In Depth Analysis GCC EN Machine Translated

Chapter 1 Overview of GCC.................................................1
1.1 The emergence and development of GCC.................................... 1 1.2 Features of GCC....................................2 1.3 GCC code analysis. ...................................3
Chapter 2 GCC Source Code Analysis Tool••...4
2.1 vim+ctags code reading tool...................4 2.2 GNUgdb debugging tool........... ..........6
2.3 GNU binutils tools....................................8
2.4 shell tool and graphviz drawing tool••...11 2.5 GCC Debugging Options....................................13
Chapter 3 Overall Structure of GCC....................16
3.1 Directory structure of GCC...................................16 3.2 Logical structure of GCC........... .............. 18 3.3 GCC source code compilation................... .......... 20
3.3.1 Configuration.................................................21 3.3.2 Compilation................................................. 23 3.3.3 Installation.................................... 25
Chapter 4 From source code to AST/
GENERIC ................................. 26
4.1 Abstract Syntax Tree ................................. 26 4.2 Tree Nodes Statement ...................................28
4.3 Tree Node Structure .................................. 33
4.3.1 struct tree_base...................................35 4.3.2 struct tree_common.............36
4.3.3 Constant Node....................................38
4.3.4 Identifier Nodes................................ 42
4.3.5 Declaring Nodes................................44
4.3.6 struct tree_decl_minimal... 46
4.3.7 struct tree__decl_common... 46
4.3.8 struct tree_field_decl...49
4.3.9 struct tree_decl_with_rtl... 55
4.3.10 struct tree_label_decl...........55
4.3.11 struct tree_result_decl... 56
4.3.12 struct tree_const_decl... 57
4.3.13 struct tree_parm_decl...........57
4.3.14 struct tree_decl_with_vis...........59 4.3.15 struct tree_var_decl...........59
4.3.16 struct tree_decl_non_
common...................................62 4.3.17 struct tree_function_decl...........62
4.3.18 struct tree_type_decl...........64 4.3.19 Type Node...................................67 4.3.20 tree_list node.................... 68 4.3.21 expression node........... ..........71
4.3.22 Statement Node ................................. 73
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