mirror of
https://sourceware.org/git/binutils-gdb.git
synced 2024-12-27 04:52:05 +08:00
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.
550 lines
12 KiB
C
550 lines
12 KiB
C
/* Memory attributes support, for GDB.
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Copyright (C) 2001, 2002 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 2 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, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor,
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Boston, MA 02110-1301, USA. */
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#include "defs.h"
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#include "command.h"
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#include "gdbcmd.h"
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#include "memattr.h"
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#include "target.h"
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#include "value.h"
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#include "language.h"
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#include "gdb_string.h"
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const struct mem_attrib default_mem_attrib =
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{
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MEM_RW, /* mode */
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MEM_WIDTH_UNSPECIFIED,
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0, /* hwbreak */
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0, /* cache */
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0 /* verify */
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};
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static struct mem_region *mem_region_chain = NULL;
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static int mem_number = 0;
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static struct mem_region *
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create_mem_region (CORE_ADDR lo, CORE_ADDR hi,
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const struct mem_attrib *attrib)
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{
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struct mem_region *n, *new;
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/* lo == hi is a useless empty region */
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if (lo >= hi && hi != 0)
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{
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printf_unfiltered (_("invalid memory region: low >= high\n"));
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return NULL;
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}
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n = mem_region_chain;
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while (n)
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{
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/* overlapping node */
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if ((lo >= n->lo && (lo < n->hi || n->hi == 0))
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|| (hi > n->lo && (hi <= n->hi || n->hi == 0))
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|| (lo <= n->lo && (hi >= n->hi || hi == 0)))
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{
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printf_unfiltered (_("overlapping memory region\n"));
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return NULL;
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}
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n = n->next;
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}
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new = xmalloc (sizeof (struct mem_region));
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new->lo = lo;
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new->hi = hi;
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new->number = ++mem_number;
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new->enabled_p = 1;
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new->attrib = *attrib;
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/* link in new node */
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new->next = mem_region_chain;
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mem_region_chain = new;
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return new;
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}
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static void
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delete_mem_region (struct mem_region *m)
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{
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xfree (m);
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}
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/*
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* Look up the memory region cooresponding to ADDR.
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*/
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struct mem_region *
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lookup_mem_region (CORE_ADDR addr)
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{
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static struct mem_region region;
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struct mem_region *m;
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CORE_ADDR lo;
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CORE_ADDR hi;
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/* First we initialize LO and HI so that they describe the entire
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memory space. As we process the memory region chain, they are
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redefined to describe the minimal region containing ADDR. LO
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and HI are used in the case where no memory region is defined
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that contains ADDR. If a memory region is disabled, it is
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treated as if it does not exist. */
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lo = (CORE_ADDR) 0;
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hi = (CORE_ADDR) ~ 0;
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for (m = mem_region_chain; m; m = m->next)
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{
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if (m->enabled_p == 1)
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{
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if (addr >= m->lo && (addr < m->hi || m->hi == 0))
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return m;
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if (addr >= m->hi && lo < m->hi)
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lo = m->hi;
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if (addr <= m->lo && hi > m->lo)
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hi = m->lo;
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}
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}
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/* Because no region was found, we must cons up one based on what
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was learned above. */
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region.lo = lo;
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region.hi = hi;
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region.attrib = default_mem_attrib;
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return ®ion;
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}
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static void
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mem_command (char *args, int from_tty)
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{
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CORE_ADDR lo, hi;
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char *tok;
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struct mem_attrib attrib;
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if (!args)
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error_no_arg (_("No mem"));
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tok = strtok (args, " \t");
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if (!tok)
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error (_("no lo address"));
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lo = parse_and_eval_address (tok);
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tok = strtok (NULL, " \t");
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if (!tok)
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error (_("no hi address"));
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hi = parse_and_eval_address (tok);
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attrib = default_mem_attrib;
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while ((tok = strtok (NULL, " \t")) != NULL)
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{
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if (strcmp (tok, "rw") == 0)
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attrib.mode = MEM_RW;
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else if (strcmp (tok, "ro") == 0)
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attrib.mode = MEM_RO;
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else if (strcmp (tok, "wo") == 0)
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attrib.mode = MEM_WO;
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else if (strcmp (tok, "8") == 0)
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attrib.width = MEM_WIDTH_8;
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else if (strcmp (tok, "16") == 0)
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{
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if ((lo % 2 != 0) || (hi % 2 != 0))
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error (_("region bounds not 16 bit aligned"));
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attrib.width = MEM_WIDTH_16;
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}
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else if (strcmp (tok, "32") == 0)
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{
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if ((lo % 4 != 0) || (hi % 4 != 0))
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error (_("region bounds not 32 bit aligned"));
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attrib.width = MEM_WIDTH_32;
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}
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else if (strcmp (tok, "64") == 0)
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{
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if ((lo % 8 != 0) || (hi % 8 != 0))
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error (_("region bounds not 64 bit aligned"));
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attrib.width = MEM_WIDTH_64;
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}
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#if 0
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else if (strcmp (tok, "hwbreak") == 0)
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attrib.hwbreak = 1;
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else if (strcmp (tok, "swbreak") == 0)
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attrib.hwbreak = 0;
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#endif
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else if (strcmp (tok, "cache") == 0)
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attrib.cache = 1;
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else if (strcmp (tok, "nocache") == 0)
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attrib.cache = 0;
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#if 0
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else if (strcmp (tok, "verify") == 0)
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attrib.verify = 1;
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else if (strcmp (tok, "noverify") == 0)
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attrib.verify = 0;
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#endif
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else
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error (_("unknown attribute: %s"), tok);
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}
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create_mem_region (lo, hi, &attrib);
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}
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static void
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mem_info_command (char *args, int from_tty)
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{
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struct mem_region *m;
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struct mem_attrib *attrib;
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if (!mem_region_chain)
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{
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printf_unfiltered (_("There are no memory regions defined.\n"));
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return;
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}
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printf_filtered ("Num ");
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printf_filtered ("Enb ");
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printf_filtered ("Low Addr ");
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if (TARGET_ADDR_BIT > 32)
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printf_filtered (" ");
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printf_filtered ("High Addr ");
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if (TARGET_ADDR_BIT > 32)
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printf_filtered (" ");
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printf_filtered ("Attrs ");
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printf_filtered ("\n");
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for (m = mem_region_chain; m; m = m->next)
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{
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char *tmp;
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printf_filtered ("%-3d %-3c\t",
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m->number,
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m->enabled_p ? 'y' : 'n');
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if (TARGET_ADDR_BIT <= 32)
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tmp = hex_string_custom ((unsigned long) m->lo, 8);
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else
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tmp = hex_string_custom ((unsigned long) m->lo, 16);
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printf_filtered ("%s ", tmp);
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if (TARGET_ADDR_BIT <= 32)
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{
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if (m->hi == 0)
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tmp = "0x100000000";
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else
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tmp = hex_string_custom ((unsigned long) m->hi, 8);
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}
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else
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{
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if (m->hi == 0)
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tmp = "0x10000000000000000";
|
||
else
|
||
tmp = hex_string_custom ((unsigned long) m->hi, 16);
|
||
}
|
||
|
||
printf_filtered ("%s ", tmp);
|
||
|
||
/* Print a token for each attribute.
|
||
|
||
* FIXME: Should we output a comma after each token? It may
|
||
* make it easier for users to read, but we'd lose the ability
|
||
* to cut-and-paste the list of attributes when defining a new
|
||
* region. Perhaps that is not important.
|
||
*
|
||
* FIXME: If more attributes are added to GDB, the output may
|
||
* become cluttered and difficult for users to read. At that
|
||
* time, we may want to consider printing tokens only if they
|
||
* are different from the default attribute. */
|
||
|
||
attrib = &m->attrib;
|
||
switch (attrib->mode)
|
||
{
|
||
case MEM_RW:
|
||
printf_filtered ("rw ");
|
||
break;
|
||
case MEM_RO:
|
||
printf_filtered ("ro ");
|
||
break;
|
||
case MEM_WO:
|
||
printf_filtered ("wo ");
|
||
break;
|
||
}
|
||
|
||
switch (attrib->width)
|
||
{
|
||
case MEM_WIDTH_8:
|
||
printf_filtered ("8 ");
|
||
break;
|
||
case MEM_WIDTH_16:
|
||
printf_filtered ("16 ");
|
||
break;
|
||
case MEM_WIDTH_32:
|
||
printf_filtered ("32 ");
|
||
break;
|
||
case MEM_WIDTH_64:
|
||
printf_filtered ("64 ");
|
||
break;
|
||
case MEM_WIDTH_UNSPECIFIED:
|
||
break;
|
||
}
|
||
|
||
#if 0
|
||
if (attrib->hwbreak)
|
||
printf_filtered ("hwbreak");
|
||
else
|
||
printf_filtered ("swbreak");
|
||
#endif
|
||
|
||
if (attrib->cache)
|
||
printf_filtered ("cache ");
|
||
else
|
||
printf_filtered ("nocache ");
|
||
|
||
#if 0
|
||
if (attrib->verify)
|
||
printf_filtered ("verify ");
|
||
else
|
||
printf_filtered ("noverify ");
|
||
#endif
|
||
|
||
printf_filtered ("\n");
|
||
|
||
gdb_flush (gdb_stdout);
|
||
}
|
||
}
|
||
|
||
|
||
/* Enable the memory region number NUM. */
|
||
|
||
static void
|
||
mem_enable (int num)
|
||
{
|
||
struct mem_region *m;
|
||
|
||
for (m = mem_region_chain; m; m = m->next)
|
||
if (m->number == num)
|
||
{
|
||
m->enabled_p = 1;
|
||
return;
|
||
}
|
||
printf_unfiltered (_("No memory region number %d.\n"), num);
|
||
}
|
||
|
||
static void
|
||
mem_enable_command (char *args, int from_tty)
|
||
{
|
||
char *p = args;
|
||
char *p1;
|
||
int num;
|
||
struct mem_region *m;
|
||
|
||
dcache_invalidate (target_dcache);
|
||
|
||
if (p == 0)
|
||
{
|
||
for (m = mem_region_chain; m; m = m->next)
|
||
m->enabled_p = 1;
|
||
}
|
||
else
|
||
while (*p)
|
||
{
|
||
p1 = p;
|
||
while (*p1 >= '0' && *p1 <= '9')
|
||
p1++;
|
||
if (*p1 && *p1 != ' ' && *p1 != '\t')
|
||
error (_("Arguments must be memory region numbers."));
|
||
|
||
num = atoi (p);
|
||
mem_enable (num);
|
||
|
||
p = p1;
|
||
while (*p == ' ' || *p == '\t')
|
||
p++;
|
||
}
|
||
}
|
||
|
||
|
||
/* Disable the memory region number NUM. */
|
||
|
||
static void
|
||
mem_disable (int num)
|
||
{
|
||
struct mem_region *m;
|
||
|
||
for (m = mem_region_chain; m; m = m->next)
|
||
if (m->number == num)
|
||
{
|
||
m->enabled_p = 0;
|
||
return;
|
||
}
|
||
printf_unfiltered (_("No memory region number %d.\n"), num);
|
||
}
|
||
|
||
static void
|
||
mem_disable_command (char *args, int from_tty)
|
||
{
|
||
char *p = args;
|
||
char *p1;
|
||
int num;
|
||
struct mem_region *m;
|
||
|
||
dcache_invalidate (target_dcache);
|
||
|
||
if (p == 0)
|
||
{
|
||
for (m = mem_region_chain; m; m = m->next)
|
||
m->enabled_p = 0;
|
||
}
|
||
else
|
||
while (*p)
|
||
{
|
||
p1 = p;
|
||
while (*p1 >= '0' && *p1 <= '9')
|
||
p1++;
|
||
if (*p1 && *p1 != ' ' && *p1 != '\t')
|
||
error (_("Arguments must be memory region numbers."));
|
||
|
||
num = atoi (p);
|
||
mem_disable (num);
|
||
|
||
p = p1;
|
||
while (*p == ' ' || *p == '\t')
|
||
p++;
|
||
}
|
||
}
|
||
|
||
/* Clear memory region list */
|
||
|
||
static void
|
||
mem_clear (void)
|
||
{
|
||
struct mem_region *m;
|
||
|
||
while ((m = mem_region_chain) != 0)
|
||
{
|
||
mem_region_chain = m->next;
|
||
delete_mem_region (m);
|
||
}
|
||
}
|
||
|
||
/* Delete the memory region number NUM. */
|
||
|
||
static void
|
||
mem_delete (int num)
|
||
{
|
||
struct mem_region *m1, *m;
|
||
|
||
if (!mem_region_chain)
|
||
{
|
||
printf_unfiltered (_("No memory region number %d.\n"), num);
|
||
return;
|
||
}
|
||
|
||
if (mem_region_chain->number == num)
|
||
{
|
||
m1 = mem_region_chain;
|
||
mem_region_chain = m1->next;
|
||
delete_mem_region (m1);
|
||
}
|
||
else
|
||
for (m = mem_region_chain; m->next; m = m->next)
|
||
{
|
||
if (m->next->number == num)
|
||
{
|
||
m1 = m->next;
|
||
m->next = m1->next;
|
||
delete_mem_region (m1);
|
||
break;
|
||
}
|
||
}
|
||
}
|
||
|
||
static void
|
||
mem_delete_command (char *args, int from_tty)
|
||
{
|
||
char *p = args;
|
||
char *p1;
|
||
int num;
|
||
|
||
dcache_invalidate (target_dcache);
|
||
|
||
if (p == 0)
|
||
{
|
||
if (query ("Delete all memory regions? "))
|
||
mem_clear ();
|
||
dont_repeat ();
|
||
return;
|
||
}
|
||
|
||
while (*p)
|
||
{
|
||
p1 = p;
|
||
while (*p1 >= '0' && *p1 <= '9')
|
||
p1++;
|
||
if (*p1 && *p1 != ' ' && *p1 != '\t')
|
||
error (_("Arguments must be memory region numbers."));
|
||
|
||
num = atoi (p);
|
||
mem_delete (num);
|
||
|
||
p = p1;
|
||
while (*p == ' ' || *p == '\t')
|
||
p++;
|
||
}
|
||
|
||
dont_repeat ();
|
||
}
|
||
|
||
extern initialize_file_ftype _initialize_mem; /* -Wmissing-prototype */
|
||
|
||
void
|
||
_initialize_mem (void)
|
||
{
|
||
add_com ("mem", class_vars, mem_command, _("\
|
||
Define attributes for memory region.\n\
|
||
Usage: mem <lo addr> <hi addr> [<mode> <width> <cache>], \n\
|
||
where <mode> may be rw (read/write), ro (read-only) or wo (write-only), \n\
|
||
<width> may be 8, 16, 32, or 64, and \n\
|
||
<cache> may be cache or nocache"));
|
||
|
||
add_cmd ("mem", class_vars, mem_enable_command, _("\
|
||
Enable memory region.\n\
|
||
Arguments are the code numbers of the memory regions to enable.\n\
|
||
Usage: enable mem <code number>\n\
|
||
Do \"info mem\" to see current list of code numbers."), &enablelist);
|
||
|
||
add_cmd ("mem", class_vars, mem_disable_command, _("\
|
||
Disable memory region.\n\
|
||
Arguments are the code numbers of the memory regions to disable.\n\
|
||
Usage: disable mem <code number>\n\
|
||
Do \"info mem\" to see current list of code numbers."), &disablelist);
|
||
|
||
add_cmd ("mem", class_vars, mem_delete_command, _("\
|
||
Delete memory region.\n\
|
||
Arguments are the code numbers of the memory regions to delete.\n\
|
||
Usage: delete mem <code number>\n\
|
||
Do \"info mem\" to see current list of code numbers."), &deletelist);
|
||
|
||
add_info ("mem", mem_info_command,
|
||
_("Memory region attributes"));
|
||
}
|