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authorRichard Sandiford <rdsandiford@googlemail.com>2006-04-05 12:41:59 +0000
committerRichard Sandiford <rdsandiford@googlemail.com>2006-04-05 12:41:59 +0000
commit910600e9c7e78f59a8e89638016b70837a1ea622 (patch)
tree840539dc31ba9060f47dbfe8d9cc523a607e84b2 /bfd/elfxx-sparc.h
parent3b6fe0ccfde65852e8aedad01c1aa6953de9ca13 (diff)
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* config.bfd (sparc-*-vxworks*): New stanza. * configure.in (bfd_elf32_sparc_vxworks_vec): New stanza. (bfd_elf32_sparc_vec, bfd_elf64_sparc_vec): Add elf-vxworks.lo. * configure: Regenerate. * elf32-sparc.c: Include elf-vxworks.h. (elf32_sparc_vxworks_link_hash_table_create: New. (elf32_sparc_vxworks_final_write_processing): New. (TARGET_BIG_SYM): Override for VxWorks. (TARGET_BIG_NAME, ELF_MINPAGESIZE): Likewise. (bfd_elf32_bfd_link_hash_table_create): Likewise. (elf_backend_want_got_plt, elf_backend_plt_readonly): Likewise. (elf_backend_got_header_size, elf_backend_add_symbol_hook): Likewise. (elf_backend_link_output_symbol_hook): Likewise. (elf_backend_emit_relocs): Likewise. (elf_backend_final_write_processing, elf32_bed): Likewise. * elfxx-sparc.c: Include libiberty.h and elf-vxworks.h. (sparc_vxworks_exec_plt0_entry, sparc_vxworks_exec_plt_entry): New. (sparc_vxworks_shared_plt0_entry, sparc_vxworks_shared_plt_entry): New. (_bfd_sparc_elf_link_hash_table_create): Don't initialize build_plt_entry here. (create_got_section): Initialize sgotplt for VxWorks. (_bfd_sparc_elf_create_dynamic_sections): Initialize build_plt_entry, plt_header_size and plt_entry_size, with new VxWorks-specific settings. Call elf_vxworks_create_dynamic_sections for VxWorks. (allocate_dynrelocs): Use plt_header_size and plt_entry_size. Allocate room for .got.plt and .rela.plt.unloaded entries on VxWorks. (_bfd_sparc_elf_size_dynamic_sections): Don't allocate a nop in .plt for VxWorks. Check for the .got.plt section. (sparc_vxworks_build_plt_entry): New function. (_bfd_sparc_elf_finish_dynamic_symbol): Add handling of VxWorks PLTs. Don't make _GLOBAL_OFFSET_TABLE_ and _PROCEDURE_LINKAGE_TABLE_ absolute on VxWorks. (sparc32_finish_dyn): Add special handling for DT_RELASZ and DT_PLTGOT on VxWorks. (sparc_vxworks_finish_exec_plt): New. (sparc_vxworks_finish_shared_plt): New. (_bfd_sparc_elf_finish_dynamic_sections): Call them. Use plt_header_size and plt_entry_size. * elfxx-sparc.h (_bfd_sparc_elf_link_hash_table): Add is_vxworks, srelplt2, sgotplt, plt_header_size and plt_entry_size fields. * Makefile.am (elfxx-sparc.lo): Depend on elf-vxworks.h. (elf32-sparc.lo): Likewise. * Makefile.in: Regenerate. * targets.c (bfd_elf32_sparc_vxworks_vec): Declare. (_bfd_target_vector): Add a pointer to it. gas/ * config/tc-sparc.c (sparc_target_format): Handle TE_VXWORKS. (GOTT_BASE, GOTT_INDEX): New. (tc_gen_reloc): Don't alter relocations against GOTT_BASE and GOTT_INDEX when generating VxWorks PIC. * configure.tgt (sparc*-*-vxworks*): Remove this special case; use the generic *-*-vxworks* stanza instead. gas/testsuite/ * gas/sparc/vxworks-pic.s, gas/sparc/vxworks-pic.d: New test. * gas/sparc/sparc.exp: Run it. Remove sparc*-*-vxworks* XFAILs. ld/ * configure.tgt (sparc*-*-vxworks*): New stanza. * emulparams/elf32_sparc_vxworks.sh: New file. * Makefile.am (ALL_EMULATIONS): Add eelf32_sparc_vxworks.o. (eelf32_sparc_vxworks.c): New rule. * Makefile.in: Regenerate. ld/testsuite/ * ld-sparc/vxworks1.dd, ld-sparc/vxworks1.ld, ld-sparc/vxworks1-lib.dd, * ld-sparc/vxworks1-lib.nd, ld-sparc/vxworks1-lib.rd, * ld-sparc/vxworks1-lib.s, ld-sparc/vxworks1.rd, ld-sparc/vxworks1.s, * ld-sparc/vxworks1-static.d, ld-sparc/vxworks2.s, * ld-sparc/vxworks2.sd, ld-sparc/vxworks2-static.sd: New tests. * ld-sparc/sparc.exp: Run them.
Diffstat (limited to 'bfd/elfxx-sparc.h')
-rw-r--r--bfd/elfxx-sparc.h11
1 files changed, 11 insertions, 0 deletions
diff --git a/bfd/elfxx-sparc.h b/bfd/elfxx-sparc.h
index 624aea527..0a5a88b 100644
--- a/bfd/elfxx-sparc.h
+++ b/bfd/elfxx-sparc.h
@@ -61,6 +61,15 @@ struct _bfd_sparc_elf_link_hash_table
/* Small local sym to section mapping cache. */
struct sym_sec_cache sym_sec;
+ /* True if the target system is VxWorks. */
+ int is_vxworks;
+
+ /* The (unloaded but important) .rela.plt.unloaded section, for VxWorks. */
+ asection *srelplt2;
+
+ /* .got.plt is only used on VxWorks. */
+ asection *sgotplt;
+
void (*put_word) (bfd *, bfd_vma, void *);
void (*append_rela) (bfd *, asection *, Elf_Internal_Rela *);
bfd_vma (*r_info) (Elf_Internal_Rela *, bfd_vma, bfd_vma);
@@ -70,6 +79,8 @@ struct _bfd_sparc_elf_link_hash_table
int dynamic_interpreter_size;
unsigned int word_align_power;
unsigned int align_power_max;
+ unsigned int plt_header_size;
+ unsigned int plt_entry_size;
int bytes_per_word;
int bytes_per_rela;
int dtpoff_reloc;