procdef.h

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*                            Open Watcom Project
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*    Portions Copyright (c) 1983-2002 Sybase, Inc. All Rights Reserved.
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*    This file contains Original Code and/or Modifications of Original
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#include "targproc.h"

#define ROUTINE_LOADS_DS                  0x8000

typedef enum {
        GENERATED_PROLOG                = 0x01,
        GENERATED_EPILOG                = 0x02,
#include "targprol.h"
        _GENERATED__LAST                = 0x8000        // force to 2 bytes
} prolog_state_def;

typedef struct var_set {
        type_length     size;
        type_length     base;   /*  base offset from frame pointer */
} var_set;

typedef struct parm_state {
        hw_reg_set              used;
        hw_reg_set              *table;
        hw_reg_set              *curr_entry;
        type_length              offset;
#if _TARGET & _TARG_PPC
        uint_32                 gr;
        uint_32                 fr;
#endif
} parm_state;


typedef struct call_state {
        parm_state              parm;
        hw_reg_set              used;
        hw_reg_set              modify;
        hw_reg_set              unalterable;
        hw_reg_set              return_reg;
        call_attributes         attr;
        call_registers          regs;
} call_state;

typedef struct label_id {
        struct label_id         *next;
        label_handle            label;
        block_num               block_id;
} label_id;

typedef struct proc_def {
        target_proc_def         targ;
        struct var_set          parms;
        struct var_set          locals;
        struct call_state       state;
        struct block            *head_block;
        struct block            *tail_block;
        struct proc_def         *next_proc;
        union  name             *names[N_INDEXED+1];
        struct block            *curr_block;
        pointer                 frame_index;
        pointer                 label;
        int                     ins_id;
        bool                    block_by_block;
        bool                    untrimmed;
        bool                    contains_call;
        byte                    lex_level;
        prolog_state_def        prolog_state;
        union  name             *lasttemp;
        union  name             *dummy_index;
        instruction             *parms_list;
} proc_def;