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Merge pull request #2046 from PeterCrozier/trap

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Extend YS_DEBUGTRAP to MacOS.
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N. Engelhardt 2020-05-20 10:12:24 +02:00 • committed by GitHub
commit 026fed3135
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1 changed files with 3 additions and 3 deletions
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6
kernel/log.h
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@ -86,7 +86,7 @@ YOSYS_NAMESPACE_BEGIN
# endif
# if __has_builtin(__builtin_debugtrap)
# define YS_DEBUGTRAP __builtin_debugtrap()
# elif defined(__unix__)
# elif defined(__unix__) || (defined(__APPLE__) && defined(__MACH__))
# define YS_DEBUGTRAP raise(SIGTRAP)
# else
# define YS_DEBUGTRAP do {} while(0)
@ -97,11 +97,11 @@ YOSYS_NAMESPACE_BEGIN
// if a debugger is attached, and does nothing otherwise.
#if defined(_WIN32)
# define YS_DEBUGTRAP_IF_DEBUGGING do { if (IsDebuggerPresent()) DebugBreak(); } while(0)
#elif defined(__unix__)
# elif defined(__unix__) || (defined(__APPLE__) && defined(__MACH__))
// There is no reliable (or portable) *nix equivalent of IsDebuggerPresent(). However,
// debuggers will stop when SIGTRAP is raised, even if the action is set to ignore.
# define YS_DEBUGTRAP_IF_DEBUGGING do { \
sighandler_t old = signal(SIGTRAP, SIG_IGN); raise(SIGTRAP); signal(SIGTRAP, old); \
auto old = signal(SIGTRAP, SIG_IGN); raise(SIGTRAP); signal(SIGTRAP, old); \
} while(0)
#else
# define YS_DEBUGTRAP_IF_DEBUGGING do {} while(0)