mirror of
https://sourceware.org/git/binutils-gdb.git
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6d3d12ebef
This commit includes string.h in common-defs.h and removes all other inclusions. gdb/ 2014-08-07 Gary Benson <gbenson@redhat.com> * common/common-defs.h: Include string.h. * aarch64-tdep.c: Do not include string.h. * ada-exp.y: Likewise. * ada-lang.c: Likewise. * ada-lex.l: Likewise. * ada-typeprint.c: Likewise. * ada-valprint.c: Likewise. * aix-thread.c: Likewise. * alpha-linux-tdep.c: Likewise. * alpha-mdebug-tdep.c: Likewise. * alpha-nat.c: Likewise. * alpha-osf1-tdep.c: Likewise. * alpha-tdep.c: Likewise. * alphanbsd-tdep.c: Likewise. * amd64-dicos-tdep.c: Likewise. * amd64-linux-tdep.c: Likewise. * amd64-nat.c: Likewise. * amd64-sol2-tdep.c: Likewise. * amd64fbsd-tdep.c: Likewise. * amd64obsd-tdep.c: Likewise. * arch-utils.c: Likewise. * arm-linux-nat.c: Likewise. * arm-linux-tdep.c: Likewise. * arm-tdep.c: Likewise. * arm-wince-tdep.c: Likewise. * armbsd-tdep.c: Likewise. * armnbsd-nat.c: Likewise. * armnbsd-tdep.c: Likewise. * armobsd-tdep.c: Likewise. * avr-tdep.c: Likewise. * ax-gdb.c: Likewise. * ax-general.c: Likewise. * bcache.c: Likewise. * bfin-tdep.c: Likewise. * breakpoint.c: Likewise. * build-id.c: Likewise. * buildsym.c: Likewise. * c-exp.y: Likewise. * c-lang.c: Likewise. * c-typeprint.c: Likewise. * c-valprint.c: Likewise. * charset.c: Likewise. * cli-out.c: Likewise. * cli/cli-cmds.c: Likewise. * cli/cli-decode.c: Likewise. * cli/cli-dump.c: Likewise. * cli/cli-interp.c: Likewise. * cli/cli-logging.c: Likewise. * cli/cli-script.c: Likewise. * cli/cli-setshow.c: Likewise. * cli/cli-utils.c: Likewise. * coffread.c: Likewise. * common/agent.c: Likewise. * common/buffer.c: Likewise. * common/buffer.h: Likewise. * common/common-utils.c: Likewise. * common/filestuff.c: Likewise. * common/filestuff.c: Likewise. * common/format.c: Likewise. * common/print-utils.c: Likewise. * common/rsp-low.c: Likewise. * common/signals.c: Likewise. * common/vec.h: Likewise. * common/xml-utils.c: Likewise. * core-regset.c: Likewise. * corefile.c: Likewise. * corelow.c: Likewise. * cp-abi.c: Likewise. * cp-name-parser.y: Likewise. * cp-support.c: Likewise. * cp-valprint.c: Likewise. * cris-tdep.c: Likewise. * d-exp.y: Likewise. * darwin-nat.c: Likewise. * dbxread.c: Likewise. * dcache.c: Likewise. * demangle.c: Likewise. * dicos-tdep.c: Likewise. * disasm.c: Likewise. * doublest.c: Likewise. * dsrec.c: Likewise. * dummy-frame.c: Likewise. * dwarf2-frame.c: Likewise. * dwarf2loc.c: Likewise. * dwarf2read.c: Likewise. * elfread.c: Likewise. * environ.c: Likewise. * eval.c: Likewise. * event-loop.c: Likewise. * exceptions.c: Likewise. * exec.c: Likewise. * expprint.c: Likewise. * f-exp.y: Likewise. * f-lang.c: Likewise. * f-typeprint.c: Likewise. * f-valprint.c: Likewise. * fbsd-nat.c: Likewise. * findcmd.c: Likewise. * findvar.c: Likewise. * fork-child.c: Likewise. * frame.c: Likewise. * frv-linux-tdep.c: Likewise. * frv-tdep.c: Likewise. * gdb.c: Likewise. * gdb_bfd.c: Likewise. * gdbarch.c: Likewise. * gdbarch.sh: Likewise. * gdbtypes.c: Likewise. * gnu-nat.c: Likewise. * gnu-v2-abi.c: Likewise. * gnu-v3-abi.c: Likewise. * go-exp.y: Likewise. * go-lang.c: Likewise. * go32-nat.c: Likewise. * guile/guile.c: Likewise. * guile/scm-auto-load.c: Likewise. * hppa-hpux-tdep.c: Likewise. * hppa-linux-nat.c: Likewise. * hppanbsd-tdep.c: Likewise. * hppaobsd-tdep.c: Likewise. * i386-cygwin-tdep.c: Likewise. * i386-dicos-tdep.c: Likewise. * i386-linux-tdep.c: Likewise. * i386-nto-tdep.c: Likewise. * i386-sol2-tdep.c: Likewise. * i386-tdep.c: Likewise. * i386bsd-tdep.c: Likewise. * i386gnu-nat.c: Likewise. * i386nbsd-tdep.c: Likewise. * i386obsd-tdep.c: Likewise. * i387-tdep.c: Likewise. * ia64-libunwind-tdep.c: Likewise. * ia64-linux-nat.c: Likewise. * inf-child.c: Likewise. * inf-ptrace.c: Likewise. * inf-ttrace.c: Likewise. * infcall.c: Likewise. * infcmd.c: Likewise. * inflow.c: Likewise. * infrun.c: Likewise. * interps.c: Likewise. * iq2000-tdep.c: Likewise. * irix5-nat.c: Likewise. * jv-exp.y: Likewise. * jv-lang.c: Likewise. * jv-typeprint.c: Likewise. * jv-valprint.c: Likewise. * language.c: Likewise. * linux-fork.c: Likewise. * linux-nat.c: Likewise. * lm32-tdep.c: Likewise. * m2-exp.y: Likewise. * m2-typeprint.c: Likewise. * m32c-tdep.c: Likewise. * m32r-linux-nat.c: Likewise. * m32r-linux-tdep.c: Likewise. * m32r-rom.c: Likewise. * m32r-tdep.c: Likewise. * m68hc11-tdep.c: Likewise. * m68k-tdep.c: Likewise. * m68kbsd-tdep.c: Likewise. * m68klinux-nat.c: Likewise. * m68klinux-tdep.c: Likewise. * m88k-tdep.c: Likewise. * machoread.c: Likewise. * macrocmd.c: Likewise. * main.c: Likewise. * mdebugread.c: Likewise. * mem-break.c: Likewise. * memattr.c: Likewise. * memory-map.c: Likewise. * mep-tdep.c: Likewise. * mi/mi-cmd-break.c: Likewise. * mi/mi-cmd-disas.c: Likewise. * mi/mi-cmd-env.c: Likewise. * mi/mi-cmd-stack.c: Likewise. * mi/mi-cmd-var.c: Likewise. * mi/mi-cmds.c: Likewise. * mi/mi-console.c: Likewise. * mi/mi-getopt.c: Likewise. * mi/mi-interp.c: Likewise. * mi/mi-main.c: Likewise. * mi/mi-parse.c: Likewise. * microblaze-rom.c: Likewise. * microblaze-tdep.c: Likewise. * mingw-hdep.c: Likewise. * minidebug.c: Likewise. * minsyms.c: Likewise. * mips-irix-tdep.c: Likewise. * mips-linux-tdep.c: Likewise. * mips-tdep.c: Likewise. * mips64obsd-tdep.c: Likewise. * mipsnbsd-tdep.c: Likewise. * mipsread.c: Likewise. * mn10300-linux-tdep.c: Likewise. * mn10300-tdep.c: Likewise. * monitor.c: Likewise. * moxie-tdep.c: Likewise. * mt-tdep.c: Likewise. * nat/linux-btrace.c: Likewise. * nat/linux-osdata.c: Likewise. * nat/linux-procfs.c: Likewise. * nat/linux-ptrace.c: Likewise. * nat/linux-waitpid.c: Likewise. * nbsd-tdep.c: Likewise. * nios2-linux-tdep.c: Likewise. * nto-procfs.c: Likewise. * nto-tdep.c: Likewise. * objc-lang.c: Likewise. * objfiles.c: Likewise. * opencl-lang.c: Likewise. * osabi.c: Likewise. * osdata.c: Likewise. * p-exp.y: Likewise. * p-lang.c: Likewise. * p-typeprint.c: Likewise. * parse.c: Likewise. * posix-hdep.c: Likewise. * ppc-linux-nat.c: Likewise. * ppc-sysv-tdep.c: Likewise. * ppcfbsd-tdep.c: Likewise. * ppcnbsd-tdep.c: Likewise. * ppcobsd-tdep.c: Likewise. * printcmd.c: Likewise. * procfs.c: Likewise. * prologue-value.c: Likewise. * python/py-auto-load.c: Likewise. * python/py-gdb-readline.c: Likewise. * ravenscar-thread.c: Likewise. * regcache.c: Likewise. * registry.c: Likewise. * remote-fileio.c: Likewise. * remote-m32r-sdi.c: Likewise. * remote-mips.c: Likewise. * remote-notif.c: Likewise. * remote-sim.c: Likewise. * remote.c: Likewise. * reverse.c: Likewise. * rs6000-aix-tdep.c: Likewise. * ser-base.c: Likewise. * ser-go32.c: Likewise. * ser-mingw.c: Likewise. * ser-pipe.c: Likewise. * ser-tcp.c: Likewise. * ser-unix.c: Likewise. * serial.c: Likewise. * sh-tdep.c: Likewise. * sh64-tdep.c: Likewise. * shnbsd-tdep.c: Likewise. * skip.c: Likewise. * sol-thread.c: Likewise. * solib-dsbt.c: Likewise. * solib-frv.c: Likewise. * solib-osf.c: Likewise. * solib-som.c: Likewise. * solib-spu.c: Likewise. * solib-target.c: Likewise. * solib.c: Likewise. * somread.c: Likewise. * source.c: Likewise. * sparc-nat.c: Likewise. * sparc-sol2-tdep.c: Likewise. * sparc-tdep.c: Likewise. * sparc64-tdep.c: Likewise. * sparc64fbsd-tdep.c: Likewise. * sparc64nbsd-tdep.c: Likewise. * sparcnbsd-tdep.c: Likewise. * spu-linux-nat.c: Likewise. * spu-multiarch.c: Likewise. * spu-tdep.c: Likewise. * stabsread.c: Likewise. * stack.c: Likewise. * std-regs.c: Likewise. * symfile.c: Likewise. * symmisc.c: Likewise. * symtab.c: Likewise. * target.c: Likewise. * thread.c: Likewise. * tilegx-linux-nat.c: Likewise. * tilegx-tdep.c: Likewise. * top.c: Likewise. * tracepoint.c: Likewise. * tui/tui-command.c: Likewise. * tui/tui-data.c: Likewise. * tui/tui-disasm.c: Likewise. * tui/tui-file.c: Likewise. * tui/tui-layout.c: Likewise. * tui/tui-out.c: Likewise. * tui/tui-regs.c: Likewise. * tui/tui-source.c: Likewise. * tui/tui-stack.c: Likewise. * tui/tui-win.c: Likewise. * tui/tui-windata.c: Likewise. * tui/tui-winsource.c: Likewise. * typeprint.c: Likewise. * ui-file.c: Likewise. * ui-out.c: Likewise. * user-regs.c: Likewise. * utils.c: Likewise. * v850-tdep.c: Likewise. * valarith.c: Likewise. * valops.c: Likewise. * valprint.c: Likewise. * value.c: Likewise. * varobj.c: Likewise. * vax-tdep.c: Likewise. * vaxnbsd-tdep.c: Likewise. * vaxobsd-tdep.c: Likewise. * windows-nat.c: Likewise. * xcoffread.c: Likewise. * xml-support.c: Likewise. * xstormy16-tdep.c: Likewise. * xtensa-linux-nat.c: Likewise. gdb/gdbserver/ 2014-08-07 Gary Benson <gbenson@redhat.com> * server.h: Do not include string.h. * event-loop.c: Likewise. * linux-low.c: Likewise. * regcache.c: Likewise. * remote-utils.c: Likewise. * spu-low.c: Likewise. * utils.c: Likewise.
179 lines
5.3 KiB
C
179 lines
5.3 KiB
C
/* Target-dependent code for OpenBSD/vax.
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Copyright (C) 2005-2014 Free Software Foundation, Inc.
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This file is part of GDB.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>. */
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#include "defs.h"
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#include "arch-utils.h"
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#include "frame.h"
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#include "frame-unwind.h"
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#include "osabi.h"
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#include "symtab.h"
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#include "trad-frame.h"
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#include "vax-tdep.h"
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/* Signal trampolines. */
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/* Since OpenBSD 3.2, the sigtramp routine is mapped at a random page
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in virtual memory. The randomness makes it somewhat tricky to
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detect it, but fortunately we can rely on the fact that the start
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of the sigtramp routine is page-aligned. We recognize the
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trampoline by looking for the code that invokes the sigreturn
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system call. The offset where we can find that code varies from
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release to release.
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By the way, the mapping mentioned above is read-only, so you cannot
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place a breakpoint in the signal trampoline. */
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/* Default page size. */
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static const int vaxobsd_page_size = 4096;
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/* Offset for sigreturn(2). */
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static const int vaxobsd_sigreturn_offset = 0x11;
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/* Instruction sequence for sigreturn(2). VAX doesn't have
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fixed-length instructions so we include the ensuing exit(2) to
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reduce the chance of spurious matches. */
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static const gdb_byte vaxobsd_sigreturn[] = {
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0xbc, 0x8f, 0x67, 0x00, /* chmk $SYS_sigreturn */
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0xbc, 0x01 /* chmk $SYS_exit */
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};
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static int
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vaxobsd_sigtramp_sniffer (const struct frame_unwind *self,
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struct frame_info *this_frame,
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void **this_cache)
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{
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CORE_ADDR pc = get_frame_pc (this_frame);
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CORE_ADDR start_pc = (pc & ~(vaxobsd_page_size - 1));
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CORE_ADDR sigreturn_addr = start_pc + vaxobsd_sigreturn_offset;
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gdb_byte *buf;
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const char *name;
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find_pc_partial_function (pc, &name, NULL, NULL);
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if (name)
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return 0;
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buf = alloca(sizeof vaxobsd_sigreturn);
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if (!safe_frame_unwind_memory (this_frame, sigreturn_addr,
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buf, sizeof vaxobsd_sigreturn))
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return 0;
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if (memcmp(buf, vaxobsd_sigreturn, sizeof vaxobsd_sigreturn) == 0)
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return 1;
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return 0;
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}
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static struct trad_frame_cache *
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vaxobsd_sigtramp_frame_cache (struct frame_info *this_frame, void **this_cache)
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{
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struct trad_frame_cache *cache;
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CORE_ADDR addr, base, func;
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if (*this_cache)
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return *this_cache;
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cache = trad_frame_cache_zalloc (this_frame);
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*this_cache = cache;
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func = get_frame_pc (this_frame);
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func &= ~(vaxobsd_page_size - 1);
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base = get_frame_register_unsigned (this_frame, VAX_SP_REGNUM);
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addr = get_frame_memory_unsigned (this_frame, base - 4, 4);
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trad_frame_set_reg_addr (cache, VAX_SP_REGNUM, addr + 8);
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trad_frame_set_reg_addr (cache, VAX_FP_REGNUM, addr + 12);
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trad_frame_set_reg_addr (cache, VAX_AP_REGNUM, addr + 16);
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trad_frame_set_reg_addr (cache, VAX_PC_REGNUM, addr + 20);
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trad_frame_set_reg_addr (cache, VAX_PS_REGNUM, addr + 24);
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/* Construct the frame ID using the function start. */
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trad_frame_set_id (cache, frame_id_build (base, func));
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return cache;
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}
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static void
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vaxobsd_sigtramp_frame_this_id (struct frame_info *this_frame,
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void **this_cache, struct frame_id *this_id)
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{
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struct trad_frame_cache *cache =
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vaxobsd_sigtramp_frame_cache (this_frame, this_cache);
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trad_frame_get_id (cache, this_id);
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}
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static struct value *
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vaxobsd_sigtramp_frame_prev_register (struct frame_info *this_frame,
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void **this_cache, int regnum)
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{
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struct trad_frame_cache *cache =
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vaxobsd_sigtramp_frame_cache (this_frame, this_cache);
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return trad_frame_get_register (cache, this_frame, regnum);
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}
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static const struct frame_unwind vaxobsd_sigtramp_frame_unwind = {
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SIGTRAMP_FRAME,
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default_frame_unwind_stop_reason,
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vaxobsd_sigtramp_frame_this_id,
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vaxobsd_sigtramp_frame_prev_register,
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NULL,
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vaxobsd_sigtramp_sniffer
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};
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/* OpenBSD a.out. */
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static void
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vaxobsd_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
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{
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frame_unwind_append_unwinder (gdbarch, &vaxobsd_sigtramp_frame_unwind);
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}
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/* FIXME: kettenis/20050821: Since OpenBSD/vax binaries are
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indistingushable from NetBSD/vax a.out binaries, building a GDB
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that should support both these targets will probably not work as
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expected. */
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#define GDB_OSABI_OPENBSD_AOUT GDB_OSABI_NETBSD_AOUT
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static enum gdb_osabi
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vaxobsd_aout_osabi_sniffer (bfd *abfd)
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{
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if (strcmp (bfd_get_target (abfd), "a.out-vax-netbsd") == 0)
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return GDB_OSABI_OPENBSD_AOUT;
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return GDB_OSABI_UNKNOWN;
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}
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/* Provide a prototype to silence -Wmissing-prototypes. */
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void _initialize_vaxobsd_tdep (void);
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void
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_initialize_vaxobsd_tdep (void)
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{
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gdbarch_register_osabi_sniffer (bfd_arch_vax, bfd_target_aout_flavour,
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vaxobsd_aout_osabi_sniffer);
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gdbarch_register_osabi (bfd_arch_vax, 0, GDB_OSABI_OPENBSD_AOUT,
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vaxobsd_init_abi);
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}
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