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authorAsh Wolf <ninji@wuffs.org>2022-11-20 00:07:22 -0500
committerAsh Wolf <ninji@wuffs.org>2022-11-20 00:07:22 -0500
commit9d2728a5605f651934fe67a6fe6986b3e4a2c011 (patch)
treee81e0a3588a0c8d1855bf28316efe27d86b04d66 /includes/compiler/InlineAsm.h
parent9a46dd0e2e80790d9848c0bbd718932a27c23269 (diff)
downloadMWCC-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.h239
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