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([98.142.47.158]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-1fb1c79682csm29416075ad.8.2024.07.04.05.27.20 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 04 Jul 2024 05:27:20 -0700 (PDT) From: Steve Sakoman To: openembedded-core@lists.openembedded.org Subject: [OE-core][scarthgap 01/21] llvm: Fix CVE-2024-0151 Date: Thu, 4 Jul 2024 05:26:53 -0700 Message-Id: X-Mailer: git-send-email 2.34.1 In-Reply-To: References: MIME-Version: 1.0 List-Id: X-Webhook-Received: from li982-79.members.linode.com [45.33.32.79] by aws-us-west-2-korg-lkml-1.web.codeaurora.org with HTTPS for ; Thu, 04 Jul 2024 12:27:25 -0000 X-Groupsio-URL: https://lists.openembedded.org/g/openembedded-core/message/201544 From: Deepthi Hemraj Signed-off-by: Deepthi Hemraj Signed-off-by: Steve Sakoman --- .../llvm/0002-llvm-Fix-CVE-2024-0151.patch | 1086 +++++++++++++++++ meta/recipes-devtools/llvm/llvm_18.1.5.bb | 1 + 2 files changed, 1087 insertions(+) create mode 100644 meta/recipes-devtools/llvm/llvm/0002-llvm-Fix-CVE-2024-0151.patch diff --git a/meta/recipes-devtools/llvm/llvm/0002-llvm-Fix-CVE-2024-0151.patch b/meta/recipes-devtools/llvm/llvm/0002-llvm-Fix-CVE-2024-0151.patch new file mode 100644 index 0000000000..c05685e64d --- /dev/null +++ b/meta/recipes-devtools/llvm/llvm/0002-llvm-Fix-CVE-2024-0151.patch @@ -0,0 +1,1086 @@ +commit 78ff617d3f573fb3a9b2fef180fa0fd43d5584ea +Author: Lucas Duarte Prates +Date: Thu Jun 20 10:22:01 2024 +0100 + + [ARM] CMSE security mitigation on function arguments and returned values (#89944) + + The ABI mandates two things related to function calls: + - Function arguments must be sign- or zero-extended to the register + size by the caller. + - Return values must be sign- or zero-extended to the register size by + the callee. + + As consequence, callees can assume that function arguments have been + extended and so can callers with regards to return values. + + Here lies the problem: Nonsecure code might deliberately ignore this + mandate with the intent of attempting an exploit. It might try to pass + values that lie outside the expected type's value range in order to + trigger undefined behaviour, e.g. out of bounds access. + + With the mitigation implemented, Secure code always performs extension + of values passed by Nonsecure code. + + This addresses the vulnerability described in CVE-2024-0151. + + Patches by Victor Campos. + + --------- + + Co-authored-by: Victor Campos + +Upstream-Status: Backport [https://github.com/llvm/llvm-project/commit/78ff617d3f573fb3a9b2fef180fa0fd43d5584ea] +CVE: CVE-2024-0151 +Signed-off-by: Deepthi Hemraj +--- +diff --git a/llvm/lib/Target/ARM/ARMISelLowering.cpp b/llvm/lib/Target/ARM/ARMISelLowering.cpp +index bfe137b95602..5490c3c9df6c 100644 +--- a/llvm/lib/Target/ARM/ARMISelLowering.cpp ++++ b/llvm/lib/Target/ARM/ARMISelLowering.cpp +@@ -156,6 +156,17 @@ static const MCPhysReg GPRArgRegs[] = { + ARM::R0, ARM::R1, ARM::R2, ARM::R3 + }; + ++static SDValue handleCMSEValue(const SDValue &Value, const ISD::InputArg &Arg, ++ SelectionDAG &DAG, const SDLoc &DL) { ++ assert(Arg.ArgVT.isScalarInteger()); ++ assert(Arg.ArgVT.bitsLT(MVT::i32)); ++ SDValue Trunc = DAG.getNode(ISD::TRUNCATE, DL, Arg.ArgVT, Value); ++ SDValue Ext = ++ DAG.getNode(Arg.Flags.isSExt() ? ISD::SIGN_EXTEND : ISD::ZERO_EXTEND, DL, ++ MVT::i32, Trunc); ++ return Ext; ++} ++ + void ARMTargetLowering::addTypeForNEON(MVT VT, MVT PromotedLdStVT) { + if (VT != PromotedLdStVT) { + setOperationAction(ISD::LOAD, VT, Promote); +@@ -2196,7 +2207,7 @@ SDValue ARMTargetLowering::LowerCallResult( + SDValue Chain, SDValue InGlue, CallingConv::ID CallConv, bool isVarArg, + const SmallVectorImpl &Ins, const SDLoc &dl, + SelectionDAG &DAG, SmallVectorImpl &InVals, bool isThisReturn, +- SDValue ThisVal) const { ++ SDValue ThisVal, bool isCmseNSCall) const { + // Assign locations to each value returned by this call. + SmallVector RVLocs; + CCState CCInfo(CallConv, isVarArg, DAG.getMachineFunction(), RVLocs, +@@ -2274,6 +2285,15 @@ SDValue ARMTargetLowering::LowerCallResult( + (VA.getValVT() == MVT::f16 || VA.getValVT() == MVT::bf16)) + Val = MoveToHPR(dl, DAG, VA.getLocVT(), VA.getValVT(), Val); + ++ // On CMSE Non-secure Calls, call results (returned values) whose bitwidth ++ // is less than 32 bits must be sign- or zero-extended after the call for ++ // security reasons. Although the ABI mandates an extension done by the ++ // callee, the latter cannot be trusted to follow the rules of the ABI. ++ const ISD::InputArg &Arg = Ins[VA.getValNo()]; ++ if (isCmseNSCall && Arg.ArgVT.isScalarInteger() && ++ VA.getLocVT().isScalarInteger() && Arg.ArgVT.bitsLT(MVT::i32)) ++ Val = handleCMSEValue(Val, Arg, DAG, dl); ++ + InVals.push_back(Val); + } + +@@ -2888,7 +2908,7 @@ ARMTargetLowering::LowerCall(TargetLowering::CallLoweringInfo &CLI, + // return. + return LowerCallResult(Chain, InGlue, CallConv, isVarArg, Ins, dl, DAG, + InVals, isThisReturn, +- isThisReturn ? OutVals[0] : SDValue()); ++ isThisReturn ? OutVals[0] : SDValue(), isCmseNSCall); + } + + /// HandleByVal - Every parameter *after* a byval parameter is passed +@@ -4485,8 +4505,6 @@ SDValue ARMTargetLowering::LowerFormalArguments( + *DAG.getContext()); + CCInfo.AnalyzeFormalArguments(Ins, CCAssignFnForCall(CallConv, isVarArg)); + +- SmallVector ArgValues; +- SDValue ArgValue; + Function::const_arg_iterator CurOrigArg = MF.getFunction().arg_begin(); + unsigned CurArgIdx = 0; + +@@ -4541,6 +4559,7 @@ SDValue ARMTargetLowering::LowerFormalArguments( + // Arguments stored in registers. + if (VA.isRegLoc()) { + EVT RegVT = VA.getLocVT(); ++ SDValue ArgValue; + + if (VA.needsCustom() && VA.getLocVT() == MVT::v2f64) { + // f64 and vector types are split up into multiple registers or +@@ -4604,16 +4623,6 @@ SDValue ARMTargetLowering::LowerFormalArguments( + case CCValAssign::BCvt: + ArgValue = DAG.getNode(ISD::BITCAST, dl, VA.getValVT(), ArgValue); + break; +- case CCValAssign::SExt: +- ArgValue = DAG.getNode(ISD::AssertSext, dl, RegVT, ArgValue, +- DAG.getValueType(VA.getValVT())); +- ArgValue = DAG.getNode(ISD::TRUNCATE, dl, VA.getValVT(), ArgValue); +- break; +- case CCValAssign::ZExt: +- ArgValue = DAG.getNode(ISD::AssertZext, dl, RegVT, ArgValue, +- DAG.getValueType(VA.getValVT())); +- ArgValue = DAG.getNode(ISD::TRUNCATE, dl, VA.getValVT(), ArgValue); +- break; + } + + // f16 arguments have their size extended to 4 bytes and passed as if they +@@ -4623,6 +4632,15 @@ SDValue ARMTargetLowering::LowerFormalArguments( + (VA.getValVT() == MVT::f16 || VA.getValVT() == MVT::bf16)) + ArgValue = MoveToHPR(dl, DAG, VA.getLocVT(), VA.getValVT(), ArgValue); + ++ // On CMSE Entry Functions, formal integer arguments whose bitwidth is ++ // less than 32 bits must be sign- or zero-extended in the callee for ++ // security reasons. Although the ABI mandates an extension done by the ++ // caller, the latter cannot be trusted to follow the rules of the ABI. ++ const ISD::InputArg &Arg = Ins[VA.getValNo()]; ++ if (AFI->isCmseNSEntryFunction() && Arg.ArgVT.isScalarInteger() && ++ RegVT.isScalarInteger() && Arg.ArgVT.bitsLT(MVT::i32)) ++ ArgValue = handleCMSEValue(ArgValue, Arg, DAG, dl); ++ + InVals.push_back(ArgValue); + } else { // VA.isRegLoc() + // Only arguments passed on the stack should make it here. +diff --git a/llvm/lib/Target/ARM/ARMISelLowering.h b/llvm/lib/Target/ARM/ARMISelLowering.h +index 62a52bdb03f7..a255e9b6fc36 100644 +--- a/llvm/lib/Target/ARM/ARMISelLowering.h ++++ b/llvm/lib/Target/ARM/ARMISelLowering.h +@@ -891,7 +891,7 @@ class VectorType; + const SmallVectorImpl &Ins, + const SDLoc &dl, SelectionDAG &DAG, + SmallVectorImpl &InVals, bool isThisReturn, +- SDValue ThisVal) const; ++ SDValue ThisVal, bool isCmseNSCall) const; + + bool supportSplitCSR(MachineFunction *MF) const override { + return MF->getFunction().getCallingConv() == CallingConv::CXX_FAST_TLS && +diff --git a/llvm/test/CodeGen/ARM/cmse-harden-call-returned-values.ll b/llvm/test/CodeGen/ARM/cmse-harden-call-returned-values.ll +new file mode 100644 +index 0000000000..58eef443c25e +--- /dev/null ++++ b/llvm/test/CodeGen/ARM/cmse-harden-call-returned-values.ll +@@ -0,0 +1,552 @@ ++; RUN: llc %s -mtriple=thumbv8m.main -o - | FileCheck %s --check-prefixes V8M-COMMON,V8M-LE ++; RUN: llc %s -mtriple=thumbebv8m.main -o - | FileCheck %s --check-prefixes V8M-COMMON,V8M-BE ++; RUN: llc %s -mtriple=thumbv8.1m.main -o - | FileCheck %s --check-prefixes V81M-COMMON,V81M-LE ++; RUN: llc %s -mtriple=thumbebv8.1m.main -o - | FileCheck %s --check-prefixes V81M-COMMON,V81M-BE ++ ++@get_idx = hidden local_unnamed_addr global ptr null, align 4 ++@arr = hidden local_unnamed_addr global [256 x i32] zeroinitializer, align 4 ++ ++define i32 @access_i16() { ++; V8M-COMMON-LABEL: access_i16: ++; V8M-COMMON: @ %bb.0: @ %entry ++; V8M-COMMON-NEXT: push {r7, lr} ++; V8M-COMMON-NEXT: movw r0, :lower16:get_idx ++; V8M-COMMON-NEXT: movt r0, :upper16:get_idx ++; V8M-COMMON-NEXT: ldr r0, [r0] ++; V8M-COMMON-NEXT: push.w {r4, r5, r6, r7, r8, r9, r10, r11} ++; V8M-COMMON-NEXT: bic r0, r0, #1 ++; V8M-COMMON-NEXT: sub sp, #136 ++; V8M-COMMON-NEXT: vlstm sp, {d0 - d15} ++; V8M-COMMON-NEXT: mov r1, r0 ++; V8M-COMMON-NEXT: mov r2, r0 ++; V8M-COMMON-NEXT: mov r3, r0 ++; V8M-COMMON-NEXT: mov r4, r0 ++; V8M-COMMON-NEXT: mov r5, r0 ++; V8M-COMMON-NEXT: mov r6, r0 ++; V8M-COMMON-NEXT: mov r7, r0 ++; V8M-COMMON-NEXT: mov r8, r0 ++; V8M-COMMON-NEXT: mov r9, r0 ++; V8M-COMMON-NEXT: mov r10, r0 ++; V8M-COMMON-NEXT: mov r11, r0 ++; V8M-COMMON-NEXT: mov r12, r0 ++; V8M-COMMON-NEXT: msr apsr_nzcvq, r0 ++; V8M-COMMON-NEXT: blxns r0 ++; V8M-COMMON-NEXT: vlldm sp, {d0 - d15} ++; V8M-COMMON-NEXT: add sp, #136 ++; V8M-COMMON-NEXT: pop.w {r4, r5, r6, r7, r8, r9, r10, r11} ++; V8M-COMMON-NEXT: movw r1, :lower16:arr ++; V8M-COMMON-NEXT: sxth r0, r0 ++; V8M-COMMON-NEXT: movt r1, :upper16:arr ++; V8M-COMMON-NEXT: ldr.w r0, [r1, r0, lsl #2] ++; V8M-COMMON-NEXT: pop {r7, pc} ++; ++; V81M-COMMON-LABEL: access_i16: ++; V81M-COMMON: @ %bb.0: @ %entry ++; V81M-COMMON-NEXT: push {r7, lr} ++; V81M-COMMON-NEXT: movw r0, :lower16:get_idx ++; V81M-COMMON-NEXT: movt r0, :upper16:get_idx ++; V81M-COMMON-NEXT: ldr r0, [r0] ++; V81M-COMMON-NEXT: push.w {r4, r5, r6, r7, r8, r9, r10, r11} ++; V81M-COMMON-NEXT: bic r0, r0, #1 ++; V81M-COMMON-NEXT: sub sp, #136 ++; V81M-COMMON-NEXT: vlstm sp, {d0 - d15} ++; V81M-COMMON-NEXT: clrm {r1, r2, r3, r4, r5, r6, r7, r8, r9, r10, r11, r12, apsr} ++; V81M-COMMON-NEXT: blxns r0 ++; V81M-COMMON-NEXT: vlldm sp, {d0 - d15} ++; V81M-COMMON-NEXT: add sp, #136 ++; V81M-COMMON-NEXT: pop.w {r4, r5, r6, r7, r8, r9, r10, r11} ++; V81M-COMMON-NEXT: movw r1, :lower16:arr ++; V81M-COMMON-NEXT: sxth r0, r0 ++; V81M-COMMON-NEXT: movt r1, :upper16:arr ++; V81M-COMMON-NEXT: ldr.w r0, [r1, r0, lsl #2] ++; V81M-COMMON-NEXT: pop {r7, pc} ++entry: ++ %0 = load ptr, ptr @get_idx, align 4 ++ %call = tail call signext i16 %0() "cmse_nonsecure_call" ++ %idxprom = sext i16 %call to i32 ++ %arrayidx = getelementptr inbounds [256 x i32], ptr @arr, i32 0, i32 %idxprom ++ %1 = load i32, ptr %arrayidx, align 4 ++ ret i32 %1 ++} ++ ++define i32 @access_u16() { ++; V8M-COMMON-LABEL: access_u16: ++; V8M-COMMON: @ %bb.0: @ %entry ++; V8M-COMMON-NEXT: push {r7, lr} ++; V8M-COMMON-NEXT: movw r0, :lower16:get_idx ++; V8M-COMMON-NEXT: movt r0, :upper16:get_idx ++; V8M-COMMON-NEXT: ldr r0, [r0] ++; V8M-COMMON-NEXT: push.w {r4, r5, r6, r7, r8, r9, r10, r11} ++; V8M-COMMON-NEXT: bic r0, r0, #1 ++; V8M-COMMON-NEXT: sub sp, #136 ++; V8M-COMMON-NEXT: vlstm sp, {d0 - d15} ++; V8M-COMMON-NEXT: mov r1, r0 ++; V8M-COMMON-NEXT: mov r2, r0 ++; V8M-COMMON-NEXT: mov r3, r0 ++; V8M-COMMON-NEXT: mov r4, r0 ++; V8M-COMMON-NEXT: mov r5, r0 ++; V8M-COMMON-NEXT: mov r6, r0 ++; V8M-COMMON-NEXT: mov r7, r0 ++; V8M-COMMON-NEXT: mov r8, r0 ++; V8M-COMMON-NEXT: mov r9, r0 ++; V8M-COMMON-NEXT: mov r10, r0 ++; V8M-COMMON-NEXT: mov r11, r0 ++; V8M-COMMON-NEXT: mov r12, r0 ++; V8M-COMMON-NEXT: msr apsr_nzcvq, r0 ++; V8M-COMMON-NEXT: blxns r0 ++; V8M-COMMON-NEXT: vlldm sp, {d0 - d15} ++; V8M-COMMON-NEXT: add sp, #136 ++; V8M-COMMON-NEXT: pop.w {r4, r5, r6, r7, r8, r9, r10, r11} ++; V8M-COMMON-NEXT: movw r1, :lower16:arr ++; V8M-COMMON-NEXT: uxth r0, r0 ++; V8M-COMMON-NEXT: movt r1, :upper16:arr ++; V8M-COMMON-NEXT: ldr.w r0, [r1, r0, lsl #2] ++; V8M-COMMON-NEXT: pop {r7, pc} ++; ++; V81M-COMMON-LABEL: access_u16: ++; V81M-COMMON: @ %bb.0: @ %entry ++; V81M-COMMON-NEXT: push {r7, lr} ++; V81M-COMMON-NEXT: movw r0, :lower16:get_idx ++; V81M-COMMON-NEXT: movt r0, :upper16:get_idx ++; V81M-COMMON-NEXT: ldr r0, [r0] ++; V81M-COMMON-NEXT: push.w {r4, r5, r6, r7, r8, r9, r10, r11} ++; V81M-COMMON-NEXT: bic r0, r0, #1 ++; V81M-COMMON-NEXT: sub sp, #136 ++; V81M-COMMON-NEXT: vlstm sp, {d0 - d15} ++; V81M-COMMON-NEXT: clrm {r1, r2, r3, r4, r5, r6, r7, r8, r9, r10, r11, r12, apsr} ++; V81M-COMMON-NEXT: blxns r0 ++; V81M-COMMON-NEXT: vlldm sp, {d0 - d15} ++; V81M-COMMON-NEXT: add sp, #136 ++; V81M-COMMON-NEXT: pop.w {r4, r5, r6, r7, r8, r9, r10, r11} ++; V81M-COMMON-NEXT: movw r1, :lower16:arr ++; V81M-COMMON-NEXT: uxth r0, r0 ++; V81M-COMMON-NEXT: movt r1, :upper16:arr ++; V81M-COMMON-NEXT: ldr.w r0, [r1, r0, lsl #2] ++; V81M-COMMON-NEXT: pop {r7, pc} ++entry: ++ %0 = load ptr, ptr @get_idx, align 4 ++ %call = tail call zeroext i16 %0() "cmse_nonsecure_call" ++ %idxprom = zext i16 %call to i32 ++ %arrayidx = getelementptr inbounds [256 x i32], ptr @arr, i32 0, i32 %idxprom ++ %1 = load i32, ptr %arrayidx, align 4 ++ ret i32 %1 ++} ++ ++define i32 @access_i8() { ++; V8M-COMMON-LABEL: access_i8: ++; V8M-COMMON: @ %bb.0: @ %entry ++; V8M-COMMON-NEXT: push {r7, lr} ++; V8M-COMMON-NEXT: movw r0, :lower16:get_idx ++; V8M-COMMON-NEXT: movt r0, :upper16:get_idx ++; V8M-COMMON-NEXT: ldr r0, [r0] ++; V8M-COMMON-NEXT: push.w {r4, r5, r6, r7, r8, r9, r10, r11} ++; V8M-COMMON-NEXT: bic r0, r0, #1 ++; V8M-COMMON-NEXT: sub sp, #136 ++; V8M-COMMON-NEXT: vlstm sp, {d0 - d15} ++; V8M-COMMON-NEXT: mov r1, r0 ++; V8M-COMMON-NEXT: mov r2, r0 ++; V8M-COMMON-NEXT: mov r3, r0 ++; V8M-COMMON-NEXT: mov r4, r0 ++; V8M-COMMON-NEXT: mov r5, r0 ++; V8M-COMMON-NEXT: mov r6, r0 ++; V8M-COMMON-NEXT: mov r7, r0 ++; V8M-COMMON-NEXT: mov r8, r0 ++; V8M-COMMON-NEXT: mov r9, r0 ++; V8M-COMMON-NEXT: mov r10, r0 ++; V8M-COMMON-NEXT: mov r11, r0 ++; V8M-COMMON-NEXT: mov r12, r0 ++; V8M-COMMON-NEXT: msr apsr_nzcvq, r0 ++; V8M-COMMON-NEXT: blxns r0 ++; V8M-COMMON-NEXT: vlldm sp, {d0 - d15} ++; V8M-COMMON-NEXT: add sp, #136 ++; V8M-COMMON-NEXT: pop.w {r4, r5, r6, r7, r8, r9, r10, r11} ++; V8M-COMMON-NEXT: movw r1, :lower16:arr ++; V8M-COMMON-NEXT: sxtb r0, r0 ++; V8M-COMMON-NEXT: movt r1, :upper16:arr ++; V8M-COMMON-NEXT: ldr.w r0, [r1, r0, lsl #2] ++; V8M-COMMON-NEXT: pop {r7, pc} ++; ++; V81M-COMMON-LABEL: access_i8: ++; V81M-COMMON: @ %bb.0: @ %entry ++; V81M-COMMON-NEXT: push {r7, lr} ++; V81M-COMMON-NEXT: movw r0, :lower16:get_idx ++; V81M-COMMON-NEXT: movt r0, :upper16:get_idx ++; V81M-COMMON-NEXT: ldr r0, [r0] ++; V81M-COMMON-NEXT: push.w {r4, r5, r6, r7, r8, r9, r10, r11} ++; V81M-COMMON-NEXT: bic r0, r0, #1 ++; V81M-COMMON-NEXT: sub sp, #136 ++; V81M-COMMON-NEXT: vlstm sp, {d0 - d15} ++; V81M-COMMON-NEXT: clrm {r1, r2, r3, r4, r5, r6, r7, r8, r9, r10, r11, r12, apsr} ++; V81M-COMMON-NEXT: blxns r0 ++; V81M-COMMON-NEXT: vlldm sp, {d0 - d15} ++; V81M-COMMON-NEXT: add sp, #136 ++; V81M-COMMON-NEXT: pop.w {r4, r5, r6, r7, r8, r9, r10, r11} ++; V81M-COMMON-NEXT: movw r1, :lower16:arr ++; V81M-COMMON-NEXT: sxtb r0, r0 ++; V81M-COMMON-NEXT: movt r1, :upper16:arr ++; V81M-COMMON-NEXT: ldr.w r0, [r1, r0, lsl #2] ++; V81M-COMMON-NEXT: pop {r7, pc} ++entry: ++ %0 = load ptr, ptr @get_idx, align 4 ++ %call = tail call signext i8 %0() "cmse_nonsecure_call" ++ %idxprom = sext i8 %call to i32 ++ %arrayidx = getelementptr inbounds [256 x i32], ptr @arr, i32 0, i32 %idxprom ++ %1 = load i32, ptr %arrayidx, align 4 ++ ret i32 %1 ++} ++ ++define i32 @access_u8() { ++; V8M-COMMON-LABEL: access_u8: ++; V8M-COMMON: @ %bb.0: @ %entry ++; V8M-COMMON-NEXT: push {r7, lr} ++; V8M-COMMON-NEXT: movw r0, :lower16:get_idx ++; V8M-COMMON-NEXT: movt r0, :upper16:get_idx ++; V8M-COMMON-NEXT: ldr r0, [r0] ++; V8M-COMMON-NEXT: push.w {r4, r5, r6, r7, r8, r9, r10, r11} ++; V8M-COMMON-NEXT: bic r0, r0, #1 ++; V8M-COMMON-NEXT: sub sp, #136 ++; V8M-COMMON-NEXT: vlstm sp, {d0 - d15} ++; V8M-COMMON-NEXT: mov r1, r0 ++; V8M-COMMON-NEXT: mov r2, r0 ++; V8M-COMMON-NEXT: mov r3, r0 ++; V8M-COMMON-NEXT: mov r4, r0 ++; V8M-COMMON-NEXT: mov r5, r0 ++; V8M-COMMON-NEXT: mov r6, r0 ++; V8M-COMMON-NEXT: mov r7, r0 ++; V8M-COMMON-NEXT: mov r8, r0 ++; V8M-COMMON-NEXT: mov r9, r0 ++; V8M-COMMON-NEXT: mov r10, r0 ++; V8M-COMMON-NEXT: mov r11, r0 ++; V8M-COMMON-NEXT: mov r12, r0 ++; V8M-COMMON-NEXT: msr apsr_nzcvq, r0 ++; V8M-COMMON-NEXT: blxns r0 ++; V8M-COMMON-NEXT: vlldm sp, {d0 - d15} ++; V8M-COMMON-NEXT: add sp, #136 ++; V8M-COMMON-NEXT: pop.w {r4, r5, r6, r7, r8, r9, r10, r11} ++; V8M-COMMON-NEXT: movw r1, :lower16:arr ++; V8M-COMMON-NEXT: uxtb r0, r0 ++; V8M-COMMON-NEXT: movt r1, :upper16:arr ++; V8M-COMMON-NEXT: ldr.w r0, [r1, r0, lsl #2] ++; V8M-COMMON-NEXT: pop {r7, pc} ++; ++; V81M-COMMON-LABEL: access_u8: ++; V81M-COMMON: @ %bb.0: @ %entry ++; V81M-COMMON-NEXT: push {r7, lr} ++; V81M-COMMON-NEXT: movw r0, :lower16:get_idx ++; V81M-COMMON-NEXT: movt r0, :upper16:get_idx ++; V81M-COMMON-NEXT: ldr r0, [r0] ++; V81M-COMMON-NEXT: push.w {r4, r5, r6, r7, r8, r9, r10, r11} ++; V81M-COMMON-NEXT: bic r0, r0, #1 ++; V81M-COMMON-NEXT: sub sp, #136 ++; V81M-COMMON-NEXT: vlstm sp, {d0 - d15} ++; V81M-COMMON-NEXT: clrm {r1, r2, r3, r4, r5, r6, r7, r8, r9, r10, r11, r12, apsr} ++; V81M-COMMON-NEXT: blxns r0 ++; V81M-COMMON-NEXT: vlldm sp, {d0 - d15} ++; V81M-COMMON-NEXT: add sp, #136 ++; V81M-COMMON-NEXT: pop.w {r4, r5, r6, r7, r8, r9, r10, r11} ++; V81M-COMMON-NEXT: movw r1, :lower16:arr ++; V81M-COMMON-NEXT: uxtb r0, r0 ++; V81M-COMMON-NEXT: movt r1, :upper16:arr ++; V81M-COMMON-NEXT: ldr.w r0, [r1, r0, lsl #2] ++; V81M-COMMON-NEXT: pop {r7, pc} ++entry: ++ %0 = load ptr, ptr @get_idx, align 4 ++ %call = tail call zeroext i8 %0() "cmse_nonsecure_call" ++ %idxprom = zext i8 %call to i32 ++ %arrayidx = getelementptr inbounds [256 x i32], ptr @arr, i32 0, i32 %idxprom ++ %1 = load i32, ptr %arrayidx, align 4 ++ ret i32 %1 ++} ++ ++define i32 @access_i1() { ++; V8M-COMMON-LABEL: access_i1: ++; V8M-COMMON: @ %bb.0: @ %entry ++; V8M-COMMON-NEXT: push {r7, lr} ++; V8M-COMMON-NEXT: movw r0, :lower16:get_idx ++; V8M-COMMON-NEXT: movt r0, :upper16:get_idx ++; V8M-COMMON-NEXT: ldr r0, [r0] ++; V8M-COMMON-NEXT: push.w {r4, r5, r6, r7, r8, r9, r10, r11} ++; V8M-COMMON-NEXT: bic r0, r0, #1 ++; V8M-COMMON-NEXT: sub sp, #136 ++; V8M-COMMON-NEXT: vlstm sp, {d0 - d15} ++; V8M-COMMON-NEXT: mov r1, r0 ++; V8M-COMMON-NEXT: mov r2, r0 ++; V8M-COMMON-NEXT: mov r3, r0 ++; V8M-COMMON-NEXT: mov r4, r0 ++; V8M-COMMON-NEXT: mov r5, r0 ++; V8M-COMMON-NEXT: mov r6, r0 ++; V8M-COMMON-NEXT: mov r7, r0 ++; V8M-COMMON-NEXT: mov r8, r0 ++; V8M-COMMON-NEXT: mov r9, r0 ++; V8M-COMMON-NEXT: mov r10, r0 ++; V8M-COMMON-NEXT: mov r11, r0 ++; V8M-COMMON-NEXT: mov r12, r0 ++; V8M-COMMON-NEXT: msr apsr_nzcvq, r0 ++; V8M-COMMON-NEXT: blxns r0 ++; V8M-COMMON-NEXT: vlldm sp, {d0 - d15} ++; V8M-COMMON-NEXT: add sp, #136 ++; V8M-COMMON-NEXT: pop.w {r4, r5, r6, r7, r8, r9, r10, r11} ++; V8M-COMMON-NEXT: movw r1, :lower16:arr ++; V8M-COMMON-NEXT: and r0, r0, #1 ++; V8M-COMMON-NEXT: movt r1, :upper16:arr ++; V8M-COMMON-NEXT: ldr.w r0, [r1, r0, lsl #2] ++; V8M-COMMON-NEXT: pop {r7, pc} ++; ++; V81M-COMMON-LABEL: access_i1: ++; V81M-COMMON: @ %bb.0: @ %entry ++; V81M-COMMON-NEXT: push {r7, lr} ++; V81M-COMMON-NEXT: movw r0, :lower16:get_idx ++; V81M-COMMON-NEXT: movt r0, :upper16:get_idx ++; V81M-COMMON-NEXT: ldr r0, [r0] ++; V81M-COMMON-NEXT: push.w {r4, r5, r6, r7, r8, r9, r10, r11} ++; V81M-COMMON-NEXT: bic r0, r0, #1 ++; V81M-COMMON-NEXT: sub sp, #136 ++; V81M-COMMON-NEXT: vlstm sp, {d0 - d15} ++; V81M-COMMON-NEXT: clrm {r1, r2, r3, r4, r5, r6, r7, r8, r9, r10, r11, r12, apsr} ++; V81M-COMMON-NEXT: blxns r0 ++; V81M-COMMON-NEXT: vlldm sp, {d0 - d15} ++; V81M-COMMON-NEXT: add sp, #136 ++; V81M-COMMON-NEXT: pop.w {r4, r5, r6, r7, r8, r9, r10, r11} ++; V81M-COMMON-NEXT: movw r1, :lower16:arr ++; V81M-COMMON-NEXT: and r0, r0, #1 ++; V81M-COMMON-NEXT: movt r1, :upper16:arr ++; V81M-COMMON-NEXT: ldr.w r0, [r1, r0, lsl #2] ++; V81M-COMMON-NEXT: pop {r7, pc} ++entry: ++ %0 = load ptr, ptr @get_idx, align 4 ++ %call = tail call zeroext i1 %0() "cmse_nonsecure_call" ++ %idxprom = zext i1 %call to i32 ++ %arrayidx = getelementptr inbounds [256 x i32], ptr @arr, i32 0, i32 %idxprom ++ %1 = load i32, ptr %arrayidx, align 4 ++ ret i32 %1 ++} ++ ++define i32 @access_i5() { ++; V8M-COMMON-LABEL: access_i5: ++; V8M-COMMON: @ %bb.0: @ %entry ++; V8M-COMMON-NEXT: push {r7, lr} ++; V8M-COMMON-NEXT: movw r0, :lower16:get_idx ++; V8M-COMMON-NEXT: movt r0, :upper16:get_idx ++; V8M-COMMON-NEXT: ldr r0, [r0] ++; V8M-COMMON-NEXT: push.w {r4, r5, r6, r7, r8, r9, r10, r11} ++; V8M-COMMON-NEXT: bic r0, r0, #1 ++; V8M-COMMON-NEXT: sub sp, #136 ++; V8M-COMMON-NEXT: vlstm sp, {d0 - d15} ++; V8M-COMMON-NEXT: mov r1, r0 ++; V8M-COMMON-NEXT: mov r2, r0 ++; V8M-COMMON-NEXT: mov r3, r0 ++; V8M-COMMON-NEXT: mov r4, r0 ++; V8M-COMMON-NEXT: mov r5, r0 ++; V8M-COMMON-NEXT: mov r6, r0 ++; V8M-COMMON-NEXT: mov r7, r0 ++; V8M-COMMON-NEXT: mov r8, r0 ++; V8M-COMMON-NEXT: mov r9, r0 ++; V8M-COMMON-NEXT: mov r10, r0 ++; V8M-COMMON-NEXT: mov r11, r0 ++; V8M-COMMON-NEXT: mov r12, r0 ++; V8M-COMMON-NEXT: msr apsr_nzcvq, r0 ++; V8M-COMMON-NEXT: blxns r0 ++; V8M-COMMON-NEXT: vlldm sp, {d0 - d15} ++; V8M-COMMON-NEXT: add sp, #136 ++; V8M-COMMON-NEXT: pop.w {r4, r5, r6, r7, r8, r9, r10, r11} ++; V8M-COMMON-NEXT: movw r1, :lower16:arr ++; V8M-COMMON-NEXT: sbfx r0, r0, #0, #5 ++; V8M-COMMON-NEXT: movt r1, :upper16:arr ++; V8M-COMMON-NEXT: ldr.w r0, [r1, r0, lsl #2] ++; V8M-COMMON-NEXT: pop {r7, pc} ++; ++; V81M-COMMON-LABEL: access_i5: ++; V81M-COMMON: @ %bb.0: @ %entry ++; V81M-COMMON-NEXT: push {r7, lr} ++; V81M-COMMON-NEXT: movw r0, :lower16:get_idx ++; V81M-COMMON-NEXT: movt r0, :upper16:get_idx ++; V81M-COMMON-NEXT: ldr r0, [r0] ++; V81M-COMMON-NEXT: push.w {r4, r5, r6, r7, r8, r9, r10, r11} ++; V81M-COMMON-NEXT: bic r0, r0, #1 ++; V81M-COMMON-NEXT: sub sp, #136 ++; V81M-COMMON-NEXT: vlstm sp, {d0 - d15} ++; V81M-COMMON-NEXT: clrm {r1, r2, r3, r4, r5, r6, r7, r8, r9, r10, r11, r12, apsr} ++; V81M-COMMON-NEXT: blxns r0 ++; V81M-COMMON-NEXT: vlldm sp, {d0 - d15} ++; V81M-COMMON-NEXT: add sp, #136 ++; V81M-COMMON-NEXT: pop.w {r4, r5, r6, r7, r8, r9, r10, r11} ++; V81M-COMMON-NEXT: movw r1, :lower16:arr ++; V81M-COMMON-NEXT: sbfx r0, r0, #0, #5 ++; V81M-COMMON-NEXT: movt r1, :upper16:arr ++; V81M-COMMON-NEXT: ldr.w r0, [r1, r0, lsl #2] ++; V81M-COMMON-NEXT: pop {r7, pc} ++entry: ++ %0 = load ptr, ptr @get_idx, align 4 ++ %call = tail call signext i5 %0() "cmse_nonsecure_call" ++ %idxprom = sext i5 %call to i32 ++ %arrayidx = getelementptr inbounds [256 x i32], ptr @arr, i32 0, i32 %idxprom ++ %1 = load i32, ptr %arrayidx, align 4 ++ ret i32 %1 ++} ++ ++define i32 @access_u5() { ++; V8M-COMMON-LABEL: access_u5: ++; V8M-COMMON: @ %bb.0: @ %entry ++; V8M-COMMON-NEXT: push {r7, lr} ++; V8M-COMMON-NEXT: movw r0, :lower16:get_idx ++; V8M-COMMON-NEXT: movt r0, :upper16:get_idx ++; V8M-COMMON-NEXT: ldr r0, [r0] ++; V8M-COMMON-NEXT: push.w {r4, r5, r6, r7, r8, r9, r10, r11} ++; V8M-COMMON-NEXT: bic r0, r0, #1 ++; V8M-COMMON-NEXT: sub sp, #136 ++; V8M-COMMON-NEXT: vlstm sp, {d0 - d15} ++; V8M-COMMON-NEXT: mov r1, r0 ++; V8M-COMMON-NEXT: mov r2, r0 ++; V8M-COMMON-NEXT: mov r3, r0 ++; V8M-COMMON-NEXT: mov r4, r0 ++; V8M-COMMON-NEXT: mov r5, r0 ++; V8M-COMMON-NEXT: mov r6, r0 ++; V8M-COMMON-NEXT: mov r7, r0 ++; V8M-COMMON-NEXT: mov r8, r0 ++; V8M-COMMON-NEXT: mov r9, r0 ++; V8M-COMMON-NEXT: mov r10, r0 ++; V8M-COMMON-NEXT: mov r11, r0 ++; V8M-COMMON-NEXT: mov r12, r0 ++; V8M-COMMON-NEXT: msr apsr_nzcvq, r0 ++; V8M-COMMON-NEXT: blxns r0 ++; V8M-COMMON-NEXT: vlldm sp, {d0 - d15} ++; V8M-COMMON-NEXT: add sp, #136 ++; V8M-COMMON-NEXT: pop.w {r4, r5, r6, r7, r8, r9, r10, r11} ++; V8M-COMMON-NEXT: movw r1, :lower16:arr ++; V8M-COMMON-NEXT: and r0, r0, #31 ++; V8M-COMMON-NEXT: movt r1, :upper16:arr ++; V8M-COMMON-NEXT: ldr.w r0, [r1, r0, lsl #2] ++; V8M-COMMON-NEXT: pop {r7, pc} ++; ++; V81M-COMMON-LABEL: access_u5: ++; V81M-COMMON: @ %bb.0: @ %entry ++; V81M-COMMON-NEXT: push {r7, lr} ++; V81M-COMMON-NEXT: movw r0, :lower16:get_idx ++; V81M-COMMON-NEXT: movt r0, :upper16:get_idx ++; V81M-COMMON-NEXT: ldr r0, [r0] ++; V81M-COMMON-NEXT: push.w {r4, r5, r6, r7, r8, r9, r10, r11} ++; V81M-COMMON-NEXT: bic r0, r0, #1 ++; V81M-COMMON-NEXT: sub sp, #136 ++; V81M-COMMON-NEXT: vlstm sp, {d0 - d15} ++; V81M-COMMON-NEXT: clrm {r1, r2, r3, r4, r5, r6, r7, r8, r9, r10, r11, r12, apsr} ++; V81M-COMMON-NEXT: blxns r0 ++; V81M-COMMON-NEXT: vlldm sp, {d0 - d15} ++; V81M-COMMON-NEXT: add sp, #136 ++; V81M-COMMON-NEXT: pop.w {r4, r5, r6, r7, r8, r9, r10, r11} ++; V81M-COMMON-NEXT: movw r1, :lower16:arr ++; V81M-COMMON-NEXT: and r0, r0, #31 ++; V81M-COMMON-NEXT: movt r1, :upper16:arr ++; V81M-COMMON-NEXT: ldr.w r0, [r1, r0, lsl #2] ++; V81M-COMMON-NEXT: pop {r7, pc} ++entry: ++ %0 = load ptr, ptr @get_idx, align 4 ++ %call = tail call zeroext i5 %0() "cmse_nonsecure_call" ++ %idxprom = zext i5 %call to i32 ++ %arrayidx = getelementptr inbounds [256 x i32], ptr @arr, i32 0, i32 %idxprom ++ %1 = load i32, ptr %arrayidx, align 4 ++ ret i32 %1 ++} ++ ++define i32 @access_i33(ptr %f) { ++; V8M-COMMON-LABEL: access_i33: ++; V8M-COMMON: @ %bb.0: @ %entry ++; V8M-COMMON-NEXT: push {r7, lr} ++; V8M-COMMON-NEXT: push.w {r4, r5, r6, r7, r8, r9, r10, r11} ++; V8M-COMMON-NEXT: bic r0, r0, #1 ++; V8M-COMMON-NEXT: sub sp, #136 ++; V8M-COMMON-NEXT: vlstm sp, {d0 - d15} ++; V8M-COMMON-NEXT: mov r1, r0 ++; V8M-COMMON-NEXT: mov r2, r0 ++; V8M-COMMON-NEXT: mov r3, r0 ++; V8M-COMMON-NEXT: mov r4, r0 ++; V8M-COMMON-NEXT: mov r5, r0 ++; V8M-COMMON-NEXT: mov r6, r0 ++; V8M-COMMON-NEXT: mov r7, r0 ++; V8M-COMMON-NEXT: mov r8, r0 ++; V8M-COMMON-NEXT: mov r9, r0 ++; V8M-COMMON-NEXT: mov r10, r0 ++; V8M-COMMON-NEXT: mov r11, r0 ++; V8M-COMMON-NEXT: mov r12, r0 ++; V8M-COMMON-NEXT: msr apsr_nzcvq, r0 ++; V8M-COMMON-NEXT: blxns r0 ++; V8M-COMMON-NEXT: vlldm sp, {d0 - d15} ++; V8M-COMMON-NEXT: add sp, #136 ++; V8M-COMMON-NEXT: pop.w {r4, r5, r6, r7, r8, r9, r10, r11} ++; V8M-LE-NEXT: and r0, r1, #1 ++; V8M-BE-NEXT: and r0, r0, #1 ++; V8M-COMMON-NEXT: rsb.w r0, r0, #0 ++; V8M-COMMON-NEXT: pop {r7, pc} ++; ++; V81M-COMMON-LABEL: access_i33: ++; V81M-COMMON: @ %bb.0: @ %entry ++; V81M-COMMON-NEXT: push {r7, lr} ++; V81M-COMMON-NEXT: push.w {r4, r5, r6, r7, r8, r9, r10, r11} ++; V81M-COMMON-NEXT: bic r0, r0, #1 ++; V81M-COMMON-NEXT: sub sp, #136 ++; V81M-COMMON-NEXT: vlstm sp, {d0 - d15} ++; V81M-COMMON-NEXT: clrm {r1, r2, r3, r4, r5, r6, r7, r8, r9, r10, r11, r12, apsr} ++; V81M-COMMON-NEXT: blxns r0 ++; V81M-COMMON-NEXT: vlldm sp, {d0 - d15} ++; V81M-COMMON-NEXT: add sp, #136 ++; V81M-COMMON-NEXT: pop.w {r4, r5, r6, r7, r8, r9, r10, r11} ++; V81M-LE-NEXT: and r0, r1, #1 ++; V81M-BE-NEXT: and r0, r0, #1 ++; V81M-COMMON-NEXT: rsb.w r0, r0, #0 ++; V81M-COMMON-NEXT: pop {r7, pc} ++entry: ++ %call = tail call i33 %f() "cmse_nonsecure_call" ++ %shr = ashr i33 %call, 32 ++ %conv = trunc nsw i33 %shr to i32 ++ ret i32 %conv ++} ++ ++define i32 @access_u33(ptr %f) { ++; V8M-COMMON-LABEL: access_u33: ++; V8M-COMMON: @ %bb.0: @ %entry ++; V8M-COMMON-NEXT: push {r7, lr} ++; V8M-COMMON-NEXT: push.w {r4, r5, r6, r7, r8, r9, r10, r11} ++; V8M-COMMON-NEXT: bic r0, r0, #1 ++; V8M-COMMON-NEXT: sub sp, #136 ++; V8M-COMMON-NEXT: vlstm sp, {d0 - d15} ++; V8M-COMMON-NEXT: mov r1, r0 ++; V8M-COMMON-NEXT: mov r2, r0 ++; V8M-COMMON-NEXT: mov r3, r0 ++; V8M-COMMON-NEXT: mov r4, r0 ++; V8M-COMMON-NEXT: mov r5, r0 ++; V8M-COMMON-NEXT: mov r6, r0 ++; V8M-COMMON-NEXT: mov r7, r0 ++; V8M-COMMON-NEXT: mov r8, r0 ++; V8M-COMMON-NEXT: mov r9, r0 ++; V8M-COMMON-NEXT: mov r10, r0 ++; V8M-COMMON-NEXT: mov r11, r0 ++; V8M-COMMON-NEXT: mov r12, r0 ++; V8M-COMMON-NEXT: msr apsr_nzcvq, r0 ++; V8M-COMMON-NEXT: blxns r0 ++; V8M-COMMON-NEXT: vlldm sp, {d0 - d15} ++; V8M-COMMON-NEXT: add sp, #136 ++; V8M-COMMON-NEXT: pop.w {r4, r5, r6, r7, r8, r9, r10, r11} ++; V8M-LE-NEXT: and r0, r1, #1 ++; V8M-BE-NEXT: and r0, r0, #1 ++; V8M-COMMON-NEXT: pop {r7, pc} ++; ++; V81M-COMMON-LABEL: access_u33: ++; V81M-COMMON: @ %bb.0: @ %entry ++; V81M-COMMON-NEXT: push {r7, lr} ++; V81M-COMMON-NEXT: push.w {r4, r5, r6, r7, r8, r9, r10, r11} ++; V81M-COMMON-NEXT: bic r0, r0, #1 ++; V81M-COMMON-NEXT: sub sp, #136 ++; V81M-COMMON-NEXT: vlstm sp, {d0 - d15} ++; V81M-COMMON-NEXT: clrm {r1, r2, r3, r4, r5, r6, r7, r8, r9, r10, r11, r12, apsr} ++; V81M-COMMON-NEXT: blxns r0 ++; V81M-COMMON-NEXT: vlldm sp, {d0 - d15} ++; V81M-COMMON-NEXT: add sp, #136 ++; V81M-COMMON-NEXT: pop.w {r4, r5, r6, r7, r8, r9, r10, r11} ++; V81M-LE-NEXT: and r0, r1, #1 ++; V81M-BE-NEXT: and r0, r0, #1 ++; V81M-COMMON-NEXT: pop {r7, pc} ++entry: ++ %call = tail call i33 %f() "cmse_nonsecure_call" ++ %shr = lshr i33 %call, 32 ++ %conv = trunc nuw nsw i33 %shr to i32 ++ ret i32 %conv ++} +diff --git a/llvm/test/CodeGen/ARM/cmse-harden-entry-arguments.ll b/llvm/test/CodeGen/ARM/cmse-harden-entry-arguments.ll +new file mode 100644 +index 0000000000..c66ab00566dd +--- /dev/null ++++ b/llvm/test/CodeGen/ARM/cmse-harden-entry-arguments.ll +@@ -0,0 +1,368 @@ ++; RUN: llc %s -mtriple=thumbv8m.main -o - | FileCheck %s --check-prefixes V8M-COMMON,V8M-LE ++; RUN: llc %s -mtriple=thumbebv8m.main -o - | FileCheck %s --check-prefixes V8M-COMMON,V8M-BE ++; RUN: llc %s -mtriple=thumbv8.1m.main -o - | FileCheck %s --check-prefixes V81M-COMMON,V81M-LE ++; RUN: llc %s -mtriple=thumbebv8.1m.main -o - | FileCheck %s --check-prefixes V81M-COMMON,V81M-BE ++ ++@arr = hidden local_unnamed_addr global [256 x i32] zeroinitializer, align 4 ++ ++define i32 @access_i16(i16 signext %idx) "cmse_nonsecure_entry" { ++; V8M-COMMON-LABEL: access_i16: ++; V8M-COMMON: @ %bb.0: @ %entry ++; V8M-COMMON-NEXT: movw r1, :lower16:arr ++; V8M-COMMON-NEXT: sxth r0, r0 ++; V8M-COMMON-NEXT: movt r1, :upper16:arr ++; V8M-COMMON-NEXT: mov r2, lr ++; V8M-COMMON-NEXT: ldr.w r0, [r1, r0, lsl #2] ++; V8M-COMMON-NEXT: mov r1, lr ++; V8M-COMMON-NEXT: mov r3, lr ++; V8M-COMMON-NEXT: msr apsr_nzcvq, lr ++; V8M-COMMON-NEXT: mov r12, lr ++; V8M-COMMON-NEXT: bxns lr ++; ++; V81M-COMMON-LABEL: access_i16: ++; V81M-COMMON: @ %bb.0: @ %entry ++; V81M-COMMON-NEXT: vstr fpcxtns, [sp, #-4]! ++; V81M-COMMON-NEXT: movw r1, :lower16:arr ++; V81M-COMMON-NEXT: sxth r0, r0 ++; V81M-COMMON-NEXT: movt r1, :upper16:arr ++; V81M-COMMON-NEXT: ldr.w r0, [r1, r0, lsl #2] ++; V81M-COMMON-NEXT: vscclrm {s0, s1, s2, s3, s4, s5, s6, s7, s8, s9, s10, s11, s12, s13, s14, s15, vpr} ++; V81M-COMMON-NEXT: vldr fpcxtns, [sp], #4 ++; V81M-COMMON-NEXT: clrm {r1, r2, r3, r12, apsr} ++; V81M-COMMON-NEXT: bxns lr ++entry: ++ %idxprom = sext i16 %idx to i32 ++ %arrayidx = getelementptr inbounds [256 x i32], ptr @arr, i32 0, i32 %idxprom ++ %0 = load i32, ptr %arrayidx, align 4 ++ ret i32 %0 ++} ++ ++define i32 @access_u16(i16 zeroext %idx) "cmse_nonsecure_entry" { ++; V8M-COMMON-LABEL: access_u16: ++; V8M-COMMON: @ %bb.0: @ %entry ++; V8M-COMMON-NEXT: movw r1, :lower16:arr ++; V8M-COMMON-NEXT: uxth r0, r0 ++; V8M-COMMON-NEXT: movt r1, :upper16:arr ++; V8M-COMMON-NEXT: mov r2, lr ++; V8M-COMMON-NEXT: ldr.w r0, [r1, r0, lsl #2] ++; V8M-COMMON-NEXT: mov r1, lr ++; V8M-COMMON-NEXT: mov r3, lr ++; V8M-COMMON-NEXT: msr apsr_nzcvq, lr ++; V8M-COMMON-NEXT: mov r12, lr ++; V8M-COMMON-NEXT: bxns lr ++; ++; V81M-COMMON-LABEL: access_u16: ++; V81M-COMMON: @ %bb.0: @ %entry ++; V81M-COMMON-NEXT: vstr fpcxtns, [sp, #-4]! ++; V81M-COMMON-NEXT: movw r1, :lower16:arr ++; V81M-COMMON-NEXT: uxth r0, r0 ++; V81M-COMMON-NEXT: movt r1, :upper16:arr ++; V81M-COMMON-NEXT: ldr.w r0, [r1, r0, lsl #2] ++; V81M-COMMON-NEXT: vscclrm {s0, s1, s2, s3, s4, s5, s6, s7, s8, s9, s10, s11, s12, s13, s14, s15, vpr} ++; V81M-COMMON-NEXT: vldr fpcxtns, [sp], #4 ++; V81M-COMMON-NEXT: clrm {r1, r2, r3, r12, apsr} ++; V81M-COMMON-NEXT: bxns lr ++entry: ++ %idxprom = zext i16 %idx to i32 ++ %arrayidx = getelementptr inbounds [256 x i32], ptr @arr, i32 0, i32 %idxprom ++ %0 = load i32, ptr %arrayidx, align 4 ++ ret i32 %0 ++} ++ ++define i32 @access_i8(i8 signext %idx) "cmse_nonsecure_entry" { ++; V8M-COMMON-LABEL: access_i8: ++; V8M-COMMON: @ %bb.0: @ %entry ++; V8M-COMMON-NEXT: movw r1, :lower16:arr ++; V8M-COMMON-NEXT: sxtb r0, r0 ++; V8M-COMMON-NEXT: movt r1, :upper16:arr ++; V8M-COMMON-NEXT: mov r2, lr ++; V8M-COMMON-NEXT: ldr.w r0, [r1, r0, lsl #2] ++; V8M-COMMON-NEXT: mov r1, lr ++; V8M-COMMON-NEXT: mov r3, lr ++; V8M-COMMON-NEXT: msr apsr_nzcvq, lr ++; V8M-COMMON-NEXT: mov r12, lr ++; V8M-COMMON-NEXT: bxns lr ++; ++; V81M-COMMON-LABEL: access_i8: ++; V81M-COMMON: @ %bb.0: @ %entry ++; V81M-COMMON-NEXT: vstr fpcxtns, [sp, #-4]! ++; V81M-COMMON-NEXT: movw r1, :lower16:arr ++; V81M-COMMON-NEXT: sxtb r0, r0 ++; V81M-COMMON-NEXT: movt r1, :upper16:arr ++; V81M-COMMON-NEXT: ldr.w r0, [r1, r0, lsl #2] ++; V81M-COMMON-NEXT: vscclrm {s0, s1, s2, s3, s4, s5, s6, s7, s8, s9, s10, s11, s12, s13, s14, s15, vpr} ++; V81M-COMMON-NEXT: vldr fpcxtns, [sp], #4 ++; V81M-COMMON-NEXT: clrm {r1, r2, r3, r12, apsr} ++; V81M-COMMON-NEXT: bxns lr ++entry: ++ %idxprom = sext i8 %idx to i32 ++ %arrayidx = getelementptr inbounds [256 x i32], ptr @arr, i32 0, i32 %idxprom ++ %0 = load i32, ptr %arrayidx, align 4 ++ ret i32 %0 ++} ++ ++define i32 @access_u8(i8 zeroext %idx) "cmse_nonsecure_entry" { ++; V8M-COMMON-LABEL: access_u8: ++; V8M-COMMON: @ %bb.0: @ %entry ++; V8M-COMMON-NEXT: movw r1, :lower16:arr ++; V8M-COMMON-NEXT: uxtb r0, r0 ++; V8M-COMMON-NEXT: movt r1, :upper16:arr ++; V8M-COMMON-NEXT: mov r2, lr ++; V8M-COMMON-NEXT: ldr.w r0, [r1, r0, lsl #2] ++; V8M-COMMON-NEXT: mov r1, lr ++; V8M-COMMON-NEXT: mov r3, lr ++; V8M-COMMON-NEXT: msr apsr_nzcvq, lr ++; V8M-COMMON-NEXT: mov r12, lr ++; V8M-COMMON-NEXT: bxns lr ++; ++; V81M-COMMON-LABEL: access_u8: ++; V81M-COMMON: @ %bb.0: @ %entry ++; V81M-COMMON-NEXT: vstr fpcxtns, [sp, #-4]! ++; V81M-COMMON-NEXT: movw r1, :lower16:arr ++; V81M-COMMON-NEXT: uxtb r0, r0 ++; V81M-COMMON-NEXT: movt r1, :upper16:arr ++; V81M-COMMON-NEXT: ldr.w r0, [r1, r0, lsl #2] ++; V81M-COMMON-NEXT: vscclrm {s0, s1, s2, s3, s4, s5, s6, s7, s8, s9, s10, s11, s12, s13, s14, s15, vpr} ++; V81M-COMMON-NEXT: vldr fpcxtns, [sp], #4 ++; V81M-COMMON-NEXT: clrm {r1, r2, r3, r12, apsr} ++; V81M-COMMON-NEXT: bxns lr ++entry: ++ %idxprom = zext i8 %idx to i32 ++ %arrayidx = getelementptr inbounds [256 x i32], ptr @arr, i32 0, i32 %idxprom ++ %0 = load i32, ptr %arrayidx, align 4 ++ ret i32 %0 ++} ++ ++define i32 @access_i1(i1 signext %idx) "cmse_nonsecure_entry" { ++; V8M-COMMON-LABEL: access_i1: ++; V8M-COMMON: @ %bb.0: @ %entry ++; V8M-COMMON-NEXT: and r0, r0, #1 ++; V8M-COMMON-NEXT: movw r1, :lower16:arr ++; V8M-COMMON-NEXT: rsbs r0, r0, #0 ++; V8M-COMMON-NEXT: movt r1, :upper16:arr ++; V8M-COMMON-NEXT: and r0, r0, #1 ++; V8M-COMMON-NEXT: mov r2, lr ++; V8M-COMMON-NEXT: mov r3, lr ++; V8M-COMMON-NEXT: mov r12, lr ++; V8M-COMMON-NEXT: ldr.w r0, [r1, r0, lsl #2] ++; V8M-COMMON-NEXT: mov r1, lr ++; V8M-COMMON-NEXT: msr apsr_nzcvq, lr ++; V8M-COMMON-NEXT: bxns lr ++; ++; V81M-COMMON-LABEL: access_i1: ++; V81M-COMMON: @ %bb.0: @ %entry ++; V81M-COMMON-NEXT: vstr fpcxtns, [sp, #-4]! ++; V81M-COMMON-NEXT: and r0, r0, #1 ++; V81M-COMMON-NEXT: movw r1, :lower16:arr ++; V81M-COMMON-NEXT: rsbs r0, r0, #0 ++; V81M-COMMON-NEXT: movt r1, :upper16:arr ++; V81M-COMMON-NEXT: and r0, r0, #1 ++; V81M-COMMON-NEXT: ldr.w r0, [r1, r0, lsl #2] ++; V81M-COMMON-NEXT: vscclrm {s0, s1, s2, s3, s4, s5, s6, s7, s8, s9, s10, s11, s12, s13, s14, s15, vpr} ++; V81M-COMMON-NEXT: vldr fpcxtns, [sp], #4 ++; V81M-COMMON-NEXT: clrm {r1, r2, r3, r12, apsr} ++; V81M-COMMON-NEXT: bxns lr ++entry: ++ %idxprom = zext i1 %idx to i32 ++ %arrayidx = getelementptr inbounds [256 x i32], ptr @arr, i32 0, i32 %idxprom ++ %0 = load i32, ptr %arrayidx, align 4 ++ ret i32 %0 ++} ++ ++define i32 @access_i5(i5 signext %idx) "cmse_nonsecure_entry" { ++; V8M-COMMON-LABEL: access_i5: ++; V8M-COMMON: @ %bb.0: @ %entry ++; V8M-COMMON-NEXT: movw r1, :lower16:arr ++; V8M-COMMON-NEXT: sbfx r0, r0, #0, #5 ++; V8M-COMMON-NEXT: movt r1, :upper16:arr ++; V8M-COMMON-NEXT: mov r2, lr ++; V8M-COMMON-NEXT: ldr.w r0, [r1, r0, lsl #2] ++; V8M-COMMON-NEXT: mov r1, lr ++; V8M-COMMON-NEXT: mov r3, lr ++; V8M-COMMON-NEXT: msr apsr_nzcvq, lr ++; V8M-COMMON-NEXT: mov r12, lr ++; V8M-COMMON-NEXT: bxns lr ++; ++; V81M-COMMON-LABEL: access_i5: ++; V81M-COMMON: @ %bb.0: @ %entry ++; V81M-COMMON-NEXT: vstr fpcxtns, [sp, #-4]! ++; V81M-COMMON-NEXT: movw r1, :lower16:arr ++; V81M-COMMON-NEXT: sbfx r0, r0, #0, #5 ++; V81M-COMMON-NEXT: movt r1, :upper16:arr ++; V81M-COMMON-NEXT: ldr.w r0, [r1, r0, lsl #2] ++; V81M-COMMON-NEXT: vscclrm {s0, s1, s2, s3, s4, s5, s6, s7, s8, s9, s10, s11, s12, s13, s14, s15, vpr} ++; V81M-COMMON-NEXT: vldr fpcxtns, [sp], #4 ++; V81M-COMMON-NEXT: clrm {r1, r2, r3, r12, apsr} ++; V81M-COMMON-NEXT: bxns lr ++entry: ++ %idxprom = sext i5 %idx to i32 ++ %arrayidx = getelementptr inbounds [256 x i32], ptr @arr, i32 0, i32 %idxprom ++ %0 = load i32, ptr %arrayidx, align 4 ++ ret i32 %0 ++} ++ ++define i32 @access_u5(i5 zeroext %idx) "cmse_nonsecure_entry" { ++; V8M-COMMON-LABEL: access_u5: ++; V8M-COMMON: @ %bb.0: @ %entry ++; V8M-COMMON-NEXT: movw r1, :lower16:arr ++; V8M-COMMON-NEXT: and r0, r0, #31 ++; V8M-COMMON-NEXT: movt r1, :upper16:arr ++; V8M-COMMON-NEXT: mov r2, lr ++; V8M-COMMON-NEXT: ldr.w r0, [r1, r0, lsl #2] ++; V8M-COMMON-NEXT: mov r1, lr ++; V8M-COMMON-NEXT: mov r3, lr ++; V8M-COMMON-NEXT: msr apsr_nzcvq, lr ++; V8M-COMMON-NEXT: mov r12, lr ++; V8M-COMMON-NEXT: bxns lr ++; ++; V81M-COMMON-LABEL: access_u5: ++; V81M-COMMON: @ %bb.0: @ %entry ++; V81M-COMMON-NEXT: vstr fpcxtns, [sp, #-4]! ++; V81M-COMMON-NEXT: movw r1, :lower16:arr ++; V81M-COMMON-NEXT: and r0, r0, #31 ++; V81M-COMMON-NEXT: movt r1, :upper16:arr ++; V81M-COMMON-NEXT: ldr.w r0, [r1, r0, lsl #2] ++; V81M-COMMON-NEXT: vscclrm {s0, s1, s2, s3, s4, s5, s6, s7, s8, s9, s10, s11, s12, s13, s14, s15, vpr} ++; V81M-COMMON-NEXT: vldr fpcxtns, [sp], #4 ++; V81M-COMMON-NEXT: clrm {r1, r2, r3, r12, apsr} ++; V81M-COMMON-NEXT: bxns lr ++entry: ++ %idxprom = zext i5 %idx to i32 ++ %arrayidx = getelementptr inbounds [256 x i32], ptr @arr, i32 0, i32 %idxprom ++ %0 = load i32, ptr %arrayidx, align 4 ++ ret i32 %0 ++} ++ ++define i32 @access_i33(i33 %arg) "cmse_nonsecure_entry" { ++; V8M-COMMON-LABEL: access_i33: ++; V8M-COMMON: @ %bb.0: @ %entry ++; V8M-LE-NEXT: and r0, r1, #1 ++; V8M-BE-NEXT: and r0, r0, #1 ++; V8M-COMMON-NEXT: mov r1, lr ++; V8M-COMMON-NEXT: rsbs r0, r0, #0 ++; V8M-COMMON-NEXT: mov r2, lr ++; V8M-COMMON-NEXT: mov r3, lr ++; V8M-COMMON-NEXT: mov r12, lr ++; V8M-COMMON-NEXT: msr apsr_nzcvq, lr ++; V8M-COMMON-NEXT: bxns lr ++; ++; V81M-COMMON-LABEL: access_i33: ++; V81M-COMMON: @ %bb.0: @ %entry ++; V81M-COMMON-NEXT: vstr fpcxtns, [sp, #-4]! ++; V81M-LE-NEXT: and r0, r1, #1 ++; V81M-BE-NEXT: and r0, r0, #1 ++; V81M-COMMON-NEXT: vscclrm {s0, s1, s2, s3, s4, s5, s6, s7, s8, s9, s10, s11, s12, s13, s14, s15, vpr} ++; V81M-COMMON-NEXT: rsbs r0, r0, #0 ++; V81M-COMMON-NEXT: vldr fpcxtns, [sp], #4 ++; V81M-COMMON-NEXT: clrm {r1, r2, r3, r12, apsr} ++; V81M-COMMON-NEXT: bxns lr ++entry: ++ %shr = ashr i33 %arg, 32 ++ %conv = trunc nsw i33 %shr to i32 ++ ret i32 %conv ++} ++ ++define i32 @access_u33(i33 %arg) "cmse_nonsecure_entry" { ++; V8M-COMMON-LABEL: access_u33: ++; V8M-COMMON: @ %bb.0: @ %entry ++; V8M-LE-NEXT: and r0, r1, #1 ++; V8M-BE-NEXT: and r0, r0, #1 ++; V8M-COMMON-NEXT: mov r1, lr ++; V8M-COMMON-NEXT: mov r2, lr ++; V8M-COMMON-NEXT: mov r3, lr ++; V8M-COMMON-NEXT: mov r12, lr ++; V8M-COMMON-NEXT: msr apsr_nzcvq, lr ++; V8M-COMMON-NEXT: bxns lr ++; ++; V81M-COMMON-LABEL: access_u33: ++; V81M-COMMON: @ %bb.0: @ %entry ++; V81M-COMMON-NEXT: vstr fpcxtns, [sp, #-4]! ++; V81M-LE-NEXT: and r0, r1, #1 ++; V81M-BE-NEXT: and r0, r0, #1 ++; V81M-COMMON-NEXT: vscclrm {s0, s1, s2, s3, s4, s5, s6, s7, s8, s9, s10, s11, s12, s13, s14, s15, vpr} ++; V81M-COMMON-NEXT: vldr fpcxtns, [sp], #4 ++; V81M-COMMON-NEXT: clrm {r1, r2, r3, r12, apsr} ++; V81M-COMMON-NEXT: bxns lr ++entry: ++ %shr = lshr i33 %arg, 32 ++ %conv = trunc nuw nsw i33 %shr to i32 ++ ret i32 %conv ++} ++ ++define i32 @access_i65(ptr byval(i65) %0) "cmse_nonsecure_entry" { ++; V8M-COMMON-LABEL: access_i65: ++; V8M-COMMON: @ %bb.0: @ %entry ++; V8M-COMMON-NEXT: sub sp, #16 ++; V8M-COMMON-NEXT: stm.w sp, {r0, r1, r2, r3} ++; V8M-LE-NEXT: ldrb.w r0, [sp, #8] ++; V8M-LE-NEXT: and r0, r0, #1 ++; V8M-LE-NEXT: rsbs r0, r0, #0 ++; V8M-BE-NEXT: movs r1, #0 ++; V8M-BE-NEXT: sub.w r0, r1, r0, lsr #24 ++; V8M-COMMON-NEXT: add sp, #16 ++; V8M-COMMON-NEXT: mov r1, lr ++; V8M-COMMON-NEXT: mov r2, lr ++; V8M-COMMON-NEXT: mov r3, lr ++; V8M-COMMON-NEXT: mov r12, lr ++; V8M-COMMON-NEXT: msr apsr_nzcvq, lr ++; V8M-COMMON-NEXT: bxns lr ++; ++; V81M-COMMON-LABEL: access_i65: ++; V81M-COMMON: @ %bb.0: @ %entry ++; V81M-COMMON-NEXT: vstr fpcxtns, [sp, #-4]! ++; V81M-COMMON-NEXT: sub sp, #16 ++; V81M-COMMON-NEXT: add sp, #4 ++; V81M-COMMON-NEXT: stm.w sp, {r0, r1, r2, r3} ++; V81M-LE-NEXT: ldrb.w r0, [sp, #8] ++; V81M-LE-NEXT: and r0, r0, #1 ++; V81M-LE-NEXT: rsbs r0, r0, #0 ++; V81M-BE-NEXT: movs r1, #0 ++; V81M-BE-NEXT: sub.w r0, r1, r0, lsr #24 ++; V81M-COMMON-NEXT: sub sp, #4 ++; V81M-COMMON-NEXT: add sp, #16 ++; V81M-COMMON-NEXT: vscclrm {s0, s1, s2, s3, s4, s5, s6, s7, s8, s9, s10, s11, s12, s13, s14, s15, vpr} ++; V81M-COMMON-NEXT: vldr fpcxtns, [sp], #4 ++; V81M-COMMON-NEXT: clrm {r1, r2, r3, r12, apsr} ++; V81M-COMMON-NEXT: bxns lr ++entry: ++ %arg = load i65, ptr %0, align 8 ++ %shr = ashr i65 %arg, 64 ++ %conv = trunc nsw i65 %shr to i32 ++ ret i32 %conv ++} ++ ++define i32 @access_u65(ptr byval(i65) %0) "cmse_nonsecure_entry" { ++; V8M-COMMON-LABEL: access_u65: ++; V8M-COMMON: @ %bb.0: @ %entry ++; V8M-COMMON-NEXT: sub sp, #16 ++; V8M-COMMON-NEXT: stm.w sp, {r0, r1, r2, r3} ++; V8M-LE-NEXT: ldrb.w r0, [sp, #8] ++; V8M-BE-NEXT: lsrs r0, r0, #24 ++; V8M-COMMON-NEXT: add sp, #16 ++; V8M-COMMON-NEXT: mov r1, lr ++; V8M-COMMON-NEXT: mov r2, lr ++; V8M-COMMON-NEXT: mov r3, lr ++; V8M-COMMON-NEXT: mov r12, lr ++; V8M-COMMON-NEXT: msr apsr_nzcvq, lr ++; V8M-COMMON-NEXT: bxns lr ++; ++; V81M-COMMON-LABEL: access_u65: ++; V81M-COMMON: @ %bb.0: @ %entry ++; V81M-COMMON-NEXT: vstr fpcxtns, [sp, #-4]! ++; V81M-COMMON-NEXT: sub sp, #16 ++; V81M-COMMON-NEXT: add sp, #4 ++; V81M-COMMON-NEXT: stm.w sp, {r0, r1, r2, r3} ++; V81M-LE-NEXT: ldrb.w r0, [sp, #8] ++; V81M-BE-NEXT: lsrs r0, r0, #24 ++; V81M-COMMON-NEXT: sub sp, #4 ++; V81M-COMMON-NEXT: add sp, #16 ++; V81M-COMMON-NEXT: vscclrm {s0, s1, s2, s3, s4, s5, s6, s7, s8, s9, s10, s11, s12, s13, s14, s15, vpr} ++; V81M-COMMON-NEXT: vldr fpcxtns, [sp], #4 ++; V81M-COMMON-NEXT: clrm {r1, r2, r3, r12, apsr} ++; V81M-COMMON-NEXT: bxns lr ++entry: ++ %arg = load i65, ptr %0, align 8 ++ %shr = lshr i65 %arg, 64 ++ %conv = trunc nuw nsw i65 %shr to i32 ++ ret i32 %conv ++} diff --git a/meta/recipes-devtools/llvm/llvm_18.1.5.bb b/meta/recipes-devtools/llvm/llvm_18.1.5.bb index 4b6763e580..b03cf1465e 100644 --- a/meta/recipes-devtools/llvm/llvm_18.1.5.bb +++ b/meta/recipes-devtools/llvm/llvm_18.1.5.bb @@ -25,6 +25,7 @@ LLVM_RELEASE = "${PV}" SRC_URI = "https://github.com/llvm/llvm-project/releases/download/llvmorg-${PV}/llvm-project-${PV}.src.tar.xz \ file://0007-llvm-allow-env-override-of-exe-path.patch;striplevel=2 \ file://0001-AsmMatcherEmitter-sort-ClassInfo-lists-by-name-as-we.patch;striplevel=2 \ + file://0002-llvm-Fix-CVE-2024-0151.patch;striplevel=2 \ file://llvm-config \ " SRC_URI[sha256sum] = "3591a52761a7d390ede51af01ea73abfecc4b1d16445f9d019b67a57edd7de56"