diff options
Diffstat (limited to 'kernel/log.h')
| -rw-r--r-- | kernel/log.h | 53 |
1 files changed, 44 insertions, 9 deletions
diff --git a/kernel/log.h b/kernel/log.h index 5478482ac..516744b50 100644 --- a/kernel/log.h +++ b/kernel/log.h @@ -50,9 +50,12 @@ std::regex_constants::egrep) #endif -#ifndef _WIN32 +#if defined(_WIN32) +# include <intrin.h> +#else # include <sys/time.h> # include <sys/resource.h> +# include <signal.h> #endif #if defined(_MSC_VER) @@ -69,6 +72,41 @@ YOSYS_NAMESPACE_BEGIN #define S__LINE__sub1(x) S__LINE__sub2(x) #define S__LINE__ S__LINE__sub1(__LINE__) +// YS_DEBUGTRAP is a macro that is functionally equivalent to a breakpoint +// if the platform provides such functionality, and does nothing otherwise. +// If no debugger is attached, it starts a just-in-time debugger if available, +// and crashes the process otherwise. +#if defined(_WIN32) +# define YS_DEBUGTRAP __debugbreak() +#else +# ifndef __has_builtin +// __has_builtin is a GCC/Clang extension; on a different compiler (or old enough GCC/Clang) +// that does not have it, using __has_builtin(...) is a syntax error. +# define __has_builtin(x) 0 +# endif +# if __has_builtin(__builtin_debugtrap) +# define YS_DEBUGTRAP __builtin_debugtrap() +# elif defined(__unix__) || (defined(__APPLE__) && defined(__MACH__)) +# define YS_DEBUGTRAP raise(SIGTRAP) +# else +# define YS_DEBUGTRAP do {} while(0) +# endif +#endif + +// YS_DEBUGTRAP_IF_DEBUGGING is a macro that is functionally equivalent to a breakpoint +// 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__) || (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 { \ + auto old = signal(SIGTRAP, SIG_IGN); raise(SIGTRAP); signal(SIGTRAP, old); \ + } while(0) +#else +# define YS_DEBUGTRAP_IF_DEBUGGING do {} while(0) +#endif + struct log_cmd_error_exception { }; extern std::vector<FILE*> log_files; @@ -164,19 +202,16 @@ void log_flush(); struct LogExpectedItem { - LogExpectedItem(std::string pattern, int expected) : - expected_count(expected), - current_count(0), - pattern(pattern) - { - } + LogExpectedItem(const YS_REGEX_TYPE &pat, int expected) : + pattern(pat), expected_count(expected), current_count(0) {} + LogExpectedItem() : expected_count(0), current_count(0) {} + YS_REGEX_TYPE pattern; int expected_count; int current_count; - std::string pattern; }; -extern std::vector<std::pair<YS_REGEX_TYPE,LogExpectedItem>> log_expect_log, log_expect_warning, log_expect_error; +extern dict<std::string, LogExpectedItem> log_expect_log, log_expect_warning, log_expect_error; void log_check_expected(); const char *log_signal(const RTLIL::SigSpec &sig, bool autoint = true); |