diff options
Diffstat (limited to 'src/patchsets/gcc/7.3.0/13_all_default-ssp-fix.patch')
| -rw-r--r-- | src/patchsets/gcc/7.3.0/13_all_default-ssp-fix.patch | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/src/patchsets/gcc/7.3.0/13_all_default-ssp-fix.patch b/src/patchsets/gcc/7.3.0/13_all_default-ssp-fix.patch new file mode 100644 index 0000000000..d5672974c5 --- /dev/null +++ b/src/patchsets/gcc/7.3.0/13_all_default-ssp-fix.patch @@ -0,0 +1,54 @@ +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 ++++ b/gcc/c-family/c-opts.c +@@ -450,7 +450,14 @@ + + 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; ++ + case OPT_fhosted: + flag_hosted = value; + flag_no_builtin = !value; +--- a/gcc/c-family/c.opt ++++ b/gcc/c-family/c.opt +@@ -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 ++++ b/gcc/gcc.c +@@ -1145,6 +1145,7 @@ + %{-help=*:--help=%*}\ + %{!fsyntax-only:%{S:%W{o*}%{!o*:-o %b.s}}}\ + %{fsyntax-only:-o %j} %{-param*}\ ++ %{nostdlib:-nostdlib}\ + %{coverage:-fprofile-arcs -ftest-coverage}\ + %{fprofile-arcs|fprofile-generate*|coverage:\ + %{!fprofile-update=single:\ +--- a/gcc/params.def ++++ b/gcc/params.def +@@ -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", |