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authorDevtools Arcadia <[email protected]>2022-02-07 18:08:42 +0300
committerDevtools Arcadia <[email protected]>2022-02-07 18:08:42 +0300
commit1110808a9d39d4b808aef724c861a2e1a38d2a69 (patch)
treee26c9fed0de5d9873cce7e00bc214573dc2195b7 /contrib/libs/libunwind/src/config.h
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ref:cde9a383711a11544ce7e107a78147fb96cc4029
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diff --git a/contrib/libs/libunwind/src/config.h b/contrib/libs/libunwind/src/config.h
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+//===----------------------------------------------------------------------===//
+//
+// 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
+//
+//
+// Defines macros used within libunwind project.
+//
+//===----------------------------------------------------------------------===//
+
+
+#ifndef LIBUNWIND_CONFIG_H
+#define LIBUNWIND_CONFIG_H
+
+#include <assert.h>
+#include <stdio.h>
+#include <stdint.h>
+#include <stdlib.h>
+
+#include <__libunwind_config.h>
+
+// Platform specific configuration defines.
+#ifdef __APPLE__
+ #if defined(FOR_DYLD)
+ #define _LIBUNWIND_SUPPORT_COMPACT_UNWIND 1
+ #else
+ #define _LIBUNWIND_SUPPORT_COMPACT_UNWIND 1
+ #define _LIBUNWIND_SUPPORT_DWARF_UNWIND 1
+ #endif
+#elif defined(_WIN32)
+ #ifdef __SEH__
+ #define _LIBUNWIND_SUPPORT_SEH_UNWIND 1
+ #else
+ #define _LIBUNWIND_SUPPORT_DWARF_UNWIND 1
+ #endif
+#elif defined(_LIBUNWIND_IS_BAREMETAL)
+ #if !defined(_LIBUNWIND_ARM_EHABI)
+ #define _LIBUNWIND_SUPPORT_DWARF_UNWIND 1
+ #define _LIBUNWIND_SUPPORT_DWARF_INDEX 1
+ #endif
+#elif defined(__BIONIC__) && defined(_LIBUNWIND_ARM_EHABI)
+ // For ARM EHABI, Bionic didn't implement dl_iterate_phdr until API 21. After
+ // API 21, dl_iterate_phdr exists, but dl_unwind_find_exidx is much faster.
+ #define _LIBUNWIND_USE_DL_UNWIND_FIND_EXIDX 1
+#else
+ // Assume an ELF system with a dl_iterate_phdr function.
+ #define _LIBUNWIND_USE_DL_ITERATE_PHDR 1
+ #if !defined(_LIBUNWIND_ARM_EHABI)
+ #define _LIBUNWIND_SUPPORT_DWARF_UNWIND 1
+ #define _LIBUNWIND_SUPPORT_DWARF_INDEX 1
+ #endif
+#endif
+
+#if defined(_LIBUNWIND_HIDE_SYMBOLS)
+ // The CMake file passes -fvisibility=hidden to control ELF/Mach-O visibility.
+ #define _LIBUNWIND_EXPORT
+ #define _LIBUNWIND_HIDDEN
+#else
+ #if !defined(__ELF__) && !defined(__MACH__)
+ #define _LIBUNWIND_EXPORT __declspec(dllexport)
+ #define _LIBUNWIND_HIDDEN
+ #else
+ #define _LIBUNWIND_EXPORT __attribute__((visibility("default")))
+ #define _LIBUNWIND_HIDDEN __attribute__((visibility("hidden")))
+ #endif
+#endif
+
+#define STR(a) #a
+#define XSTR(a) STR(a)
+#define SYMBOL_NAME(name) XSTR(__USER_LABEL_PREFIX__) #name
+
+#if defined(__APPLE__)
+#if defined(_LIBUNWIND_HIDE_SYMBOLS)
+#define _LIBUNWIND_ALIAS_VISIBILITY(name) __asm__(".private_extern " name);
+#else
+#define _LIBUNWIND_ALIAS_VISIBILITY(name)
+#endif
+#define _LIBUNWIND_WEAK_ALIAS(name, aliasname) \
+ __asm__(".globl " SYMBOL_NAME(aliasname)); \
+ __asm__(SYMBOL_NAME(aliasname) " = " SYMBOL_NAME(name)); \
+ _LIBUNWIND_ALIAS_VISIBILITY(SYMBOL_NAME(aliasname))
+#elif defined(__ELF__)
+#define _LIBUNWIND_WEAK_ALIAS(name, aliasname) \
+ extern "C" _LIBUNWIND_EXPORT __typeof(name) aliasname \
+ __attribute__((weak, alias(#name)));
+#elif defined(_WIN32)
+#if defined(__MINGW32__)
+#define _LIBUNWIND_WEAK_ALIAS(name, aliasname) \
+ extern "C" _LIBUNWIND_EXPORT __typeof(name) aliasname \
+ __attribute__((alias(#name)));
+#else
+#define _LIBUNWIND_WEAK_ALIAS(name, aliasname) \
+ __pragma(comment(linker, "/alternatename:" SYMBOL_NAME(aliasname) "=" \
+ SYMBOL_NAME(name))) \
+ extern "C" _LIBUNWIND_EXPORT __typeof(name) aliasname;
+#endif
+#else
+#error Unsupported target
+#endif
+
+// Apple/armv7k defaults to DWARF/Compact unwinding, but its libunwind also
+// needs to include the SJLJ APIs.
+#if (defined(__APPLE__) && defined(__arm__)) || defined(__USING_SJLJ_EXCEPTIONS__)
+#define _LIBUNWIND_BUILD_SJLJ_APIS
+#endif
+
+#if defined(__i386__) || defined(__x86_64__) || defined(__powerpc__)
+#define _LIBUNWIND_SUPPORT_FRAME_APIS
+#endif
+
+#if defined(__i386__) || defined(__x86_64__) || \
+ defined(__ppc__) || defined(__ppc64__) || defined(__powerpc64__) || \
+ (!defined(__APPLE__) && defined(__arm__)) || \
+ defined(__aarch64__) || \
+ defined(__mips__) || \
+ defined(__riscv) || \
+ defined(__hexagon__)
+#if !defined(_LIBUNWIND_BUILD_SJLJ_APIS)
+#define _LIBUNWIND_BUILD_ZERO_COST_APIS
+#endif
+#endif
+
+#ifndef _LIBUNWIND_REMEMBER_HEAP_ALLOC
+#if defined(_LIBUNWIND_REMEMBER_STACK_ALLOC) || defined(__APPLE__) || \
+ defined(__linux__) || defined(__ANDROID__) || defined(__MINGW32__) || \
+ defined(_LIBUNWIND_IS_BAREMETAL)
+#define _LIBUNWIND_REMEMBER_ALLOC(_size) alloca(_size)
+#define _LIBUNWIND_REMEMBER_FREE(_ptr) \
+ do { \
+ } while (0)
+#elif defined(_WIN32)
+#define _LIBUNWIND_REMEMBER_ALLOC(_size) _malloca(_size)
+#define _LIBUNWIND_REMEMBER_FREE(_ptr) _freea(_ptr)
+#define _LIBUNWIND_REMEMBER_CLEANUP_NEEDED
+#else
+#define _LIBUNWIND_REMEMBER_ALLOC(_size) malloc(_size)
+#define _LIBUNWIND_REMEMBER_FREE(_ptr) free(_ptr)
+#define _LIBUNWIND_REMEMBER_CLEANUP_NEEDED
+#endif
+#else /* _LIBUNWIND_REMEMBER_HEAP_ALLOC */
+#define _LIBUNWIND_REMEMBER_ALLOC(_size) malloc(_size)
+#define _LIBUNWIND_REMEMBER_FREE(_ptr) free(_ptr)
+#define _LIBUNWIND_REMEMBER_CLEANUP_NEEDED
+#endif
+
+#if defined(NDEBUG) && defined(_LIBUNWIND_IS_BAREMETAL)
+#define _LIBUNWIND_ABORT(msg) \
+ do { \
+ abort(); \
+ } while (0)
+#else
+#define _LIBUNWIND_ABORT(msg) \
+ do { \
+ fprintf(stderr, "libunwind: %s - %s\n", __func__, msg); \
+ fflush(stderr); \
+ abort(); \
+ } while (0)
+#endif
+
+#if defined(NDEBUG) && defined(_LIBUNWIND_IS_BAREMETAL)
+#define _LIBUNWIND_LOG0(msg)
+#define _LIBUNWIND_LOG(msg, ...)
+#else
+#define _LIBUNWIND_LOG0(msg) \
+ fprintf(stderr, "libunwind: " msg "\n")
+#define _LIBUNWIND_LOG(msg, ...) \
+ fprintf(stderr, "libunwind: " msg "\n", __VA_ARGS__)
+#endif
+
+#if defined(NDEBUG)
+ #define _LIBUNWIND_LOG_IF_FALSE(x) x
+#else
+ #define _LIBUNWIND_LOG_IF_FALSE(x) \
+ do { \
+ bool _ret = x; \
+ if (!_ret) \
+ _LIBUNWIND_LOG("" #x " failed in %s", __FUNCTION__); \
+ } while (0)
+#endif
+
+// Macros that define away in non-Debug builds
+#ifdef NDEBUG
+ #define _LIBUNWIND_DEBUG_LOG(msg, ...)
+ #define _LIBUNWIND_TRACE_API(msg, ...)
+ #define _LIBUNWIND_TRACING_UNWINDING (0)
+ #define _LIBUNWIND_TRACING_DWARF (0)
+ #define _LIBUNWIND_TRACE_UNWINDING(msg, ...)
+ #define _LIBUNWIND_TRACE_DWARF(...)
+#else
+ #ifdef __cplusplus
+ extern "C" {
+ #endif
+ extern bool logAPIs();
+ extern bool logUnwinding();
+ extern bool logDWARF();
+ #ifdef __cplusplus
+ }
+ #endif
+ #define _LIBUNWIND_DEBUG_LOG(msg, ...) _LIBUNWIND_LOG(msg, __VA_ARGS__)
+ #define _LIBUNWIND_TRACE_API(msg, ...) \
+ do { \
+ if (logAPIs()) \
+ _LIBUNWIND_LOG(msg, __VA_ARGS__); \
+ } while (0)
+ #define _LIBUNWIND_TRACING_UNWINDING logUnwinding()
+ #define _LIBUNWIND_TRACING_DWARF logDWARF()
+ #define _LIBUNWIND_TRACE_UNWINDING(msg, ...) \
+ do { \
+ if (logUnwinding()) \
+ _LIBUNWIND_LOG(msg, __VA_ARGS__); \
+ } while (0)
+ #define _LIBUNWIND_TRACE_DWARF(...) \
+ do { \
+ if (logDWARF()) \
+ fprintf(stderr, __VA_ARGS__); \
+ } while (0)
+#endif
+
+#ifdef __cplusplus
+// Used to fit UnwindCursor and Registers_xxx types against unw_context_t /
+// unw_cursor_t sized memory blocks.
+#if defined(_LIBUNWIND_IS_NATIVE_ONLY)
+# define COMP_OP ==
+#else
+# define COMP_OP <=
+#endif
+template <typename _Type, typename _Mem>
+struct check_fit {
+ template <typename T>
+ struct blk_count {
+ static const size_t count =
+ (sizeof(T) + sizeof(uint64_t) - 1) / sizeof(uint64_t);
+ };
+ static const bool does_fit =
+ (blk_count<_Type>::count COMP_OP blk_count<_Mem>::count);
+};
+#undef COMP_OP
+#endif // __cplusplus
+
+#endif // LIBUNWIND_CONFIG_H