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-rw-r--r--src/config.h126
1 files changed, 83 insertions, 43 deletions
diff --git a/src/config.h b/src/config.h
index a50222f7c90d..fc7fd646707e 100644
--- a/src/config.h
+++ b/src/config.h
@@ -6,7 +6,7 @@
// Source Licenses. See LICENSE.TXT for details.
//
//
-// Defines macros used within libuwind project.
+// Defines macros used within libunwind project.
//
//===----------------------------------------------------------------------===//
@@ -16,6 +16,7 @@
#include <assert.h>
#include <stdio.h>
+#include <stdint.h>
#include <stdlib.h>
// Define static_assert() unless already defined by compiler.
@@ -31,51 +32,65 @@
// Platform specific configuration defines.
#ifdef __APPLE__
#if defined(FOR_DYLD)
- #define _LIBUNWIND_SUPPORT_COMPACT_UNWIND 1
- #define _LIBUNWIND_SUPPORT_DWARF_UNWIND 0
- #define _LIBUNWIND_SUPPORT_DWARF_INDEX 0
+ #define _LIBUNWIND_SUPPORT_COMPACT_UNWIND
#else
- #define _LIBUNWIND_SUPPORT_COMPACT_UNWIND 1
+ #define _LIBUNWIND_SUPPORT_COMPACT_UNWIND
#define _LIBUNWIND_SUPPORT_DWARF_UNWIND 1
- #define _LIBUNWIND_SUPPORT_DWARF_INDEX 0
+ #endif
+#elif defined(_WIN32)
+ #ifdef __SEH__
+ #define _LIBUNWIND_SUPPORT_SEH_UNWIND 1
+ #else
+ #define _LIBUNWIND_SUPPORT_DWARF_UNWIND 1
#endif
#else
#if defined(__ARM_DWARF_EH__) || !defined(__arm__)
- #define _LIBUNWIND_SUPPORT_COMPACT_UNWIND 0
#define _LIBUNWIND_SUPPORT_DWARF_UNWIND 1
#define _LIBUNWIND_SUPPORT_DWARF_INDEX 1
- #else
- #define _LIBUNWIND_SUPPORT_COMPACT_UNWIND 0
- #define _LIBUNWIND_SUPPORT_DWARF_UNWIND 0
- #define _LIBUNWIND_SUPPORT_DWARF_INDEX 0
#endif
#endif
-// FIXME: these macros are not correct for COFF targets
-#define _LIBUNWIND_EXPORT __attribute__((visibility("default")))
-#define _LIBUNWIND_HIDDEN __attribute__((visibility("hidden")))
+#if defined(_LIBUNWIND_DISABLE_VISIBILITY_ANNOTATIONS)
+ #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
#if (defined(__APPLE__) && defined(__arm__)) || defined(__USING_SJLJ_EXCEPTIONS__)
-#define _LIBUNWIND_BUILD_SJLJ_APIS 1
-#else
-#define _LIBUNWIND_BUILD_SJLJ_APIS 0
+#define _LIBUNWIND_BUILD_SJLJ_APIS
#endif
-#if defined(__i386__) || defined(__x86_64__)
-#define _LIBUNWIND_SUPPORT_FRAME_APIS 1
-#else
-#define _LIBUNWIND_SUPPORT_FRAME_APIS 0
+#if defined(__i386__) || defined(__x86_64__) || defined(__ppc__) || defined(__ppc64__) || defined(__powerpc64__)
+#define _LIBUNWIND_SUPPORT_FRAME_APIS
#endif
#if defined(__i386__) || defined(__x86_64__) || \
+ defined(__ppc__) || defined(__ppc64__) || defined(__powerpc64__) || \
(!defined(__APPLE__) && defined(__arm__)) || \
(defined(__arm64__) || defined(__aarch64__)) || \
- (defined(__APPLE__) && defined(__mips__))
-#define _LIBUNWIND_BUILD_ZERO_COST_APIS 1
-#else
-#define _LIBUNWIND_BUILD_ZERO_COST_APIS 0
+ defined(__mips__)
+#if !defined(_LIBUNWIND_BUILD_SJLJ_APIS)
+#define _LIBUNWIND_BUILD_ZERO_COST_APIS
+#endif
+#endif
+
+#if defined(__powerpc64__) && defined(_ARCH_PWR8)
+#define PPC64_HAS_VMX
#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:%d - %s\n", __func__, __FILE__, \
@@ -83,40 +98,65 @@
fflush(stderr); \
abort(); \
} while (0)
-#define _LIBUNWIND_LOG(msg, ...) fprintf(stderr, "libuwind: " msg, __VA_ARGS__)
+#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_UNWINDING (0)
+ #define _LIBUNWIND_TRACING_DWARF (0)
#define _LIBUNWIND_TRACE_UNWINDING(msg, ...)
- #define _LIBUNWIND_LOG_NON_ZERO(x) x
+ #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_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_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
@@ -125,7 +165,7 @@
#if defined(_LIBUNWIND_IS_NATIVE_ONLY)
# define COMP_OP ==
#else
-# define COMP_OP <
+# define COMP_OP <=
#endif
template <typename _Type, typename _Mem>
struct check_fit {