================
Comment at: include/clang/Driver/Options.td:398-400
@@ -395,1 +397,5 @@
+ HelpText<"Assume that code is built with
PIE in AddressSanitizer">;
+def fno_sanitize_address_assume_pie : Flag<["-"],
"fno-sanitize-address-assume-pie">,
+ Group<f_clang_Group>,
+ HelpText<"Don't assume that code is
built with PIE in AddressSanitizer">;
def fsanitize_blacklist : Joined<["-"], "fsanitize-blacklist=">,
----------------
Richard Smith wrote:
> We generally only provide documentation for the non-default value of a flag,
> to keep the --help output shorter.
Done
================
Comment at: lib/Driver/Tools.cpp:1527
@@ -1518,1 +1526,3 @@
if (!Args.hasArg(options::OPT_shared)) {
+ bool assume_pie = Args.hasFlag(
+ options::OPT_fsanitize_address_assume_pie,
----------------
Richard Smith wrote:
> AssumePie
Done
================
Comment at: lib/Driver/Tools.cpp:1530-1532
@@ +1529,5 @@
+ options::OPT_fno_sanitize_address_assume_pie, false);
+ if (assume_pie && !Args.hasArg(options::OPT_pie)) {
+ TC.getDriver().Diag(diag::err_drv_argument_only_allowed_with) <<
+ "-fsanitize-address-assume-pie" << "-pie";
+ }
----------------
Richard Smith wrote:
> Can we also issue a diagnostic in the compilation step if
> -fsanitize-address-assume-pie is given and we don't have
> -fPIC/-fPIE/-fpic/-fpie?
eugenis@ mentioned that one may compile a (very simple) source w/o -fPIE, but
still be able to successfully link it with "-pie", so overall this doesn't look
like a must.
http://llvm-reviews.chandlerc.com/D303
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