By Arnold Robbins
Many Linux and Unix builders are accustomed to the GNU debugger (GBD), the helpful open resource device for trying out, solving, and retesting software program. and because GDB may be ported to home windows, Microsoft builders and others who use this platform may also reap the benefits of this striking unfastened software program in an effort to see precisely what is going on inside a application as it is executing. This new pocket consultant grants a handy quickly reference for utilizing the debugger with numerous diverse programming languages, together with C, C++, Java, Fortran and Assembly.The GNU debugger is the main great tool throughout the trying out section of the software program improvement cycle since it is helping you seize insects within the act. you'll find what a software was once doing in the mean time it crashed, after which simply pinpoint and proper challenge code. With the GDB Pocket Reference available, the method is quickly and painless. The e-book covers the necessities of utilizing GBD is a checking out setting, together with tips to specify a goal for debugging and the way to make a software cease on distinctive conditions.This convenient advisor additionally offers information on utilizing the debugger to check the stack, resource records and information to discover the reason for software failure-and then explains how you can use GBD to make quickly adjustments to this system for additional checking out and debugging.The skill to identify a trojan horse in actual time with GDB can prevent hours of frustration, and having a short solution to seek advice from GBD's crucial services is vital to creating the method paintings. when you search out the GDB Pocket Reference, you will by no means enable go!
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Extra resources for GDB Pocket Reference (Pocket Reference (O'Reilly))
Example text
This is most useful inside loop bodies. break function Set a breakpoint at the first instruction of function. break linenumber Set a breakpoint at line linenumber in the current file. break file: line Set a breakpoint at line number line in source file file. break file: function Set a breakpoint at function function in source file file. break + offset break - offset Set a breakpoint at offset lines forward (+offset) or backward (-offset) from where execution stopped in the current stack frame. break * address Set a breakpoint at address.
Acceptable values for base are 8, 10, and 16. The value must be entered unambiguously (leading 0 for octal, leading 0x or 0X for hexadecimal), or in the current input radix. language set language lang show language 30 31 Set the source language to lang. Normally, GDB is able to determine the source language from information in the executable file. listsize set listsize count show listsize The number of source lines GDB lists with the list command. logging set logging set logging option value show logging With the usual on and off values, set logging enables and disables logging of GDB command output.
GDB does not check conditions as long as the ignore count is positive. inspect inspect print-expressions An obsolete alias for the print command. See print for more information. info info [feature] Display information about feature, which concerns the state of the debuggee. With no arguments, provide a list of features about which information is available. 10," earlier in this book. jump jump location Continue execution at location, which is either a line-spec as for the list command (see list), or a hexadecimal address preceded by a *.