* elf-bfd.h (_bfd_elf_make_dynamic_segment): Declare it.
* elf.c (_bfd_elf_make_dynamic_segment): New function, split out from ... (map_sections_to_segments): ... here. Use it. Assign a file position to the .dynamic section if it is not loadable, but part of the PT_DYNAMIC segment. * elf32-arm.h (elf32_arm_finish_dynamic_sections): Use file offsets, not VMAs, for the BPABI. Do not fill in the header in the .got.plt section for the BPABI. * elfarm-nabi.c (elf32_arm_symbian_modify_segment_map): Add a PT_DYNAMIC segment. (elf_backend_want_got_plt): Define to zero for Symbian OS. * emulparams/armsymbian.sh: Use armbpabi script. * scripttempl/armbpabi.sc: New script.
This commit is contained in:
Mark Mitchell
parent
d597aff735
commit
229fcec570
8 changed files with 609 additions and 34 deletions
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@ -1,3 +1,18 @@
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2004-09-06 Mark Mitchell <mark@codesourcery.com>
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* elf-bfd.h (_bfd_elf_make_dynamic_segment): Declare it.
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* elf.c (_bfd_elf_make_dynamic_segment): New function, split out
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from ...
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(map_sections_to_segments): ... here. Use it. Assign a file
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position to the .dynamic section if it is not loadable, but part
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of the PT_DYNAMIC segment.
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* elf32-arm.h (elf32_arm_finish_dynamic_sections): Use file
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offsets, not VMAs, for the BPABI. Do not fill in the header in
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the .got.plt section for the BPABI.
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* elfarm-nabi.c (elf32_arm_symbian_modify_segment_map): Add a
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PT_DYNAMIC segment.
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(elf_backend_want_got_plt): Define to zero for Symbian OS.
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2004-09-06 Nick Clifton <nickc@redhat.com>
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* elflink.c (elf_link_add_object_symbols): Set the error code to
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@ -1734,6 +1734,10 @@ extern bfd_boolean bfd_elf_gc_common_final_link
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extern bfd_boolean bfd_elf_reloc_symbol_deleted_p
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(bfd_vma, void *);
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extern struct elf_segment_map *
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_bfd_elf_make_dynamic_segment
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(bfd *, asection *);
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/* Exported interface for writing elf corefile notes. */
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extern char *elfcore_write_note
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(bfd *, char *, int *, const char *, int, const void *, int);
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43
bfd/elf.c
43
bfd/elf.c
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@ -3329,6 +3329,25 @@ make_mapping (bfd *abfd,
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return m;
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}
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/* Create the PT_DYNAMIC segment, which includes DYNSEC. Returns NULL
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on failure. */
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struct elf_segment_map *
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_bfd_elf_make_dynamic_segment (bfd *abfd, asection *dynsec)
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{
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struct elf_segment_map *m;
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m = bfd_zalloc (abfd, sizeof (struct elf_segment_map));
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if (m == NULL)
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return NULL;
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m->next = NULL;
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m->p_type = PT_DYNAMIC;
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m->count = 1;
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m->sections[0] = dynsec;
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return m;
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}
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/* Set up a mapping from BFD sections to program segments. */
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static bfd_boolean
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@ -3566,15 +3585,9 @@ map_sections_to_segments (bfd *abfd)
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/* If there is a .dynamic section, throw in a PT_DYNAMIC segment. */
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if (dynsec != NULL)
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{
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amt = sizeof (struct elf_segment_map);
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m = bfd_zalloc (abfd, amt);
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m = _bfd_elf_make_dynamic_segment (abfd, dynsec);
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if (m == NULL)
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goto error_return;
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m->next = NULL;
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m->p_type = PT_DYNAMIC;
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m->count = 1;
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m->sections[0] = dynsec;
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*pm = m;
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pm = &m->next;
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}
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@ -4215,6 +4228,22 @@ Error: First section in segment (%s) starts at 0x%x whereas the segment starts a
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if (p->p_type != PT_LOAD && m->count > 0)
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{
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BFD_ASSERT (! m->includes_filehdr && ! m->includes_phdrs);
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/* If the section has not yet been assigned a file position,
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do so now. The ARM BPABI requires that .dynamic section
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not be marked SEC_ALLOC because it is not part of any
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PT_LOAD segment, so it will not be processed above. */
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if (p->p_type == PT_DYNAMIC && m->sections[0]->filepos == 0)
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{
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unsigned int i;
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Elf_Internal_Shdr ** const i_shdrpp = elf_elfsections (abfd);
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i = 1;
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while (i_shdrpp[i]->bfd_section != m->sections[0])
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++i;
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off = (_bfd_elf_assign_file_position_for_section
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(i_shdrpp[i], off, TRUE));
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p->p_filesz = m->sections[0]->size;
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}
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p->p_offset = m->sections[0]->filepos;
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}
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if (m->count == 0)
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@ -3861,14 +3861,16 @@ elf32_arm_finish_dynamic_sections (bfd * output_bfd, struct bfd_link_info * info
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dynobj = elf_hash_table (info)->dynobj;
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sgot = bfd_get_section_by_name (dynobj, ".got.plt");
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BFD_ASSERT (sgot != NULL);
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BFD_ASSERT (elf32_arm_hash_table (info)->symbian_p || sgot != NULL);
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sdyn = bfd_get_section_by_name (dynobj, ".dynamic");
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if (elf_hash_table (info)->dynamic_sections_created)
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{
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asection *splt;
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Elf32_External_Dyn *dyncon, *dynconend;
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struct elf32_arm_link_hash_table *htab;
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htab = elf32_arm_hash_table (info);
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splt = bfd_get_section_by_name (dynobj, ".plt");
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BFD_ASSERT (splt != NULL && sdyn != NULL);
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@ -3885,9 +3887,21 @@ elf32_arm_finish_dynamic_sections (bfd * output_bfd, struct bfd_link_info * info
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switch (dyn.d_tag)
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{
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unsigned int type;
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default:
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break;
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case DT_HASH:
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name = ".hash";
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goto get_vma_if_bpabi;
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case DT_STRTAB:
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name = ".dynstr";
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goto get_vma_if_bpabi;
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case DT_SYMTAB:
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name = ".dynsym";
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goto get_vma_if_bpabi;
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case DT_PLTGOT:
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name = ".got";
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goto get_vma;
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@ -3896,10 +3910,21 @@ elf32_arm_finish_dynamic_sections (bfd * output_bfd, struct bfd_link_info * info
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get_vma:
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s = bfd_get_section_by_name (output_bfd, name);
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BFD_ASSERT (s != NULL);
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if (!htab->symbian_p)
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dyn.d_un.d_ptr = s->vma;
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else
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/* In the BPABI, tags in the PT_DYNAMIC section point
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at the file offset, not the memory address, for the
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convenience of the post linker. */
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dyn.d_un.d_ptr = s->filepos;
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bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
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break;
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get_vma_if_bpabi:
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if (htab->symbian_p)
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goto get_vma;
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break;
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case DT_PLTRELSZ:
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s = bfd_get_section_by_name (output_bfd, ".rel.plt");
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BFD_ASSERT (s != NULL);
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@ -3908,6 +3933,8 @@ elf32_arm_finish_dynamic_sections (bfd * output_bfd, struct bfd_link_info * info
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break;
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case DT_RELSZ:
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if (!htab->symbian_p)
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{
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/* My reading of the SVR4 ABI indicates that the
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procedure linkage table relocs (DT_JMPREL) should be
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included in the overall relocs (DT_REL). This is
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@ -3922,6 +3949,43 @@ elf32_arm_finish_dynamic_sections (bfd * output_bfd, struct bfd_link_info * info
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dyn.d_un.d_val -= s->size;
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bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
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break;
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}
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/* Fall through */
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case DT_REL:
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case DT_RELA:
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case DT_RELASZ:
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/* In the BPABI, the DT_REL tag must point at the file
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offset, not the VMA, of the first relocation
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section. So, we use code similar to that in
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elflink.c, but do not check for SHF_ALLOC on the
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relcoation section, since relocations sections are
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never allocated under the BPABI. The comments above
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about Unixware notwithstanding, we include all of the
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relocations here. */
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if (htab->symbian_p)
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{
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unsigned int i;
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type = ((dyn.d_tag == DT_REL || dyn.d_tag == DT_RELSZ)
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? SHT_REL : SHT_RELA);
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dyn.d_un.d_val = 0;
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for (i = 1; i < elf_numsections (output_bfd); i++)
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{
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Elf_Internal_Shdr *hdr
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= elf_elfsections (output_bfd)[i];
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if (hdr->sh_type == type)
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{
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if (dyn.d_tag == DT_RELSZ
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|| dyn.d_tag == DT_RELASZ)
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dyn.d_un.d_val += hdr->sh_size;
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else if (dyn.d_un.d_val == 0
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|| hdr->sh_offset < dyn.d_un.d_val)
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dyn.d_un.d_val = hdr->sh_offset;
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}
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}
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bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
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}
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break;
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/* Set the bottom bit of DT_INIT/FINI if the
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corresponding function is Thumb. */
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@ -3981,6 +4045,8 @@ elf32_arm_finish_dynamic_sections (bfd * output_bfd, struct bfd_link_info * info
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}
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/* Fill in the first three entries in the global offset table. */
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if (sgot)
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{
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if (sgot->size > 0)
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{
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if (sdyn == NULL)
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@ -3994,6 +4060,7 @@ elf32_arm_finish_dynamic_sections (bfd * output_bfd, struct bfd_link_info * info
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}
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elf_section_data (sgot->output_section)->this_hdr.sh_entsize = 4;
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}
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return TRUE;
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}
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@ -936,6 +936,7 @@ elf32_arm_symbian_modify_segment_map (abfd, info)
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struct bfd_link_info *info ATTRIBUTE_UNUSED;
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{
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struct elf_segment_map *m;
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asection *dynsec;
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/* The first PT_LOAD segment will have the program headers and file
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headers in it by default -- but BPABI object files should not
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@ -946,6 +947,19 @@ elf32_arm_symbian_modify_segment_map (abfd, info)
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m->includes_filehdr = 0;
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m->includes_phdrs = 0;
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}
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/* BPABI shared libraries and executables should have a PT_DYNAMIC
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segment. However, because the .dynamic section is not marked
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with SEC_LOAD, the generic ELF code will not create such a
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segment. */
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dynsec = bfd_get_section_by_name (abfd, ".dynamic");
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if (dynsec)
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{
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m = _bfd_elf_make_dynamic_segment (abfd, dynsec);
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m->next = elf_tdata (abfd)->segment_map;
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elf_tdata (abfd)->segment_map = m;
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}
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return TRUE;
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}
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@ -970,5 +984,9 @@ elf32_arm_symbian_modify_segment_map (abfd, info)
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#undef elf_backend_got_header_size
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#define elf_backend_got_header_size 0
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/* Similarly, there is no .got.plt section. */
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#undef elf_backend_want_got_plt
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#define elf_backend_want_got_plt 0
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#include "elf32-target.h"
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@ -1,3 +1,8 @@
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2004-09-06 Mark Mitchell <mark@codesourcery.com>
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* emulparams/armsymbian.sh: Use armbpabi script.
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* scripttempl/armbpabi.sc: New script.
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2004-09-02 Mark Mitchell <mark@codesourcery.com>
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* Makefile.am (ALL_EMULATIONS): Add earmsymbian.o.
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|
|
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|
|
@ -1,4 +1,6 @@
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. ${srcdir}/emulparams/armelf.sh
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SCRIPT_NAME="armbpabi"
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GENERATE_COMBRELOC_SCRIPT=1
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OUTPUT_FORMAT="elf32-littlearm-symbian"
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BIG_OUTPUT_FORMAT="elf32-bigarm-symbian"
|
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LITTLE_OUTPUT_FORMAT="$OUTPUT_FORMAT"
|
||||
|
|
|
|||
435
ld/scripttempl/armbpabi.sc
Normal file
435
ld/scripttempl/armbpabi.sc
Normal file
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|
@ -0,0 +1,435 @@
|
|||
# This variant of elf.sc is used for ARM BPABI platforms, like Symbian
|
||||
# OS, where a separate postlinker will operated on the generated
|
||||
# executable or shared object.
|
||||
|
||||
#
|
||||
# Unusual variables checked by this code:
|
||||
# NOP - four byte opcode for no-op (defaults to 0)
|
||||
# NO_SMALL_DATA - no .sbss/.sbss2/.sdata/.sdata2 sections if not
|
||||
# empty.
|
||||
# DATA_ADDR - if end-of-text-plus-one-page isn't right for data start
|
||||
# INITIAL_READONLY_SECTIONS - at start of text segment
|
||||
# OTHER_READONLY_SECTIONS - other than .text .init .rodata ...
|
||||
# (e.g., .PARISC.milli)
|
||||
# OTHER_TEXT_SECTIONS - these get put in .text when relocating
|
||||
# OTHER_READWRITE_SECTIONS - other than .data .bss .ctors .sdata ...
|
||||
# (e.g., .PARISC.global)
|
||||
# OTHER_RELRO_SECTIONS - other than .data.rel.ro ...
|
||||
# (e.g. PPC32 .fixup, .got[12])
|
||||
# OTHER_BSS_SECTIONS - other than .bss .sbss ...
|
||||
# OTHER_SECTIONS - at the end
|
||||
# EXECUTABLE_SYMBOLS - symbols that must be defined for an
|
||||
# executable (e.g., _DYNAMIC_LINK)
|
||||
# TEXT_START_SYMBOLS - symbols that appear at the start of the
|
||||
# .text section.
|
||||
# DATA_START_SYMBOLS - symbols that appear at the start of the
|
||||
# .data section.
|
||||
# OTHER_SDATA_SECTIONS - sections just after .sdata.
|
||||
# OTHER_BSS_SYMBOLS - symbols that appear at the start of the
|
||||
# .bss section besides __bss_start.
|
||||
# DATA_PLT - .plt should be in data segment, not text segment.
|
||||
# PLT_BEFORE_GOT - .plt just before .got when .plt is in data segement.
|
||||
# BSS_PLT - .plt should be in bss segment
|
||||
# TEXT_DYNAMIC - .dynamic in text segment, not data segment.
|
||||
# EMBEDDED - whether this is for an embedded system.
|
||||
# SHLIB_TEXT_START_ADDR - if set, add to SIZEOF_HEADERS to set
|
||||
# start address of shared library.
|
||||
# INPUT_FILES - INPUT command of files to always include
|
||||
# WRITABLE_RODATA - if set, the .rodata section should be writable
|
||||
# INIT_START, INIT_END - statements just before and just after
|
||||
# combination of .init sections.
|
||||
# FINI_START, FINI_END - statements just before and just after
|
||||
# combination of .fini sections.
|
||||
# STACK_ADDR - start of a .stack section.
|
||||
# OTHER_END_SYMBOLS - symbols to place right at the end of the script.
|
||||
# SEPARATE_GOTPLT - if set, .got.plt should be separate output section,
|
||||
# so that .got can be in the RELRO area. It should be set to
|
||||
# the number of bytes in the beginning of .got.plt which can be
|
||||
# in the RELRO area as well.
|
||||
#
|
||||
# When adding sections, do note that the names of some sections are used
|
||||
# when specifying the start address of the next.
|
||||
#
|
||||
|
||||
# Many sections come in three flavours. There is the 'real' section,
|
||||
# like ".data". Then there are the per-procedure or per-variable
|
||||
# sections, generated by -ffunction-sections and -fdata-sections in GCC,
|
||||
# and useful for --gc-sections, which for a variable "foo" might be
|
||||
# ".data.foo". Then there are the linkonce sections, for which the linker
|
||||
# eliminates duplicates, which are named like ".gnu.linkonce.d.foo".
|
||||
# The exact correspondences are:
|
||||
#
|
||||
# Section Linkonce section
|
||||
# .text .gnu.linkonce.t.foo
|
||||
# .rodata .gnu.linkonce.r.foo
|
||||
# .data .gnu.linkonce.d.foo
|
||||
# .bss .gnu.linkonce.b.foo
|
||||
# .sdata .gnu.linkonce.s.foo
|
||||
# .sbss .gnu.linkonce.sb.foo
|
||||
# .sdata2 .gnu.linkonce.s2.foo
|
||||
# .sbss2 .gnu.linkonce.sb2.foo
|
||||
# .debug_info .gnu.linkonce.wi.foo
|
||||
# .tdata .gnu.linkonce.td.foo
|
||||
# .tbss .gnu.linkonce.tb.foo
|
||||
#
|
||||
# Each of these can also have corresponding .rel.* and .rela.* sections.
|
||||
|
||||
test -z "$ENTRY" && ENTRY=_start
|
||||
test -z "${BIG_OUTPUT_FORMAT}" && BIG_OUTPUT_FORMAT=${OUTPUT_FORMAT}
|
||||
test -z "${LITTLE_OUTPUT_FORMAT}" && LITTLE_OUTPUT_FORMAT=${OUTPUT_FORMAT}
|
||||
if [ -z "$MACHINE" ]; then OUTPUT_ARCH=${ARCH}; else OUTPUT_ARCH=${ARCH}:${MACHINE}; fi
|
||||
test -z "${ELFSIZE}" && ELFSIZE=32
|
||||
test -z "${ALIGNMENT}" && ALIGNMENT="${ELFSIZE} / 8"
|
||||
test "$LD_FLAG" = "N" && DATA_ADDR=.
|
||||
test -n "$CREATE_SHLIB$CREATE_PIE" && test -n "$SHLIB_DATA_ADDR" && COMMONPAGESIZE=""
|
||||
test -z "$CREATE_SHLIB$CREATE_PIE" && test -n "$DATA_ADDR" && COMMONPAGESIZE=""
|
||||
test -n "$RELRO_NOW" && unset SEPARATE_GOTPLT
|
||||
DATA_SEGMENT_ALIGN="ALIGN(${SEGMENT_SIZE}) + (. & (${MAXPAGESIZE} - 1))"
|
||||
DATA_SEGMENT_RELRO_END=""
|
||||
DATA_SEGMENT_RELRO_GOTPLT_END=""
|
||||
DATA_SEGMENT_END=""
|
||||
if test -n "${COMMONPAGESIZE}"; then
|
||||
DATA_SEGMENT_ALIGN="ALIGN (${SEGMENT_SIZE}) - ((${MAXPAGESIZE} - .) & (${MAXPAGESIZE} - 1)); . = DATA_SEGMENT_ALIGN (${MAXPAGESIZE}, ${COMMONPAGESIZE})"
|
||||
DATA_SEGMENT_END=". = DATA_SEGMENT_END (.);"
|
||||
if test -n "${SEPARATE_GOTPLT}"; then
|
||||
DATA_SEGMENT_RELRO_GOTPLT_END=". = DATA_SEGMENT_RELRO_END (. + ${SEPARATE_GOTPLT});"
|
||||
else
|
||||
DATA_SEGMENT_RELRO_END=". = DATA_SEGMENT_RELRO_END (.);"
|
||||
fi
|
||||
fi
|
||||
INTERP=".interp 0 : { *(.interp) }"
|
||||
PLT=".plt ${RELOCATING-0} : { *(.plt) }"
|
||||
RODATA=".rodata ${RELOCATING-0} : { *(.rodata${RELOCATING+ .rodata.* .gnu.linkonce.r.*}) }"
|
||||
DATARELRO=".data.rel.ro : { *(.data.rel.ro.local) *(.data.rel.ro*) }"
|
||||
STACKNOTE="/DISCARD/ : { *(.note.GNU-stack) }"
|
||||
if test -z "${NO_SMALL_DATA}"; then
|
||||
SBSS=".sbss ${RELOCATING-0} :
|
||||
{
|
||||
${RELOCATING+PROVIDE (__sbss_start = .);}
|
||||
${RELOCATING+PROVIDE (___sbss_start = .);}
|
||||
*(.dynsbss)
|
||||
*(.sbss${RELOCATING+ .sbss.* .gnu.linkonce.sb.*})
|
||||
*(.scommon)
|
||||
${RELOCATING+PROVIDE (__sbss_end = .);}
|
||||
${RELOCATING+PROVIDE (___sbss_end = .);}
|
||||
}"
|
||||
SBSS2=".sbss2 ${RELOCATING-0} : { *(.sbss2${RELOCATING+ .sbss2.* .gnu.linkonce.sb2.*}) }"
|
||||
SDATA="/* We want the small data sections together, so single-instruction offsets
|
||||
can access them all, and initialized data all before uninitialized, so
|
||||
we can shorten the on-disk segment size. */
|
||||
.sdata ${RELOCATING-0} :
|
||||
{
|
||||
${RELOCATING+${SDATA_START_SYMBOLS}}
|
||||
*(.sdata${RELOCATING+ .sdata.* .gnu.linkonce.s.*})
|
||||
}"
|
||||
SDATA2=".sdata2 ${RELOCATING-0} : { *(.sdata2${RELOCATING+ .sdata2.* .gnu.linkonce.s2.*}) }"
|
||||
REL_SDATA=".rel.sdata ${RELOCATING-0} : { *(.rel.sdata${RELOCATING+ .rel.sdata.* .rel.gnu.linkonce.s.*}) }
|
||||
.rela.sdata ${RELOCATING-0} : { *(.rela.sdata${RELOCATING+ .rela.sdata.* .rela.gnu.linkonce.s.*}) }"
|
||||
REL_SBSS=".rel.sbss ${RELOCATING-0} : { *(.rel.sbss${RELOCATING+ .rel.sbss.* .rel.gnu.linkonce.sb.*}) }
|
||||
.rela.sbss ${RELOCATING-0} : { *(.rela.sbss${RELOCATING+ .rela.sbss.* .rela.gnu.linkonce.sb.*}) }"
|
||||
REL_SDATA2=".rel.sdata2 ${RELOCATING-0} : { *(.rel.sdata2${RELOCATING+ .rel.sdata2.* .rel.gnu.linkonce.s2.*}) }
|
||||
.rela.sdata2 ${RELOCATING-0} : { *(.rela.sdata2${RELOCATING+ .rela.sdata2.* .rela.gnu.linkonce.s2.*}) }"
|
||||
REL_SBSS2=".rel.sbss2 ${RELOCATING-0} : { *(.rel.sbss2${RELOCATING+ .rel.sbss2.* .rel.gnu.linkonce.sb2.*}) }
|
||||
.rela.sbss2 ${RELOCATING-0} : { *(.rela.sbss2${RELOCATING+ .rela.sbss2.* .rela.gnu.linkonce.sb2.*}) }"
|
||||
else
|
||||
NO_SMALL_DATA=" "
|
||||
fi
|
||||
test -n "$SEPARATE_GOTPLT" && SEPARATE_GOTPLT=" "
|
||||
CTOR=".ctors ${CONSTRUCTING-0} :
|
||||
{
|
||||
${CONSTRUCTING+${CTOR_START}}
|
||||
/* gcc uses crtbegin.o to find the start of
|
||||
the constructors, so we make sure it is
|
||||
first. Because this is a wildcard, it
|
||||
doesn't matter if the user does not
|
||||
actually link against crtbegin.o; the
|
||||
linker won't look for a file to match a
|
||||
wildcard. The wildcard also means that it
|
||||
doesn't matter which directory crtbegin.o
|
||||
is in. */
|
||||
|
||||
KEEP (*crtbegin*.o(.ctors))
|
||||
|
||||
/* We don't want to include the .ctor section from
|
||||
from the crtend.o file until after the sorted ctors.
|
||||
The .ctor section from the crtend file contains the
|
||||
end of ctors marker and it must be last */
|
||||
|
||||
KEEP (*(EXCLUDE_FILE (*crtend*.o $OTHER_EXCLUDE_FILES) .ctors))
|
||||
KEEP (*(SORT(.ctors.*)))
|
||||
KEEP (*(.ctors))
|
||||
${CONSTRUCTING+${CTOR_END}}
|
||||
}"
|
||||
DTOR=".dtors ${CONSTRUCTING-0} :
|
||||
{
|
||||
${CONSTRUCTING+${DTOR_START}}
|
||||
KEEP (*crtbegin*.o(.dtors))
|
||||
KEEP (*(EXCLUDE_FILE (*crtend*.o $OTHER_EXCLUDE_FILES) .dtors))
|
||||
KEEP (*(SORT(.dtors.*)))
|
||||
KEEP (*(.dtors))
|
||||
${CONSTRUCTING+${DTOR_END}}
|
||||
}"
|
||||
STACK=" .stack ${RELOCATING-0}${RELOCATING+${STACK_ADDR}} :
|
||||
{
|
||||
${RELOCATING+_stack = .;}
|
||||
*(.stack)
|
||||
}"
|
||||
|
||||
# if this is for an embedded system, don't add SIZEOF_HEADERS.
|
||||
if [ -z "$EMBEDDED" ]; then
|
||||
test -z "${TEXT_BASE_ADDRESS}" && TEXT_BASE_ADDRESS="${TEXT_START_ADDR} + SIZEOF_HEADERS"
|
||||
else
|
||||
test -z "${TEXT_BASE_ADDRESS}" && TEXT_BASE_ADDRESS="${TEXT_START_ADDR}"
|
||||
fi
|
||||
|
||||
cat <<EOF
|
||||
OUTPUT_FORMAT("${OUTPUT_FORMAT}", "${BIG_OUTPUT_FORMAT}",
|
||||
"${LITTLE_OUTPUT_FORMAT}")
|
||||
OUTPUT_ARCH(${OUTPUT_ARCH})
|
||||
ENTRY(${ENTRY})
|
||||
|
||||
${RELOCATING+${LIB_SEARCH_DIRS}}
|
||||
${RELOCATING+/* Do we need any of these for elf?
|
||||
__DYNAMIC = 0; ${STACKZERO+${STACKZERO}} ${SHLIB_PATH+${SHLIB_PATH}} */}
|
||||
${RELOCATING+${EXECUTABLE_SYMBOLS}}
|
||||
${RELOCATING+${INPUT_FILES}}
|
||||
${RELOCATING- /* For some reason, the Solaris linker makes bad executables
|
||||
if gld -r is used and the intermediate file has sections starting
|
||||
at non-zero addresses. Could be a Solaris ld bug, could be a GNU ld
|
||||
bug. But for now assigning the zero vmas works. */}
|
||||
|
||||
SECTIONS
|
||||
{
|
||||
/* Read-only sections, merged into text segment: */
|
||||
${CREATE_SHLIB-${CREATE_PIE-${RELOCATING+PROVIDE (__executable_start = ${TEXT_START_ADDR}); . = ${TEXT_BASE_ADDRESS};}}}
|
||||
${CREATE_SHLIB+${RELOCATING+. = ${SHLIB_TEXT_START_ADDR:-0} + SIZEOF_HEADERS;}}
|
||||
${CREATE_PIE+${RELOCATING+. = ${SHLIB_TEXT_START_ADDR:-0} + SIZEOF_HEADERS;}}
|
||||
${INITIAL_READONLY_SECTIONS}
|
||||
.gnu.version ${RELOCATING-0} : { *(.gnu.version) }
|
||||
.gnu.version_d ${RELOCATING-0}: { *(.gnu.version_d) }
|
||||
.gnu.version_r ${RELOCATING-0}: { *(.gnu.version_r) }
|
||||
|
||||
EOF
|
||||
if [ "x$COMBRELOC" = x ]; then
|
||||
COMBRELOCCAT=cat
|
||||
else
|
||||
COMBRELOCCAT="cat > $COMBRELOC"
|
||||
fi
|
||||
eval $COMBRELOCCAT <<EOF
|
||||
.rel.init ${RELOCATING-0} : { *(.rel.init) }
|
||||
.rela.init ${RELOCATING-0} : { *(.rela.init) }
|
||||
.rel.text ${RELOCATING-0} : { *(.rel.text${RELOCATING+ .rel.text.* .rel.gnu.linkonce.t.*}) }
|
||||
.rela.text ${RELOCATING-0} : { *(.rela.text${RELOCATING+ .rela.text.* .rela.gnu.linkonce.t.*}) }
|
||||
.rel.fini ${RELOCATING-0} : { *(.rel.fini) }
|
||||
.rela.fini ${RELOCATING-0} : { *(.rela.fini) }
|
||||
.rel.rodata ${RELOCATING-0} : { *(.rel.rodata${RELOCATING+ .rel.rodata.* .rel.gnu.linkonce.r.*}) }
|
||||
.rela.rodata ${RELOCATING-0} : { *(.rela.rodata${RELOCATING+ .rela.rodata.* .rela.gnu.linkonce.r.*}) }
|
||||
${OTHER_READONLY_RELOC_SECTIONS}
|
||||
.rel.data.rel.ro ${RELOCATING-0} : { *(.rel.data.rel.ro${RELOCATING+*}) }
|
||||
.rela.data.rel.ro ${RELOCATING-0} : { *(.rel.data.rel.ro${RELOCATING+*}) }
|
||||
.rel.data ${RELOCATING-0} : { *(.rel.data${RELOCATING+ .rel.data.* .rel.gnu.linkonce.d.*}) }
|
||||
.rela.data ${RELOCATING-0} : { *(.rela.data${RELOCATING+ .rela.data.* .rela.gnu.linkonce.d.*}) }
|
||||
.rel.tdata ${RELOCATING-0} : { *(.rel.tdata${RELOCATING+ .rel.tdata.* .rel.gnu.linkonce.td.*}) }
|
||||
.rela.tdata ${RELOCATING-0} : { *(.rela.tdata${RELOCATING+ .rela.tdata.* .rela.gnu.linkonce.td.*}) }
|
||||
.rel.tbss ${RELOCATING-0} : { *(.rel.tbss${RELOCATING+ .rel.tbss.* .rel.gnu.linkonce.tb.*}) }
|
||||
.rela.tbss ${RELOCATING-0} : { *(.rela.tbss${RELOCATING+ .rela.tbss.* .rela.gnu.linkonce.tb.*}) }
|
||||
.rel.ctors ${RELOCATING-0} : { *(.rel.ctors) }
|
||||
.rela.ctors ${RELOCATING-0} : { *(.rela.ctors) }
|
||||
.rel.dtors ${RELOCATING-0} : { *(.rel.dtors) }
|
||||
.rela.dtors ${RELOCATING-0} : { *(.rela.dtors) }
|
||||
${REL_SDATA}
|
||||
${REL_SBSS}
|
||||
${REL_SDATA2}
|
||||
${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.*}) }
|
||||
EOF
|
||||
if [ -n "$COMBRELOC" ]; then
|
||||
cat <<EOF
|
||||
.rel.dyn ${RELOCATING-0} :
|
||||
{
|
||||
EOF
|
||||
sed -e '/^[ ]*[{}][ ]*$/d;/:[ ]*$/d;/\.rela\./d;s/^.*: { *\(.*\)}$/ \1/' $COMBRELOC
|
||||
cat <<EOF
|
||||
}
|
||||
.rela.dyn ${RELOCATING-0} :
|
||||
{
|
||||
EOF
|
||||
sed -e '/^[ ]*[{}][ ]*$/d;/:[ ]*$/d;/\.rel\./d;s/^.*: { *\(.*\)}/ \1/' $COMBRELOC
|
||||
cat <<EOF
|
||||
}
|
||||
EOF
|
||||
fi
|
||||
cat <<EOF
|
||||
.rel.plt ${RELOCATING-0} : { *(.rel.plt) }
|
||||
.rela.plt ${RELOCATING-0} : { *(.rela.plt) }
|
||||
${OTHER_PLT_RELOC_SECTIONS}
|
||||
|
||||
.init ${RELOCATING-0} :
|
||||
{
|
||||
${RELOCATING+${INIT_START}}
|
||||
KEEP (*(.init))
|
||||
${RELOCATING+${INIT_END}}
|
||||
} =${NOP-0}
|
||||
|
||||
${DATA_PLT-${BSS_PLT-${PLT}}}
|
||||
.text ${RELOCATING-0} :
|
||||
{
|
||||
${RELOCATING+${TEXT_START_SYMBOLS}}
|
||||
*(.text .stub${RELOCATING+ .text.* .gnu.linkonce.t.*})
|
||||
KEEP (*(.text.*personality*))
|
||||
/* .gnu.warning sections are handled specially by elf32.em. */
|
||||
*(.gnu.warning)
|
||||
${RELOCATING+${OTHER_TEXT_SECTIONS}}
|
||||
} =${NOP-0}
|
||||
.fini ${RELOCATING-0} :
|
||||
{
|
||||
${RELOCATING+${FINI_START}}
|
||||
KEEP (*(.fini))
|
||||
${RELOCATING+${FINI_END}}
|
||||
} =${NOP-0}
|
||||
${RELOCATING+PROVIDE (__etext = .);}
|
||||
${RELOCATING+PROVIDE (_etext = .);}
|
||||
${RELOCATING+PROVIDE (etext = .);}
|
||||
${WRITABLE_RODATA-${RODATA}}
|
||||
.rodata1 ${RELOCATING-0} : { *(.rodata1) }
|
||||
${CREATE_SHLIB-${SDATA2}}
|
||||
${CREATE_SHLIB-${SBSS2}}
|
||||
${OTHER_READONLY_SECTIONS}
|
||||
.eh_frame_hdr : { *(.eh_frame_hdr) }
|
||||
.eh_frame ${RELOCATING-0} : ONLY_IF_RO { KEEP (*(.eh_frame)) }
|
||||
.gcc_except_table ${RELOCATING-0} : ONLY_IF_RO { KEEP (*(.gcc_except_table)) *(.gcc_except_table.*) }
|
||||
|
||||
/* Adjust the address for the data segment. We want to adjust up to
|
||||
the same address within the page on the next page up. */
|
||||
${CREATE_SHLIB-${CREATE_PIE-${RELOCATING+. = ${DATA_ADDR-${DATA_SEGMENT_ALIGN}};}}}
|
||||
${CREATE_SHLIB+${RELOCATING+. = ${SHLIB_DATA_ADDR-${DATA_SEGMENT_ALIGN}};}}
|
||||
${CREATE_PIE+${RELOCATING+. = ${SHLIB_DATA_ADDR-${DATA_SEGMENT_ALIGN}};}}
|
||||
|
||||
/* Exception handling */
|
||||
.eh_frame ${RELOCATING-0} : ONLY_IF_RW { KEEP (*(.eh_frame)) }
|
||||
.gcc_except_table ${RELOCATING-0} : ONLY_IF_RW { KEEP (*(.gcc_except_table)) *(.gcc_except_table.*) }
|
||||
|
||||
/* Thread Local Storage sections */
|
||||
.tdata ${RELOCATING-0} : { *(.tdata${RELOCATING+ .tdata.* .gnu.linkonce.td.*}) }
|
||||
.tbss ${RELOCATING-0} : { *(.tbss${RELOCATING+ .tbss.* .gnu.linkonce.tb.*})${RELOCATING+ *(.tcommon)} }
|
||||
|
||||
/* Ensure the __preinit_array_start label is properly aligned. We
|
||||
could instead move the label definition inside the section, but
|
||||
the linker would then create the section even if it turns out to
|
||||
be empty, which isn't pretty. */
|
||||
${RELOCATING+. = ALIGN(${ALIGNMENT});}
|
||||
${RELOCATING+${CREATE_SHLIB-PROVIDE (__preinit_array_start = .);}}
|
||||
.preinit_array ${RELOCATING-0} : { *(.preinit_array) }
|
||||
${RELOCATING+${CREATE_SHLIB-PROVIDE (__preinit_array_end = .);}}
|
||||
|
||||
${RELOCATING+${CREATE_SHLIB-PROVIDE (__init_array_start = .);}}
|
||||
.init_array ${RELOCATING-0} : { *(.init_array) }
|
||||
${RELOCATING+${CREATE_SHLIB-PROVIDE (__init_array_end = .);}}
|
||||
|
||||
${RELOCATING+${CREATE_SHLIB-PROVIDE (__fini_array_start = .);}}
|
||||
.fini_array ${RELOCATING-0} : { *(.fini_array) }
|
||||
${RELOCATING+${CREATE_SHLIB-PROVIDE (__fini_array_end = .);}}
|
||||
|
||||
${RELOCATING+${CTOR}}
|
||||
${RELOCATING+${DTOR}}
|
||||
.jcr ${RELOCATING-0} : { KEEP (*(.jcr)) }
|
||||
|
||||
${RELOCATING+${DATARELRO}}
|
||||
${OTHER_RELRO_SECTIONS}
|
||||
${RELOCATING+${DATA_SEGMENT_RELRO_END}}
|
||||
|
||||
${DATA_PLT+${PLT_BEFORE_GOT-${PLT}}}
|
||||
|
||||
.data ${RELOCATING-0} :
|
||||
{
|
||||
${RELOCATING+${DATA_START_SYMBOLS}}
|
||||
*(.data${RELOCATING+ .data.* .gnu.linkonce.d.*})
|
||||
KEEP (*(.gnu.linkonce.d.*personality*))
|
||||
${CONSTRUCTING+SORT(CONSTRUCTORS)}
|
||||
}
|
||||
.data1 ${RELOCATING-0} : { *(.data1) }
|
||||
${WRITABLE_RODATA+${RODATA}}
|
||||
${OTHER_READWRITE_SECTIONS}
|
||||
${DATA_PLT+${PLT_BEFORE_GOT+${PLT}}}
|
||||
${CREATE_SHLIB+${SDATA2}}
|
||||
${CREATE_SHLIB+${SBSS2}}
|
||||
${SDATA}
|
||||
${OTHER_SDATA_SECTIONS}
|
||||
${RELOCATING+_edata = .;}
|
||||
${RELOCATING+PROVIDE (edata = .);}
|
||||
${RELOCATING+__bss_start = .;}
|
||||
${RELOCATING+${OTHER_BSS_SYMBOLS}}
|
||||
${SBSS}
|
||||
${BSS_PLT+${PLT}}
|
||||
.bss ${RELOCATING-0} :
|
||||
{
|
||||
*(.dynbss)
|
||||
*(.bss${RELOCATING+ .bss.* .gnu.linkonce.b.*})
|
||||
*(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. */
|
||||
${RELOCATING+. = ALIGN(${ALIGNMENT});}
|
||||
}
|
||||
${OTHER_BSS_SECTIONS}
|
||||
${RELOCATING+. = ALIGN(${ALIGNMENT});}
|
||||
${RELOCATING+_end = .;}
|
||||
${RELOCATING+${OTHER_BSS_END_SYMBOLS}}
|
||||
${RELOCATING+PROVIDE (end = .);}
|
||||
${RELOCATING+${DATA_SEGMENT_END}}
|
||||
|
||||
/* These sections are not mapped under the BPABI. */
|
||||
.dynamic 0 : { *(.dynamic) }
|
||||
.hash 0 : { *(.hash) }
|
||||
.dynsym 0 : { *(.dynsym) }
|
||||
.dynstr 0 : { *(.dynstr) }
|
||||
${CREATE_SHLIB-${INTERP}}
|
||||
|
||||
/* Stabs debugging sections. */
|
||||
.stab 0 : { *(.stab) }
|
||||
.stabstr 0 : { *(.stabstr) }
|
||||
.stab.excl 0 : { *(.stab.excl) }
|
||||
.stab.exclstr 0 : { *(.stab.exclstr) }
|
||||
.stab.index 0 : { *(.stab.index) }
|
||||
.stab.indexstr 0 : { *(.stab.indexstr) }
|
||||
|
||||
.comment 0 : { *(.comment) }
|
||||
|
||||
/* DWARF debug sections.
|
||||
Symbols in the DWARF debugging sections are relative to the beginning
|
||||
of the section so we begin them at 0. */
|
||||
|
||||
/* DWARF 1 */
|
||||
.debug 0 : { *(.debug) }
|
||||
.line 0 : { *(.line) }
|
||||
|
||||
/* GNU DWARF 1 extensions */
|
||||
.debug_srcinfo 0 : { *(.debug_srcinfo) }
|
||||
.debug_sfnames 0 : { *(.debug_sfnames) }
|
||||
|
||||
/* DWARF 1.1 and DWARF 2 */
|
||||
.debug_aranges 0 : { *(.debug_aranges) }
|
||||
.debug_pubnames 0 : { *(.debug_pubnames) }
|
||||
|
||||
/* DWARF 2 */
|
||||
.debug_info 0 : { *(.debug_info .gnu.linkonce.wi.*) }
|
||||
.debug_abbrev 0 : { *(.debug_abbrev) }
|
||||
.debug_line 0 : { *(.debug_line) }
|
||||
.debug_frame 0 : { *(.debug_frame) }
|
||||
.debug_str 0 : { *(.debug_str) }
|
||||
.debug_loc 0 : { *(.debug_loc) }
|
||||
.debug_macinfo 0 : { *(.debug_macinfo) }
|
||||
|
||||
/* SGI/MIPS DWARF 2 extensions */
|
||||
.debug_weaknames 0 : { *(.debug_weaknames) }
|
||||
.debug_funcnames 0 : { *(.debug_funcnames) }
|
||||
.debug_typenames 0 : { *(.debug_typenames) }
|
||||
.debug_varnames 0 : { *(.debug_varnames) }
|
||||
|
||||
${STACK_ADDR+${STACK}}
|
||||
${OTHER_SECTIONS}
|
||||
${RELOCATING+${OTHER_END_SYMBOLS}}
|
||||
${RELOCATING+${STACKNOTE}}
|
||||
}
|
||||
EOF
|
||||
Loading…
Reference in a new issue