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-rw-r--r--src/config.h127
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diff --git a/src/config.h b/src/config.h
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+++ b/src/config.h
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+//===----------------------------- 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.
+//
+//
+// Defines macros used within libuwind project.
+//
+//===----------------------------------------------------------------------===//
+
+
+#ifndef LIBUNWIND_CONFIG_H
+#define LIBUNWIND_CONFIG_H
+
+#include <assert.h>
+#include <stdio.h>
+
+// Define static_assert() unless already defined by compiler.
+#ifndef __has_feature
+ #define __has_feature(__x) 0
+#endif
+#if !(__has_feature(cxx_static_assert)) && !defined(static_assert)
+ #define static_assert(__b, __m) \
+ extern int compile_time_assert_failed[ ( __b ) ? 1 : -1 ] \
+ __attribute__( ( unused ) );
+#endif
+
+// Platform specific configuration defines.
+#ifdef __APPLE__
+ #include <Availability.h>
+ #ifdef __cplusplus
+ extern "C" {
+ #endif
+ void __assert_rtn(const char *, const char *, int, const char *)
+ __attribute__((noreturn));
+ #ifdef __cplusplus
+ }
+ #endif
+
+ #define _LIBUNWIND_BUILD_ZERO_COST_APIS (defined(__i386__) || \
+ defined(__x86_64__) || \
+ defined(__arm64__))
+ #define _LIBUNWIND_BUILD_SJLJ_APIS defined(__arm__)
+ #define _LIBUNWIND_SUPPORT_FRAME_APIS (defined(__i386__) || \
+ defined(__x86_64__))
+ #define _LIBUNWIND_EXPORT __attribute__((visibility("default")))
+ #define _LIBUNWIND_HIDDEN __attribute__((visibility("hidden")))
+ #define _LIBUNWIND_LOG(msg, ...) fprintf(stderr, "libuwind: " msg, __VA_ARGS__)
+ #define _LIBUNWIND_ABORT(msg) __assert_rtn(__func__, __FILE__, __LINE__, msg)
+
+ #if defined(FOR_DYLD)
+ #define _LIBUNWIND_SUPPORT_COMPACT_UNWIND 1
+ #define _LIBUNWIND_SUPPORT_DWARF_UNWIND 0
+ #define _LIBUNWIND_SUPPORT_DWARF_INDEX 0
+ #else
+ #define _LIBUNWIND_SUPPORT_COMPACT_UNWIND 1
+ #define _LIBUNWIND_SUPPORT_DWARF_UNWIND 1
+ #define _LIBUNWIND_SUPPORT_DWARF_INDEX 0
+ #endif
+
+#else
+ #include <stdlib.h>
+
+ static inline void assert_rtn(const char* func, const char* file, int line, const char* msg) __attribute__ ((noreturn));
+ static inline void assert_rtn(const char* func, const char* file, int line, const char* msg) {
+ fprintf(stderr, "libunwind: %s %s:%d - %s\n", func, file, line, msg);
+ assert(false);
+ abort();
+ }
+
+ #define _LIBUNWIND_BUILD_ZERO_COST_APIS (defined(__i386__) || \
+ defined(__x86_64__) || \
+ defined(__arm__) || \
+ defined(__aarch64__))
+ #define _LIBUNWIND_BUILD_SJLJ_APIS 0
+ #define _LIBUNWIND_SUPPORT_FRAME_APIS (defined(__i386__) || \
+ defined(__x86_64__))
+ #define _LIBUNWIND_EXPORT __attribute__((visibility("default")))
+ #define _LIBUNWIND_HIDDEN __attribute__((visibility("hidden")))
+ #define _LIBUNWIND_LOG(msg, ...) fprintf(stderr, "libuwind: " msg, __VA_ARGS__)
+ #define _LIBUNWIND_ABORT(msg) assert_rtn(__func__, __FILE__, __LINE__, msg)
+
+ #define _LIBUNWIND_SUPPORT_COMPACT_UNWIND 0
+ #define _LIBUNWIND_SUPPORT_DWARF_UNWIND !defined(__arm__) || \
+ defined(__ARM_DWARF_EH__)
+ #define _LIBUNWIND_SUPPORT_DWARF_INDEX _LIBUNWIND_SUPPORT_DWARF_UNWIND
+#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_TRACE_UNWINDING(msg, ...)
+ #define _LIBUNWIND_LOG_NON_ZERO(x) x
+#else
+ #ifdef __cplusplus
+ extern "C" {
+ #endif
+ extern bool logAPIs();
+ extern bool logUnwinding();
+ #ifdef __cplusplus
+ }
+ #endif
+ #define _LIBUNWIND_DEBUG_LOG(msg, ...) _LIBUNWIND_LOG(msg, __VA_ARGS__)
+ #define _LIBUNWIND_LOG_NON_ZERO(x) \
+ do { \
+ int _err = x; \
+ if ( _err != 0 ) \
+ _LIBUNWIND_LOG("" #x "=%d in %s", _err, __FUNCTION__); \
+ } while (0)
+ #define _LIBUNWIND_TRACE_API(msg, ...) \
+ do { \
+ if ( logAPIs() ) _LIBUNWIND_LOG(msg, __VA_ARGS__); \
+ } while(0)
+ #define _LIBUNWIND_TRACE_UNWINDING(msg, ...) \
+ do { \
+ if ( logUnwinding() ) _LIBUNWIND_LOG(msg, __VA_ARGS__); \
+ } while(0)
+ #define _LIBUNWIND_TRACING_UNWINDING logUnwinding()
+#endif
+
+
+#endif // LIBUNWIND_CONFIG_H