maxjhandsome
/
llvm-project
forked from OSchip/llvm-project
1
0
Fork 0
Code Issues Pull Requests Packages Releases Wiki Activity

[Docs] Expand -fstack-protector and -fstack-protector-all 

Improve the description of these command line options
by providing specific heuristic information, as outlined
for the ssp function attribute(s) in LLVM's documentation.

Also rewords -fstack-protector-all for affinity.

Differential Revision: https://reviews.llvm.org/D55428

llvm-svn: 349335
This commit is contained in:
Carey Williams 2018-12-17 10:11:35 +00:00
parent 884deed1b3
commit d94b0f62cf
1 changed files with 10 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

13
clang/include/clang/Driver/Options.td
View File

@ -1639,11 +1639,18 @@ def fno_signed_char : Flag<["-"], "fno-signed-char">, Group<f_Group>,
Flags<[CC1Option]>, HelpText<"Char is unsigned">;
def fsplit_stack : Flag<["-"], "fsplit-stack">, Group<f_Group>;
def fstack_protector_all : Flag<["-"], "fstack-protector-all">, Group<f_Group>,
HelpText<"Force the usage of stack protectors for all functions">;
HelpText<"Enable stack protectors for all functions">;
def fstack_protector_strong : Flag<["-"], "fstack-protector-strong">, Group<f_Group>,
HelpText<"Use a strong heuristic to apply stack protectors to functions">;
HelpText<"Enable stack protectors for some functions vulnerable to stack smashing. "
"Compared to -fstack-protector, this uses a stronger heuristic "
"that includes functions containing arrays of any size (and any type), "
"as well as any calls to alloca or the taking of an address from a local variable">;
def fstack_protector : Flag<["-"], "fstack-protector">, Group<f_Group>,
HelpText<"Enable stack protectors for functions potentially vulnerable to stack smashing">;
HelpText<"Enable stack protectors for some functions vulnerable to stack smashing. "
"This uses a loose heuristic which considers functions vulnerable "
"if they contain a char (or 8bit integer) array or constant sized calls to "
"alloca, which are of greater size than ssp-buffer-size (default: 8 bytes). "
"All variable sized calls to alloca are considered vulnerable">;
def fstandalone_debug : Flag<["-"], "fstandalone-debug">, Group<f_Group>, Flags<[CoreOption]>,
HelpText<"Emit full debug info for all types used by the program">;
def fno_standalone_debug : Flag<["-"], "fno-standalone-debug">, Group<f_Group>, Flags<[CoreOption]>,