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| author | H.J. Lu <hjl.tools@gmail.com> | 2007-05-15 13:55:54 +0000 |
|---|---|---|
| committer | H.J. Lu <hjl.tools@gmail.com> | 2007-05-15 13:55:54 +0000 |
| commit | 027297b7a82f2545233997e2b5383595390beeb9 (patch) | |
| tree | 77844326b69133a5686b896a9fa201d33b6dc71a /bfd/elflink.c | |
| parent | 069ed9311569a8d87c9c341f95d5613f8c759e8f (diff) | |
| download | gdb-027297b7a82f2545233997e2b5383595390beeb9.zip gdb-027297b7a82f2545233997e2b5383595390beeb9.tar.gz gdb-027297b7a82f2545233997e2b5383595390beeb9.tar.bz2 | |
2007-05-15 H.J. Lu <hongjiu.lu@intel.com>
Alan Modra <amodra@bigpond.net.au>
PR ld/4504
* elf-bfd.h (_bfd_elf_adjust_dynamic_copy): New.
* elflink.c (_bfd_elf_adjust_dynamic_copy): New.
* elf-m10300.c (_bfd_mn10300_elf_adjust_dynamic_symbol): Call
_bfd_elf_adjust_dynamic_copy to adjust for the copy in dynamic
bss section.
* elf32-arm.c (elf32_arm_adjust_dynamic_symbol): Likewise.
* elf32-cris.c (elf_cris_adjust_dynamic_symbol): Likewise.
* elf32-hppa.c (elf32_hppa_adjust_dynamic_symbol): Likewise.
* elf32-i370.c (i370_elf_adjust_dynamic_symbol): Likewise.
* elf32-i386.c (elf_i386_adjust_dynamic_symbol): Likewise.
* elf32-m32r.c (m32r_elf_adjust_dynamic_symbol): Likewise.
* elf32-m68k.c (elf_m68k_adjust_dynamic_symbol): Likewise.
* elf32-ppc.c (ppc_elf_adjust_dynamic_symbol): Likewise.
* elf32-s390.c (elf_s390_adjust_dynamic_symbol): Likewise.
* elf32-sh.c (sh_elf_adjust_dynamic_symbol): Likewise.
* elf32-vax.c (elf_vax_adjust_dynamic_symbol): Likewise.
* elf64-ppc.c (ppc64_elf_adjust_dynamic_symbol): Likewise.
* elf64-s390.c (elf_s390_adjust_dynamic_symbol): Likewise.
* elf64-sh64.c (sh64_elf64_adjust_dynamic_symbol): Likewise.
* elf64-x86-64.c (elf64_x86_64_adjust_dynamic_symbol): Likewise.
* elfxx-mips.c (_bfd_mips_vxworks_adjust_dynamic_symbol): Likewise.
* elfxx-sparc.c (_bfd_sparc_elf_adjust_dynamic_symbol): Likewise.
Diffstat (limited to 'bfd/elflink.c')
| -rw-r--r-- | bfd/elflink.c | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/bfd/elflink.c b/bfd/elflink.c index 41b518d..6cf1ba9 100644 --- a/bfd/elflink.c +++ b/bfd/elflink.c @@ -2609,6 +2609,52 @@ _bfd_elf_adjust_dynamic_symbol (struct elf_link_hash_entry *h, void *data) return TRUE; } +/* Adjust the dynamic symbol, H, for copy in the dynamic bss section, + DYNBSS. */ + +bfd_boolean +_bfd_elf_adjust_dynamic_copy (struct elf_link_hash_entry *h, + asection *dynbss) +{ + unsigned int power_of_two, orig_power_of_two; + bfd_vma mask; + asection *sec = h->root.u.def.section; + + /* The section aligment of definition is the maximum alignment + requirement of symbols defined in the section. */ + power_of_two = bfd_get_section_alignment (dynbss->owner, dynbss); + orig_power_of_two = bfd_get_section_alignment (sec->owner, sec); + + if (orig_power_of_two > power_of_two) + { + /* Adjust the section alignment if needed. */ + if (! bfd_set_section_alignment (dynbss->owner, dynbss, + orig_power_of_two)) + return FALSE; + } + + /* We make sure that the symbol will be aligned properly. Since we + don't know its alignment requirement, we start with the maximum + alignment and check low bits of the symbol address for the + minimum alignment. */ + mask = ((bfd_vma) 1 << orig_power_of_two) - 1; + while ((h->root.u.def.value & mask) != 0) + { + mask >>= 1; + --orig_power_of_two; + } + dynbss->size = BFD_ALIGN (dynbss->size, mask + 1); + + /* Define the symbol as being at this point in DYNBSS. */ + h->root.u.def.section = dynbss; + h->root.u.def.value = dynbss->size; + + /* Increment the size of DYNBSS to make room for the symbol. */ + dynbss->size += h->size; + + return TRUE; +} + /* Adjust all external symbols pointing into SEC_MERGE sections to reflect the object merging within the sections. */ |