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The debug status register permits the debugger to determine which debug conditions have occurred. When the processor detects an enabled debug exception, it will set the corresponding bits of this register before entering the debug exception handler.
Instead of using a physical stop button to suspend execution - to then begin stepping through the application program, a breakpoint or "Pause" request must usually be set beforehand, usually at a particular statement/instruction in the program (chosen beforehand or alternatively, by default, at the first instruction).
The debugging interface of Eclipse with a program suspended at a breakpoint. Panels with stack trace (upper left) and watched variables (upper right) can be seen. In software development, a breakpoint is an intentional stopping or pausing place in a program, put in place for debugging purposes. It is also sometimes simply referred to as a pause
In-circuit emulation (ICE) is the use of a hardware device or in-circuit emulator used to debug the software of an embedded system.It operates by using a processor with the additional ability to support debugging operations, as well as to carry out the main function of the system.
In engineering, debugging is the process of finding the root cause, workarounds and possible fixes for bugs.. For software, debugging tactics can involve interactive debugging, control flow analysis, log file analysis, monitoring at the application or system level, memory dumps, and profiling.
The LLDB Debugger (LLDB) is the debugger component of the LLVM project. It is built as a set of reusable components which extensively use existing libraries from LLVM, such as the Clang expression parser and LLVM disassembler.
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The user can set a breakpoint and stop simulation to inspect the design state, interact with the design, and resume simulation. The user can stop execution “mid-cycle” as it were with only part of the code executed. The user can see any signal in the design and the contents of any memory location at any time.