svn commit: r351404 - in projects/clang900-import/contrib/libunwind: . include include/mach-o src
Dimitry Andric
dim at FreeBSD.org
Thu Aug 22 20:15:02 UTC 2019
Author: dim
Date: Thu Aug 22 20:14:59 2019
New Revision: 351404
URL: https://svnweb.freebsd.org/changeset/base/351404
Log:
Merge libunwind trunk r366426, resolve conflicts, and add FREEBSD-Xlist.
Added:
projects/clang900-import/contrib/libunwind/FREEBSD-Xlist (contents, props changed)
Modified:
projects/clang900-import/contrib/libunwind/LICENSE.TXT
projects/clang900-import/contrib/libunwind/include/__libunwind_config.h
projects/clang900-import/contrib/libunwind/include/libunwind.h
projects/clang900-import/contrib/libunwind/include/mach-o/compact_unwind_encoding.h
projects/clang900-import/contrib/libunwind/include/unwind.h
projects/clang900-import/contrib/libunwind/src/AddressSpace.hpp
projects/clang900-import/contrib/libunwind/src/CompactUnwinder.hpp
projects/clang900-import/contrib/libunwind/src/DwarfInstructions.hpp
projects/clang900-import/contrib/libunwind/src/DwarfParser.hpp
projects/clang900-import/contrib/libunwind/src/EHHeaderParser.hpp
projects/clang900-import/contrib/libunwind/src/RWMutex.hpp
projects/clang900-import/contrib/libunwind/src/Registers.hpp
projects/clang900-import/contrib/libunwind/src/Unwind-EHABI.cpp
projects/clang900-import/contrib/libunwind/src/Unwind-EHABI.h
projects/clang900-import/contrib/libunwind/src/Unwind-seh.cpp
projects/clang900-import/contrib/libunwind/src/Unwind-sjlj.c
projects/clang900-import/contrib/libunwind/src/UnwindCursor.hpp
projects/clang900-import/contrib/libunwind/src/UnwindLevel1-gcc-ext.c
projects/clang900-import/contrib/libunwind/src/UnwindLevel1.c
projects/clang900-import/contrib/libunwind/src/UnwindRegistersRestore.S
projects/clang900-import/contrib/libunwind/src/UnwindRegistersSave.S
projects/clang900-import/contrib/libunwind/src/Unwind_AppleExtras.cpp
projects/clang900-import/contrib/libunwind/src/assembly.h
projects/clang900-import/contrib/libunwind/src/config.h
projects/clang900-import/contrib/libunwind/src/dwarf2.h
projects/clang900-import/contrib/libunwind/src/libunwind.cpp
projects/clang900-import/contrib/libunwind/src/libunwind_ext.h
Directory Properties:
projects/clang900-import/contrib/libunwind/ (props changed)
Added: projects/clang900-import/contrib/libunwind/FREEBSD-Xlist
==============================================================================
--- /dev/null 00:00:00 1970 (empty, because file is newly added)
+++ projects/clang900-import/contrib/libunwind/FREEBSD-Xlist Thu Aug 22 20:14:59 2019 (r351404)
@@ -0,0 +1,11 @@
+# $FreeBSD$
+.arcconfig
+.clang-format
+CMakeLists.txt
+cmake
+cmake/
+docs
+docs/
+src/CMakeLists.txt
+test
+test/
Modified: projects/clang900-import/contrib/libunwind/LICENSE.TXT
==============================================================================
--- projects/clang900-import/contrib/libunwind/LICENSE.TXT Thu Aug 22 20:09:32 2019 (r351403)
+++ projects/clang900-import/contrib/libunwind/LICENSE.TXT Thu Aug 22 20:14:59 2019 (r351404)
@@ -1,5 +1,240 @@
==============================================================================
-libunwind License
+The LLVM Project is under the Apache License v2.0 with LLVM Exceptions:
+==============================================================================
+
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+==============================================================================
+Legacy LLVM License (https://llvm.org/docs/DeveloperPolicy.html#legacy):
==============================================================================
The libunwind library is dual licensed under both the University of Illinois
Modified: projects/clang900-import/contrib/libunwind/include/__libunwind_config.h
==============================================================================
--- projects/clang900-import/contrib/libunwind/include/__libunwind_config.h Thu Aug 22 20:09:32 2019 (r351403)
+++ projects/clang900-import/contrib/libunwind/include/__libunwind_config.h Thu Aug 22 20:14:59 2019 (r351404)
@@ -1,9 +1,8 @@
//===------------------------- __libunwind_config.h -----------------------===//
//
-// The LLVM Compiler Infrastructure
-//
-// This file is dual licensed under the MIT and the University of Illinois Open
-// Source Licenses. See LICENSE.TXT for details.
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
Modified: projects/clang900-import/contrib/libunwind/include/libunwind.h
==============================================================================
--- projects/clang900-import/contrib/libunwind/include/libunwind.h Thu Aug 22 20:09:32 2019 (r351403)
+++ projects/clang900-import/contrib/libunwind/include/libunwind.h Thu Aug 22 20:14:59 2019 (r351404)
@@ -1,11 +1,10 @@
//===---------------------------- libunwind.h -----------------------------===//
//
-// The LLVM Compiler Infrastructure
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
-// This file is dual licensed under the MIT and the University of Illinois Open
-// Source Licenses. See LICENSE.TXT for details.
//
-//
// Compatible with libunwind API documented at:
// http://www.nongnu.org/libunwind/man/libunwind(3).html
//
@@ -76,7 +75,7 @@ typedef struct unw_addr_space *unw_addr_space_t;
typedef int unw_regnum_t;
typedef uintptr_t unw_word_t;
-#if defined(__arm__)
+#if defined(__arm__) && !defined(__ARM_DWARF_EH__)
typedef uint64_t unw_fpreg_t;
#else
typedef double unw_fpreg_t;
@@ -124,32 +123,6 @@ extern int unw_get_proc_name(unw_cursor_t *, char *, s
//extern int unw_get_save_loc(unw_cursor_t*, int, unw_save_loc_t*);
extern unw_addr_space_t unw_local_addr_space;
-
-#ifdef UNW_REMOTE
-/*
- * Mac OS X "remote" API for unwinding other processes on same machine
- *
- */
-extern unw_addr_space_t unw_create_addr_space_for_task(task_t);
-extern void unw_destroy_addr_space(unw_addr_space_t);
-extern int unw_init_remote_thread(unw_cursor_t *, unw_addr_space_t, thread_t *);
-#endif /* UNW_REMOTE */
-
-/*
- * traditional libunwind "remote" API
- * NOT IMPLEMENTED on Mac OS X
- *
- * extern int unw_init_remote(unw_cursor_t*, unw_addr_space_t,
- * thread_t*);
- * extern unw_accessors_t unw_get_accessors(unw_addr_space_t);
- * extern unw_addr_space_t unw_create_addr_space(unw_accessors_t, int);
- * extern void unw_flush_cache(unw_addr_space_t, unw_word_t,
- * unw_word_t);
- * extern int unw_set_caching_policy(unw_addr_space_t,
- * unw_caching_policy_t);
- * extern void _U_dyn_register(unw_dyn_info_t*);
- * extern void _U_dyn_cancel(unw_dyn_info_t*);
- */
#ifdef __cplusplus
}
Modified: projects/clang900-import/contrib/libunwind/include/mach-o/compact_unwind_encoding.h
==============================================================================
--- projects/clang900-import/contrib/libunwind/include/mach-o/compact_unwind_encoding.h Thu Aug 22 20:09:32 2019 (r351403)
+++ projects/clang900-import/contrib/libunwind/include/mach-o/compact_unwind_encoding.h Thu Aug 22 20:14:59 2019 (r351404)
@@ -1,9 +1,8 @@
//===------------------ mach-o/compact_unwind_encoding.h ------------------===//
//
-// The LLVM Compiler Infrastructure
-//
-// This file is dual licensed under the MIT and the University of Illinois Open
-// Source Licenses. See LICENSE.TXT for details.
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//
// Darwin's alternative to DWARF based unwind encodings.
Modified: projects/clang900-import/contrib/libunwind/include/unwind.h
==============================================================================
--- projects/clang900-import/contrib/libunwind/include/unwind.h Thu Aug 22 20:09:32 2019 (r351403)
+++ projects/clang900-import/contrib/libunwind/include/unwind.h Thu Aug 22 20:14:59 2019 (r351404)
@@ -1,13 +1,12 @@
//===------------------------------- unwind.h -----------------------------===//
//
-// The LLVM Compiler Infrastructure
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
-// This file is dual licensed under the MIT and the University of Illinois Open
-// Source Licenses. See LICENSE.TXT for details.
//
-//
// C++ ABI Level 1 ABI documented at:
-// http://mentorembedded.github.io/cxx-abi/abi-eh.html
+// https://itanium-cxx-abi.github.io/cxx-abi/abi-eh.html
//
//===----------------------------------------------------------------------===//
Modified: projects/clang900-import/contrib/libunwind/src/AddressSpace.hpp
==============================================================================
--- projects/clang900-import/contrib/libunwind/src/AddressSpace.hpp Thu Aug 22 20:09:32 2019 (r351403)
+++ projects/clang900-import/contrib/libunwind/src/AddressSpace.hpp Thu Aug 22 20:14:59 2019 (r351404)
@@ -1,11 +1,10 @@
//===------------------------- AddressSpace.hpp ---------------------------===//
//
-// The LLVM Compiler Infrastructure
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
-// This file is dual licensed under the MIT and the University of Illinois Open
-// Source Licenses. See LICENSE.TXT for details.
//
-//
// Abstracts accessing local vs remote address spaces.
//
//===----------------------------------------------------------------------===//
@@ -28,7 +27,10 @@
#if _LIBUNWIND_USE_DLADDR
#include <dlfcn.h>
+#if defined(__unix__) && defined(__ELF__) && defined(_LIBUNWIND_HAS_COMMENT_LIB_PRAGMA)
+#pragma comment(lib, "dl")
#endif
+#endif
#ifdef __APPLE__
#include <mach-o/getsect.h>
@@ -457,6 +459,8 @@ inline bool LocalAddressSpace::findUnwindSections(pint
#elif defined(_LIBUNWIND_SUPPORT_SEH_UNWIND) && defined(_WIN32)
// Don't even bother, since Windows has functions that do all this stuff
// for us.
+ (void)targetAddr;
+ (void)info;
return true;
#elif defined(_LIBUNWIND_ARM_EHABI) && defined(__BIONIC__) && \
(__ANDROID_API__ < 21)
@@ -597,141 +601,14 @@ inline bool LocalAddressSpace::findFunctionName(pint_t
return true;
}
}
+#else
+ (void)addr;
+ (void)buf;
+ (void)bufLen;
+ (void)offset;
#endif
return false;
}
-
-
-
-#ifdef UNW_REMOTE
-
-/// RemoteAddressSpace is used as a template parameter to UnwindCursor when
-/// unwinding a thread in the another process. The other process can be a
-/// different endianness and a different pointer size which is handled by
-/// the P template parameter.
-template <typename P>
-class RemoteAddressSpace {
-public:
- RemoteAddressSpace(task_t task) : fTask(task) {}
-
- typedef typename P::uint_t pint_t;
-
- uint8_t get8(pint_t addr);
- uint16_t get16(pint_t addr);
- uint32_t get32(pint_t addr);
- uint64_t get64(pint_t addr);
- pint_t getP(pint_t addr);
- uint64_t getRegister(pint_t addr);
- uint64_t getULEB128(pint_t &addr, pint_t end);
- int64_t getSLEB128(pint_t &addr, pint_t end);
- pint_t getEncodedP(pint_t &addr, pint_t end, uint8_t encoding,
- pint_t datarelBase = 0);
- bool findFunctionName(pint_t addr, char *buf, size_t bufLen,
- unw_word_t *offset);
- bool findUnwindSections(pint_t targetAddr, UnwindInfoSections &info);
- bool findOtherFDE(pint_t targetAddr, pint_t &fde);
-private:
- void *localCopy(pint_t addr);
-
- task_t fTask;
-};
-
-template <typename P> uint8_t RemoteAddressSpace<P>::get8(pint_t addr) {
- return *((uint8_t *)localCopy(addr));
-}
-
-template <typename P> uint16_t RemoteAddressSpace<P>::get16(pint_t addr) {
- return P::E::get16(*(uint16_t *)localCopy(addr));
-}
-
-template <typename P> uint32_t RemoteAddressSpace<P>::get32(pint_t addr) {
- return P::E::get32(*(uint32_t *)localCopy(addr));
-}
-
-template <typename P> uint64_t RemoteAddressSpace<P>::get64(pint_t addr) {
- return P::E::get64(*(uint64_t *)localCopy(addr));
-}
-
-template <typename P>
-typename P::uint_t RemoteAddressSpace<P>::getP(pint_t addr) {
- return P::getP(*(uint64_t *)localCopy(addr));
-}
-
-template <typename P>
-typename P::uint_t OtherAddressSpace<P>::getRegister(pint_t addr) {
- return P::getRegister(*(uint64_t *)localCopy(addr));
-}
-
-template <typename P>
-uint64_t OtherAddressSpace<P>::getULEB128(pint_t &addr, pint_t end) {
- uintptr_t size = (end - addr);
- LocalAddressSpace::pint_t laddr = (LocalAddressSpace::pint_t) localCopy(addr);
- LocalAddressSpace::pint_t sladdr = laddr;
- uint64_t result = LocalAddressSpace::getULEB128(laddr, laddr + size);
- addr += (laddr - sladdr);
- return result;
-}
-
-template <typename P>
-int64_t RemoteAddressSpace<P>::getSLEB128(pint_t &addr, pint_t end) {
- uintptr_t size = (end - addr);
- LocalAddressSpace::pint_t laddr = (LocalAddressSpace::pint_t) localCopy(addr);
- LocalAddressSpace::pint_t sladdr = laddr;
- uint64_t result = LocalAddressSpace::getSLEB128(laddr, laddr + size);
- addr += (laddr - sladdr);
- return result;
-}
-
-template <typename P> void *RemoteAddressSpace<P>::localCopy(pint_t addr) {
- // FIX ME
-}
-
-template <typename P>
-bool RemoteAddressSpace<P>::findFunctionName(pint_t addr, char *buf,
- size_t bufLen,
- unw_word_t *offset) {
- // FIX ME
-}
-
-/// unw_addr_space is the base class that abstract unw_addr_space_t type in
-/// libunwind.h points to.
-struct unw_addr_space {
- cpu_type_t cpuType;
- task_t taskPort;
-};
-
-/// unw_addr_space_i386 is the concrete instance that a unw_addr_space_t points
-/// to when examining
-/// a 32-bit intel process.
-struct unw_addr_space_i386 : public unw_addr_space {
- unw_addr_space_i386(task_t task) : oas(task) {}
- RemoteAddressSpace<Pointer32<LittleEndian>> oas;
-};
-
-/// unw_addr_space_x86_64 is the concrete instance that a unw_addr_space_t
-/// points to when examining
-/// a 64-bit intel process.
-struct unw_addr_space_x86_64 : public unw_addr_space {
- unw_addr_space_x86_64(task_t task) : oas(task) {}
- RemoteAddressSpace<Pointer64<LittleEndian>> oas;
-};
-
-/// unw_addr_space_ppc is the concrete instance that a unw_addr_space_t points
-/// to when examining
-/// a 32-bit PowerPC process.
-struct unw_addr_space_ppc : public unw_addr_space {
- unw_addr_space_ppc(task_t task) : oas(task) {}
- RemoteAddressSpace<Pointer32<BigEndian>> oas;
-};
-
-/// unw_addr_space_ppc is the concrete instance that a unw_addr_space_t points
-/// to when examining a 64-bit PowerPC process.
-struct unw_addr_space_ppc64 : public unw_addr_space {
- unw_addr_space_ppc64(task_t task) : oas(task) {}
- RemoteAddressSpace<Pointer64<LittleEndian>> oas;
-};
-
-#endif // UNW_REMOTE
} // namespace libunwind
Modified: projects/clang900-import/contrib/libunwind/src/CompactUnwinder.hpp
==============================================================================
--- projects/clang900-import/contrib/libunwind/src/CompactUnwinder.hpp Thu Aug 22 20:09:32 2019 (r351403)
+++ projects/clang900-import/contrib/libunwind/src/CompactUnwinder.hpp Thu Aug 22 20:14:59 2019 (r351404)
@@ -1,9 +1,8 @@
//===-------------------------- CompactUnwinder.hpp -----------------------===//
//
-// The LLVM Compiler Infrastructure
-//
-// This file is dual licensed under the MIT and the University of Illinois Open
-// Source Licenses. See LICENSE.TXT for details.
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//
// Does runtime stack unwinding using compact unwind encodings.
Modified: projects/clang900-import/contrib/libunwind/src/DwarfInstructions.hpp
==============================================================================
--- projects/clang900-import/contrib/libunwind/src/DwarfInstructions.hpp Thu Aug 22 20:09:32 2019 (r351403)
+++ projects/clang900-import/contrib/libunwind/src/DwarfInstructions.hpp Thu Aug 22 20:14:59 2019 (r351404)
@@ -1,11 +1,10 @@
//===-------------------------- DwarfInstructions.hpp ---------------------===//
//
-// The LLVM Compiler Infrastructure
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
-// This file is dual licensed under the MIT and the University of Illinois Open
-// Source Licenses. See LICENSE.TXT for details.
//
-//
// Processor specific interpretation of DWARF unwind info.
//
//===----------------------------------------------------------------------===//
@@ -82,12 +81,11 @@ typename A::pint_t DwarfInstructions<A, R>::getSavedRe
const RegisterLocation &savedReg) {
switch (savedReg.location) {
case CFI_Parser<A>::kRegisterInCFA:
- return addressSpace.getRegister(cfa + (pint_t)savedReg.value);
+ return (pint_t)addressSpace.getRegister(cfa + (pint_t)savedReg.value);
case CFI_Parser<A>::kRegisterAtExpression:
- return addressSpace.getRegister(
- evaluateExpression((pint_t)savedReg.value, addressSpace,
- registers, cfa));
+ return (pint_t)addressSpace.getRegister(evaluateExpression(
+ (pint_t)savedReg.value, addressSpace, registers, cfa));
case CFI_Parser<A>::kRegisterIsExpression:
return evaluateExpression((pint_t)savedReg.value, addressSpace,
Modified: projects/clang900-import/contrib/libunwind/src/DwarfParser.hpp
==============================================================================
--- projects/clang900-import/contrib/libunwind/src/DwarfParser.hpp Thu Aug 22 20:09:32 2019 (r351403)
+++ projects/clang900-import/contrib/libunwind/src/DwarfParser.hpp Thu Aug 22 20:14:59 2019 (r351404)
@@ -1,9 +1,8 @@
//===--------------------------- DwarfParser.hpp --------------------------===//
//
-// The LLVM Compiler Infrastructure
-//
-// This file is dual licensed under the MIT and the University of Illinois Open
-// Source Licenses. See LICENSE.TXT for details.
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//
// Parses DWARF CFIs (FDEs and CIEs).
Modified: projects/clang900-import/contrib/libunwind/src/EHHeaderParser.hpp
==============================================================================
--- projects/clang900-import/contrib/libunwind/src/EHHeaderParser.hpp Thu Aug 22 20:09:32 2019 (r351403)
+++ projects/clang900-import/contrib/libunwind/src/EHHeaderParser.hpp Thu Aug 22 20:14:59 2019 (r351404)
@@ -1,9 +1,8 @@
//===------------------------- EHHeaderParser.hpp -------------------------===//
//
-// The LLVM Compiler Infrastructure
-//
-// This file is dual licensed under the MIT and the University of Illinois Open
-// Source Licenses. See LICENSE.TXT for details.
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//
// Parses ELF .eh_frame_hdr sections.
Modified: projects/clang900-import/contrib/libunwind/src/RWMutex.hpp
==============================================================================
--- projects/clang900-import/contrib/libunwind/src/RWMutex.hpp Thu Aug 22 20:09:32 2019 (r351403)
+++ projects/clang900-import/contrib/libunwind/src/RWMutex.hpp Thu Aug 22 20:14:59 2019 (r351404)
@@ -1,11 +1,10 @@
//===----------------------------- Registers.hpp --------------------------===//
//
-// The LLVM Compiler Infrastructure
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
-// This file is dual licensed under the MIT and the University of Illinois Open
-// Source Licenses. See LICENSE.TXT for details.
//
-//
// Abstract interface to shared reader/writer log, hiding platform and
// configuration differences.
//
@@ -18,7 +17,10 @@
#include <windows.h>
#elif !defined(_LIBUNWIND_HAS_NO_THREADS)
#include <pthread.h>
+#if defined(__unix__) && defined(__ELF__) && defined(_LIBUNWIND_HAS_COMMENT_LIB_PRAGMA)
+#pragma comment(lib, "pthread")
#endif
+#endif
namespace libunwind {
@@ -57,14 +59,49 @@ class _LIBUNWIND_HIDDEN RWMutex { (private)
SRWLOCK _lock = SRWLOCK_INIT;
};
-#else
+#elif !defined(LIBUNWIND_USE_WEAK_PTHREAD)
class _LIBUNWIND_HIDDEN RWMutex {
public:
- bool lock_shared() { return pthread_rwlock_rdlock(&_lock) == 0; }
+ bool lock_shared() { return pthread_rwlock_rdlock(&_lock) == 0; }
bool unlock_shared() { return pthread_rwlock_unlock(&_lock) == 0; }
bool lock() { return pthread_rwlock_wrlock(&_lock) == 0; }
bool unlock() { return pthread_rwlock_unlock(&_lock) == 0; }
+
+private:
+ pthread_rwlock_t _lock = PTHREAD_RWLOCK_INITIALIZER;
+};
+
+#else
+
+extern "C" int __attribute__((weak))
+pthread_create(pthread_t *thread, const pthread_attr_t *attr,
+ void *(*start_routine)(void *), void *arg);
+extern "C" int __attribute__((weak))
+pthread_rwlock_rdlock(pthread_rwlock_t *lock);
+extern "C" int __attribute__((weak))
+pthread_rwlock_wrlock(pthread_rwlock_t *lock);
+extern "C" int __attribute__((weak))
+pthread_rwlock_unlock(pthread_rwlock_t *lock);
+
+// Calls to the locking functions are gated on pthread_create, and not the
+// functions themselves, because the data structure should only be locked if
+// another thread has been created. This is what similar libraries do.
+
+class _LIBUNWIND_HIDDEN RWMutex {
+public:
+ bool lock_shared() {
+ return !pthread_create || (pthread_rwlock_rdlock(&_lock) == 0);
+ }
+ bool unlock_shared() {
+ return !pthread_create || (pthread_rwlock_unlock(&_lock) == 0);
+ }
+ bool lock() {
+ return !pthread_create || (pthread_rwlock_wrlock(&_lock) == 0);
+ }
+ bool unlock() {
+ return !pthread_create || (pthread_rwlock_unlock(&_lock) == 0);
+ }
private:
pthread_rwlock_t _lock = PTHREAD_RWLOCK_INITIALIZER;
Modified: projects/clang900-import/contrib/libunwind/src/Registers.hpp
==============================================================================
--- projects/clang900-import/contrib/libunwind/src/Registers.hpp Thu Aug 22 20:09:32 2019 (r351403)
+++ projects/clang900-import/contrib/libunwind/src/Registers.hpp Thu Aug 22 20:14:59 2019 (r351404)
@@ -1,11 +1,10 @@
//===----------------------------- Registers.hpp --------------------------===//
//
-// The LLVM Compiler Infrastructure
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
-// This file is dual licensed under the MIT and the University of Illinois Open
-// Source Licenses. See LICENSE.TXT for details.
//
-//
// Models register sets for supported processors.
//
//===----------------------------------------------------------------------===//
@@ -2105,16 +2104,16 @@ class _LIBUNWIND_HIDDEN Registers_arm { (private)
uint32_t __pc; // Program counter r15
};
- static void saveVFPWithFSTMD(unw_fpreg_t*);
- static void saveVFPWithFSTMX(unw_fpreg_t*);
- static void saveVFPv3(unw_fpreg_t*);
- static void restoreVFPWithFLDMD(unw_fpreg_t*);
- static void restoreVFPWithFLDMX(unw_fpreg_t*);
- static void restoreVFPv3(unw_fpreg_t*);
+ static void saveVFPWithFSTMD(void*);
+ static void saveVFPWithFSTMX(void*);
+ static void saveVFPv3(void*);
+ static void restoreVFPWithFLDMD(void*);
+ static void restoreVFPWithFLDMX(void*);
+ static void restoreVFPv3(void*);
#if defined(__ARM_WMMX)
- static void saveiWMMX(unw_fpreg_t*);
+ static void saveiWMMX(void*);
static void saveiWMMXControl(uint32_t*);
- static void restoreiWMMX(unw_fpreg_t*);
+ static void restoreiWMMX(void*);
static void restoreiWMMXControl(uint32_t*);
#endif
void restoreCoreAndJumpTo();
@@ -2156,7 +2155,7 @@ inline Registers_arm::Registers_arm(const void *regist
_saved_vfp_d16_d31(false) {
static_assert((check_fit<Registers_arm, unw_context_t>::does_fit),
"arm registers do not fit into unw_context_t");
- // See unw_getcontext() note about data.
+ // See __unw_getcontext() note about data.
memcpy(&_registers, registers, sizeof(_registers));
memset(&_vfp_d0_d15_pad, 0, sizeof(_vfp_d0_d15_pad));
memset(&_vfp_d16_d31, 0, sizeof(_vfp_d16_d31));
@@ -2435,7 +2434,7 @@ inline const char *Registers_arm::getRegisterName(int
inline bool Registers_arm::validFloatRegister(int regNum) const {
// NOTE: Consider the intel MMX registers floating points so the
- // unw_get_fpreg can be used to transmit the 64-bit data back.
+ // __unw_get_fpreg can be used to transmit the 64-bit data back.
return ((regNum >= UNW_ARM_D0) && (regNum <= UNW_ARM_D31))
#if defined(__ARM_WMMX)
|| ((regNum >= UNW_ARM_WR0) && (regNum <= UNW_ARM_WR15))
Modified: projects/clang900-import/contrib/libunwind/src/Unwind-EHABI.cpp
==============================================================================
--- projects/clang900-import/contrib/libunwind/src/Unwind-EHABI.cpp Thu Aug 22 20:09:32 2019 (r351403)
+++ projects/clang900-import/contrib/libunwind/src/Unwind-EHABI.cpp Thu Aug 22 20:14:59 2019 (r351404)
@@ -1,11 +1,10 @@
//===--------------------------- Unwind-EHABI.cpp -------------------------===//
//
-// The LLVM Compiler Infrastructure
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
-// This file is dual licensed under the MIT and the University of Illinois Open
-// Source Licenses. See LICENSE.TXT for details.
//
-//
// Implements ARM zero-cost C++ exceptions
//
//===----------------------------------------------------------------------===//
@@ -21,8 +20,6 @@
#include <stdlib.h>
#include <string.h>
-#include <type_traits>
-
#include "config.h"
#include "libunwind.h"
#include "libunwind_ext.h"
@@ -34,7 +31,11 @@ namespace {
// signinficant byte.
uint8_t getByte(const uint32_t* data, size_t offset) {
const uint8_t* byteData = reinterpret_cast<const uint8_t*>(data);
+#ifdef __LITTLE_ENDIAN__
return byteData[(offset & ~(size_t)0x03) + (3 - (offset & (size_t)0x03))];
+#else
+ return byteData[offset];
+#endif
}
const char* getNextWord(const char* data, uint32_t* out) {
@@ -182,7 +183,7 @@ static _Unwind_Reason_Code unwindOneFrame(_Unwind_Stat
if (result != _URC_CONTINUE_UNWIND)
return result;
- if (unw_step(reinterpret_cast<unw_cursor_t*>(context)) != UNW_STEP_SUCCESS)
+ if (__unw_step(reinterpret_cast<unw_cursor_t *>(context)) != UNW_STEP_SUCCESS)
return _URC_FAILURE;
return _URC_CONTINUE_UNWIND;
}
@@ -443,17 +444,18 @@ unwind_phase1(unw_context_t *uc, unw_cursor_t *cursor,
// In this implementation, the phases don't share the VRS backing store.
// Instead, they are passed the original |uc| and they create a new VRS
// from scratch thus achieving the same effect.
- unw_init_local(cursor, uc);
+ __unw_init_local(cursor, uc);
// Walk each frame looking for a place to stop.
for (bool handlerNotFound = true; handlerNotFound;) {
// See if frame has code to run (has personality routine).
unw_proc_info_t frameInfo;
- if (unw_get_proc_info(cursor, &frameInfo) != UNW_ESUCCESS) {
- _LIBUNWIND_TRACE_UNWINDING("unwind_phase1(ex_ojb=%p): unw_get_proc_info "
- "failed => _URC_FATAL_PHASE1_ERROR",
- static_cast<void *>(exception_object));
+ if (__unw_get_proc_info(cursor, &frameInfo) != UNW_ESUCCESS) {
+ _LIBUNWIND_TRACE_UNWINDING(
+ "unwind_phase1(ex_ojb=%p): __unw_get_proc_info "
+ "failed => _URC_FATAL_PHASE1_ERROR",
+ static_cast<void *>(exception_object));
return _URC_FATAL_PHASE1_ERROR;
}
@@ -462,12 +464,12 @@ unwind_phase1(unw_context_t *uc, unw_cursor_t *cursor,
char functionBuf[512];
const char *functionName = functionBuf;
unw_word_t offset;
- if ((unw_get_proc_name(cursor, functionBuf, sizeof(functionBuf),
- &offset) != UNW_ESUCCESS) ||
+ if ((__unw_get_proc_name(cursor, functionBuf, sizeof(functionBuf),
+ &offset) != UNW_ESUCCESS) ||
(frameInfo.start_ip + offset > frameInfo.end_ip))
functionName = ".anonymous.";
unw_word_t pc;
- unw_get_reg(cursor, UNW_REG_IP, &pc);
+ __unw_get_reg(cursor, UNW_REG_IP, &pc);
_LIBUNWIND_TRACE_UNWINDING(
"unwind_phase1(ex_ojb=%p): pc=0x%" PRIxPTR ", start_ip=0x%" PRIxPTR ", func=%s, "
"lsda=0x%" PRIxPTR ", personality=0x%" PRIxPTR,
@@ -537,7 +539,7 @@ static _Unwind_Reason_Code unwind_phase2(unw_context_t
_Unwind_Exception *exception_object,
bool resume) {
// See comment at the start of unwind_phase1 regarding VRS integrity.
- unw_init_local(cursor, uc);
+ __unw_init_local(cursor, uc);
_LIBUNWIND_TRACE_UNWINDING("unwind_phase2(ex_ojb=%p)",
static_cast<void *>(exception_object));
@@ -559,19 +561,20 @@ static _Unwind_Reason_Code unwind_phase2(unw_context_t
// for. After this, continue unwinding as if normal.
//
// See #7.4.6 for details.
- unw_set_reg(cursor, UNW_REG_IP,
- exception_object->unwinder_cache.reserved2);
+ __unw_set_reg(cursor, UNW_REG_IP,
+ exception_object->unwinder_cache.reserved2);
resume = false;
}
// Get info about this frame.
unw_word_t sp;
unw_proc_info_t frameInfo;
- unw_get_reg(cursor, UNW_REG_SP, &sp);
- if (unw_get_proc_info(cursor, &frameInfo) != UNW_ESUCCESS) {
- _LIBUNWIND_TRACE_UNWINDING("unwind_phase2(ex_ojb=%p): unw_get_proc_info "
- "failed => _URC_FATAL_PHASE2_ERROR",
- static_cast<void *>(exception_object));
+ __unw_get_reg(cursor, UNW_REG_SP, &sp);
+ if (__unw_get_proc_info(cursor, &frameInfo) != UNW_ESUCCESS) {
+ _LIBUNWIND_TRACE_UNWINDING(
+ "unwind_phase2(ex_ojb=%p): __unw_get_proc_info "
+ "failed => _URC_FATAL_PHASE2_ERROR",
+ static_cast<void *>(exception_object));
return _URC_FATAL_PHASE2_ERROR;
}
@@ -580,8 +583,8 @@ static _Unwind_Reason_Code unwind_phase2(unw_context_t
char functionBuf[512];
const char *functionName = functionBuf;
unw_word_t offset;
- if ((unw_get_proc_name(cursor, functionBuf, sizeof(functionBuf),
- &offset) != UNW_ESUCCESS) ||
+ if ((__unw_get_proc_name(cursor, functionBuf, sizeof(functionBuf),
+ &offset) != UNW_ESUCCESS) ||
(frameInfo.start_ip + offset > frameInfo.end_ip))
functionName = ".anonymous.";
_LIBUNWIND_TRACE_UNWINDING(
@@ -625,8 +628,8 @@ static _Unwind_Reason_Code unwind_phase2(unw_context_t
// We may get control back if landing pad calls _Unwind_Resume().
if (_LIBUNWIND_TRACING_UNWINDING) {
unw_word_t pc;
- unw_get_reg(cursor, UNW_REG_IP, &pc);
- unw_get_reg(cursor, UNW_REG_SP, &sp);
+ __unw_get_reg(cursor, UNW_REG_IP, &pc);
+ __unw_get_reg(cursor, UNW_REG_SP, &sp);
_LIBUNWIND_TRACE_UNWINDING("unwind_phase2(ex_ojb=%p): re-entering "
"user code with ip=0x%" PRIxPTR ", sp=0x%" PRIxPTR,
static_cast<void *>(exception_object),
@@ -637,11 +640,11 @@ static _Unwind_Reason_Code unwind_phase2(unw_context_t
// EHABI #7.4.1 says we need to preserve pc for when _Unwind_Resume
// is called back, to find this same frame.
unw_word_t pc;
- unw_get_reg(cursor, UNW_REG_IP, &pc);
+ __unw_get_reg(cursor, UNW_REG_IP, &pc);
exception_object->unwinder_cache.reserved2 = (uint32_t)pc;
}
- unw_resume(cursor);
- // unw_resume() only returns if there was an error.
+ __unw_resume(cursor);
+ // __unw_resume() only returns if there was an error.
return _URC_FATAL_PHASE2_ERROR;
// # EHABI #7.4.3
@@ -670,7 +673,7 @@ _Unwind_RaiseException(_Unwind_Exception *exception_ob
static_cast<void *>(exception_object));
unw_context_t uc;
unw_cursor_t cursor;
- unw_getcontext(&uc);
+ __unw_getcontext(&uc);
// This field for is for compatibility with GCC to say this isn't a forced
// unwind. EHABI #7.2
@@ -708,7 +711,7 @@ _Unwind_Resume(_Unwind_Exception *exception_object) {
static_cast<void *>(exception_object));
unw_context_t uc;
unw_cursor_t cursor;
- unw_getcontext(&uc);
+ __unw_getcontext(&uc);
// _Unwind_RaiseException on EHABI will always set the reserved1 field to 0,
// which is in the same position as private_1 below.
@@ -725,7 +728,7 @@ _Unwind_GetLanguageSpecificData(struct _Unwind_Context
unw_cursor_t *cursor = (unw_cursor_t *)context;
unw_proc_info_t frameInfo;
uintptr_t result = 0;
- if (unw_get_proc_info(cursor, &frameInfo) == UNW_ESUCCESS)
+ if (__unw_get_proc_info(cursor, &frameInfo) == UNW_ESUCCESS)
result = (uintptr_t)frameInfo.lsda;
_LIBUNWIND_TRACE_API(
"_Unwind_GetLanguageSpecificData(context=%p) => 0x%llx",
@@ -765,8 +768,8 @@ _Unwind_VRS_Set(_Unwind_Context *context, _Unwind_VRS_
case _UVRSC_CORE:
if (representation != _UVRSD_UINT32 || regno > 15)
return _UVRSR_FAILED;
- return unw_set_reg(cursor, (unw_regnum_t)(UNW_ARM_R0 + regno),
- *(unw_word_t *)valuep) == UNW_ESUCCESS
+ return __unw_set_reg(cursor, (unw_regnum_t)(UNW_ARM_R0 + regno),
+ *(unw_word_t *)valuep) == UNW_ESUCCESS
? _UVRSR_OK
: _UVRSR_FAILED;
case _UVRSC_VFP:
@@ -776,28 +779,28 @@ _Unwind_VRS_Set(_Unwind_Context *context, _Unwind_VRS_
// Can only touch d0-15 with FSTMFDX.
if (regno > 15)
return _UVRSR_FAILED;
- unw_save_vfp_as_X(cursor);
+ __unw_save_vfp_as_X(cursor);
} else {
if (regno > 31)
return _UVRSR_FAILED;
}
- return unw_set_fpreg(cursor, (unw_regnum_t)(UNW_ARM_D0 + regno),
- *(unw_fpreg_t *)valuep) == UNW_ESUCCESS
+ return __unw_set_fpreg(cursor, (unw_regnum_t)(UNW_ARM_D0 + regno),
+ *(unw_fpreg_t *)valuep) == UNW_ESUCCESS
? _UVRSR_OK
: _UVRSR_FAILED;
#if defined(__ARM_WMMX)
case _UVRSC_WMMXC:
if (representation != _UVRSD_UINT32 || regno > 3)
return _UVRSR_FAILED;
- return unw_set_reg(cursor, (unw_regnum_t)(UNW_ARM_WC0 + regno),
- *(unw_word_t *)valuep) == UNW_ESUCCESS
+ return __unw_set_reg(cursor, (unw_regnum_t)(UNW_ARM_WC0 + regno),
+ *(unw_word_t *)valuep) == UNW_ESUCCESS
? _UVRSR_OK
: _UVRSR_FAILED;
case _UVRSC_WMMXD:
if (representation != _UVRSD_DOUBLE || regno > 31)
return _UVRSR_FAILED;
- return unw_set_fpreg(cursor, (unw_regnum_t)(UNW_ARM_WR0 + regno),
- *(unw_fpreg_t *)valuep) == UNW_ESUCCESS
+ return __unw_set_fpreg(cursor, (unw_regnum_t)(UNW_ARM_WR0 + regno),
*** DIFF OUTPUT TRUNCATED AT 1000 LINES ***
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