binutils-gdb/gdb/m32r-tdep.c

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/* Target-dependent code for Renesas M32R, for GDB.
* breakpoint.c: * 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.
2005-12-17 23:34:03 +01:00
Copyright (C) 1996, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005 Free
Software Foundation, Inc.
This file is part of GDB.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
* breakpoint.c: * 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.
2005-12-17 23:34:03 +01:00
Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA. */
#include "defs.h"
#include "frame.h"
#include "frame-unwind.h"
#include "frame-base.h"
#include "symtab.h"
#include "gdbtypes.h"
#include "gdbcmd.h"
#include "gdbcore.h"
#include "gdb_string.h"
#include "value.h"
#include "inferior.h"
#include "symfile.h"
#include "objfiles.h"
#include "osabi.h"
#include "language.h"
#include "arch-utils.h"
#include "regcache.h"
#include "trad-frame.h"
#include "dis-asm.h"
#include "gdb_assert.h"
#include "m32r-tdep.h"
/* Local functions */
extern void _initialize_m32r_tdep (void);
static CORE_ADDR
m32r_frame_align (struct gdbarch *gdbarch, CORE_ADDR sp)
{
/* Align to the size of an instruction (so that they can safely be
pushed onto the stack. */
return sp & ~3;
}
/* Breakpoints
The little endian mode of M32R is unique. In most of architectures,
two 16-bit instructions, A and B, are placed as the following:
Big endian:
A0 A1 B0 B1
Little endian:
A1 A0 B1 B0
In M32R, they are placed like this:
Big endian:
A0 A1 B0 B1
Little endian:
B1 B0 A1 A0
This is because M32R always fetches instructions in 32-bit.
The following functions take care of this behavior. */
static int
m32r_memory_insert_breakpoint (CORE_ADDR addr, bfd_byte *contents_cache)
{
int val;
gdb_byte buf[4];
gdb_byte bp_entry[] = { 0x10, 0xf1 }; /* dpt */
/* Save the memory contents. */
val = target_read_memory (addr & 0xfffffffc, contents_cache, 4);
if (val != 0)
return val; /* return error */
/* Determine appropriate breakpoint contents and size for this address. */
if (TARGET_BYTE_ORDER == BFD_ENDIAN_BIG)
{
if ((addr & 3) == 0)
{
buf[0] = bp_entry[0];
buf[1] = bp_entry[1];
buf[2] = contents_cache[2] & 0x7f;
buf[3] = contents_cache[3];
}
else
{
buf[0] = contents_cache[0];
buf[1] = contents_cache[1];
buf[2] = bp_entry[0];
buf[3] = bp_entry[1];
}
}
else /* little-endian */
{
if ((addr & 3) == 0)
{
buf[0] = contents_cache[0];
buf[1] = contents_cache[1] & 0x7f;
buf[2] = bp_entry[1];
buf[3] = bp_entry[0];
}
else
{
buf[0] = bp_entry[1];
buf[1] = bp_entry[0];
buf[2] = contents_cache[2];
buf[3] = contents_cache[3];
}
}
/* Write the breakpoint. */
val = target_write_memory (addr & 0xfffffffc, buf, 4);
return val;
}
static int
m32r_memory_remove_breakpoint (CORE_ADDR addr, bfd_byte *contents_cache)
{
int val;
gdb_byte buf[4];
buf[0] = contents_cache[0];
buf[1] = contents_cache[1];
buf[2] = contents_cache[2];
buf[3] = contents_cache[3];
/* Remove parallel bit. */
if (TARGET_BYTE_ORDER == BFD_ENDIAN_BIG)
{
if ((buf[0] & 0x80) == 0 && (buf[2] & 0x80) != 0)
buf[2] &= 0x7f;
}
else /* little-endian */
{
if ((buf[3] & 0x80) == 0 && (buf[1] & 0x80) != 0)
buf[1] &= 0x7f;
}
/* Write contents. */
val = target_write_memory (addr & 0xfffffffc, buf, 4);
return val;
}
static const gdb_byte *
m32r_breakpoint_from_pc (CORE_ADDR *pcptr, int *lenptr)
{
static gdb_byte be_bp_entry[] = { 0x10, 0xf1, 0x70, 0x00 }; /* dpt -> nop */
static gdb_byte le_bp_entry[] = { 0x00, 0x70, 0xf1, 0x10 }; /* dpt -> nop */
gdb_byte *bp;
/* Determine appropriate breakpoint. */
if (TARGET_BYTE_ORDER == BFD_ENDIAN_BIG)
{
if ((*pcptr & 3) == 0)
{
bp = be_bp_entry;
*lenptr = 4;
}
else
{
bp = be_bp_entry;
*lenptr = 2;
}
}
else
{
if ((*pcptr & 3) == 0)
{
bp = le_bp_entry;
*lenptr = 4;
}
else
{
bp = le_bp_entry + 2;
*lenptr = 2;
}
}
return bp;
}
char *m32r_register_names[] = {
"r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7",
"r8", "r9", "r10", "r11", "r12", "fp", "lr", "sp",
"psw", "cbr", "spi", "spu", "bpc", "pc", "accl", "acch",
"evb"
};
static const char *
m32r_register_name (int reg_nr)
{
if (reg_nr < 0)
return NULL;
if (reg_nr >= M32R_NUM_REGS)
return NULL;
return m32r_register_names[reg_nr];
}
/* Return the GDB type object for the "standard" data type
of data in register N. */
static struct type *
m32r_register_type (struct gdbarch *gdbarch, int reg_nr)
{
if (reg_nr == M32R_PC_REGNUM)
return builtin_type_void_func_ptr;
else if (reg_nr == M32R_SP_REGNUM || reg_nr == M32R_FP_REGNUM)
return builtin_type_void_data_ptr;
else
return builtin_type_int32;
}
/* Write into appropriate registers a function return value
of type TYPE, given in virtual format.
Things always get returned in RET1_REGNUM, RET2_REGNUM. */
static void
m32r_store_return_value (struct type *type, struct regcache *regcache,
const void *valbuf)
{
CORE_ADDR regval;
int len = TYPE_LENGTH (type);
regval = extract_unsigned_integer (valbuf, len > 4 ? 4 : len);
regcache_cooked_write_unsigned (regcache, RET1_REGNUM, regval);
if (len > 4)
{
regval = extract_unsigned_integer ((gdb_byte *) valbuf + 4, len - 4);
regcache_cooked_write_unsigned (regcache, RET1_REGNUM + 1, regval);
}
}
/* This is required by skip_prologue. The results of decoding a prologue
should be cached because this thrashing is getting nuts. */
static int
decode_prologue (CORE_ADDR start_pc, CORE_ADDR scan_limit,
CORE_ADDR *pl_endptr, unsigned long *framelength)
{
unsigned long framesize;
int insn;
int op1;
CORE_ADDR after_prologue = 0;
CORE_ADDR after_push = 0;
CORE_ADDR after_stack_adjust = 0;
CORE_ADDR current_pc;
LONGEST return_value;
framesize = 0;
after_prologue = 0;
for (current_pc = start_pc; current_pc < scan_limit; current_pc += 2)
{
/* Check if current pc's location is readable. */
if (!safe_read_memory_integer (current_pc, 2, &return_value))
return -1;
insn = read_memory_unsigned_integer (current_pc, 2);
if (insn == 0x0000)
break;
/* If this is a 32 bit instruction, we dont want to examine its
immediate data as though it were an instruction */
if (current_pc & 0x02)
{
/* decode this instruction further */
insn &= 0x7fff;
}
else
{
if (insn & 0x8000)
{
if (current_pc == scan_limit)
scan_limit += 2; /* extend the search */
current_pc += 2; /* skip the immediate data */
/* Check if current pc's location is readable. */
if (!safe_read_memory_integer (current_pc, 2, &return_value))
return -1;
if (insn == 0x8faf) /* add3 sp, sp, xxxx */
/* add 16 bit sign-extended offset */
{
framesize +=
-((short) read_memory_unsigned_integer (current_pc, 2));
}
else
{
if (((insn >> 8) == 0xe4) /* ld24 r4, xxxxxx; sub sp, r4 */
&& safe_read_memory_integer (current_pc + 2, 2,
&return_value)
&& read_memory_unsigned_integer (current_pc + 2,
2) == 0x0f24)
/* subtract 24 bit sign-extended negative-offset */
{
insn = read_memory_unsigned_integer (current_pc - 2, 4);
if (insn & 0x00800000) /* sign extend */
insn |= 0xff000000; /* negative */
else
insn &= 0x00ffffff; /* positive */
framesize += insn;
}
}
after_push = current_pc + 2;
continue;
}
}
op1 = insn & 0xf000; /* isolate just the first nibble */
if ((insn & 0xf0ff) == 0x207f)
{ /* st reg, @-sp */
int regno;
framesize += 4;
regno = ((insn >> 8) & 0xf);
after_prologue = 0;
continue;
}
if ((insn >> 8) == 0x4f) /* addi sp, xx */
/* add 8 bit sign-extended offset */
{
int stack_adjust = (gdb_byte) (insn & 0xff);
/* there are probably two of these stack adjustments:
1) A negative one in the prologue, and
2) A positive one in the epilogue.
We are only interested in the first one. */
if (stack_adjust < 0)
{
framesize -= stack_adjust;
after_prologue = 0;
/* A frameless function may have no "mv fp, sp".
In that case, this is the end of the prologue. */
after_stack_adjust = current_pc + 2;
}
continue;
}
if (insn == 0x1d8f)
{ /* mv fp, sp */
after_prologue = current_pc + 2;
break; /* end of stack adjustments */
}
/* Nop looks like a branch, continue explicitly */
if (insn == 0x7000)
{
after_prologue = current_pc + 2;
continue; /* nop occurs between pushes */
}
/* End of prolog if any of these are trap instructions */
if ((insn & 0xfff0) == 0x10f0)
{
after_prologue = current_pc;
break;
}
/* End of prolog if any of these are branch instructions */
if ((op1 == 0x7000) || (op1 == 0xb000) || (op1 == 0xf000))
{
after_prologue = current_pc;
continue;
}
/* Some of the branch instructions are mixed with other types */
if (op1 == 0x1000)
{
int subop = insn & 0x0ff0;
if ((subop == 0x0ec0) || (subop == 0x0fc0))
{
after_prologue = current_pc;
continue; /* jmp , jl */
}
}
}
if (framelength)
*framelength = framesize;
if (current_pc >= scan_limit)
{
if (pl_endptr)
{
if (after_stack_adjust != 0)
/* We did not find a "mv fp,sp", but we DID find
a stack_adjust. Is it safe to use that as the
end of the prologue? I just don't know. */
{
*pl_endptr = after_stack_adjust;
}
else if (after_push != 0)
/* We did not find a "mv fp,sp", but we DID find
a push. Is it safe to use that as the
end of the prologue? I just don't know. */
{
*pl_endptr = after_push;
}
else
/* We reached the end of the loop without finding the end
of the prologue. No way to win -- we should report failure.
The way we do that is to return the original start_pc.
GDB will set a breakpoint at the start of the function (etc.) */
*pl_endptr = start_pc;
}
return 0;
}
if (after_prologue == 0)
after_prologue = current_pc;
if (pl_endptr)
*pl_endptr = after_prologue;
return 0;
} /* decode_prologue */
/* Function: skip_prologue
Find end of function prologue */
#define DEFAULT_SEARCH_LIMIT 128
CORE_ADDR
m32r_skip_prologue (CORE_ADDR pc)
{
CORE_ADDR func_addr, func_end;
struct symtab_and_line sal;
LONGEST return_value;
/* See what the symbol table says */
if (find_pc_partial_function (pc, NULL, &func_addr, &func_end))
{
sal = find_pc_line (func_addr, 0);
if (sal.line != 0 && sal.end <= func_end)
{
func_end = sal.end;
}
else
/* Either there's no line info, or the line after the prologue is after
the end of the function. In this case, there probably isn't a
prologue. */
{
func_end = min (func_end, func_addr + DEFAULT_SEARCH_LIMIT);
}
}
else
func_end = pc + DEFAULT_SEARCH_LIMIT;
/* If pc's location is not readable, just quit. */
if (!safe_read_memory_integer (pc, 4, &return_value))
return pc;
/* Find the end of prologue. */
if (decode_prologue (pc, func_end, &sal.end, NULL) < 0)
return pc;
return sal.end;
}
struct m32r_unwind_cache
{
/* The previous frame's inner most stack address. Used as this
frame ID's stack_addr. */
CORE_ADDR prev_sp;
/* The frame's base, optionally used by the high-level debug info. */
CORE_ADDR base;
int size;
/* How far the SP and r13 (FP) have been offset from the start of
the stack frame (as defined by the previous frame's stack
pointer). */
LONGEST sp_offset;
LONGEST r13_offset;
int uses_frame;
/* Table indicating the location of each and every register. */
struct trad_frame_saved_reg *saved_regs;
};
/* Put here the code to store, into fi->saved_regs, the addresses of
the saved registers of frame described by FRAME_INFO. This
includes special registers such as pc and fp saved in special ways
in the stack frame. sp is even more special: the address we return
for it IS the sp for the next frame. */
static struct m32r_unwind_cache *
m32r_frame_unwind_cache (struct frame_info *next_frame,
void **this_prologue_cache)
{
CORE_ADDR pc, scan_limit;
ULONGEST prev_sp;
ULONGEST this_base;
unsigned long op, op2;
int i;
struct m32r_unwind_cache *info;
if ((*this_prologue_cache))
return (*this_prologue_cache);
info = FRAME_OBSTACK_ZALLOC (struct m32r_unwind_cache);
(*this_prologue_cache) = info;
info->saved_regs = trad_frame_alloc_saved_regs (next_frame);
info->size = 0;
info->sp_offset = 0;
info->uses_frame = 0;
scan_limit = frame_pc_unwind (next_frame);
for (pc = frame_func_unwind (next_frame);
pc > 0 && pc < scan_limit; pc += 2)
{
if ((pc & 2) == 0)
{
op = get_frame_memory_unsigned (next_frame, pc, 4);
if ((op & 0x80000000) == 0x80000000)
{
/* 32-bit instruction */
if ((op & 0xffff0000) == 0x8faf0000)
{
/* add3 sp,sp,xxxx */
short n = op & 0xffff;
info->sp_offset += n;
}
else if (((op >> 8) == 0xe4)
&& get_frame_memory_unsigned (next_frame, pc + 2,
2) == 0x0f24)
{
/* ld24 r4, xxxxxx; sub sp, r4 */
unsigned long n = op & 0xffffff;
info->sp_offset += n;
pc += 2; /* skip sub instruction */
}
if (pc == scan_limit)
scan_limit += 2; /* extend the search */
pc += 2; /* skip the immediate data */
continue;
}
}
/* 16-bit instructions */
op = get_frame_memory_unsigned (next_frame, pc, 2) & 0x7fff;
if ((op & 0xf0ff) == 0x207f)
{
/* st rn, @-sp */
int regno = ((op >> 8) & 0xf);
info->sp_offset -= 4;
info->saved_regs[regno].addr = info->sp_offset;
}
else if ((op & 0xff00) == 0x4f00)
{
/* addi sp, xx */
int n = (gdb_byte) (op & 0xff);
info->sp_offset += n;
}
else if (op == 0x1d8f)
{
/* mv fp, sp */
info->uses_frame = 1;
info->r13_offset = info->sp_offset;
break; /* end of stack adjustments */
}
else if ((op & 0xfff0) == 0x10f0)
{
/* end of prologue if this is a trap instruction */
break; /* end of stack adjustments */
}
}
info->size = -info->sp_offset;
/* Compute the previous frame's stack pointer (which is also the
frame's ID's stack address), and this frame's base pointer. */
if (info->uses_frame)
{
/* The SP was moved to the FP. This indicates that a new frame
was created. Get THIS frame's FP value by unwinding it from
the next frame. */
this_base = frame_unwind_register_unsigned (next_frame, M32R_FP_REGNUM);
/* The FP points at the last saved register. Adjust the FP back
to before the first saved register giving the SP. */
prev_sp = this_base + info->size;
}
else
{
/* Assume that the FP is this frame's SP but with that pushed
stack space added back. */
this_base = frame_unwind_register_unsigned (next_frame, M32R_SP_REGNUM);
prev_sp = this_base + info->size;
}
/* Convert that SP/BASE into real addresses. */
info->prev_sp = prev_sp;
info->base = this_base;
/* Adjust all the saved registers so that they contain addresses and
not offsets. */
for (i = 0; i < NUM_REGS - 1; i++)
if (trad_frame_addr_p (info->saved_regs, i))
info->saved_regs[i].addr = (info->prev_sp + info->saved_regs[i].addr);
/* The call instruction moves the caller's PC in the callee's LR.
Since this is an unwind, do the reverse. Copy the location of LR
into PC (the address / regnum) so that a request for PC will be
converted into a request for the LR. */
info->saved_regs[M32R_PC_REGNUM] = info->saved_regs[LR_REGNUM];
/* The previous frame's SP needed to be computed. Save the computed
value. */
trad_frame_set_value (info->saved_regs, M32R_SP_REGNUM, prev_sp);
return info;
}
static CORE_ADDR
m32r_read_pc (ptid_t ptid)
{
ptid_t save_ptid;
ULONGEST pc;
save_ptid = inferior_ptid;
inferior_ptid = ptid;
regcache_cooked_read_unsigned (current_regcache, M32R_PC_REGNUM, &pc);
inferior_ptid = save_ptid;
return pc;
}
static void
m32r_write_pc (CORE_ADDR val, ptid_t ptid)
{
ptid_t save_ptid;
save_ptid = inferior_ptid;
inferior_ptid = ptid;
write_register (M32R_PC_REGNUM, val);
inferior_ptid = save_ptid;
}
static CORE_ADDR
m32r_unwind_sp (struct gdbarch *gdbarch, struct frame_info *next_frame)
{
return frame_unwind_register_unsigned (next_frame, M32R_SP_REGNUM);
}
static CORE_ADDR
2004-06-06 Randolph Chung <tausq@debian.org> * gdbarch.sh (PUSH_DUMMY_CALL): Change CORE_ADDR func_addr argument to struct value *function. * gdbarch.c: Regenerate. * gdbarch.h: Likewise. * infcall.c (call_function_by_hand): Pass entire function value to push_dummy_call. * Makefile.in (alpha-tdep.o, frv-tdep.o, ia64-tdep.o, mips-tdep.o) (ppc-sysv-tdep.o, rs6000-tdep.o): Update dependencies. * alpha-tdep.c (alpha_push_dummy_call): Update call signature. * amd64-tdep.c (amd64_push_dummy_call): Likewise. * arm-tdep.c (arm_push_dummy_call): Likewise. * avr-tdep.c (avr_push_dummy_call): Likewise. * cris-tdep.c (cris_push_dummy_call): Likewise. * d10v-tdep.c (d10v_push_dummy_call): Likewise. * frv-tdep.c (frv_push_dummy_call): Likewise. * h8300-tdep.c (h8300_push_dummy_call): Likewise. * hppa-tdep.c (hppa32_push_dummy_call) (hppa64_push_dummy_call): Likewise. * i386-tdep.c (i386_push_dummy_call): Likewise. * ia64-tdep.c (ia64_push_dummy_call): Likewise. * m32r-tdep.c (m32r_push_dummy_call): Likewise. * m68hc11-tdep.c (m68hc11_push_dummy_call): Likewise. * m68k-tdep.c (m68k_push_dummy_call): Likewise. * m88k-tdep.c (m88k_push_dummy_call): Likewise. * mips-tdep.c (mips_eabi_push_dummy_call, mips_n32n64_push_dummy_call) (mips_o32_push_dummy_call, mips_o64_push_dummy_call): Likewise. * ppc-sysv-tdep.c (ppc_sysv_abi_push_dummy_call) (ppc64_sysv_abi_push_dummy_call): Likewise. * ppc-tdep.h (ppc_sysv_abi_push_dummy_call) (ppc64_sysv_abi_push_dummy_call): Likewise. * rs6000-tdep.c (rs6000_push_dummy_call): Likewise. * s390-tdep.c (s390_push_dummy_call): Likewise. * sh-tdep.c (sh_push_dummy_call_fpu) (sh_push_dummy_call_nofpu): Likewise. * sparc-tdep.c (sparc32_push_dummy_call): Likewise. * sparc64-tdep.c (sparc64_push_dummy_call): Likewise. * vax-tdep.c (vax_push_dummy_call): Likewise.
2004-06-07 04:02:55 +02:00
m32r_push_dummy_call (struct gdbarch *gdbarch, struct value *function,
struct regcache *regcache, CORE_ADDR bp_addr, int nargs,
struct value **args, CORE_ADDR sp, int struct_return,
CORE_ADDR struct_addr)
{
int stack_offset, stack_alloc;
int argreg = ARG1_REGNUM;
int argnum;
struct type *type;
enum type_code typecode;
CORE_ADDR regval;
gdb_byte *val;
gdb_byte valbuf[MAX_REGISTER_SIZE];
int len;
int odd_sized_struct;
/* first force sp to a 4-byte alignment */
sp = sp & ~3;
/* Set the return address. For the m32r, the return breakpoint is
always at BP_ADDR. */
regcache_cooked_write_unsigned (regcache, LR_REGNUM, bp_addr);
/* If STRUCT_RETURN is true, then the struct return address (in
STRUCT_ADDR) will consume the first argument-passing register.
Both adjust the register count and store that value. */
if (struct_return)
{
regcache_cooked_write_unsigned (regcache, argreg, struct_addr);
argreg++;
}
/* Now make sure there's space on the stack */
for (argnum = 0, stack_alloc = 0; argnum < nargs; argnum++)
stack_alloc += ((TYPE_LENGTH (value_type (args[argnum])) + 3) & ~3);
sp -= stack_alloc; /* make room on stack for args */
for (argnum = 0, stack_offset = 0; argnum < nargs; argnum++)
{
type = value_type (args[argnum]);
typecode = TYPE_CODE (type);
len = TYPE_LENGTH (type);
memset (valbuf, 0, sizeof (valbuf));
/* Passes structures that do not fit in 2 registers by reference. */
if (len > 8
&& (typecode == TYPE_CODE_STRUCT || typecode == TYPE_CODE_UNION))
{
store_unsigned_integer (valbuf, 4, VALUE_ADDRESS (args[argnum]));
typecode = TYPE_CODE_PTR;
len = 4;
val = valbuf;
}
else if (len < 4)
{
/* value gets right-justified in the register or stack word */
memcpy (valbuf + (register_size (gdbarch, argreg) - len),
(gdb_byte *) value_contents (args[argnum]), len);
val = valbuf;
}
else
val = (gdb_byte *) value_contents (args[argnum]);
while (len > 0)
{
if (argreg > ARGN_REGNUM)
{
/* must go on the stack */
write_memory (sp + stack_offset, val, 4);
stack_offset += 4;
}
else if (argreg <= ARGN_REGNUM)
{
/* there's room in a register */
regval =
extract_unsigned_integer (val,
register_size (gdbarch, argreg));
regcache_cooked_write_unsigned (regcache, argreg++, regval);
}
/* Store the value 4 bytes at a time. This means that things
larger than 4 bytes may go partly in registers and partly
on the stack. */
len -= register_size (gdbarch, argreg);
val += register_size (gdbarch, argreg);
}
}
/* Finally, update the SP register. */
regcache_cooked_write_unsigned (regcache, M32R_SP_REGNUM, sp);
return sp;
}
/* Given a return value in `regbuf' with a type `valtype',
extract and copy its value into `valbuf'. */
static void
m32r_extract_return_value (struct type *type, struct regcache *regcache,
void *dst)
{
bfd_byte *valbuf = dst;
int len = TYPE_LENGTH (type);
ULONGEST tmp;
/* By using store_unsigned_integer we avoid having to do
anything special for small big-endian values. */
regcache_cooked_read_unsigned (regcache, RET1_REGNUM, &tmp);
store_unsigned_integer (valbuf, (len > 4 ? len - 4 : len), tmp);
/* Ignore return values more than 8 bytes in size because the m32r
returns anything more than 8 bytes in the stack. */
if (len > 4)
{
regcache_cooked_read_unsigned (regcache, RET1_REGNUM + 1, &tmp);
store_unsigned_integer (valbuf + len - 4, 4, tmp);
}
}
enum return_value_convention
m32r_return_value (struct gdbarch *gdbarch, struct type *valtype,
struct regcache *regcache, gdb_byte *readbuf,
const gdb_byte *writebuf)
{
if (TYPE_LENGTH (valtype) > 8)
return RETURN_VALUE_STRUCT_CONVENTION;
else
{
if (readbuf != NULL)
m32r_extract_return_value (valtype, regcache, readbuf);
if (writebuf != NULL)
m32r_store_return_value (valtype, regcache, writebuf);
return RETURN_VALUE_REGISTER_CONVENTION;
}
}
static CORE_ADDR
m32r_unwind_pc (struct gdbarch *gdbarch, struct frame_info *next_frame)
{
return frame_unwind_register_unsigned (next_frame, M32R_PC_REGNUM);
}
/* Given a GDB frame, determine the address of the calling function's
frame. This will be used to create a new GDB frame struct. */
static void
m32r_frame_this_id (struct frame_info *next_frame,
void **this_prologue_cache, struct frame_id *this_id)
{
struct m32r_unwind_cache *info
= m32r_frame_unwind_cache (next_frame, this_prologue_cache);
CORE_ADDR base;
CORE_ADDR func;
struct minimal_symbol *msym_stack;
struct frame_id id;
/* The FUNC is easy. */
func = frame_func_unwind (next_frame);
/* Check if the stack is empty. */
msym_stack = lookup_minimal_symbol ("_stack", NULL, NULL);
if (msym_stack && info->base == SYMBOL_VALUE_ADDRESS (msym_stack))
return;
/* Hopefully the prologue analysis either correctly determined the
frame's base (which is the SP from the previous frame), or set
that base to "NULL". */
base = info->prev_sp;
if (base == 0)
return;
id = frame_id_build (base, func);
(*this_id) = id;
}
static void
m32r_frame_prev_register (struct frame_info *next_frame,
void **this_prologue_cache,
int regnum, int *optimizedp,
enum lval_type *lvalp, CORE_ADDR *addrp,
int *realnump, gdb_byte *bufferp)
{
struct m32r_unwind_cache *info
= m32r_frame_unwind_cache (next_frame, this_prologue_cache);
2004-07-31 Andrew Cagney <cagney@gnu.org> * trad-frame.c (trad_frame_get_prev_register): Rename trad_frame_get_prev_register. * vax-tdep.c (vax_frame_prev_register): Update. * trad-frame.h: Update. * trad-frame.c (trad_frame_get_register): Update. * sparcobsd-tdep.c (sparc32obsd_frame_prev_register): Update. * sparcnbsd-tdep.c (sparc32nbsd_sigcontext_frame_prev_register): Update. * sparc64obsd-tdep.c (sparc64obsd_frame_prev_register): Update. * sparc64nbsd-tdep.c (sparc64nbsd_sigcontext_frame_prev_register): Update. * sparc64fbsd-tdep.c (sparc64fbsd_sigtramp_frame_prev_register): Update. * sparc64-sol2-tdep.c (sparc64_sol2_sigtramp_frame_prev_register): Update. * sparc-sol2-tdep.c (sparc32_sol2_sigtramp_frame_prev_register): Update. * sparc-linux-tdep.c (sparc32_linux_sigtramp_frame_prev_register): Update. * s390-tdep.c (s390_frame_prev_register) (s390_stub_frame_prev_register) (s390_sigtramp_frame_prev_register): Update. * rs6000-tdep.c (rs6000_frame_prev_register): Update. * ppc-linux-tdep.c (ppc_linux_sigtramp_prev_register): Update. * mips-tdep.c (mips_mdebug_frame_prev_register): Update. * m88k-tdep.c (m88k_frame_prev_register) * m68hc11-tdep.c (m68hc11_frame_prev_register) * m32r-tdep.c (m32r_frame_prev_register): Update. * hppa-tdep.c (hppa_frame_prev_register_helper) * frv-tdep.c (frv_frame_prev_register): Update. * d10v-tdep.c (d10v_frame_prev_register): Update. * cris-tdep.c (cris_frame_prev_register): Update. * avr-tdep.c (avr_frame_prev_register): Update. * arm-tdep.c (arm_prologue_prev_register) (arm_sigtramp_prev_register): Update.
2004-07-31 23:53:17 +02:00
trad_frame_get_prev_register (next_frame, info->saved_regs, regnum,
optimizedp, lvalp, addrp, realnump, bufferp);
}
static const struct frame_unwind m32r_frame_unwind = {
NORMAL_FRAME,
m32r_frame_this_id,
m32r_frame_prev_register
};
static const struct frame_unwind *
m32r_frame_sniffer (struct frame_info *next_frame)
{
return &m32r_frame_unwind;
}
static CORE_ADDR
m32r_frame_base_address (struct frame_info *next_frame, void **this_cache)
{
struct m32r_unwind_cache *info
= m32r_frame_unwind_cache (next_frame, this_cache);
return info->base;
}
static const struct frame_base m32r_frame_base = {
&m32r_frame_unwind,
m32r_frame_base_address,
m32r_frame_base_address,
m32r_frame_base_address
};
/* Assuming NEXT_FRAME->prev is a dummy, return the frame ID of that
dummy frame. The frame ID's base needs to match the TOS value
saved by save_dummy_frame_tos(), and the PC match the dummy frame's
breakpoint. */
static struct frame_id
m32r_unwind_dummy_id (struct gdbarch *gdbarch, struct frame_info *next_frame)
{
return frame_id_build (m32r_unwind_sp (gdbarch, next_frame),
frame_pc_unwind (next_frame));
}
static gdbarch_init_ftype m32r_gdbarch_init;
static struct gdbarch *
m32r_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
{
struct gdbarch *gdbarch;
struct gdbarch_tdep *tdep;
/* If there is already a candidate, use it. */
arches = gdbarch_list_lookup_by_info (arches, &info);
if (arches != NULL)
return arches->gdbarch;
/* Allocate space for the new architecture. */
tdep = XMALLOC (struct gdbarch_tdep);
gdbarch = gdbarch_alloc (&info, tdep);
set_gdbarch_read_pc (gdbarch, m32r_read_pc);
set_gdbarch_write_pc (gdbarch, m32r_write_pc);
set_gdbarch_unwind_sp (gdbarch, m32r_unwind_sp);
set_gdbarch_num_regs (gdbarch, M32R_NUM_REGS);
set_gdbarch_sp_regnum (gdbarch, M32R_SP_REGNUM);
set_gdbarch_register_name (gdbarch, m32r_register_name);
set_gdbarch_register_type (gdbarch, m32r_register_type);
set_gdbarch_push_dummy_call (gdbarch, m32r_push_dummy_call);
set_gdbarch_return_value (gdbarch, m32r_return_value);
set_gdbarch_skip_prologue (gdbarch, m32r_skip_prologue);
set_gdbarch_inner_than (gdbarch, core_addr_lessthan);
set_gdbarch_breakpoint_from_pc (gdbarch, m32r_breakpoint_from_pc);
set_gdbarch_memory_insert_breakpoint (gdbarch,
m32r_memory_insert_breakpoint);
set_gdbarch_memory_remove_breakpoint (gdbarch,
m32r_memory_remove_breakpoint);
set_gdbarch_frame_align (gdbarch, m32r_frame_align);
frame_base_set_default (gdbarch, &m32r_frame_base);
/* Methods for saving / extracting a dummy frame's ID. The ID's
stack address must match the SP value returned by
PUSH_DUMMY_CALL, and saved by generic_save_dummy_frame_tos. */
set_gdbarch_unwind_dummy_id (gdbarch, m32r_unwind_dummy_id);
/* Return the unwound PC value. */
set_gdbarch_unwind_pc (gdbarch, m32r_unwind_pc);
set_gdbarch_print_insn (gdbarch, print_insn_m32r);
/* Hook in ABI-specific overrides, if they have been registered. */
gdbarch_init_osabi (info, gdbarch);
/* Hook in the default unwinders. */
frame_unwind_append_sniffer (gdbarch, m32r_frame_sniffer);
return gdbarch;
}
void
_initialize_m32r_tdep (void)
{
register_gdbarch_init (bfd_arch_m32r, m32r_gdbarch_init);
}