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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>
// Define static_assert() unless already defined by compiler.
#ifndef __has_feature
#define __has_feature(__x) 0
#endif
#if !(__has_feature(cxx_static_assert))
#define static_assert(__b, __m) \
extern int compile_time_assert_failed[ ( __b ) ? 1 : -1 ] \
__attribute__( ( unused ) );
#endif
// Platform specific configuration defines.
#if __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 (__i386__ || __x86_64__ || __arm64__)
#define _LIBUNWIND_BUILD_SJLJ_APIS (__arm__)
#define _LIBUNWIND_SUPPORT_FRAME_APIS (__i386__ || __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 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
// #define _LIBUNWIND_BUILD_ZERO_COST_APIS
// #define _LIBUNWIND_BUILD_SJLJ_APIS
// #define _LIBUNWIND_SUPPORT_FRAME_APIS
// #define _LIBUNWIND_EXPORT
// #define _LIBUNWIND_HIDDEN
// #define _LIBUNWIND_LOG()
// #define _LIBUNWIND_ABORT()
// #define _LIBUNWIND_SUPPORT_COMPACT_UNWIND
// #define _LIBUNWIND_SUPPORT_DWARF_UNWIND
// #define _LIBUNWIND_SUPPORT_DWARF_INDEX
#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
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