FastSemihosting.cpp File Reference

#include <string.h>
#include "DebuggerChecker.h"
#include "FastSemihosting.h"
#include "ProfilerCompatibility.h"
#include "SysprogsProfilerInterface.h"

Macros
#define	AngelSWI   AngelSWI_ARM
#define	FAST_SEMIHOSTING_BUFFER_SIZE   4096
#define	FAST_SEMIHOSTING_BLOCKING_MODE   1
#define	FAST_SEMIHOSTING_STDIO_DRIVER   1
#define	FAST_SEMIHOSTING_PROFILER_DRIVER   1
#define	FAST_SEMIHOSTING_HOLD_INTERRUPTS   0

Typedefs
typedef unsigned	ChannelDescriptorType

Enumerations
enum	{ kInitializeFastSemihosting, kControlFastSemihostingPolling }

Functions
int	_isatty ()
int	_write (int fd, char *pBuffer, int size)
void	InitializeFastSemihosting ()
	Do not call directly. More...
int	WriteToFastSemihostingChannel (unsigned char channel, const void *pBuffer, int size, int writeAll)
	Do not call directly. Enable the Redirect printf() to fast semihosting option instead and use regular printf(). More...
int	__attribute ((weak)) SysprogsProfiler_WriteData(ProfilerDataChannel channel
	if (availableSpace< (headerSize+payloadSize)) result=0
else	if (g_FastSemihostingCallActive) result=0
	if (done!=(int) headerSize) asm("bkpt 255")
int	SysprogsProfiler_GetBufferAvailability (unsigned exp)
void	__attribute__ ((noinline)) SuspendFastSemihostingPolling()
void	RequestBlockingProcessingViaFastSemihosting ()

Variables
int	g_FastSemihostingCallActive
int const void *	pHeader
int const void unsigned	headerSize
int const void unsigned const void *	pPayload
int	result = headerSize + payloadSize
unsigned	availableSpace = GetFastSemihostingFreeBufferSize()
	else
	done = WriteToFastSemihostingChannel(channel, pPayload, payloadSize, 1)

Macro Definition Documentation

#define AngelSWI   AngelSWI_ARM

#define FAST_SEMIHOSTING_BLOCKING_MODE   1

#define FAST_SEMIHOSTING_BUFFER_SIZE   4096

#define FAST_SEMIHOSTING_HOLD_INTERRUPTS   0

#define FAST_SEMIHOSTING_PROFILER_DRIVER   1

#define FAST_SEMIHOSTING_STDIO_DRIVER   1

Typedef Documentation

typedef unsigned ChannelDescriptorType

Enumeration Type Documentation

anonymous enum

Enumerator
kInitializeFastSemihosting
kControlFastSemihostingPolling

Function Documentation

int __attribute

(

(weak)

)

static __attribute__

(

(noinline)

)

int _isatty

(

)

int _write	(	int	fd,
		char *	pBuffer,
		int	size
	)

if ( )

pure virtual

else if ( g_FastSemihostingCallActive  )

pure virtual

if

(

done!

= (int) headerSize

)

void InitializeFastSemihosting

(

)

Do not call directly.

Do not call this explicitly, unless you want VisualGDB to set global variables like s_FastSemihostingInitialized.

void RequestBlockingProcessingViaFastSemihosting

(

)

int SysprogsProfiler_GetBufferAvailability

(

unsigned

exp

)

int WriteToFastSemihostingChannel	(	unsigned char	channel,
		const void *	pBuffer,
		int	size,
		int	writeAll
	)

Do not call directly. Enable the Redirect printf() to fast semihosting option instead and use regular printf().

Variable Documentation

unsigned availableSpace = GetFastSemihostingFreeBufferSize()

char Data[FAST_SEMIHOSTING_BUFFER_SIZE]

done = WriteToFastSemihostingChannel(channel, pPayload, payloadSize, 1)

else

Initial value:

{
        int done = WriteToFastSemihostingChannel(channel, pHeader, headerSize, 1)

int const void unsigned const void unsigned payloadSize int g_FastSemihostingCallActive

int const void unsigned headerSize

volatile unsigned LastKnownSwitchOffset

int const void* pHeader

int const void unsigned const void* pPayload

volatile unsigned ReadOffset

return result = headerSize + payloadSize

volatile unsigned WriteOffset