diff options
author | Ash Wolf <ninji@wuffs.org> | 2022-11-20 00:07:22 -0500 |
---|---|---|
committer | Ash Wolf <ninji@wuffs.org> | 2022-11-20 00:07:22 -0500 |
commit | 9d2728a5605f651934fe67a6fe6986b3e4a2c011 (patch) | |
tree | e81e0a3588a0c8d1855bf28316efe27d86b04d66 /includes/compiler/InlineAsm.h | |
parent | 9a46dd0e2e80790d9848c0bbd718932a27c23269 (diff) | |
download | MWCC-9d2728a5605f651934fe67a6fe6986b3e4a2c011.tar.gz MWCC-9d2728a5605f651934fe67a6fe6986b3e4a2c011.zip |
add a bunch of code and a ton of stub files for later
Diffstat (limited to '')
-rw-r--r-- | includes/compiler/InlineAsm.h | 239 |
1 files changed, 239 insertions, 0 deletions
diff --git a/includes/compiler/InlineAsm.h b/includes/compiler/InlineAsm.h new file mode 100644 index 0000000..aadbc1f --- /dev/null +++ b/includes/compiler/InlineAsm.h @@ -0,0 +1,239 @@ +#ifndef COMPILER_INLINEASM_H +#define COMPILER_INLINEASM_H + +#include "compiler/common.h" +#include "compiler/PCodeInfo.h" + +#ifdef __MWERKS__ +#pragma options align=mac68k +#endif +typedef struct IAMnemonic { + char *name; + UInt32 x4; + char *format; + UInt32 cpu; + UInt32 x10; +} IAMnemonic; + +typedef struct IARegister { + char *name; + char rclass; + SInt32 num; + Object *object; +} IARegister; + +typedef enum IAOperandType { + IAOpnd_0, + IAOpnd_Imm, + IAOpnd_Reg, + IAOpnd_3, + IAOpnd_4, + IAOpnd_Lab, + IAOpnd_6, + IAOpnd_7, + IAOpnd_LabDiff +} IAOperandType; +typedef struct IAOperand { + IAOperandType type; + Boolean negated; + union { + // type 1 + struct { + SInt32 value; + } imm; + // type 2 + struct { + SInt32 num; + Object *object; + short effect; + short rclass; + } reg; + // type 3, 4 + struct { + SInt32 offset; + Object *obj; + short unk; + } obj; + // type 5 + struct { + CLabel *label; + } lab; + // type 6 + struct { + SInt32 num; + UInt8 unk4; + short effect; + short rclass; + } unk6; + // type 7 + struct { + SInt32 value; + Boolean unk1; + short unk2; + short unk3; + } unk7; + // type 8 + struct { + CLabel *label1; + CLabel *label2; + SInt32 offset; + } labdiff; + } u; +} IAOperand; + +typedef enum IAExprType { + IAExpr_0, + IAExpr_1, + IAExpr_2, + IAExpr_3, + IAExpr_4, + IAExpr_5, + IAExpr_6, + IAExpr_7, + IAExpr_8, + IAExpr_9, + IAExpr_10 +} IAExprType; + +typedef struct IAExpr { + IAExprType type; + UInt8 flags; + short reg; + SInt32 value; + Object *object; + Object *xC; + Object *x10; + CLabel *label; + CLabel *x18; +} IAExpr; + +enum { + IAFlag1 = 1, + IAFlag2 = 2 +}; +enum { + IAFlagsB_1 = 1, + IAFlagsB_2 = 2, + IAFlagsB_4 = 4, + IAFlagsB_8 = 8, + IAFlagsB_10 = 0x10, + IAFlagsB_20 = 0x20, + IAFlagsB_40 = 0x40 +}; + +typedef struct InlineAsm { + Opcode opcode; + unsigned char flags; + unsigned char flags2; + short argcount; + IAOperand args[0]; +} InlineAsm; + +typedef struct IALookupResult { + HashNameNode *name; + CLabel *label; + Object *object; + Type *type; + UInt32 value; + Boolean has_value; +} IALookupResult; + +typedef struct IAEntryPoint { + short x0; + char x2; + int x4; + Object *x8; + SInt32 size; +} IAEntryPoint; + +typedef enum IAEffectType { + IAEffect_0, + IAEffect_1, + IAEffect_2, + IAEffect_3 +} IAEffectType; +typedef struct IAEffect { + IAEffectType type; + Object *object; + SInt32 offset; + SInt32 size; +} IAEffect; + +typedef struct IAEffects { + Boolean x0; + Boolean x1; + Boolean x2; + Boolean x3; + Boolean x4; + Boolean x5; + UInt32 numoperands; + UInt32 numlabels; + IAEffect operands[16]; + CLabel *labels[16]; +} IAEffects; + +#ifdef __MWERKS__ +#pragma options align=reset +#endif + +extern int backtracking; +extern jmp_buf backtrack; +extern jmp_buf InlineAsm_assemblererror; + +extern int allow_array_expressions; + +extern void AssemblerError(void); +extern void InlineAsm_SyntaxError(short code); +extern CLabel *InlineAsm_LookupLabel(HashNameNode *name); +extern CLabel *InlineAsm_DeclareLabel(HashNameNode *name); +extern Boolean InlineAsm_LookupSymbolOrTag(HashNameNode *name, IALookupResult *result, Boolean allow_tag); +extern Boolean InlineAsm_LookupSymbol(HashNameNode *name, IALookupResult *result); +extern SInt32 InlineAsm_StructMemberOffset(Type *type); +extern SInt32 InlineAsm_StructArrayMemberOffset(Type *type); +extern SInt32 InlineAsm_StructPointerMemberOffset(Type *type); +extern SInt32 InlineAsm_ConstantExpression(void); +extern HashNameNode *MakeLocalLabel(CInt64 num); +extern void InlineAsm_ScanStatements(volatile short endToken); +extern void InlineAsm_ScanFunction(volatile short endToken); +extern void InlineAsm_Assemble(void); +extern void InlineAsm_PackAsmStatement(Statement *stmt, Statement *first, void **output, SInt32 *outsize); +extern void InlineAsm_UnpackAsmStatement(Statement *stmt, CLabel **labelArray, Boolean flag, void *data, SInt32 size); +extern void InlineAsm_CheckLocalUsage(Statement *stmt); +extern CLabel *InlineAsm_GetReferencedLabel(Statement *stmt); +extern CLabel *InlineAsm_GetReferencedLabel2(Statement *stmt); +extern Object *InlineAsm_GetObjectOffset(InlineAsm *ia, SInt32 index, SInt32 *offset); +extern char *InlineAsm_DumpStatement(Statement *stmt); + +// unknown name +inline void InlineAsm_InitExpr5(IAExpr *expr, SInt32 value) { + expr->type = IAExpr_5; + expr->flags = 0; + expr->value = value; + expr->reg = 0; + expr->object = NULL; + expr->xC = NULL; + expr->x10 = NULL; + expr->label = NULL; + expr->x18 = NULL; +} + +// unknown name +inline int InlineAsm_CheckExpr(IAExpr *expr) { + return (expr->xC == NULL && expr->object == NULL && expr->label == NULL); +} + +// unknown name +inline SInt32 InlineAsm_GetExprValue(IAExpr *expr) { + switch (expr->type) { + case IAExpr_8: + return HIGH_PART(expr->value); + case IAExpr_7: + return (short) (expr->value >> 16); + case IAExpr_6: + return (short) expr->value; + default: + return expr->value; + } +} + +#endif |