* emulparams/vxworks.sh (VXWORKS_BASE_EM_FILE): New variable.
	(EXTRA_EM_FILE): Define.
	* emultempl/vxworks.em: New file.
	* ld.texinfo (--force-dynamic): Document.
	* Makefile.am (eelf32ppcvxworks.cm, eelf_i386_vxworks.c): Depend
	on vxworks.em.
	* Makefile.in: Regenerate.

ld/testsuite/
	* ld-i386/vxworks1-static.d, ld-i386/vxworks2.s,
	* ld-i386/vxworks2.sd, ld-i386/vxworks2-static.sd: New tests.
	* ld-i386/i386.exp: Run them.
	* ld-powerpc/vxworks1-static.d, ld-powerpc/vxworks2.s,
	* ld-powerpc/vxworks2.sd, ld-powerpc/vxworks2-static.sd: New tests.
	* ld-powerpc/powerpc.exp: Run them.
This commit is contained in:
Richard Sandiford 2006-03-03 09:32:01 +00:00
parent a10138943b
commit 4f471f3957
17 changed files with 172 additions and 8 deletions

View file

@ -1,3 +1,13 @@
2006-03-03 Richard Sandiford <richard@codesourcery.com>
* emulparams/vxworks.sh (VXWORKS_BASE_EM_FILE): New variable.
(EXTRA_EM_FILE): Define.
* emultempl/vxworks.em: New file.
* ld.texinfo (--force-dynamic): Document.
* Makefile.am (eelf32ppcvxworks.cm, eelf_i386_vxworks.c): Depend
on vxworks.em.
* Makefile.in: Regenerate.
2006-03-02 Richard Sandiford <richard@codesourcery.com>
* emulparams/elf32ppccommon.sh: New file, extracted from...

View file

@ -768,7 +768,8 @@ eelf32ppcwindiss.c: $(srcdir)/emulparams/elf32ppcwindiss.sh \
${GENSCRIPTS} elf32ppcwindiss "$(tdir_elf32ppcwindiss)"
eelf32ppcvxworks.c: $(srcdir)/emulparams/elf32ppcvxworks.sh \
$(srcdir)/emulparams/elf32ppccommon.sh $(srcdir)/emulparams/vxworks.sh \
$(srcdir)/emultempl/elf32.em $(srcdir)/scripttempl/elf.sc ${GEN_DEPENDS}
$(srcdir)/emultempl/vxworks.em $(srcdir)/emultempl/elf32.em \
$(srcdir)/scripttempl/elf.sc ${GEN_DEPENDS}
${GENSCRIPTS} elf32ppcvxworks "$(tdir_elf32ppcvxworks)"
eelf32lsmip.c: $(srcdir)/emulparams/elf32lsmip.sh \
$(srcdir)/emulparams/elf32lmip.sh $(srcdir)/emulparams/elf32bmip.sh \
@ -901,7 +902,7 @@ eelf_i386_ldso.c: $(srcdir)/emulparams/elf_i386_ldso.sh \
$(srcdir)/emultempl/elf32.em $(srcdir)/scripttempl/elf.sc ${GEN_DEPENDS}
${GENSCRIPTS} elf_i386_ldso "$(tdir_elf_i386_ldso)"
eelf_i386_vxworks.c: $(srcdir)/emulparams/elf_i386_vxworks.sh \
$(srcdir)/emulparams/vxworks.sh \
$(srcdir)/emulparams/vxworks.sh $(srcdir)/emultempl/vxworks.em \
$(srcdir)/emultempl/elf32.em $(srcdir)/scripttempl/elf.sc ${GEN_DEPENDS}
${GENSCRIPTS} elf_i386_vxworks "$(tdir_elf_i386_vxworks)"
eelf_s390.c: $(srcdir)/emulparams/elf_s390.sh \

View file

@ -1574,7 +1574,8 @@ eelf32ppcwindiss.c: $(srcdir)/emulparams/elf32ppcwindiss.sh \
${GENSCRIPTS} elf32ppcwindiss "$(tdir_elf32ppcwindiss)"
eelf32ppcvxworks.c: $(srcdir)/emulparams/elf32ppcvxworks.sh \
$(srcdir)/emulparams/elf32ppccommon.sh $(srcdir)/emulparams/vxworks.sh \
$(srcdir)/emultempl/elf32.em $(srcdir)/scripttempl/elf.sc ${GEN_DEPENDS}
$(srcdir)/emultempl/vxworks.em $(srcdir)/emultempl/elf32.em \
$(srcdir)/scripttempl/elf.sc ${GEN_DEPENDS}
${GENSCRIPTS} elf32ppcvxworks "$(tdir_elf32ppcvxworks)"
eelf32lsmip.c: $(srcdir)/emulparams/elf32lsmip.sh \
$(srcdir)/emulparams/elf32lmip.sh $(srcdir)/emulparams/elf32bmip.sh \
@ -1707,7 +1708,7 @@ eelf_i386_ldso.c: $(srcdir)/emulparams/elf_i386_ldso.sh \
$(srcdir)/emultempl/elf32.em $(srcdir)/scripttempl/elf.sc ${GEN_DEPENDS}
${GENSCRIPTS} elf_i386_ldso "$(tdir_elf_i386_ldso)"
eelf_i386_vxworks.c: $(srcdir)/emulparams/elf_i386_vxworks.sh \
$(srcdir)/emulparams/vxworks.sh \
$(srcdir)/emulparams/vxworks.sh $(srcdir)/emultempl/vxworks.em \
$(srcdir)/emultempl/elf32.em $(srcdir)/scripttempl/elf.sc ${GEN_DEPENDS}
${GENSCRIPTS} elf_i386_vxworks "$(tdir_elf_i386_vxworks)"
eelf_s390.c: $(srcdir)/emulparams/elf_s390.sh \

View file

@ -23,3 +23,5 @@ FINI_END='KEEP (*(.fini$99));
ETEXT_NAME=etext_unrelocated
OTHER_SYMBOLS="PROVIDE (_ehdr = ${TEXT_START_ADDR});"
DATA_END_SYMBOLS=".edata : { PROVIDE (_edata = .); }"
VXWORKS_BASE_EM_FILE=$EXTRA_EM_FILE
EXTRA_EM_FILE=vxworks

49
ld/emultempl/vxworks.em Normal file
View file

@ -0,0 +1,49 @@
if test -n "$VXWORKS_BASE_EM_FILE" ; then
. "${srcdir}/emultempl/${VXWORKS_BASE_EM_FILE}.em"
fi
cat >>e${EMULATION_NAME}.c <<EOF
static int force_dynamic;
static void
vxworks_after_open (void)
{
${LDEMUL_AFTER_OPEN-gld${EMULATION_NAME}_after_open} ();
if (force_dynamic
&& link_info.input_bfds
&& !_bfd_elf_link_create_dynamic_sections (link_info.input_bfds,
&link_info))
einfo ("%X%P: Cannot create dynamic sections %E\n");
if (!force_dynamic
&& !link_info.shared
&& elf_hash_table (&link_info)->dynamic_sections_created)
einfo ("%X%P: Dynamic sections created in non-dynamic link\n");
}
EOF
PARSE_AND_LIST_PROLOGUE=$PARSE_AND_LIST_PROLOGUE'
enum {
OPTION_FORCE_DYNAMIC = 501
};
'
PARSE_AND_LIST_LONGOPTS=$PARSE_AND_LIST_LONGOPTS'
{"force-dynamic", no_argument, NULL, OPTION_FORCE_DYNAMIC},
'
PARSE_AND_LIST_OPTIONS=$PARSE_AND_LIST_OPTIONS'
fprintf (file, _("\
--force-dynamic Always create dynamic sections\n"));
'
PARSE_AND_LIST_ARGS_CASES=$PARSE_AND_LIST_ARGS_CASES'
case OPTION_FORCE_DYNAMIC:
force_dynamic = 1;
break;
'
LDEMUL_AFTER_OPEN=vxworks_after_open

View file

@ -772,6 +772,12 @@ in larger executables.
This option is currently only supported on ELF platforms.
@kindex --force-dynamic
@cindex forcing the creation of dynamic sections
@item --force-dynamic
Force the output file to have dynamic sections. This option is specific
to VxWorks targets.
@cindex partial link
@cindex relocatable output
@kindex -r

View file

@ -1,3 +1,12 @@
2006-03-03 Richard Sandiford <richard@codesourcery.com>
* ld-i386/vxworks1-static.d, ld-i386/vxworks2.s,
* ld-i386/vxworks2.sd, ld-i386/vxworks2-static.sd: New tests.
* ld-i386/i386.exp: Run them.
* ld-powerpc/vxworks1-static.d, ld-powerpc/vxworks2.s,
* ld-powerpc/vxworks2.sd, ld-powerpc/vxworks2-static.sd: New tests.
* ld-powerpc/powerpc.exp: Run them.
2006-03-02 Richard Sandiford <richard@codesourcery.com>
* ld-powerpc/vxworks1.ld: Use a page alignment of 0x10000.

View file

@ -26,12 +26,24 @@ if {[istarget "i?86-*-vxworks"]} {
{{readelf --relocs vxworks1-lib.rd} {objdump -dr vxworks1-lib.dd}
{readelf --symbols vxworks1-lib.nd}}
"libvxworks1.so"}
{"VxWorks dynamic executable test 1" \
"tmpdir/libvxworks1.so -Tvxworks1.ld -q" "" {vxworks1.s}
{"VxWorks executable test 1 (dynamic)" \
"tmpdir/libvxworks1.so -Tvxworks1.ld -q --force-dynamic"
"" {vxworks1.s}
{{readelf --relocs vxworks1.rd} {objdump -dr vxworks1.dd}}
"vxworks1"}
{"VxWorks executable test 2 (dynamic)" \
"-Tvxworks1.ld -q --force-dynamic"
"" {vxworks2.s}
{{readelf --segments vxworks2.sd}}
"vxworks2"}
{"VxWorks executable test 2 (static)"
"-Tvxworks1.ld"
"" {vxworks2.s}
{{readelf --segments vxworks2-static.sd}}
"vxworks2"}
}
run_ld_link_tests $i386tests
run_dump_test "vxworks1-static"
}
if { !([istarget "i?86-*-elf*"]

View file

@ -0,0 +1,4 @@
#name: VxWorks executable test 1 (static)
#source: vxworks1.s
#ld: tmpdir/libvxworks1.so -Tvxworks1.ld
#error: Dynamic sections created in non-dynamic link

View file

@ -0,0 +1,9 @@
#...
Elf file type is EXEC \(Executable file\)
Entry point 0x80000
#...
Program Headers:
Type .*
LOAD .* 0x00080000 0x00080000 .* R E 0x1000
#...

View file

@ -0,0 +1,5 @@
.globl _start
.type _start,@function
_start:
ret
.end _start

View file

@ -0,0 +1,13 @@
#...
Elf file type is EXEC \(Executable file\)
Entry point 0x80400
#...
Program Headers:
Type .*
PHDR .*
#...
LOAD .* 0x00080000 0x00080000 .* R E 0x1000
LOAD .* 0x00081000 0x00081000 .* RW 0x1000
DYNAMIC .*
#...

View file

@ -31,12 +31,24 @@ if {[istarget "*-*-vxworks"]} {
{{readelf --relocs vxworks1-lib.rd} {objdump -dr vxworks1-lib.dd}
{readelf --symbols vxworks1-lib.nd}}
"libvxworks1.so"}
{"VxWorks dynamic executable test 1" \
"tmpdir/libvxworks1.so -Tvxworks1.ld -q" "-mregnames" {vxworks1.s}
{"VxWorks executable test 1 (dynamic)" \
"tmpdir/libvxworks1.so -Tvxworks1.ld -q --force-dynamic"
"-mregnames" {vxworks1.s}
{{readelf --relocs vxworks1.rd} {objdump -dr vxworks1.dd}}
"vxworks1"}
{"VxWorks executable test 2 (dynamic)" \
"-Tvxworks1.ld -q --force-dynamic"
"-mregnames" {vxworks2.s}
{{readelf --segments vxworks2.sd}}
"vxworks2"}
{"VxWorks executable test 2 (static)"
"-Tvxworks1.ld"
"-mregnames" {vxworks2.s}
{{readelf --segments vxworks2-static.sd}}
"vxworks2"}
}
run_ld_link_tests $ppcvxtests
run_dump_test "vxworks1-static"
return
}

View file

@ -0,0 +1,4 @@
#name: VxWorks executable test 1 (static)
#source: vxworks1.s -mregnames
#ld: tmpdir/libvxworks1.so -Tvxworks1.ld
#error: Dynamic sections created in non-dynamic link

View file

@ -0,0 +1,9 @@
#...
Elf file type is EXEC \(Executable file\)
Entry point 0x80000
#...
Program Headers:
Type .*
LOAD .* 0x00080000 0x00080000 .* R E 0x10000
#...

View file

@ -0,0 +1,5 @@
.globl _start
.type _start,@function
_start:
blr
.end _start

View file

@ -0,0 +1,13 @@
#...
Elf file type is EXEC \(Executable file\)
Entry point 0x80400
#...
Program Headers:
Type .*
PHDR .*
#...
LOAD .* 0x00080000 0x00080000 .* R E 0x10000
LOAD .* 0x00090000 0x00090000 .* RW 0x10000
DYNAMIC .*
#...