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Merge pull request #904

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f07f120 cmake: don't try to link with atomic on Apple (redfish)
19349d7 cmake: ARM: clang: make warning non-fatal: inline asm (redfish)
f3e09f3 cmake: link with -latomic for clang (redfish)
f4b35ae cmake: include -ldl via cmake built-in var (redfish)
fa85cd8 common: stack trace: make clang happy with func ptrs (redfish)
4dce26b cmake: do not pass -stdlib=c++ to clang >=3.7 (redfish)
This commit is contained in:
Riccardo Spagni 2016-07-20 13:56:59 +02:00
commit 77015e8132
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2 changed files with 41 additions and 14 deletions
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38
src/common/stack_trace.cpp
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@ -38,14 +38,33 @@
#endif
// from http://stackoverflow.com/questions/11665829/how-can-i-print-stack-trace-for-caught-exceptions-in-c-code-injection-in-c
// The decl of __cxa_throw in /usr/include/.../cxxabi.h uses
// 'std::type_info *', but GCC's built-in protype uses 'void *'.
#ifdef __clang__
#define CXA_THROW_INFO_T std::type_info
#else // !__clang__
#define CXA_THROW_INFO_T void
#endif // !__clang__
#ifdef STATICLIB
#define CXA_THROW __wrap___cxa_throw
extern "C" void __real___cxa_throw(void *ex, void *info, void (*dest)(void*));
#else
extern "C"
__attribute__((noreturn))
void __real___cxa_throw(void *ex, CXA_THROW_INFO_T *info, void (*dest)(void*));
#else // !STATICLIB
#define CXA_THROW __cxa_throw
#endif
extern "C"
typedef
#ifdef __clang__ // only clang, not GCC, lets apply the attr in typedef
__attribute__((noreturn))
#endif // __clang__
void (cxa_throw_t)(void *ex, CXA_THROW_INFO_T *info, void (*dest)(void*));
#endif // !STATICLIB
extern "C" void CXA_THROW(void *ex, void *info, void (*dest)(void*))
extern "C"
__attribute__((noreturn))
void CXA_THROW(void *ex, CXA_THROW_INFO_T *info, void (*dest)(void*))
{
int status;
@ -53,12 +72,13 @@ extern "C" void CXA_THROW(void *ex, void *info, void (*dest)(void*))
tools::log_stack_trace((std::string("Exception: ")+((!status && dsym) ? dsym : (const char*)info)).c_str());
free(dsym);
#ifdef STATICLIB
#ifndef STATICLIB
#ifndef __clang__ // for GCC the attr can't be applied in typedef like for clang
__attribute__((noreturn))
#endif // !__clang__
cxa_throw_t *__real___cxa_throw = (cxa_throw_t*)dlsym(RTLD_NEXT, "__cxa_throw");
#endif // !STATICLIB
__real___cxa_throw(ex, info, dest);
#else
static void (*const rethrow)(void*, void*, void(*)(void*)) __attribute__((noreturn)) = (void(*)(void*, void*, void(*)(void*)))dlsym(RTLD_NEXT, "__cxa_throw");
rethrow(ex, info, dest);
#endif
}
namespace