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https://sourceware.org/git/binutils-gdb.git
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0e9f083f4c
This removes gdb_string.h. This patch is purely mechanical. I created it by running the two commands: git rm common/gdb_string.h perl -pi -e's/"gdb_string.h"/<string.h>/;' *.[chyl] */*.[chyl] 2013-11-18 Tom Tromey <tromey@redhat.com> * common/gdb_string.h: Remove. * aarch64-tdep.c: Use string.h, not gdb_string.h. * ada-exp.y: Use string.h, not gdb_string.h. * ada-lang.c: Use string.h, not gdb_string.h. * ada-lex.l: Use string.h, not gdb_string.h. * ada-typeprint.c: Use string.h, not gdb_string.h. * ada-valprint.c: Use string.h, not gdb_string.h. * aix-thread.c: Use string.h, not gdb_string.h. * alpha-linux-tdep.c: Use string.h, not gdb_string.h. * alpha-mdebug-tdep.c: Use string.h, not gdb_string.h. * alpha-nat.c: Use string.h, not gdb_string.h. * alpha-osf1-tdep.c: Use string.h, not gdb_string.h. * alpha-tdep.c: Use string.h, not gdb_string.h. * alphanbsd-tdep.c: Use string.h, not gdb_string.h. * amd64-dicos-tdep.c: Use string.h, not gdb_string.h. * amd64-linux-nat.c: Use string.h, not gdb_string.h. * amd64-linux-tdep.c: Use string.h, not gdb_string.h. * amd64-nat.c: Use string.h, not gdb_string.h. * amd64-sol2-tdep.c: Use string.h, not gdb_string.h. * amd64fbsd-tdep.c: Use string.h, not gdb_string.h. * amd64obsd-tdep.c: Use string.h, not gdb_string.h. * arch-utils.c: Use string.h, not gdb_string.h. * arm-linux-nat.c: Use string.h, not gdb_string.h. * arm-linux-tdep.c: Use string.h, not gdb_string.h. * arm-tdep.c: Use string.h, not gdb_string.h. * arm-wince-tdep.c: Use string.h, not gdb_string.h. * armbsd-tdep.c: Use string.h, not gdb_string.h. * armnbsd-nat.c: Use string.h, not gdb_string.h. * armnbsd-tdep.c: Use string.h, not gdb_string.h. * armobsd-tdep.c: Use string.h, not gdb_string.h. * avr-tdep.c: Use string.h, not gdb_string.h. * ax-gdb.c: Use string.h, not gdb_string.h. * ax-general.c: Use string.h, not gdb_string.h. * bcache.c: Use string.h, not gdb_string.h. * bfin-tdep.c: Use string.h, not gdb_string.h. * breakpoint.c: Use string.h, not gdb_string.h. * build-id.c: Use string.h, not gdb_string.h. * buildsym.c: Use string.h, not gdb_string.h. * c-exp.y: Use string.h, not gdb_string.h. * c-lang.c: Use string.h, not gdb_string.h. * c-typeprint.c: Use string.h, not gdb_string.h. * c-valprint.c: Use string.h, not gdb_string.h. * charset.c: Use string.h, not gdb_string.h. * cli-out.c: Use string.h, not gdb_string.h. * cli/cli-cmds.c: Use string.h, not gdb_string.h. * cli/cli-decode.c: Use string.h, not gdb_string.h. * cli/cli-dump.c: Use string.h, not gdb_string.h. * cli/cli-interp.c: Use string.h, not gdb_string.h. * cli/cli-logging.c: Use string.h, not gdb_string.h. * cli/cli-script.c: Use string.h, not gdb_string.h. * cli/cli-setshow.c: Use string.h, not gdb_string.h. * cli/cli-utils.c: Use string.h, not gdb_string.h. * coffread.c: Use string.h, not gdb_string.h. * common/common-utils.c: Use string.h, not gdb_string.h. * common/filestuff.c: Use string.h, not gdb_string.h. * common/linux-procfs.c: Use string.h, not gdb_string.h. * common/linux-ptrace.c: Use string.h, not gdb_string.h. * common/signals.c: Use string.h, not gdb_string.h. * common/vec.h: Use string.h, not gdb_string.h. * core-regset.c: Use string.h, not gdb_string.h. * corefile.c: Use string.h, not gdb_string.h. * corelow.c: Use string.h, not gdb_string.h. * cp-abi.c: Use string.h, not gdb_string.h. * cp-support.c: Use string.h, not gdb_string.h. * cp-valprint.c: Use string.h, not gdb_string.h. * cris-tdep.c: Use string.h, not gdb_string.h. * d-lang.c: Use string.h, not gdb_string.h. * dbxread.c: Use string.h, not gdb_string.h. * dcache.c: Use string.h, not gdb_string.h. * demangle.c: Use string.h, not gdb_string.h. * dicos-tdep.c: Use string.h, not gdb_string.h. * disasm.c: Use string.h, not gdb_string.h. * doublest.c: Use string.h, not gdb_string.h. * dsrec.c: Use string.h, not gdb_string.h. * dummy-frame.c: Use string.h, not gdb_string.h. * dwarf2-frame.c: Use string.h, not gdb_string.h. * dwarf2loc.c: Use string.h, not gdb_string.h. * dwarf2read.c: Use string.h, not gdb_string.h. * elfread.c: Use string.h, not gdb_string.h. * environ.c: Use string.h, not gdb_string.h. * eval.c: Use string.h, not gdb_string.h. * event-loop.c: Use string.h, not gdb_string.h. * exceptions.c: Use string.h, not gdb_string.h. * exec.c: Use string.h, not gdb_string.h. * expprint.c: Use string.h, not gdb_string.h. * f-exp.y: Use string.h, not gdb_string.h. * f-lang.c: Use string.h, not gdb_string.h. * f-typeprint.c: Use string.h, not gdb_string.h. * f-valprint.c: Use string.h, not gdb_string.h. * fbsd-nat.c: Use string.h, not gdb_string.h. * findcmd.c: Use string.h, not gdb_string.h. * findvar.c: Use string.h, not gdb_string.h. * fork-child.c: Use string.h, not gdb_string.h. * frame.c: Use string.h, not gdb_string.h. * frv-linux-tdep.c: Use string.h, not gdb_string.h. * frv-tdep.c: Use string.h, not gdb_string.h. * gdb.c: Use string.h, not gdb_string.h. * gdb_bfd.c: Use string.h, not gdb_string.h. * gdbarch.c: Use string.h, not gdb_string.h. * gdbtypes.c: Use string.h, not gdb_string.h. * gnu-nat.c: Use string.h, not gdb_string.h. * gnu-v2-abi.c: Use string.h, not gdb_string.h. * gnu-v3-abi.c: Use string.h, not gdb_string.h. * go-exp.y: Use string.h, not gdb_string.h. * go-lang.c: Use string.h, not gdb_string.h. * go32-nat.c: Use string.h, not gdb_string.h. * hppa-hpux-tdep.c: Use string.h, not gdb_string.h. * hppa-linux-nat.c: Use string.h, not gdb_string.h. * hppanbsd-tdep.c: Use string.h, not gdb_string.h. * hppaobsd-tdep.c: Use string.h, not gdb_string.h. * i386-cygwin-tdep.c: Use string.h, not gdb_string.h. * i386-dicos-tdep.c: Use string.h, not gdb_string.h. * i386-linux-nat.c: Use string.h, not gdb_string.h. * i386-linux-tdep.c: Use string.h, not gdb_string.h. * i386-nto-tdep.c: Use string.h, not gdb_string.h. * i386-sol2-tdep.c: Use string.h, not gdb_string.h. * i386-tdep.c: Use string.h, not gdb_string.h. * i386bsd-tdep.c: Use string.h, not gdb_string.h. * i386gnu-nat.c: Use string.h, not gdb_string.h. * i386nbsd-tdep.c: Use string.h, not gdb_string.h. * i386obsd-tdep.c: Use string.h, not gdb_string.h. * i387-tdep.c: Use string.h, not gdb_string.h. * ia64-libunwind-tdep.c: Use string.h, not gdb_string.h. * ia64-linux-nat.c: Use string.h, not gdb_string.h. * inf-child.c: Use string.h, not gdb_string.h. * inf-ptrace.c: Use string.h, not gdb_string.h. * inf-ttrace.c: Use string.h, not gdb_string.h. * infcall.c: Use string.h, not gdb_string.h. * infcmd.c: Use string.h, not gdb_string.h. * inflow.c: Use string.h, not gdb_string.h. * infrun.c: Use string.h, not gdb_string.h. * interps.c: Use string.h, not gdb_string.h. * iq2000-tdep.c: Use string.h, not gdb_string.h. * irix5-nat.c: Use string.h, not gdb_string.h. * jv-exp.y: Use string.h, not gdb_string.h. * jv-lang.c: Use string.h, not gdb_string.h. * jv-typeprint.c: Use string.h, not gdb_string.h. * jv-valprint.c: Use string.h, not gdb_string.h. * language.c: Use string.h, not gdb_string.h. * linux-fork.c: Use string.h, not gdb_string.h. * linux-nat.c: Use string.h, not gdb_string.h. * lm32-tdep.c: Use string.h, not gdb_string.h. * m2-exp.y: Use string.h, not gdb_string.h. * m2-typeprint.c: Use string.h, not gdb_string.h. * m32c-tdep.c: Use string.h, not gdb_string.h. * m32r-linux-nat.c: Use string.h, not gdb_string.h. * m32r-linux-tdep.c: Use string.h, not gdb_string.h. * m32r-rom.c: Use string.h, not gdb_string.h. * m32r-tdep.c: Use string.h, not gdb_string.h. * m68hc11-tdep.c: Use string.h, not gdb_string.h. * m68k-tdep.c: Use string.h, not gdb_string.h. * m68kbsd-tdep.c: Use string.h, not gdb_string.h. * m68klinux-nat.c: Use string.h, not gdb_string.h. * m68klinux-tdep.c: Use string.h, not gdb_string.h. * m88k-tdep.c: Use string.h, not gdb_string.h. * macrocmd.c: Use string.h, not gdb_string.h. * main.c: Use string.h, not gdb_string.h. * mdebugread.c: Use string.h, not gdb_string.h. * mem-break.c: Use string.h, not gdb_string.h. * memattr.c: Use string.h, not gdb_string.h. * memory-map.c: Use string.h, not gdb_string.h. * mep-tdep.c: Use string.h, not gdb_string.h. * mi/mi-cmd-break.c: Use string.h, not gdb_string.h. * mi/mi-cmd-disas.c: Use string.h, not gdb_string.h. * mi/mi-cmd-env.c: Use string.h, not gdb_string.h. * mi/mi-cmd-stack.c: Use string.h, not gdb_string.h. * mi/mi-cmd-var.c: Use string.h, not gdb_string.h. * mi/mi-cmds.c: Use string.h, not gdb_string.h. * mi/mi-console.c: Use string.h, not gdb_string.h. * mi/mi-getopt.c: Use string.h, not gdb_string.h. * mi/mi-interp.c: Use string.h, not gdb_string.h. * mi/mi-main.c: Use string.h, not gdb_string.h. * mi/mi-parse.c: Use string.h, not gdb_string.h. * microblaze-rom.c: Use string.h, not gdb_string.h. * microblaze-tdep.c: Use string.h, not gdb_string.h. * mingw-hdep.c: Use string.h, not gdb_string.h. * minidebug.c: Use string.h, not gdb_string.h. * minsyms.c: Use string.h, not gdb_string.h. * mips-irix-tdep.c: Use string.h, not gdb_string.h. * mips-linux-tdep.c: Use string.h, not gdb_string.h. * mips-tdep.c: Use string.h, not gdb_string.h. * mips64obsd-tdep.c: Use string.h, not gdb_string.h. * mipsnbsd-tdep.c: Use string.h, not gdb_string.h. * mipsread.c: Use string.h, not gdb_string.h. * mn10300-linux-tdep.c: Use string.h, not gdb_string.h. * mn10300-tdep.c: Use string.h, not gdb_string.h. * monitor.c: Use string.h, not gdb_string.h. * moxie-tdep.c: Use string.h, not gdb_string.h. * mt-tdep.c: Use string.h, not gdb_string.h. * nbsd-tdep.c: Use string.h, not gdb_string.h. * nios2-linux-tdep.c: Use string.h, not gdb_string.h. * nto-procfs.c: Use string.h, not gdb_string.h. * nto-tdep.c: Use string.h, not gdb_string.h. * objc-lang.c: Use string.h, not gdb_string.h. * objfiles.c: Use string.h, not gdb_string.h. * opencl-lang.c: Use string.h, not gdb_string.h. * osabi.c: Use string.h, not gdb_string.h. * osdata.c: Use string.h, not gdb_string.h. * p-exp.y: Use string.h, not gdb_string.h. * p-lang.c: Use string.h, not gdb_string.h. * p-typeprint.c: Use string.h, not gdb_string.h. * parse.c: Use string.h, not gdb_string.h. * posix-hdep.c: Use string.h, not gdb_string.h. * ppc-linux-nat.c: Use string.h, not gdb_string.h. * ppc-sysv-tdep.c: Use string.h, not gdb_string.h. * ppcfbsd-tdep.c: Use string.h, not gdb_string.h. * ppcnbsd-tdep.c: Use string.h, not gdb_string.h. * ppcobsd-tdep.c: Use string.h, not gdb_string.h. * printcmd.c: Use string.h, not gdb_string.h. * procfs.c: Use string.h, not gdb_string.h. * prologue-value.c: Use string.h, not gdb_string.h. * python/py-auto-load.c: Use string.h, not gdb_string.h. * python/py-gdb-readline.c: Use string.h, not gdb_string.h. * ravenscar-thread.c: Use string.h, not gdb_string.h. * regcache.c: Use string.h, not gdb_string.h. * registry.c: Use string.h, not gdb_string.h. * remote-fileio.c: Use string.h, not gdb_string.h. * remote-m32r-sdi.c: Use string.h, not gdb_string.h. * remote-mips.c: Use string.h, not gdb_string.h. * remote-sim.c: Use string.h, not gdb_string.h. * remote.c: Use string.h, not gdb_string.h. * reverse.c: Use string.h, not gdb_string.h. * rs6000-aix-tdep.c: Use string.h, not gdb_string.h. * ser-base.c: Use string.h, not gdb_string.h. * ser-go32.c: Use string.h, not gdb_string.h. * ser-mingw.c: Use string.h, not gdb_string.h. * ser-pipe.c: Use string.h, not gdb_string.h. * ser-tcp.c: Use string.h, not gdb_string.h. * ser-unix.c: Use string.h, not gdb_string.h. * serial.c: Use string.h, not gdb_string.h. * sh-tdep.c: Use string.h, not gdb_string.h. * sh64-tdep.c: Use string.h, not gdb_string.h. * shnbsd-tdep.c: Use string.h, not gdb_string.h. * skip.c: Use string.h, not gdb_string.h. * sol-thread.c: Use string.h, not gdb_string.h. * solib-dsbt.c: Use string.h, not gdb_string.h. * solib-frv.c: Use string.h, not gdb_string.h. * solib-osf.c: Use string.h, not gdb_string.h. * solib-spu.c: Use string.h, not gdb_string.h. * solib-target.c: Use string.h, not gdb_string.h. * solib.c: Use string.h, not gdb_string.h. * somread.c: Use string.h, not gdb_string.h. * source.c: Use string.h, not gdb_string.h. * sparc-nat.c: Use string.h, not gdb_string.h. * sparc-sol2-tdep.c: Use string.h, not gdb_string.h. * sparc-tdep.c: Use string.h, not gdb_string.h. * sparc64-tdep.c: Use string.h, not gdb_string.h. * sparc64fbsd-tdep.c: Use string.h, not gdb_string.h. * sparc64nbsd-tdep.c: Use string.h, not gdb_string.h. * sparcnbsd-tdep.c: Use string.h, not gdb_string.h. * spu-linux-nat.c: Use string.h, not gdb_string.h. * spu-multiarch.c: Use string.h, not gdb_string.h. * spu-tdep.c: Use string.h, not gdb_string.h. * stabsread.c: Use string.h, not gdb_string.h. * stack.c: Use string.h, not gdb_string.h. * std-regs.c: Use string.h, not gdb_string.h. * symfile.c: Use string.h, not gdb_string.h. * symmisc.c: Use string.h, not gdb_string.h. * symtab.c: Use string.h, not gdb_string.h. * target.c: Use string.h, not gdb_string.h. * thread.c: Use string.h, not gdb_string.h. * tilegx-linux-nat.c: Use string.h, not gdb_string.h. * tilegx-tdep.c: Use string.h, not gdb_string.h. * top.c: Use string.h, not gdb_string.h. * tracepoint.c: Use string.h, not gdb_string.h. * tui/tui-command.c: Use string.h, not gdb_string.h. * tui/tui-data.c: Use string.h, not gdb_string.h. * tui/tui-disasm.c: Use string.h, not gdb_string.h. * tui/tui-file.c: Use string.h, not gdb_string.h. * tui/tui-layout.c: Use string.h, not gdb_string.h. * tui/tui-out.c: Use string.h, not gdb_string.h. * tui/tui-regs.c: Use string.h, not gdb_string.h. * tui/tui-source.c: Use string.h, not gdb_string.h. * tui/tui-stack.c: Use string.h, not gdb_string.h. * tui/tui-win.c: Use string.h, not gdb_string.h. * tui/tui-windata.c: Use string.h, not gdb_string.h. * tui/tui-winsource.c: Use string.h, not gdb_string.h. * typeprint.c: Use string.h, not gdb_string.h. * ui-file.c: Use string.h, not gdb_string.h. * ui-out.c: Use string.h, not gdb_string.h. * user-regs.c: Use string.h, not gdb_string.h. * utils.c: Use string.h, not gdb_string.h. * v850-tdep.c: Use string.h, not gdb_string.h. * valarith.c: Use string.h, not gdb_string.h. * valops.c: Use string.h, not gdb_string.h. * valprint.c: Use string.h, not gdb_string.h. * value.c: Use string.h, not gdb_string.h. * varobj.c: Use string.h, not gdb_string.h. * vax-tdep.c: Use string.h, not gdb_string.h. * vaxnbsd-tdep.c: Use string.h, not gdb_string.h. * vaxobsd-tdep.c: Use string.h, not gdb_string.h. * windows-nat.c: Use string.h, not gdb_string.h. * xcoffread.c: Use string.h, not gdb_string.h. * xml-support.c: Use string.h, not gdb_string.h. * xstormy16-tdep.c: Use string.h, not gdb_string.h. * xtensa-linux-nat.c: Use string.h, not gdb_string.h.
850 lines
23 KiB
C
850 lines
23 KiB
C
/* Support for printing C++ values for GDB, the GNU debugger.
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Copyright (C) 1986-2013 Free Software Foundation, Inc.
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This file is part of GDB.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>. */
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#include "defs.h"
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#include "gdb_obstack.h"
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#include "symtab.h"
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#include "gdbtypes.h"
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#include "expression.h"
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#include "value.h"
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#include "command.h"
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#include "gdbcmd.h"
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#include "demangle.h"
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#include "annotate.h"
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#include <string.h>
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#include "c-lang.h"
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#include "target.h"
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#include "cp-abi.h"
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#include "valprint.h"
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#include "cp-support.h"
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#include "language.h"
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#include "python/python.h"
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#include "exceptions.h"
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#include "typeprint.h"
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/* Controls printing of vtbl's. */
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static void
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show_vtblprint (struct ui_file *file, int from_tty,
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struct cmd_list_element *c, const char *value)
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{
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fprintf_filtered (file, _("\
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Printing of C++ virtual function tables is %s.\n"),
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value);
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}
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/* Controls looking up an object's derived type using what we find in
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its vtables. */
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static void
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show_objectprint (struct ui_file *file, int from_tty,
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struct cmd_list_element *c,
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const char *value)
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{
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fprintf_filtered (file, _("\
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Printing of object's derived type based on vtable info is %s.\n"),
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value);
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}
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static void
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show_static_field_print (struct ui_file *file, int from_tty,
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struct cmd_list_element *c,
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const char *value)
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{
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fprintf_filtered (file,
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_("Printing of C++ static members is %s.\n"),
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value);
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}
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static struct obstack dont_print_vb_obstack;
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static struct obstack dont_print_statmem_obstack;
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static struct obstack dont_print_stat_array_obstack;
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extern void _initialize_cp_valprint (void);
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static void cp_print_static_field (struct type *, struct value *,
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struct ui_file *, int,
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const struct value_print_options *);
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static void cp_print_value (struct type *, struct type *,
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const gdb_byte *, int,
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CORE_ADDR, struct ui_file *,
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int, const struct value *,
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const struct value_print_options *,
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struct type **);
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/* GCC versions after 2.4.5 use this. */
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const char vtbl_ptr_name[] = "__vtbl_ptr_type";
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/* Return truth value for assertion that TYPE is of the type
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"pointer to virtual function". */
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int
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cp_is_vtbl_ptr_type (struct type *type)
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{
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const char *typename = type_name_no_tag (type);
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return (typename != NULL && !strcmp (typename, vtbl_ptr_name));
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}
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/* Return truth value for the assertion that TYPE is of the type
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"pointer to virtual function table". */
|
|
|
|
int
|
|
cp_is_vtbl_member (struct type *type)
|
|
{
|
|
/* With older versions of g++, the vtbl field pointed to an array of
|
|
structures. Nowadays it points directly to the structure. */
|
|
if (TYPE_CODE (type) == TYPE_CODE_PTR)
|
|
{
|
|
type = TYPE_TARGET_TYPE (type);
|
|
if (TYPE_CODE (type) == TYPE_CODE_ARRAY)
|
|
{
|
|
type = TYPE_TARGET_TYPE (type);
|
|
if (TYPE_CODE (type) == TYPE_CODE_STRUCT /* if not using thunks */
|
|
|| TYPE_CODE (type) == TYPE_CODE_PTR) /* if using thunks */
|
|
{
|
|
/* Virtual functions tables are full of pointers
|
|
to virtual functions. */
|
|
return cp_is_vtbl_ptr_type (type);
|
|
}
|
|
}
|
|
else if (TYPE_CODE (type) == TYPE_CODE_STRUCT) /* if not using thunks */
|
|
{
|
|
return cp_is_vtbl_ptr_type (type);
|
|
}
|
|
else if (TYPE_CODE (type) == TYPE_CODE_PTR) /* if using thunks */
|
|
{
|
|
/* The type name of the thunk pointer is NULL when using
|
|
dwarf2. We could test for a pointer to a function, but
|
|
there is no type info for the virtual table either, so it
|
|
wont help. */
|
|
return cp_is_vtbl_ptr_type (type);
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
/* Mutually recursive subroutines of cp_print_value and c_val_print to
|
|
print out a structure's fields: cp_print_value_fields and
|
|
cp_print_value.
|
|
|
|
TYPE, VALADDR, ADDRESS, STREAM, RECURSE, and OPTIONS have the same
|
|
meanings as in cp_print_value and c_val_print.
|
|
|
|
2nd argument REAL_TYPE is used to carry over the type of the
|
|
derived class across the recursion to base classes.
|
|
|
|
DONT_PRINT is an array of baseclass types that we should not print,
|
|
or zero if called from top level. */
|
|
|
|
void
|
|
cp_print_value_fields (struct type *type, struct type *real_type,
|
|
const gdb_byte *valaddr, int offset,
|
|
CORE_ADDR address, struct ui_file *stream,
|
|
int recurse, const struct value *val,
|
|
const struct value_print_options *options,
|
|
struct type **dont_print_vb,
|
|
int dont_print_statmem)
|
|
{
|
|
int i, len, n_baseclasses;
|
|
int fields_seen = 0;
|
|
static int last_set_recurse = -1;
|
|
|
|
CHECK_TYPEDEF (type);
|
|
|
|
if (recurse == 0)
|
|
{
|
|
/* Any object can be left on obstacks only during an unexpected
|
|
error. */
|
|
|
|
if (obstack_object_size (&dont_print_statmem_obstack) > 0)
|
|
{
|
|
obstack_free (&dont_print_statmem_obstack, NULL);
|
|
obstack_begin (&dont_print_statmem_obstack,
|
|
32 * sizeof (CORE_ADDR));
|
|
}
|
|
if (obstack_object_size (&dont_print_stat_array_obstack) > 0)
|
|
{
|
|
obstack_free (&dont_print_stat_array_obstack, NULL);
|
|
obstack_begin (&dont_print_stat_array_obstack,
|
|
32 * sizeof (struct type *));
|
|
}
|
|
}
|
|
|
|
fprintf_filtered (stream, "{");
|
|
len = TYPE_NFIELDS (type);
|
|
n_baseclasses = TYPE_N_BASECLASSES (type);
|
|
|
|
/* First, print out baseclasses such that we don't print
|
|
duplicates of virtual baseclasses. */
|
|
|
|
if (n_baseclasses > 0)
|
|
cp_print_value (type, real_type, valaddr,
|
|
offset, address, stream,
|
|
recurse + 1, val, options,
|
|
dont_print_vb);
|
|
|
|
/* Second, print out data fields */
|
|
|
|
/* If there are no data fields, skip this part */
|
|
if (len == n_baseclasses || !len)
|
|
fprintf_filtered (stream, "<No data fields>");
|
|
else
|
|
{
|
|
int statmem_obstack_initial_size = 0;
|
|
int stat_array_obstack_initial_size = 0;
|
|
struct type *vptr_basetype = NULL;
|
|
int vptr_fieldno;
|
|
|
|
if (dont_print_statmem == 0)
|
|
{
|
|
statmem_obstack_initial_size =
|
|
obstack_object_size (&dont_print_statmem_obstack);
|
|
|
|
if (last_set_recurse != recurse)
|
|
{
|
|
stat_array_obstack_initial_size =
|
|
obstack_object_size (&dont_print_stat_array_obstack);
|
|
|
|
last_set_recurse = recurse;
|
|
}
|
|
}
|
|
|
|
vptr_fieldno = get_vptr_fieldno (type, &vptr_basetype);
|
|
for (i = n_baseclasses; i < len; i++)
|
|
{
|
|
/* If requested, skip printing of static fields. */
|
|
if (!options->static_field_print
|
|
&& field_is_static (&TYPE_FIELD (type, i)))
|
|
continue;
|
|
|
|
if (fields_seen)
|
|
fprintf_filtered (stream, ", ");
|
|
else if (n_baseclasses > 0)
|
|
{
|
|
if (options->prettyformat)
|
|
{
|
|
fprintf_filtered (stream, "\n");
|
|
print_spaces_filtered (2 + 2 * recurse, stream);
|
|
fputs_filtered ("members of ", stream);
|
|
fputs_filtered (type_name_no_tag (type), stream);
|
|
fputs_filtered (": ", stream);
|
|
}
|
|
}
|
|
fields_seen = 1;
|
|
|
|
if (options->prettyformat)
|
|
{
|
|
fprintf_filtered (stream, "\n");
|
|
print_spaces_filtered (2 + 2 * recurse, stream);
|
|
}
|
|
else
|
|
{
|
|
wrap_here (n_spaces (2 + 2 * recurse));
|
|
}
|
|
|
|
annotate_field_begin (TYPE_FIELD_TYPE (type, i));
|
|
|
|
if (field_is_static (&TYPE_FIELD (type, i)))
|
|
fputs_filtered ("static ", stream);
|
|
fprintf_symbol_filtered (stream,
|
|
TYPE_FIELD_NAME (type, i),
|
|
current_language->la_language,
|
|
DMGL_PARAMS | DMGL_ANSI);
|
|
annotate_field_name_end ();
|
|
/* Do not print leading '=' in case of anonymous
|
|
unions. */
|
|
if (strcmp (TYPE_FIELD_NAME (type, i), ""))
|
|
fputs_filtered (" = ", stream);
|
|
annotate_field_value ();
|
|
|
|
if (!field_is_static (&TYPE_FIELD (type, i))
|
|
&& TYPE_FIELD_PACKED (type, i))
|
|
{
|
|
struct value *v;
|
|
|
|
/* Bitfields require special handling, especially due to
|
|
byte order problems. */
|
|
if (TYPE_FIELD_IGNORE (type, i))
|
|
{
|
|
fputs_filtered ("<optimized out or zero length>", stream);
|
|
}
|
|
else if (value_bits_synthetic_pointer (val,
|
|
TYPE_FIELD_BITPOS (type,
|
|
i),
|
|
TYPE_FIELD_BITSIZE (type,
|
|
i)))
|
|
{
|
|
fputs_filtered (_("<synthetic pointer>"), stream);
|
|
}
|
|
else if (!value_bits_valid (val,
|
|
TYPE_FIELD_BITPOS (type, i),
|
|
TYPE_FIELD_BITSIZE (type, i)))
|
|
{
|
|
val_print_optimized_out (val, stream);
|
|
}
|
|
else
|
|
{
|
|
struct value_print_options opts = *options;
|
|
|
|
opts.deref_ref = 0;
|
|
|
|
v = value_field_bitfield (type, i, valaddr, offset, val);
|
|
|
|
common_val_print (v, stream, recurse + 1, &opts,
|
|
current_language);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if (TYPE_FIELD_IGNORE (type, i))
|
|
{
|
|
fputs_filtered ("<optimized out or zero length>",
|
|
stream);
|
|
}
|
|
else if (field_is_static (&TYPE_FIELD (type, i)))
|
|
{
|
|
volatile struct gdb_exception ex;
|
|
struct value *v = NULL;
|
|
|
|
TRY_CATCH (ex, RETURN_MASK_ERROR)
|
|
{
|
|
v = value_static_field (type, i);
|
|
}
|
|
|
|
if (ex.reason < 0)
|
|
fprintf_filtered (stream,
|
|
_("<error reading variable: %s>"),
|
|
ex.message);
|
|
cp_print_static_field (TYPE_FIELD_TYPE (type, i),
|
|
v, stream, recurse + 1,
|
|
options);
|
|
}
|
|
else if (i == vptr_fieldno && type == vptr_basetype)
|
|
{
|
|
int i_offset = offset + TYPE_FIELD_BITPOS (type, i) / 8;
|
|
struct type *i_type = TYPE_FIELD_TYPE (type, i);
|
|
|
|
if (valprint_check_validity (stream, i_type, i_offset, val))
|
|
{
|
|
CORE_ADDR addr;
|
|
|
|
addr = extract_typed_address (valaddr + i_offset, i_type);
|
|
print_function_pointer_address (options,
|
|
get_type_arch (type),
|
|
addr, stream);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
struct value_print_options opts = *options;
|
|
|
|
opts.deref_ref = 0;
|
|
val_print (TYPE_FIELD_TYPE (type, i),
|
|
valaddr,
|
|
offset + TYPE_FIELD_BITPOS (type, i) / 8,
|
|
address,
|
|
stream, recurse + 1, val, &opts,
|
|
current_language);
|
|
}
|
|
}
|
|
annotate_field_end ();
|
|
}
|
|
|
|
if (dont_print_statmem == 0)
|
|
{
|
|
int obstack_final_size =
|
|
obstack_object_size (&dont_print_statmem_obstack);
|
|
|
|
if (obstack_final_size > statmem_obstack_initial_size)
|
|
{
|
|
/* In effect, a pop of the printed-statics stack. */
|
|
|
|
void *free_to_ptr =
|
|
obstack_next_free (&dont_print_statmem_obstack) -
|
|
(obstack_final_size - statmem_obstack_initial_size);
|
|
|
|
obstack_free (&dont_print_statmem_obstack,
|
|
free_to_ptr);
|
|
}
|
|
|
|
if (last_set_recurse != recurse)
|
|
{
|
|
int obstack_final_size =
|
|
obstack_object_size (&dont_print_stat_array_obstack);
|
|
|
|
if (obstack_final_size > stat_array_obstack_initial_size)
|
|
{
|
|
void *free_to_ptr =
|
|
obstack_next_free (&dont_print_stat_array_obstack)
|
|
- (obstack_final_size
|
|
- stat_array_obstack_initial_size);
|
|
|
|
obstack_free (&dont_print_stat_array_obstack,
|
|
free_to_ptr);
|
|
}
|
|
last_set_recurse = -1;
|
|
}
|
|
}
|
|
|
|
if (options->prettyformat)
|
|
{
|
|
fprintf_filtered (stream, "\n");
|
|
print_spaces_filtered (2 * recurse, stream);
|
|
}
|
|
} /* if there are data fields */
|
|
|
|
fprintf_filtered (stream, "}");
|
|
}
|
|
|
|
/* Like cp_print_value_fields, but find the runtime type of the object
|
|
and pass it as the `real_type' argument to cp_print_value_fields.
|
|
This function is a hack to work around the fact that
|
|
common_val_print passes the embedded offset to val_print, but not
|
|
the enclosing type. */
|
|
|
|
void
|
|
cp_print_value_fields_rtti (struct type *type,
|
|
const gdb_byte *valaddr, int offset,
|
|
CORE_ADDR address,
|
|
struct ui_file *stream, int recurse,
|
|
const struct value *val,
|
|
const struct value_print_options *options,
|
|
struct type **dont_print_vb,
|
|
int dont_print_statmem)
|
|
{
|
|
struct type *real_type = NULL;
|
|
|
|
/* We require all bits to be valid in order to attempt a
|
|
conversion. */
|
|
if (value_bits_valid (val, TARGET_CHAR_BIT * offset,
|
|
TARGET_CHAR_BIT * TYPE_LENGTH (type)))
|
|
{
|
|
struct value *value;
|
|
int full, top, using_enc;
|
|
|
|
/* Ugh, we have to convert back to a value here. */
|
|
value = value_from_contents_and_address (type, valaddr + offset,
|
|
address + offset);
|
|
/* We don't actually care about most of the result here -- just
|
|
the type. We already have the correct offset, due to how
|
|
val_print was initially called. */
|
|
real_type = value_rtti_type (value, &full, &top, &using_enc);
|
|
}
|
|
|
|
if (!real_type)
|
|
real_type = type;
|
|
|
|
cp_print_value_fields (type, real_type, valaddr, offset,
|
|
address, stream, recurse, val, options,
|
|
dont_print_vb, dont_print_statmem);
|
|
}
|
|
|
|
/* Special val_print routine to avoid printing multiple copies of
|
|
virtual baseclasses. */
|
|
|
|
static void
|
|
cp_print_value (struct type *type, struct type *real_type,
|
|
const gdb_byte *valaddr, int offset,
|
|
CORE_ADDR address, struct ui_file *stream,
|
|
int recurse, const struct value *val,
|
|
const struct value_print_options *options,
|
|
struct type **dont_print_vb)
|
|
{
|
|
struct type **last_dont_print
|
|
= (struct type **) obstack_next_free (&dont_print_vb_obstack);
|
|
struct obstack tmp_obstack = dont_print_vb_obstack;
|
|
int i, n_baseclasses = TYPE_N_BASECLASSES (type);
|
|
int thisoffset;
|
|
struct type *thistype;
|
|
|
|
if (dont_print_vb == 0)
|
|
{
|
|
/* If we're at top level, carve out a completely fresh chunk of
|
|
the obstack and use that until this particular invocation
|
|
returns. */
|
|
/* Bump up the high-water mark. Now alpha is omega. */
|
|
obstack_finish (&dont_print_vb_obstack);
|
|
}
|
|
|
|
for (i = 0; i < n_baseclasses; i++)
|
|
{
|
|
int boffset = 0;
|
|
int skip;
|
|
struct type *baseclass = check_typedef (TYPE_BASECLASS (type, i));
|
|
const char *basename = TYPE_NAME (baseclass);
|
|
const gdb_byte *base_valaddr = NULL;
|
|
const struct value *base_val = NULL;
|
|
volatile struct gdb_exception ex;
|
|
|
|
if (BASETYPE_VIA_VIRTUAL (type, i))
|
|
{
|
|
struct type **first_dont_print
|
|
= (struct type **) obstack_base (&dont_print_vb_obstack);
|
|
|
|
int j = (struct type **)
|
|
obstack_next_free (&dont_print_vb_obstack) - first_dont_print;
|
|
|
|
while (--j >= 0)
|
|
if (baseclass == first_dont_print[j])
|
|
goto flush_it;
|
|
|
|
obstack_ptr_grow (&dont_print_vb_obstack, baseclass);
|
|
}
|
|
|
|
thisoffset = offset;
|
|
thistype = real_type;
|
|
|
|
TRY_CATCH (ex, RETURN_MASK_ERROR)
|
|
{
|
|
boffset = baseclass_offset (type, i, valaddr, offset, address, val);
|
|
}
|
|
if (ex.reason < 0 && ex.error == NOT_AVAILABLE_ERROR)
|
|
skip = -1;
|
|
else if (ex.reason < 0)
|
|
skip = 1;
|
|
else
|
|
{
|
|
skip = 0;
|
|
|
|
if (BASETYPE_VIA_VIRTUAL (type, i))
|
|
{
|
|
/* The virtual base class pointer might have been
|
|
clobbered by the user program. Make sure that it
|
|
still points to a valid memory location. */
|
|
|
|
if ((boffset + offset) < 0
|
|
|| (boffset + offset) >= TYPE_LENGTH (real_type))
|
|
{
|
|
gdb_byte *buf;
|
|
struct cleanup *back_to;
|
|
|
|
buf = xmalloc (TYPE_LENGTH (baseclass));
|
|
back_to = make_cleanup (xfree, buf);
|
|
|
|
if (target_read_memory (address + boffset, buf,
|
|
TYPE_LENGTH (baseclass)) != 0)
|
|
skip = 1;
|
|
base_val = value_from_contents_and_address (baseclass,
|
|
buf,
|
|
address + boffset);
|
|
thisoffset = 0;
|
|
boffset = 0;
|
|
thistype = baseclass;
|
|
base_valaddr = value_contents_for_printing_const (base_val);
|
|
do_cleanups (back_to);
|
|
}
|
|
else
|
|
{
|
|
base_valaddr = valaddr;
|
|
base_val = val;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
base_valaddr = valaddr;
|
|
base_val = val;
|
|
}
|
|
}
|
|
|
|
/* Now do the printing. */
|
|
if (options->prettyformat)
|
|
{
|
|
fprintf_filtered (stream, "\n");
|
|
print_spaces_filtered (2 * recurse, stream);
|
|
}
|
|
fputs_filtered ("<", stream);
|
|
/* Not sure what the best notation is in the case where there is
|
|
no baseclass name. */
|
|
fputs_filtered (basename ? basename : "", stream);
|
|
fputs_filtered ("> = ", stream);
|
|
|
|
if (skip < 0)
|
|
val_print_unavailable (stream);
|
|
else if (skip > 0)
|
|
val_print_invalid_address (stream);
|
|
else
|
|
{
|
|
int result = 0;
|
|
|
|
/* Attempt to run the Python pretty-printers on the
|
|
baseclass if possible. */
|
|
if (!options->raw)
|
|
result = apply_val_pretty_printer (baseclass, base_valaddr,
|
|
thisoffset + boffset,
|
|
value_address (base_val),
|
|
stream, recurse, base_val,
|
|
options, current_language);
|
|
|
|
|
|
|
|
if (!result)
|
|
cp_print_value_fields (baseclass, thistype, base_valaddr,
|
|
thisoffset + boffset,
|
|
value_address (base_val),
|
|
stream, recurse, base_val, options,
|
|
((struct type **)
|
|
obstack_base (&dont_print_vb_obstack)),
|
|
0);
|
|
}
|
|
fputs_filtered (", ", stream);
|
|
|
|
flush_it:
|
|
;
|
|
}
|
|
|
|
if (dont_print_vb == 0)
|
|
{
|
|
/* Free the space used to deal with the printing
|
|
of this type from top level. */
|
|
obstack_free (&dont_print_vb_obstack, last_dont_print);
|
|
/* Reset watermark so that we can continue protecting
|
|
ourselves from whatever we were protecting ourselves. */
|
|
dont_print_vb_obstack = tmp_obstack;
|
|
}
|
|
}
|
|
|
|
/* Print value of a static member. To avoid infinite recursion when
|
|
printing a class that contains a static instance of the class, we
|
|
keep the addresses of all printed static member classes in an
|
|
obstack and refuse to print them more than once.
|
|
|
|
VAL contains the value to print, TYPE, STREAM, RECURSE, and OPTIONS
|
|
have the same meanings as in c_val_print. */
|
|
|
|
static void
|
|
cp_print_static_field (struct type *type,
|
|
struct value *val,
|
|
struct ui_file *stream,
|
|
int recurse,
|
|
const struct value_print_options *options)
|
|
{
|
|
struct value_print_options opts;
|
|
|
|
if (value_entirely_optimized_out (val))
|
|
{
|
|
val_print_optimized_out (val, stream);
|
|
return;
|
|
}
|
|
|
|
if (TYPE_CODE (type) == TYPE_CODE_STRUCT)
|
|
{
|
|
CORE_ADDR *first_dont_print;
|
|
CORE_ADDR addr;
|
|
int i;
|
|
|
|
first_dont_print
|
|
= (CORE_ADDR *) obstack_base (&dont_print_statmem_obstack);
|
|
i = obstack_object_size (&dont_print_statmem_obstack)
|
|
/ sizeof (CORE_ADDR);
|
|
|
|
while (--i >= 0)
|
|
{
|
|
if (value_address (val) == first_dont_print[i])
|
|
{
|
|
fputs_filtered ("<same as static member of an already"
|
|
" seen type>",
|
|
stream);
|
|
return;
|
|
}
|
|
}
|
|
|
|
addr = value_address (val);
|
|
obstack_grow (&dont_print_statmem_obstack, (char *) &addr,
|
|
sizeof (CORE_ADDR));
|
|
CHECK_TYPEDEF (type);
|
|
cp_print_value_fields (type, value_enclosing_type (val),
|
|
value_contents_for_printing (val),
|
|
value_embedded_offset (val), addr,
|
|
stream, recurse, val,
|
|
options, NULL, 1);
|
|
return;
|
|
}
|
|
|
|
if (TYPE_CODE (type) == TYPE_CODE_ARRAY)
|
|
{
|
|
struct type **first_dont_print;
|
|
int i;
|
|
struct type *target_type = TYPE_TARGET_TYPE (type);
|
|
|
|
first_dont_print
|
|
= (struct type **) obstack_base (&dont_print_stat_array_obstack);
|
|
i = obstack_object_size (&dont_print_stat_array_obstack)
|
|
/ sizeof (struct type *);
|
|
|
|
while (--i >= 0)
|
|
{
|
|
if (target_type == first_dont_print[i])
|
|
{
|
|
fputs_filtered ("<same as static member of an already"
|
|
" seen type>",
|
|
stream);
|
|
return;
|
|
}
|
|
}
|
|
|
|
obstack_grow (&dont_print_stat_array_obstack,
|
|
(char *) &target_type,
|
|
sizeof (struct type *));
|
|
}
|
|
|
|
opts = *options;
|
|
opts.deref_ref = 0;
|
|
val_print (type, value_contents_for_printing (val),
|
|
value_embedded_offset (val),
|
|
value_address (val),
|
|
stream, recurse, val,
|
|
&opts, current_language);
|
|
}
|
|
|
|
|
|
/* Find the field in *DOMAIN, or its non-virtual base classes, with
|
|
bit offset OFFSET. Set *DOMAIN to the containing type and *FIELDNO
|
|
to the containing field number. If OFFSET is not exactly at the
|
|
start of some field, set *DOMAIN to NULL. */
|
|
|
|
static void
|
|
cp_find_class_member (struct type **domain_p, int *fieldno,
|
|
LONGEST offset)
|
|
{
|
|
struct type *domain;
|
|
unsigned int i;
|
|
unsigned len;
|
|
|
|
*domain_p = check_typedef (*domain_p);
|
|
domain = *domain_p;
|
|
len = TYPE_NFIELDS (domain);
|
|
|
|
for (i = TYPE_N_BASECLASSES (domain); i < len; i++)
|
|
{
|
|
LONGEST bitpos = TYPE_FIELD_BITPOS (domain, i);
|
|
|
|
QUIT;
|
|
if (offset == bitpos)
|
|
{
|
|
*fieldno = i;
|
|
return;
|
|
}
|
|
}
|
|
|
|
for (i = 0; i < TYPE_N_BASECLASSES (domain); i++)
|
|
{
|
|
LONGEST bitpos = TYPE_FIELD_BITPOS (domain, i);
|
|
LONGEST bitsize = 8 * TYPE_LENGTH (TYPE_FIELD_TYPE (domain, i));
|
|
|
|
if (offset >= bitpos && offset < bitpos + bitsize)
|
|
{
|
|
*domain_p = TYPE_FIELD_TYPE (domain, i);
|
|
cp_find_class_member (domain_p, fieldno, offset - bitpos);
|
|
return;
|
|
}
|
|
}
|
|
|
|
*domain_p = NULL;
|
|
}
|
|
|
|
void
|
|
cp_print_class_member (const gdb_byte *valaddr, struct type *type,
|
|
struct ui_file *stream, char *prefix)
|
|
{
|
|
enum bfd_endian byte_order = gdbarch_byte_order (get_type_arch (type));
|
|
|
|
/* VAL is a byte offset into the structure type DOMAIN.
|
|
Find the name of the field for that offset and
|
|
print it. */
|
|
struct type *domain = TYPE_DOMAIN_TYPE (type);
|
|
LONGEST val;
|
|
int fieldno;
|
|
|
|
val = extract_signed_integer (valaddr,
|
|
TYPE_LENGTH (type),
|
|
byte_order);
|
|
|
|
/* Pointers to data members are usually byte offsets into an object.
|
|
Because a data member can have offset zero, and a NULL pointer to
|
|
member must be distinct from any valid non-NULL pointer to
|
|
member, either the value is biased or the NULL value has a
|
|
special representation; both are permitted by ISO C++. HP aCC
|
|
used a bias of 0x20000000; HP cfront used a bias of 1; g++ 3.x
|
|
and other compilers which use the Itanium ABI use -1 as the NULL
|
|
value. GDB only supports that last form; to add support for
|
|
another form, make this into a cp-abi hook. */
|
|
|
|
if (val == -1)
|
|
{
|
|
fprintf_filtered (stream, "NULL");
|
|
return;
|
|
}
|
|
|
|
cp_find_class_member (&domain, &fieldno, val << 3);
|
|
|
|
if (domain != NULL)
|
|
{
|
|
const char *name;
|
|
|
|
fputs_filtered (prefix, stream);
|
|
name = type_name_no_tag (domain);
|
|
if (name)
|
|
fputs_filtered (name, stream);
|
|
else
|
|
c_type_print_base (domain, stream, 0, 0, &type_print_raw_options);
|
|
fprintf_filtered (stream, "::");
|
|
fputs_filtered (TYPE_FIELD_NAME (domain, fieldno), stream);
|
|
}
|
|
else
|
|
fprintf_filtered (stream, "%ld", (long) val);
|
|
}
|
|
|
|
|
|
void
|
|
_initialize_cp_valprint (void)
|
|
{
|
|
add_setshow_boolean_cmd ("static-members", class_support,
|
|
&user_print_options.static_field_print, _("\
|
|
Set printing of C++ static members."), _("\
|
|
Show printing of C++ static members."), NULL,
|
|
NULL,
|
|
show_static_field_print,
|
|
&setprintlist, &showprintlist);
|
|
|
|
add_setshow_boolean_cmd ("vtbl", class_support,
|
|
&user_print_options.vtblprint, _("\
|
|
Set printing of C++ virtual function tables."), _("\
|
|
Show printing of C++ virtual function tables."), NULL,
|
|
NULL,
|
|
show_vtblprint,
|
|
&setprintlist, &showprintlist);
|
|
|
|
add_setshow_boolean_cmd ("object", class_support,
|
|
&user_print_options.objectprint, _("\
|
|
Set printing of object's derived type based on vtable info."), _("\
|
|
Show printing of object's derived type based on vtable info."), NULL,
|
|
NULL,
|
|
show_objectprint,
|
|
&setprintlist, &showprintlist);
|
|
|
|
obstack_begin (&dont_print_stat_array_obstack,
|
|
32 * sizeof (struct type *));
|
|
obstack_begin (&dont_print_statmem_obstack,
|
|
32 * sizeof (CORE_ADDR));
|
|
obstack_begin (&dont_print_vb_obstack,
|
|
32 * sizeof (struct type *));
|
|
}
|