JPH03144829A - Variable target compiler system - Google Patents

Abstract

PURPOSE:To obtain various object programs which use the computer architecture designated by a single type of compiler as a target by designating via a user the type of the target computer architecture at the translation of a source program. CONSTITUTION:A user of a compiler 11 designates the type of a target computer architecture, and the compiler 11 recognizes the target designated by the user via a target designation recognizing means 14. Then a syntactic analyzing means 12 translates a source program 17 into an intermediate language 16 dependent on no computer architecture. A code generating means 13 refers to the detailed information on the target computer architecture recognized by the means 14 via a target dependent information holding means 15 and converts a machine instruction into an object program 18. Thus it is possible to obtain plural types of object programs which define the plural types of computer architectures as targets via a single type of compiler.

Description

Detailed Description of the Invention (Field of Industrial Application) The present invention is a variable target program that converts a source program written in a high-level programming language into multiple types of object programs targeting multiple types of computer architectures. Regarding compiler methods.

(Prior Art) Conventionally, as shown in FIG. 3, a compiler 31 for a digital computer includes a syntax analysis means 32 that translates a source program 35 written in a high-level programming language and generates an intermediate language 34, and a syntax analysis means 32 that generates an intermediate language 34. 34 is input and fixed machine instructions targeted at a specific computer architecture 37 are converted into an object program 36.The compiler 31 is used to generate code in a high-level programming language. After the written source program 35 is translated by the syntax analysis means 32 to generate an intermediate language 34, the code generation means 33 converts it into a specific type of computer architecture 3.
An object program 36 targeting 7 is output.

(Problem to be Solved by the Invention) However, in the conventional compiler 31 described above, the target computer architecture 37 is fixed to one specific type, and the code generation means 33 only generates machine instructions for one specific type of computer architecture. It was designed to generate object programs targeted at different types of computer architectures, and it was not possible to output object programs targeting different types of computer architectures using just one type of standalone compiler. Therefore, if a user wanted to obtain multiple types of object programs with different targets from the same source program, it was necessary to prepare multiple types of compilers that were designed separately for each different target. .

Conventionally, as mentioned above, there have been problems to be solved.

SUMMARY OF THE INVENTION An object of the present invention is to provide a variable target compiler system that can obtain a plurality of types of object programs targeting a plurality of types of computer architectures using a single type of compiler.

(Means for Solving the Problem) The above problem is achieved by using the variable target compiler method that converts a source program written in a high-level programming language into multiple types of object programs targeting multiple types of computer architectures. a target dependent information holding means for holding detailed information regarding a plurality of types of computer architecture; a target specification recognition means for recognizing the type of computer architecture specified as a target by a user; a transverse sentence analysis means for translating into an intermediate language that does not depend on any of the machine architectures; and a target dependence information holding means that targets a total of three specific architectures into which the intermediate language is input and recognized by the target designation recognition means. This problem can be solved by providing a code generation means for converting the input intermediate language into the object program by referring to detailed information.

(Operation) In the present invention, the user inputs the type of computer architecture to be targeted, and the target designation recognition means recognizes the type of computer architecture. Further, detailed information regarding a plurality of types of computer architectures is held in advance in the target dependent information holding means. Then, the source program is translated into an intermediate language that does not depend on any of the plurality of computer architectures by the transverse text analysis means, and the intermediate language is input to the code generation means, and the code generation means specifies the target computer. The intermediate language is converted into an object program using the architecture as a target and referring to the detailed information of the target dependent information holding means.

As described above, according to the present invention, if the user specifies the type of computer architecture to be targeted, various object programs suitable for the specified computer architecture can be obtained from a single compiler. Therefore, there is an advantage that there is no need to design separate compilers for different types of computer architectures.

(Example) An example of the present invention will be described below with reference to the drawings.

As shown in FIG. 1, the variable target compiler system of this embodiment includes a compiler 11 and a source program 17.
and an object program 18.

The compiler 11 includes a syntax analysis means 12 , a code generation means 13 , a target specification recognition means 14 , a target dependence information holding means 15 , and an intermediate language 16 .

The source program 17 is a program written in a high-level programming language.

The syntax analyzer V112 translates the source program 17 and generates an independent intermediate language 16 that does not depend on any computer architecture.The target designation recognition means 14 translates the source program 17 and generates an independent intermediate language 16 that does not depend on any computer architecture. A total of 3! Recognize machine architecture types.

The target dependent information holding means 15 holds detailed information regarding a plurality of computer architectures.

Here, the specific contents of the detailed information include the machine instruction set of the computer, the type and number of registers, the data format, the hardware configuration such as the addressing system, and the execution characteristics.

The intermediate language 16 is input to the code generation means 13, and the code generation means Pi13 generates machine instructions with the computer architecture recognized by the target designation recognition means 14 as a target while referring to the detailed information in the target dependence information holding means 15. Convert to object 10 grams 18.

Next, the overall operation of this embodiment will be explained. When compiling the source program 17, the user of the compiler 11 specifies the type of target computer architecture. The compiler 11 uses the targeter 1 specification recognition means 14 to recognize the target specified by the user.

Then, the syntax analysis means 12 converts the source program into an intermediate language 1 that does not depend on any computer architecture.
Translate to 6. The code generation means 13 converts the machine instructions into the object program 18 by referring to the detailed information regarding the computer architecture of the target recognized by the target designation recognition means '14 from the targeter I/dependence information holding membrane 15.

FIG. 2 shows a specific usage example of the present invention. In FIG. 2, computer architectures AB and C are, for example, NEC's V70 processor, Motorola's MC6
Object programs 18a, 18b, and 18c, such as 8020 and Intel 80386, are targeted at computer architectures A, B, and C, respectively. According to this embodiment, one compiler 11 converts the calculation architecture A from the source program 17.
, B, and C can be obtained as object 10-grams 18a, 18b, and 18c.

(Effects of the Invention) As explained above, according to the variable target compiler system of the present invention, the user can specify the type of computer architecture targeted at the time of compiling a source program, and the compiler Various object programs targeting a specified computer architecture can be obtained. therefore,
According to the present invention, there is an advantage that the user does not have to prepare a plurality of compilers designed separately for different types of computer architectures.

[Brief explanation of the drawing]

Fig. 1 is a block diagram showing the overall configuration of a variable target compiler system according to an embodiment of the present invention, Fig. 2 is a block diagram showing a specific usage example of the present invention, and Fig. 3 shows a conventional compiler system. It is a block diagram. 11...Compiler, 12...Syntax analysis means, 13
... code generation means, 14 ... target specification recognition means, 15 ... target dependence information holding means, 16.
...Intermediate language, 17...Source program, 18...
- Object program, A... Computer architecture, B... Computer architecture, C... Computer architecture, 18a... Object program targeting computing architecture A, 18b...
- Object 1-program targeting computer architecture B, 18c...Object program targeting computer architecture C.

Claims (1)

[Claims] A source program written in a high-level programming language,
In a variable target compiler method for converting multiple types of object programs targeting multiple types of computer architectures, a target dependence information holding means that holds detailed information regarding the multiple types of computer architectures; target specification recognition means for recognizing the type of specified computer architecture; syntax analysis means for translating the source program into an intermediate language that does not depend on any of the plurality of computer architectures; and code generation means for converting the input intermediate language into the object program with a specific computer architecture recognized by the means as a target and with reference to detailed information of the target dependent information holding means. Variable target compiler method.