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Disable execstack and rwx segments warnings for MIPS targets.

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PR 29263
	* configure.ac: Move HPPA specific code from here...
	* configure.tgt: ... to here.  Add similar code for MIPS.
	Move code for CRIS, MIPS and HPPA to block at start of file.
	* configure: Regenerate.
This commit is contained in:
Nick Clifton 2022-06-27 11:39:27 +01:00
parent 4f6c04da69
commit ed1c7ad8e3
4 changed files with 48 additions and 29 deletions
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8
ld/ChangeLog
View File

@ -1,3 +1,11 @@
2022-06-27 Nick Clifton <nickc@redhat.com>
PR 29263
* configure.ac: Move HPPA specific code from here...
* configure.tgt: ... to here. Add similar code for MIPS.
Move code for CRIS, MIPS and HPPA to block at start of file.
* configure: Regenerate.
2022-06-21 Nick Clifton <nickc@redhat.com>
PR 29263

14
ld/configure vendored
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@ -15461,12 +15461,7 @@ fi
# By default warn when an executable stack is created due to object files
# requesting such, not when the user specifies -z execstack.
case "${target}" in
# The HPPA port needs to support older kernels that use executable stacks
# for signals and syscalls.
hppa*-*-*) ac_default_ld_warn_execstack=0 ;;
*) ac_default_ld_warn_execstack=2 ;;
esac
ac_default_ld_warn_execstack=2
# Check whether --enable-warn-execstack was given.
if test "${enable_warn_execstack+set}" = set; then :
enableval=$enable_warn_execstack; case "${enableval}" in
@ -17277,12 +17272,7 @@ _ACEOF
if test "${ac_default_ld_warn_rwx_segments}" = unset; then
case "${target}" in
# The HPPA's PLT section uses a constructed trampoline, hence it needs to
# have a RWX segment.
hppa*-*-*) ac_default_ld_warn_rwx_segments=0 ;;
*) ac_default_ld_warn_rwx_segments=1 ;;
esac
ac_default_ld_warn_rwx_segments=1
fi
cat >>confdefs.h <<_ACEOF

14
ld/configure.ac
View File

@ -206,12 +206,7 @@ esac])
# By default warn when an executable stack is created due to object files
# requesting such, not when the user specifies -z execstack.
[case "${target}" in
# The HPPA port needs to support older kernels that use executable stacks
# for signals and syscalls.
hppa*-*-*) ac_default_ld_warn_execstack=0 ;;
*) ac_default_ld_warn_execstack=2 ;;
esac]
ac_default_ld_warn_execstack=2
AC_ARG_ENABLE(warn-execstack,
AS_HELP_STRING([--enable-warn-execstack],
[enable warnings when creating an executable stack]),
@ -569,12 +564,7 @@ AC_DEFINE_UNQUOTED(DEFAULT_LD_WARN_EXECSTACK,
[Define to 1 if you want to enable --warn-execstack in ELF linker by default.])
if test "${ac_default_ld_warn_rwx_segments}" = unset; then
[case "${target}" in
# The HPPA's PLT section uses a constructed trampoline, hence it needs to
# have a RWX segment.
hppa*-*-*) ac_default_ld_warn_rwx_segments=0 ;;
*) ac_default_ld_warn_rwx_segments=1 ;;
esac]
ac_default_ld_warn_rwx_segments=1 ;;
fi
AC_DEFINE_UNQUOTED(DEFAULT_LD_WARN_RWX_SEGMENTS,
$ac_default_ld_warn_rwx_segments,

41
ld/configure.tgt
View File

@ -40,6 +40,42 @@ targ_extra_ofiles="ldelf.o ldelfgen.o"
targ64_extra_emuls=
targ64_extra_libpath=
# By default the linker will generate warnings if it is creating an
# executable stack or a segment with all three of read, write and
# execute permissions. These settings are not appropriate for all
# targets however, so we can change them here:
if test "${ac_default_ld_warn_rwx_segments}" = unset; then
case "${targ}" in
# The CRIS default linker script yields just one segment
# as intended, so a rwx segment warning is not helpful.
# The HPPA's PLT section uses a constructed trampoline
# hence it needs to have a RWX segment.
# Many MIPS targets use executable segments.
cris-*-* | crisv32-*-* | \
hppa*-*-* | \
mips*-*-*)
ac_default_ld_warn_rwx_segments=0
;;
*)
;;
esac
fi
if test "${ac_default_ld_warn_execstack}" = 2; then
case "${targ}" in
# The HPPA port needs to support older kernels that
# use executable stacks for signals and syscalls.
# Many MIPS targets use executable stacks.
hppa*-*-* | \
mips*-*-*)
ac_default_ld_warn_execstack=0
;;
*)
;;
esac
fi
# Please try to keep this table more or less in alphabetic order - it
# makes it much easier to lookup a specific archictecture.
case "${targ}" in
@ -235,11 +271,6 @@ cris-*-linux-* | crisv32-*-linux-*)
cris-*-* | crisv32-*-*) targ_emul=criself
targ_extra_emuls="crisaout crislinux"
targ_extra_libpath=$targ_extra_emuls
# The default linker script yields just one segment
# as intended, and then a warning is not helpful.
if test "${ac_default_ld_warn_rwx_segments}" = unset; then
ac_default_ld_warn_rwx_segments=0
fi
;;
crx-*-elf*) targ_emul=elf32crx
;;