remove amtrace.h for redesign
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86d6b20739
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49
am/amtrace.h
49
am/amtrace.h
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#ifndef __AMTRACE_H__
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#define __AMTRACE_H__
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#ifdef __cplusplus
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extern "C" {
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#endif
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// payload of function calls
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typedef struct _CallArgs {
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uintptr_t a0, a1, a2, a3;
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} _CallArgs;
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typedef union _Payload {
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_CallArgs args;
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uintptr_t retval;
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} _CallPayload;
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struct _TraceEvent {
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uint16_t cpu; // cpu id (0 based)
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uint16_t type; // _TRACE_ ## { CALL | RET }
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uint32_t time; // time stamp
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uintptr_t ref; // a pointer
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char payload[]; // _Payload: CALL -> .args
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// RET -> .retval
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} __attribute__((packed));
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typedef struct _TraceEvent _TraceEvent;
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// ========================= trace components ========================
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#define _TRACE_IOE 0x00010000
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#define _TRACE_CTE 0x00020000
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#define _TRACE_VME 0x00040000
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// =========================== trace points ==========================
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#define _TRACE_CALL 0x00000001
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#define _TRACE_RET 0x00000002
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#define _TRACE_FUNC (_TRACE_CALL | _TRACE_RET)
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#define _TRACE_ALL 0xffffffff
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void _trace_on(uint32_t flags);
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void _trace_off(uint32_t flags);
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#ifdef __cplusplus
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}
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#endif
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#endif
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