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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/elf32-sparc.c
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/elf32-sparc.c')
-rw-r--r--bfd/elf32-sparc.c66
1 files changed, 66 insertions, 0 deletions
diff --git a/bfd/elf32-sparc.c b/bfd/elf32-sparc.c
index 031b303..3bfb38a 100644
--- a/bfd/elf32-sparc.c
+++ b/bfd/elf32-sparc.c
@@ -26,6 +26,7 @@
#include "elf/sparc.h"
#include "opcode/sparc.h"
#include "elfxx-sparc.h"
+#include "elf-vxworks.h"
/* Support for core dump NOTE sections. */
@@ -215,3 +216,68 @@ elf32_sparc_reloc_type_class (const Elf_Internal_Rela *rela)
#define elf_backend_rela_normal 1
#include "elf32-target.h"
+
+/* A wrapper around _bfd_sparc_elf_link_hash_table_create that identifies
+ the target system as VxWorks. */
+
+static struct bfd_link_hash_table *
+elf32_sparc_vxworks_link_hash_table_create (bfd *abfd)
+{
+ struct bfd_link_hash_table *ret;
+
+ ret = _bfd_sparc_elf_link_hash_table_create (abfd);
+ if (ret)
+ {
+ struct _bfd_sparc_elf_link_hash_table *htab;
+
+ htab = (struct _bfd_sparc_elf_link_hash_table *) ret;
+ htab->is_vxworks = 1;
+ }
+ return ret;
+}
+
+/* A final_write_processing hook that does both the SPARC- and VxWorks-
+ specific handling. */
+
+static void
+elf32_sparc_vxworks_final_write_processing (bfd *abfd, bfd_boolean linker)
+{
+ elf32_sparc_final_write_processing (abfd, linker);
+ elf_vxworks_final_write_processing (abfd, linker);
+}
+
+#undef TARGET_BIG_SYM
+#define TARGET_BIG_SYM bfd_elf32_sparc_vxworks_vec
+#undef TARGET_BIG_NAME
+#define TARGET_BIG_NAME "elf32-sparc-vxworks"
+
+#undef ELF_MINPAGESIZE
+#define ELF_MINPAGESIZE 0x1000
+
+#undef bfd_elf32_bfd_link_hash_table_create
+#define bfd_elf32_bfd_link_hash_table_create \
+ elf32_sparc_vxworks_link_hash_table_create
+
+#undef elf_backend_want_got_plt
+#define elf_backend_want_got_plt 1
+#undef elf_backend_plt_readonly
+#define elf_backend_plt_readonly 1
+#undef elf_backend_got_header_size
+#define elf_backend_got_header_size 12
+#undef elf_backend_add_symbol_hook
+#define elf_backend_add_symbol_hook \
+ elf_vxworks_add_symbol_hook
+#undef elf_backend_link_output_symbol_hook
+#define elf_backend_link_output_symbol_hook \
+ elf_vxworks_link_output_symbol_hook
+#undef elf_backend_emit_relocs
+#define elf_backend_emit_relocs \
+ elf_vxworks_emit_relocs
+#undef elf_backend_final_write_processing
+#define elf_backend_final_write_processing \
+ elf32_sparc_vxworks_final_write_processing
+
+#undef elf32_bed
+#define elf32_bed sparc_elf_vxworks_bed
+
+#include "elf32-target.h"