HP gnu source-level debugger 5992-4701 Bedienungsanleitung Seite 51
- Seite / 369
- Inhaltsverzeichnis
- LESEZEICHEN
Bewertet. / 5. Basierend auf Kundenbewertungen
5 Stopping and Continuing
The principal purpose of a debugger is to let you stop your program before it terminates
abnormally or runs into trouble, so that you can investigate and determine the reason.
Inside GDB, your program can stop for several reasons, such as a signal, a breakpoint,
or reaching a new line after a GDB command such as step. You can then examine and
change variables, set new breakpoints or remove old ones, and then continue execution.
Usually, the messages shown by GDB provide information on the status of your
program―but you can also explicitly request this information at any time.
info program
Display information about the status of your program: whether it
is running or not, what process it is, and why it stopped.
5.1 Breakpoints
A breakpoint makes your program stop whenever a certain point in the program is
reached. For each breakpoint, you can add conditions to control in finer detail whether
your program stops. You can set breakpoints with the break command and its variants.
(see “Setting breakpoints” (page 52)) You can stop your program by line number,
function name or an address in the program.
You can arrange to have values from your program displayed automatically whenever
GDB stops at a breakpoint. See “Automatic display” (page 89).
In HP-UX, SunOS 4.x, SVR4, and Alpha OSF/1 configurations, you can set breakpoints
in shared libraries before the executable is run. See “Debugging support for shared
libraries” (page 210).
A catchpoint is another special breakpoint that stops your program when a certain kind
of event occurs, such as the throwing of a C++ exception or the loading of a library. As
with watchpoints, you use a different command to set a catchpoint (see “Setting
catchpoints” (page 56)), but apart from that, you can manage a catchpoint like any
other breakpoint. (To stop when your program receives a signal, use the handle
command; see “Signals” (page 67).)
GDB assigns a number to each breakpoint, watchpoint, or catchpoint when you create
it; these numbers are successive integers starting with one. In many of the commands
for controlling various features of breakpoints you use the breakpoint number to say
which breakpoint you want to change. Each breakpoint may be enabled or disabled;
if disabled, it has no effect on your program until you enable it again.
Some GDB commands accept a range of breakpoints on which to operate. A breakpoint
range is either a single breakpoint number, like '5', or two such numbers, in increasing
order, separated by a hyphen, like '5-7'. When a breakpoint range is given to a
command, all breakpoint in that range are operated on.
5.1 Breakpoints 51
- Debugging with GDB Manual 1
- Table of Contents 3
- 4 Table of Contents 4
- Table of Contents 5 5
- 6 Table of Contents 6
- Table of Contents 7 7
- 8 Table of Contents 8
- Table of Contents 9 9
- 10 Table of Contents 10
- Table of Contents 11 11
- 12 Table of Contents 12
- List of Tables 13
- List of Examples 14
- Summary of GDB 15
- Contributors to GDB 17 17
- 1 A Sample GDB Session 19
- 1.2 Setting Display width 20
- 1.3 Setting Breakpoints 20
- 1.7 Examining the Stack 21
- 1.8 Printing Variable Values 21
- 1.9 Listing Source Code 22
- 2 Getting In and Out of GDB 25
- 2.1.1 Choosing files 26
- 2.1.2 Choosing modes 27
- Program exited normally 28
- 2.1 Invoking GDB 29 29
- 2.2 Quitting GDB 30
- 2.3 Shell commands 31
- 3 GDB Commands 33
- 34 GDB Commands 34
- 3.3 Getting help 35
- 36 GDB Commands 36
- 3.3 Getting help 37 37
- 4 Running Programs Under GDB 39
- 40 Running Programs Under GDB 40
- 4.3 Arguments To Your Program 41
- 4.4 Program Environment 41
- 42 Running Programs Under GDB 42
- 4.5 Working directory 43
- 4.6 Program Input and Output 43
- 44 Running Programs Under GDB 44
- 4.8 Killing the child process 45
- ((gdb)) info threads 46
- ((gdb)) thread 1 46
- 48 Running Programs Under GDB 48
- 50 Running Programs Under GDB 50
- 5 Stopping and Continuing 51
- 5.1.1 Setting breakpoints 52
- 5.1 Breakpoints 53 53
- 54 Stopping and Continuing 54
- 5.1 Breakpoints 55 55
- 5.1.2 Setting catchpoints 56
- 5.1 Breakpoints 57 57
- 5.1.3 Deleting breakpoints 58
- 5.1.4 Disabling breakpoints 58
- 5.1.5 Break conditions 59
- 60 Stopping and Continuing 60
- 5.1 Breakpoints 61 61
- 5.1.7 Breakpoint menus 62
- 5.1 Breakpoints 63 63
- 5.2 Continuing and stepping 64
- ((gdb)) f 66
- 206 expand_input(); 66
- ((gdb)) until 66
- 5.3 Signals 67
- 68 Stopping and Continuing 68
- 70 Stopping and Continuing 70
- 6 Examining the Stack 71
- 6.2 Stacks Without frames 72
- 6.4 Backtraces 72
- 6.5 Selecting a frame 73
- 6.6 Information about a frame 74
- 7 Examining Source Files 77
- 7.2 Searching source files 78
- 7.4 Source and machine code 80
- 8 Examining Data 83
- 8.2 Program variables 84
- 8.3 Artificial arrays 85
- 8.4 Output formats 86
- 8.5 Examining memory 87
- 88 Examining Data 88
- 8.6 Automatic display 89
- 8.7 Print settings 90
- ((gdb)) set print addr off 91
- 530 if (lquote != def_lquote) 91
- 92 Examining Data 92
- 8.7 Print settings 93 93
- 94 Examining Data 94
- 8.8 Value history 95
- 8.9 Convenience variables 96
- 8.9 Convenience variables 97 97
- 8.10 Registers 98
- 8.12 Floating point hardware 99
- 9.2 Displaying the language 103
- 9.3 Type and range checking 103
- 9.4 Supported languages 105
- 9.4.1 C and C++ 106
- 9.4 Supported languages 107 107
- 9.4 Supported languages 109 109
- 9.4 Supported languages 111 111
- 9.4.2 Fortran 112
- 9.4 Supported languages 113 113
- 10 Examining the Symbol Table 115
- {<no data fields>} 118
- 11 Altering Execution 119
- 120 Altering Execution 120
- 11.6 Patching programs 122
- 11.6 Patching programs 123 123
- 12 GDB Files 125
- 126 GDB Files 126
- 128 GDB Files 128
- 130 GDB Files 130
- 132 GDB Files 132
- 13.1 Active targets 133
- 14.2 HP-UX dependencies 140
- 14.2 HP-UX dependencies 141 141
- 14.4 HP-UX targets 143
- 14.7.3 Using Fix and Continue 147
- 14.8 Inline Support 150
- 14.8 Inline Support 151 151
- /opt/aCC/bin/aCC -g test.c 152
- (gdb) set inline-debug on 152
- $ gdb --inline = on 152
- 14.9 Debugging Macros 153
- 14.9 Debugging Macros 155 155
- <arguments if any> 170
- 14.10.10 Heap Profiling 178
- (gdb) set heap-check on 179
- (gdb) b myfunction 179
- (gdb) thread disable 1 181
- (gdb) thread enable 1 181
- Enabling thread 1 181
- Set BATCH_RTC=on 191
- 14.12 Debugging MPI Programs 194
- 0x61, 0x61, 0x61, 0x61 199
- 14.15 Debugging Core Files 200
- (gdb) i ep 4 10 204
- Sample Program: 205
- Sample Debugging Session: 205
- 14.21.1 Deferred watchpoints 208
- 14.21.2 Hardware watchpoints 208
- 14.21.3 Hardware breakpoints 208
- (gdb) break :: 209
- (gdb) b main 210
- 14.22.3 Using catch load 211
- (gdb) set mapshared on 212
- (gdb) set mapshared off 212
- /usr/lib/hpux32/dld.so 213
- 14.25 Language support 217
- (gdb) help java 218
- Java VM Debugging Commands 219
- Java subcommands 219
- 14.25 Language support 221 221
- 14.30 Debugging with ARIES 230
- /opt/langtools/bin/vdb 233
- /opt/langtools/bin/vdb -tui 233
- HPterm*foreground: white 235
- 14.31.5 Using the TUI mode 236
- 14.31.8 Loading source files 237
- 14.31.9 Editing source files 237
- 14.32 Support for ddd 238
- 14.37 Linux support 241
- 15.1 Starting the TUI 243
- 15.3 Screen Layouts 244
- 15.3.1 Source pane 245
- 15.3.2 Disassembly pane 245
- 15.3.5 Source/Register pane 247
- 15.5 Changing pane focus 248
- 15.6 Scrolling panes 250
- 15.8 Changing the pane size 251
- 16.1.1 Invocation commands 254
- 16.1.2 Window mode commands 254
- 16.1.3 File viewing commands 255
- 16.1.6 Stack viewing commands 258
- 16.1.7 Status-viewing command 259
- 16.1.8 Job control commands 259
- XDB: p expr\fmt 266
- GDB: p/fmt expr 266
- Table 16-19 Special variables 269
- 16.8.1 A 270
- 16.8.2 B 271
- 16.8.3 C through D 272
- 16.8.4 F through K 273
- 16.8.5 L 273
- 16.8.6 M through P 274
- 16.8.7 Q through S 275
- 16.8.8 T 275
- 16.8.9 U through Z 276
- 16.8.10 Symbols 277
- 17 Controlling GDB 281
- 282 Controlling GDB 282
- 17.5 Supported Number Formats 283
- ((gdb)) run 284
- 286 Controlling GDB 286
- 18.1 User-defined commands 287
- 18.3 Command files 289
- 19 Using GDB under gnu Emacs 293
- 294 Using GDB under gnu Emacs 294
- 20 GDB Annotations 297
- 20.3 Values 298
- 20.4 Frames 299
- 300 GDB Annotations 300
- 20.5 Displays 301
- 20.6 Annotation for GDB input 301
- 20.7 Errors 302
- 20.9 Invalidation notices 303
- 20.10 Running the program 303
- 20.11 Displaying source 304
- 21 The GDB/MI Interface 307
- 21.1.2 GDB/MI Output syntax 308
- 310 The GDB/MI Interface 310
- 21.3 GDB/MI output records 311
- -command args 312
- -break-after number count 312
- The -break-condition command 313
- Synopsis 313
- GDB command 313
- 314 The GDB/MI Interface 314
- [ -p thread ] [ line 316
- The -break-list command 317
- The -break-watch command 318
- 21.6 GDB/MI Data manipulation 320
- The -data-read-memory command 325
- -display-enable number 328
- -display-insert expression 328
- -display-list 328
- -environment-cd pathdir 328
- 21.7 GDB/MI program control 330
- -exec-abort 331
- -exec-arguments args 331
- -exec-continue 331
- -exec-return 334
- -exec-run 334
- -exec-show-arguments 335
- -exec-step 335
- -exec-step-instruction 336
- -exec-until [ location ] 336
- 338 The GDB/MI Interface 338
- 340 The GDB/MI Interface 340
- -symbol-info-address symbol 346
- -symbol-info-file 346
- -symbol-info-function 346
- -symbol-info-line 347
- -symbol-info-symbol addr 347
- -symbol-list-functions 347
- -symbol-list-types 347
- -symbol-list-variables 348
- -symbol-locate 348
- -symbol-type variable 348
- -target-attach pid 349
- -target-detach 349
- The -target-download command 350
- -target-list-current-targets 352
- -target-list-parameters 352
- 21.12 GDB/MI thread commands 353
- 354 The GDB/MI Interface 354
- 21.14 GDB/MI variable objects 355
- The -var-create command 356
- 358 The GDB/MI Interface 358
- The -var-assign command 359
- The -var-update command 359
- 22 Reporting Bugs in GDB 361
- 362 Reporting Bugs in GDB 362
- 22.2 How to report bugs 363 363
- A Installing GDB 365
- 366 Installing GDB 366
- A.3 configure options 368
- A.3 configure options 369 369
Verwandte Produkte und Handbücher für Software HP gnu source-level debugger 5992-4701
Software HP Vectra VE5 2 Betriebsanweisung
(102 Seiten)
(102 Seiten)
Software HP Photo Pro Betriebsanweisung
(16 Seiten)
(16 Seiten)
Software HP 5300 Technical Information
(442 Seiten)
(442 Seiten)
Software Hp 9000 Servers Bedienungsanleitung
(5 Seiten)
(5 Seiten)
(83 Seiten)Whirlpool R 24 S (EU) podręczniki
Instrukcje obsługi i podręczniki użytkownika dla Lodówki Whirlpool R 24 S (EU).
Dostarczamy 1 pdf podręczników Whirlpool R 24 S (EU) do pobrania za darmo według typów dokumentów: Instrukcja Obsługi
Kommentare zu diesen Handbüchern