mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-11-26 04:32:44 +01:00
Add the IR attribute 'sspstrong'.
SSPStrong applies a heuristic to insert stack protectors in these situations: * A Protector is required for functions which contain an array, regardless of type or length. * A Protector is required for functions which contain a structure/union which contains an array, regardless of type or length. Note, there is no limit to the depth of nesting. * A protector is required when the address of a local variable (i.e., stack based variable) is exposed. (E.g., such as through a local whose address is taken as part of the RHS of an assignment or a local whose address is taken as part of a function argument.) This patch implements the SSPString attribute to be equivalent to SSPRequired. This will change in a subsequent patch. llvm-svn: 173230
This commit is contained in:
Bill Wendling
parent
c31f99d129
commit
9e0064d80b
@ -837,8 +837,16 @@ example:
|
||||
|
||||
If a function that has an ``sspreq`` attribute is inlined into a
|
||||
function that doesn't have an ``sspreq`` attribute or which has an
|
||||
``ssp`` attribute, then the resulting function will have an
|
||||
``sspreq`` attribute.
|
||||
``ssp`` or ``sspstrong`` attribute, then the resulting function will have
|
||||
an ``sspreq`` attribute.
|
||||
``sspstrong``
|
||||
This attribute indicates that the function should emit a stack smashing
|
||||
protector. Currently this attribute has the same effect as
|
||||
``sspreq``. This overrides the ``ssp`` function attribute.
|
||||
|
||||
If a function that has an ``sspstrong`` attribute is inlined into a
|
||||
function that doesn't have an ``sspstrong`` attribute, then the
|
||||
resulting function will have an ``sspstrong`` attribute.
|
||||
``uwtable``
|
||||
This attribute indicates that the ABI being targeted requires that
|
||||
an unwind table entry be produce for this function even if we can
|
||||
|
||||
@ -173,10 +173,11 @@ typedef enum {
|
||||
LLVMUWTable = 1 << 30,
|
||||
LLVMNonLazyBind = 1 << 31
|
||||
|
||||
/* FIXME: This attribute is currently not included in the C API as
|
||||
/* FIXME: These attributes are currently not included in the C API as
|
||||
a temporary measure until the API/ABI impact to the C API is understood
|
||||
and the path forward agreed upon.
|
||||
LLVMAddressSafety = 1ULL << 32
|
||||
LLVMAddressSafety = 1ULL << 32,
|
||||
LLVMStackProtectStrongAttribute = 1ULL<<33
|
||||
*/
|
||||
} LLVMAttribute;
|
||||
|
||||
|
||||
@ -90,6 +90,7 @@ public:
|
||||
///< alignstack=(1))
|
||||
StackProtect, ///< Stack protection.
|
||||
StackProtectReq, ///< Stack protection required.
|
||||
StackProtectStrong, ///< Strong Stack protection.
|
||||
StructRet, ///< Hidden pointer to structure to return
|
||||
UWTable, ///< Function must be in a unwind table
|
||||
ZExt, ///< Zero extended before/after call
|
||||
@ -463,6 +464,7 @@ public:
|
||||
.removeAttribute(Attribute::OptimizeForSize)
|
||||
.removeAttribute(Attribute::StackProtect)
|
||||
.removeAttribute(Attribute::StackProtectReq)
|
||||
.removeAttribute(Attribute::StackProtectStrong)
|
||||
.removeAttribute(Attribute::NoRedZone)
|
||||
.removeAttribute(Attribute::NoImplicitFloat)
|
||||
.removeAttribute(Attribute::Naked)
|
||||
|
||||
@ -549,6 +549,7 @@ lltok::Kind LLLexer::LexIdentifier() {
|
||||
KEYWORD(optsize);
|
||||
KEYWORD(ssp);
|
||||
KEYWORD(sspreq);
|
||||
KEYWORD(sspstrong);
|
||||
KEYWORD(noredzone);
|
||||
KEYWORD(noimplicitfloat);
|
||||
KEYWORD(naked);
|
||||
|
||||
@ -956,6 +956,7 @@ bool LLParser::ParseOptionalFuncAttrs(AttrBuilder &B) {
|
||||
case lltok::kw_returns_twice: B.addAttribute(Attribute::ReturnsTwice); break;
|
||||
case lltok::kw_ssp: B.addAttribute(Attribute::StackProtect); break;
|
||||
case lltok::kw_sspreq: B.addAttribute(Attribute::StackProtectReq); break;
|
||||
case lltok::kw_sspstrong: B.addAttribute(Attribute::StackProtectStrong); break;
|
||||
case lltok::kw_uwtable: B.addAttribute(Attribute::UWTable); break;
|
||||
case lltok::kw_noduplicate: B.addAttribute(Attribute::NoDuplicate); break;
|
||||
|
||||
@ -1050,11 +1051,11 @@ bool LLParser::ParseOptionalReturnAttrs(AttrBuilder &B) {
|
||||
case lltok::kw_readonly: case lltok::kw_inlinehint:
|
||||
case lltok::kw_alwaysinline: case lltok::kw_optsize:
|
||||
case lltok::kw_ssp: case lltok::kw_sspreq:
|
||||
case lltok::kw_noredzone: case lltok::kw_noimplicitfloat:
|
||||
case lltok::kw_naked: case lltok::kw_nonlazybind:
|
||||
case lltok::kw_address_safety: case lltok::kw_minsize:
|
||||
case lltok::kw_alignstack: case lltok::kw_align:
|
||||
case lltok::kw_noduplicate:
|
||||
case lltok::kw_sspstrong: case lltok::kw_noimplicitfloat:
|
||||
case lltok::kw_noredzone: case lltok::kw_naked:
|
||||
case lltok::kw_nonlazybind: case lltok::kw_address_safety:
|
||||
case lltok::kw_minsize: case lltok::kw_alignstack:
|
||||
case lltok::kw_align: case lltok::kw_noduplicate:
|
||||
HaveError |= Error(Lex.getLoc(), "invalid use of function-only attribute");
|
||||
break;
|
||||
}
|
||||
|
||||
@ -110,6 +110,7 @@ namespace lltok {
|
||||
kw_optsize,
|
||||
kw_ssp,
|
||||
kw_sspreq,
|
||||
kw_sspstrong,
|
||||
kw_noredzone,
|
||||
kw_noimplicitfloat,
|
||||
kw_naked,
|
||||
|
||||
@ -141,6 +141,12 @@ bool StackProtector::RequiresStackProtector() const {
|
||||
Attribute::StackProtectReq))
|
||||
return true;
|
||||
|
||||
// FIXME: Dummy SSP-strong implementation. Default to required until
|
||||
// strong heuristic is implemented.
|
||||
if (F->getAttributes().hasAttribute(AttributeSet::FunctionIndex,
|
||||
Attribute::StackProtectStrong))
|
||||
return true;
|
||||
|
||||
if (!F->getAttributes().hasAttribute(AttributeSet::FunctionIndex,
|
||||
Attribute::StackProtect))
|
||||
return false;
|
||||
|
||||
@ -206,6 +206,8 @@ std::string Attribute::getAsString() const {
|
||||
Result += "ssp ";
|
||||
if (hasAttribute(Attribute::StackProtectReq))
|
||||
Result += "sspreq ";
|
||||
if (hasAttribute(Attribute::StackProtectStrong))
|
||||
Result += "sspstrong ";
|
||||
if (hasAttribute(Attribute::NoRedZone))
|
||||
Result += "noredzone ";
|
||||
if (hasAttribute(Attribute::NoImplicitFloat))
|
||||
@ -487,6 +489,7 @@ uint64_t AttributeImpl::getAttrMask(Attribute::AttrKind Val) {
|
||||
case Attribute::AddressSafety: return 1ULL << 32;
|
||||
case Attribute::MinSize: return 1ULL << 33;
|
||||
case Attribute::NoDuplicate: return 1ULL << 34;
|
||||
case Attribute::StackProtectStrong: return 1ULL << 35;
|
||||
}
|
||||
llvm_unreachable("Unsupported attribute type");
|
||||
}
|
||||
|
||||
@ -499,6 +499,7 @@ void CppWriter::printAttributes(const AttributeSet &PAL,
|
||||
HANDLE_ATTR(OptimizeForSize);
|
||||
HANDLE_ATTR(StackProtect);
|
||||
HANDLE_ATTR(StackProtectReq);
|
||||
HANDLE_ATTR(StackProtectStrong);
|
||||
HANDLE_ATTR(NoCapture);
|
||||
HANDLE_ATTR(NoRedZone);
|
||||
HANDLE_ATTR(NoImplicitFloat);
|
||||
|
||||
@ -72,6 +72,40 @@ void Inliner::getAnalysisUsage(AnalysisUsage &AU) const {
|
||||
typedef DenseMap<ArrayType*, std::vector<AllocaInst*> >
|
||||
InlinedArrayAllocasTy;
|
||||
|
||||
/// \brief If the inlined function had a higher stack protection level than the
|
||||
/// calling function, then bump up the caller's stack protection level.
|
||||
static void AdjustCallerSSPLevel(Function *Caller, Function *Callee) {
|
||||
// If upgrading the SSP attribute, clear out the old SSP Attributes first.
|
||||
// Having multiple SSP attributes doesn't actually hurt, but it adds useless
|
||||
// clutter to the IR.
|
||||
AttrBuilder B;
|
||||
B.addAttribute(Attribute::StackProtect)
|
||||
.addAttribute(Attribute::StackProtectStrong);
|
||||
AttributeSet OldSSPAttr = AttributeSet::get(Caller->getContext(),
|
||||
AttributeSet::FunctionIndex,
|
||||
B);
|
||||
AttributeSet CallerAttr = Caller->getAttributes(),
|
||||
CalleeAttr = Callee->getAttributes();
|
||||
|
||||
if (CalleeAttr.hasAttribute(AttributeSet::FunctionIndex,
|
||||
Attribute::StackProtectReq)) {
|
||||
Caller->removeAttributes(AttributeSet::FunctionIndex, OldSSPAttr);
|
||||
Caller->addFnAttr(Attribute::StackProtectReq);
|
||||
} else if (CalleeAttr.hasAttribute(AttributeSet::FunctionIndex,
|
||||
Attribute::StackProtectStrong) &&
|
||||
!CallerAttr.hasAttribute(AttributeSet::FunctionIndex,
|
||||
Attribute::StackProtectReq)) {
|
||||
Caller->removeAttributes(AttributeSet::FunctionIndex, OldSSPAttr);
|
||||
Caller->addFnAttr(Attribute::StackProtectStrong);
|
||||
} else if (CalleeAttr.hasAttribute(AttributeSet::FunctionIndex,
|
||||
Attribute::StackProtect) &&
|
||||
!CallerAttr.hasAttribute(AttributeSet::FunctionIndex,
|
||||
Attribute::StackProtectReq) &&
|
||||
!CallerAttr.hasAttribute(AttributeSet::FunctionIndex,
|
||||
Attribute::StackProtectStrong))
|
||||
Caller->addFnAttr(Attribute::StackProtect);
|
||||
}
|
||||
|
||||
/// InlineCallIfPossible - If it is possible to inline the specified call site,
|
||||
/// do so and update the CallGraph for this operation.
|
||||
///
|
||||
@ -91,16 +125,7 @@ static bool InlineCallIfPossible(CallSite CS, InlineFunctionInfo &IFI,
|
||||
if (!InlineFunction(CS, IFI, InsertLifetime))
|
||||
return false;
|
||||
|
||||
// If the inlined function had a higher stack protection level than the
|
||||
// calling function, then bump up the caller's stack protection level.
|
||||
if (Callee->getAttributes().hasAttribute(AttributeSet::FunctionIndex,
|
||||
Attribute::StackProtectReq))
|
||||
Caller->addFnAttr(Attribute::StackProtectReq);
|
||||
else if (Callee->getAttributes().hasAttribute(AttributeSet::FunctionIndex,
|
||||
Attribute::StackProtect) &&
|
||||
!Caller->getAttributes().hasAttribute(AttributeSet::FunctionIndex,
|
||||
Attribute::StackProtectReq))
|
||||
Caller->addFnAttr(Attribute::StackProtect);
|
||||
AdjustCallerSSPLevel(Caller, Callee);
|
||||
|
||||
// Look at all of the allocas that we inlined through this call site. If we
|
||||
// have already inlined other allocas through other calls into this function,
|
||||
|
||||
@ -1,28 +1,635 @@
|
||||
; RUN: llc -mtriple=i386-pc-linux-gnu < %s -o - | grep %gs:
|
||||
; RUN: llc -mtriple=x86_64-pc-linux-gnu < %s -o - | grep %fs:
|
||||
; RUN: llc -code-model=kernel -mtriple=x86_64-pc-linux-gnu < %s -o - | grep %gs:
|
||||
; RUN: llc -mtriple=x86_64-apple-darwin < %s -o - | grep "__stack_chk_guard"
|
||||
; RUN: llc -mtriple=x86_64-apple-darwin < %s -o - | grep "__stack_chk_fail"
|
||||
; RUN: llc -mtriple=i386-pc-linux-gnu < %s -o - | FileCheck --check-prefix=LINUX-I386 %s
|
||||
; RUN: llc -mtriple=x86_64-pc-linux-gnu < %s -o - | FileCheck --check-prefix=LINUX-X64 %s
|
||||
; RUN: llc -code-model=kernel -mtriple=x86_64-pc-linux-gnu < %s -o - | FileCheck --check-prefix=LINUX-KERNEL-X64 %s
|
||||
; RUN: llc -mtriple=x86_64-apple-darwin < %s -o - | FileCheck --check-prefix=DARWIN-X64 %s
|
||||
; FIXME: Update and expand test when strong heuristic is implemented.
|
||||
|
||||
@"\01LC" = internal constant [11 x i8] c"buf == %s\0A\00" ; <[11 x i8]*> [#uses=1]
|
||||
%struct.foo = type { [16 x i8] }
|
||||
%struct.foo.0 = type { [4 x i8] }
|
||||
|
||||
define void @test(i8* %a) nounwind ssp {
|
||||
@.str = private unnamed_addr constant [4 x i8] c"%s\0A\00", align 1
|
||||
|
||||
; test1a: array of [16 x i8]
|
||||
; no ssp attribute
|
||||
; Requires no protector.
|
||||
define void @test1a(i8* %a) nounwind uwtable {
|
||||
entry:
|
||||
%a_addr = alloca i8* ; <i8**> [#uses=2]
|
||||
%buf = alloca [8 x i8] ; <[8 x i8]*> [#uses=2]
|
||||
%"alloca point" = bitcast i32 0 to i32 ; <i32> [#uses=0]
|
||||
store i8* %a, i8** %a_addr
|
||||
%buf1 = bitcast [8 x i8]* %buf to i8* ; <i8*> [#uses=1]
|
||||
%0 = load i8** %a_addr, align 4 ; <i8*> [#uses=1]
|
||||
%1 = call i8* @strcpy(i8* %buf1, i8* %0) nounwind ; <i8*> [#uses=0]
|
||||
%buf2 = bitcast [8 x i8]* %buf to i8* ; <i8*> [#uses=1]
|
||||
%2 = call i32 (i8*, ...)* @printf(i8* getelementptr ([11 x i8]* @"\01LC", i32 0, i32 0), i8* %buf2) nounwind ; <i32> [#uses=0]
|
||||
br label %return
|
||||
; LINUX-I386: test1a:
|
||||
; LINUX-I386-NOT: calll __stack_chk_fail
|
||||
; LINUX-I386: .cfi_endproc
|
||||
|
||||
return: ; preds = %entry
|
||||
ret void
|
||||
; LINUX-X64: test1a:
|
||||
; LINUX-X64-NOT: callq __stack_chk_fail
|
||||
; LINUX-X64: .cfi_endproc
|
||||
|
||||
; LINUX-KERNEL-X64: test1a:
|
||||
; LINUX-KERNEL-X64-NOT: callq __stack_chk_fail
|
||||
; LINUX-KERNEL-X64: .cfi_endproc
|
||||
|
||||
; DARWIN-X64: test1a:
|
||||
; DARWIN-X64-NOT: callq ___stack_chk_fail
|
||||
; DARWIN-X64: .cfi_endproc
|
||||
%a.addr = alloca i8*, align 8
|
||||
%buf = alloca [16 x i8], align 16
|
||||
store i8* %a, i8** %a.addr, align 8
|
||||
%arraydecay = getelementptr inbounds [16 x i8]* %buf, i32 0, i32 0
|
||||
%0 = load i8** %a.addr, align 8
|
||||
%call = call i8* @strcpy(i8* %arraydecay, i8* %0)
|
||||
%arraydecay1 = getelementptr inbounds [16 x i8]* %buf, i32 0, i32 0
|
||||
%call2 = call i32 (i8*, ...)* @printf(i8* getelementptr inbounds ([4 x i8]* @.str, i32 0, i32 0), i8* %arraydecay1)
|
||||
ret void
|
||||
}
|
||||
|
||||
declare i8* @strcpy(i8*, i8*) nounwind
|
||||
; test1b: array of [16 x i8]
|
||||
; ssp attribute
|
||||
; Requires protector.
|
||||
define void @test1b(i8* %a) nounwind uwtable ssp {
|
||||
entry:
|
||||
; LINUX-I386: test1b:
|
||||
; LINUX-I386: mov{{l|q}} %gs:
|
||||
; LINUX-I386: calll __stack_chk_fail
|
||||
|
||||
declare i32 @printf(i8*, ...) nounwind
|
||||
; LINUX-X64: test1b:
|
||||
; LINUX-X64: mov{{l|q}} %fs:
|
||||
; LINUX-X64: callq __stack_chk_fail
|
||||
|
||||
; LINUX-KERNEL-X64: test1b:
|
||||
; LINUX-KERNEL-X64: mov{{l|q}} %gs:
|
||||
; LINUX-KERNEL-X64: callq __stack_chk_fail
|
||||
|
||||
; DARWIN-X64: test1b:
|
||||
; DARWIN-X64: mov{{l|q}} ___stack_chk_guard
|
||||
; DARWIN-X64: callq ___stack_chk_fail
|
||||
%a.addr = alloca i8*, align 8
|
||||
%buf = alloca [16 x i8], align 16
|
||||
store i8* %a, i8** %a.addr, align 8
|
||||
%arraydecay = getelementptr inbounds [16 x i8]* %buf, i32 0, i32 0
|
||||
%0 = load i8** %a.addr, align 8
|
||||
%call = call i8* @strcpy(i8* %arraydecay, i8* %0)
|
||||
%arraydecay1 = getelementptr inbounds [16 x i8]* %buf, i32 0, i32 0
|
||||
%call2 = call i32 (i8*, ...)* @printf(i8* getelementptr inbounds ([4 x i8]* @.str, i32 0, i32 0), i8* %arraydecay1)
|
||||
ret void
|
||||
}
|
||||
|
||||
; test1c: array of [16 x i8]
|
||||
; sspstrong attribute
|
||||
; Requires protector.
|
||||
define void @test1c(i8* %a) nounwind uwtable sspstrong {
|
||||
entry:
|
||||
; LINUX-I386: test1c:
|
||||
; LINUX-I386: mov{{l|q}} %gs:
|
||||
; LINUX-I386: calll __stack_chk_fail
|
||||
|
||||
; LINUX-X64: test1c:
|
||||
; LINUX-X64: mov{{l|q}} %fs:
|
||||
; LINUX-X64: callq __stack_chk_fail
|
||||
|
||||
; LINUX-KERNEL-X64: test1c:
|
||||
; LINUX-KERNEL-X64: mov{{l|q}} %gs:
|
||||
; LINUX-KERNEL-X64: callq __stack_chk_fail
|
||||
|
||||
; DARWIN-X64: test1c:
|
||||
; DARWIN-X64: mov{{l|q}} ___stack_chk_guard
|
||||
; DARWIN-X64: callq ___stack_chk_fail
|
||||
%a.addr = alloca i8*, align 8
|
||||
%buf = alloca [16 x i8], align 16
|
||||
store i8* %a, i8** %a.addr, align 8
|
||||
%arraydecay = getelementptr inbounds [16 x i8]* %buf, i32 0, i32 0
|
||||
%0 = load i8** %a.addr, align 8
|
||||
%call = call i8* @strcpy(i8* %arraydecay, i8* %0)
|
||||
%arraydecay1 = getelementptr inbounds [16 x i8]* %buf, i32 0, i32 0
|
||||
%call2 = call i32 (i8*, ...)* @printf(i8* getelementptr inbounds ([4 x i8]* @.str, i32 0, i32 0), i8* %arraydecay1)
|
||||
ret void
|
||||
}
|
||||
|
||||
; test1d: array of [16 x i8]
|
||||
; sspreq attribute
|
||||
; Requires protector.
|
||||
define void @test1d(i8* %a) nounwind uwtable sspreq {
|
||||
entry:
|
||||
; LINUX-I386: test1d:
|
||||
; LINUX-I386: mov{{l|q}} %gs:
|
||||
; LINUX-I386: calll __stack_chk_fail
|
||||
|
||||
; LINUX-X64: test1d:
|
||||
; LINUX-X64: mov{{l|q}} %fs:
|
||||
; LINUX-X64: callq __stack_chk_fail
|
||||
|
||||
; LINUX-KERNEL-X64: test1d:
|
||||
; LINUX-KERNEL-X64: mov{{l|q}} %gs:
|
||||
; LINUX-KERNEL-X64: callq __stack_chk_fail
|
||||
|
||||
; DARWIN-X64: test1d:
|
||||
; DARWIN-X64: mov{{l|q}} ___stack_chk_guard
|
||||
; DARWIN-X64: callq ___stack_chk_fail
|
||||
%a.addr = alloca i8*, align 8
|
||||
%buf = alloca [16 x i8], align 16
|
||||
store i8* %a, i8** %a.addr, align 8
|
||||
%arraydecay = getelementptr inbounds [16 x i8]* %buf, i32 0, i32 0
|
||||
%0 = load i8** %a.addr, align 8
|
||||
%call = call i8* @strcpy(i8* %arraydecay, i8* %0)
|
||||
%arraydecay1 = getelementptr inbounds [16 x i8]* %buf, i32 0, i32 0
|
||||
%call2 = call i32 (i8*, ...)* @printf(i8* getelementptr inbounds ([4 x i8]* @.str, i32 0, i32 0), i8* %arraydecay1)
|
||||
ret void
|
||||
}
|
||||
|
||||
; test2a: struct { [16 x i8] }
|
||||
; no ssp attribute
|
||||
; Requires no protector.
|
||||
define void @test2a(i8* %a) nounwind uwtable {
|
||||
entry:
|
||||
; LINUX-I386: test2a:
|
||||
; LINUX-I386-NOT: calll __stack_chk_fail
|
||||
; LINUX-I386: .cfi_endproc
|
||||
|
||||
; LINUX-X64: test2a:
|
||||
; LINUX-X64-NOT: callq __stack_chk_fail
|
||||
; LINUX-X64: .cfi_endproc
|
||||
|
||||
; LINUX-KERNEL-X64: test2a:
|
||||
; LINUX-KERNEL-X64-NOT: callq __stack_chk_fail
|
||||
; LINUX-KERNEL-X64: .cfi_endproc
|
||||
|
||||
; DARWIN-X64: test2a:
|
||||
; DARWIN-X64-NOT: callq ___stack_chk_fail
|
||||
; DARWIN-X64: .cfi_endproc
|
||||
%a.addr = alloca i8*, align 8
|
||||
%b = alloca %struct.foo, align 1
|
||||
store i8* %a, i8** %a.addr, align 8
|
||||
%buf = getelementptr inbounds %struct.foo* %b, i32 0, i32 0
|
||||
%arraydecay = getelementptr inbounds [16 x i8]* %buf, i32 0, i32 0
|
||||
%0 = load i8** %a.addr, align 8
|
||||
%call = call i8* @strcpy(i8* %arraydecay, i8* %0)
|
||||
%buf1 = getelementptr inbounds %struct.foo* %b, i32 0, i32 0
|
||||
%arraydecay2 = getelementptr inbounds [16 x i8]* %buf1, i32 0, i32 0
|
||||
%call3 = call i32 (i8*, ...)* @printf(i8* getelementptr inbounds ([4 x i8]* @.str, i32 0, i32 0), i8* %arraydecay2)
|
||||
ret void
|
||||
}
|
||||
|
||||
; test2b: struct { [16 x i8] }
|
||||
; ssp attribute
|
||||
; Requires protector.
|
||||
define void @test2b(i8* %a) nounwind uwtable ssp {
|
||||
entry:
|
||||
; LINUX-I386: test2b:
|
||||
; LINUX-I386: mov{{l|q}} %gs:
|
||||
; LINUX-I386: calll __stack_chk_fail
|
||||
|
||||
; LINUX-X64: test2b:
|
||||
; LINUX-X64: mov{{l|q}} %fs:
|
||||
; LINUX-X64: callq __stack_chk_fail
|
||||
|
||||
; LINUX-KERNEL-X64: test2b:
|
||||
; LINUX-KERNEL-X64: mov{{l|q}} %gs:
|
||||
; LINUX-KERNEL-X64: callq __stack_chk_fail
|
||||
|
||||
; DARWIN-X64: test2b:
|
||||
; DARWIN-X64: mov{{l|q}} ___stack_chk_guard
|
||||
; DARWIN-X64: callq ___stack_chk_fail
|
||||
%a.addr = alloca i8*, align 8
|
||||
%b = alloca %struct.foo, align 1
|
||||
store i8* %a, i8** %a.addr, align 8
|
||||
%buf = getelementptr inbounds %struct.foo* %b, i32 0, i32 0
|
||||
%arraydecay = getelementptr inbounds [16 x i8]* %buf, i32 0, i32 0
|
||||
%0 = load i8** %a.addr, align 8
|
||||
%call = call i8* @strcpy(i8* %arraydecay, i8* %0)
|
||||
%buf1 = getelementptr inbounds %struct.foo* %b, i32 0, i32 0
|
||||
%arraydecay2 = getelementptr inbounds [16 x i8]* %buf1, i32 0, i32 0
|
||||
%call3 = call i32 (i8*, ...)* @printf(i8* getelementptr inbounds ([4 x i8]* @.str, i32 0, i32 0), i8* %arraydecay2)
|
||||
ret void
|
||||
}
|
||||
|
||||
; test2c: struct { [16 x i8] }
|
||||
; sspstrong attribute
|
||||
; Requires protector.
|
||||
define void @test2c(i8* %a) nounwind uwtable sspstrong {
|
||||
entry:
|
||||
; LINUX-I386: test2c:
|
||||
; LINUX-I386: mov{{l|q}} %gs:
|
||||
; LINUX-I386: calll __stack_chk_fail
|
||||
|
||||
; LINUX-X64: test2c:
|
||||
; LINUX-X64: mov{{l|q}} %fs:
|
||||
; LINUX-X64: callq __stack_chk_fail
|
||||
|
||||
; LINUX-KERNEL-X64: test2c:
|
||||
; LINUX-KERNEL-X64: mov{{l|q}} %gs:
|
||||
; LINUX-KERNEL-X64: callq __stack_chk_fail
|
||||
|
||||
; DARWIN-X64: test2c:
|
||||
; DARWIN-X64: mov{{l|q}} ___stack_chk_guard
|
||||
; DARWIN-X64: callq ___stack_chk_fail
|
||||
%a.addr = alloca i8*, align 8
|
||||
%b = alloca %struct.foo, align 1
|
||||
store i8* %a, i8** %a.addr, align 8
|
||||
%buf = getelementptr inbounds %struct.foo* %b, i32 0, i32 0
|
||||
%arraydecay = getelementptr inbounds [16 x i8]* %buf, i32 0, i32 0
|
||||
%0 = load i8** %a.addr, align 8
|
||||
%call = call i8* @strcpy(i8* %arraydecay, i8* %0)
|
||||
%buf1 = getelementptr inbounds %struct.foo* %b, i32 0, i32 0
|
||||
%arraydecay2 = getelementptr inbounds [16 x i8]* %buf1, i32 0, i32 0
|
||||
%call3 = call i32 (i8*, ...)* @printf(i8* getelementptr inbounds ([4 x i8]* @.str, i32 0, i32 0), i8* %arraydecay2)
|
||||
ret void
|
||||
}
|
||||
|
||||
; test2d: struct { [16 x i8] }
|
||||
; sspreq attribute
|
||||
; Requires protector.
|
||||
define void @test2d(i8* %a) nounwind uwtable sspreq {
|
||||
entry:
|
||||
; LINUX-I386: test2d:
|
||||
; LINUX-I386: mov{{l|q}} %gs:
|
||||
; LINUX-I386: calll __stack_chk_fail
|
||||
|
||||
; LINUX-X64: test2d:
|
||||
; LINUX-X64: mov{{l|q}} %fs:
|
||||
; LINUX-X64: callq __stack_chk_fail
|
||||
|
||||
; LINUX-KERNEL-X64: test2d:
|
||||
; LINUX-KERNEL-X64: mov{{l|q}} %gs:
|
||||
; LINUX-KERNEL-X64: callq __stack_chk_fail
|
||||
|
||||
; DARWIN-X64: test2d:
|
||||
; DARWIN-X64: mov{{l|q}} ___stack_chk_guard
|
||||
; DARWIN-X64: callq ___stack_chk_fail
|
||||
%a.addr = alloca i8*, align 8
|
||||
%b = alloca %struct.foo, align 1
|
||||
store i8* %a, i8** %a.addr, align 8
|
||||
%buf = getelementptr inbounds %struct.foo* %b, i32 0, i32 0
|
||||
%arraydecay = getelementptr inbounds [16 x i8]* %buf, i32 0, i32 0
|
||||
%0 = load i8** %a.addr, align 8
|
||||
%call = call i8* @strcpy(i8* %arraydecay, i8* %0)
|
||||
%buf1 = getelementptr inbounds %struct.foo* %b, i32 0, i32 0
|
||||
%arraydecay2 = getelementptr inbounds [16 x i8]* %buf1, i32 0, i32 0
|
||||
%call3 = call i32 (i8*, ...)* @printf(i8* getelementptr inbounds ([4 x i8]* @.str, i32 0, i32 0), i8* %arraydecay2)
|
||||
ret void
|
||||
}
|
||||
|
||||
; test3a: array of [4 x i8]
|
||||
; no ssp attribute
|
||||
; Requires no protector.
|
||||
define void @test3a(i8* %a) nounwind uwtable {
|
||||
entry:
|
||||
; LINUX-I386: test3a:
|
||||
; LINUX-I386-NOT: calll __stack_chk_fail
|
||||
; LINUX-I386: .cfi_endproc
|
||||
|
||||
; LINUX-X64: test3a:
|
||||
; LINUX-X64-NOT: callq __stack_chk_fail
|
||||
; LINUX-X64: .cfi_endproc
|
||||
|
||||
; LINUX-KERNEL-X64: test3a:
|
||||
; LINUX-KERNEL-X64-NOT: callq __stack_chk_fail
|
||||
; LINUX-KERNEL-X64: .cfi_endproc
|
||||
|
||||
; DARWIN-X64: test3a:
|
||||
; DARWIN-X64-NOT: callq ___stack_chk_fail
|
||||
; DARWIN-X64: .cfi_endproc
|
||||
%a.addr = alloca i8*, align 8
|
||||
%buf = alloca [4 x i8], align 1
|
||||
store i8* %a, i8** %a.addr, align 8
|
||||
%arraydecay = getelementptr inbounds [4 x i8]* %buf, i32 0, i32 0
|
||||
%0 = load i8** %a.addr, align 8
|
||||
%call = call i8* @strcpy(i8* %arraydecay, i8* %0)
|
||||
%arraydecay1 = getelementptr inbounds [4 x i8]* %buf, i32 0, i32 0
|
||||
%call2 = call i32 (i8*, ...)* @printf(i8* getelementptr inbounds ([4 x i8]* @.str, i32 0, i32 0), i8* %arraydecay1)
|
||||
ret void
|
||||
}
|
||||
|
||||
; test3b: array [4 x i8]
|
||||
; ssp attribute
|
||||
; Requires no protector.
|
||||
define void @test3b(i8* %a) nounwind uwtable ssp {
|
||||
entry:
|
||||
; LINUX-I386: test3b:
|
||||
; LINUX-I386-NOT: calll __stack_chk_fail
|
||||
; LINUX-I386: .cfi_endproc
|
||||
|
||||
; LINUX-X64: test3b:
|
||||
; LINUX-X64-NOT: callq __stack_chk_fail
|
||||
; LINUX-X64: .cfi_endproc
|
||||
|
||||
; LINUX-KERNEL-X64: test3b:
|
||||
; LINUX-KERNEL-X64-NOT: callq __stack_chk_fail
|
||||
; LINUX-KERNEL-X64: .cfi_endproc
|
||||
|
||||
; DARWIN-X64: test3b:
|
||||
; DARWIN-X64-NOT: callq ___stack_chk_fail
|
||||
; DARWIN-X64: .cfi_endproc
|
||||
%a.addr = alloca i8*, align 8
|
||||
%buf = alloca [4 x i8], align 1
|
||||
store i8* %a, i8** %a.addr, align 8
|
||||
%arraydecay = getelementptr inbounds [4 x i8]* %buf, i32 0, i32 0
|
||||
%0 = load i8** %a.addr, align 8
|
||||
%call = call i8* @strcpy(i8* %arraydecay, i8* %0)
|
||||
%arraydecay1 = getelementptr inbounds [4 x i8]* %buf, i32 0, i32 0
|
||||
%call2 = call i32 (i8*, ...)* @printf(i8* getelementptr inbounds ([4 x i8]* @.str, i32 0, i32 0), i8* %arraydecay1)
|
||||
ret void
|
||||
}
|
||||
|
||||
; test3c: array of [4 x i8]
|
||||
; sspstrong attribute
|
||||
; Requires protector.
|
||||
define void @test3c(i8* %a) nounwind uwtable sspstrong {
|
||||
entry:
|
||||
; LINUX-I386: test3c:
|
||||
; LINUX-I386: mov{{l|q}} %gs:
|
||||
; LINUX-I386: calll __stack_chk_fail
|
||||
|
||||
; LINUX-X64: test3c:
|
||||
; LINUX-X64: mov{{l|q}} %fs:
|
||||
; LINUX-X64: callq __stack_chk_fail
|
||||
|
||||
; LINUX-KERNEL-X64: test3c:
|
||||
; LINUX-KERNEL-X64: mov{{l|q}} %gs:
|
||||
; LINUX-KERNEL-X64: callq __stack_chk_fail
|
||||
|
||||
; DARWIN-X64: test3c:
|
||||
; DARWIN-X64: mov{{l|q}} ___stack_chk_guard
|
||||
; DARWIN-X64: callq ___stack_chk_fail
|
||||
%a.addr = alloca i8*, align 8
|
||||
%buf = alloca [4 x i8], align 1
|
||||
store i8* %a, i8** %a.addr, align 8
|
||||
%arraydecay = getelementptr inbounds [4 x i8]* %buf, i32 0, i32 0
|
||||
%0 = load i8** %a.addr, align 8
|
||||
%call = call i8* @strcpy(i8* %arraydecay, i8* %0)
|
||||
%arraydecay1 = getelementptr inbounds [4 x i8]* %buf, i32 0, i32 0
|
||||
%call2 = call i32 (i8*, ...)* @printf(i8* getelementptr inbounds ([4 x i8]* @.str, i32 0, i32 0), i8* %arraydecay1)
|
||||
ret void
|
||||
}
|
||||
|
||||
; test3d: array of [4 x i8]
|
||||
; sspreq attribute
|
||||
; Requires protector.
|
||||
define void @test3d(i8* %a) nounwind uwtable sspreq {
|
||||
entry:
|
||||
; LINUX-I386: test3d:
|
||||
; LINUX-I386: mov{{l|q}} %gs:
|
||||
; LINUX-I386: calll __stack_chk_fail
|
||||
|
||||
; LINUX-X64: test3d:
|
||||
; LINUX-X64: mov{{l|q}} %fs:
|
||||
; LINUX-X64: callq __stack_chk_fail
|
||||
|
||||
; LINUX-KERNEL-X64: test3d:
|
||||
; LINUX-KERNEL-X64: mov{{l|q}} %gs:
|
||||
; LINUX-KERNEL-X64: callq __stack_chk_fail
|
||||
|
||||
; DARWIN-X64: test3d:
|
||||
; DARWIN-X64: mov{{l|q}} ___stack_chk_guard
|
||||
; DARWIN-X64: callq ___stack_chk_fail
|
||||
%a.addr = alloca i8*, align 8
|
||||
%buf = alloca [4 x i8], align 1
|
||||
store i8* %a, i8** %a.addr, align 8
|
||||
%arraydecay = getelementptr inbounds [4 x i8]* %buf, i32 0, i32 0
|
||||
%0 = load i8** %a.addr, align 8
|
||||
%call = call i8* @strcpy(i8* %arraydecay, i8* %0)
|
||||
%arraydecay1 = getelementptr inbounds [4 x i8]* %buf, i32 0, i32 0
|
||||
%call2 = call i32 (i8*, ...)* @printf(i8* getelementptr inbounds ([4 x i8]* @.str, i32 0, i32 0), i8* %arraydecay1)
|
||||
ret void
|
||||
}
|
||||
|
||||
; test4a: struct { [4 x i8] }
|
||||
; no ssp attribute
|
||||
; Requires no protector.
|
||||
define void @test4a(i8* %a) nounwind uwtable {
|
||||
entry:
|
||||
; LINUX-I386: test4a:
|
||||
; LINUX-I386-NOT: calll __stack_chk_fail
|
||||
; LINUX-I386: .cfi_endproc
|
||||
|
||||
; LINUX-X64: test4a:
|
||||
; LINUX-X64-NOT: callq __stack_chk_fail
|
||||
; LINUX-X64: .cfi_endproc
|
||||
|
||||
; LINUX-KERNEL-X64: test4a:
|
||||
; LINUX-KERNEL-X64-NOT: callq __stack_chk_fail
|
||||
; LINUX-KERNEL-X64: .cfi_endproc
|
||||
|
||||
; DARWIN-X64: test4a:
|
||||
; DARWIN-X64-NOT: callq ___stack_chk_fail
|
||||
; DARWIN-X64: .cfi_endproc
|
||||
%a.addr = alloca i8*, align 8
|
||||
%b = alloca %struct.foo.0, align 1
|
||||
store i8* %a, i8** %a.addr, align 8
|
||||
%buf = getelementptr inbounds %struct.foo.0* %b, i32 0, i32 0
|
||||
%arraydecay = getelementptr inbounds [4 x i8]* %buf, i32 0, i32 0
|
||||
%0 = load i8** %a.addr, align 8
|
||||
%call = call i8* @strcpy(i8* %arraydecay, i8* %0)
|
||||
%buf1 = getelementptr inbounds %struct.foo.0* %b, i32 0, i32 0
|
||||
%arraydecay2 = getelementptr inbounds [4 x i8]* %buf1, i32 0, i32 0
|
||||
%call3 = call i32 (i8*, ...)* @printf(i8* getelementptr inbounds ([4 x i8]* @.str, i32 0, i32 0), i8* %arraydecay2)
|
||||
ret void
|
||||
}
|
||||
|
||||
; test4b: struct { [4 x i8] }
|
||||
; ssp attribute
|
||||
; Requires no protector.
|
||||
define void @test4b(i8* %a) nounwind uwtable ssp {
|
||||
entry:
|
||||
; LINUX-I386: test4b:
|
||||
; LINUX-I386-NOT: calll __stack_chk_fail
|
||||
; LINUX-I386: .cfi_endproc
|
||||
|
||||
; LINUX-X64: test4b:
|
||||
; LINUX-X64-NOT: callq __stack_chk_fail
|
||||
; LINUX-X64: .cfi_endproc
|
||||
|
||||
; LINUX-KERNEL-X64: test4b:
|
||||
; LINUX-KERNEL-X64-NOT: callq __stack_chk_fail
|
||||
; LINUX-KERNEL-X64: .cfi_endproc
|
||||
|
||||
; DARWIN-X64: test4b:
|
||||
; DARWIN-X64-NOT: callq ___stack_chk_fail
|
||||
; DARWIN-X64: .cfi_endproc
|
||||
%a.addr = alloca i8*, align 8
|
||||
%b = alloca %struct.foo.0, align 1
|
||||
store i8* %a, i8** %a.addr, align 8
|
||||
%buf = getelementptr inbounds %struct.foo.0* %b, i32 0, i32 0
|
||||
%arraydecay = getelementptr inbounds [4 x i8]* %buf, i32 0, i32 0
|
||||
%0 = load i8** %a.addr, align 8
|
||||
%call = call i8* @strcpy(i8* %arraydecay, i8* %0)
|
||||
%buf1 = getelementptr inbounds %struct.foo.0* %b, i32 0, i32 0
|
||||
%arraydecay2 = getelementptr inbounds [4 x i8]* %buf1, i32 0, i32 0
|
||||
%call3 = call i32 (i8*, ...)* @printf(i8* getelementptr inbounds ([4 x i8]* @.str, i32 0, i32 0), i8* %arraydecay2)
|
||||
ret void
|
||||
}
|
||||
|
||||
; test4c: struct { [4 x i8] }
|
||||
; sspstrong attribute
|
||||
; Requires protector.
|
||||
define void @test4c(i8* %a) nounwind uwtable sspstrong {
|
||||
entry:
|
||||
; LINUX-I386: test4c:
|
||||
; LINUX-I386: mov{{l|q}} %gs:
|
||||
; LINUX-I386: calll __stack_chk_fail
|
||||
|
||||
; LINUX-X64: test4c:
|
||||
; LINUX-X64: mov{{l|q}} %fs:
|
||||
; LINUX-X64: callq __stack_chk_fail
|
||||
|
||||
; LINUX-KERNEL-X64: test4c:
|
||||
; LINUX-KERNEL-X64: mov{{l|q}} %gs:
|
||||
; LINUX-KERNEL-X64: callq __stack_chk_fail
|
||||
|
||||
; DARWIN-X64: test4c:
|
||||
; DARWIN-X64: mov{{l|q}} ___stack_chk_guard
|
||||
; DARWIN-X64: callq ___stack_chk_fail
|
||||
%a.addr = alloca i8*, align 8
|
||||
%b = alloca %struct.foo.0, align 1
|
||||
store i8* %a, i8** %a.addr, align 8
|
||||
%buf = getelementptr inbounds %struct.foo.0* %b, i32 0, i32 0
|
||||
%arraydecay = getelementptr inbounds [4 x i8]* %buf, i32 0, i32 0
|
||||
%0 = load i8** %a.addr, align 8
|
||||
%call = call i8* @strcpy(i8* %arraydecay, i8* %0)
|
||||
%buf1 = getelementptr inbounds %struct.foo.0* %b, i32 0, i32 0
|
||||
%arraydecay2 = getelementptr inbounds [4 x i8]* %buf1, i32 0, i32 0
|
||||
%call3 = call i32 (i8*, ...)* @printf(i8* getelementptr inbounds ([4 x i8]* @.str, i32 0, i32 0), i8* %arraydecay2)
|
||||
ret void
|
||||
}
|
||||
|
||||
; test4d: struct { [4 x i8] }
|
||||
; sspreq attribute
|
||||
; Requires protector.
|
||||
define void @test4d(i8* %a) nounwind uwtable sspreq {
|
||||
entry:
|
||||
; LINUX-I386: test4d:
|
||||
; LINUX-I386: mov{{l|q}} %gs:
|
||||
; LINUX-I386: calll __stack_chk_fail
|
||||
|
||||
; LINUX-X64: test4d:
|
||||
; LINUX-X64: mov{{l|q}} %fs:
|
||||
; LINUX-X64: callq __stack_chk_fail
|
||||
|
||||
; LINUX-KERNEL-X64: test4d:
|
||||
; LINUX-KERNEL-X64: mov{{l|q}} %gs:
|
||||
; LINUX-KERNEL-X64: callq __stack_chk_fail
|
||||
|
||||
; DARWIN-X64: test4d:
|
||||
; DARWIN-X64: mov{{l|q}} ___stack_chk_guard
|
||||
; DARWIN-X64: callq ___stack_chk_fail
|
||||
%a.addr = alloca i8*, align 8
|
||||
%b = alloca %struct.foo.0, align 1
|
||||
store i8* %a, i8** %a.addr, align 8
|
||||
%buf = getelementptr inbounds %struct.foo.0* %b, i32 0, i32 0
|
||||
%arraydecay = getelementptr inbounds [4 x i8]* %buf, i32 0, i32 0
|
||||
%0 = load i8** %a.addr, align 8
|
||||
%call = call i8* @strcpy(i8* %arraydecay, i8* %0)
|
||||
%buf1 = getelementptr inbounds %struct.foo.0* %b, i32 0, i32 0
|
||||
%arraydecay2 = getelementptr inbounds [4 x i8]* %buf1, i32 0, i32 0
|
||||
%call3 = call i32 (i8*, ...)* @printf(i8* getelementptr inbounds ([4 x i8]* @.str, i32 0, i32 0), i8* %arraydecay2)
|
||||
ret void
|
||||
}
|
||||
|
||||
; test5a: no arrays / no nested arrays
|
||||
; no ssp attribute
|
||||
; Requires no protector.
|
||||
define void @test5a(i8* %a) nounwind uwtable {
|
||||
entry:
|
||||
; LINUX-I386: test5a:
|
||||
; LINUX-I386-NOT: calll __stack_chk_fail
|
||||
; LINUX-I386: .cfi_endproc
|
||||
|
||||
; LINUX-X64: test5a:
|
||||
; LINUX-X64-NOT: callq __stack_chk_fail
|
||||
; LINUX-X64: .cfi_endproc
|
||||
|
||||
; LINUX-KERNEL-X64: test5a:
|
||||
; LINUX-KERNEL-X64-NOT: callq __stack_chk_fail
|
||||
; LINUX-KERNEL-X64: .cfi_endproc
|
||||
|
||||
; DARWIN-X64: test5a:
|
||||
; DARWIN-X64-NOT: callq ___stack_chk_fail
|
||||
; DARWIN-X64: .cfi_endproc
|
||||
%a.addr = alloca i8*, align 8
|
||||
store i8* %a, i8** %a.addr, align 8
|
||||
%0 = load i8** %a.addr, align 8
|
||||
%call = call i32 (i8*, ...)* @printf(i8* getelementptr inbounds ([4 x i8]* @.str, i32 0, i32 0), i8* %0)
|
||||
ret void
|
||||
}
|
||||
|
||||
; test5b: no arrays / no nested arrays
|
||||
; ssp attribute
|
||||
; Requires no protector.
|
||||
define void @test5b(i8* %a) nounwind uwtable ssp {
|
||||
entry:
|
||||
; LINUX-I386: test5b:
|
||||
; LINUX-I386-NOT: calll __stack_chk_fail
|
||||
; LINUX-I386: .cfi_endproc
|
||||
|
||||
; LINUX-X64: test5b:
|
||||
; LINUX-X64-NOT: callq __stack_chk_fail
|
||||
; LINUX-X64: .cfi_endproc
|
||||
|
||||
; LINUX-KERNEL-X64: test5b:
|
||||
; LINUX-KERNEL-X64-NOT: callq __stack_chk_fail
|
||||
; LINUX-KERNEL-X64: .cfi_endproc
|
||||
|
||||
; DARWIN-X64: test5b:
|
||||
; DARWIN-X64-NOT: callq ___stack_chk_fail
|
||||
; DARWIN-X64: .cfi_endproc
|
||||
%a.addr = alloca i8*, align 8
|
||||
store i8* %a, i8** %a.addr, align 8
|
||||
%0 = load i8** %a.addr, align 8
|
||||
%call = call i32 (i8*, ...)* @printf(i8* getelementptr inbounds ([4 x i8]* @.str, i32 0, i32 0), i8* %0)
|
||||
ret void
|
||||
}
|
||||
|
||||
; test5c: no arrays / no nested arrays
|
||||
; sspstrong attribute
|
||||
; Requires protector.
|
||||
; FIXME: Once strong heuristic is implemented, this should _not_ require
|
||||
; a protector
|
||||
define void @test5c(i8* %a) nounwind uwtable sspstrong {
|
||||
entry:
|
||||
; LINUX-I386: test5c:
|
||||
; LINUX-I386: mov{{l|q}} %gs:
|
||||
; LINUX-I386: calll __stack_chk_fail
|
||||
|
||||
; LINUX-X64: test5c:
|
||||
; LINUX-X64: mov{{l|q}} %fs:
|
||||
; LINUX-X64: callq __stack_chk_fail
|
||||
|
||||
; LINUX-KERNEL-X64: test5c:
|
||||
; LINUX-KERNEL-X64: mov{{l|q}} %gs:
|
||||
; LINUX-KERNEL-X64: callq __stack_chk_fail
|
||||
|
||||
; DARWIN-X64: test5c:
|
||||
; DARWIN-X64: mov{{l|q}} ___stack_chk_guard
|
||||
; DARWIN-X64: callq ___stack_chk_fail
|
||||
%a.addr = alloca i8*, align 8
|
||||
store i8* %a, i8** %a.addr, align 8
|
||||
%0 = load i8** %a.addr, align 8
|
||||
%call = call i32 (i8*, ...)* @printf(i8* getelementptr inbounds ([4 x i8]* @.str, i32 0, i32 0), i8* %0)
|
||||
ret void
|
||||
}
|
||||
|
||||
; test5d: no arrays / no nested arrays
|
||||
; sspreq attribute
|
||||
; Requires protector.
|
||||
define void @test5d(i8* %a) nounwind uwtable sspreq {
|
||||
entry:
|
||||
; LINUX-I386: test5d:
|
||||
; LINUX-I386: mov{{l|q}} %gs:
|
||||
; LINUX-I386: calll __stack_chk_fail
|
||||
|
||||
; LINUX-X64: test5d:
|
||||
; LINUX-X64: mov{{l|q}} %fs:
|
||||
; LINUX-X64: callq __stack_chk_fail
|
||||
|
||||
; LINUX-KERNEL-X64: test5d:
|
||||
; LINUX-KERNEL-X64: mov{{l|q}} %gs:
|
||||
; LINUX-KERNEL-X64: callq __stack_chk_fail
|
||||
|
||||
; DARWIN-X64: test5d:
|
||||
; DARWIN-X64: mov{{l|q}} ___stack_chk_guard
|
||||
; DARWIN-X64: callq ___stack_chk_fail
|
||||
%a.addr = alloca i8*, align 8
|
||||
store i8* %a, i8** %a.addr, align 8
|
||||
%0 = load i8** %a.addr, align 8
|
||||
%call = call i32 (i8*, ...)* @printf(i8* getelementptr inbounds ([4 x i8]* @.str, i32 0, i32 0), i8* %0)
|
||||
ret void
|
||||
}
|
||||
|
||||
declare i8* @strcpy(i8*, i8*)
|
||||
declare i32 @printf(i8*, ...)
|
||||
|
||||
155
test/Transforms/Inline/inline_ssp.ll
Normal file
155
test/Transforms/Inline/inline_ssp.ll
Normal file
@ -0,0 +1,155 @@
|
||||
; RUN: opt -inline %s -S | FileCheck %s
|
||||
; Ensure SSP attributes are propagated correctly when inlining.
|
||||
|
||||
@.str = private unnamed_addr constant [11 x i8] c"fun_nossp\0A\00", align 1
|
||||
@.str1 = private unnamed_addr constant [9 x i8] c"fun_ssp\0A\00", align 1
|
||||
@.str2 = private unnamed_addr constant [15 x i8] c"fun_sspstrong\0A\00", align 1
|
||||
@.str3 = private unnamed_addr constant [12 x i8] c"fun_sspreq\0A\00", align 1
|
||||
|
||||
; These first four functions (@fun_sspreq, @fun_sspstrong, @fun_ssp, @fun_nossp)
|
||||
; are used by the remaining functions to ensure that the SSP attributes are
|
||||
; propagated correctly. The caller should have its SSP attribute set as:
|
||||
; strictest(caller-ssp-attr, callee-ssp-attr), where strictness is ordered as:
|
||||
; sspreq > sspstrong > ssp > [no ssp]
|
||||
define internal void @fun_sspreq() nounwind uwtable sspreq {
|
||||
entry:
|
||||
%call = call i32 (i8*, ...)* @printf(i8* getelementptr inbounds ([12 x i8]* @.str3, i32 0, i32 0))
|
||||
ret void
|
||||
}
|
||||
|
||||
define internal void @fun_sspstrong() nounwind uwtable sspstrong {
|
||||
entry:
|
||||
%call = call i32 (i8*, ...)* @printf(i8* getelementptr inbounds ([15 x i8]* @.str2, i32 0, i32 0))
|
||||
ret void
|
||||
}
|
||||
|
||||
define internal void @fun_ssp() nounwind uwtable ssp {
|
||||
entry:
|
||||
%call = call i32 (i8*, ...)* @printf(i8* getelementptr inbounds ([9 x i8]* @.str1, i32 0, i32 0))
|
||||
ret void
|
||||
}
|
||||
|
||||
define internal void @fun_nossp() nounwind uwtable {
|
||||
entry:
|
||||
%call = call i32 (i8*, ...)* @printf(i8* getelementptr inbounds ([11 x i8]* @.str, i32 0, i32 0))
|
||||
ret void
|
||||
}
|
||||
|
||||
; Tests start below
|
||||
|
||||
define void @inline_req_req() nounwind uwtable sspreq {
|
||||
entry:
|
||||
; CHECK: @inline_req_req() nounwind uwtable sspreq
|
||||
call void @fun_sspreq()
|
||||
ret void
|
||||
}
|
||||
|
||||
define void @inline_req_strong() nounwind uwtable sspstrong {
|
||||
entry:
|
||||
; CHECK: @inline_req_strong() nounwind uwtable sspreq
|
||||
call void @fun_sspreq()
|
||||
ret void
|
||||
}
|
||||
|
||||
define void @inline_req_ssp() nounwind uwtable ssp {
|
||||
entry:
|
||||
; CHECK: @inline_req_ssp() nounwind uwtable sspreq
|
||||
call void @fun_sspreq()
|
||||
ret void
|
||||
}
|
||||
|
||||
define void @inline_req_nossp() nounwind uwtable {
|
||||
entry:
|
||||
; CHECK: @inline_req_nossp() nounwind uwtable sspreq
|
||||
call void @fun_sspreq()
|
||||
ret void
|
||||
}
|
||||
|
||||
define void @inline_strong_req() nounwind uwtable sspreq {
|
||||
entry:
|
||||
; CHECK: @inline_strong_req() nounwind uwtable sspreq
|
||||
call void @fun_sspstrong()
|
||||
ret void
|
||||
}
|
||||
|
||||
|
||||
define void @inline_strong_strong() nounwind uwtable sspstrong {
|
||||
entry:
|
||||
; CHECK: @inline_strong_strong() nounwind uwtable sspstrong
|
||||
call void @fun_sspstrong()
|
||||
ret void
|
||||
}
|
||||
|
||||
define void @inline_strong_ssp() nounwind uwtable ssp {
|
||||
entry:
|
||||
; CHECK: @inline_strong_ssp() nounwind uwtable sspstrong
|
||||
call void @fun_sspstrong()
|
||||
ret void
|
||||
}
|
||||
|
||||
define void @inline_strong_nossp() nounwind uwtable {
|
||||
entry:
|
||||
; CHECK: @inline_strong_nossp() nounwind uwtable sspstrong
|
||||
call void @fun_sspstrong()
|
||||
ret void
|
||||
}
|
||||
|
||||
define void @inline_ssp_req() nounwind uwtable sspreq {
|
||||
entry:
|
||||
; CHECK: @inline_ssp_req() nounwind uwtable sspreq
|
||||
call void @fun_ssp()
|
||||
ret void
|
||||
}
|
||||
|
||||
|
||||
define void @inline_ssp_strong() nounwind uwtable sspstrong {
|
||||
entry:
|
||||
; CHECK: @inline_ssp_strong() nounwind uwtable sspstrong
|
||||
call void @fun_ssp()
|
||||
ret void
|
||||
}
|
||||
|
||||
define void @inline_ssp_ssp() nounwind uwtable ssp {
|
||||
entry:
|
||||
; CHECK: @inline_ssp_ssp() nounwind uwtable ssp
|
||||
call void @fun_ssp()
|
||||
ret void
|
||||
}
|
||||
|
||||
define void @inline_ssp_nossp() nounwind uwtable {
|
||||
entry:
|
||||
; CHECK: @inline_ssp_nossp() nounwind uwtable ssp
|
||||
call void @fun_ssp()
|
||||
ret void
|
||||
}
|
||||
|
||||
define void @inline_nossp_req() nounwind uwtable sspreq {
|
||||
entry:
|
||||
; CHECK: @inline_nossp_req() nounwind uwtable sspreq
|
||||
call void @fun_nossp()
|
||||
ret void
|
||||
}
|
||||
|
||||
|
||||
define void @inline_nossp_strong() nounwind uwtable sspstrong {
|
||||
entry:
|
||||
; CHECK: @inline_nossp_strong() nounwind uwtable sspstrong
|
||||
call void @fun_nossp()
|
||||
ret void
|
||||
}
|
||||
|
||||
define void @inline_nossp_ssp() nounwind uwtable ssp {
|
||||
entry:
|
||||
; CHECK: @inline_nossp_ssp() nounwind uwtable ssp
|
||||
call void @fun_nossp()
|
||||
ret void
|
||||
}
|
||||
|
||||
define void @inline_nossp_nossp() nounwind uwtable {
|
||||
entry:
|
||||
; CHECK: @inline_nossp_nossp() nounwind uwtable
|
||||
call void @fun_nossp()
|
||||
ret void
|
||||
}
|
||||
|
||||
declare i32 @printf(i8*, ...)
|
||||
@ -90,6 +90,7 @@
|
||||
<item> readonly </item>
|
||||
<item> ssp </item>
|
||||
<item> sspreq </item>
|
||||
<item> sspstrong </item>
|
||||
</list>
|
||||
<list name="types">
|
||||
<item> float </item>
|
||||
|
||||
@ -51,10 +51,10 @@ syn keyword llvmKeyword noimplicitfloat noinline nonlazybind noredzone noreturn
|
||||
syn keyword llvmKeyword nounwind optsize personality private protected
|
||||
syn keyword llvmKeyword ptx_device ptx_kernel readnone readonly release
|
||||
syn keyword llvmKeyword returns_twice section seq_cst sideeffect signext
|
||||
syn keyword llvmKeyword singlethread spir_func spir_kernel sret ssp sspreq tail
|
||||
syn keyword llvmKeyword target thread_local to triple unnamed_addr unordered
|
||||
syn keyword llvmKeyword uwtable volatile weak weak_odr x86_fastcallcc
|
||||
syn keyword llvmKeyword x86_stdcallcc x86_thiscallcc zeroext
|
||||
syn keyword llvmKeyword singlethread spir_func spir_kernel sret ssp sspreq
|
||||
syn keyword llvmKeyword sspstrong tail target thread_local to triple
|
||||
syn keyword llvmKeyword unnamed_addr unordered uwtable volatile weak weak_odr
|
||||
syn keyword llvmKeyword x86_fastcallcc x86_stdcallcc x86_thiscallcc zeroext
|
||||
|
||||
" Obsolete keywords.
|
||||
syn keyword llvmError getresult begin end
|
||||
|
||||
Loading…
Reference in New Issue
Block a user