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Oracle Solaris Studio 12.3: Debugging a Program With dbx     Oracle Solaris Studio 12.3 Information Library
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Document Information


1.  Getting Started With dbx

2.  Starting dbx

3.  Customizing dbx

4.  Viewing and Navigating To Code

5.  Controlling Program Execution

6.  Setting Breakpoints and Traces

7.  Using the Call Stack

8.  Evaluating and Displaying Data

9.  Using Runtime Checking

10.  Fixing and Continuing

11.  Debugging Multithreaded Applications

12.  Debugging Child Processes

13.  Debugging OpenMP Programs

14.  Working With Signals

15.  Debugging C++ With dbx

16.  Debugging Fortran Using dbx

17.  Debugging a Java Application With dbx

18.  Debugging at the Machine-Instruction Level

Examining the Contents of Memory

Using the examine or x Command

Using Addresses

Using Formats

Using Count

Examples of Using an Address

Using the dis Command

Using the listi Command

Stepping and Tracing at Machine-Instruction Level

Single Stepping at the Machine-Instruction Level

Tracing at the Machine-Instruction Level

Setting Breakpoints at the Machine-Instruction Level

Setting a Breakpoint at an Address

Using the regs Command

Platform-Specific Registers

SPARC Register Information

x86 Register Information

AMD64 Register Information

19.  Using dbx With the Korn Shell

20.  Debugging Shared Libraries

A.  Modifying a Program State

B.  Event Management

C.  Macros

D.  Command Reference


Setting Breakpoints at the Machine-Instruction Level

To set a breakpoint at the machine-instruction level, use the stopi command. The command accepts any event specification, using the syntax:

stopi event-specification [modifier]

Commonly used forms of the stopi command are:

stopi [at address] [-if cond]
stopi in function [-if cond]

For more information, see stopi Command.

Setting a Breakpoint at an Address

To set a breakpoint at a specific address, type:

(dbx) stopi at address

For example:

(dbx) nexti
stopped in hand::ungrasp at 0x12638
(dbx) stopi at &hand::ungrasp
(3) stopi at &hand::ungrasp