mirror of
https://github.com/darlinghq/darling-gdb.git
synced 2024-12-05 02:47:05 +00:00
197e01b6dc
* arm-tdep.c: * ia64-tdep.c: * i386-tdep.c: * hpread.c: * hppa-tdep.c: * hppa-hpux-tdep.c: * gnu-nat.c: * gdbtypes.c: * gdbarch.h: * gdbarch.c: * eval.c: * dwarf2read.c: * dbxread.c: * copying: * symfile.c: * stabsread.c: * sh64-tdep.c: * sh-tdep.c: * s390-tdep.c: * rs6000-tdep.c: * remote.c: * remote-mips.c: * mips-tdep.c: * mdebugread.c: * linux-nat.c: * infrun.c: * xcoffread.c: * win32-nat.c: * valops.c: * utils.c: * tracepoint.c: * target.c: * symtab.c: * c-exp.y: * ada-valprint.c: * ada-typeprint.c: * ada-lex.l: * ada-lang.h: * ada-lang.c: * ada-exp.y: * alphafbsd-tdep.c: * alphabsd-tdep.h: * alphabsd-tdep.c: * alphabsd-nat.c: * alpha-tdep.h: * alpha-tdep.c: * alpha-osf1-tdep.c: * alpha-nat.c: * alpha-mdebug-tdep.c: * alpha-linux-tdep.c: * alpha-linux-nat.c: * aix-thread.c: * abug-rom.c: * arch-utils.c: * annotate.h: * annotate.c: * amd64obsd-tdep.c: * amd64obsd-nat.c: * amd64nbsd-tdep.c: * amd64nbsd-nat.c: * amd64fbsd-tdep.c: * amd64fbsd-nat.c: * amd64bsd-nat.c: * amd64-tdep.h: * amd64-tdep.c: * amd64-sol2-tdep.c: * amd64-nat.h: * amd64-nat.c: * amd64-linux-tdep.c: * amd64-linux-nat.c: * alphanbsd-tdep.c: * block.h: * block.c: * bfd-target.h: * bfd-target.c: * bcache.h: * bcache.c: * ax.h: * ax-general.c: * ax-gdb.h: * ax-gdb.c: * avr-tdep.c: * auxv.h: * auxv.c: * armnbsd-tdep.c: * armnbsd-nat.c: * arm-tdep.h: * arm-linux-nat.c: * arch-utils.h: * charset.c: * call-cmds.h: * c-valprint.c: * c-typeprint.c: * c-lang.h: * c-lang.c: * buildsym.h: * buildsym.c: * bsd-uthread.h: * bsd-uthread.c: * bsd-kvm.h: * bsd-kvm.c: * breakpoint.h: * core-regset.c: * core-aout.c: * completer.h: * completer.c: * complaints.h: * complaints.c: * command.h: * coffread.c: * coff-solib.h: * coff-solib.c: * coff-pe-read.h: * coff-pe-read.c: * cli-out.h: * cli-out.c: * charset.h: * dink32-rom.c: * dictionary.h: * dictionary.c: * demangle.c: * defs.h: * dcache.h: * dcache.c: * d10v-tdep.c: * cpu32bug-rom.c: * cp-valprint.c: * cp-support.h: * cp-support.c: * cp-namespace.c: * cp-abi.h: * cp-abi.c: * corelow.c: * corefile.c: * environ.c: * elfread.c: * dwarfread.c: * dwarf2loc.c: * dwarf2expr.h: * dwarf2expr.c: * dwarf2-frame.h: * dwarf2-frame.c: * dve3900-rom.c: * dummy-frame.h: * dummy-frame.c: * dsrec.c: * doublest.h: * doublest.c: * disasm.h: * disasm.c: * fork-child.c: * findvar.c: * fbsd-nat.h: * fbsd-nat.c: * f-valprint.c: * f-typeprint.c: * f-lang.h: * f-lang.c: * expression.h: * expprint.c: * exec.h: * exec.c: * exceptions.h: * exceptions.c: * event-top.h: * event-top.c: * event-loop.h: * event-loop.c: * gdb.c: * gdb-stabs.h: * gdb-events.h: * gdb-events.c: * gcore.c: * frv-tdep.h: * frv-tdep.c: * frv-linux-tdep.c: * frame.h: * frame.c: * frame-unwind.h: * frame-unwind.c: * frame-base.h: * frame-base.c: * gdb_vfork.h: * gdb_thread_db.h: * gdb_string.h: * gdb_stat.h: * gdb_regex.h: * gdb_ptrace.h: * gdb_proc_service.h: * gdb_obstack.h: * gdb_locale.h: * gdb_dirent.h: * gdb_curses.h: * gdb_assert.h: * gdbarch.sh: * gdb.h: * hpux-thread.c: * hppabsd-nat.c: * hppa-tdep.h: * hpacc-abi.c: * h8300-tdep.c: * gregset.h: * go32-nat.c: * gnu-v3-abi.c: * gnu-v2-abi.h: * gnu-v2-abi.c: * gnu-nat.h: * glibc-tdep.c: * gdbtypes.h: * gdbcore.h: * gdbcmd.h: * i386nbsd-tdep.c: * i386nbsd-nat.c: * i386gnu-tdep.c: * i386gnu-nat.c: * i386fbsd-tdep.c: * i386fbsd-nat.c: * i386bsd-tdep.c: * i386bsd-nat.h: * i386bsd-nat.c: * i386-tdep.h: * i386-sol2-nat.c: * i386-nto-tdep.c: * i386-nat.c: * i386-linux-tdep.h: * i386-linux-tdep.c: * i386-linux-nat.c: * i386-cygwin-tdep.c: * inf-ttrace.c: * inf-ptrace.h: * inf-ptrace.c: * inf-loop.h: * inf-loop.c: * inf-child.h: * inf-child.c: * ia64-tdep.h: * ia64-linux-nat.c: * i387-tdep.h: * i387-tdep.c: * i386v4-nat.c: * i386v-nat.c: * i386obsd-tdep.c: * i386obsd-nat.c: * kod.c: * jv-valprint.c: * jv-typeprint.c: * jv-lang.h: * jv-lang.c: * irix5-nat.c: * iq2000-tdep.c: * interps.h: * interps.c: * inftarg.c: * inflow.h: * inflow.c: * inferior.h: * infcmd.c: * infcall.h: * infcall.c: * inf-ttrace.h: * m32r-tdep.h: * m32r-tdep.c: * m32r-rom.c: * m32r-linux-tdep.c: * m32r-linux-nat.c: * m2-valprint.c: * m2-typeprint.c: * m2-lang.h: * m2-lang.c: * lynx-nat.c: * linux-thread-db.c: * linux-nat.h: * linespec.c: * libunwind-frame.h: * libunwind-frame.c: * language.h: * language.c: * macroexp.c: * macrocmd.c: * m88kbsd-nat.c: * m88k-tdep.h: * m88k-tdep.c: * m68klinux-tdep.c: * m68klinux-nat.c: * m68kbsd-tdep.c: * m68kbsd-nat.c: * m68k-tdep.h: * m68k-tdep.c: * mips-linux-nat.c: * mips-irix-tdep.c: * minsyms.c: * memattr.h: * memattr.c: * mem-break.c: * mdebugread.h: * main.h: * main.c: * macrotab.h: * macrotab.c: * macroscope.h: * macroscope.c: * macroexp.h: * nbsd-tdep.c: * mt-tdep.c: * monitor.h: * monitor.c: * mn10300-tdep.h: * mn10300-tdep.c: * mn10300-linux-tdep.c: * mipsv4-nat.c: * mipsread.c: * mipsnbsd-tdep.h: * mipsnbsd-tdep.c: * mipsnbsd-nat.c: * mips64obsd-tdep.c: * mips64obsd-nat.c: * mips-tdep.h: * mips-mdebug-tdep.c: * mips-linux-tdep.c: * osabi.h: * osabi.c: * ocd.h: * ocd.c: * observer.c: * objfiles.h: * objfiles.c: * objc-lang.h: * objc-lang.c: * objc-exp.y: * nto-tdep.h: * nto-tdep.c: * nto-procfs.c: * nlmread.c: * nbsd-tdep.h: * ppcobsd-tdep.c: * ppcobsd-nat.c: * ppcnbsd-tdep.h: * ppcnbsd-tdep.c: * ppcnbsd-nat.c: * ppcbug-rom.c: * ppc-tdep.h: * ppc-sysv-tdep.c: * ppc-linux-tdep.c: * ppc-linux-nat.c: * ppc-bdm.c: * parser-defs.h: * parse.c: * p-valprint.c: * p-typeprint.c: * p-lang.h: * p-lang.c: * remote-fileio.h: * remote-fileio.c: * remote-est.c: * remote-e7000.c: * regset.h: * regset.c: * reggroups.h: * reggroups.c: * regcache.h: * regcache.c: * proc-why.c: * proc-service.c: * proc-events.c: * printcmd.c: * ppcobsd-tdep.h: * sentinel-frame.h: * sentinel-frame.c: * scm-valprint.c: * scm-tags.h: * scm-lang.h: * scm-lang.c: * scm-exp.c: * s390-tdep.h: * rom68k-rom.c: * remote.h: * remote-utils.c: * remote-st.c: * remote-sim.c: * remote-sds.c: * remote-rdp.c: * remote-rdi.c: * remote-hms.c: * sim-regno.h: * shnbsd-tdep.h: * shnbsd-tdep.c: * shnbsd-nat.c: * sh-tdep.h: * serial.h: * serial.c: * ser-unix.h: * ser-unix.c: * ser-tcp.c: * ser-pipe.c: * ser-go32.c: * ser-e7kpc.c: * ser-base.h: * ser-base.c: * solib.c: * solib-svr4.h: * solib-svr4.c: * solib-sunos.c: * solib-som.h: * solib-som.c: * solib-pa64.h: * solib-pa64.c: * solib-osf.c: * solib-null.c: * solib-legacy.c: * solib-irix.c: * solib-frv.c: * solib-aix5.c: * sol-thread.c: * sparc64-linux-tdep.c: * sparc64-linux-nat.c: * sparc-tdep.h: * sparc-tdep.c: * sparc-sol2-tdep.c: * sparc-sol2-nat.c: * sparc-nat.h: * sparc-nat.c: * sparc-linux-tdep.c: * sparc-linux-nat.c: * source.h: * source.c: * somread.c: * solist.h: * solib.h: * std-regs.c: * stack.h: * stack.c: * stabsread.h: * sparcobsd-tdep.c: * sparcnbsd-tdep.c: * sparcnbsd-nat.c: * sparc64obsd-tdep.c: * sparc64nbsd-tdep.c: * sparc64nbsd-nat.c: * sparc64fbsd-tdep.c: * sparc64fbsd-nat.c: * sparc64-tdep.h: * sparc64-tdep.c: * sparc64-sol2-tdep.c: * sparc64-nat.c: * ui-file.c: * typeprint.h: * typeprint.c: * tramp-frame.h: * tramp-frame.c: * trad-frame.h: * trad-frame.c: * tracepoint.h: * top.c: * tobs.inc: * thread.c: * terminal.h: * target.h: * symfile.h: * stop-gdb.c: * vaxbsd-nat.c: * vax-tdep.h: * vax-tdep.c: * vax-nat.c: * varobj.h: * varobj.c: * value.h: * value.c: * valprint.h: * valprint.c: * v850-tdep.c: * uw-thread.c: * user-regs.c: * ui-out.h: * ui-out.c: * ui-file.h: * xcoffsolib.h: * xcoffsolib.c: * wrapper.c: * wince.c: * wince-stub.h: * wince-stub.c: * vaxobsd-tdep.c: * vaxnbsd-tdep.c: * gdb_gcore.sh: * copying.c: * configure.ac: * aclocal.m4: * acinclude.m4: * reply_mig_hack.awk: * observer.sh: * gdb_mbuild.sh: * arm-linux-tdep.c: * blockframe.c: * dbug-rom.c: * environ.h: * dwarf2loc.h: * gdb-events.sh: * glibc-tdep.h: * gdb_wait.h: * gdbthread.h: * i386-sol2-tdep.c: * hppabsd-tdep.c: * hppa-linux-nat.c: * hppa-hpux-nat.c: * ia64-linux-tdep.c: * infptrace.c: * linespec.h: * maint.c: * mips-mdebug-tdep.h: * remote-m32r-sdi.c: * s390-nat.c: * rs6000-nat.c: * remote-utils.h: * sh3-rom.c: * sh-linux-tdep.c: * top.h: * symtab.h: * symmisc.c: * symfile-mem.c: * srec.h: * user-regs.h: * version.h: * valarith.c: * xstormy16-tdep.c: * wrapper.h: * Makefile.in: * f-exp.y: * cris-tdep.c: * cp-name-parser.y: * procfs.c: * proc-utils.h: * proc-flags.c: * proc-api.c: * p-exp.y: * m68hc11-tdep.c: * m2-exp.y: * kod.h: * kod-cisco.c: * jv-exp.y: * hppa-linux-tdep.c: Add (c) after Copyright. Update the FSF address.
382 lines
8.1 KiB
Groff
382 lines
8.1 KiB
Groff
.\" Copyright (C) 1991, 1999 Free Software Foundation, Inc.
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.\" See section COPYING for conditions for redistribution
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.\" $Id$
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.TH gdb 1 "22may2002" "GNU Tools" "GNU Tools"
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.SH NAME
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gdb \- The GNU Debugger
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.SH SYNOPSIS
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.na
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.TP
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.B gdb
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.RB "[\|" \-help "\|]"
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.RB "[\|" \-nx "\|]"
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.RB "[\|" \-q "\|]"
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.RB "[\|" \-batch "\|]"
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.RB "[\|" \-cd=\c
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.I dir\c
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\|]
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.RB "[\|" \-f "\|]"
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.RB "[\|" "\-b\ "\c
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.IR bps "\|]"
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.RB "[\|" "\-tty="\c
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.IR dev "\|]"
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.RB "[\|" "\-s "\c
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.I symfile\c
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\&\|]
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.RB "[\|" "\-e "\c
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.I prog\c
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\&\|]
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.RB "[\|" "\-se "\c
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.I prog\c
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\&\|]
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.RB "[\|" "\-c "\c
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.I core\c
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\&\|]
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.RB "[\|" "\-x "\c
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.I cmds\c
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\&\|]
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.RB "[\|" "\-d "\c
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.I dir\c
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\&\|]
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.RB "[\|" \c
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.I prog\c
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.RB "[\|" \c
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.IR core \||\| procID\c
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\&\|]\&\|]
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.ad b
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.SH DESCRIPTION
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The purpose of a debugger such as GDB is to allow you to see what is
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going on ``inside'' another program while it executes\(em\&or what another
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program was doing at the moment it crashed.
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GDB can do four main kinds of things (plus other things in support of
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these) to help you catch bugs in the act:
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.TP
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\ \ \ \(bu
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Start your program, specifying anything that might affect its behavior.
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.TP
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\ \ \ \(bu
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Make your program stop on specified conditions.
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.TP
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\ \ \ \(bu
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Examine what has happened, when your program has stopped.
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.TP
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\ \ \ \(bu
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Change things in your program, so you can experiment with correcting the
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effects of one bug and go on to learn about another.
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.PP
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You can use GDB to debug programs written in C, C++, and Modula-2.
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Fortran support will be added when a GNU Fortran compiler is ready.
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GDB is invoked with the shell command \c
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.B gdb\c
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\&. Once started, it reads
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commands from the terminal until you tell it to exit with the GDB
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command \c
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.B quit\c
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\&. You can get online help from \c
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.B gdb\c
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\& itself
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by using the command \c
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.B help\c
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\&.
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You can run \c
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.B gdb\c
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\& with no arguments or options; but the most
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usual way to start GDB is with one argument or two, specifying an
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executable program as the argument:
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.sp
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.br
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gdb\ program
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.br
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.sp
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You can also start with both an executable program and a core file specified:
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.sp
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.br
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gdb\ program\ core
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.br
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.sp
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You can, instead, specify a process ID as a second argument, if you want
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to debug a running process:
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.sp
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.br
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gdb\ program\ 1234
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.br
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.sp
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would attach GDB to process \c
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.B 1234\c
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\& (unless you also have a file
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named `\|\c
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.B 1234\c
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\&\|'; GDB does check for a core file first).
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Here are some of the most frequently needed GDB commands:
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.TP
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.B break \fR[\|\fIfile\fB:\fR\|]\fIfunction
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\&
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Set a breakpoint at \c
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.I function\c
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\& (in \c
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.I file\c
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\&).
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.TP
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.B run \fR[\|\fIarglist\fR\|]
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Start your program (with \c
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.I arglist\c
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\&, if specified).
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.TP
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.B bt
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Backtrace: display the program stack.
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.TP
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.BI print " expr"\c
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\&
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Display the value of an expression.
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.TP
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.B c
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Continue running your program (after stopping, e.g. at a breakpoint).
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.TP
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.B next
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Execute next program line (after stopping); step \c
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.I over\c
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\& any
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function calls in the line.
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.TP
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.B edit \fR[\|\fIfile\fB:\fR\|]\fIfunction
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look at the program line where it is presently stopped.
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.TP
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.B list \fR[\|\fIfile\fB:\fR\|]\fIfunction
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type the text of the program in the vicinity of where it is presently stopped.
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.TP
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.B step
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Execute next program line (after stopping); step \c
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.I into\c
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\& any
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function calls in the line.
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.TP
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.B help \fR[\|\fIname\fR\|]
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Show information about GDB command \c
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.I name\c
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\&, or general information
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about using GDB.
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.TP
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.B quit
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Exit from GDB.
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.PP
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For full details on GDB, see \c
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.I
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Using GDB: A Guide to the GNU Source-Level Debugger\c
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\&, by Richard M. Stallman and Roland H. Pesch. The same text is available online
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as the \c
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.B gdb\c
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\& entry in the \c
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.B info\c
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\& program.
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.SH OPTIONS
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Any arguments other than options specify an executable
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file and core file (or process ID); that is, the first argument
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encountered with no
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associated option flag is equivalent to a `\|\c
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.B \-se\c
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\&\|' option, and the
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second, if any, is equivalent to a `\|\c
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.B \-c\c
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\&\|' option if it's the name of a file. Many options have
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both long and short forms; both are shown here. The long forms are also
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recognized if you truncate them, so long as enough of the option is
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present to be unambiguous. (If you prefer, you can flag option
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arguments with `\|\c
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.B +\c
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\&\|' rather than `\|\c
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.B \-\c
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\&\|', though we illustrate the
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more usual convention.)
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All the options and command line arguments you give are processed
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in sequential order. The order makes a difference when the
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`\|\c
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.B \-x\c
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\&\|' option is used.
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.TP
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.B \-help
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.TP
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.B \-h
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List all options, with brief explanations.
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.TP
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.BI "\-symbols=" "file"\c
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.TP
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.BI "\-s " "file"\c
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\&
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Read symbol table from file \c
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.I file\c
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\&.
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.TP
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.B \-write
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Enable writing into executable and core files.
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.TP
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.BI "\-exec=" "file"\c
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.TP
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.BI "\-e " "file"\c
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\&
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Use file \c
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.I file\c
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\& as the executable file to execute when
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appropriate, and for examining pure data in conjunction with a core
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dump.
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.TP
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.BI "\-se=" "file"\c
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\&
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Read symbol table from file \c
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.I file\c
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\& and use it as the executable
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file.
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.TP
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.BI "\-core=" "file"\c
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.TP
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.BI "\-c " "file"\c
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\&
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Use file \c
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.I file\c
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\& as a core dump to examine.
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.TP
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.BI "\-command=" "file"\c
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.TP
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.BI "\-x " "file"\c
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\&
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Execute GDB commands from file \c
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.I file\c
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\&.
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|
.TP
|
|
.BI "\-directory=" "directory"\c
|
|
.TP
|
|
.BI "\-d " "directory"\c
|
|
\&
|
|
Add \c
|
|
.I directory\c
|
|
\& to the path to search for source files.
|
|
.PP
|
|
|
|
.TP
|
|
.B \-nx
|
|
.TP
|
|
.B \-n
|
|
Do not execute commands from any `\|\c
|
|
.B .gdbinit\c
|
|
\&\|' initialization files.
|
|
Normally, the commands in these files are executed after all the
|
|
command options and arguments have been processed.
|
|
|
|
|
|
.TP
|
|
.B \-quiet
|
|
.TP
|
|
.B \-q
|
|
``Quiet''. Do not print the introductory and copyright messages. These
|
|
messages are also suppressed in batch mode.
|
|
|
|
.TP
|
|
.B \-batch
|
|
Run in batch mode. Exit with status \c
|
|
.B 0\c
|
|
\& after processing all the command
|
|
files specified with `\|\c
|
|
.B \-x\c
|
|
\&\|' (and `\|\c
|
|
.B .gdbinit\c
|
|
\&\|', if not inhibited).
|
|
Exit with nonzero status if an error occurs in executing the GDB
|
|
commands in the command files.
|
|
|
|
Batch mode may be useful for running GDB as a filter, for example to
|
|
download and run a program on another computer; in order to make this
|
|
more useful, the message
|
|
.sp
|
|
.br
|
|
Program\ exited\ normally.
|
|
.br
|
|
.sp
|
|
|
|
(which is ordinarily issued whenever a program running under GDB control
|
|
terminates) is not issued when running in batch mode.
|
|
|
|
.TP
|
|
.BI "\-cd=" "directory"\c
|
|
\&
|
|
Run GDB using \c
|
|
.I directory\c
|
|
\& as its working directory,
|
|
instead of the current directory.
|
|
|
|
.TP
|
|
.B \-fullname
|
|
.TP
|
|
.B \-f
|
|
Emacs sets this option when it runs GDB as a subprocess. It tells GDB
|
|
to output the full file name and line number in a standard,
|
|
recognizable fashion each time a stack frame is displayed (which
|
|
includes each time the program stops). This recognizable format looks
|
|
like two `\|\c
|
|
.B \032\c
|
|
\&\|' characters, followed by the file name, line number
|
|
and character position separated by colons, and a newline. The
|
|
Emacs-to-GDB interface program uses the two `\|\c
|
|
.B \032\c
|
|
\&\|' characters as
|
|
a signal to display the source code for the frame.
|
|
|
|
.TP
|
|
.BI "\-b " "bps"\c
|
|
\&
|
|
Set the line speed (baud rate or bits per second) of any serial
|
|
interface used by GDB for remote debugging.
|
|
|
|
.TP
|
|
.BI "\-tty=" "device"\c
|
|
\&
|
|
Run using \c
|
|
.I device\c
|
|
\& for your program's standard input and output.
|
|
.PP
|
|
|
|
.SH "SEE ALSO"
|
|
.RB "`\|" gdb "\|'"
|
|
entry in
|
|
.B info\c
|
|
\&;
|
|
.I
|
|
Using GDB: A Guide to the GNU Source-Level Debugger\c
|
|
, Richard M. Stallman and Roland H. Pesch, July 1991.
|
|
.SH COPYING
|
|
Copyright (c) 1991 Free Software Foundation, Inc.
|
|
.PP
|
|
Permission is granted to make and distribute verbatim copies of
|
|
this manual provided the copyright notice and this permission notice
|
|
are preserved on all copies.
|
|
.PP
|
|
Permission is granted to copy and distribute modified versions of this
|
|
manual under the conditions for verbatim copying, provided that the
|
|
entire resulting derived work is distributed under the terms of a
|
|
permission notice identical to this one.
|
|
.PP
|
|
Permission is granted to copy and distribute translations of this
|
|
manual into another language, under the above conditions for modified
|
|
versions, except that this permission notice may be included in
|
|
translations approved by the Free Software Foundation instead of in
|
|
the original English.
|