mirror of
https://github.com/archlinuxarm/PKGBUILDs.git
synced 2024-11-28 22:57:37 +00:00
165 lines
8 KiB
Diff
165 lines
8 KiB
Diff
Index: test/Driver/stack-protector.c
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===================================================================
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--- test/Driver/stack-protector.c (revision 201119)
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+++ test/Driver/stack-protector.c (revision 201120)
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@@ -15,3 +15,11 @@
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// RUN: %clang -target i386-pc-openbsd -fno-stack-protector -### %s 2>&1 | FileCheck %s -check-prefix=OPENBSD_OFF
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// OPENBSD_OFF-NOT: "-stack-protector"
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+
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+// RUN: %clang -fstack-protector-strong -### %s 2>&1 | FileCheck %s -check-prefix=SSP-STRONG
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+// SSP-STRONG: "-stack-protector" "2"
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+// SSP-STRONG-NOT: "-stack-protector-buffer-size"
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+
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+// RUN: %clang -fstack-protector-all -### %s 2>&1 | FileCheck %s -check-prefix=SSP-ALL
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+// SSP-ALL: "-stack-protector" "3"
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+// SSP-ALL-NOT: "-stack-protector-buffer-size"
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Index: test/CodeGen/stack-protector.c
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===================================================================
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--- test/CodeGen/stack-protector.c (revision 201119)
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+++ test/CodeGen/stack-protector.c (revision 201120)
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@@ -2,7 +2,9 @@
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// NOSSP: define void @test1(i8* %msg) #0 {
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// RUN: %clang_cc1 -emit-llvm -o - %s -stack-protector 1 | FileCheck -check-prefix=WITHSSP %s
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// WITHSSP: define void @test1(i8* %msg) #0 {
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-// RUN: %clang_cc1 -emit-llvm -o - %s -stack-protector 2 | FileCheck -check-prefix=SSPREQ %s
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+// RUN: %clang_cc1 -emit-llvm -o - %s -stack-protector 2 | FileCheck -check-prefix=SSPSTRONG %s
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+// SSPSTRONG: define void @test1(i8* %msg) #0 {
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+// RUN: %clang_cc1 -emit-llvm -o - %s -stack-protector 3 | FileCheck -check-prefix=SSPREQ %s
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// SSPREQ: define void @test1(i8* %msg) #0 {
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typedef __SIZE_TYPE__ size_t;
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@@ -21,4 +23,6 @@
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// WITHSSP: attributes #{{.*}} = { nounwind ssp{{.*}} }
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+// SSPSTRONG: attributes #{{.*}} = { nounwind sspstrong{{.*}} }
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+
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// SSPREQ: attributes #{{.*}} = { nounwind sspreq{{.*}} }
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Index: include/clang/Basic/LangOptions.h
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===================================================================
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--- include/clang/Basic/LangOptions.h (revision 201119)
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+++ include/clang/Basic/LangOptions.h (revision 201120)
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@@ -58,7 +58,7 @@
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typedef clang::Visibility Visibility;
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enum GCMode { NonGC, GCOnly, HybridGC };
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- enum StackProtectorMode { SSPOff, SSPOn, SSPReq };
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+ enum StackProtectorMode { SSPOff, SSPOn, SSPStrong, SSPReq };
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enum SignedOverflowBehaviorTy {
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SOB_Undefined, // Default C standard behavior.
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Index: include/clang/Driver/ToolChain.h
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===================================================================
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--- include/clang/Driver/ToolChain.h (revision 201119)
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+++ include/clang/Driver/ToolChain.h (revision 201120)
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@@ -196,7 +196,7 @@
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virtual bool UseObjCMixedDispatch() const { return false; }
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/// GetDefaultStackProtectorLevel - Get the default stack protector level for
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- /// this tool chain (0=off, 1=on, 2=all).
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+ /// this tool chain (0=off, 1=on, 2=strong, 3=all).
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virtual unsigned GetDefaultStackProtectorLevel(bool KernelOrKext) const {
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return 0;
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}
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Index: include/clang/Driver/Options.td
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===================================================================
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--- include/clang/Driver/Options.td (revision 201119)
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+++ include/clang/Driver/Options.td (revision 201120)
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@@ -675,7 +675,8 @@
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Flags<[CC1Option]>, HelpText<"Do not include source location information with diagnostics">;
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def fno_spell_checking : Flag<["-"], "fno-spell-checking">, Group<f_Group>,
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Flags<[CC1Option]>, HelpText<"Disable spell-checking">;
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-def fno_stack_protector : Flag<["-"], "fno-stack-protector">, Group<f_Group>;
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+def fno_stack_protector : Flag<["-"], "fno-stack-protector">, Group<f_Group>,
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+ HelpText<"Disable the use of stack protectors">;
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def fno_strict_aliasing : Flag<["-"], "fno-strict-aliasing">, Group<f_Group>;
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def fstruct_path_tbaa : Flag<["-"], "fstruct-path-tbaa">, Group<f_Group>;
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def fno_struct_path_tbaa : Flag<["-"], "fno-struct-path-tbaa">, Group<f_Group>;
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@@ -773,8 +774,12 @@
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def fno_signed_char : Flag<["-"], "fno-signed-char">, Flags<[CC1Option]>,
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Group<clang_ignored_f_Group>, HelpText<"Char is unsigned">;
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def fsplit_stack : Flag<["-"], "fsplit-stack">, Group<f_Group>;
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-def fstack_protector_all : Flag<["-"], "fstack-protector-all">, Group<f_Group>;
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-def fstack_protector : Flag<["-"], "fstack-protector">, Group<f_Group>;
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+def fstack_protector_all : Flag<["-"], "fstack-protector-all">, Group<f_Group>,
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+ HelpText<"Force the usage of stack protectors for all functions">;
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+def fstack_protector_strong : Flag<["-"], "fstack-protector-strong">, Group<f_Group>,
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+ HelpText<"Use a strong heuristic to apply stack protectors to functions">;
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+def fstack_protector : Flag<["-"], "fstack-protector">, Group<f_Group>,
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+ HelpText<"Enable stack protectors for functions potentially vulnerable to stack smashing">;
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def fstrict_aliasing : Flag<["-"], "fstrict-aliasing">, Group<f_Group>;
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def fstrict_enums : Flag<["-"], "fstrict-enums">, Group<f_Group>, Flags<[CC1Option]>,
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HelpText<"Enable optimizations based on the strict definition of an enum's "
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Index: lib/Frontend/CompilerInvocation.cpp
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===================================================================
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--- lib/Frontend/CompilerInvocation.cpp (revision 201119)
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+++ lib/Frontend/CompilerInvocation.cpp (revision 201120)
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@@ -1435,7 +1435,8 @@
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break;
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case 0: Opts.setStackProtector(LangOptions::SSPOff); break;
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case 1: Opts.setStackProtector(LangOptions::SSPOn); break;
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- case 2: Opts.setStackProtector(LangOptions::SSPReq); break;
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+ case 2: Opts.setStackProtector(LangOptions::SSPStrong); break;
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+ case 3: Opts.setStackProtector(LangOptions::SSPReq); break;
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}
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// Parse -fsanitize= arguments.
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Index: lib/Frontend/InitPreprocessor.cpp
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===================================================================
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--- lib/Frontend/InitPreprocessor.cpp (revision 201119)
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+++ lib/Frontend/InitPreprocessor.cpp (revision 201120)
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@@ -695,8 +695,10 @@
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if (LangOpts.getStackProtector() == LangOptions::SSPOn)
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Builder.defineMacro("__SSP__");
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+ else if (LangOpts.getStackProtector() == LangOptions::SSPStrong)
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+ Builder.defineMacro("__SSP_STRONG__", "2");
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else if (LangOpts.getStackProtector() == LangOptions::SSPReq)
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- Builder.defineMacro("__SSP_ALL__", "2");
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+ Builder.defineMacro("__SSP_ALL__", "3");
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if (FEOpts.ProgramAction == frontend::RewriteObjC)
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Builder.defineMacro("__weak", "__attribute__((objc_gc(weak)))");
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Index: lib/Driver/Tools.cpp
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===================================================================
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--- lib/Driver/Tools.cpp (revision 201119)
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+++ lib/Driver/Tools.cpp (revision 201120)
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@@ -10,6 +10,7 @@
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#include "Tools.h"
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#include "InputInfo.h"
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#include "ToolChains.h"
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+#include "clang/Basic/LangOptions.h"
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#include "clang/Basic/ObjCRuntime.h"
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#include "clang/Basic/Version.h"
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#include "clang/Driver/Action.h"
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@@ -3114,11 +3115,14 @@
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unsigned StackProtectorLevel = 0;
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if (Arg *A = Args.getLastArg(options::OPT_fno_stack_protector,
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options::OPT_fstack_protector_all,
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+ options::OPT_fstack_protector_strong,
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options::OPT_fstack_protector)) {
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if (A->getOption().matches(options::OPT_fstack_protector))
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- StackProtectorLevel = 1;
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+ StackProtectorLevel = LangOptions::SSPOn;
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+ else if (A->getOption().matches(options::OPT_fstack_protector_strong))
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+ StackProtectorLevel = LangOptions::SSPStrong;
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else if (A->getOption().matches(options::OPT_fstack_protector_all))
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- StackProtectorLevel = 2;
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+ StackProtectorLevel = LangOptions::SSPReq;
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} else {
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StackProtectorLevel =
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getToolChain().GetDefaultStackProtectorLevel(KernelOrKext);
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Index: lib/CodeGen/CodeGenModule.cpp
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===================================================================
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--- lib/CodeGen/CodeGenModule.cpp (revision 201119)
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+++ lib/CodeGen/CodeGenModule.cpp (revision 201120)
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@@ -651,6 +651,8 @@
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if (LangOpts.getStackProtector() == LangOptions::SSPOn)
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B.addAttribute(llvm::Attribute::StackProtect);
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+ else if (LangOpts.getStackProtector() == LangOptions::SSPStrong)
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+ B.addAttribute(llvm::Attribute::StackProtectStrong);
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else if (LangOpts.getStackProtector() == LangOptions::SSPReq)
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B.addAttribute(llvm::Attribute::StackProtectReq);
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