X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=src%2Fcc65%2Fcodeent.h;h=60fc28bf85d0b7e706cf70f3e88dd65480bf3f07;hb=73dfa23c987d8a7f1154801b85c171f9e01dcd58;hp=6526bb69e393eddf76a78dfd84925206744dd13b;hpb=369f59c1bb85df1711493229f5c9dddd05a26c51;p=cc65 diff --git a/src/cc65/codeent.h b/src/cc65/codeent.h index 6526bb69e..60fc28bf8 100644 --- a/src/cc65/codeent.h +++ b/src/cc65/codeent.h @@ -6,10 +6,10 @@ /* */ /* */ /* */ -/* (C) 2001 Ullrich von Bassewitz */ -/* Wacholderweg 14 */ -/* D-70597 Stuttgart */ -/* EMail: uz@musoftware.de */ +/* (C) 2001-2002 Ullrich von Bassewitz */ +/* Wacholderweg 14 */ +/* D-70597 Stuttgart */ +/* EMail: uz@musoftware.de */ /* */ /* */ /* This software is provided 'as-is', without any expressed or implied */ @@ -39,6 +39,7 @@ #include +#include /* common */ #include "coll.h" @@ -48,6 +49,7 @@ #include "codelab.h" #include "lineinfo.h" #include "opcodes.h" +#include "reginfo.h" @@ -70,12 +72,13 @@ struct CodeEntry { unsigned long Num; /* Numeric argument */ unsigned short Flags; /* Flags */ unsigned short Info; /* Additional code info */ + unsigned short Use; /* Registers used */ + unsigned short Chg; /* Registers changed/destroyed */ unsigned char Size; /* Estimated size */ - unsigned char Use; /* Registers used */ - unsigned char Chg; /* Registers changed/destroyed */ CodeLabel* JumpTo; /* Jump label */ Collection Labels; /* Labels for this instruction */ LineInfo* LI; /* Source line info for this insn */ + RegInfo* RI; /* Register info for this insn */ }; @@ -86,14 +89,22 @@ struct CodeEntry { +const char* MakeHexArg (unsigned Num); +/* Convert Num into a string in the form $XY, suitable for passing it as an + * argument to NewCodeEntry, and return a pointer to the string. + * BEWARE: The function returns a pointer to a static buffer, so the value is + * gone if you call it twice (and apart from that it's not thread and signal + * safe). + */ + CodeEntry* NewCodeEntry (opc_t OPC, am_t AM, const char* Arg, - CodeLabel* JumpTo, LineInfo* LI); + CodeLabel* JumpTo, LineInfo* LI); /* Create a new code entry, initialize and return it */ void FreeCodeEntry (CodeEntry* E); /* Free the given code entry */ -void ReplaceOPC (CodeEntry* E, opc_t OPC); +void CE_ReplaceOPC (CodeEntry* E, opc_t OPC); /* Replace the opcode of the instruction. This will also replace related info, * Size, Use and Chg, but it will NOT update any arguments or labels. */ @@ -101,76 +112,104 @@ void ReplaceOPC (CodeEntry* E, opc_t OPC); int CodeEntriesAreEqual (const CodeEntry* E1, const CodeEntry* E2); /* Check if both code entries are equal */ -void AttachCodeLabel (CodeEntry* E, CodeLabel* L); +void CE_AttachLabel (CodeEntry* E, CodeLabel* L); /* Attach the label to the entry */ #if defined(HAVE_INLINE) -INLINE int CodeEntryHasLabel (const CodeEntry* E) +INLINE int CE_HasLabel (const CodeEntry* E) /* Check if the given code entry has labels attached */ { return (CollCount (&E->Labels) > 0); } #else -# define CodeEntryHasLabel(E) (CollCount (&(E)->Labels) > 0) +# define CE_HasLabel(E) (CollCount (&(E)->Labels) > 0) #endif #if defined(HAVE_INLINE) -INLINE unsigned GetCodeLabelCount (const CodeEntry* E) +INLINE unsigned CE_GetLabelCount (const CodeEntry* E) /* Get the number of labels attached to this entry */ { return CollCount (&E->Labels); } #else -# define GetCodeLabelCount(E) CollCount (&(E)->Labels) +# define CE_GetLabelCount(E) CollCount (&(E)->Labels) #endif #if defined(HAVE_INLINE) -INLINE CodeLabel* GetCodeLabel (CodeEntry* E, unsigned Index) +INLINE CodeLabel* CE_GetLabel (CodeEntry* E, unsigned Index) /* Get a label from this code entry */ { return CollAt (&E->Labels, Index); } #else -# define GetCodeLabel(E, Index) CollAt (&(E)->Labels, (Index)) +# define CE_GetLabel(E, Index) CollAt (&(E)->Labels, (Index)) #endif -void MoveCodeLabel (CodeLabel* L, CodeEntry* E); +void CE_MoveLabel (CodeLabel* L, CodeEntry* E); /* Move the code label L from it's former owner to the code entry E. */ #if defined(HAVE_INLINE) -INLINE int CodeEntryHasMark (const CodeEntry* E) +INLINE int CE_HasMark (const CodeEntry* E) /* Return true if the given code entry has the CEF_USERMARK flag set */ { return (E->Flags & CEF_USERMARK) != 0; } #else -# define CodeEntryHasMark(E) (((E)->Flags & CEF_USERMARK) != 0) +# define CE_HasMark(E) (((E)->Flags & CEF_USERMARK) != 0) #endif #if defined(HAVE_INLINE) -INLINE void CodeEntrySetMark (CodeEntry* E) +INLINE void CE_SetMark (CodeEntry* E) /* Set the CEF_USERMARK flag for the given entry */ { E->Flags |= CEF_USERMARK; } #else -# define CodeEntrySetMark(E) ((E)->Flags |= CEF_USERMARK) +# define CE_SetMark(E) ((E)->Flags |= CEF_USERMARK) #endif #if defined(HAVE_INLINE) -INLINE void CodeEntryResetMark (CodeEntry* E) +INLINE void CE_ResetMark (CodeEntry* E) /* Reset the CEF_USERMARK flag for the given entry */ { E->Flags &= ~CEF_USERMARK; } #else -# define CodeEntryResetMark(E) ((E)->Flags &= ~CEF_USERMARK) +# define CE_ResetMark(E) ((E)->Flags &= ~CEF_USERMARK) +#endif + +void CE_SetNumArg (CodeEntry* E, long Num); +/* Set a new numeric argument for the given code entry that must already + * have a numeric argument. + */ + +int CE_KnownImm (const CodeEntry* E); +/* Return true if the argument of E is a known immediate value */ + +#if defined(HAVE_INLINE) +INLINE int CE_IsCallTo (const CodeEntry* E, const char* Name) +/* Check if this is a call to the given function */ +{ + return (E->OPC == OP65_JSR && strcmp (E->Arg, Name) == 0); +} +#else +# define CE_IsCallTo(E, Name) ((E)->OPC == OP65_JSR && strcmp ((E)->Arg, (Name)) == 0) #endif -void CodeEntrySetArg (CodeEntry* E, const char* Arg); -/* Set a new argument for the given code entry. An old string is deleted. */ +int CE_UseLoadFlags (const CodeEntry* E); +/* Return true if the instruction uses any flags that are set by a load of + * a register (N and Z). + */ + +void CE_FreeRegInfo (CodeEntry* E); +/* Free an existing register info struct */ + +void CE_GenRegInfo (CodeEntry* E, RegContents* InputRegs); +/* Generate register info for this instruction. If an old info exists, it is + * overwritten. + */ -void OutputCodeEntry (const CodeEntry* E, FILE* F); +void CE_Output (const CodeEntry* E, FILE* F); /* Output the code entry to a file */ @@ -180,3 +219,4 @@ void OutputCodeEntry (const CodeEntry* E, FILE* F); +