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Diffstat (limited to 'gdb/rdi-share/armdbg.h')
| -rw-r--r-- | gdb/rdi-share/armdbg.h | 1452 |
1 files changed, 0 insertions, 1452 deletions
diff --git a/gdb/rdi-share/armdbg.h b/gdb/rdi-share/armdbg.h deleted file mode 100644 index b5fae11..0000000 --- a/gdb/rdi-share/armdbg.h +++ /dev/null @@ -1,1452 +0,0 @@ -/* - * 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 symbolic debugger toolbox interface - */ - -/* - * RCS $Revision$ - * Checkin $Date$ - */ - -/* Minor points of uncertainty are indicated by a question mark in the - LH margin. - - Wherever an interface is required to iterate over things of some class, - I prefer something of the form EnumerateXXs(..., XXProc *p, void *arg) - which results in a call of p(xx, arg) for each xx, rather than something - of the form - for (xxh = StartIterationOverXXs(); (xx = Next(xxh)) != 0; ) { ... } - EndIterationOverXXs(xxh); - Others may disagree. - (Each XXProc returns an Error value: if this is not Err_OK, iteration - stops immediately and the EnumerateXXs function returns that value). - - ptrace has been retired as of insufficient utility. If such fuctionality is - required, it can be constructed using breakpoints. - - The file form of all name fields in debug areas is in-line, with a length - byte and no terminator. The debugger toolbox makes an in-store translation, - where the strings are out of line (the namep variant in asdfmt.h) and have a - terminating zero byte: the pointer is to the first character of the string - with the length byte at ...->n.namep[-1]. - */ - -#ifndef armdbg__h -#define armdbg__h - -#include <stddef.h> - -#include "host.h" -#include "msg.h" - -typedef unsigned32 ARMaddress; -typedef unsigned32 ARMword; -typedef unsigned16 ARMhword; - -#include "dbg_conf.h" -#include "dbg_rdi.h" - -#ifdef __cplusplus -extern "C" -{ -#endif - -typedef unsigned char Dbg_Byte; - -typedef int Dbg_Error; - -typedef struct Dbg_MCState Dbg_MCState; -/* A representation of the state of the target. The structure is not revealed. - A pointer to one of these is returned by Dbg_Initialise(), is passed to all - toolbox calls which refer to the state of the target, and is discarded - by Dbg_Finalise(). - Nothing in the toolbox itself precludes there being multiple targets, each - with its own state. - */ - -/* Most toolbox interfaces return an error status. Only a few of the status - values are expected to be interesting to clients and defined here; the - rest are private (but a textual form can be produced by ErrorToChars()). - */ - -#define Error_OK 0 - -/* Partitioning of the error code space: errors below Dbg_Error_Base are RDI - errors (as defined in dbg_rdi.h). Codes above Dbg_Error_Limit are - available to clients, who may impose some further structure. - */ -#define Dbg_Error_Base 0x1000 -#define Dbg_Error_Limit 0x2000 - -#define DbgError(n) ((Dbg_Error)(Dbg_Error_Base+(n))) - -#define Dbg_Err_OK Error_OK -#define Dbg_Err_Interrupted DbgError(1) -#define Dbg_Err_Overflow DbgError(2) -#define Dbg_Err_FileNotFound DbgError(3) -#define Dbg_Err_ActivationNotPresent DbgError(4) -#define Dbg_Err_OutOfHeap DbgError(5) -#define Dbg_Err_TypeNotSimple DbgError(6) -#define Dbg_Err_BufferFull DbgError(7) -#define Dbg_Err_AtStackBase DbgError(8) -#define Dbg_Err_AtStackTop DbgError(9) -#define Dbg_Err_DbgTableFormat DbgError(10) -#define Dbg_Err_NotVariable DbgError(11) -#define Dbg_Err_NoSuchBreakPoint DbgError(12) -#define Dbg_Err_NoSuchWatchPoint DbgError(13) -#define Dbg_Err_FileLineNotFound DbgError(14) -#define Dbg_Err_DbgTableVersion DbgError(15) -#define Dbg_Err_NoSuchPath DbgError(16) -#define Dbg_Err_StateChanged DbgError(17) -#define Dbg_Err_SoftInitialiseError DbgError(18) -#define Dbg_Err_CoProRegNotWritable DbgError(19) -#define Dbg_Err_NotInHistory DbgError(20) -#define Dbg_Err_ContextSyntax DbgError(21) -#define Dbg_Err_ContextNoLine DbgError(22) -#define Dbg_Err_ContextTwoLines DbgError(23) -#define Dbg_Err_VarReadOnly DbgError(24) -#define Dbg_Err_FileNewerThanImage DbgError(25) -#define Dbg_Err_NotFound DbgError(26) - - /* functions which evaluate expressions may return this value, to indicate - that execution became suspended within a function called in the debugee */ - -/* Functions returning characters take a BufDesc argument, with fields buffer - and bufsize being input arguments describing the buffer to be filled, and - filled being set on return to the number of bytes written to the buffer - (omitting the terminating 0). - */ - -typedef struct Dbg_BufDesc Dbg_BufDesc; - -typedef void Dbg_BufferFullProc(Dbg_BufDesc *bd); - -struct Dbg_BufDesc { - char *buffer; - size_t size, - filled; - Dbg_BufferFullProc *p; - void *arg; -}; - -#define Dbg_InitBufDesc(bd, buf, bytes) \ - ((bd).buffer = (buf), (bd).size = (bytes), (bd).filled = 0,\ - (bd).p = NULL, (bd).arg = NULL) - -#define Dbg_InitBufDesc_P(bd, buf, bytes, fn, a) \ - ((bd).buffer = (buf), (bd).size = (bytes), (bd).filled = 0,\ - (bd).p = (fn), (bd).arg = (a)) - -Dbg_Error Dbg_StringToBuf(Dbg_BufDesc *buf, char const *s); -Dbg_Error Dbg_BufPrintf(Dbg_BufDesc *buf, char const *form, ...); -#ifdef NLS -Dbg_Error Dbg_MsgToBuf(Dbg_BufDesc *buf, msg_t t); -Dbg_Error Dbg_BufMsgPrintf(Dbg_BufDesc *buf, msg_t form, ...); -#else -#define Dbg_MsgToBuf Dbg_StringToBuf -#define Dbg_BufMsgPrintf Dbg_BufPrintf -#endif -Dbg_Error Dbg_CharToBuf(Dbg_BufDesc *buf, int ch); - -int Dbg_CIStrCmp(char const *s1, char const *s2); -/* Case-independent string comparison, interface as for strcmp */ - -int Dbg_CIStrnCmp(char const *s1, char const *s2, size_t n); -/* Case-independent string comparison, interface as for strncmp */ - -void Dbg_ErrorToChars(Dbg_MCState *state, Dbg_Error err, Dbg_BufDesc *buf); - -typedef int Dbg_RDIResetCheckProc(int); -/* Type of a function to be called after each RDI operation performed by the - toolbox, with the status from the operation as argument. The value returned - is treated as the status. (The intent is to allow the toolbox's client to - take special action to handle RDIDbg_Error_Reset). - */ - -typedef struct Dbg_CoProDesc Dbg_CoProDesc; - -typedef Dbg_Error Dbg_CoProFoundProc(Dbg_MCState *state, int cpno, Dbg_CoProDesc const *cpd); -/* Type of a function to be called when the shape of a coprocessor is discovered - by enquiry of the target or agent (via RequestCoProDesc) - */ - -typedef struct RDIProcVec RDIProcVec; - -Dbg_Error Dbg_RequestReset(Dbg_MCState *); - -Dbg_Error Dbg_Initialise( - Dbg_ConfigBlock *config, Dbg_HostosInterface const *i, - Dbg_RDIResetCheckProc *checkreset, Dbg_CoProFoundProc *coprofound, - RDIProcVec const *rdi, Dbg_MCState **statep); -/* values in config are updated if they call for default values */ - -void Dbg_Finalise(Dbg_MCState *state, bool targetdead); - -typedef struct { - char name[16]; - RDI_MemDescr md; - RDI_MemAccessStats a; -} Dbg_MemStats; - -/*--------------------------------------------------------------------------*/ - -/* Symbol table management. - The structure of a Dbg_SymTable is not revealed. It is created by - Dbg_ReadSymbols() or by Dbg_LoadFile(), and associated with the argument - Dbg_MCState. - Many symbol tables may be concurrently active. - A Dbg_SymTable is removed either explicitly (by call to Dbg_DeleteSymbols) - or implicitly when a symbol table for an overlapping address range is read. - - There is a pre-defined symbol table containing entries for ARM registers, - co-processor registers and the like. - */ - -typedef struct Dbg_SymTable Dbg_SymTable; - -typedef struct Dbg_ImageFragmentDesc { - ARMaddress base, limit; -} Dbg_ImageFragmentDesc; - -typedef enum { - Dbg_Lang_None, - Dbg_Lang_C, - Dbg_Lang_Pascal, - Dbg_Lang_Fortran, - Dbg_Lang_Asm, - Dbg_Lang_Cpp -} Dbg_Lang; - -typedef struct Dbg_ImageDesc { - Dbg_Lang lang; - int executable; - ARMaddress robase, rolimit, rwbase, rwlimit; - int nfrags; - Dbg_ImageFragmentDesc *fragments; - char *name; -} Dbg_ImageDesc; - -Dbg_ImageDesc *Dbg_ImageAreas(Dbg_SymTable *st); - -Dbg_SymTable *Dbg_LastImage(Dbg_MCState *state); - -Dbg_SymTable *Dbg_NewSymTable(Dbg_MCState *state, const char *name); - -Dbg_Error Dbg_ReadSymbols(Dbg_MCState *state, const char *filename, Dbg_SymTable **st); -/* Just read the symbols from the named image. <st> is set to the allocated - symbol table. -? Maybe we could usefully allow other formats than AIF images to describe - the symbols (eg) of shared libraries - */ - -typedef struct Dbg_SymInfo { - int isize; - ARMaddress addr; - char *name; -} Dbg_SymInfo; - -Dbg_SymInfo *Dbg_AsmSym(Dbg_SymTable *st, ARMaddress addr); -int32 Dbg_AsmAddr(Dbg_SymTable *st, int32 line); -int32 Dbg_AsmLine(Dbg_SymTable *st, ARMaddress addr); -int32 Dbg_AsmLinesInRange(Dbg_SymTable *st, ARMaddress start, ARMaddress end); - -Dbg_Error Dbg_LoadFile(Dbg_MCState *state, const char *filename, Dbg_SymTable **st); -/* load the image into target memory, and read its symbols. <st> is set to - the allocated symbol table. - A null filename reloads the most recently loaded file (and rereads its - symbols). - Loading an image leaves breakpoints unchanged. If a client wishes - otherwise, it must remove the breakpoints explicitly. -*/ - -Dbg_Error Dbg_CallGLoadFile(Dbg_MCState *state, const char *filename, Dbg_SymTable **st); - -typedef void Dbg_ImageLoadProc(Dbg_MCState *, Dbg_SymTable *); -Dbg_Error Dbg_OnImageLoad(Dbg_MCState *, Dbg_ImageLoadProc *); -/* Register function to be called back whenever an image is loaded, or symbols - * for an image read. (To allow multiple toolbox clients to coexist). - */ - -Dbg_Error Dbg_LoadAgent(Dbg_MCState *state, const char *filename); -/* Load a debug agent, and start it. - Symbols in the image for the agent are ignored. -*/ - -Dbg_Error Dbg_RelocateSymbols(Dbg_SymTable *st, ARMaddress reloc); -/* add <reloc> to the value of all symbols in <st> describing absolute memory - locations. The intent is to allow the symbols in a load-time relocating - image (for example) to be useful. - */ - -Dbg_Error Dbg_DeleteSymbols(Dbg_MCState *state, Dbg_SymTable **st); - -typedef enum Dbg_LLSymType { - llst_code, - llst_code16, - llst_data, - llst_const, - llst_unknown, - llst_max -} Dbg_LLSymType; -/* Since AIF images contain no type information for low-level symbols, this - classification is only a guess, and some symbols describing constants will - incorrectly be described as code or data. - */ - -typedef Dbg_Error Dbg_SymProc( - Dbg_MCState *state, - const char *symbol, Dbg_LLSymType symtype, ARMaddress value, - void *arg); - -Dbg_Error Dbg_EnumerateLowLevelSymbols( - Dbg_MCState *state, const char *match, Dbg_SymProc *p, - void *arg); -/* Call p(name, value) for each low level symbol in the tables of <state> - whose name matches the regular expression <match> (a NULL <match> matches - any name). Symbols are enumerated in no particular order. - */ - -/*--------------------------------------------------------------------------*/ - -/* Functions are provided here to allow quick mass access to register values - for display. There is no comparable need for quick mass update, so writing - should be via Assign(). - */ - -typedef struct Dbg_RegSet { - ARMword - user[15], - pc, - psr, - fiq[7], - spsr_fiq, - irq[2], - spsr_irq, - svc[2], - spsr_svc, - abort[2], - spsr_abort, - undef[2], - spsr_undef; -} Dbg_RegSet; - -/* bits in the modemask argument for ReadRegisters */ - -#define Dbg_MM_User 1 -#define Dbg_MM_FIQ 2 -#define Dbg_MM_IRQ 4 -#define Dbg_MM_SVC 8 -#define Dbg_MM_Abort 0x10 -#define Dbg_MM_Undef 0x20 -#define Dbg_MM_System 0x40 - -Dbg_Error Dbg_ReadRegisters(Dbg_MCState *state, Dbg_RegSet *regs, int modemask); - -Dbg_Error Dbg_WriteRegister(Dbg_MCState *state, int rno, int modemask, ARMword val); - -int Dbg_StringToMode(const char *name); - -int Dbg_ModeToModeMask(ARMword mode); - -/* Some implementations of the FP instruction set keep FP values loaded into - registers in their unconverted format, converting only when necessary. - Some RDI implementations deliver these values uninterpreted. - (For the rest, register values will always have type F_Extended). - */ - -typedef enum { F_Single, F_Double, F_Extended, F_Packed, /* fpe340 values */ - F_Internal, /* new fpe : mostly as extended */ - F_None } Dbg_FPType; - -typedef struct { ARMword w[3]; } Dbg_TargetExtendedVal; -typedef struct { ARMword w[3]; } Dbg_TargetPackedVal; -typedef struct { ARMword w[2]; } Dbg_TargetDoubleVal; -typedef struct { ARMword w[1]; } Dbg_TargetFloatVal; - -typedef union { Dbg_TargetExtendedVal e; Dbg_TargetPackedVal p; - Dbg_TargetDoubleVal d; Dbg_TargetFloatVal f; } Dbg_TargetFPVal; - -#define TargetSizeof_Extended 12 -#define TargetSizeof_Packed 12 -#define TargetSizeof_Double 8 -#define TargetSizeof_Float 4 - -typedef struct Dbg_FPRegVal { - Dbg_FPType type; - Dbg_TargetFPVal v; -} Dbg_FPRegVal; - -typedef struct Dbg_FPRegSet { - Dbg_FPRegVal f[8]; - ARMword fpsr, fpcr; -} Dbg_FPRegSet; - -Dbg_Error Dbg_ReadFPRegisters(Dbg_MCState *state, Dbg_FPRegSet *regs); - -Dbg_Error Dbg_WriteFPRegisters(Dbg_MCState *state, int32 mask, Dbg_FPRegSet *regs); - -Dbg_Error Dbg_FPRegToDouble(DbleBin *d, Dbg_FPRegVal const *f); -/* Converts from a FP register value (in any format) to a double with - approximately the same value (or returns Dbg_Err_Overflow) - */ - -void Dbg_DoubleToFPReg(Dbg_FPRegVal *f, DbleBin const *d); -/* Converts the double <d> to a Dbg_FPRegVal with type F_Extended */ - -/*--------------------------------------------------------------------------*/ - -#include "dbg_cp.h" - -Dbg_Error Dbg_DescribeCoPro(Dbg_MCState *state, int cpnum, Dbg_CoProDesc *p); - -Dbg_Error Dbg_DescribeCoPro_RDI(Dbg_MCState *state, int cpnum, Dbg_CoProDesc *p); - -Dbg_Error Dbg_ReadCPRegisters(Dbg_MCState *state, int cpnum, ARMword *regs); - -Dbg_Error Dbg_WriteCPRegisters(Dbg_MCState *state, int cpnum, int32 mask, ARMword *regs); - -/*--------------------------------------------------------------------------*/ - -Dbg_Error Dbg_ReadWords( - Dbg_MCState *state, - ARMword *words, ARMaddress addr, unsigned count); -/* Reads a number of (32-bit) words from target store. The values are in host - byte order; if they are also to be interpreted as bytes Dbg_SwapByteOrder() - must be called to convert to target byte order. - */ - -Dbg_Error Dbg_WriteWords( - Dbg_MCState *state, - ARMaddress addr, const ARMword *words, unsigned count); -/* Writes a number of (32-bit) words to target store. The values are in host - byte order (if what is being written is actually a byte string it must be - converted by Dbg_SwapByteOrder()). - */ - -Dbg_Error Dbg_ReadHalf(Dbg_MCState *state, ARMhword *val, ARMaddress addr); -Dbg_Error Dbg_WriteHalf(Dbg_MCState *state, ARMaddress addr, ARMword val); - -Dbg_Error Dbg_ReadBytes(Dbg_MCState *state, Dbg_Byte *val, ARMaddress addr, unsigned count); -Dbg_Error Dbg_WriteBytes(Dbg_MCState *state, ARMaddress addr, const Dbg_Byte *val, unsigned count); - -void Dbg_HostWords(Dbg_MCState *state, ARMword *words, unsigned wordcount); -/* (A noop unless host and target bytesexes differ) */ - -ARMword Dbg_HostWord(Dbg_MCState *state, ARMword v); - -ARMhword Dbg_HostHalf(Dbg_MCState *state, ARMword v); - -/*--------------------------------------------------------------------------*/ - -/* Types describing various aspects of position within code. - There are rather a lot of these, in the interests of describing precisely - what fields must be present (rather than having a single type with many - fields which may or may not be valid according to context). - */ - -typedef struct Dbg_LLPos { - Dbg_SymTable *st; - char *llsym; - ARMaddress offset; -} Dbg_LLPos; - -typedef struct Dbg_File { - Dbg_SymTable *st; - char *file; -} Dbg_File; - -typedef struct Dbg_Line { - unsigned32 line; /* linenumber in the file */ - unsigned16 statement, /* within the line (1-based) */ - charpos; /* ditto */ -} Dbg_Line; -/* As an output value from toolbox functions, both statement and charpos are set - if the version of the debugger tables for the section concerned permits. - On input, <charpos> is used only if <statement> is 0 (in which case, if - <charpos> is non-0, Dbg_Err_DbgTableVersion is returned if the version of - the debugger tables concerned is too early. - */ - -typedef struct Dbg_FilePos { - Dbg_File f; - Dbg_Line line; -} Dbg_FilePos; - -typedef struct Dbg_ProcDesc { - Dbg_File f; - char *name; -} Dbg_ProcDesc; - -typedef struct Dbg_ProcPos { - Dbg_ProcDesc p; - Dbg_Line line; -} Dbg_ProcPos; - -/* Support for conversions between position representations */ - -Dbg_Error Dbg_ProcDescToLine(Dbg_MCState *state, Dbg_ProcDesc *proc, Dbg_Line *line); -/* If proc->f.file is null (and there is just one function proc->name), it is - updated to point to the name of the file containing (the start of) - proc->name. - */ - -Dbg_Error Dbg_FilePosToProc(Dbg_MCState *state, const Dbg_FilePos *pos, char **procname); - -/* Conversions from position representations to and from code addresses */ - -Dbg_Error Dbg_AddressToProcPos( - Dbg_MCState *state, ARMaddress addr, - Dbg_ProcPos *pos); -Dbg_Error Dbg_AddressToLLPos( - Dbg_MCState *state, ARMaddress addr, - Dbg_LLPos *pos, Dbg_LLSymType *res_type, int system_names); - -Dbg_Error Dbg_ProcPosToAddress( - Dbg_MCState *state, const Dbg_ProcPos *pos, - ARMaddress *res); -Dbg_Error Dbg_LLPosToAddress( - Dbg_MCState *state, const Dbg_LLPos *pos, - ARMaddress *res); - -typedef struct { - ARMaddress start, end; -} Dbg_AddressRange; - -typedef Dbg_Error Dbg_AddressRangeProc(void *arg, int32 first, int32 last, Dbg_AddressRange const *range); - -Dbg_Error Dbg_MapAddressRangesForFileRange( - Dbg_MCState *state, - Dbg_SymTable *st, const char *f, int32 first, int32 last, Dbg_AddressRangeProc *p, void *arg); - -typedef struct Dbg_Environment Dbg_Environment; -/* A Dbg_Environment describes the context required to make sense of a variable - name and access its value. Its format is not revealed. Dbg_Environment - values are allocated by Dbg_NewEnvironment() and discarded by - Dbg_DeleteEnvironment(). - */ - -Dbg_Environment *Dbg_NewEnvironment(Dbg_MCState *state); -void Dbg_DeleteEnvironment(Dbg_MCState *state, Dbg_Environment *env); - -Dbg_Error Dbg_StringToEnv( - Dbg_MCState *state, char *str, Dbg_Environment *resenv, - int forcontext, Dbg_Environment const *curenv); - -Dbg_Error Dbg_ProcPosToEnvironment( - Dbg_MCState *state, const Dbg_ProcPos *pos, int activation, - const Dbg_Environment *current, Dbg_Environment *res); - -/* Conversion from a position representation to an Dbg_Environment (as required - to access variable values). Only a Dbg_ProcPos argument here; other - representations need to be converted first. - - Returns <res> describing the <activation>th instance of the function - described by <pos>, up from the stack base if <activation> is negative, - else down from <current>. - If this function returns Dbg_Err_ActivationNotPresent, the result - Dbg_Environment is still valid for accessing non-auto variables. - */ - -typedef struct Dbg_DeclSpec Dbg_DeclSpec; - -Dbg_Error Dbg_EnvToProcItem( - Dbg_MCState *state, Dbg_Environment const *env, Dbg_DeclSpec *proc); - -Dbg_Error Dbg_ContainingEnvironment( - Dbg_MCState *state, const Dbg_Environment *context, Dbg_Environment *res); -/* Set <res> to describe the containing function, file if <context> is within - a top-level function (or error if <context> already describes a file). - */ - -/*--------------------------------------------------------------------------*/ - -/* ASD debug table pointers are not by themselves sufficient description, - since there's an implied section context. Hence the DeclSpec and TypeSpec - structures. - */ - - -#ifndef Dbg_TypeSpec_Defined - -struct Dbg_DeclSpec { void *a; }; - -#ifdef CALLABLE_COMPILER -typedef void *Dbg_TypeSpec; - -/* The intention here is to give an alternative definition for Dbg_BasicType - which follows. - */ - -#define Dbg_T_Void xDbg_T_Void -#define Dbg_T_Bool xDbg_T_Bool -#define Dbg_T_SByte xDbg_T_SByte -#define Dbg_T_SHalf xDbg_T_Half -#define Dbg_T_SWord xDbg_T_SWord -#define Dbg_T_UByte xDbg_T_UByte -#define Dbg_T_UHalf xDbg_T_UHalf -#define Dbg_T_UWord xDbg_T_UWord -#define Dbg_T_Float xDbg_T_Float -#define Dbg_T_Double xDbg_T_Double -#define Dbg_T_LDouble xDbg_T_LDouble -#define Dbg_T_Complex xDbg_T_Complex -#define Dbg_T_DComplex xDbg_T_DComplex -#define Dbg_T_String xDbg_T_String -#define Dbg_T_Function xDbg_T_Function - -#define Dbg_BasicType xDbg_BaiscType -#define Dbg_PrimitiveTypeToTypeSpec xDbg_PrimitiveTypeToTypeSpec - -#else -/* We want a Dbg_TypeSpec to be a an opaque type, but of known size (so the - toolbox's clients can allocate the store to hold one); unfortunately, we - can do this only by having one definition for the toolbox's clients and - one (elsewhere) for the toolbox itself. - */ - -typedef struct Dbg_TypeSpec Dbg_TypeSpec; -struct Dbg_TypeSpec { void *a; int32 b; }; -#endif /* CALLABLE_COMPILER */ - -typedef enum { - Dbg_T_Void, - - Dbg_T_Bool, - - Dbg_T_SByte, - Dbg_T_SHalf, - Dbg_T_SWord, - - Dbg_T_UByte, - Dbg_T_UHalf, - Dbg_T_UWord, - - Dbg_T_Float, - Dbg_T_Double, - Dbg_T_LDouble, - - Dbg_T_Complex, - Dbg_T_DComplex, - - Dbg_T_String, - - Dbg_T_Function -} Dbg_BasicType; - -#endif - -void Dbg_PrimitiveTypeToTypeSpec(Dbg_TypeSpec *ts, Dbg_BasicType t); - -bool Dbg_TypeIsIntegral(Dbg_TypeSpec const *ts); - -bool Dbg_TypeIsPointer(Dbg_TypeSpec const *ts); - -bool Dbg_TypeIsFunction(Dbg_TypeSpec const *ts); - -bool Dbg_PruneType(Dbg_TypeSpec *tsres, Dbg_TypeSpec const *ts); -/* Return to tsres a version of ts which has been pruned by the removal of all - toplevel typedefs. Result is YES if the result has changed. - */ - -typedef Dbg_Error Dbg_FileProc(Dbg_MCState *state, const char *name, const Dbg_DeclSpec *procdef, void *arg); - -Dbg_Error Dbg_EnumerateFiles(Dbg_MCState *state, Dbg_SymTable *st, Dbg_FileProc *p, void *arg); -/* The top level for a high level enumerate. Lower levels are performed by - EnumerateDeclarations (below). - */ - -typedef enum { - ds_Invalid, - ds_Type, - ds_Var, - ds_Proc, - ds_Enum, - ds_Function, - ds_Label -} Dbg_DeclSort; - -Dbg_DeclSort Dbg_SortOfDeclSpec(Dbg_DeclSpec const *decl); - -char *Dbg_NameOfDeclSpec(Dbg_DeclSpec const *decl); - -Dbg_TypeSpec Dbg_TypeSpecOfDeclSpec(Dbg_DeclSpec const *decl); - -typedef enum { - cs_None, - cs_Extern, - cs_Static, - cs_Auto, - cs_Reg, - cs_Var, - cs_Farg, - cs_Fcarg, - cs_Local, - cs_Filtered, - cs_Globalreg -} Dbg_StgClass; - -Dbg_StgClass Dbg_StgClassOfDeclSpec(Dbg_DeclSpec const *decl); - -bool Dbg_VarsAtSameAddress(Dbg_DeclSpec const *d1, Dbg_DeclSpec const *d2); - -bool Dbg_VarsDecribedForDeclSpec(Dbg_DeclSpec const *decl); - -int Dbg_ArgCountOfDeclSpec(Dbg_DeclSpec const *decl); - -typedef struct Dbg_DComplex { DbleBin r, i; } Dbg_DComplex; - -typedef union Dbg_ConstantVal { - int32 l; - unsigned32 u; - DbleBin d; - Dbg_DComplex fc; - ARMaddress a; - char *s; -} Dbg_ConstantVal; - -typedef struct Dbg_Constant { - Dbg_TypeSpec type; - Dbg_ConstantVal val; -} Dbg_Constant; - -typedef enum Dbg_ValueSort { - vs_register, - vs_store, - vs_constant, - vs_local, - vs_filtered, - vs_none, - vs_error -} Dbg_ValueSort; - -/* vs_local allows the use of symbol table entries to describe entities within - the debugger's own address space, accessed in the same way as target - variables. - vs_filtered describes entities which may be read or written only via an - access function (eg r15) - */ - -#define fpr_base 16 -/* There's only one register ValueSort (reflecting asd table StgClass); - fp register n is encoded as register n+fpr_base. - */ - -typedef struct Dbg_Value Dbg_Value; - -typedef Dbg_Error Dbg_AccessFn(Dbg_MCState *state, int write, Dbg_Value *self, Dbg_Constant *c); -/* <write> == 0: read a vs_filtered value, updating the value self. - <write> == 1: update a vs_filtered value, with the value described by c. - <self> allows use of the same Dbg_AccessFn for several different entities - (using different val.f.id fields). - */ - -typedef Dbg_Error Dbg_FormatFn(int decode, char *b, ARMword *valp, void *formatarg); - -typedef struct { Dbg_AccessFn *f; int id; } Dbg_AccessFnRec; - -struct Dbg_Value { - Dbg_TypeSpec type; - Dbg_ValueSort sort; - Dbg_FormatFn *formatp; - void *formatarg; - int f77csize; - union { - struct { int no; ARMaddress frame; } r; - ARMaddress ptr; - Dbg_ConstantVal c; - void *localp; - Dbg_AccessFnRec f; - Dbg_Error err; - } val; -}; - -Dbg_Error Dbg_AddLLSymbol(Dbg_SymTable *st, char const *name, Dbg_LLSymType type, ARMword val); - -Dbg_Error Dbg_AddSymbol(Dbg_SymTable *st, char const *name, Dbg_Value const *val); - -typedef struct Dbg_DeclSpecF { - Dbg_DeclSpec decl; - Dbg_FormatFn *formatp; - void *formatarg; -} Dbg_DeclSpecF; - -typedef Dbg_Error Dbg_DeclProc(Dbg_MCState *state, Dbg_Environment const *context, - Dbg_DeclSpecF const *var, Dbg_DeclSort sort, int masked, - void *arg); - -Dbg_Error Dbg_EnumerateDeclarations(Dbg_MCState *state, Dbg_Environment const *context, - Dbg_DeclProc *p, void *arg); -/* call p once for every declaration local to the function described by - <context> (or file if <context> describes a place outside a function). - p's argument <masked> is true if the variable is not visible, thanks to - a declaration in an inner scope. - */ - -Dbg_Error Dbg_ValueOfVar(Dbg_MCState *state, const Dbg_Environment *context, - const Dbg_DeclSpec *var, Dbg_Value *val); -/* Different from Dbg_EvalExpr() in that the thing being evaluated is described - by a Dbg_DeclSpec (which must be for a variable), rather than a string - needing to be decoded and associated with a symbol-table item. Intended to - be called from a Dbg_DeclProc called from Dbg_EnumerateDeclarations. - */ - -Dbg_Error Dbg_EvalExpr(Dbg_MCState *state, Dbg_Environment const *context, - char const *expr, int flags, Dbg_Value *val); - -Dbg_Error Dbg_EvalExpr_ep(Dbg_MCState *state, Dbg_Environment const *context, - char const *expr, char **exprend, int flags, Dbg_Value *val); - -/* Both Dbg_ValueOfVar and Dbg_EvalExpr mostly deliver a value still containing - an indirection (since it may be wanted as the lhs of an assignment) - */ - -void Dbg_RealLocation(Dbg_MCState *state, Dbg_Value *val); -/* If val describes a register, this may really be a register, or a place on - the stack where the register's value is saved. In the latter case, val - is altered to describe the save place. (In all others, it remains - unchanged). - */ - -Dbg_Error Dbg_DereferenceValue(Dbg_MCState *state, const Dbg_Value *value, Dbg_Constant *c); -/* This fails if <value> describes a structure or array, returning - Dbg_Err_TypeNotSimple - */ - -typedef struct Dbg_Expr Dbg_Expr; -/* The result of parsing an expression in an environment: its structure is not - revealed. (Clients may wish to parse just once an expression which may be - evaluated often). In support of which, the following two functions partition - the work of Dbg_EvalExpr(). - */ - -#define Dbg_exfl_heap 1 /* allocate Expr on the heap (FreeExpr must then be - called to discard it). Otherwise, it goes in a - place overwritten by the next call to ParseExpr - or EvalExpr - */ -#define Dbg_exfl_needassign 2 -#define Dbg_exfl_lowlevel 4 - -int Dbg_SetInputRadix(Dbg_MCState *state, int radix); -char *Dbg_SetDefaultIntFormat(Dbg_MCState *state, char *format); - -Dbg_Error Dbg_ParseExpr( - Dbg_MCState *state, Dbg_Environment const *env, char *string, - char **end, Dbg_Expr **res, int flags); -/* Just parse the argument string, returning a pointer to a parsed expression - and a pointer to the first non-white space character in the input string - which is not part of the parsed expression. (If macro expansion has taken - place, the returned pointer will not be into the argument string at all, - rather into the expanded version of it). - */ - -Dbg_Error Dbg_ParseExprCheckEnd( - Dbg_MCState *state, Dbg_Environment const *env, char *string, - Dbg_Expr **res, int flags); -/* As Dbg_ParseExpr, but the parsed expression is required completely to fill - the argument string (apart possibly for trailing whitespace), and an error - is returned if it does not. - */ - -Dbg_Error Dbg_ParsedExprToValue( - Dbg_MCState *state, const Dbg_Environment *env, Dbg_Expr *expr, Dbg_Value *v); - -Dbg_Error Dbg_ReadDecl( - Dbg_MCState *state, Dbg_Environment const *env, char *string, - Dbg_TypeSpec *p, char **varp, int flags); -/* Read a variable declaration, returing a description of the type of the - variable to p, and a pointer to its name to varp. - */ - -bool Dbg_IsCastToArrayType(Dbg_MCState *state, Dbg_Expr *expr); - -void Dbg_FreeExpr(Dbg_Expr *expr); - -Dbg_Error Dbg_CopyType(Dbg_TypeSpec *tdest, Dbg_TypeSpec const *tsource); -Dbg_Error Dbg_FreeCopiedType(Dbg_TypeSpec *ts); - -Dbg_Error Dbg_TypeOfExpr(Dbg_MCState *state, Dbg_Expr *tree, Dbg_TypeSpec *restype); - -Dbg_Error Dbg_ExprToVar(const Dbg_Expr *expr, Dbg_DeclSpec *var, Dbg_Environment *env); - -Dbg_Error Dbg_Assign(Dbg_MCState *state, const Dbg_Value *lv, const Dbg_Value *rv); - -typedef enum Dbg_TypeSort { - ts_simple, - ts_union, - ts_struct, - ts_array -} Dbg_TypeSort; - -Dbg_TypeSort Dbg_TypeSortOfValue(Dbg_MCState *state, const Dbg_Value *val, int *fieldcount); - -Dbg_Error Dbg_TypeToChars(const Dbg_TypeSpec *var, Dbg_BufDesc *buf); - -Dbg_Error Dbg_TypeSize(Dbg_MCState *state, const Dbg_TypeSpec *type, unsigned32 *res); - -typedef int Dbg_ValToChars_cb(Dbg_MCState *state, Dbg_Value *subval, const char *fieldname, - Dbg_BufDesc *buf, void *arg); - -Dbg_Error Dbg_ValToChars(Dbg_MCState *state, Dbg_Value *val, int base, - Dbg_ValToChars_cb *cb, void *arg, - const char *form, Dbg_BufDesc *buf); -/* - <base> is used for (any size) integer values. - If <val> is of an array or structure type, <cb> is called for each element, - with <arg> as its last parameter, and <subbuf> describing the space remaining - in <buf>. If <cb> returns 0, conversion ceases. - */ - -Dbg_Error Dbg_NthElement( - Dbg_MCState *state, - const Dbg_Value *val, unsigned32 n, char **fieldname, Dbg_Value *subval); - -typedef Dbg_Error Dbg_HistoryProc(void *, int, Dbg_Value *); - -Dbg_Error Dbg_RegisterHistoryProc(Dbg_MCState *state, Dbg_HistoryProc *p, void *arg); - -typedef enum { - ls_cpu, - ls_store, - ls_copro, - ls_local, - ls_filtered -} Dbg_LocSort; - -typedef struct { - Dbg_LocSort sort; - union { - struct { ARMaddress addr, size; } store; - struct { int modemask; int r; } cpu; - struct { int no; int r; } cp; - void *localp; - Dbg_AccessFnRec f; - } loc; -} Dbg_Loc; - -typedef Dbg_Error Dbg_ObjectWriteProc(Dbg_MCState *state, Dbg_Loc const *loc); -Dbg_Error Dbg_OnObjectWrite(Dbg_MCState *state, Dbg_ObjectWriteProc *p); -/* Register function to be called back whenever the toolbox has written to any - * object accessible by the debuggee (or to local variables belonging to a - * toolbox client). The write has already been done. - * (To allow multiple toolbox clients to coexist). - */ - -Dbg_Error Dbg_ObjectWritten(Dbg_MCState *state, Dbg_Loc const *loc); - -/*--------------------------------------------------------------------------*/ - -/* Control of target program execution. - Currently, only synchronous operation is provided. - Execution could possibly be asynchronous where the target is a seperate - processor, but is necessarily synchronous if the target is Armulator. - Unfortunately, this may require modification to the RDI implementation - if multitasking is required but the the host system provides it only - cooperatively, or if there is no system-provided way to generate SIGINT. - */ - -Dbg_Error Dbg_SetCommandline(Dbg_MCState *state, const char *args); -/* Set the argument string to the concatenation of the name of the most - recently loaded image and args. - */ - -typedef enum Dbg_ProgramState { - ps_notstarted, - /* Normal ways of stopping */ - ps_atbreak, ps_atwatch, ps_stepdone, - ps_interrupted, - ps_stopped, - /* abnormal (but unsurprising) ways of stopping */ - ps_lostwatch, - ps_branchthrough0, ps_undef, ps_caughtswi, ps_prefetch, - ps_abort, ps_addrexcept, ps_caughtirq, ps_caughtfiq, - ps_error, - /* only as a return value from Call() */ - ps_callfailed, ps_callreturned, - /* internal inconsistencies */ - ps_broken, /* target has "broken" */ - ps_unknownbreak, - ps_unknown -} Dbg_ProgramState; - -int Dbg_IsCallLink(Dbg_MCState *state, ARMaddress pc); - -typedef struct { - Dbg_FPRegVal fpres; - ARMword intres; -} Dbg_CallResults; - -Dbg_CallResults *Dbg_GetCallResults(Dbg_MCState *state); - -#define Dbg_S_STATEMENTS 0 -#define Dbg_S_INSTRUCTIONS 1 -#define Dbg_S_STEPINTOPROCS 2 - -Dbg_Error Dbg_Step(Dbg_MCState *state, int32 stepcount, int stepby, Dbg_ProgramState *status); -/* <stepby> is a combination of the Dbg_S_... values above */ - -Dbg_Error Dbg_StepOut(Dbg_MCState *state, Dbg_ProgramState *status); - -bool Dbg_CanGo(Dbg_MCState *state); - -bool Dbg_IsExecuting(Dbg_MCState *state); - -Dbg_Error Dbg_Go(Dbg_MCState *state, Dbg_ProgramState *status); - -Dbg_Error Dbg_Stop(Dbg_MCState *state); -/* Asynchronous Stop request, for call from SIGINT handler. On return to the - caller, the call of Dbg_Go, Dbg_Step or Dbg_Call which started execution - should return ps_interrupted. - */ - -typedef void Dbg_ExecuteProc(Dbg_MCState *state, Dbg_ProgramState status); -Dbg_Error Dbg_OnExecute(Dbg_MCState *, Dbg_ExecuteProc *); -/* Register function to be called back whenever execution stops. - * (To allow multiple toolbox clients to coexist). - */ - -Dbg_Error Dbg_SetReturn(Dbg_MCState *state, - const Dbg_Environment *context, const Dbg_Value *value); -/* Prepare continuation by returning <value> from the function activation - described by <context>. (Dbg_Go() or Dbg_Step() actually perform the - continuation). - */ - -Dbg_Error Dbg_SetExecution(Dbg_MCState *state, Dbg_Environment *context); -/* Set the pc in a high-level fashion */ - -Dbg_Error Dbg_ProgramStateToChars(Dbg_MCState *state, Dbg_ProgramState event, Dbg_BufDesc *buf); -/* This is guaranteed to give a completely accurate description of <event> if - this was the value returned by the most recent call of Dbg_Go, Dbg_Step, - or Dbg_Call. - */ - -/*--------------------------------------------------------------------------*/ - -Dbg_Error Dbg_CurrentEnvironment(Dbg_MCState *state, Dbg_Environment *context); - -Dbg_Error Dbg_PrevFrame(Dbg_MCState *state, Dbg_Environment *context); -/* towards the base of the stack */ - -Dbg_Error Dbg_NextFrame(Dbg_MCState *state, Dbg_Environment *context); -/* away from the base of the stack */ - -typedef struct Dbg_AnyPos { - enum { pos_source, pos_ll, pos_none } postype; - ARMaddress pc; - union { - Dbg_ProcPos source; - Dbg_LLPos ll; - ARMaddress none; - } pos; -} Dbg_AnyPos; - -Dbg_Error Dbg_EnvironmentToPos(Dbg_MCState *state, const Dbg_Environment *context, Dbg_AnyPos *pos); -/* <pos> is set to a Dbg_ProcPos if these is one corresponding to <context> - else a Dbg_LLPos if there is one. - */ - -/*--------------------------------------------------------------------------*/ - -/* Source file management. - Pretty vestigial. Handles source path (per loaded image), - and translates from line-number (as given in debugger tables) to character - position (as required to access files) - */ - -Dbg_Error Dbg_ClearPaths(Dbg_MCState *state, Dbg_SymTable *st); -Dbg_Error Dbg_AddPath(Dbg_MCState *state, Dbg_SymTable *st, const char *path); -Dbg_Error Dbg_DeletePath(Dbg_MCState *state, Dbg_SymTable *st, const char *path); - -typedef enum { - Dbg_PathsCleared, - Dbg_PathAdded, - Dbg_PathDeleted -} Dbg_PathAlteration; - -typedef void Dbg_PathAlteredProc( - Dbg_MCState *state, Dbg_SymTable *st, char const *path, - Dbg_PathAlteration sort); - -Dbg_Error Dbg_OnPathAlteration(Dbg_MCState *state, Dbg_PathAlteredProc *p); -/* Register function to be called back whenever one of the source path - * modification functions above is called. (To allow multiple toolbox - * clients to coexist). - */ - -typedef struct Dbg_FileRec Dbg_FileRec; -typedef struct { - unsigned32 linecount; - Dbg_FileRec *handle; - char *fullname; -} Dbg_FileDetails; - -Dbg_Error Dbg_GetFileDetails( - Dbg_MCState *state, const Dbg_File *fname, Dbg_FileDetails *res); -Dbg_Error Dbg_FinishedWithFile(Dbg_MCState *state, Dbg_FileRec *handle); - -Dbg_Error Dbg_GetFileDetails_fr( - Dbg_MCState *state, Dbg_FileRec *handle, Dbg_FileDetails *res); -/* Refresh details about the file associated with <handle> (in particular, - * its linecount). - */ - -Dbg_Error Dbg_FileLineLength( - Dbg_MCState *state, Dbg_FileRec *handle, int32 lineno, int32 *len); -/* Return to <len> the length of line <lineno> of the file associated with - * <handle> (without necessarily reading from the file). - */ - -Dbg_Error Dbg_GetFileLine_fr( - Dbg_MCState *state, Dbg_FileRec *handle, int32 lineno, Dbg_BufDesc *buf); -/* Return to <buf> the contents of line <lineno> of the file associated with - * <handle> (including its terminating newline). - */ - -Dbg_Error Dbg_StartFileAccess(Dbg_MCState *state, Dbg_FileRec *handle); -Dbg_Error Dbg_EndFileAccess(Dbg_MCState *state, Dbg_FileRec *handle); -/* These two calls bracket a sequence of calls to GetFileLine. Between the - * calls, the toolbox is permitted to retain state allowing more rapid - * access to text on the file associated with <handle>. - */ - -Dbg_Error Dbg_ControlSourceFileAccess( - Dbg_MCState *state, uint32 cachesize, bool closefiles); -/* Control details of how the toolbox manages source files. - * If <cachesize> is non-zero, the text from the most recently accessed - * source files (of total size not to exceed <cachesize>) is saved in - * store on first access to the file; subsequent access to the text of - * the file uses this copy. - * If <closefiles> is true, no stream is left attached to uncached source - * files after Dbg_EndFileAccess has been closed. Otherwise, the toolbox - * may retain such streams, in order to improve access. - */ - -/*--------------------------------------------------------------------------*/ - -/* disassembly */ - -/* - ? More exact control is wanted here, but that requires a more complicated - ? disass callback interface. - */ - -typedef const char *Dbg_SWI_Decode(Dbg_MCState *state, ARMword swino); - -Dbg_Error Dbg_InstructionAt(Dbg_MCState *state, ARMaddress addr, - int isize, ARMhword *inst, Dbg_SymTable *st, - Dbg_SWI_Decode *swi_name, Dbg_BufDesc *buf, int *length); -/* <isize> describes the form of disassembly wanted: 2 for 16-bit, 4 for 32-bit, - * 0 for 16- or 32-bit depending whether addr addresses 16- or 32-bit code. - * <inst> is a pointer to a pair of halfwords *in target byte order* - * Possibly only the first halfword will be consumed: the number of bytes used - * is returned via <length>. - */ - -/*--------------------------------------------------------------------------*/ - -int Dbg_RDIOpen(Dbg_MCState *state, unsigned type); -int Dbg_RDIInfo(Dbg_MCState *state, unsigned type, ARMword *arg1, ARMword *arg2); - -/*--------------------------------------------------------------------------*/ - -typedef enum { - Dbg_Point_Toolbox, - Dbg_Point_RDI_Unknown, - Dbg_Point_RDI_SW, - Dbg_Point_RDI_HW -} Dbg_PointType; - -/* breakpoint management - Associated with a breakpoint there may be any of - a count - an expression - a function - the breakpoint is activated if - the expression evaluates to a non-zero value (or fails to evaluate). - && decrementing the count reaches zero (the count is then reset to its - initial value). - && the function, called with the breakpoint address as argument, returns - a non-zero value. -? (The order here may be open to debate. Note that the first two are in - the opposite order in armsd, but I think this order more rational) - */ - -typedef enum Dbg_BreakPosType { - bt_procpos, - bt_procexit, - bt_address -} Dbg_BreakPosType; - -typedef union { - Dbg_ProcPos procpos; - Dbg_ProcDesc procexit; - ARMaddress address; -} Dbg_BreakPosPos; - -typedef struct Dbg_BreakPos { - Dbg_BreakPosType sort; - Dbg_BreakPosPos loc; -} Dbg_BreakPos; - -typedef int Dbg_BPProc(Dbg_MCState *state, void *BPArg, Dbg_BreakPos *where); - -typedef struct Dbg_BreakStatus { - int index; - int initcount, countnow; - Dbg_BreakPos where; - char *expr; - Dbg_BPProc *p; void *p_arg; - int incomplete; - Dbg_PointType type; - ARMword hwresource; -} Dbg_BreakStatus; - -Dbg_Error Dbg_StringToBreakPos( - Dbg_MCState *state, Dbg_Environment *env, char const *str, size_t len, - Dbg_BreakPos *bpos, char *b); - -Dbg_Error Dbg_SetBreakPoint(Dbg_MCState *state, Dbg_BreakPos *where, - int count, - const char *expr, - Dbg_BPProc *p, void *arg); -Dbg_Error Dbg_SetBreakPoint16(Dbg_MCState *state, Dbg_BreakPos *where, - int count, - const char *expr, - Dbg_BPProc *p, void *arg); -Dbg_Error Dbg_SetBreakPointNaturalSize(Dbg_MCState *state, Dbg_BreakPos *where, - int count, - const char *expr, - Dbg_BPProc *p, void *arg); -/* Setting a breakpoint at the same address as a previous breakpoint - completely removes the previous one. - */ - -Dbg_Error Dbg_DeleteBreakPoint(Dbg_MCState *state, Dbg_BreakPos *where); - -Dbg_Error Dbg_SuspendBreakPoint(Dbg_MCState *state, Dbg_BreakPos *where); -/* Temporarily remove the break point (until Reinstated) but leave intact - its associated expr, the value its count has reached, etc. -? The debugger toolbox itself wants this, but I'm not sure what use a client - could have for it. Ditto Reinstate... - */ - -Dbg_Error Dbg_ReinstateBreakPoint(Dbg_MCState *state, Dbg_BreakPos *where); -/* Undo the effect of Dbg_SuspendBreakPoint - */ - -Dbg_Error Dbg_DeleteAllBreakPoints(Dbg_MCState *state); - -Dbg_Error Dbg_SuspendAllBreakPoints(Dbg_MCState *state); - -Dbg_Error Dbg_ReinstateAllBreakPoints(Dbg_MCState *state); - -typedef Dbg_Error Dbg_BPEnumProc(Dbg_MCState *state, Dbg_BreakStatus *status, void *arg); - -Dbg_Error Dbg_EnumerateBreakPoints(Dbg_MCState *state, Dbg_BPEnumProc *p, void *arg); - -Dbg_Error Dbg_BreakPointStatus(Dbg_MCState *state, - const Dbg_BreakPos *where, Dbg_BreakStatus *status); - -typedef void Dbg_BreakAlteredProc(Dbg_MCState *state, ARMaddress addr, bool set); -Dbg_Error Dbg_OnBreak(Dbg_MCState *state, Dbg_BreakAlteredProc *p); -/* Register function to be called back whenever a breakpoint is set or - * cleared. (To allow multiple toolbox clients to coexist). - */ - -bool Dbg_StoppedAtBreakPoint(Dbg_MCState *state, const Dbg_BreakPos *where); -/* Called after execution which resulted in ps_atbreak, to find out whether - the specified breakpoint was hit (could be >1, eg. exit break and another - high-level breakpoint at the same position). - Returns NO if specified breakpoint not found, or execution didn't stop - with ps_atbreak status. - */ - -/*--------------------------------------------------------------------------*/ - -typedef struct { - Dbg_Value val; - char *name; -} Dbg_WatchPos; - -typedef int Dbg_WPProc(Dbg_MCState *state, void *WPArg, Dbg_WatchPos *where); - -typedef struct Dbg_WPStatus { - int index; - int initcount, countnow; - Dbg_WatchPos what, target; - char *expr; - Dbg_WPProc *p; void *p_arg; - Dbg_PointType type; - ARMword hwresource; - int skip; -} Dbg_WPStatus; - -Dbg_Error Dbg_SetWatchPoint( - Dbg_MCState *state, Dbg_Environment *context, char const *watchee, - char const *target, - int count, - char const *expr, - Dbg_WPProc *p, void *arg); - -/* Cause a watchpoint event if the value of <watchee> changes to the value of - <target> (or changes at all if <target> is NULL). <watchee> should - evaluate either to an L-value (when the size of the object being watched is - determined by its type) or to an integer constant (when the word with this - address is watched). - */ - -Dbg_Error Dbg_DeleteWatchPoint(Dbg_MCState *state, Dbg_Environment *context, char const *watchee); - - -Dbg_Error Dbg_SetWatchPoint_V( - Dbg_MCState *state, - char const *name, Dbg_Value const *val, char const *tname, Dbg_Value const *tval, - int count, - char const *expr, - Dbg_WPProc *p, void *arg); - -Dbg_Error Dbg_DeleteWatchPoint_V(Dbg_MCState *state, Dbg_Value const *val); - - -Dbg_Error Dbg_DeleteAllWatchPoints(Dbg_MCState *state); - -typedef Dbg_Error Dbg_WPEnumProc(Dbg_MCState *state, Dbg_WPStatus const *watchee, void *arg); - -Dbg_Error Dbg_EnumerateWatchPoints(Dbg_MCState *state, Dbg_WPEnumProc *p, void *arg); - -Dbg_Error Dbg_WatchPointStatus(Dbg_MCState *state, - Dbg_WatchPos const *where, Dbg_WPStatus *status); - -typedef void Dbg_WPRemovedProc(void *arg, Dbg_WPStatus const *wp); -Dbg_Error Dbg_RegisterWPRemovalProc(Dbg_MCState *state, Dbg_WPRemovedProc *p, void *arg); -/* When a watchpoint goes out of scope it is removed by the toolbox, and the - function registered here gets called back to adjust its view - */ - -typedef void Dbg_WatchAlteredProc(Dbg_MCState *state, Dbg_Value const *where, bool set); -Dbg_Error Dbg_OnWatch(Dbg_MCState *state, Dbg_WatchAlteredProc *p); -/* Register function to be called back whenever a watchpoint is set or - * cleared. (To allow multiple toolbox clients to coexist). - */ - -/*--------------------------------------------------------------------------*/ - -Dbg_Error Dbg_ProfileLoad(Dbg_MCState *state); - -Dbg_Error Dbg_ProfileStart(Dbg_MCState *state, ARMword interval); -Dbg_Error Dbg_ProfileStop(Dbg_MCState *state); - -Dbg_Error Dbg_ProfileClear(Dbg_MCState *state); - -Dbg_Error Dbg_WriteProfile(Dbg_MCState *state, char const *filename, - char const *toolid, char const *arg); - -/*--------------------------------------------------------------------------*/ - -Dbg_Error Dbg_ConnectChannel_ToHost(Dbg_MCState *state, RDICCProc_ToHost *p, void *arg); -Dbg_Error Dbg_ConnectChannel_FromHost(Dbg_MCState *state, RDICCProc_FromHost *p, void *arg); - -/*--------------------------------------------------------------------------*/ - -/* Configuration data management */ - -Dbg_Error Dbg_LoadConfigData(Dbg_MCState *state, char const *filename); - -Dbg_Error Dbg_SelectConfig( - Dbg_MCState *state, - RDI_ConfigAspect aspect, char const *name, RDI_ConfigMatchType matchtype, - unsigned versionreq, unsigned *versionp); - -Dbg_Error Dbg_ParseConfigVersion( - char const *s, RDI_ConfigMatchType *matchp, unsigned *versionp); - -typedef Dbg_Error Dbg_ConfigEnumProc(Dbg_MCState *state, RDI_ConfigDesc const *desc, void *arg); - -Dbg_Error Dbg_EnumerateConfigs(Dbg_MCState *state, Dbg_ConfigEnumProc *p, void *arg); - -/*--------------------------------------------------------------------------*/ - -/* Angel OS support */ - -Dbg_Error Dbg_CreateTask(Dbg_MCState **statep, Dbg_MCState *parent, bool inherit); -/* This is called when a task is to be debugged which has not been debugged - before - ie. there is no existing Dbg_MCState for this task. It - initialises a new Dbg_MCState and returns a pointer to it. - <parent> is any valid previously-created MCCState. If <inherit> is TRUE, - the new MCState inherits certain features from it (eg. symbols). - Otherwise, only features which are the same across all tasks are inherited, - (eg. global breakpoints). - */ - -Dbg_Error Dbg_DeleteTask(Dbg_MCState *state); -/* This is called when a task dies, and frees up everything which relates to that - task which is controlled by armdbg. - */ - -Dbg_Error Dbg_DetachTask(Dbg_MCState *state); - -Dbg_Error Dbg_AttachTask(Dbg_MCState *state); -/* These are called to request a switch of the current task. First - Dbg_DetachTask should be called with the state of the old task. - Dbg_DetachTask will ensure that any cached state held by armdbg for - the old task is immediately written out to the target. - - After Dbg_DetachTask is called and before Dbg_AttachTask is called - the OS channel manager should tell the target that any future - requests from the debugger will be fore the new task. - - If the new task does not have an armdbg state structure - already, then Dbg_CreateTask should be called to create one (see - above). Then Dbg_AttachTask is called to tell armdbg to treat the - new armdbg state as the current task. - */ - -typedef Dbg_Error Dbg_TaskSwitchProc(void *arg, Dbg_MCState *newstate); - -Dbg_Error Dbg_OnTaskSwitch(Dbg_MCState *state, Dbg_TaskSwitchProc *fn, void *arg); -/* The front end may register a callback which gets called by armdbg whenever - Dbg_AttachTask is called. This callback tells the front end the new current - Dbg_MCState it should use to call armdbg. - [Note that this is only useful if there is one front end shared between all - tasks rather than one front end per task] - The value of <arg> passed to Dbg_OnTaskSwitch is passed to <fn> - when it is called. - */ - -typedef Dbg_Error Dbg_RestartProc( - void *arg, Dbg_MCState *curstate, Dbg_MCState **newstate); - -Dbg_Error Dbg_OnRestart(Dbg_MCState *state, Dbg_RestartProc *fn, void *arg); -/* This is used by the OS channels layer to register a callback which - will be made by the debugger toolbox early in the process of resuming - execution. - - This callback must determine which task will be resumed when the target - restarts execution. If this is not already the current task then it must - call Dbg_DetachTask and Dbg_AttachTask as decribed above to switch to the - task about to be resumed and return the state for the new task in - <newstate>. - - This will ensure that armdbg updates the correct task on execution as well - as ensuring that stepping over a breakpointed instruction on restarting - happens correctly. - - The value of <arg> passed to Dbg_OnRestart is passed to <fn> - when it is called. - */ - - -#ifdef __cplusplus -} -#endif - -#endif - -/* End of armdbg.h */ |