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Oracle Solaris Studio 12.2: Debugging a Program With dbx
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Document Information

Preface

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

19.  Using dbx With the Korn Shell

20.  Debugging Shared Libraries

A.  Modifying a Program State

B.  Event Management

C.  Command Reference

assign Command

Native Mode Syntax

Java Mode Syntax

attach Command

Syntax

To Attach to a Running Java Process

bsearch Command

Syntax

call Command

Native Mode Syntax

Java Mode Syntax

cancel Command

Syntax

catch Command

Syntax

check Command

Syntax

clear Command

Syntax

collector Command

Syntax

collector archive Command

Syntax

collector dbxsample Command

Syntax

collector disable Command

Syntax

collector enable Command

Syntax

collector heaptrace Command

Syntax

collector hw_profile Command

Syntax

collector limit Command

Syntax

collector mpitrace Command

Syntax

collector pause Command

Syntax

collector profile Command

Syntax

collector resume Command

Syntax

collector sample Command

Syntax

collector show Command

Syntax

collector status Command

Syntax

collector store Command

Syntax

collector synctrace Command

Syntax

collector tha Command

Syntax

collector version Command

Syntax

cont Command

Syntax

dalias Command

Syntax

dbx Command

Native Mode Syntax

Java Mode Syntax

Options

dbxenv Command

Syntax

debug Command

Native Mode Syntax

Java Mode Syntax

Options

delete Command

Syntax

detach Command

Native Mode Syntax

Java Mode Syntax

dis Command

Syntax

Options

display Command

Native Mode Syntax

Java Mode Syntax

down Command

Syntax

dump Command

Syntax

edit Command

Syntax

examine Command

Syntax

exception Command

Syntax

exists Command

Syntax

file Command

Syntax

files Command

Native Mode Syntax

Java Mode Syntax

fix Command

Syntax

fixed Command

Syntax

fortran_modules Command

Syntax

frame Command

Syntax

func Command

Native Mode Syntax

Java Mode Syntax

funcs Command

Syntax

gdb Command

Syntax

handler Command

Syntax

hide Command

Syntax

ignore Command

Syntax

import Command

Syntax

intercept Command

Syntax

java Command

Syntax

jclasses Command

Syntax

joff Command

Syntax

jon Command

Syntax

jpkgs Command

Syntax

kill Command

Syntax

language Command

Syntax

line Command

Syntax

Examples

list Command

Syntax

Options

Examples

listi Command

loadobject Command

Syntax

loadobject -dumpelf Command

Syntax

loadobject -exclude Command

Syntax

loadobject -hide Command

Syntax

loadobject -list Command

Syntax

loadobject -load Command

Syntax

loadobject -unload Command

Syntax

loadobject -use Command

Syntax

lwp Command

Syntax

lwps Command

Syntax

mmapfile Command

Syntax

Example

module Command

Syntax

modules Command

Syntax

native Command

Syntax

next Command

Native Mode Syntax

Java Mode Syntax

nexti Command

Syntax

omp_loop Command

Syntax

omp_pr Command

Syntax

omp_serialize Command

Syntax

omp_team Command

Syntax

omp_tr Command

Syntax

pathmap Command

Syntax

Examples

pop Command

Syntax

print Command

Native Mode Syntax

Java Mode Syntax

proc Command

Syntax

prog Command

Syntax

quit Command

Syntax

regs Command

Syntax

Example (SPARC platform)

replay Command

Syntax

rerun Command

Syntax

restore Command

Syntax

rprint Command

Syntax

rtc showmap Command

Syntax

rtc skippatch Command

Syntax

run Command

Native Mode Syntax

Java Mode Syntax

runargs Command

Syntax

save Command

Syntax

scopes Command

Syntax

search Command

Syntax

showblock Command

Syntax

showleaks Command

Syntax

showmemuse Command

Syntax

source Command

Syntax

status Command

Syntax

Example

step Command

Native Mode Syntax

Java Mode Syntax

stepi Command

Syntax

stop Command

Syntax

Native Mode Syntax

Java Mode Syntax

stopi Command

Syntax

suppress Command

Syntax

sync Command

Syntax

syncs Command

Syntax

thread Command

Native Mode Syntax

Java Mode Syntax

threads Command

Native Mode Syntax

Java Mode Syntax

trace Command

Syntax

Native Mode Syntax

Java Mode Syntax

tracei Command

Syntax

uncheck Command

Syntax

undisplay Command

Native Mode Syntax

Java Mode Syntax

unhide Command

Syntax

unintercept Command

Syntax

unsuppress Command

Syntax

unwatch Command

Syntax

up Command

Syntax

use Command

watch Command

Syntax

whatis Command

Native Mode Syntax

Java Mode Syntax

when Command

Syntax

Native Mode Syntax

Java Mode Syntax

wheni Command

Syntax

where Command

Native Mode Syntax

Java Mode Syntax

whereami Command

Syntax

whereis Command

Syntax

which Command

Syntax

whocatches Command

Syntax

Index

examine Command

The examine command shows memory contents. It is valid only in native mode.

Syntax

examine [address] [ / [count] [format]]

Display the contents of memory starting at address for count items in format format.

examine address1, address2 [ / [format]]

Display the contents of memory from address1 through address2 inclusive, in format format.

examine address= [format]

Display the address (instead of the contents of the address) in the given format.

The address may be +, which indicates the address just after the last one previously displayed (the same as omitting it).

x is a predefined alias for examine.

where:

address is the address at which to start displaying memory contents. The default value of address is the address after the address whose contents were last displayed. This value is shared by the dis command (see dis Command).

address1 is the address at which to start displaying memory contents.

address2 is the address at which to stop displaying memory contents.

count is the number of addresses from which to display memory contents. The default value of count is 1.

format is the format in which to display the contents of memory addresses. The default format is X (hexadecimal) for the first examine command, and the format specified in the previous examine command for subsequent examine commands. The following values are valid for format:

o,O

octal (2 or 4 bytes)

x,X

hexadecimal (2 or 4 bytes)

b

octal (1 byte)

c

character

w

wide character

s

string

W

wide character string

f

hexadecimal and floating point (4 bytes, 6 digit precision)

F

hexadecimal and floating point (8 bytes, 14 digit precision )

g

same as F

E

hexadecimal and floating point (16 bytes, 14 digit precision)

ld,lD

decimal (4 bytes, same as D)

lo,lO

octal 94 bytes, same as O

lx,lX

hexadecimal (4 bytes, same as X)

Ld,LD

decimal (8 bytes)

Lo,LO

octal (8 bytes)

Lx,LX

hexadecimal (8 bytes)