ppcproc.h

来自「开放源码的编译器open watcom 1.6.0版的源代码」· C头文件 代码 · 共 79 行

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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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* Description:  WHEN YOU FIGURE OUT WHAT THIS FILE DOES, PLEASE
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typedef enum {
        ROUTINE_MODIFY_EXACT            = 0x0001,
        ROUTINE_MODIFIES_NO_MEMORY      = 0x0002,
        ROUTINE_READS_NO_MEMORY         = 0x0004,
        ROUTINE_REMOVES_PARMS           = 0x0008,
        ROUTINE_NEVER_RETURNS           = 0x0010,
        ROUTINE_WANTS_DEBUGGING         = 0x0020,
        ROUTINE_HAS_VARARGS             = 0x0040,
} call_attributes;

typedef byte    reg_num;

#define NO_REGISTER     ((reg_num)-1)

typedef struct {
        char                    wasted_space;
} call_registers;

typedef struct stack_record {
        type_length             start;
        type_length             size;
} stack_record;

typedef struct stack_map {
        stack_record            varargs;
        stack_record            slop;
        stack_record            saved_regs;
        stack_record            locals;
        stack_record            parm_cache;
        stack_record            stack_header;
} stack_map;

typedef struct target_proc_def {
        type_length             max_stack;
        pointer                 debug;
        name                    *return_points;
        stack_map               stack_map;
        uint_32                 gpr_mask;
        uint_32                 fpr_mask;
        uint_32                 proc_start;
        uint_32                 pro_size;
        type_length             frame_size;
        bool                    base_is_fp;
        bool                    leaf;
        bool                    toc_clobbered;
} target_proc_def;