[clang] [PAC][clang] Enable `-fptrauth-indirect-gotos` as part of pauthtest ABI (PR #100480)

asl wrote: /cherry-pick 3f6eb13abf643afec17a73448ede380606531226 https://github.com/llvm/llvm-project/pull/100480 ___ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits

[clang] [PAC][clang] Enable `-fptrauth-indirect-gotos` as part of pauthtest ABI (PR #100480)

https://github.com/asl milestoned https://github.com/llvm/llvm-project/pull/100480 ___ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits

[clang] [llvm] [PAC][Driver] Support `pauthtest` ABI for AArch64 Linux triples (PR #97237)

@@ -324,6 +324,9 @@ ARMTargetInfo::ARMTargetInfo(const llvm::Triple &Triple, case llvm::Triple::GNU: setABI("apcs-gnu"); break; +case llvm::Triple::PAuthTest: asl wrote: Do we really need to touch 32-bit ARM? https://github.com/llvm/llvm-p

[clang] [clang] Ensure pointers passed to runtime support functions are correctly signed (PR #98276)

@@ -333,7 +338,8 @@ void CodeGenFunction::registerGlobalDtorWithLLVM(const VarDecl &VD, llvm::FunctionCallee Dtor, llvm::Constant *Addr) { // Create a function which calls the d

[clang] [clang] Ensure pointers passed to runtime support functions are correctly signed (PR #98276)

https://github.com/asl approved this pull request. https://github.com/llvm/llvm-project/pull/98276 ___ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits

[clang] [clang] Ensure pointers passed to runtime support functions are correctly signed (PR #98276)

asl wrote: > I notice the r+, but I haven't fully addressed this feedback - are you > suggesting corrections in a follow up patch, or just conceptually approving > with this PR? :D I think this patch is fine to go as-is. We can re-consider that `MaybeSigned` abstraction further on if it could

[clang] [clang] Implement function pointer signing and authenticated function calls (PR #93906)

@@ -14,10 +14,144 @@ #ifndef LLVM_CLANG_BASIC_POINTERAUTHOPTIONS_H #define LLVM_CLANG_BASIC_POINTERAUTHOPTIONS_H +#include "clang/Basic/LLVM.h" +#include "clang/Basic/LangOptions.h" +#include "llvm/ADT/STLForwardCompat.h" +#include "llvm/Support/ErrorHandling.h" +#include "llv

[clang] [test][PAC][clang] Add missing tests against linux triples (PR #99482)

https://github.com/asl approved this pull request. Thanks! https://github.com/llvm/llvm-project/pull/99482 ___ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits

[clang] [PAC] Fix a crash when signing a pointer to a function with an incomplete enum parameter (PR #99595)

https://github.com/asl approved this pull request. Thanks! https://github.com/llvm/llvm-project/pull/99595 ___ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits

[clang] [PAC] Authenticate function pointers in UBSan type checks (PR #99590)

https://github.com/asl approved this pull request. https://github.com/llvm/llvm-project/pull/99590 ___ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits

[clang] [PAC] Authenticate function pointers in UBSan type checks (PR #99590)

@@ -13,6 +15,8 @@ void fun() {} // ARM: ptrtoint ptr {{.*}} to i32, !nosanitize !5 // ARM: and i32 {{.*}}, -2, !nosanitize !5 // ARM: inttoptr i32 {{.*}} to ptr, !nosanitize !5 +// 64e: %[[STRIPPED:.*]] = ptrtoint ptr {{.*}} to i64, !nosanitize +// 64e: call i64 @llvm

[clang] [PAC] Incorrect codegen for constant global init with polymorphic MI (PR #99741)

https://github.com/asl approved this pull request. Neat! https://github.com/llvm/llvm-project/pull/99741 ___ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits

[clang] [PAC] Incorrect codegen for constant global init with polymorphic MI (PR #99741)

https://github.com/asl closed https://github.com/llvm/llvm-project/pull/99741 ___ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits

[clang] [clang] Implement function pointer signing and authenticated function calls (PR #93906)

asl wrote: @ahatanak Will you please take a look into all these issues? https://github.com/llvm/llvm-project/pull/93906 ___ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits

[clang] [clang][test] Add function type discrimination tests to static destructor tests (PR #99604)

asl wrote: @ojhunt Close or rebase? https://github.com/llvm/llvm-project/pull/99604 ___ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits

[clang] [llvm] [AArch64][PAC] Sign block addresses used in indirectbr. (PR #97647)

asl wrote: FWIW, we are seeing authentication fails when running musl with pauth enabled and this PR. Working on reproducer. https://github.com/llvm/llvm-project/pull/97647 ___ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org

[clang] [llvm] [AArch64][PAC] Sign block addresses used in indirectbr. (PR #97647)

https://github.com/asl requested changes to this pull request. https://github.com/llvm/llvm-project/pull/97647 ___ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits

[clang] [llvm] [AArch64][PAC] Sign block addresses used in indirectbr. (PR #97647)

@@ -10685,6 +10689,26 @@ SDValue AArch64TargetLowering::LowerBR_JT(SDValue Op, return DAG.getNode(ISD::BRIND, DL, MVT::Other, JTInfo, SDValue(Dest, 0)); } +SDValue AArch64TargetLowering::LowerBRIND(SDValue Op, SelectionDAG &DAG) const { + MachineFunction &MF = DAG.getMachi

[clang] [llvm] [PAC][Driver] Support `pauthtest` ABI for AArch64 Linux triples (PR #97237)

asl wrote: Thanks @smithp35 I opened https://github.com/llvm/llvm-project/issues/99950 to track this https://github.com/llvm/llvm-project/pull/97237 ___ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listin

[clang] [PAC] Implement authentication for C++ member function pointers (PR #99576)

https://github.com/asl approved this pull request. Thanks! https://github.com/llvm/llvm-project/pull/99576 ___ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits

[clang] [llvm] [AArch64][PAC] Sign block addresses used in indirectbr. (PR #97647)

@@ -10685,6 +10689,26 @@ SDValue AArch64TargetLowering::LowerBR_JT(SDValue Op, return DAG.getNode(ISD::BRIND, DL, MVT::Other, JTInfo, SDValue(Dest, 0)); } +SDValue AArch64TargetLowering::LowerBRIND(SDValue Op, SelectionDAG &DAG) const { + MachineFunction &MF = DAG.getMachi

[clang] [llvm] [AArch64][PAC] Sign block addresses used in indirectbr. (PR #97647)

https://github.com/asl approved this pull request. https://github.com/llvm/llvm-project/pull/97647 ___ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits

[clang] [clang] Add test for CWG2486 (`noexcept` and function pointer conversion) (PR #107131)

https://github.com/asl approved this pull request. https://github.com/llvm/llvm-project/pull/107131 ___ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits

[clang] [llvm] [AArch64][PAC] Sign block addresses used in indirectbr. (PR #97647)

asl wrote: > Under the proposed ABI, `&&A-&&B` is actually "sign(A)-sign(B)". Which is a > constant, but not one which can be represented as a relocation (as far as I > know). Right. The difference should be not be signed IMO as stated above. https://github.com/llvm/llvm-project/pull/97647 __

[clang] [clang] Ensure pointers passed to runtime support functions are correctly signed (PR #98276)

@@ -333,7 +338,8 @@ void CodeGenFunction::registerGlobalDtorWithLLVM(const VarDecl &VD, llvm::FunctionCallee Dtor, llvm::Constant *Addr) { // Create a function which calls the d

[clang] [PAC][clang] Enhance preprocessor ptrauth tests (PR #98862)

https://github.com/asl approved this pull request. Thanks https://github.com/llvm/llvm-project/pull/98862 ___ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits

[clang] [MSP430][Clang] Update list of MCUs (PR #91258)

asl wrote: > The python script should likely be up streamed as well. But where? You could just put into `Target/MSP430`. https://github.com/llvm/llvm-project/pull/91258 ___ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi

[clang] [MSP430][Clang] Update list of MCUs (PR #91258)

https://github.com/asl edited https://github.com/llvm/llvm-project/pull/91258 ___ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits

[clang] [MSP430][Clang] Update list of MCUs (PR #91258)

https://github.com/asl approved this pull request. Thanks! https://github.com/llvm/llvm-project/pull/91258 ___ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits

[clang] [MSP430][Clang] Update list of MCUs (PR #91258)

https://github.com/asl closed https://github.com/llvm/llvm-project/pull/91258 ___ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits

[clang] [libunwind] [libunwind][WebAssembly] Make libunwind compilable (PR #92192)

@@ -20,7 +20,7 @@ .text #endif -#if !defined(__USING_SJLJ_EXCEPTIONS__) +#if !defined(__USING_SJLJ_EXCEPTIONS__) && !defined(__wasm__) asl wrote: You are defining `__USING_WASM_EXCEPTIONS__`. Why you are not using it here and everywhere else? https://gith

[clang] [libunwind] [libunwind][WebAssembly] Make libunwind compilable (PR #92192)

@@ -20,7 +20,7 @@ .text #endif -#if !defined(__USING_SJLJ_EXCEPTIONS__) +#if !defined(__USING_SJLJ_EXCEPTIONS__) && !defined(__wasm__) asl wrote: Ok. Then does the clang change really belong here? `LIBUNWIND_USES_WASM_EXCEPTIONS` also seems to be unused.

[clang] [libunwind] [libunwind][WebAssembly] Make libunwind compilable (PR #92192)

https://github.com/asl approved this pull request. Ok from the generic point of view. I cannot judge if wasm-related part is ok though :) https://github.com/llvm/llvm-project/pull/92192 ___ cfe-commits mailing list cfe-commits@lists.llvm.org https://l

[clang] [llvm] Revert "demangle function names in trace files (#87626)" (PR #102274)

asl wrote: @tru @nikic @MaskRay should this be backported to 19 release branch? https://github.com/llvm/llvm-project/pull/102274 ___ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits

[clang] [clang] Wire -fptrauth-returns to "ptrauth-returns" fn attribute. (PR #102416)

https://github.com/asl approved this pull request. https://github.com/llvm/llvm-project/pull/102416 ___ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits

[clang] [clang] Implement -fptrauth-auth-traps. (PR #102417)

https://github.com/asl approved this pull request. https://github.com/llvm/llvm-project/pull/102417 ___ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits

[clang] [llvm] [PAC][ELF][AArch64] Encode several ptrauth features in PAuth core info (PR #102508)

https://github.com/asl approved this pull request. https://github.com/llvm/llvm-project/pull/102508 ___ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits

[clang] [llvm] [PAC][ELF][AArch64] Encode several ptrauth features in PAuth core info (PR #102508)

asl wrote: But please wait for @MaskRay or other reviwers https://github.com/llvm/llvm-project/pull/102508 ___ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits

[clang] [PAC][clang][Driver] Add signed GOT flag (PR #96160)

asl wrote: > Do we want a lot of `-fptrauth-xxx` instead of > `-fptrauth-something=xxx,yyy,zzz`? I would lean towards a single flag. However, I do not know how this would affect Apple downstream and what are preferences there. Tagging @ahmedbougacha @ahatanak @ojhunt https://github.com/llv

[clang] [compiler-rt] [llvm] [PAC][AArch64] Support init/fini array signing (PR #96478)

asl wrote: Can we have LLVM IR test as well? https://github.com/llvm/llvm-project/pull/96478 ___ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits

[clang] [PAC][Driver] Add `-faarch64-jump-table-hardening` flag (PR #113149)

asl wrote: This looks reasonable to me. @ahmedbougacha @ahatanak any objections? https://github.com/llvm/llvm-project/pull/113149 ___ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits

[clang] [libcxx] Revert "[libc++][modules] Rewrite the modulemap to have fewer top-level modules (#107638)" (PR #110384)

asl wrote: @llvm-beanz The changes to clang/include/clang/AST/Expr.h seems to be unrelated, no? https://github.com/llvm/llvm-project/pull/110384 ___ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cf

[clang] [PAC] Re-sign a pointer to a noexcept member function when it is converted to a pointer to a member function without noexcept (PR #109056)

https://github.com/asl approved this pull request. This looks good to me, thanks! https://github.com/llvm/llvm-project/pull/109056 ___ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits

[libunwind] [libunwind][AArch64] Protect PC within libunwind's context. (PR #113368)

@@ -1845,8 +1884,14 @@ class _LIBUNWIND_HIDDEN Registers_arm64 { uint64_t getSP() const { return _registers.__sp; } void setSP(uint64_t value) { _registers.__sp = value; } - uint64_t getIP() const { return _registers.__pc; } - void setIP(uint6

[clang] [MSP430] Default to unsigned char (PR #115964)

https://github.com/asl closed https://github.com/llvm/llvm-project/pull/115964 ___ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits

[clang] [MSP430] Default to unsigned char (PR #115964)

https://github.com/asl approved this pull request. Thanks! https://github.com/llvm/llvm-project/pull/115964 ___ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits

[clang] [PAC] Do not support some values of branch-protection with ptrauth-returns (PR #125280)

https://github.com/asl milestoned https://github.com/llvm/llvm-project/pull/125280 ___ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits

[clang] [PAC] Do not support some values of branch-protection with ptrauth-returns (PR #125280)

asl wrote: /cherry-pick https://github.com/llvm/llvm-project/commit/84b0c128a751acfbf5b439edc724ba27d1da653e https://github.com/llvm/llvm-project/pull/125280 ___ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailma

[clang] [PAC] Ignore noexcept on function type when computing discriminator of member function pointers (PR #109056)

asl wrote: Looks like ignoring `noexcept` made the everything even more cleaner :) https://github.com/llvm/llvm-project/pull/109056 ___ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits

[clang] [libc] [libcxx] [lldb] [llvm] [doc] Add Discord invite link alongside channel links (PR #126352)

@@ -12,7 +12,8 @@ The LLVM C Library LLVM-libc is not fully complete right now. Some programs may fail to build due to missing functions. If you would like to help us finish LLVM-libc, check out "`Contributing to the libc project `__" in the sidebar - or ask on `discord

[clang] [clang] Add builtin_get_vtable_pointer and virtual_member_address (PR #135469)

@@ -0,0 +1,41 @@ +// RUN: %clang_cc1 -triple arm64e-apple-ios -fptrauth-calls -emit-llvm -no-enable-noundef-analysis -o - %s | FileCheck %s --check-prefixes CHECK,CHECK-AUTH +// RUN: %clang_cc1 -triple arm64-apple-ios -emit-llvm -no-enable-noundef-analysis -o - %s | FileCheck %

[clang] [PAC] Add support for __ptrauth type qualifier (PR #100830)

@@ -803,17 +809,18 @@ class Qualifiers { static_assert(sizeof(PointerAuthQualifier) == sizeof(uint32_t), "PointerAuthQualifier must be 32 bits"); + static constexpr uint64_t PtrAuthShift = 32; + static constexpr uint64_t PtrAuthMask = uint64_t(0x) <

[clang] [AArch64][FMV] Enable PAuth and BTI hardening of resolver functions (PR #141573)

https://github.com/asl milestoned https://github.com/llvm/llvm-project/pull/141573 ___ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits

[clang] [AArch64][FMV] Enable PAuth and BTI hardening of resolver functions (PR #141573)

https://github.com/asl demilestoned https://github.com/llvm/llvm-project/pull/141573 ___ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits

[clang] [PAuth] Use different discriminators for __int128_t / __uint128_t / _BitInt(n) (PR #140276)

https://github.com/asl demilestoned https://github.com/llvm/llvm-project/pull/140276 ___ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits

[clang] [clang][ptrauth] Add support for querying the ptrauth schema of a type (PR #138482)

https://github.com/asl demilestoned https://github.com/llvm/llvm-project/pull/138482 ___ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits

[clang] [clang][PAC] add support for options parameter to __ptrauth (PR #136828)

https://github.com/asl demilestoned https://github.com/llvm/llvm-project/pull/136828 ___ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits

[compiler-rt] [libcxxabi] [libunwind] [runtimes][PAC] Harden unwinding when possible (#138571) (PR #143230)

@@ -681,7 +681,18 @@ DEFINE_LIBUNWIND_FUNCTION(__libunwind_Registers_arm64_jumpto) // context struct, because it is allocated on the stack, and an exception // could clobber the de-allocated portion of the stack after sp has been // restored. - ldrx16, [x0, #0x0

[compiler-rt] [libcxxabi] [libunwind] [runtimes][PAC] Harden unwinding when possible (#138571) (PR #143230)

asl wrote: > The fact I'm worried about is whether implicit signing and authentication on > accesses to `__ptrauth`-qualified fields may introduce signing or > authentication oracles usable by an attacker, since many values stored to > these fields are initially non-signed. This is possibly mi

[clang] [PAuth] Use different discriminators for __int128_t / __uint128_t / _BitInt(n) (PR #140276)

https://github.com/asl milestoned https://github.com/llvm/llvm-project/pull/140276 ___ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits

[clang] [clang][ptrauth] Add support for querying the ptrauth schema of a type (PR #138482)

https://github.com/asl milestoned https://github.com/llvm/llvm-project/pull/138482 ___ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits

[clang] [clang][PAC] Add __builtin_get_vtable_pointer (PR #139790)

https://github.com/asl milestoned https://github.com/llvm/llvm-project/pull/139790 ___ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits

[clang] [clang][PAC] add support for options parameter to __ptrauth (PR #136828)

https://github.com/asl milestoned https://github.com/llvm/llvm-project/pull/136828 ___ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits

[clang] [PAuth] Use different discriminators for __int128_t / __uint128_t / _BitInt(n) (PR #140276)

https://github.com/asl updated https://github.com/llvm/llvm-project/pull/140276 >From 21d2b2da72d9e8f3994cb913a86c093212bb8711 Mon Sep 17 00:00:00 2001 From: Anton Korobeynikov Date: Fri, 16 May 2025 19:25:57 +0300 Subject: [PATCH 1/2] [PAuth] Use different discriminators for __int128_t / __uin

[clang] [PAuth] Use different discriminators for __int128_t / __uint128_t / _BitInt(n) (PR #140276)

https://github.com/asl updated https://github.com/llvm/llvm-project/pull/140276 >From 21d2b2da72d9e8f3994cb913a86c093212bb8711 Mon Sep 17 00:00:00 2001 From: Anton Korobeynikov Date: Fri, 16 May 2025 19:25:57 +0300 Subject: [PATCH 1/2] [PAuth] Use different discriminators for __int128_t / __uin

[clang] [PAuth] Use different discriminators for __int128_t / __uint128_t / _BitInt(n) (PR #140276)

https://github.com/asl created https://github.com/llvm/llvm-project/pull/140276 compared to other integer types when computing function pointer type discriminator. These parameter types have different parameter passing ABI as compared to ordinary integer types (e.g. require 2 registers instead

[clang] [PAuth] Use different discriminators for __int128_t / __uint128_t / _BitInt(n) (PR #140276)

@@ -3383,21 +3383,27 @@ static void encodeTypeForFunctionPointerAuth(const ASTContext &Ctx, // Don't bother discriminating based on these types. case Type::Pipe: - case Type::BitInt: case Type::ConstantMatrix: OS << "?"; return; + case Type::BitInt: { +

[libunwind] [libunwind][AArch64] Protect PC within libunwind's context. (PR #113368)

@@ -1823,9 +1826,127 @@ extern "C" void *__libunwind_shstk_get_jump_target() { #endif class _LIBUNWIND_HIDDEN Registers_arm64 { + struct GPRs; + +private: + /// The program counter is used effectively as a return address + /// when the context is restored therefore protect

[libunwind] [libunwind][AArch64] Protect PC within libunwind's context. (PR #113368)

@@ -1845,8 +1986,14 @@ class _LIBUNWIND_HIDDEN Registers_arm64 { uint64_t getSP() const { return _registers.__sp; } void setSP(uint64_t value) { _registers.__sp = value; } - uint64_t getIP() const { return _registers.__pc; } - void setIP(uint6

[compiler-rt] [libcxxabi] [libunwind] [runtimes][PAC] Harden unwinding when possible (#138571) (PR #143230)

asl wrote: @kovdan01 @atrosinenko Please take a look https://github.com/llvm/llvm-project/pull/143230 ___ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits

[clang] [NFC][Clang][Docs] Update Pointer Authentication documentation (PR #152596)

https://github.com/asl edited https://github.com/llvm/llvm-project/pull/152596 ___ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits

[clang] [NFC][Clang][Docs] Update Pointer Authentication documentation (PR #152596)

@@ -163,14 +163,20 @@ a cryptographic signature, other implementations may be possible. See data is simply a pepper added to the hash, not an encryption key, and so can be initialized using random data. + *** FIXME *** fpac? asl wrote: Looks like it

[clang] [NFC][Clang][Docs] Update Pointer Authentication documentation (PR #152596)

@@ -500,7 +708,884 @@ type. Implementations are not required to make all bits of the result equally significant; in particular, some implementations are known to not leave meaningful data in the low bits. +Standard ``__ptrauth`` qualifiers +^

[clang] [NFC][Clang][Docs] Update Pointer Authentication documentation (PR #152596)

https://github.com/asl commented: Looks great to me! Couple of minor things. Tagging @atrosinenko @kbeyls @smithp35 for visibility https://github.com/llvm/llvm-project/pull/152596 ___ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.l

[clang] [clang][PAC] Enable the PAC dynamic_cast to final class optimization (PR #152601)

https://github.com/asl approved this pull request. Needs rebase just in case https://github.com/llvm/llvm-project/pull/152601 ___ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits

[clang] [PAC][clang] Add new features to pauthtest ABI (PR #113150)

https://github.com/asl approved this pull request. I believe these are fine. The options are already here, this does not add new ones, it just forwards the existing ones to the pauth on ELF logic (the other existing uses were in Darwin part of the driver) https://github.com/llvm/llvm-project/p

<    1   2