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    int nb_cached_includes;

    /* #pragma pack stack */
    int pack_stack[PACK_STACK_SIZE];
    int *pack_stack_ptr;
    char **pragma_libs;
    int nb_pragma_libs;

    /* inline functions are stored as token lists and compiled last
       only if referenced */
    struct InlineFunc **inline_fns;
    int nb_inline_fns;

    /* sections */
    Section **sections;
    int nb_sections; /* number of sections, including first dummy section */

    Section **priv_sections;
    int nb_priv_sections; /* number of private sections */

    /* got & plt handling */
    Section *got;
    Section *plt;
    struct sym_attr *sym_attrs;
    int nb_sym_attrs;
    /* give the correspondance from symtab indexes to dynsym indexes */
    int *symtab_to_dynsym;

    /* temporary dynamic symbol sections (for dll loading) */
    Section *dynsymtab_section;
    /* exported dynamic symbol section */
    Section *dynsym;
    /* copy of the gobal symtab_section variable */
    Section *symtab;
    /* tiny assembler state */
    Sym *asm_labels;

#ifdef TCC_TARGET_PE
    /* PE info */
    int pe_subsystem;
    unsigned pe_file_align;
    unsigned pe_stack_size;
# ifdef TCC_TARGET_X86_64
    Section *uw_pdata;
    int uw_sym;
    unsigned uw_offs;
# endif
#endif

#ifdef TCC_IS_NATIVE
    const char *runtime_main;
    void **runtime_mem;
    int nb_runtime_mem;
#endif

    /* used by main and tcc_parse_args only */
    struct filespec **files; /* files seen on command line */
    int nb_files; /* number thereof */
    int nb_libraries; /* number of libs thereof */
    int filetype;
    char *outfile; /* output filename */
    char *option_m; /* only -m32/-m64 handled */
    int print_search_dirs; /* option */
    int option_r; /* option -r */
    int do_bench; /* option -bench */
    int gen_deps; /* option -MD  */
    char *deps_outfile; /* option -MF */

/* #ifdef CONFIG_TCC_EXSYMTAB */
    /* ---- Extended symbol table handling ---- */
    struct extended_symtab * exsymtab;
    extended_symtab_lookup_by_name_callback symtab_name_callback;
    extended_symtab_sym_used_callback symtab_sym_used_callback;
    extended_symtab_prep_callback symtab_prep_callback;
    void * symtab_callback_data;
    char * symtab_serialize_outfile; /* option -serialize-symtab */
    char * dump_identifier_names_outfile; /* option -dump-identifier-names */
/* #endif */

    int option_pthread; /* -pthread option */
};

struct filespec {
    char type, name[1];
};

/* The current value can be: */
#define VT_VALMASK   0x003f  /* mask for value location, register or: */
#define VT_CONST     0x0030  /* constant in vc (must be first non register value) */
#define VT_LLOCAL    0x0031  /* lvalue, offset on stack */
#define VT_LOCAL     0x0032  /* offset on stack */
#define VT_CMP       0x0033  /* the value is stored in processor flags (in vc) */
#define VT_JMP       0x0034  /* value is the consequence of jmp true (even) */
#define VT_JMPI      0x0035  /* value is the consequence of jmp false (odd) */
#define VT_REF       0x0040  /* value is pointer to structure rather than address */
#define VT_LVAL      0x0100  /* var is an lvalue */
#define VT_SYM       0x0200  /* a symbol value is added */
#define VT_MUSTCAST  0x0400  /* value must be casted to be correct (used for
                                char/short stored in integer registers) */
#define VT_MUSTBOUND 0x0800  /* bound checking must be done before
                                dereferencing value */
#define VT_BOUNDED   0x8000  /* value is bounded. The address of the
                                bounding function call point is in vc */
#define VT_LVAL_BYTE     0x1000  /* lvalue is a byte */
#define VT_LVAL_SHORT    0x2000  /* lvalue is a short */
#define VT_LVAL_UNSIGNED 0x4000  /* lvalue is unsigned */
#define VT_LVAL_TYPE     (VT_LVAL_BYTE | VT_LVAL_SHORT | VT_LVAL_UNSIGNED)

/* types */
#define VT_BTYPE       0x000f  /* mask for basic type */
#define VT_INT              0  /* integer type */
#define VT_BYTE             1  /* signed byte type */
#define VT_SHORT            2  /* short type */
#define VT_VOID             3  /* void type */
#define VT_PTR              4  /* pointer */
#define VT_ENUM             5  /* enum definition */
#define VT_FUNC             6  /* function type */
#define VT_STRUCT           7  /* struct/union definition */
#define VT_FLOAT            8  /* IEEE float */
#define VT_DOUBLE           9  /* IEEE double */
#define VT_LDOUBLE         10  /* IEEE long double */
#define VT_BOOL            11  /* ISOC99 boolean type */
#define VT_LLONG           12  /* 64 bit integer */
#define VT_LONG            13  /* long integer (NEVER USED as type, only
                                  during parsing) */
#define VT_QLONG           14  /* 128-bit integer. Only used for x86-64 ABI */
#define VT_QFLOAT          15  /* 128-bit float. Only used for x86-64 ABI */
#define VT_UNSIGNED    0x0010  /* unsigned type */
#define VT_ARRAY       0x0020  /* array type (also has VT_PTR) */
#define VT_BITFIELD    0x0040  /* bitfield modifier */
#define VT_CONSTANT    0x0800  /* const modifier */
#define VT_VOLATILE    0x1000  /* volatile modifier */
#define VT_DEFSIGN     0x2000  /* signed type */
#define VT_VLA     0x00020000  /* VLA type (also has VT_PTR and VT_ARRAY) */

/* storage */
#define VT_EXTERN  0x00000080  /* extern definition */