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Require --no-dynamic-linker with -static -E/--dynamic-list 

When -static -E/--dynamic-list are passed to linker, linker may create
executable with dynamic sections which aren't supported by run-time.
We require --no-dynamic-linker together with -static -E/--dynamic-list
before adding dynamic symbol table to static executable.

bfd/

	PR ld/19617
	PR ld/21086
	* elflink.c (elf_link_add_object_symbols): Require
	--no-dynamic-linker with -E/--dynamic-list when creating
	dynamic sections.

ld/

	PR ld/19617
	PR ld/21086
	* testsuite/ld-elf/pr19617a.d: Pass --no-dynamic-linker to ld.
	* testsuite/ld-elf/pr19617b.d: Likewise.
	* testsuite/ld-elf/pr19617c.d: Likewise.
	*testsuite/ld-i386/pr19636-4d.d: Likewise.
	* testsuite/ld-elf/readelf.exp: Pass --no-dynamic-linker to ld
	with --export-dynamic.
	* testsuite/ld-elf/shared.exp: Pass --no-dynamic-linker to ld
	with -E.
This commit is contained in:
H.J. Lu 2017-04-21 12:00:55 -07:00
parent 0d4c07afb1
commit 3c5fce9bc2
11 changed files with 40 additions and 7 deletions
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8
bfd/ChangeLog
View File

@ -1,3 +1,11 @@
2017-04-21 H.J. Lu <hongjiu.lu@intel.com>
PR ld/19617
PR ld/21086
* elflink.c (elf_link_add_object_symbols): Require
--no-dynamic-linker with -E/--dynamic-list when creating
dynamic sections.
2017-04-20 Maciej W. Rozycki <macro@imgtec.com>
* elflink.c (_bfd_elf_symbol_refs_local_p): Always return TRUE

1
bfd/elflink.c
View File

@ -3851,6 +3851,7 @@ elf_link_add_object_symbols (bfd *abfd, struct bfd_link_info *info)
if (!just_syms
&& (bfd_link_pic (info)
|| (!bfd_link_relocatable (info)
&& info->nointerp
&& (info->export_dynamic || info->dynamic)))
&& is_elf_hash_table (htab)
&& info->output_bfd->xvec == abfd->xvec

13
ld/ChangeLog
View File

@ -1,3 +1,16 @@
2017-04-21 H.J. Lu <hongjiu.lu@intel.com>
PR ld/19617
PR ld/21086
* testsuite/ld-elf/pr19617a.d: Pass --no-dynamic-linker to ld.
* testsuite/ld-elf/pr19617b.d: Likewise.
* testsuite/ld-elf/pr19617c.d: Likewise.
*testsuite/ld-i386/pr19636-4d.d: Likewise.
* testsuite/ld-elf/readelf.exp: Pass --no-dynamic-linker to ld
with --export-dynamic.
* testsuite/ld-elf/shared.exp: Pass --no-dynamic-linker to ld
with -E.
2017-04-20 H.J. Lu <hongjiu.lu@intel.com>
PR ld/21402

2
ld/testsuite/ld-elf/pr19617a.d
View File

@ -1,5 +1,5 @@
#source: pr19617.s
#ld: -E
#ld: -E --no-dynamic-linker
#readelf : --dyn-syms --wide
#target: *-*-linux* *-*-gnu* *-*-solaris*

2
ld/testsuite/ld-elf/pr19617b.d
View File

@ -1,5 +1,5 @@
#source: pr19617.s
#ld: --dynamic-list-data
#ld: --dynamic-list-data --no-dynamic-linker
#readelf : --dyn-syms --wide
#target: *-*-linux* *-*-gnu* *-*-solaris*

2
ld/testsuite/ld-elf/pr19617c.d
View File

@ -1,5 +1,5 @@
#source: pr19617.s
#ld: --dynamic-list-data
#ld: --dynamic-list-data --no-dynamic-linker
#readelf : --dyn-syms --wide
#target: *-*-linux* *-*-gnu* *-*-solaris*

8
ld/testsuite/ld-elf/pr21086.c Normal file
View File

@ -0,0 +1,8 @@
#include <stdio.h>
int
main ()
{
printf ("PASS\n");
return 0;
}

3
ld/testsuite/ld-elf/pr21086.list Normal file
View File

@ -0,0 +1,3 @@
{
main;
};

2
ld/testsuite/ld-elf/readelf.exp
View File

@ -43,7 +43,7 @@ if [check_shared_lib_support] {
run_ld_link_tests [list \
[list \
"readelf version information" \
"$LFLAGS -e 0 --export-dynamic -T ver_def.ld\
"$LFLAGS --no-dynamic-linker -e 0 --export-dynamic -T ver_def.ld\
--version-script=ver_def.ver" \
"" "" \
{ver_def.s} \

4
ld/testsuite/ld-elf/shared.exp
View File

@ -104,13 +104,13 @@ if { [check_gc_sections_available] } {
"pr20828-v.so"] \
[list \
"PR ld/20828 forcibly exported symbol version without section GC" \
"$LFLAGS -e foo -E -T pr20828-v.ld" "" "" \
"$LFLAGS --no-dynamic-linker -e foo -E -T pr20828-v.ld" "" "" \
{pr20828-v.s} \
{{objdump -p pr20828-v.od}} \
"pr20828-v-1"] \
[list \
"PR ld/20828 forcibly exported symbol version with section GC" \
"$LFLAGS -e foo --gc-sections -E -T pr20828-v.ld" "" "" \
"$LFLAGS --no-dynamic-linker -e foo --gc-sections -E -T pr20828-v.ld" "" "" \
{pr20828-v.s} \
{{objdump -p pr20828-v.od}} \
"pr20828-v-2"]]

2
ld/testsuite/ld-i386/pr19636-4d.d
View File

@ -1,6 +1,6 @@
#source: pr19636-4.s
#as: --32
#ld: -E --defsym foobar=0x100 -m elf_i386
#ld: -E --defsym foobar=0x100 -m elf_i386 --no-dynamic-linker
#readelf : --dyn-syms --wide
Symbol table '\.dynsym' contains [0-9]+ entries: