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author | Richard Sandiford <rdsandiford@googlemail.com> | 2006-04-05 12:41:59 +0000 |
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committer | Richard Sandiford <rdsandiford@googlemail.com> | 2006-04-05 12:41:59 +0000 |
commit | 910600e9c7e78f59a8e89638016b70837a1ea622 (patch) | |
tree | 840539dc31ba9060f47dbfe8d9cc523a607e84b2 /gas | |
parent | 3b6fe0ccfde65852e8aedad01c1aa6953de9ca13 (diff) | |
download | gdb-910600e9c7e78f59a8e89638016b70837a1ea622.zip gdb-910600e9c7e78f59a8e89638016b70837a1ea622.tar.gz gdb-910600e9c7e78f59a8e89638016b70837a1ea622.tar.bz2 |
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')
-rw-r--r-- | gas/ChangeLog | 10 | ||||
-rw-r--r-- | gas/config/tc-sparc.c | 40 | ||||
-rw-r--r-- | gas/configure.tgt | 2 | ||||
-rw-r--r-- | gas/testsuite/ChangeLog | 5 | ||||
-rw-r--r-- | gas/testsuite/gas/sparc/sparc.exp | 6 | ||||
-rw-r--r-- | gas/testsuite/gas/sparc/vxworks-pic.d | 27 | ||||
-rw-r--r-- | gas/testsuite/gas/sparc/vxworks-pic.s | 11 |
7 files changed, 89 insertions, 12 deletions
diff --git a/gas/ChangeLog b/gas/ChangeLog index fadd3e0..3f759e0 100644 --- a/gas/ChangeLog +++ b/gas/ChangeLog @@ -1,3 +1,13 @@ +2006-04-05 Richard Sandiford <richard@codesourcery.com> + Daniel Jacobowitz <dan@codesourcery.com> + + * 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. + 2006-04-04 Alan Modra <amodra@bigpond.net.au> PR 997 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; diff --git a/gas/configure.tgt b/gas/configure.tgt index 6463631..696daaa 100644 --- a/gas/configure.tgt +++ b/gas/configure.tgt @@ -335,7 +335,7 @@ case ${generic_target} in sparc-*-rtems*) fmt=elf ;; sparc-*-sunos4*) fmt=aout em=sun3 ;; - sparc-*-aout | sparc*-*-vxworks*) fmt=aout em=sparcaout ;; + sparc-*-aout) fmt=aout em=sparcaout ;; sparc-*-coff) fmt=coff ;; sparc-*-linux*aout*) fmt=aout em=linux ;; sparc-*-linux-*) fmt=elf em=linux ;; diff --git a/gas/testsuite/ChangeLog b/gas/testsuite/ChangeLog index c4b0217..28bbea8 100644 --- a/gas/testsuite/ChangeLog +++ b/gas/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2006-04-05 Richard Sandiford <richard@codesourcery.com> + + * gas/sparc/vxworks-pic.s, gas/sparc/vxworks-pic.d: New test. + * gas/sparc/sparc.exp: Run it. Remove sparc*-*-vxworks* XFAILs. + 2006-03-23 H.J. Lu <hongjiu.lu@intel.com> * gas/i386/rep.s: Pad with .p2align. diff --git a/gas/testsuite/gas/sparc/sparc.exp b/gas/testsuite/gas/sparc/sparc.exp index 4189ddb..a2e362d 100644 --- a/gas/testsuite/gas/sparc/sparc.exp +++ b/gas/testsuite/gas/sparc/sparc.exp @@ -17,7 +17,7 @@ proc gas_64_check { } { } proc sparc_elf_setup { } { - setup_xfail "sparc*-*-*aout*" "sparc*-*-sunos4*" "sparc*-*-vxworks*" + setup_xfail "sparc*-*-*aout*" "sparc*-*-sunos4*" setup_xfail "sparc*-fujitsu-none" "sparc*-*-*n*bsd*" setup_xfail "sparc*-*-coff" "sparc*-*-lynxos*" clear_xfail "sparc64*-*-*n*bsd*" @@ -50,6 +50,10 @@ if [istarget sparc*-*-*] { } } +if [istarget sparc-*-vxworks*] { + run_dump_test "vxworks-pic" +} + if [istarget sparclet*-*-*] { run_dump_test "splet" run_dump_test "splet-2" diff --git a/gas/testsuite/gas/sparc/vxworks-pic.d b/gas/testsuite/gas/sparc/vxworks-pic.d new file mode 100644 index 0000000..7e238fb --- /dev/null +++ b/gas/testsuite/gas/sparc/vxworks-pic.d @@ -0,0 +1,27 @@ +#as: -KPIC +#objdump: -dr +#name: VxWorks PIC + +.*: file format .* + +Disassembly of section \.text: + +00000000 <\.text>: + 0: 2f 00 00 00 sethi %hi\(0\), %l7 + 0: R_SPARC_HI22 __GOTT_BASE__ + 4: ee 05 e0 00 ld \[ %l7 \], %l7 + 4: R_SPARC_LO10 __GOTT_BASE__ + 8: ee 05 e0 00 ld \[ %l7 \], %l7 + 8: R_SPARC_LO10 __GOTT_INDEX__ + c: 03 00 00 00 sethi %hi\(0\), %g1 + c: R_SPARC_HI22 __GOTT_BASE__ + 10: 82 10 60 00 mov %g1, %g1 ! 0x0 + 10: R_SPARC_LO10 __GOTT_BASE__ + 14: 03 00 00 00 sethi %hi\(0\), %g1 + 14: R_SPARC_HI22 __GOTT_INDEX__ + 18: 82 10 60 00 mov %g1, %g1 ! 0x0 + 18: R_SPARC_LO10 __GOTT_INDEX__ + 1c: 03 00 00 00 sethi %hi\(0\), %g1 + 1c: R_SPARC_GOT22 __GOT_BASE__ + 20: 82 10 60 00 mov %g1, %g1 ! 0x0 + 20: R_SPARC_GOT10 __GOT_BASE__ diff --git a/gas/testsuite/gas/sparc/vxworks-pic.s b/gas/testsuite/gas/sparc/vxworks-pic.s new file mode 100644 index 0000000..9d49e00 --- /dev/null +++ b/gas/testsuite/gas/sparc/vxworks-pic.s @@ -0,0 +1,11 @@ + sethi %hi(__GOTT_BASE__), %l7 + ld [%l7+%lo(__GOTT_BASE__)],%l7 + ld [%l7+%lo(__GOTT_INDEX__)],%l7 + + sethi %hi(__GOTT_BASE__), %g1 + or %g1, %lo(__GOTT_BASE__), %g1 + sethi %hi(__GOTT_INDEX__), %g1 + or %g1, %lo(__GOTT_INDEX__), %g1 + + sethi %hi(__GOT_BASE__), %g1 + or %g1, %lo(__GOT_BASE__), %g1 |