zorry 16/09/19 16:53:08 Modified: README.history Added: 13_all_default-ssp-fix.patch Log: add default ssp support for gcc 6.2.0
Revision Changes Path 1.2 src/patchsets/gcc/6.2.0/gentoo/README.history file : http://sources.gentoo.org/viewvc.cgi/gentoo/src/patchsets/gcc/6.2.0/gentoo/README.history?rev=1.2&view=markup plain: http://sources.gentoo.org/viewvc.cgi/gentoo/src/patchsets/gcc/6.2.0/gentoo/README.history?rev=1.2&content-type=text/plain diff : http://sources.gentoo.org/viewvc.cgi/gentoo/src/patchsets/gcc/6.2.0/gentoo/README.history?r1=1.1&r2=1.2 Index: README.history =================================================================== RCS file: /var/cvsroot/gentoo/src/patchsets/gcc/6.2.0/gentoo/README.history,v retrieving revision 1.1 retrieving revision 1.2 diff -u -r1.1 -r1.2 --- README.history 12 Sep 2016 15:20:57 -0000 1.1 +++ README.history 19 Sep 2016 16:53:08 -0000 1.2 @@ -1,4 +1,7 @@ -1.0 10 sep 2016 +1.1 19 Sep 2016 + + 13_all_default-ssp-fix.patch + +1.0 10 Sep 2016 + 10_all_default-fortify-source.patch + 11_all_default-warn-format-security.patch + 12_all_default-warn-trampolines.patch 1.1 src/patchsets/gcc/6.2.0/gentoo/13_all_default-ssp-fix.patch file : http://sources.gentoo.org/viewvc.cgi/gentoo/src/patchsets/gcc/6.2.0/gentoo/13_all_default-ssp-fix.patch?rev=1.1&view=markup plain: http://sources.gentoo.org/viewvc.cgi/gentoo/src/patchsets/gcc/6.2.0/gentoo/13_all_default-ssp-fix.patch?rev=1.1&content-type=text/plain Index: 13_all_default-ssp-fix.patch =================================================================== We disable ssp on -nostdlib and -ffreestanding as we did on older gcc and change the buffer size. --- a/gcc/c-family/c-opts.c 2016-03-08 23:30:44.000000000 +0100 +++ b/gcc/c-family/c-opts.c 2016-09-18 18:42:10.231644014 +0200 @@ -436,7 +436,15 @@ c_common_handle_option (size_t scode, co case OPT_ffreestanding: value = !value; + if (global_options.x_flag_stack_protect == -1) + global_options.x_flag_stack_protect = 0; /* Fall through.... */ + + case OPT_nostdlib: + if (global_options.x_flag_stack_protect == -1) + global_options.x_flag_stack_protect = 0; + /* Fall through.... */ + case OPT_fhosted: flag_hosted = value; flag_no_builtin = !value; --- a/gcc/c-family/c.opt 2016-03-23 18:51:56.000000000 +0100 +++ b/gcc/c-family/c.opt 2016-09-18 18:46:17.071649782 +0200 @@ -1647,6 +1647,10 @@ nostdinc++ C++ ObjC++ Do not search standard system include directories for C++. +nostdlib +C ObjC C++ ObjC++ +; Documented in common.opt + o C ObjC C++ ObjC++ Joined Separate ; Documented in common.opt --- a/gcc/gcc.c 2016-02-19 23:18:38.000000000 +0100 +++ b/gcc/gcc.c 2016-09-18 18:47:35.621651618 +0200 @@ -1132,6 +1143,7 @@ static const char *cc1_options = %{-help=*:--help=%*}\ %{!fsyntax-only:%{S:%W{o*}%{!o*:-o %b.s}}}\ %{fsyntax-only:-o %j} %{-param*}\ + %{nostdlib:-nostdlib}\ %{coverage:-fprofile-arcs -ftest-coverage}"; static const char *asm_options = --- a/gcc/params.def 2016-03-30 09:47:40.000000000 +0200 +++ b/gcc/params.def 2016-09-19 12:56:58.443179039 +0200 @@ -673,7 +673,7 @@ DEFPARAM (PARAM_INTEGER_SHARE_LIMIT, DEFPARAM (PARAM_SSP_BUFFER_SIZE, "ssp-buffer-size", "The lower bound for a buffer to be considered for stack smashing protection.", - 8, 1, 0) + 4, 1, 0) DEFPARAM (PARAM_MIN_SIZE_FOR_STACK_SHARING, "min-size-for-stack-sharing",
