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.
387 lines
11 KiB
C
387 lines
11 KiB
C
/* Target-dependent code for NetBSD/mips.
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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 "gdbcore.h"
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#include "regcache.h"
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#include "regset.h"
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#include "target.h"
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#include "value.h"
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#include "osabi.h"
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#include "gdb_assert.h"
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#include <string.h>
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#include "nbsd-tdep.h"
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#include "mipsnbsd-tdep.h"
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#include "mips-tdep.h"
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#include "solib-svr4.h"
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/* Shorthand for some register numbers used below. */
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#define MIPS_PC_REGNUM MIPS_EMBED_PC_REGNUM
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#define MIPS_FP0_REGNUM MIPS_EMBED_FP0_REGNUM
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#define MIPS_FSR_REGNUM MIPS_EMBED_FP0_REGNUM + 32
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/* Core file support. */
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/* Number of registers in `struct reg' from <machine/reg.h>. */
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#define MIPSNBSD_NUM_GREGS 38
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/* Number of registers in `struct fpreg' from <machine/reg.h>. */
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#define MIPSNBSD_NUM_FPREGS 33
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/* Supply register REGNUM from the buffer specified by FPREGS and LEN
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in the floating-point register set REGSET to register cache
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REGCACHE. If REGNUM is -1, do this for all registers in REGSET. */
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static void
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mipsnbsd_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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size_t regsize = mips_isa_regsize (get_regcache_arch (regcache));
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const char *regs = fpregs;
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int i;
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gdb_assert (len >= MIPSNBSD_NUM_FPREGS * regsize);
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for (i = MIPS_FP0_REGNUM; i <= MIPS_FSR_REGNUM; i++)
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{
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if (regnum == i || regnum == -1)
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regcache_raw_supply (regcache, i,
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regs + (i - MIPS_FP0_REGNUM) * regsize);
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}
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}
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/* Supply register REGNUM from the buffer specified by GREGS and LEN
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in the general-purpose register set REGSET to register cache
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REGCACHE. If REGNUM is -1, do this for all registers in REGSET. */
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static void
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mipsnbsd_supply_gregset (const struct regset *regset,
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struct regcache *regcache, int regnum,
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const void *gregs, size_t len)
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{
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size_t regsize = mips_isa_regsize (get_regcache_arch (regcache));
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const char *regs = gregs;
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int i;
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gdb_assert (len >= MIPSNBSD_NUM_GREGS * regsize);
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for (i = 0; i <= MIPS_PC_REGNUM; i++)
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{
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if (regnum == i || regnum == -1)
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regcache_raw_supply (regcache, i, regs + i * regsize);
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}
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if (len >= (MIPSNBSD_NUM_GREGS + MIPSNBSD_NUM_FPREGS) * regsize)
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{
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regs += MIPSNBSD_NUM_GREGS * regsize;
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len -= MIPSNBSD_NUM_GREGS * regsize;
|
||
mipsnbsd_supply_fpregset (regset, regcache, regnum, regs, len);
|
||
}
|
||
}
|
||
|
||
/* NetBSD/mips register sets. */
|
||
|
||
static struct regset mipsnbsd_gregset =
|
||
{
|
||
NULL,
|
||
mipsnbsd_supply_gregset
|
||
};
|
||
|
||
static struct regset mipsnbsd_fpregset =
|
||
{
|
||
NULL,
|
||
mipsnbsd_supply_fpregset
|
||
};
|
||
|
||
/* Return the appropriate register set for the core section identified
|
||
by SECT_NAME and SECT_SIZE. */
|
||
|
||
static const struct regset *
|
||
mipsnbsd_regset_from_core_section (struct gdbarch *gdbarch,
|
||
const char *sect_name, size_t sect_size)
|
||
{
|
||
size_t regsize = mips_isa_regsize (gdbarch);
|
||
|
||
if (strcmp (sect_name, ".reg") == 0
|
||
&& sect_size >= MIPSNBSD_NUM_GREGS * regsize)
|
||
return &mipsnbsd_gregset;
|
||
|
||
if (strcmp (sect_name, ".reg2") == 0
|
||
&& sect_size >= MIPSNBSD_NUM_FPREGS * regsize)
|
||
return &mipsnbsd_fpregset;
|
||
|
||
return NULL;
|
||
}
|
||
|
||
|
||
/* Conveniently, GDB uses the same register numbering as the
|
||
ptrace register structure used by NetBSD/mips. */
|
||
|
||
void
|
||
mipsnbsd_supply_reg (struct regcache *regcache, const char *regs, int regno)
|
||
{
|
||
struct gdbarch *gdbarch = get_regcache_arch (regcache);
|
||
int i;
|
||
|
||
for (i = 0; i <= gdbarch_pc_regnum (gdbarch); i++)
|
||
{
|
||
if (regno == i || regno == -1)
|
||
{
|
||
if (gdbarch_cannot_fetch_register (gdbarch, i))
|
||
regcache_raw_supply (regcache, i, NULL);
|
||
else
|
||
regcache_raw_supply (regcache, i,
|
||
regs + (i * mips_isa_regsize (gdbarch)));
|
||
}
|
||
}
|
||
}
|
||
|
||
void
|
||
mipsnbsd_fill_reg (const struct regcache *regcache, char *regs, int regno)
|
||
{
|
||
struct gdbarch *gdbarch = get_regcache_arch (regcache);
|
||
int i;
|
||
|
||
for (i = 0; i <= gdbarch_pc_regnum (gdbarch); i++)
|
||
if ((regno == i || regno == -1)
|
||
&& ! gdbarch_cannot_store_register (gdbarch, i))
|
||
regcache_raw_collect (regcache, i,
|
||
regs + (i * mips_isa_regsize (gdbarch)));
|
||
}
|
||
|
||
void
|
||
mipsnbsd_supply_fpreg (struct regcache *regcache,
|
||
const char *fpregs, int regno)
|
||
{
|
||
struct gdbarch *gdbarch = get_regcache_arch (regcache);
|
||
int i;
|
||
|
||
for (i = gdbarch_fp0_regnum (gdbarch);
|
||
i <= mips_regnum (gdbarch)->fp_implementation_revision;
|
||
i++)
|
||
{
|
||
if (regno == i || regno == -1)
|
||
{
|
||
if (gdbarch_cannot_fetch_register (gdbarch, i))
|
||
regcache_raw_supply (regcache, i, NULL);
|
||
else
|
||
regcache_raw_supply (regcache, i,
|
||
fpregs
|
||
+ ((i - gdbarch_fp0_regnum (gdbarch))
|
||
* mips_isa_regsize (gdbarch)));
|
||
}
|
||
}
|
||
}
|
||
|
||
void
|
||
mipsnbsd_fill_fpreg (const struct regcache *regcache, char *fpregs, int regno)
|
||
{
|
||
struct gdbarch *gdbarch = get_regcache_arch (regcache);
|
||
int i;
|
||
|
||
for (i = gdbarch_fp0_regnum (gdbarch);
|
||
i <= mips_regnum (gdbarch)->fp_control_status;
|
||
i++)
|
||
if ((regno == i || regno == -1)
|
||
&& ! gdbarch_cannot_store_register (gdbarch, i))
|
||
regcache_raw_collect (regcache, i,
|
||
fpregs + ((i - gdbarch_fp0_regnum (gdbarch))
|
||
* mips_isa_regsize (gdbarch)));
|
||
}
|
||
|
||
/* Under NetBSD/mips, signal handler invocations can be identified by the
|
||
designated code sequence that is used to return from a signal handler.
|
||
In particular, the return address of a signal handler points to the
|
||
following code sequence:
|
||
|
||
addu a0, sp, 16
|
||
li v0, 295 # __sigreturn14
|
||
syscall
|
||
|
||
Each instruction has a unique encoding, so we simply attempt to match
|
||
the instruction the PC is pointing to with any of the above instructions.
|
||
If there is a hit, we know the offset to the start of the designated
|
||
sequence and can then check whether we really are executing in the
|
||
signal trampoline. If not, -1 is returned, otherwise the offset from the
|
||
start of the return sequence is returned. */
|
||
|
||
#define RETCODE_NWORDS 3
|
||
#define RETCODE_SIZE (RETCODE_NWORDS * 4)
|
||
|
||
static const unsigned char sigtramp_retcode_mipsel[RETCODE_SIZE] =
|
||
{
|
||
0x10, 0x00, 0xa4, 0x27, /* addu a0, sp, 16 */
|
||
0x27, 0x01, 0x02, 0x24, /* li v0, 295 */
|
||
0x0c, 0x00, 0x00, 0x00, /* syscall */
|
||
};
|
||
|
||
static const unsigned char sigtramp_retcode_mipseb[RETCODE_SIZE] =
|
||
{
|
||
0x27, 0xa4, 0x00, 0x10, /* addu a0, sp, 16 */
|
||
0x24, 0x02, 0x01, 0x27, /* li v0, 295 */
|
||
0x00, 0x00, 0x00, 0x0c, /* syscall */
|
||
};
|
||
|
||
/* Figure out where the longjmp will land. We expect that we have
|
||
just entered longjmp and haven't yet setup the stack frame, so the
|
||
args are still in the argument regs. MIPS_A0_REGNUM points at the
|
||
jmp_buf structure from which we extract the PC that we will land
|
||
at. The PC is copied into *pc. This routine returns true on
|
||
success. */
|
||
|
||
#define NBSD_MIPS_JB_PC (2 * 4)
|
||
#define NBSD_MIPS_JB_ELEMENT_SIZE(gdbarch) mips_isa_regsize (gdbarch)
|
||
#define NBSD_MIPS_JB_OFFSET(gdbarch) (NBSD_MIPS_JB_PC * \
|
||
NBSD_MIPS_JB_ELEMENT_SIZE (gdbarch))
|
||
|
||
static int
|
||
mipsnbsd_get_longjmp_target (struct frame_info *frame, CORE_ADDR *pc)
|
||
{
|
||
struct gdbarch *gdbarch = get_frame_arch (frame);
|
||
enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
|
||
CORE_ADDR jb_addr;
|
||
gdb_byte *buf;
|
||
|
||
buf = alloca (NBSD_MIPS_JB_ELEMENT_SIZE (gdbarch));
|
||
|
||
jb_addr = get_frame_register_unsigned (frame, MIPS_A0_REGNUM);
|
||
|
||
if (target_read_memory (jb_addr + NBSD_MIPS_JB_OFFSET (gdbarch), buf,
|
||
NBSD_MIPS_JB_ELEMENT_SIZE (gdbarch)))
|
||
return 0;
|
||
|
||
*pc = extract_unsigned_integer (buf, NBSD_MIPS_JB_ELEMENT_SIZE (gdbarch),
|
||
byte_order);
|
||
return 1;
|
||
}
|
||
|
||
static int
|
||
mipsnbsd_cannot_fetch_register (struct gdbarch *gdbarch, int regno)
|
||
{
|
||
return (regno == MIPS_ZERO_REGNUM
|
||
|| regno == mips_regnum (gdbarch)->fp_implementation_revision);
|
||
}
|
||
|
||
static int
|
||
mipsnbsd_cannot_store_register (struct gdbarch *gdbarch, int regno)
|
||
{
|
||
return (regno == MIPS_ZERO_REGNUM
|
||
|| regno == mips_regnum (gdbarch)->fp_implementation_revision);
|
||
}
|
||
|
||
/* Shared library support. */
|
||
|
||
/* NetBSD/mips uses a slightly different `struct link_map' than the
|
||
other NetBSD platforms. */
|
||
|
||
static struct link_map_offsets *
|
||
mipsnbsd_ilp32_fetch_link_map_offsets (void)
|
||
{
|
||
static struct link_map_offsets lmo;
|
||
static struct link_map_offsets *lmp = NULL;
|
||
|
||
if (lmp == NULL)
|
||
{
|
||
lmp = &lmo;
|
||
|
||
lmo.r_version_offset = 0;
|
||
lmo.r_version_size = 4;
|
||
lmo.r_map_offset = 4;
|
||
lmo.r_brk_offset = 8;
|
||
lmo.r_ldsomap_offset = -1;
|
||
|
||
/* Everything we need is in the first 24 bytes. */
|
||
lmo.link_map_size = 24;
|
||
lmo.l_addr_offset = 4;
|
||
lmo.l_name_offset = 8;
|
||
lmo.l_ld_offset = 12;
|
||
lmo.l_next_offset = 16;
|
||
lmo.l_prev_offset = 20;
|
||
}
|
||
|
||
return lmp;
|
||
}
|
||
|
||
static struct link_map_offsets *
|
||
mipsnbsd_lp64_fetch_link_map_offsets (void)
|
||
{
|
||
static struct link_map_offsets lmo;
|
||
static struct link_map_offsets *lmp = NULL;
|
||
|
||
if (lmp == NULL)
|
||
{
|
||
lmp = &lmo;
|
||
|
||
lmo.r_version_offset = 0;
|
||
lmo.r_version_size = 4;
|
||
lmo.r_map_offset = 8;
|
||
lmo.r_brk_offset = 16;
|
||
lmo.r_ldsomap_offset = -1;
|
||
|
||
/* Everything we need is in the first 40 bytes. */
|
||
lmo.link_map_size = 48;
|
||
lmo.l_addr_offset = 0;
|
||
lmo.l_name_offset = 16;
|
||
lmo.l_ld_offset = 24;
|
||
lmo.l_next_offset = 32;
|
||
lmo.l_prev_offset = 40;
|
||
}
|
||
|
||
return lmp;
|
||
}
|
||
|
||
|
||
static void
|
||
mipsnbsd_init_abi (struct gdbarch_info info,
|
||
struct gdbarch *gdbarch)
|
||
{
|
||
set_gdbarch_regset_from_core_section
|
||
(gdbarch, mipsnbsd_regset_from_core_section);
|
||
|
||
set_gdbarch_get_longjmp_target (gdbarch, mipsnbsd_get_longjmp_target);
|
||
|
||
set_gdbarch_cannot_fetch_register (gdbarch, mipsnbsd_cannot_fetch_register);
|
||
set_gdbarch_cannot_store_register (gdbarch, mipsnbsd_cannot_store_register);
|
||
|
||
set_gdbarch_software_single_step (gdbarch, mips_software_single_step);
|
||
|
||
/* NetBSD/mips has SVR4-style shared libraries. */
|
||
set_solib_svr4_fetch_link_map_offsets
|
||
(gdbarch, (gdbarch_ptr_bit (gdbarch) == 32 ?
|
||
mipsnbsd_ilp32_fetch_link_map_offsets :
|
||
mipsnbsd_lp64_fetch_link_map_offsets));
|
||
}
|
||
|
||
|
||
/* Provide a prototype to silence -Wmissing-prototypes. */
|
||
extern initialize_file_ftype _initialize_mipsnbsd_tdep;
|
||
|
||
void
|
||
_initialize_mipsnbsd_tdep (void)
|
||
{
|
||
gdbarch_register_osabi (bfd_arch_mips, 0, GDB_OSABI_NETBSD_ELF,
|
||
mipsnbsd_init_abi);
|
||
}
|