91ea494993
test_common is force-included into every compilation, which causes problems when we're compiling assembly code, as we were in #138805. This avoids that as we can include the header only when it's needed.
35 lines
1.1 KiB
C
35 lines
1.1 KiB
C
#ifndef LLDB_TEST_ATTACH_H
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#define LLDB_TEST_ATTACH_H
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// On some systems (e.g., some versions of linux) it is not possible to attach
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// to a process without it giving us special permissions. This defines the
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// lldb_enable_attach macro, which should perform any such actions, if needed by
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// the platform.
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#if defined(__linux__)
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#include <sys/prctl.h>
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// Android API <= 16 does not have these defined.
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#ifndef PR_SET_PTRACER
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#define PR_SET_PTRACER 0x59616d61
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#endif
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#ifndef PR_SET_PTRACER_ANY
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#define PR_SET_PTRACER_ANY ((unsigned long)-1)
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#endif
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// For now we execute on best effort basis. If this fails for some reason, so
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// be it.
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#define lldb_enable_attach() \
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do { \
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const int prctl_result = \
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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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#else // not linux
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#define lldb_enable_attach()
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#endif // defined(__linux__)
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#endif // LLDB_TEST_ATTACH_H
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