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.
371 lines
11 KiB
C
371 lines
11 KiB
C
/* Target-dependent code for NetBSD/sparc.
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Copyright (C) 2002-2013 Free Software Foundation, Inc.
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Contributed by Wasabi Systems, 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 "frame.h"
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#include "frame-unwind.h"
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#include "gdbcore.h"
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#include "gdbtypes.h"
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#include "osabi.h"
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#include "regcache.h"
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#include "regset.h"
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#include "solib-svr4.h"
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#include "symtab.h"
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#include "trad-frame.h"
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#include "gdb_assert.h"
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#include <string.h>
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#include "sparc-tdep.h"
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#include "nbsd-tdep.h"
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/* Macros to extract fields from SPARC instructions. */
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#define X_RS1(i) (((i) >> 14) & 0x1f)
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#define X_RS2(i) ((i) & 0x1f)
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#define X_I(i) (((i) >> 13) & 1)
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const struct sparc_gregset sparc32nbsd_gregset =
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{
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0 * 4, /* %psr */
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1 * 4, /* %pc */
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2 * 4, /* %npc */
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3 * 4, /* %y */
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-1, /* %wim */
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-1, /* %tbr */
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5 * 4, /* %g1 */
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-1 /* %l0 */
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};
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static void
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sparc32nbsd_supply_gregset (const struct regset *regset,
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struct regcache *regcache,
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int regnum, const void *gregs, size_t len)
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{
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sparc32_supply_gregset (&sparc32nbsd_gregset, regcache, regnum, gregs);
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/* Traditional NetBSD core files don't use multiple register sets.
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Instead, the general-purpose and floating-point registers are
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lumped together in a single section. */
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if (len >= 212)
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sparc32_supply_fpregset (&sparc32_bsd_fpregset, regcache, regnum,
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(const char *) gregs + 80);
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}
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static void
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sparc32nbsd_supply_fpregset (const struct regset *regset,
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struct regcache *regcache,
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int regnum, const void *fpregs, size_t len)
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{
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sparc32_supply_fpregset (&sparc32_bsd_fpregset, regcache, regnum, fpregs);
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}
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/* Signal trampolines. */
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/* The following variables describe the location of an on-stack signal
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trampoline. The current values correspond to the memory layout for
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NetBSD 1.3 and up. These shouldn't be necessary for NetBSD 2.0 and
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up, since NetBSD uses signal trampolines provided by libc now. */
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static const CORE_ADDR sparc32nbsd_sigtramp_start = 0xeffffef0;
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static const CORE_ADDR sparc32nbsd_sigtramp_end = 0xeffffff0;
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static int
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sparc32nbsd_pc_in_sigtramp (CORE_ADDR pc, const char *name)
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{
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if (pc >= sparc32nbsd_sigtramp_start && pc < sparc32nbsd_sigtramp_end)
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return 1;
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return nbsd_pc_in_sigtramp (pc, name);
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}
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struct trad_frame_saved_reg *
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sparc32nbsd_sigcontext_saved_regs (struct frame_info *this_frame)
|
||
{
|
||
struct gdbarch *gdbarch = get_frame_arch (this_frame);
|
||
struct trad_frame_saved_reg *saved_regs;
|
||
CORE_ADDR addr, sigcontext_addr;
|
||
int regnum, delta;
|
||
ULONGEST psr;
|
||
|
||
saved_regs = trad_frame_alloc_saved_regs (this_frame);
|
||
|
||
/* We find the appropriate instance of `struct sigcontext' at a
|
||
fixed offset in the signal frame. */
|
||
addr = get_frame_register_unsigned (this_frame, SPARC_FP_REGNUM);
|
||
sigcontext_addr = addr + 64 + 16;
|
||
|
||
/* The registers are saved in bits and pieces scattered all over the
|
||
place. The code below records their location on the assumption
|
||
that the part of the signal trampoline that saves the state has
|
||
been executed. */
|
||
|
||
saved_regs[SPARC_SP_REGNUM].addr = sigcontext_addr + 8;
|
||
saved_regs[SPARC32_PC_REGNUM].addr = sigcontext_addr + 12;
|
||
saved_regs[SPARC32_NPC_REGNUM].addr = sigcontext_addr + 16;
|
||
saved_regs[SPARC32_PSR_REGNUM].addr = sigcontext_addr + 20;
|
||
saved_regs[SPARC_G1_REGNUM].addr = sigcontext_addr + 24;
|
||
saved_regs[SPARC_O0_REGNUM].addr = sigcontext_addr + 28;
|
||
|
||
/* The remaining `global' registers and %y are saved in the `local'
|
||
registers. */
|
||
delta = SPARC_L0_REGNUM - SPARC_G0_REGNUM;
|
||
for (regnum = SPARC_G2_REGNUM; regnum <= SPARC_G7_REGNUM; regnum++)
|
||
saved_regs[regnum].realreg = regnum + delta;
|
||
saved_regs[SPARC32_Y_REGNUM].realreg = SPARC_L1_REGNUM;
|
||
|
||
/* The remaining `out' registers can be found in the current frame's
|
||
`in' registers. */
|
||
delta = SPARC_I0_REGNUM - SPARC_O0_REGNUM;
|
||
for (regnum = SPARC_O1_REGNUM; regnum <= SPARC_O5_REGNUM; regnum++)
|
||
saved_regs[regnum].realreg = regnum + delta;
|
||
saved_regs[SPARC_O7_REGNUM].realreg = SPARC_I7_REGNUM;
|
||
|
||
/* The `local' and `in' registers have been saved in the register
|
||
save area. */
|
||
addr = saved_regs[SPARC_SP_REGNUM].addr;
|
||
addr = get_frame_memory_unsigned (this_frame, addr, 4);
|
||
for (regnum = SPARC_L0_REGNUM;
|
||
regnum <= SPARC_I7_REGNUM; regnum++, addr += 4)
|
||
saved_regs[regnum].addr = addr;
|
||
|
||
/* Handle StackGhost. */
|
||
{
|
||
ULONGEST wcookie = sparc_fetch_wcookie (gdbarch);
|
||
|
||
if (wcookie != 0)
|
||
{
|
||
ULONGEST i7;
|
||
|
||
addr = saved_regs[SPARC_I7_REGNUM].addr;
|
||
i7 = get_frame_memory_unsigned (this_frame, addr, 4);
|
||
trad_frame_set_value (saved_regs, SPARC_I7_REGNUM, i7 ^ wcookie);
|
||
}
|
||
}
|
||
|
||
/* The floating-point registers are only saved if the EF bit in %prs
|
||
has been set. */
|
||
|
||
#define PSR_EF 0x00001000
|
||
|
||
addr = saved_regs[SPARC32_PSR_REGNUM].addr;
|
||
psr = get_frame_memory_unsigned (this_frame, addr, 4);
|
||
if (psr & PSR_EF)
|
||
{
|
||
CORE_ADDR sp;
|
||
|
||
sp = get_frame_register_unsigned (this_frame, SPARC_SP_REGNUM);
|
||
saved_regs[SPARC32_FSR_REGNUM].addr = sp + 96;
|
||
for (regnum = SPARC_F0_REGNUM, addr = sp + 96 + 8;
|
||
regnum <= SPARC_F31_REGNUM; regnum++, addr += 4)
|
||
saved_regs[regnum].addr = addr;
|
||
}
|
||
|
||
return saved_regs;
|
||
}
|
||
|
||
static struct sparc_frame_cache *
|
||
sparc32nbsd_sigcontext_frame_cache (struct frame_info *this_frame,
|
||
void **this_cache)
|
||
{
|
||
struct sparc_frame_cache *cache;
|
||
CORE_ADDR addr;
|
||
|
||
if (*this_cache)
|
||
return *this_cache;
|
||
|
||
cache = sparc_frame_cache (this_frame, this_cache);
|
||
gdb_assert (cache == *this_cache);
|
||
|
||
/* If we couldn't find the frame's function, we're probably dealing
|
||
with an on-stack signal trampoline. */
|
||
if (cache->pc == 0)
|
||
{
|
||
cache->pc = sparc32nbsd_sigtramp_start;
|
||
|
||
/* Since we couldn't find the frame's function, the cache was
|
||
initialized under the assumption that we're frameless. */
|
||
sparc_record_save_insn (cache);
|
||
addr = get_frame_register_unsigned (this_frame, SPARC_FP_REGNUM);
|
||
cache->base = addr;
|
||
}
|
||
|
||
cache->saved_regs = sparc32nbsd_sigcontext_saved_regs (this_frame);
|
||
|
||
return cache;
|
||
}
|
||
|
||
static void
|
||
sparc32nbsd_sigcontext_frame_this_id (struct frame_info *this_frame,
|
||
void **this_cache,
|
||
struct frame_id *this_id)
|
||
{
|
||
struct sparc_frame_cache *cache =
|
||
sparc32nbsd_sigcontext_frame_cache (this_frame, this_cache);
|
||
|
||
(*this_id) = frame_id_build (cache->base, cache->pc);
|
||
}
|
||
|
||
static struct value *
|
||
sparc32nbsd_sigcontext_frame_prev_register (struct frame_info *this_frame,
|
||
void **this_cache, int regnum)
|
||
{
|
||
struct sparc_frame_cache *cache =
|
||
sparc32nbsd_sigcontext_frame_cache (this_frame, this_cache);
|
||
|
||
return trad_frame_get_prev_register (this_frame, cache->saved_regs, regnum);
|
||
}
|
||
|
||
static int
|
||
sparc32nbsd_sigcontext_frame_sniffer (const struct frame_unwind *self,
|
||
struct frame_info *this_frame,
|
||
void **this_cache)
|
||
{
|
||
CORE_ADDR pc = get_frame_pc (this_frame);
|
||
const char *name;
|
||
|
||
find_pc_partial_function (pc, &name, NULL, NULL);
|
||
if (sparc32nbsd_pc_in_sigtramp (pc, name))
|
||
{
|
||
if (name == NULL || strncmp (name, "__sigtramp_sigcontext", 21))
|
||
return 1;
|
||
}
|
||
|
||
return 0;
|
||
}
|
||
|
||
static const struct frame_unwind sparc32nbsd_sigcontext_frame_unwind =
|
||
{
|
||
SIGTRAMP_FRAME,
|
||
default_frame_unwind_stop_reason,
|
||
sparc32nbsd_sigcontext_frame_this_id,
|
||
sparc32nbsd_sigcontext_frame_prev_register,
|
||
NULL,
|
||
sparc32nbsd_sigcontext_frame_sniffer
|
||
};
|
||
|
||
/* Return the address of a system call's alternative return
|
||
address. */
|
||
|
||
CORE_ADDR
|
||
sparcnbsd_step_trap (struct frame_info *frame, unsigned long insn)
|
||
{
|
||
if ((X_I (insn) == 0 && X_RS1 (insn) == 0 && X_RS2 (insn) == 0)
|
||
|| (X_I (insn) == 1 && X_RS1 (insn) == 0 && (insn & 0x7f) == 0))
|
||
{
|
||
/* "New" system call. */
|
||
ULONGEST number = get_frame_register_unsigned (frame, SPARC_G1_REGNUM);
|
||
|
||
if (number & 0x400)
|
||
return get_frame_register_unsigned (frame, SPARC_G2_REGNUM);
|
||
if (number & 0x800)
|
||
return get_frame_register_unsigned (frame, SPARC_G7_REGNUM);
|
||
}
|
||
|
||
return 0;
|
||
}
|
||
|
||
|
||
static void
|
||
sparc32nbsd_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
|
||
{
|
||
struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
|
||
|
||
/* NetBSD doesn't support the 128-bit `long double' from the psABI. */
|
||
set_gdbarch_long_double_bit (gdbarch, 64);
|
||
set_gdbarch_long_double_format (gdbarch, floatformats_ieee_double);
|
||
|
||
tdep->gregset = regset_alloc (gdbarch, sparc32nbsd_supply_gregset, NULL);
|
||
tdep->sizeof_gregset = 20 * 4;
|
||
|
||
tdep->fpregset = regset_alloc (gdbarch, sparc32nbsd_supply_fpregset, NULL);
|
||
tdep->sizeof_fpregset = 33 * 4;
|
||
|
||
/* Make sure we can single-step "new" syscalls. */
|
||
tdep->step_trap = sparcnbsd_step_trap;
|
||
|
||
frame_unwind_append_unwinder (gdbarch, &sparc32nbsd_sigcontext_frame_unwind);
|
||
}
|
||
|
||
static void
|
||
sparc32nbsd_aout_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
|
||
{
|
||
sparc32nbsd_init_abi (info, gdbarch);
|
||
}
|
||
|
||
void
|
||
sparc32nbsd_elf_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
|
||
{
|
||
sparc32nbsd_init_abi (info, gdbarch);
|
||
|
||
set_solib_svr4_fetch_link_map_offsets
|
||
(gdbarch, svr4_ilp32_fetch_link_map_offsets);
|
||
}
|
||
|
||
static enum gdb_osabi
|
||
sparcnbsd_aout_osabi_sniffer (bfd *abfd)
|
||
{
|
||
if (strcmp (bfd_get_target (abfd), "a.out-sparc-netbsd") == 0)
|
||
return GDB_OSABI_NETBSD_AOUT;
|
||
|
||
return GDB_OSABI_UNKNOWN;
|
||
}
|
||
|
||
/* OpenBSD uses the traditional NetBSD core file format, even for
|
||
ports that use ELF. Therefore, if the default OS ABI is OpenBSD
|
||
ELF, we return that instead of NetBSD a.out. This is mainly for
|
||
the benfit of OpenBSD/sparc64, which inherits the sniffer below
|
||
since we include this file for an OpenBSD/sparc64 target. For
|
||
OpenBSD/sparc, the NetBSD a.out OS ABI is probably similar enough
|
||
to both the OpenBSD a.out and the OpenBSD ELF OS ABI. */
|
||
#if defined (GDB_OSABI_DEFAULT) && (GDB_OSABI_DEFAULT == GDB_OSABI_OPENBSD_ELF)
|
||
#define GDB_OSABI_NETBSD_CORE GDB_OSABI_OPENBSD_ELF
|
||
#else
|
||
#define GDB_OSABI_NETBSD_CORE GDB_OSABI_NETBSD_AOUT
|
||
#endif
|
||
|
||
static enum gdb_osabi
|
||
sparcnbsd_core_osabi_sniffer (bfd *abfd)
|
||
{
|
||
if (strcmp (bfd_get_target (abfd), "netbsd-core") == 0)
|
||
return GDB_OSABI_NETBSD_CORE;
|
||
|
||
return GDB_OSABI_UNKNOWN;
|
||
}
|
||
|
||
|
||
/* Provide a prototype to silence -Wmissing-prototypes. */
|
||
void _initialize_sparcnbsd_tdep (void);
|
||
|
||
void
|
||
_initialize_sparcnbsd_tdep (void)
|
||
{
|
||
gdbarch_register_osabi_sniffer (bfd_arch_sparc, bfd_target_aout_flavour,
|
||
sparcnbsd_aout_osabi_sniffer);
|
||
|
||
/* BFD doesn't set a flavour for NetBSD style a.out core files. */
|
||
gdbarch_register_osabi_sniffer (bfd_arch_sparc, bfd_target_unknown_flavour,
|
||
sparcnbsd_core_osabi_sniffer);
|
||
|
||
gdbarch_register_osabi (bfd_arch_sparc, 0, GDB_OSABI_NETBSD_AOUT,
|
||
sparc32nbsd_aout_init_abi);
|
||
gdbarch_register_osabi (bfd_arch_sparc, 0, GDB_OSABI_NETBSD_ELF,
|
||
sparc32nbsd_elf_init_abi);
|
||
}
|