mirror of
https://github.com/stefanocasazza/ULib.git
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120 lines
4.4 KiB
C++
120 lines
4.4 KiB
C++
// ============================================================================
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//
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// = LIBRARY
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// ULib - c++ library
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//
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// = FILENAME
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// trace.h
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//
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// = AUTHOR
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// Stefano Casazza
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//
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// ============================================================================
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#ifndef ULIB_TRACE_H
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#define ULIB_TRACE_H 1
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#include <ulib/base/trace.h>
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#include <ulib/debug/error_simulation.h>
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#define U_MANAGE_RETURN_VALUE(type,format) \
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type trace_return_type(type ret) { \
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void* ptr_value = USimulationError::checkForMatch(buffer_trace); \
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if (ptr_value) \
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ret = *(type*)ptr_value; \
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trace_return(format, ret); \
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return ret; }
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#define U_MANAGE_SYSRETURN_VALUE(type,format,error) \
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type trace_sysreturn_type(type ret) { \
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void* ptr_value = USimulationError::checkForMatch(buffer_syscall); \
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if (ptr_value) \
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ret = *(type*)ptr_value; \
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trace_sysreturn((error), format, ret); \
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return ret; }
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typedef DIR* pdir_t;
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typedef void* pvoid_t;
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typedef FILE* pfile_t;
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typedef const void* pcvoid_t;
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typedef char* pchar_t;
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typedef const char* pcchar_t;
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typedef unsigned char* puchar_t;
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typedef const unsigned char* pcuchar_t;
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// typedef int (*x11error_t) (void*, void*);
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// typedef int (*x11IOerror_t)(void*);
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class U_EXPORT UTrace {
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public:
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// Initialization and termination methods
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char active[1];
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char flag_syscall_read_or_write[1];
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UTrace(int level, const char* format, ...);
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~UTrace();
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// trace return from generic call
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void trace_return(const char* format, ...);
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// manage return from generic call for tipology of value (of return)...
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U_MANAGE_RETURN_VALUE(bool, "%b")
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U_MANAGE_RETURN_VALUE(char, "%C")
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U_MANAGE_RETURN_VALUE(int, "%d")
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U_MANAGE_RETURN_VALUE(unsigned int, "%u")
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U_MANAGE_RETURN_VALUE(long, "%ld")
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U_MANAGE_RETURN_VALUE(unsigned long, "%lu")
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U_MANAGE_RETURN_VALUE(long long, "%lld")
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U_MANAGE_RETURN_VALUE(unsigned long long, "%llu")
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U_MANAGE_RETURN_VALUE(float, "%f")
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U_MANAGE_RETURN_VALUE(double, "%g")
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U_MANAGE_RETURN_VALUE(long double, "%LG")
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U_MANAGE_RETURN_VALUE(void*, "%p")
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U_MANAGE_RETURN_VALUE(const void*, "%p")
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U_MANAGE_RETURN_VALUE(char*, "%S")
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U_MANAGE_RETURN_VALUE(const char*, "%S")
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U_MANAGE_RETURN_VALUE(void**, "%p")
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U_MANAGE_RETURN_VALUE(char**, "%p")
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// trace call and return from system call
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void trace_syscall( const char* format, ...);
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void trace_sysreturn(bool error, const char* format, ...);
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// manage return from system call for tipology of value (of return)...
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U_MANAGE_SYSRETURN_VALUE(int, "%d", ret == -1)
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U_MANAGE_SYSRETURN_VALUE(unsigned int, "%u", ret == 0U)
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U_MANAGE_SYSRETURN_VALUE(long, "%ld", ret == -1L)
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U_MANAGE_SYSRETURN_VALUE(long long, "%lld", ret == -1LL)
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U_MANAGE_SYSRETURN_VALUE(unsigned long, "%lu", ret == 0UL)
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U_MANAGE_SYSRETURN_VALUE(unsigned long long, "%llu", ret == 0ULL)
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U_MANAGE_SYSRETURN_VALUE(float, "%f", ret == 0.0)
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U_MANAGE_SYSRETURN_VALUE(double, "%g", ret == 0.0)
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U_MANAGE_SYSRETURN_VALUE(pvoid_t, "%p", ret == 0 ||
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ret == (void*)-1)
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U_MANAGE_SYSRETURN_VALUE(pcvoid_t, "%p", ret == 0 ||
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ret == (const void*)-1)
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U_MANAGE_SYSRETURN_VALUE(pchar_t, "%S", ret == 0)
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U_MANAGE_SYSRETURN_VALUE(pcchar_t, "%S", ret == 0)
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U_MANAGE_SYSRETURN_VALUE(puchar_t, "%S", ret == 0)
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U_MANAGE_SYSRETURN_VALUE(pcuchar_t, "%S", ret == 0)
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U_MANAGE_SYSRETURN_VALUE(pdir_t, "%p", ret == 0)
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U_MANAGE_SYSRETURN_VALUE(pfile_t, "%p", ret == 0)
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U_MANAGE_SYSRETURN_VALUE(sighandler_t, "%p", ret == (sighandler_t)SIG_ERR)
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static int suspend() { int status = u_trace_suspend; u_trace_suspend = 1; return status; }
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static void resume(int status) { u_trace_suspend = status; }
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private:
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char buffer_trace[1019], buffer_syscall[1019];
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uint32_t buffer_trace_len, buffer_syscall_len;
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};
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#endif
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