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darling-gdb/gdb/rdi-share/dbg_rdi.h
Stan Shebs c906108c21 Initial creation of sourceware repository
1999-04-16 01:35:26 +00:00

512 lines
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/*
* Copyright (C) 1995 Advanced RISC Machines Limited. All rights reserved.
*
* This software may be freely used, copied, modified, and distributed
* provided that the above copyright notice is preserved in all copies of the
* software.
*/
/*
* ARM debugger toolbox : dbg_rdi.h
*/
/*
* RCS $Revision$
* Checkin $Date$
*/
#ifndef dbg_rdi__h
#define dbg_rdi__h
/***************************************************************************\
* Other RDI values *
\***************************************************************************/
#define RDISex_Little 0 /* the byte sex of the debuggee */
#define RDISex_Big 1
#define RDISex_DontCare 2
#define RDIPoint_EQ 0 /* the different types of break/watchpoints */
#define RDIPoint_GT 1
#define RDIPoint_GE 2
#define RDIPoint_LT 3
#define RDIPoint_LE 4
#define RDIPoint_IN 5
#define RDIPoint_OUT 6
#define RDIPoint_MASK 7
#define RDIPoint_16Bit 16 /* 16-bit breakpoint */
#define RDIPoint_Conditional 32
/* ORRed with point type in extended RDP break and watch messages */
#define RDIPoint_Inquiry 64
#define RDIPoint_Handle 128 /* messages */
#define RDIWatch_ByteRead 1 /* types of data accesses to watch for*/
#define RDIWatch_HalfRead 2
#define RDIWatch_WordRead 4
#define RDIWatch_ByteWrite 8
#define RDIWatch_HalfWrite 16
#define RDIWatch_WordWrite 32
#define RDIReg_R15 (1L << 15) /* mask values for CPU */
#define RDIReg_PC (1L << 16)
#define RDIReg_CPSR (1L << 17)
#define RDIReg_SPSR (1L << 18)
#define RDINumCPURegs 19
#define RDINumCPRegs 10 /* current maximum */
#define RDIMode_Curr 255
/* RDI_Info subcodes */
/* rdp in parameters are all preceded by */
/* in byte = RDP_Info, word = info subcode */
/* out parameters are all preceded by */
/* out byte = RDP_Return */
#define RDIInfo_Target 0
/* rdi: out ARMword *targetflags, out ARMword *processor id */
/* rdp: in none, out word targetflags, word processorid, byte status */
/* the following bits are defined in targetflags */
# define RDITarget_LogSpeed 0x0f
# define RDITarget_HW 0x10 /* else emulator */
# define RDITarget_AgentMaxLevel 0xe0
# define RDITarget_AgentLevelShift 5
# define RDITarget_DebuggerMinLevel 0x700
# define RDITarget_DebuggerLevelShift 8
# define RDITarget_CanReloadAgent 0x800
# define RDITarget_CanInquireLoadSize 0x1000
# define RDITarget_UnderstandsRDPInterrupt 0x2000
# define RDITarget_CanProfile 0x4000
# define RDITarget_Code16 0x8000
# define RDITarget_HasCommsChannel 0x10000
#define RDIInfo_Points 1
/* rdi: out ARMword *pointcapabilities */
/* rdp: in none, out word pointcapabilities, byte status */
/* the following bits are defined in pointcapabilities */
# define RDIPointCapability_Comparison 1
# define RDIPointCapability_Range 2
/* 4 to 128 are RDIWatch_xx{Read,Write} left-shifted by two */
# define RDIPointCapability_Mask 0x100
# define RDIPointCapability_ThreadBreak 0x200
# define RDIPointCapability_ThreadWatch 0x400
# define RDIPointCapability_CondBreak 0x800
# define RDIPointCapability_Status 0x1000 /* status enquiries available */
#define RDIInfo_Step 2
/* rdi: out ARMword *stepcapabilities */
/* rdp: in none, out word stepcapabilities, byte status */
/* the following bits are defined in stepcapabilities */
# define RDIStep_Multiple 1
# define RDIStep_PCChange 2
# define RDIStep_Single 4
#define RDIInfo_MMU 3
/* rdi: out ARMword *mmuidentity */
/* rdp: in none, out word mmuidentity, byte status */
#define RDIInfo_DownLoad 4
/* Inquires whether configuration download and selection is available. */
/* rdp: in none, out byte status */
/* No argument, no return value. status == ok if available */
#define RDIInfo_SemiHosting 5
/* Inquires whether RDISemiHosting_* RDI_Info calls are available. */
/* rdp: in none, out byte status */
/* No argument, no return value. status == ok if available */
#define RDIInfo_CoPro 6
/* Inquires whether CoPro RDI_Info calls are available. */
/* rdp: in none, out byte status */
/* No argument, no return value. status == ok if available */
#define RDIInfo_Icebreaker 7
/* Inquires whether debuggee controlled by IceBreaker. */
/* rdp: in none, out byte status */
/* No argument, no return value. status == ok if available */
#define RDIMemory_Access 8
/* rdi: out RDI_MemAccessStats *p, in ARMword *handle */
/* rdp: in word handle */
/* out word nreads, word nwrites, word sreads, word swrites, */
/* word ns, word s, byte status */
/* Get memory access information for memory block with specified handle */
#define RDIMemory_Map 9
/* rdi: in RDI_MemDescr md[n], in ARMword *n */
/* rdp: in word n, n * { */
/* word handle, word start, word limit, */
/* byte width, byte access */
/* word Nread_ns, word Nwrite_ns, */
/* word Sread_ns, word Swrite_ns} */
/* out byte status */
/* Sets memory characteristics. */
#define RDISet_CPUSpeed 10
/* rdi: in ARMword *speed */
/* rdp: in word speed, out byte status */
/* Sets CPU speed (in ns) */
#define RDIRead_Clock 12
/* rdi: out ARMword *ns, out ARMword *s */
/* rdp: in none, out word ns, word s, byte status */
/* Reads simulated time */
#define RDIInfo_Memory_Stats 13
/* Inquires whether RDI_Info codes 8-10 are available */
/* rdp: in none, out byte status */
/* No argument, no return value. status == ok if available */
/* The next two are only to be used if RDIInfo_DownLoad returned no */
/* error */
#define RDIConfig_Count 14
/* rdi: out ARMword *count */
/* rdp: out byte status, word count (if status == OK) */
/* In addition, the next one is only to be used if RDIConfig_Count */
/* returned no error */
typedef struct { unsigned32 version; char name[32]; } RDI_ConfigDesc;
#define RDIConfig_Nth 15
/* rdi: in ARMword *n, out RDI_ConfigDesc * */
/* rdp: in word n */
/* out word version, byte namelen, bytes * bytelen name, */
/* byte status */
/* Set a front-end polling function to be used from within driver poll */
/* loops */
typedef void RDI_PollProc(void *);
typedef struct { RDI_PollProc *p; void *arg; } RDI_PollDesc;
#define RDISet_PollProc 16
/* rdi: in RDI_PollDesc const *from, RDI_PollDesc *to */
/* if from non-NULL, sets the polling function from it */
/* if to non-NULL, returns the previous polling function to it */
/* No corresponding RDP operation */
/* Called on debugger startup to see if the target is ready to execute */
#define RDIInfo_CanTargetExecute 20
/* rdi: in void
* out byte status (RDIError_NoError => Yes, Otherwise No)
*/
/* Called to set the top of target memory in an ICEman2 system
* This is then used by ICEman to tell the C Library via the INFOHEAP
* SWI where the stack should start.
* Note that only ICEman2 supports this call. Other systems eg.
* Demon, Angel, will simply return an error, which means that setting
* the top of memory in this fashion is not supported.
*/
#define RDIInfo_SetTopMem 21
/* rdi: in word mem_top
* out byte status (RDIError_NoError => Done, Other => Not supported
*/
/* Called before performing a loadagent to determine the endianess of
* the debug agent, so that images of the wrong bytesex can be
* complained about
*/
#define RDIInfo_AgentEndianess 22
/* rdi: in void
* out byte status
* status should be RDIError_LittleEndian or RDIError_BigEndian
* any other value indicates the target does not support this
* request, so the debugger will have to make a best guess, which
* probably means only allow little endian loadagenting.
*/
/* The next two are only to be used if the value returned by */
/* RDIInfo_Points has RDIPointCapability_Status set. */
#define RDIPointStatus_Watch 0x80
#define RDIPointStatus_Break 0x81
/* rdi: inout ARMword * (in handle, out hwresource), out ARMword *type */
/* rdp: in word handle, out word hwresource, word type, byte status */
#define RDISignal_Stop 0x100
/* Requests that the debuggee stop */
/* No arguments, no return value */
/* rdp: no reply (when the debuggee stops, there will be a reply to the */
/* step or execute request which started it) */
#define RDIVector_Catch 0x180
/* rdi: in ARMword *bitmap */
/* rdp: int word bitmap, out byte status */
/* bit i in bitmap set to cause vector i to cause entry to debugger */
/* The next four are only to be used if RDIInfo_Semihosting returned */
/* no error */
#define RDISemiHosting_SetState 0x181
/* rdi: in ARMword *semihostingstate */
/* rdp: in word semihostingstate, out byte status */
#define RDISemiHosting_GetState 0x182
/* rdi: out ARMword *semihostingstate */
/* rdp: in none, out word semihostingstate, byte status */
#define RDISemiHosting_SetVector 0x183
/* rdi: in ARMword *semihostingvector */
/* rdp: in word semihostingvector, out byte status */
#define RDISemiHosting_GetVector 0x184
/* rdi: out ARMword *semihostingvector */
/* rdp: in none, out word semihostingvector, byte status */
/* The next two are only to be used if RDIInfo_Icebreaker returned */
/* no error */
#define RDIIcebreaker_GetLocks 0x185
/* rdi: out ARMword *lockedstate */
/* rdp: in none, out word lockedstate, byte status */
#define RDIIcebreaker_SetLocks 0x186
/* rdi: in ARMword *lockedstate */
/* rdp: in word lockedstate, out byte status */
/* lockedstate is a bitmap of the icebreaker registers locked against */
/* use by IceMan (because explicitly written by the user) */
#define RDIInfo_GetLoadSize 0x187
/* rdi: out ARMword *maxloadsize */
/* rdp: in none, out word maxloadsize, byte status */
/* Inquires the maximum length of data transfer the agent is prepared */
/* to receive */
/* Only usable if RDIInfo_Target returned RDITarget_CanInquireLoadSize */
/* rdi: out ARMword *size */
/* Only to be used if the value returned by RDIInfo_Target had */
/* RDITarget_HasCommsChannel set */
typedef void RDICCProc_ToHost(void *arg, ARMword data);
typedef void RDICCProc_FromHost(void *arg, ARMword *data, int *valid);
#define RDICommsChannel_ToHost 0x188
/* rdi: in RDICCProc_ToHost *, in void *arg */
/* rdp: in byte connect, out byte status */
#define RDICommsChannel_FromHost 0x189
/* rdi: in RDICCProc_FromHost *, in void *arg */
/* rdp: in byte connect, out byte status */
/* These 4 are only to be used if RDIInfo_Semihosting returns no error */
#define RDISemiHosting_SetARMSWI 0x190
/* rdi: in ARMword ARM_SWI_number */
/* rdp: in ARMword ARM_SWI_number, out byte status */
#define RDISemiHosting_GetARMSWI 0x191
/* rdi: out ARMword ARM_SWI_number */
/* rdp: out ARMword ARM_SWI_number, byte status */
#define RDISemiHosting_SetThumbSWI 0x192
/* rdi: in ARMword Thumb_SWI_number */
/* rdp: in ARMword Thumb_SWI_number, out byte status */
#define RDISemiHosting_GetThumbSWI 0x193
/* rdi: out ARMword ARM_Thumb_number */
/* rdp: out ARMword ARM_Thumb_number, byte status */
#define RDICycles 0x200
/* rdi: out ARMword cycles[12] */
/* rdp: in none, out 6 words cycles, byte status */
/* the rdi result represents 6 big-endian doublewords; the rdp results */
/* return values for the ls halves of these */
# define RDICycles_Size 48
#define RDIErrorP 0x201
/* rdi: out ARMaddress *errorp */
/* rdp: in none, out word errorp, byte status */
/* Returns the error pointer associated with the last return from step */
/* or execute with status RDIError_Error. */
#define RDISet_Cmdline 0x300
/* rdi: in char *commandline (a null-terminated string) */
/* No corresponding RDP operation (cmdline is sent to the agent in */
/* response to SWI_GetEnv) */
#define RDISet_RDILevel 0x301
/* rdi: in ARMword *level */
/* rdp: in word level, out byte status */
/* Sets the RDI/RDP protocol level to be used (must lie between the */
/* limits returned by RDIInfo_Target). */
#define RDISet_Thread 0x302
/* rdi: in ARMword *threadhandle */
/* rdp: in word threadhandle, out byte status */
/* Sets the thread context for subsequent thread-sensitive operations */
/* (null value sets no thread) */
/* The next two are only to be used if RDI_read or RDI_write returned */
/* RDIError_LittleEndian or RDIError_BigEndian, to signify that the */
/* debugger has noticed. */
#define RDIInfo_AckByteSex 0x303
/* rdi: in ARMword *sex (RDISex_Little or RDISex_Big) */
/* The next two are only to be used if RDIInfo_CoPro returned no error */
#define RDIInfo_DescribeCoPro 0x400
/* rdi: in int *cpno, Dbg_CoProDesc *cpd */
/* rdp: in byte cpno, */
/* cpd->entries * { */
/* byte rmin, byte rmax, byte nbytes, byte access, */
/* byte cprt_r_b0, cprt_r_b1, cprt_w_b0, cprt_w_b1} */
/* byte = 255 */
/* out byte status */
#define RDIInfo_RequestCoProDesc 0x401
/* rdi: in int *cpno, out Dbg_CoProDesc *cpd */
/* rpd: in byte cpno */
/* out nentries * { */
/* byte rmin, byte rmax, byte nbytes, byte access, */
/* } */
/* byte = 255, byte status */
#define RDIInfo_Log 0x800
/* rdi: out ARMword *logsetting */
/* No corresponding RDP operation */
#define RDIInfo_SetLog 0x801
/* rdi: in ARMword *logsetting */
/* No corresponding RDP operation */
#define RDIProfile_Stop 0x500
/* No arguments, no return value */
/* rdp: in none, out byte status */
/* Requests that pc sampling stop */
#define RDIProfile_Start 0x501
/* rdi: in ARMword *interval */
/* rdp: in word interval, out byte status */
/* Requests that pc sampling start, with period <interval> usec */
#define RDIProfile_WriteMap 0x502
/* rdi: in ARMword map[] */
/* map[0] is the length of the array, subsequent elements are sorted */
/* and are the base of ranges for pc sampling (so if the sampled pc */
/* lies between map[i] and map[i+1], count[i] is incremented). */
/* rdp: a number of messages, each of form: */
/* in word len, word size, word offset, <size> words map data */
/* out status */
/* len, size and offset are all word counts. */
#define RDIProfile_ReadMap 0x503
/* rdi: in ARMword *len, out ARMword counts[len] */
/* Requests that the counts array be set to the accumulated pc sample */
/* counts */
/* rdp: a number of messages, each of form: */
/* in word offset, word size */
/* out <size> words, status */
/* len, size and offset are all word counts. */
#define RDIProfile_ClearCounts 0x504
/* No arguments, no return value */
/* rdp: in none, out byte status */
/* Requests that pc sample counts be set to zero */
#define RDIInfo_RequestReset 0x900
/* Request reset of the target environment */
/* No arguments, no return value */
/* No RDP equivalent, sends an RDP reset */
#define RDIInfo_CapabilityRequest 0x8000
/* Request whether the interface supports the named capability. The */
/* capability is specified by or'ing the RDIInfo number with this, and */
/* sending that request */
/* rdi: in none */
/* rdp: in none, out byte status */
typedef struct {
ARMword len;
ARMword map[1];
} RDI_ProfileMap;
typedef unsigned32 PointHandle;
typedef unsigned32 ThreadHandle;
#define RDINoPointHandle ((PointHandle)-1L)
#define RDINoHandle ((ThreadHandle)-1L)
struct Dbg_ConfigBlock;
struct Dbg_HostosInterface;
struct Dbg_MCState;
typedef int rdi_open_proc(unsigned type, struct Dbg_ConfigBlock const *config,
struct Dbg_HostosInterface const *i,
struct Dbg_MCState *dbg_state);
typedef int rdi_close_proc(void);
typedef int rdi_read_proc(ARMword source, void *dest, unsigned *nbytes);
typedef int rdi_write_proc(const void *source, ARMword dest, unsigned *nbytes);
typedef int rdi_CPUread_proc(unsigned mode, unsigned32 mask, ARMword *state);
typedef int rdi_CPUwrite_proc(unsigned mode, unsigned32 mask, ARMword const *state);
typedef int rdi_CPread_proc(unsigned CPnum, unsigned32 mask, ARMword *state);
typedef int rdi_CPwrite_proc(unsigned CPnum, unsigned32 mask, ARMword const *state);
typedef int rdi_setbreak_proc(ARMword address, unsigned type, ARMword bound,
PointHandle *handle);
typedef int rdi_clearbreak_proc(PointHandle handle);
typedef int rdi_setwatch_proc(ARMword address, unsigned type, unsigned datatype,
ARMword bound, PointHandle *handle);
typedef int rdi_clearwatch_proc(PointHandle handle);
typedef int rdi_execute_proc(PointHandle *handle);
typedef int rdi_step_proc(unsigned ninstr, PointHandle *handle);
typedef int rdi_info_proc(unsigned type, ARMword *arg1, ARMword *arg2);
typedef int rdi_pointinq_proc(ARMword *address, unsigned type,
unsigned datatype, ARMword *bound);
typedef enum {
RDI_ConfigCPU,
RDI_ConfigSystem
} RDI_ConfigAspect;
typedef enum {
RDI_MatchAny,
RDI_MatchExactly,
RDI_MatchNoEarlier
} RDI_ConfigMatchType;
typedef int rdi_addconfig_proc(unsigned32 nbytes);
typedef int rdi_loadconfigdata_proc(unsigned32 nbytes, char const *data);
typedef int rdi_selectconfig_proc(RDI_ConfigAspect aspect, char const *name,
RDI_ConfigMatchType matchtype, unsigned versionreq,
unsigned *versionp);
typedef char *getbufferproc(void *getbarg, unsigned32 *sizep);
typedef int rdi_loadagentproc(ARMword dest, unsigned32 size, getbufferproc *getb, void *getbarg);
typedef int rdi_targetisdead(void);
typedef struct {
int itemmax;
char const * const *names;
} RDI_NameList;
typedef RDI_NameList const *rdi_namelistproc(void);
typedef int rdi_errmessproc(char *buf, int buflen, int errnum);
struct RDIProcVec {
char rditypename[12];
rdi_open_proc *open;
rdi_close_proc *close;
rdi_read_proc *read;
rdi_write_proc *write;
rdi_CPUread_proc *CPUread;
rdi_CPUwrite_proc *CPUwrite;
rdi_CPread_proc *CPread;
rdi_CPwrite_proc *CPwrite;
rdi_setbreak_proc *setbreak;
rdi_clearbreak_proc *clearbreak;
rdi_setwatch_proc *setwatch;
rdi_clearwatch_proc *clearwatch;
rdi_execute_proc *execute;
rdi_step_proc *step;
rdi_info_proc *info;
/* V2 RDI */
rdi_pointinq_proc *pointinquiry;
/* These three useable only if RDIInfo_DownLoad returns no error */
rdi_addconfig_proc *addconfig;
rdi_loadconfigdata_proc *loadconfigdata;
rdi_selectconfig_proc *selectconfig;
rdi_namelistproc *drivernames;
rdi_namelistproc *cpunames;
rdi_errmessproc *errmess;
/* Only if RDIInfo_Target returns a value with RDITarget_LoadAgent set */
rdi_loadagentproc *loadagent;
rdi_targetisdead *targetisdead;
};
#endif
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