forked from OSchip/llvm-project
45 lines
1.7 KiB
C
45 lines
1.7 KiB
C
// This header is included in all the test programs (C and C++) and provides a
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// hook for dealing with platform-specifics.
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#if defined(_WIN32) || defined(_WIN64)
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#ifdef COMPILING_LLDB_TEST_DLL
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#define LLDB_TEST_API __declspec(dllexport)
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#else
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#define LLDB_TEST_API __declspec(dllimport)
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#endif
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#else
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#define LLDB_TEST_API
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#endif
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#if defined(__cplusplus) && defined(_MSC_VER) && (_HAS_EXCEPTIONS == 0)
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// Compiling MSVC libraries with _HAS_EXCEPTIONS=0, eliminates most but not all
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// calls to __uncaught_exception. Unfortunately, it does seem to eliminate
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// the delcaration of __uncaught_excpeiton. Including <eh.h> ensures that it is
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// declared. This may not be necessary after MSVC 12.
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#include <eh.h>
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#endif
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// On some systems (e.g., some versions of linux) it is not possible to attach to a process
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// without it giving us special permissions. This defines the lldb_enable_attach macro, which
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// should perform any such actions, if needed by the platform. This is a macro instead of a
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// function to avoid the need for complex linking of the test programs.
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#if defined(__linux__)
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#include <sys/prctl.h>
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#if defined(PR_SET_PTRACER) && defined(PR_SET_PTRACER_ANY)
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// For now we execute on best effort basis. If this fails for some reason, so be it.
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#define lldb_enable_attach() \
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do \
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{ \
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const int prctl_result = prctl(PR_SET_PTRACER, PR_SET_PTRACER_ANY, 0, 0, 0); \
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(void)prctl_result; \
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} while (0)
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#endif
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#else // not linux
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#define lldb_enable_attach()
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#endif
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