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gcc源代码分析,grokparms ()函数分析

时间:2015-01-17 16:36:26      阅读:189      评论:0      收藏:0      [点我收藏+]

标签:gcc   源代码   分析   

      arg_types = grokparms (TREE_OPERAND (declarator, 1),
                 funcdef_flag
                 /* Say it‘s a definition
                    only for the CALL_EXPR
                    closest to the identifier.  */

                 && TREE_CODE (TREE_OPERAND (declarator, 0)) == IDENTIFIER_NODE);


 <tree_list 956b0 permanent
    purpose <parm_decl 941c0
        type <pointer_type 9117c type <integer_type 91130* char>
            permanent unsigned SI
            size <integer_cst 8254c literal permanent 4
            align 32 size_unit 8 sep_unit 32 symtab 0
            chain <function_type 912c0>
        unsigned SI file /usr/include/stdio.h line 214 size <integer_cst 8254c 4>
        align 32 size_unit 8 offset 0 arguments <pointer_type 9117c>
    chain <tree_list 95698 permanent value <pointer_type 9117c> chain <tree_list 95698>
after grokparms
 <tree_list 95698 permanent
    value <pointer_type 9117c
        type <integer_type 91130 char readonly permanent QI
            size <integer_cst 82638 literal permanent 1
            align 8 size_unit 8 sep_unit 8 symtab 0
            sep <integer_cst 82608 literal permanent -128 precision 8 min <integer_cst 82608 -128>
            max <integer_cst 82620 literal permanent 127
            pointer_to_this <pointer_type 9117c>
        permanent unsigned SI
        size <integer_cst 8254c literal permanent 4
        align 32 size_unit 8 sep_unit 32 symtab 0
        chain <function_type 912c0>



gcc源代码分析,grokparms ()函数分析

标签:gcc   源代码   分析   

原文地址:http://blog.csdn.net/oldlinux/article/details/42805467

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