JPH064346A - Break point managing device for debugger - Google Patents

Abstract

PURPOSE:To simplify debugging processing by efficiently managing break points. CONSTITUTION:A break point managing table 16 stores and manages plural break point data storage parts 12 by classifying them and further, since the read/write of contents in the break point managing table 16 is controlled by a break point management control part 13 with an information obtained by a command analysis part 11, a lot of break points can be managed by being classified according to the definition of electronic computer users. Even in the case of a program to generate a lot of break point commands, the user to use the debugger of the program can easily discriminate the position of the program stopped during the debugging processing of the debug object program and the reason why the program is stopped, and the debugging processing is simplified.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a breakpoint management device in a debugging device for a program, which eliminates a bug (error) in the program by executing, stopping, referencing variables, etc. in software development in an electronic computer. is there.

[0002]

2. Description of the Related Art In recent years, large-scale programs have tended to be developed by improving the processing capacity of electronic computers. further,
With the improvement of parallel processing technology, the demand for parallel processing programs is also increasing. Development of these large-scale programs and parallel processing programs requires a high-performance and easy-to-use program debugging device. The program debug device operates with a program for executing, stopping, and referencing variables of a program to be debugged.

In particular, the break point command for stopping the execution of the target program increases in the development of the large-scale program or the parallel processing program, and the handling becomes difficult.

A break point management device in the above-described conventional program debugging device will be described below with reference to the drawings. FIG. 4 is a block diagram showing the configuration of a breakpoint management device in a conventional program debugging device. In FIG. 4, the command interpreter 1 interprets a command character string input by the user of the debug device. Also, the breakpoint data storage unit 2
Is the breakpoint information, such as where in the program to embed the breakpoint directive, that is,
Stop position (address) in the debug target program
Stores information such as. The break point management control unit 3 interposed between the command interpretation unit 1 and the break point data storage unit 2 creates a new break point in the break point data storage unit 2 based on the result interpreted by the command interpretation unit 1. Create a structure and insert its information, or delete an existing breakpoint structure. Further, the symbol table storage unit 4 and the line number table storage unit 5 to which the command interpretation unit 1 is connected are for extracting the corresponding positions in the program.

The operation of the breakpoint management device in the debug device configured as described above will be described below. First, when the user of the debug device inputs a command to newly set a breakpoint in the electronic computer, the command interpreter 1 refers to the symbol table storage 4 and the line number table storage 5 to set a breakpoint. Determine the position on the program. Then, the break point management control unit 3 secures a break point data structure for a new break point by adding it to the end of the existing break point data.
Further, the breakpoint management control unit 3 uses the new breakpoint storage unit 2 based on the command from the command interpretation unit 1.
Record information such as breakpoint position information in.

Further, when the user of the debug device inputs a command for deleting an existing breakpoint into the computer, the command interpreter 1 interprets the input command and controls the processing entity of the debug device as a breakpoint management control. Hand over to Part 3. The break point management control unit 3 searches the break point data storage unit 2, and if there is the corresponding data, it is made invalid by deleting the data.

As described above, the program debugging device inserts all the breakpoint commands managed as described above into the program to be debugged by the program debugging device immediately before the execution of the program to be debugged is started. To be done. Program execution stops at the position where the breakpoint command is inserted.

[0008]

However, in the above-mentioned conventional configuration, in the case of debugging a large-scale program or a parallel processing program, a large number of breakpoint commands beyond the ability of the user of the debug device to manage must be handled. It had the problem of not becoming.

The present invention solves the above-mentioned conventional problems, and provides a breakpoint management device in a program debugging device capable of efficiently managing a large number of breakpoint commands by classification and simplifying debug processing. It is intended to be provided.

[0010]

In order to solve the above-mentioned problems, a breakpoint management device in a debugging device of the present invention includes a command interpreting unit that interprets a command in response to a user's breakpoint setting or deletion command input. , A plurality of breakpoint data storage units that store information for setting breakpoint commands, a breakpoint table management unit that stores and manages the plurality of breakpoint data storage units by classification, and the command interpretation unit. A break point management control unit capable of reading and writing the contents of the break point table management unit by information is provided.

The breakpoint table management section of the breakpoint management device in the debug device of the present invention is
By storing classification information, the number of breakpoints, and a breakpoint identification number, a plurality of breakpoint data storage units are managed.

Further, the break point table management unit of the break point management device in the debug device of the present invention is configured such that the classified break point commands can be selected and used in the debugging process of the program.

[0013]

With the above configuration, the break point table management unit stores and manages the break point data storage units by classifying them, and the break point management control unit determines the contents of the break point table management unit based on the information obtained by the command interpretation unit. Since read / write control is performed, a large number of breakpoints are managed by distinguishing them according to the classification defined by the computer user, so that the user using the program debug device can The position in the program stopped during the debug process of the debug target program and the reason for the stop can be easily determined, and the debug process is simplified.

[0014]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a block diagram of a breakpoint management device in a program debugging device showing a first embodiment of the present invention. In FIG. 1, a command interpreting unit 11 interprets a command input to a computer by a user of the debug device. The breakpoint data storage unit 12 also stores information such as position information for inserting a breakpoint command into a program to be debugged. Further, the breakpoint management controller 13 connected to the command interpreter 11 creates or deletes the breakpoint data structure according to the command obtained by the command interpreter 11. The position information of the program to be debugged is stored in the symbol table storage unit 14 and the line number table storage unit 15.
It is stored and managed in.

Further, the breakpoint management table 16 as a breakpoint table management unit is interposed between the breakpoint management control unit 13 and the breakpoint data storage unit 12, and a plurality of breakpoint management tables 16 are provided based on the classification defined by the computer user. Manages each of the breakpoint data storage units 12 of. The breakpoint management table 16 is configured to manage the breakpoint data in the plurality of breakpoint data storage units 12 by storing the classification information, the number of breakpoints, and the breakpoint identification number.
Further, the breakpoint management table 16 has a configuration in which the user can select and use the classified breakpoint commands in the program debugging process.

Regarding the breakpoint management device in the program debugging device configured as described above,
The operation will be described below. FIG. 2 shows insertion of an entry into the breakpoint management table 16 and shows an operation example when inserting a breakpoint. A description will be given when the user of the debug device inputs the break point classification A and the line number B of the program source to be inserted into the debug device. First, the command interpreter 11
The position of the program and the classification of the breakpoints are determined based on the information stored in the symbol table storage unit 14 and the line number table storage unit 15 by the command input by the user to the electronic computer. Then, the breakpoint management control unit 13 uses the breakpoint management table 16
To see if the same breakpoint classification C already exists. If there is, the number D is incremented by 1 and a new breakpoint identification number E is inserted in the configuration breakpoint F. Also, the breakpoint management table
If no corresponding entry is found in 16 searches, a new table entry is created, and a new breakpoint identification number is added to the breakpoint classification C, the number (1 if new) D, and the configuration breakpoint F. Record E.

When deleting a breakpoint,
The user inputs the break number identification number E to be deleted into the electronic computer. In this embodiment, the command interpretation unit 11 interprets the command, and the breakpoint management control unit 13 searches the breakpoint management table 16. Then, the number D of breakpoints and the configuration breakpoint F of the corresponding entry are changed. The break point classification C, the number D, and the configuration break point F of the break point management table 16 can be changed by preparing a user command of the program debug device.

As described above, according to the present embodiment, by providing a plurality of breakpoint data storage units 12, breakpoint management control unit 13, and breakpoint management table 16, a large number of breakpoints in a program debugging device can be obtained. Can be easily managed.

FIG. 3 is a block diagram of a breakpoint management device in a program debugging device showing a second embodiment of the present invention. Components having the same effects as those of the first embodiment shown in FIG. 1 are designated by the same reference numerals and the description thereof will be omitted.

A comparison of the effect with the conventional example is shown in (Table 1). 3 is different from FIG. 1 in that a breakpoint classification list 21 as a breakpoint table management unit is provided instead of the breakpoint management table 16, and a breakpoint management control unit 22 that manages and controls the breakpoint classification list 21 is provided. Provided, breakpoint data storage 23
Is a point that is connected and managed by the number of breakpoints of each classification specified by the user.

Regarding the breakpoint management device in the program debugging device configured as described above,
The operation will be described below. First, when setting a breakpoint, the command interpretation unit 11 determines the position of the program and the classification of the breakpoint based on the information stored in the symbol table storage unit 14 and the line number table storage unit 15 by the command. The breakpoint management control unit 22 searches the breakpoint classification list 21 to see if the same classification already exists. If so, a new breakpoint data structure is secured and recorded at the end of the breakpoint data structure connection corresponding to the classification. Further, if the corresponding one is not found in the search of the break point classification list 21, an entry is newly created in the break point classification list 21 to have a connection with the break point data structure storing the information.

When deleting a breakpoint,
The user inputs the break number identification number to be deleted into the computer. In this embodiment, the command interpretation unit 11 interprets the command, and the breakpoint management control unit 22 deletes all the relevant breakpoint structures without inquiring the breakpoint classification list 21.

As described above, by providing the break point classification list 21 and the break point data storage unit 22 shown in FIG. 3 instead of the break point management table 16 shown in FIG. 1, the classification search is speeded up and the management process is simplified. Can be realized.

[0024]

As described above, according to the present invention, a program debugging device is provided with a mechanism for classifying and managing break point data structures and selectively using them. A user who uses the apparatus can classify a program in which a large number of breakpoint commands are generated and classify the program to be debugged to stop, execute, and refer to variables to simplify the debugging process.

[Brief description of drawings]

FIG. 1 is a block diagram of a breakpoint management device in a program debugging device according to a first embodiment of the present invention.

FIG. 2 is a conceptual diagram of a breakpoint management table for explaining the operation of the breakpoint management device of FIG.

FIG. 3 is a block diagram of a breakpoint management device in a program debugging device showing a second embodiment of the present invention.

FIG. 4 is a block diagram of a breakpoint management device in a conventional program debugging device.

[Explanation of symbols]

 11 Command interpreter 12,23 Breakpoint data storage 13,22 Breakpoint management controller 16 Breakpoint management table 21 Breakpoint classification list

Claims (3)

[Claims] 1. A command interpreting unit for interpreting a command in response to a user's breakpoint setting or deletion command input, a plurality of breakpoint data storage units for storing information for setting a breakpoint command, and a plurality of the plurality of breakpoint data storing units. And a break point table control unit that stores and manages the break point data storage units by classifying them, and a break point management control unit that can read and write the contents of the break point table management unit based on the information obtained by the command interpreting unit. Management device in debug device. 2. The break point table management unit is provided with classification information,
The break point management device in a debug device according to claim 1, wherein a plurality of break point data storage units are managed by storing the number of break points and the break point identification number. 3. A breakpoint management device in a debugging device according to claim 1, wherein the breakpoint table management unit is configured to select and use the classified breakpoint commands in a program debugging process.