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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 /gas/config
parent3b6fe0ccfde65852e8aedad01c1aa6953de9ca13 (diff)
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bfd/
* 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 'gas/config')
-rw-r--r--gas/config/tc-sparc.c40
1 files changed, 30 insertions, 10 deletions
diff --git a/gas/config/tc-sparc.c b/gas/config/tc-sparc.c
index 04bfb53..10a1411 100644
--- a/gas/config/tc-sparc.c
+++ b/gas/config/tc-sparc.c
@@ -334,6 +334,10 @@ sparc_target_format ()
#endif
#endif
+#ifdef TE_VXWORKS
+ return "elf32-sparc-vxworks";
+#endif
+
#ifdef OBJ_ELF
return sparc_arch_size == 64 ? "elf64-sparc" : "elf32-sparc";
#endif
@@ -3528,6 +3532,10 @@ tc_gen_reloc (section, fixp)
#else
#define GOT_NAME "__GLOBAL_OFFSET_TABLE_"
#endif
+#ifdef TE_VXWORKS
+#define GOTT_BASE "__GOTT_BASE__"
+#define GOTT_INDEX "__GOTT_INDEX__"
+#endif
/* This code must be parallel to the OBJ_ELF tc_fix_adjustable. */
@@ -3540,18 +3548,30 @@ tc_gen_reloc (section, fixp)
code = BFD_RELOC_SPARC_WPLT30;
break;
case BFD_RELOC_HI22:
- if (fixp->fx_addsy != NULL
- && strcmp (S_GET_NAME (fixp->fx_addsy), GOT_NAME) == 0)
- code = BFD_RELOC_SPARC_PC22;
- else
- code = BFD_RELOC_SPARC_GOT22;
+ code = BFD_RELOC_SPARC_GOT22;
+ if (fixp->fx_addsy != NULL)
+ {
+ if (strcmp (S_GET_NAME (fixp->fx_addsy), GOT_NAME) == 0)
+ code = BFD_RELOC_SPARC_PC22;
+#ifdef TE_VXWORKS
+ if (strcmp (S_GET_NAME (fixp->fx_addsy), GOTT_BASE) == 0
+ || strcmp (S_GET_NAME (fixp->fx_addsy), GOTT_INDEX) == 0)
+ code = BFD_RELOC_HI22; /* Unchanged. */
+#endif
+ }
break;
case BFD_RELOC_LO10:
- if (fixp->fx_addsy != NULL
- && strcmp (S_GET_NAME (fixp->fx_addsy), GOT_NAME) == 0)
- code = BFD_RELOC_SPARC_PC10;
- else
- code = BFD_RELOC_SPARC_GOT10;
+ code = BFD_RELOC_SPARC_GOT10;
+ if (fixp->fx_addsy != NULL)
+ {
+ if (strcmp (S_GET_NAME (fixp->fx_addsy), GOT_NAME) == 0)
+ code = BFD_RELOC_SPARC_PC10;
+#ifdef TE_VXWORKS
+ if (strcmp (S_GET_NAME (fixp->fx_addsy), GOTT_BASE) == 0
+ || strcmp (S_GET_NAME (fixp->fx_addsy), GOTT_INDEX) == 0)
+ code = BFD_RELOC_LO10; /* Unchanged. */
+#endif
+ }
break;
case BFD_RELOC_SPARC13:
code = BFD_RELOC_SPARC_GOT13;