".
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(x86_64_section_letter): New.
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(x86_64_section_word): New.
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* config/tc-i386.h (x86_64_section_word): New.
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(x86_64_section_letter): New.
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(md_elf_section_letter): New. Defined.
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(md_elf_section_word): Likewise.
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2005-07-21 Ralf Corsepius <ralf.corsepius@rtems.org>
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* configure.tgt: Remove i386-*-rtemself*.
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@ -53,6 +53,10 @@
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#include "elf/i370.h"
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#endif
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#ifdef TC_I386
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#include "elf/x86-64.h"
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#endif
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static void obj_elf_line (int);
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static void obj_elf_size (int);
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static void obj_elf_type (int);
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@ -174,6 +178,8 @@ static const pseudo_typeS ecoff_debug_pseudo_table[] =
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/* This is called when the assembler starts. */
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asection *elf_com_section_ptr;
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void
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elf_begin (void)
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{
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@ -186,6 +192,7 @@ elf_begin (void)
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symbol_table_insert (section_symbol (s));
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s = bfd_get_section_by_name (stdoutput, BSS_SECTION_NAME);
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symbol_table_insert (section_symbol (s));
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elf_com_section_ptr = bfd_com_section_ptr;
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}
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void
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@ -270,7 +277,7 @@ elf_file_symbol (const char *s, int appfile)
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/* Called from read.c:s_comm after we've parsed .comm symbol, size.
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Parse a possible alignment value. */
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static symbolS *
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symbolS *
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elf_common_parse (int ignore ATTRIBUTE_UNUSED, symbolS *symbolP, addressT size)
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{
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addressT align = 0;
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|
@ -334,7 +341,7 @@ elf_common_parse (int ignore ATTRIBUTE_UNUSED, symbolS *symbolP, addressT size)
|
|||
S_SET_VALUE (symbolP, size);
|
||||
S_SET_ALIGN (symbolP, align);
|
||||
S_SET_EXTERNAL (symbolP);
|
||||
S_SET_SEGMENT (symbolP, bfd_com_section_ptr);
|
||||
S_SET_SEGMENT (symbolP, elf_com_section_ptr);
|
||||
}
|
||||
|
||||
symbol_get_bfdsym (symbolP)->flags |= BSF_OBJECT;
|
||||
|
|
@ -569,7 +576,16 @@ obj_elf_change_section (const char *name,
|
|||
.section .init_array,"aw",@progbits
|
||||
|
||||
for __attribute__ ((section (".init_array"))).
|
||||
"@progbits" is incorrect. Also for x86-64 large bss
|
||||
sections, gcc, as of 2005-07-06, will emit
|
||||
|
||||
.section .lbss,"aw",@progbits
|
||||
|
||||
"@progbits" is incorrect. */
|
||||
#ifdef TC_I386
|
||||
&& (bed->s->arch_size != 64
|
||||
|| !(ssect->attr & SHF_X86_64_LARGE))
|
||||
#endif
|
||||
&& ssect->type != SHT_INIT_ARRAY
|
||||
&& ssect->type != SHT_FINI_ARRAY
|
||||
&& ssect->type != SHT_PREINIT_ARRAY)
|
||||
|
|
|
|||
|
|
@ -244,5 +244,8 @@ extern void elf_pop_insert (void);
|
|||
struct ecoff_extr;
|
||||
extern void elf_ecoff_set_ext (symbolS *, struct ecoff_extr *);
|
||||
#endif
|
||||
extern asection *elf_com_section_ptr;
|
||||
extern symbolS * elf_common_parse (int ignore ATTRIBUTE_UNUSED, symbolS *symbolP,
|
||||
addressT size);
|
||||
|
||||
#endif /* _OBJ_ELF_H */
|
||||
|
|
|
|||
|
|
@ -305,6 +305,7 @@ static int allow_naked_reg = 0;
|
|||
leave, push, and pop instructions so that gcc has the same stack
|
||||
frame as in 32 bit mode. */
|
||||
static char stackop_size = '\0';
|
||||
static void handle_large_common (int small ATTRIBUTE_UNUSED);
|
||||
|
||||
/* Non-zero to optimize code alignment. */
|
||||
int optimize_align_code = 1;
|
||||
|
|
@ -467,6 +468,9 @@ const pseudo_typeS md_pseudo_table[] =
|
|||
{"att_syntax", set_intel_syntax, 0},
|
||||
{"file", (void (*) PARAMS ((int))) dwarf2_directive_file, 0},
|
||||
{"loc", dwarf2_directive_loc, 0},
|
||||
#if defined (OBJ_ELF) || defined (OBJ_MAYBE_ELF)
|
||||
{"largecomm", handle_large_common, 0},
|
||||
#endif
|
||||
#ifdef TE_PE
|
||||
{"secrel32", pe_directive_secrel, 0},
|
||||
#endif
|
||||
|
|
@ -6990,3 +6994,71 @@ tc_pe_dwarf2_emit_offset (symbolS *symbol, unsigned int size)
|
|||
emit_expr (&expr, size);
|
||||
}
|
||||
#endif
|
||||
|
||||
#if defined (OBJ_ELF) || defined (OBJ_MAYBE_ELF)
|
||||
/* For ELF on x86-64, add support for SHF_X86_64_LARGE. */
|
||||
|
||||
int
|
||||
x86_64_section_letter (int letter, char **ptr_msg)
|
||||
{
|
||||
if (flag_code == CODE_64BIT)
|
||||
{
|
||||
if (letter == 'l')
|
||||
return SHF_X86_64_LARGE;
|
||||
|
||||
*ptr_msg = _("Bad .section directive: want a,l,w,x,M,S,G,T in string");
|
||||
}
|
||||
else
|
||||
*ptr_msg = _("Bad .section directive: want a,w,x,M,S,G,T in string");
|
||||
return -1;
|
||||
}
|
||||
|
||||
int
|
||||
x86_64_section_word (char *str, size_t len)
|
||||
{
|
||||
if (len == 5 && flag_code == CODE_64BIT && strncmp (str, "large", 5) == 0)
|
||||
return SHF_X86_64_LARGE;
|
||||
|
||||
return -1;
|
||||
}
|
||||
|
||||
static void
|
||||
handle_large_common (int small ATTRIBUTE_UNUSED)
|
||||
{
|
||||
if (flag_code != CODE_64BIT)
|
||||
{
|
||||
s_comm_internal (0, elf_common_parse);
|
||||
as_warn (_(".largecomm supported only in 64bit mode, producing .comm"));
|
||||
}
|
||||
else
|
||||
{
|
||||
static segT lbss_section;
|
||||
asection *saved_com_section_ptr = elf_com_section_ptr;
|
||||
asection *saved_bss_section = bss_section;
|
||||
|
||||
if (lbss_section == NULL)
|
||||
{
|
||||
flagword applicable;
|
||||
segT seg = now_seg;
|
||||
subsegT subseg = now_subseg;
|
||||
|
||||
/* The .lbss section is for local .largecomm symbols. */
|
||||
lbss_section = subseg_new (".lbss", 0);
|
||||
applicable = bfd_applicable_section_flags (stdoutput);
|
||||
bfd_set_section_flags (stdoutput, lbss_section,
|
||||
applicable & SEC_ALLOC);
|
||||
seg_info (lbss_section)->bss = 1;
|
||||
|
||||
subseg_set (seg, subseg);
|
||||
}
|
||||
|
||||
elf_com_section_ptr = &_bfd_elf_large_com_section;
|
||||
bss_section = lbss_section;
|
||||
|
||||
s_comm_internal (0, elf_common_parse);
|
||||
|
||||
elf_com_section_ptr = saved_com_section_ptr;
|
||||
bss_section = saved_bss_section;
|
||||
}
|
||||
}
|
||||
#endif /* OBJ_ELF || OBJ_MAYBE_ELF */
|
||||
|
|
|
|||
|
|
@ -501,6 +501,12 @@ extern void tc_x86_frame_initial_instructions PARAMS ((void));
|
|||
#define md_elf_section_type(str,len) i386_elf_section_type (str, len)
|
||||
extern int i386_elf_section_type PARAMS ((const char *, size_t len));
|
||||
|
||||
/* Support for SHF_X86_64_LARGE */
|
||||
extern int x86_64_section_word PARAMS ((char *, size_t));
|
||||
extern int x86_64_section_letter PARAMS ((int letter, char **ptr_msg));
|
||||
#define md_elf_section_letter(LETTER, PTR_MSG) x86_64_section_letter (LETTER, PTR_MSG)
|
||||
#define md_elf_section_word(STR, LEN) x86_64_section_word (STR, LEN)
|
||||
|
||||
#ifdef TE_PE
|
||||
|
||||
#define O_secrel O_md1
|
||||
|
|
|
|||
|
|
@ -1,3 +1,8 @@
|
|||
2005-07-25 Jan Hubicka <jh@suse.cz>
|
||||
|
||||
* x86-64.h (SHN_X86_64_LCOMMON): New.
|
||||
(SHF_X86_64_LARGE): New.
|
||||
|
||||
2005-07-20 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
|
||||
|
||||
* m32r.h (R_M32R_REL32): Added.
|
||||
|
|
|
|||
|
|
@ -61,4 +61,9 @@ END_RELOC_NUMBERS (R_X86_64_max)
|
|||
|
||||
#define SHT_X86_64_UNWIND 0x70000001 /* unwind information */
|
||||
|
||||
/* Like SHN_COMMON but the symbol will be allocated in the .lbss
|
||||
section. */
|
||||
#define SHN_X86_64_LCOMMON 0xff02
|
||||
|
||||
#define SHF_X86_64_LARGE 0x10000000
|
||||
#endif
|
||||
|
|
|
|||
|
|
@ -1,3 +1,10 @@
|
|||
2005-07-25 Jan Hubicka <jh@suse.cz>
|
||||
H.J. Lu <hongjiu.lu@intel.com>
|
||||
|
||||
* emulparams/elf_x86_64.sh (LARGE_SECTIONS): New.
|
||||
|
||||
* scripttempl/elf.sc: Updated for large section support.
|
||||
|
||||
2005-07-21 Ralf Corsepius <ralf.corsepius@rtems.org>
|
||||
|
||||
* configure.tgt: Remove i[3-7]86-*-rtemself*.
|
||||
|
|
|
|||
|
|
@ -12,6 +12,7 @@ TEMPLATE_NAME=elf32
|
|||
GENERATE_SHLIB_SCRIPT=yes
|
||||
GENERATE_PIE_SCRIPT=yes
|
||||
NO_SMALL_DATA=yes
|
||||
LARGE_SECTIONS=yes
|
||||
SEPARATE_GOTPLT=24
|
||||
|
||||
if [ "x${host}" = "x${target}" ]; then
|
||||
|
|
|
|||
|
|
@ -78,6 +78,9 @@
|
|||
# .debug_info .gnu.linkonce.wi.foo
|
||||
# .tdata .gnu.linkonce.td.foo
|
||||
# .tbss .gnu.linkonce.tb.foo
|
||||
# .lrodata .gnu.linkonce.lr.foo
|
||||
# .ldata .gnu.linkonce.l.foo
|
||||
# .lbss .gnu.linkonce.lb.foo
|
||||
#
|
||||
# Each of these can also have corresponding .rel.* and .rela.* sections.
|
||||
|
||||
|
|
@ -157,6 +160,31 @@ if test -z "${SDATA_GOT}"; then
|
|||
SDATA_GOT=" "
|
||||
fi
|
||||
fi
|
||||
if test -n "${LARGE_SECTIONS}"; then
|
||||
LBSS="
|
||||
.lbss ${RELOCATING-0} :
|
||||
{
|
||||
*(.dynlbss)
|
||||
*(.lbss${RELOCATING+ .lbss.* .gnu.linkonce.lb.*})
|
||||
*(LARGE_COMMON)
|
||||
}"
|
||||
LARGE_SECTIONS="
|
||||
.lrodata ${RELOCATING-0} ${RELOCATING+ALIGN(${MAXPAGESIZE}) + (. & (${MAXPAGESIZE} - 1))} :
|
||||
{
|
||||
*(.lrodata${RELOCATING+ .lrodata.* .gnu.linkonce.lr.*})
|
||||
}
|
||||
.ldata ${RELOCATING-0} ${RELOCATING+ALIGN(${MAXPAGESIZE}) + (. & (${MAXPAGESIZE} - 1))} :
|
||||
{
|
||||
*(.ldata${RELOCATING+ .ldata.* .gnu.linkonce.l.*})
|
||||
${RELOCATING+. = ALIGN(. != 0 ? ${ALIGNMENT} : 1);}
|
||||
}"
|
||||
REL_LDATA=".rel.ldata ${RELOCATING-0} : { *(.rel.ldata${RELOCATING+ .rel.ldata.* .rel.gnu.linkonce.l.*}) }
|
||||
.rela.ldata ${RELOCATING-0} : { *(.rela.ldata${RELOCATING+ .rela.ldata.* .rela.gnu.linkonce.l.*}) }"
|
||||
REL_LBSS=".rel.lbss ${RELOCATING-0} : { *(.rel.lbss${RELOCATING+ .rel.lbss.* .rel.gnu.linkonce.lb.*}) }
|
||||
.rela.lbss ${RELOCATING-0} : { *(.rela.lbss${RELOCATING+ .rela.lbss.* .rela.gnu.linkonce.lb.*}) }"
|
||||
REL_LRODATA=".rel.lrodata ${RELOCATING-0} : { *(.rel.lrodata${RELOCATING+ .rel.lrodata.* .rel.gnu.linkonce.lr.*}) }
|
||||
.rela.lrodata ${RELOCATING-0} : { *(.rela.lrodata${RELOCATING+ .rela.lrodata.* .rela.gnu.linkonce.lr.*}) }"
|
||||
fi
|
||||
test -n "$SEPARATE_GOTPLT" && SEPARATE_GOTPLT=" "
|
||||
CTOR=".ctors ${CONSTRUCTING-0} :
|
||||
{
|
||||
|
|
@ -274,6 +302,9 @@ eval $COMBRELOCCAT <<EOF
|
|||
${REL_SBSS2}
|
||||
.rel.bss ${RELOCATING-0} : { *(.rel.bss${RELOCATING+ .rel.bss.* .rel.gnu.linkonce.b.*}) }
|
||||
.rela.bss ${RELOCATING-0} : { *(.rela.bss${RELOCATING+ .rela.bss.* .rela.gnu.linkonce.b.*}) }
|
||||
${REL_LDATA}
|
||||
${REL_LBSS}
|
||||
${REL_LRODATA}
|
||||
EOF
|
||||
if [ -n "$COMBRELOC" ]; then
|
||||
cat <<EOF
|
||||
|
|
@ -397,13 +428,17 @@ cat <<EOF
|
|||
*(COMMON)
|
||||
/* Align here to ensure that the .bss section occupies space up to
|
||||
_end. Align after .bss to ensure correct alignment even if the
|
||||
.bss section disappears because there are no input sections. */
|
||||
.bss section disappears because there are no input sections.
|
||||
FIXME: Why do we need it? When there is no .bss section, we don't
|
||||
pad the .data section. */
|
||||
${RELOCATING+. = ALIGN(. != 0 ? ${ALIGNMENT} : 1);}
|
||||
}
|
||||
${LBSS}
|
||||
${OTHER_BSS_SECTIONS}
|
||||
${RELOCATING+${OTHER_BSS_END_SYMBOLS}}
|
||||
${LARGE_SECTIONS}
|
||||
${RELOCATING+. = ALIGN(${ALIGNMENT});}
|
||||
${RELOCATING+_end = .;}
|
||||
${RELOCATING+${OTHER_BSS_END_SYMBOLS}}
|
||||
${RELOCATING+PROVIDE (end = .);}
|
||||
${RELOCATING+${DATA_SEGMENT_END}}
|
||||
|
||||
|
|
|
|||
Loading…
Reference in New Issue