From 6738cadcc7b0e5ada20372765a72771dd99efe43 Mon Sep 17 00:00:00 2001 From: "H.J. Lu" Date: Sat, 19 Jan 2013 19:36:37 +0000 Subject: [PATCH] Add HOSTING_SCRT0 for PIE test ld/ * Makefile.am (HOSTING_SCRT0): New. * configure.host (HOSTING_SCRT0): New. Used for PIE. * configure.in (HOSTING_SCRT0): New AC_SUBST. * Makefile.in: Regenerated. * configure: Likewise. ld/testsuite/ * config/default.exp (get_target_emul): Also set HOSTING_SCRT0. * lib/ld-lib.exp (default_ld_link): Use HOSTING_SCRT0 for -pie. --- ld/ChangeLog | 11 +++++++++++ ld/Makefile.am | 1 + ld/Makefile.in | 1 + ld/configure | 6 ++++-- ld/configure.host | 7 +++++++ ld/configure.in | 1 + ld/testsuite/ChangeLog | 6 ++++++ ld/testsuite/config/default.exp | 4 ++-- ld/testsuite/lib/ld-lib.exp | 7 ++++++- 9 files changed, 39 insertions(+), 5 deletions(-) diff --git a/ld/ChangeLog b/ld/ChangeLog index 190e081..bf3d210 100644 --- a/ld/ChangeLog +++ b/ld/ChangeLog @@ -1,3 +1,14 @@ +2013-01-19 H.J. Lu + + * Makefile.am (HOSTING_SCRT0): New. + + * configure.host (HOSTING_SCRT0): New. Used for PIE. + + * configure.in (HOSTING_SCRT0): New AC_SUBST. + + * Makefile.in: Regenerated. + * configure: Likewise. + 2013-01-18 Mike Frysinger * NEWS: Mention change in behavior with --enable-new-dtags. diff --git a/ld/Makefile.am b/ld/Makefile.am index 5fb039f..c12bcb6 100644 --- a/ld/Makefile.am +++ b/ld/Makefile.am @@ -86,6 +86,7 @@ POD2MAN = pod2man --center="GNU Development Tools" \ #stuff for self hosting (can be overridden in config file). HOSTING_CRT0 = @HOSTING_CRT0@ +HOSTING_SCRT0 = @HOSTING_SCRT0@ HOSTING_LIBS = @HOSTING_LIBS@ HOSTING_EMU = -m $(EMUL) diff --git a/ld/Makefile.in b/ld/Makefile.in index a350bc0..e21a7ce 100644 --- a/ld/Makefile.in +++ b/ld/Makefile.in @@ -230,6 +230,7 @@ HDEFINES = @HDEFINES@ #stuff for self hosting (can be overridden in config file). HOSTING_CRT0 = @HOSTING_CRT0@ HOSTING_LIBS = @HOSTING_LIBS@ +HOSTING_SCRT0 = @HOSTING_SCRT0@ INCINTL = @INCINTL@ INSTALL = @INSTALL@ INSTALL_DATA = @INSTALL_DATA@ diff --git a/ld/configure b/ld/configure index cb99b4c..1d20df5 100755 --- a/ld/configure +++ b/ld/configure @@ -614,6 +614,7 @@ ENABLE_PLUGINS_FALSE ENABLE_PLUGINS_TRUE NATIVE_LIB_DIRS HOSTING_LIBS +HOSTING_SCRT0 HOSTING_CRT0 HDEFINES do_compare @@ -12185,7 +12186,7 @@ else lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2 lt_status=$lt_dlunknown cat > conftest.$ac_ext <<_LT_EOF -#line 12188 "configure" +#line 12189 "configure" #include "confdefs.h" #if HAVE_DLFCN_H @@ -12291,7 +12292,7 @@ else lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2 lt_status=$lt_dlunknown cat > conftest.$ac_ext <<_LT_EOF -#line 12294 "configure" +#line 12295 "configure" #include "confdefs.h" #if HAVE_DLFCN_H @@ -16200,6 +16201,7 @@ do_compare="$gcc_cv_prog_cmp_skip" + for ac_header in string.h strings.h stdlib.h unistd.h elf-hints.h limits.h locale.h sys/param.h do : as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh` diff --git a/ld/configure.host b/ld/configure.host index baf79b8..ab7bc7d 100644 --- a/ld/configure.host +++ b/ld/configure.host @@ -56,6 +56,7 @@ case "${host}" in *-*-linux*) HOSTING_CRT0='-dynamic-linker `${CC} --help --verbose 2>&1 | egrep "ld[^ ]*\.so" | sed -e "s,.*-dynamic-linker[ ][ ]*\(.*/ld[^ ]*\.so..\).*,\1,"` `${CC} --print-file-name=crt1.o` `${CC} --print-file-name=crti.o` `if [ -f ../gcc/crtbegin.o ]; then echo ../gcc/crtbegin.o; else ${CC} --print-file-name=crtbegin.o; fi`' + HOSTING_SCRT0='-dynamic-linker `${CC} --help --verbose 2>&1 | egrep "ld[^ ]*\.so" | sed -e "s,.*-dynamic-linker[ ][ ]*\(.*/ld[^ ]*\.so..\).*,\1,"` `${CC} --print-file-name=Scrt1.o` `${CC} --print-file-name=crti.o` `if [ -f ../gcc/crtbeginS.o ]; then echo ../gcc/crtbeginS.o; else ${CC} --print-file-name=crtbeginS.o; fi`' HOSTING_LIBS='-L`dirname \`${CC} --print-file-name=libc.so\`` '"$HOSTING_LIBS"' `if [ -f ../gcc/crtend.o ]; then echo ../gcc/crtend.o; else ${CC} --print-file-name=crtend.o; fi` `${CC} --print-file-name=crtn.o`' ;; @@ -242,3 +243,9 @@ alpha*-*-*) ;; esac + +# Provide default HOSTING_SCRT0. Each host should define a proper one +# if needed. +if test -z "$HOSTING_SCRT0"; then + HOSTING_SCRT0="$HOSTING_CRT0" +fi diff --git a/ld/configure.in b/ld/configure.in index 0cdef93..2af3dfc 100644 --- a/ld/configure.in +++ b/ld/configure.in @@ -185,6 +185,7 @@ ACX_PROG_CMP_IGNORE_INITIAL AC_SUBST(HDEFINES) AC_SUBST(HOSTING_CRT0) +AC_SUBST(HOSTING_SCRT0) AC_SUBST(HOSTING_LIBS) AC_SUBST(NATIVE_LIB_DIRS) diff --git a/ld/testsuite/ChangeLog b/ld/testsuite/ChangeLog index 70aa059..ee98aaa 100644 --- a/ld/testsuite/ChangeLog +++ b/ld/testsuite/ChangeLog @@ -1,3 +1,9 @@ +2013-01-19 H.J. Lu + + * config/default.exp (get_target_emul): Also set HOSTING_SCRT0. + + * lib/ld-lib.exp (default_ld_link): Use HOSTING_SCRT0 for -pie. + 2013-01-18 H.J. Lu * ld-size/size-10.rd: Updated. diff --git a/ld/testsuite/config/default.exp b/ld/testsuite/config/default.exp index bba48d7..d540f19 100644 --- a/ld/testsuite/config/default.exp +++ b/ld/testsuite/config/default.exp @@ -139,11 +139,11 @@ proc get_target_emul {} { } if [isnative] { - foreach x {HOSTING_CRT0 HOSTING_LIBS} { + foreach x {HOSTING_CRT0 HOSTING_SCRT0 HOSTING_LIBS} { get_link_files $x } } else { - foreach x {HOSTING_CRT0 HOSTING_LIBS} { set $x "" } + foreach x {HOSTING_CRT0 HOSTING_SCRT0 HOSTING_LIBS} { set $x "" } } if ![info exists HOSTING_EMU] { set HOSTING_EMU "-m [get_target_emul]" } diff --git a/ld/testsuite/lib/ld-lib.exp b/ld/testsuite/lib/ld-lib.exp index a3ff2e3..0b156a1 100644 --- a/ld/testsuite/lib/ld-lib.exp +++ b/ld/testsuite/lib/ld-lib.exp @@ -179,13 +179,18 @@ proc big_or_little_endian {} { proc default_ld_link { ld target objects } { global HOSTING_EMU global HOSTING_CRT0 + global HOSTING_SCRT0 global HOSTING_LIBS global LIBS global host_triplet global link_output global exec_output - set objs "$HOSTING_CRT0 $objects" + if { [ string match "* -pie *" $objects ] } { + set objs "$HOSTING_SCRT0 $objects" + } else { + set objs "$HOSTING_CRT0 $objects" + } set libs "$LIBS $HOSTING_LIBS" if [is_endian_output_format $objects] then { -- 2.7.4