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2. 对ID及保留字的处理struct tree_decl { char common[sizeof (struct tree_common)]; char *filename; int linenum; union tree_node *size; enum machine_mode mode : 8; unsigned char size_unit; unsigned char align; unsigned char voffset_unit; union tree_node *name; union tree_node *context; int offset; union tree_node *voffset; union tree_node *arguments; union tree_node *result; union tree_node *initial; char *print_name; char *assembler_name; struct rtx_def *rtl; /* acts as link to register transfer language (rtl) info */ int frame_size; /* For FUNCTION_DECLs: size of stack frame */ struct rtx_def *saved_insns; /* For FUNCTION_DECLs: points to insn that constitutes its definition on the permanent obstack. */ int block_symtab_address; /* Points to a structure whose details depend on the language in use. */ struct lang_decl *lang_specific; };
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原文地址:http://blog.csdn.net/sstower/article/details/47417073