914d02825f
- BSD-licensed Code gratefully taken from the project at http://en.sourceforge.jp/projects/sfnet_vassertlinuxsdk/ - For more information on vmware VAssert, a powerful debugging facility usable under vmware, see: www.vmware.com/pdf/ws65_vassert_programming.pdf
139 lines
3.5 KiB
C
139 lines
3.5 KiB
C
#ifndef _VASSERT_H_
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#define _VASSERT_H_
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#ifdef __cplusplus
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extern "C"
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{
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#endif /*__cplusplus*/
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#define ALIGNED(n) __attribute__((__aligned__(n)))
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#define VASSERT_TRIGGER_OFFSET 1221
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#define VASSERT_PAGE_SIZE 4096
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/* Need to align at 4K. */
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/* Ensure the inReplay flag is on its own page. */
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#pragma pack(1)
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typedef struct VAssert_StateWrapper {
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char space1[VASSERT_TRIGGER_OFFSET];
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volatile char inReplay;
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char space[VASSERT_PAGE_SIZE - VASSERT_TRIGGER_OFFSET - sizeof(char)];
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} VAssert_StateWrapper;
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#pragma pack()
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extern VAssert_StateWrapper vassert_state;
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/*
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* User-selectable standard functions.
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* XXX: Document these, in coordination with the SDK docs.
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*/
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#if defined(__KERNEL__)
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# define KERNEL_VASSERT
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#endif
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#ifdef KERNEL_VASSERT
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# ifndef VASSERT_CUSTOM_ASSERT
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# define VASSERT_CUSTOM_ASSERT(expr)
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# endif
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# ifndef VASSERT_CUSTOM_ABORT
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# include <linux/kernel.h>
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# define VASSERT_CUSTOM_ABORT() ((void)0) // printk(KERN_ALERT"VAssert abort at %s: %d", __FILE__, __LINE__)
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# endif
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# ifndef VASSERT_CUSTOM_LOG
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# include <linux/kernel.h>
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# define VASSERT_CUSTOM_LOG printk
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# endif
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#else
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# ifndef VASSERT_CUSTOM_ASSERT
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# include <assert.h>
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# define VASSERT_CUSTOM_ASSERT assert
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# endif
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# ifndef VASSERT_CUSTOM_ABORT
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# include <stdlib.h>
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# define VASSERT_CUSTOM_ABORT abort
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# endif
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# ifndef VASSERT_CUSTOM_LOG
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# include <stdio.h>
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# define VASSERT_CUSTOM_LOG printf
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# endif
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#endif
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/* Results: 0 if successful, -1 if not. */
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// XXX need to automatic de-register trigger page when the program quits
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extern char VAssert_Init(void);
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extern char VAssert_Uninit(void);
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/*
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* These functions should not be called directly; they need to be wrapped.
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*/
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extern void VAssert_LogMain(const char *format, ...);
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extern void VAssert_GoLiveMain(void);
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extern void VAssert_ReturnToReplayMain(void);
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extern char VAssert_Trace(size_t max_size);
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#ifdef VASSERT_ALWAYS_EXECUTE
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#define VAssert_Assert(expr) \
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do { \
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VASSERT_CUSTOM_ASSERT(expr); \
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} while (0)
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#define VAssert_Log(args) \
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do { \
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VASSERT_CUSTOM_LOG args; \
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} while (0)
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#define VAssert_BeginBlock
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#define VAssert_EndBlock
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#else /* VASSERT_ALWAYS_EXECUTE */
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#define VAssert_Assert(expr) \
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do { \
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if (vassert_state.inReplay) { \
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if (!(expr)) { \
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VAssert_GoLiveMain(); \
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VASSERT_CUSTOM_ABORT(); \
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} else { \
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VAssert_ReturnToReplayMain(); \
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} \
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} \
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} while (0)
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#define VAssert_Log(args) \
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do { \
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if (vassert_state.inReplay) { \
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VAssert_LogMain args; \
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VAssert_ReturnToReplayMain(); \
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} \
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} while (0)
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#define VAssert_BeginBlock if (vassert_state.inReplay)
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#define VAssert_EndBlock VAssert_ReturnToReplayMain()
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#endif /* VASSERT_ALWAYS_EXECUTE */
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/*
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* Record/Replay functionality
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*/
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/*
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* Results: True if successful, false if not.
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* Input: True to start recording, false to stop.
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*/
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extern char VAssert_SetRecordingMain(char start);
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#define VAssert_StartRecording() VAssert_SetRecordingMain(1)
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#define VAssert_StopRecording() VAssert_SetRecordingMain(0)
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#ifdef __cplusplus
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}
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#endif /*__cplusplus*/
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#endif /*_VASSERT_H_*/
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