forked from OSchip/llvm-project
129 lines
4.7 KiB
C
129 lines
4.7 KiB
C
//===----------------------------- config.h -------------------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is dual licensed under the MIT and the University of Illinois Open
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// Source Licenses. See LICENSE.TXT for details.
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//
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//
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// Defines macros used within libuwind project.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LIBUNWIND_CONFIG_H
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#define LIBUNWIND_CONFIG_H
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#include <assert.h>
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#include <stdio.h>
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// Define static_assert() unless already defined by compiler.
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#ifndef __has_feature
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#define __has_feature(__x) 0
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#endif
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#if !(__has_feature(cxx_static_assert)) && !defined(static_assert)
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#define static_assert(__b, __m) \
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extern int compile_time_assert_failed[ ( __b ) ? 1 : -1 ] \
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__attribute__( ( unused ) );
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#endif
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// Platform specific configuration defines.
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#ifdef __APPLE__
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#include <Availability.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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void __assert_rtn(const char *, const char *, int, const char *)
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__attribute__((noreturn));
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#ifdef __cplusplus
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}
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#endif
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#define _LIBUNWIND_BUILD_ZERO_COST_APIS (defined(__i386__) || \
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defined(__x86_64__) || \
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defined(__arm64__) || \
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defined(__mips__))
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#define _LIBUNWIND_BUILD_SJLJ_APIS defined(__arm__)
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#define _LIBUNWIND_SUPPORT_FRAME_APIS (defined(__i386__) || \
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defined(__x86_64__))
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#define _LIBUNWIND_EXPORT __attribute__((visibility("default")))
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#define _LIBUNWIND_HIDDEN __attribute__((visibility("hidden")))
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#define _LIBUNWIND_LOG(msg, ...) fprintf(stderr, "libuwind: " msg, __VA_ARGS__)
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#define _LIBUNWIND_ABORT(msg) __assert_rtn(__func__, __FILE__, __LINE__, msg)
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#if defined(FOR_DYLD)
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#define _LIBUNWIND_SUPPORT_COMPACT_UNWIND 1
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#define _LIBUNWIND_SUPPORT_DWARF_UNWIND 0
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#define _LIBUNWIND_SUPPORT_DWARF_INDEX 0
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#else
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#define _LIBUNWIND_SUPPORT_COMPACT_UNWIND 1
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#define _LIBUNWIND_SUPPORT_DWARF_UNWIND 1
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#define _LIBUNWIND_SUPPORT_DWARF_INDEX 0
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#endif
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#else
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#include <stdlib.h>
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static inline void assert_rtn(const char* func, const char* file, int line, const char* msg) __attribute__ ((noreturn));
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static inline void assert_rtn(const char* func, const char* file, int line, const char* msg) {
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fprintf(stderr, "libunwind: %s %s:%d - %s\n", func, file, line, msg);
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assert(false);
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abort();
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}
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#define _LIBUNWIND_BUILD_ZERO_COST_APIS (defined(__i386__) || \
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defined(__x86_64__) || \
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defined(__arm__) || \
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defined(__aarch64__))
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#define _LIBUNWIND_BUILD_SJLJ_APIS 0
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#define _LIBUNWIND_SUPPORT_FRAME_APIS (defined(__i386__) || \
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defined(__x86_64__))
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#define _LIBUNWIND_EXPORT __attribute__((visibility("default")))
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#define _LIBUNWIND_HIDDEN __attribute__((visibility("hidden")))
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#define _LIBUNWIND_LOG(msg, ...) fprintf(stderr, "libuwind: " msg, __VA_ARGS__)
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#define _LIBUNWIND_ABORT(msg) assert_rtn(__func__, __FILE__, __LINE__, msg)
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#define _LIBUNWIND_SUPPORT_COMPACT_UNWIND 0
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#define _LIBUNWIND_SUPPORT_DWARF_UNWIND !defined(__arm__) || \
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defined(__ARM_DWARF_EH__)
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#define _LIBUNWIND_SUPPORT_DWARF_INDEX _LIBUNWIND_SUPPORT_DWARF_UNWIND
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#endif
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// Macros that define away in non-Debug builds
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#ifdef NDEBUG
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#define _LIBUNWIND_DEBUG_LOG(msg, ...)
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#define _LIBUNWIND_TRACE_API(msg, ...)
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#define _LIBUNWIND_TRACING_UNWINDING 0
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#define _LIBUNWIND_TRACE_UNWINDING(msg, ...)
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#define _LIBUNWIND_LOG_NON_ZERO(x) x
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#else
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#ifdef __cplusplus
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extern "C" {
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#endif
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extern bool logAPIs();
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extern bool logUnwinding();
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#ifdef __cplusplus
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}
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#endif
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#define _LIBUNWIND_DEBUG_LOG(msg, ...) _LIBUNWIND_LOG(msg, __VA_ARGS__)
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#define _LIBUNWIND_LOG_NON_ZERO(x) \
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do { \
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int _err = x; \
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if ( _err != 0 ) \
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_LIBUNWIND_LOG("" #x "=%d in %s", _err, __FUNCTION__); \
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} while (0)
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#define _LIBUNWIND_TRACE_API(msg, ...) \
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do { \
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if ( logAPIs() ) _LIBUNWIND_LOG(msg, __VA_ARGS__); \
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} while(0)
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#define _LIBUNWIND_TRACE_UNWINDING(msg, ...) \
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do { \
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if ( logUnwinding() ) _LIBUNWIND_LOG(msg, __VA_ARGS__); \
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} while(0)
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#define _LIBUNWIND_TRACING_UNWINDING logUnwinding()
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#endif
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#endif // LIBUNWIND_CONFIG_H
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