mirror of
https://github.com/darlinghq/darling-gdb.git
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197e01b6dc
* arm-tdep.c: * ia64-tdep.c: * i386-tdep.c: * hpread.c: * hppa-tdep.c: * hppa-hpux-tdep.c: * gnu-nat.c: * gdbtypes.c: * gdbarch.h: * gdbarch.c: * eval.c: * dwarf2read.c: * dbxread.c: * copying: * symfile.c: * stabsread.c: * sh64-tdep.c: * sh-tdep.c: * s390-tdep.c: * rs6000-tdep.c: * remote.c: * remote-mips.c: * mips-tdep.c: * mdebugread.c: * linux-nat.c: * infrun.c: * xcoffread.c: * win32-nat.c: * valops.c: * utils.c: * tracepoint.c: * target.c: * symtab.c: * c-exp.y: * ada-valprint.c: * ada-typeprint.c: * ada-lex.l: * ada-lang.h: * ada-lang.c: * ada-exp.y: * alphafbsd-tdep.c: * alphabsd-tdep.h: * alphabsd-tdep.c: * alphabsd-nat.c: * alpha-tdep.h: * alpha-tdep.c: * alpha-osf1-tdep.c: * alpha-nat.c: * alpha-mdebug-tdep.c: * alpha-linux-tdep.c: * alpha-linux-nat.c: * aix-thread.c: * abug-rom.c: * arch-utils.c: * annotate.h: * annotate.c: * amd64obsd-tdep.c: * amd64obsd-nat.c: * amd64nbsd-tdep.c: * amd64nbsd-nat.c: * amd64fbsd-tdep.c: * amd64fbsd-nat.c: * amd64bsd-nat.c: * amd64-tdep.h: * amd64-tdep.c: * amd64-sol2-tdep.c: * amd64-nat.h: * amd64-nat.c: * amd64-linux-tdep.c: * amd64-linux-nat.c: * alphanbsd-tdep.c: * block.h: * block.c: * bfd-target.h: * bfd-target.c: * bcache.h: * bcache.c: * ax.h: * ax-general.c: * ax-gdb.h: * ax-gdb.c: * avr-tdep.c: * auxv.h: * auxv.c: * armnbsd-tdep.c: * armnbsd-nat.c: * arm-tdep.h: * arm-linux-nat.c: * arch-utils.h: * charset.c: * call-cmds.h: * c-valprint.c: * c-typeprint.c: * c-lang.h: * c-lang.c: * buildsym.h: * buildsym.c: * bsd-uthread.h: * bsd-uthread.c: * bsd-kvm.h: * bsd-kvm.c: * breakpoint.h: * core-regset.c: * core-aout.c: * completer.h: * completer.c: * complaints.h: * complaints.c: * command.h: * coffread.c: * coff-solib.h: * coff-solib.c: * coff-pe-read.h: * coff-pe-read.c: * cli-out.h: * cli-out.c: * charset.h: * dink32-rom.c: * dictionary.h: * dictionary.c: * demangle.c: * defs.h: * dcache.h: * dcache.c: * d10v-tdep.c: * cpu32bug-rom.c: * cp-valprint.c: * cp-support.h: * cp-support.c: * cp-namespace.c: * cp-abi.h: * cp-abi.c: * corelow.c: * corefile.c: * environ.c: * elfread.c: * dwarfread.c: * dwarf2loc.c: * dwarf2expr.h: * dwarf2expr.c: * dwarf2-frame.h: * dwarf2-frame.c: * dve3900-rom.c: * dummy-frame.h: * dummy-frame.c: * dsrec.c: * doublest.h: * doublest.c: * disasm.h: * disasm.c: * fork-child.c: * findvar.c: * fbsd-nat.h: * fbsd-nat.c: * f-valprint.c: * f-typeprint.c: * f-lang.h: * f-lang.c: * expression.h: * expprint.c: * exec.h: * exec.c: * exceptions.h: * exceptions.c: * event-top.h: * event-top.c: * event-loop.h: * event-loop.c: * gdb.c: * gdb-stabs.h: * gdb-events.h: * gdb-events.c: * gcore.c: * frv-tdep.h: * frv-tdep.c: * frv-linux-tdep.c: * frame.h: * frame.c: * frame-unwind.h: * frame-unwind.c: * frame-base.h: * frame-base.c: * gdb_vfork.h: * gdb_thread_db.h: * gdb_string.h: * gdb_stat.h: * gdb_regex.h: * gdb_ptrace.h: * gdb_proc_service.h: * gdb_obstack.h: * gdb_locale.h: * gdb_dirent.h: * gdb_curses.h: * gdb_assert.h: * gdbarch.sh: * gdb.h: * hpux-thread.c: * hppabsd-nat.c: * hppa-tdep.h: * hpacc-abi.c: * h8300-tdep.c: * gregset.h: * go32-nat.c: * gnu-v3-abi.c: * gnu-v2-abi.h: * gnu-v2-abi.c: * gnu-nat.h: * glibc-tdep.c: * gdbtypes.h: * gdbcore.h: * gdbcmd.h: * i386nbsd-tdep.c: * i386nbsd-nat.c: * i386gnu-tdep.c: * i386gnu-nat.c: * i386fbsd-tdep.c: * i386fbsd-nat.c: * i386bsd-tdep.c: * i386bsd-nat.h: * i386bsd-nat.c: * i386-tdep.h: * i386-sol2-nat.c: * i386-nto-tdep.c: * i386-nat.c: * i386-linux-tdep.h: * i386-linux-tdep.c: * i386-linux-nat.c: * i386-cygwin-tdep.c: * inf-ttrace.c: * inf-ptrace.h: * inf-ptrace.c: * inf-loop.h: * inf-loop.c: * inf-child.h: * inf-child.c: * ia64-tdep.h: * ia64-linux-nat.c: * i387-tdep.h: * i387-tdep.c: * i386v4-nat.c: * i386v-nat.c: * i386obsd-tdep.c: * i386obsd-nat.c: * kod.c: * jv-valprint.c: * jv-typeprint.c: * jv-lang.h: * jv-lang.c: * irix5-nat.c: * iq2000-tdep.c: * interps.h: * interps.c: * inftarg.c: * inflow.h: * inflow.c: * inferior.h: * infcmd.c: * infcall.h: * infcall.c: * inf-ttrace.h: * m32r-tdep.h: * m32r-tdep.c: * m32r-rom.c: * m32r-linux-tdep.c: * m32r-linux-nat.c: * m2-valprint.c: * m2-typeprint.c: * m2-lang.h: * m2-lang.c: * lynx-nat.c: * linux-thread-db.c: * linux-nat.h: * linespec.c: * libunwind-frame.h: * libunwind-frame.c: * language.h: * language.c: * macroexp.c: * macrocmd.c: * m88kbsd-nat.c: * m88k-tdep.h: * m88k-tdep.c: * m68klinux-tdep.c: * m68klinux-nat.c: * m68kbsd-tdep.c: * m68kbsd-nat.c: * m68k-tdep.h: * m68k-tdep.c: * mips-linux-nat.c: * mips-irix-tdep.c: * minsyms.c: * memattr.h: * memattr.c: * mem-break.c: * mdebugread.h: * main.h: * main.c: * macrotab.h: * macrotab.c: * macroscope.h: * macroscope.c: * macroexp.h: * nbsd-tdep.c: * mt-tdep.c: * monitor.h: * monitor.c: * mn10300-tdep.h: * mn10300-tdep.c: * mn10300-linux-tdep.c: * mipsv4-nat.c: * mipsread.c: * mipsnbsd-tdep.h: * mipsnbsd-tdep.c: * mipsnbsd-nat.c: * mips64obsd-tdep.c: * mips64obsd-nat.c: * mips-tdep.h: * mips-mdebug-tdep.c: * mips-linux-tdep.c: * osabi.h: * osabi.c: * ocd.h: * ocd.c: * observer.c: * objfiles.h: * objfiles.c: * objc-lang.h: * objc-lang.c: * objc-exp.y: * nto-tdep.h: * nto-tdep.c: * nto-procfs.c: * nlmread.c: * nbsd-tdep.h: * ppcobsd-tdep.c: * ppcobsd-nat.c: * ppcnbsd-tdep.h: * ppcnbsd-tdep.c: * ppcnbsd-nat.c: * ppcbug-rom.c: * ppc-tdep.h: * ppc-sysv-tdep.c: * ppc-linux-tdep.c: * ppc-linux-nat.c: * ppc-bdm.c: * parser-defs.h: * parse.c: * p-valprint.c: * p-typeprint.c: * p-lang.h: * p-lang.c: * remote-fileio.h: * remote-fileio.c: * remote-est.c: * remote-e7000.c: * regset.h: * regset.c: * reggroups.h: * reggroups.c: * regcache.h: * regcache.c: * proc-why.c: * proc-service.c: * proc-events.c: * printcmd.c: * ppcobsd-tdep.h: * sentinel-frame.h: * sentinel-frame.c: * scm-valprint.c: * scm-tags.h: * scm-lang.h: * scm-lang.c: * scm-exp.c: * s390-tdep.h: * rom68k-rom.c: * remote.h: * remote-utils.c: * remote-st.c: * remote-sim.c: * remote-sds.c: * remote-rdp.c: * remote-rdi.c: * remote-hms.c: * sim-regno.h: * shnbsd-tdep.h: * shnbsd-tdep.c: * shnbsd-nat.c: * sh-tdep.h: * serial.h: * serial.c: * ser-unix.h: * ser-unix.c: * ser-tcp.c: * ser-pipe.c: * ser-go32.c: * ser-e7kpc.c: * ser-base.h: * ser-base.c: * solib.c: * solib-svr4.h: * solib-svr4.c: * solib-sunos.c: * solib-som.h: * solib-som.c: * solib-pa64.h: * solib-pa64.c: * solib-osf.c: * solib-null.c: * solib-legacy.c: * solib-irix.c: * solib-frv.c: * solib-aix5.c: * sol-thread.c: * sparc64-linux-tdep.c: * sparc64-linux-nat.c: * sparc-tdep.h: * sparc-tdep.c: * sparc-sol2-tdep.c: * sparc-sol2-nat.c: * sparc-nat.h: * sparc-nat.c: * sparc-linux-tdep.c: * sparc-linux-nat.c: * source.h: * source.c: * somread.c: * solist.h: * solib.h: * std-regs.c: * stack.h: * stack.c: * stabsread.h: * sparcobsd-tdep.c: * sparcnbsd-tdep.c: * sparcnbsd-nat.c: * sparc64obsd-tdep.c: * sparc64nbsd-tdep.c: * sparc64nbsd-nat.c: * sparc64fbsd-tdep.c: * sparc64fbsd-nat.c: * sparc64-tdep.h: * sparc64-tdep.c: * sparc64-sol2-tdep.c: * sparc64-nat.c: * ui-file.c: * typeprint.h: * typeprint.c: * tramp-frame.h: * tramp-frame.c: * trad-frame.h: * trad-frame.c: * tracepoint.h: * top.c: * tobs.inc: * thread.c: * terminal.h: * target.h: * symfile.h: * stop-gdb.c: * vaxbsd-nat.c: * vax-tdep.h: * vax-tdep.c: * vax-nat.c: * varobj.h: * varobj.c: * value.h: * value.c: * valprint.h: * valprint.c: * v850-tdep.c: * uw-thread.c: * user-regs.c: * ui-out.h: * ui-out.c: * ui-file.h: * xcoffsolib.h: * xcoffsolib.c: * wrapper.c: * wince.c: * wince-stub.h: * wince-stub.c: * vaxobsd-tdep.c: * vaxnbsd-tdep.c: * gdb_gcore.sh: * copying.c: * configure.ac: * aclocal.m4: * acinclude.m4: * reply_mig_hack.awk: * observer.sh: * gdb_mbuild.sh: * arm-linux-tdep.c: * blockframe.c: * dbug-rom.c: * environ.h: * dwarf2loc.h: * gdb-events.sh: * glibc-tdep.h: * gdb_wait.h: * gdbthread.h: * i386-sol2-tdep.c: * hppabsd-tdep.c: * hppa-linux-nat.c: * hppa-hpux-nat.c: * ia64-linux-tdep.c: * infptrace.c: * linespec.h: * maint.c: * mips-mdebug-tdep.h: * remote-m32r-sdi.c: * s390-nat.c: * rs6000-nat.c: * remote-utils.h: * sh3-rom.c: * sh-linux-tdep.c: * top.h: * symtab.h: * symmisc.c: * symfile-mem.c: * srec.h: * user-regs.h: * version.h: * valarith.c: * xstormy16-tdep.c: * wrapper.h: * Makefile.in: * f-exp.y: * cris-tdep.c: * cp-name-parser.y: * procfs.c: * proc-utils.h: * proc-flags.c: * proc-api.c: * p-exp.y: * m68hc11-tdep.c: * m2-exp.y: * kod.h: * kod-cisco.c: * jv-exp.y: * hppa-linux-tdep.c: Add (c) after Copyright. Update the FSF address.
595 lines
16 KiB
C
595 lines
16 KiB
C
/* Low level interface for debugging HPUX/DCE threads for GDB, the GNU
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debugger.
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Copyright (C) 1996, 1998, 1999, 2000, 2001, 2004 Free Software
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Foundation, Inc.
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This file is part of GDB.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor,
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Boston, MA 02110-1301, USA. */
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/* This module implements a sort of half target that sits between the
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machine-independent parts of GDB and the ptrace interface (infptrace.c) to
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provide access to the HPUX user-mode thread implementation.
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HPUX threads are true user-mode threads, which are invoked via the cma_*
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and pthread_* (DCE and Posix respectivly) interfaces. These are mostly
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implemented in user-space, with all thread context kept in various
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structures that live in the user's heap. For the most part, the kernel has
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no knowlege of these threads.
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*/
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#include "defs.h"
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#define _CMA_NOWRAPPERS_
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#include <cma_tcb_defs.h>
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#include <cma_deb_core.h>
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#include "gdbthread.h"
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#include "target.h"
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#include "inferior.h"
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#include "regcache.h"
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#include <fcntl.h>
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#include <string.h>
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#include "gdb_stat.h"
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#include "gdbcore.h"
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#include "hppa-tdep.h"
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extern int child_suppress_run;
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extern void _initialize_hpux_thread (void);
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struct string_map
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{
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int num;
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char *str;
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};
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static int hpux_thread_active = 0;
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static ptid_t main_ptid; /* Real process ID */
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static CORE_ADDR P_cma__g_known_threads;
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static CORE_ADDR P_cma__g_current_thread;
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static void hpux_thread_resume (ptid_t ptid, int step,
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enum target_signal signo);
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static void init_hpux_thread_ops (void);
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static struct target_ops hpux_thread_ops;
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static ptid_t find_active_thread (void);
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static int cached_thread;
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static cma__t_int_tcb cached_tcb;
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static ptid_t
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find_active_thread (void)
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{
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static cma__t_int_tcb tcb;
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CORE_ADDR tcb_ptr;
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read_memory ((CORE_ADDR) P_cma__g_current_thread,
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(char *) &tcb_ptr,
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sizeof tcb_ptr);
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read_memory (tcb_ptr, (char *) &tcb, sizeof tcb);
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return (ptid_build (PIDGET (main_ptid), 0,
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cma_thread_get_unique (&tcb.prolog.client_thread)));
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}
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static cma__t_int_tcb *find_tcb (ptid_t ptid);
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static cma__t_int_tcb *
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find_tcb (ptid_t ptid)
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{
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cma__t_known_object queue_header;
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cma__t_queue *queue_ptr;
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int thread = ptid_get_tid (ptid);
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if (thread == cached_thread)
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return &cached_tcb;
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read_memory ((CORE_ADDR) P_cma__g_known_threads,
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(char *) &queue_header,
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sizeof queue_header);
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for (queue_ptr = queue_header.queue.flink;
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queue_ptr != (cma__t_queue *) P_cma__g_known_threads;
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queue_ptr = cached_tcb.threads.flink)
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{
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cma__t_int_tcb *tcb_ptr;
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tcb_ptr = cma__base (queue_ptr, threads, cma__t_int_tcb);
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read_memory ((CORE_ADDR) tcb_ptr, (char *) &cached_tcb, sizeof cached_tcb);
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if (cached_tcb.header.type == cma__c_obj_tcb)
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if (cma_thread_get_unique (&cached_tcb.prolog.client_thread) == thread)
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{
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cached_thread = thread;
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return &cached_tcb;
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}
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}
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error (_("Can't find TCB %d"), thread);
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return NULL;
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}
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/* Most target vector functions from here on actually just pass through to
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inftarg.c, as they don't need to do anything specific for threads. */
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static void
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hpux_thread_open (char *arg, int from_tty)
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{
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deprecated_child_ops.to_open (arg, from_tty);
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}
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/* Attach to process PID, then initialize for debugging it
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and wait for the trace-trap that results from attaching. */
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static void
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hpux_thread_attach (char *args, int from_tty)
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{
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deprecated_child_ops.to_attach (args, from_tty);
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/* XXX - might want to iterate over all the threads and register them. */
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}
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/* Take a program previously attached to and detaches it.
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The program resumes execution and will no longer stop
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on signals, etc. We'd better not have left any breakpoints
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in the program or it'll die when it hits one. For this
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to work, it may be necessary for the process to have been
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previously attached. It *might* work if the program was
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started via the normal ptrace (PTRACE_TRACEME). */
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static void
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hpux_thread_detach (char *args, int from_tty)
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{
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deprecated_child_ops.to_detach (args, from_tty);
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}
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/* Resume execution of process PID. If STEP is nozero, then
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just single step it. If SIGNAL is nonzero, restart it with that
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signal activated. We may have to convert pid from a thread-id to an LWP id
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for procfs. */
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static void
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hpux_thread_resume (ptid_t ptid, int step, enum target_signal signo)
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{
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struct cleanup *old_chain;
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old_chain = save_inferior_ptid ();
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ptid = main_ptid;
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inferior_ptid = main_ptid;
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#if 0
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if (pid != -1)
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{
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pid = thread_to_lwp (pid, -2);
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if (pid == -2) /* Inactive thread */
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error (_("This version of Solaris can't start inactive threads."));
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}
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#endif
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deprecated_child_ops.to_resume (ptid, step, signo);
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cached_thread = 0;
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do_cleanups (old_chain);
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}
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/* Wait for any threads to stop. We may have to convert PID from a thread id
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to a LWP id, and vice versa on the way out. */
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static ptid_t
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hpux_thread_wait (ptid_t ptid, struct target_waitstatus *ourstatus)
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{
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ptid_t rtnval;
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struct cleanup *old_chain;
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old_chain = save_inferior_ptid ();
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inferior_ptid = main_ptid;
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if (!ptid_equal (ptid, minus_one_ptid))
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ptid = main_ptid;
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rtnval = deprecated_child_ops.to_wait (ptid, ourstatus);
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rtnval = find_active_thread ();
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do_cleanups (old_chain);
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return rtnval;
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}
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static char regmap[] =
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{
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-2, -1, -1, 0, 4, 8, 12, 16, 20, 24, /* flags, r1 -> r9 */
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28, 32, 36, 40, 44, 48, 52, 56, 60, -1, /* r10 -> r19 */
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-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, /* r20 -> r29 */
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/* r30, r31, sar, pcoqh, pcsqh, pcoqt, pcsqt, eiem, iir, isr */
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-2, -1, -1, -2, -1, -1, -1, -1, -1, -1,
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/* ior, ipsw, goto, sr4, sr0, sr1, sr2, sr3, sr5, sr6 */
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-1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
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/* sr7, cr0, cr8, cr9, ccr, cr12, cr13, cr24, cr25, cr26 */
|
||
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
|
||
|
||
-1, -1, -1, -1, /* mpsfu_high, mpsfu_low, mpsfu_ovflo, pad */
|
||
144, -1, -1, -1, -1, -1, -1, -1, /* fpsr, fpe1 -> fpe7 */
|
||
-1, -1, -1, -1, -1, -1, -1, -1, /* fr4 -> fr7 */
|
||
-1, -1, -1, -1, -1, -1, -1, -1, /* fr8 -> fr11 */
|
||
136, -1, 128, -1, 120, -1, 112, -1, /* fr12 -> fr15 */
|
||
104, -1, 96, -1, 88, -1, 80, -1, /* fr16 -> fr19 */
|
||
72, -1, 64, -1, -1, -1, -1, -1, /* fr20 -> fr23 */
|
||
-1, -1, -1, -1, -1, -1, -1, -1, /* fr24 -> fr27 */
|
||
-1, -1, -1, -1, -1, -1, -1, -1, /* fr28 -> fr31 */
|
||
};
|
||
|
||
static void
|
||
hpux_thread_fetch_registers (int regno)
|
||
{
|
||
cma__t_int_tcb tcb, *tcb_ptr;
|
||
struct cleanup *old_chain;
|
||
int i;
|
||
int first_regno, last_regno;
|
||
|
||
tcb_ptr = find_tcb (inferior_ptid);
|
||
|
||
old_chain = save_inferior_ptid ();
|
||
|
||
inferior_ptid = main_ptid;
|
||
|
||
if (tcb_ptr->state == cma__c_state_running)
|
||
{
|
||
deprecated_child_ops.to_fetch_registers (regno);
|
||
|
||
do_cleanups (old_chain);
|
||
|
||
return;
|
||
}
|
||
|
||
if (regno == -1)
|
||
{
|
||
first_regno = 0;
|
||
last_regno = NUM_REGS - 1;
|
||
}
|
||
else
|
||
{
|
||
first_regno = regno;
|
||
last_regno = regno;
|
||
}
|
||
|
||
for (regno = first_regno; regno <= last_regno; regno++)
|
||
{
|
||
if (regmap[regno] == -1)
|
||
deprecated_child_ops.to_fetch_registers (regno);
|
||
else
|
||
{
|
||
unsigned char buf[MAX_REGISTER_SIZE];
|
||
CORE_ADDR sp;
|
||
|
||
sp = (CORE_ADDR) tcb_ptr->static_ctx.sp - 160;
|
||
|
||
if (regno == HPPA_FLAGS_REGNUM)
|
||
/* Flags must be 0 to avoid bogus value for SS_INSYSCALL */
|
||
memset (buf, '\000', register_size (current_gdbarch, regno));
|
||
else if (regno == HPPA_SP_REGNUM)
|
||
store_unsigned_integer (buf, sizeof sp, sp);
|
||
else if (regno == HPPA_PCOQ_HEAD_REGNUM)
|
||
read_memory (sp - 20, buf, register_size (current_gdbarch, regno));
|
||
else
|
||
read_memory (sp + regmap[regno], buf, register_size (current_gdbarch, regno));
|
||
|
||
regcache_raw_supply (current_regcache, regno, buf);
|
||
}
|
||
}
|
||
|
||
do_cleanups (old_chain);
|
||
}
|
||
|
||
static void
|
||
hpux_thread_store_registers (int regno)
|
||
{
|
||
cma__t_int_tcb tcb, *tcb_ptr;
|
||
struct cleanup *old_chain;
|
||
int i;
|
||
int first_regno, last_regno;
|
||
|
||
tcb_ptr = find_tcb (inferior_ptid);
|
||
|
||
old_chain = save_inferior_ptid ();
|
||
|
||
inferior_ptid = main_ptid;
|
||
|
||
if (tcb_ptr->state == cma__c_state_running)
|
||
{
|
||
deprecated_child_ops.to_store_registers (regno);
|
||
|
||
do_cleanups (old_chain);
|
||
|
||
return;
|
||
}
|
||
|
||
if (regno == -1)
|
||
{
|
||
first_regno = 0;
|
||
last_regno = NUM_REGS - 1;
|
||
}
|
||
else
|
||
{
|
||
first_regno = regno;
|
||
last_regno = regno;
|
||
}
|
||
|
||
for (regno = first_regno; regno <= last_regno; regno++)
|
||
{
|
||
if (regmap[regno] == -1)
|
||
deprecated_child_ops.to_store_registers (regno);
|
||
else
|
||
{
|
||
unsigned char buf[MAX_REGISTER_SIZE];
|
||
CORE_ADDR sp;
|
||
|
||
sp = (CORE_ADDR) tcb_ptr->static_ctx.sp - 160;
|
||
|
||
if (regno == HPPA_FLAGS_REGNUM)
|
||
deprecated_child_ops.to_store_registers (regno); /* Let lower layer handle this... */
|
||
else if (regno == HPPA_SP_REGNUM)
|
||
{
|
||
regcache_raw_read (current_regcache, regno, buf);
|
||
write_memory ((CORE_ADDR) &tcb_ptr->static_ctx.sp, buf,
|
||
register_size (current_gdbarch, regno));
|
||
tcb_ptr->static_ctx.sp
|
||
= (cma__t_hppa_regs *) ((CORE_ADDR) buf + 160);
|
||
}
|
||
else if (regno == HPPA_PCOQ_HEAD_REGNUM)
|
||
{
|
||
regcache_raw_read (current_regcache, regno, buf);
|
||
write_memory (sp - 20, buf,
|
||
register_size (current_gdbarch, regno));
|
||
}
|
||
else
|
||
{
|
||
regcache_raw_read (current_regcache, regno, buf);
|
||
write_memory (sp + regmap[regno], buf,
|
||
register_size (current_gdbarch, regno));
|
||
}
|
||
}
|
||
}
|
||
|
||
do_cleanups (old_chain);
|
||
}
|
||
|
||
/* Get ready to modify the registers array. On machines which store
|
||
individual registers, this doesn't need to do anything. On machines
|
||
which store all the registers in one fell swoop, this makes sure
|
||
that registers contains all the registers from the program being
|
||
debugged. */
|
||
|
||
static void
|
||
hpux_thread_prepare_to_store (void)
|
||
{
|
||
deprecated_child_ops.to_prepare_to_store ();
|
||
}
|
||
|
||
static int
|
||
hpux_thread_xfer_memory (CORE_ADDR memaddr, char *myaddr, int len,
|
||
int dowrite, struct mem_attrib *attribs,
|
||
struct target_ops *target)
|
||
{
|
||
int retval;
|
||
struct cleanup *old_chain;
|
||
|
||
old_chain = save_inferior_ptid ();
|
||
|
||
inferior_ptid = main_ptid;
|
||
|
||
retval =
|
||
deprecated_child_ops.deprecated_xfer_memory (memaddr, myaddr, len, dowrite, attribs, target);
|
||
|
||
do_cleanups (old_chain);
|
||
|
||
return retval;
|
||
}
|
||
|
||
/* Print status information about what we're accessing. */
|
||
|
||
static void
|
||
hpux_thread_files_info (struct target_ops *ignore)
|
||
{
|
||
deprecated_child_ops.to_files_info (ignore);
|
||
}
|
||
|
||
static void
|
||
hpux_thread_kill_inferior (void)
|
||
{
|
||
deprecated_child_ops.to_kill ();
|
||
}
|
||
|
||
static void
|
||
hpux_thread_notice_signals (ptid_t ptid)
|
||
{
|
||
deprecated_child_ops.to_notice_signals (ptid);
|
||
}
|
||
|
||
/* Fork an inferior process, and start debugging it with /proc. */
|
||
|
||
static void
|
||
hpux_thread_create_inferior (char *exec_file, char *allargs, char **env,
|
||
int from_tty)
|
||
{
|
||
deprecated_child_ops.to_create_inferior (exec_file, allargs, env, from_tty);
|
||
|
||
if (hpux_thread_active)
|
||
{
|
||
main_ptid = inferior_ptid;
|
||
|
||
push_target (&hpux_thread_ops);
|
||
|
||
inferior_ptid = find_active_thread ();
|
||
|
||
add_thread (inferior_ptid);
|
||
}
|
||
}
|
||
|
||
/* This routine is called whenever a new symbol table is read in, or when all
|
||
symbol tables are removed. libthread_db can only be initialized when it
|
||
finds the right variables in libthread.so. Since it's a shared library,
|
||
those variables don't show up until the library gets mapped and the symbol
|
||
table is read in. */
|
||
|
||
/* This new_objfile event is now managed by a chained function pointer.
|
||
* It is the callee's responsability to call the next client on the chain.
|
||
*/
|
||
|
||
/* Saved pointer to previous owner of the new_objfile event. */
|
||
static void (*target_new_objfile_chain) (struct objfile *);
|
||
|
||
void
|
||
hpux_thread_new_objfile (struct objfile *objfile)
|
||
{
|
||
struct minimal_symbol *ms;
|
||
|
||
if (!objfile)
|
||
{
|
||
hpux_thread_active = 0;
|
||
goto quit;
|
||
}
|
||
|
||
ms = lookup_minimal_symbol ("cma__g_known_threads", NULL, objfile);
|
||
|
||
if (!ms)
|
||
goto quit;
|
||
|
||
P_cma__g_known_threads = SYMBOL_VALUE_ADDRESS (ms);
|
||
|
||
ms = lookup_minimal_symbol ("cma__g_current_thread", NULL, objfile);
|
||
|
||
if (!ms)
|
||
goto quit;
|
||
|
||
P_cma__g_current_thread = SYMBOL_VALUE_ADDRESS (ms);
|
||
|
||
hpux_thread_active = 1;
|
||
quit:
|
||
/* Call predecessor on chain, if any. */
|
||
if (target_new_objfile_chain)
|
||
target_new_objfile_chain (objfile);
|
||
}
|
||
|
||
/* Clean up after the inferior dies. */
|
||
|
||
static void
|
||
hpux_thread_mourn_inferior (void)
|
||
{
|
||
deprecated_child_ops.to_mourn_inferior ();
|
||
}
|
||
|
||
/* Mark our target-struct as eligible for stray "run" and "attach" commands. */
|
||
|
||
static int
|
||
hpux_thread_can_run (void)
|
||
{
|
||
return child_suppress_run;
|
||
}
|
||
|
||
static int
|
||
hpux_thread_alive (ptid_t ptid)
|
||
{
|
||
return 1;
|
||
}
|
||
|
||
static void
|
||
hpux_thread_stop (void)
|
||
{
|
||
deprecated_child_ops.to_stop ();
|
||
}
|
||
|
||
/* Convert a pid to printable form. */
|
||
|
||
char *
|
||
hpux_pid_to_str (ptid_t ptid)
|
||
{
|
||
static char buf[100];
|
||
int pid = PIDGET (ptid);
|
||
|
||
sprintf (buf, "Thread %ld", ptid_get_tid (ptid));
|
||
|
||
return buf;
|
||
}
|
||
|
||
static void
|
||
init_hpux_thread_ops (void)
|
||
{
|
||
hpux_thread_ops.to_shortname = "hpux-threads";
|
||
hpux_thread_ops.to_longname = "HPUX threads and pthread.";
|
||
hpux_thread_ops.to_doc = "HPUX threads and pthread support.";
|
||
hpux_thread_ops.to_open = hpux_thread_open;
|
||
hpux_thread_ops.to_attach = hpux_thread_attach;
|
||
hpux_thread_ops.to_detach = hpux_thread_detach;
|
||
hpux_thread_ops.to_resume = hpux_thread_resume;
|
||
hpux_thread_ops.to_wait = hpux_thread_wait;
|
||
hpux_thread_ops.to_fetch_registers = hpux_thread_fetch_registers;
|
||
hpux_thread_ops.to_store_registers = hpux_thread_store_registers;
|
||
hpux_thread_ops.to_prepare_to_store = hpux_thread_prepare_to_store;
|
||
hpux_thread_ops.deprecated_xfer_memory = hpux_thread_xfer_memory;
|
||
hpux_thread_ops.to_files_info = hpux_thread_files_info;
|
||
hpux_thread_ops.to_insert_breakpoint = memory_insert_breakpoint;
|
||
hpux_thread_ops.to_remove_breakpoint = memory_remove_breakpoint;
|
||
hpux_thread_ops.to_terminal_init = terminal_init_inferior;
|
||
hpux_thread_ops.to_terminal_inferior = terminal_inferior;
|
||
hpux_thread_ops.to_terminal_ours_for_output = terminal_ours_for_output;
|
||
hpux_thread_ops.to_terminal_save_ours = terminal_save_ours;
|
||
hpux_thread_ops.to_terminal_ours = terminal_ours;
|
||
hpux_thread_ops.to_terminal_info = child_terminal_info;
|
||
hpux_thread_ops.to_kill = hpux_thread_kill_inferior;
|
||
hpux_thread_ops.to_create_inferior = hpux_thread_create_inferior;
|
||
hpux_thread_ops.to_mourn_inferior = hpux_thread_mourn_inferior;
|
||
hpux_thread_ops.to_can_run = hpux_thread_can_run;
|
||
hpux_thread_ops.to_notice_signals = hpux_thread_notice_signals;
|
||
hpux_thread_ops.to_thread_alive = hpux_thread_alive;
|
||
hpux_thread_ops.to_stop = hpux_thread_stop;
|
||
hpux_thread_ops.to_stratum = process_stratum;
|
||
hpux_thread_ops.to_has_all_memory = 1;
|
||
hpux_thread_ops.to_has_memory = 1;
|
||
hpux_thread_ops.to_has_stack = 1;
|
||
hpux_thread_ops.to_has_registers = 1;
|
||
hpux_thread_ops.to_has_execution = 1;
|
||
hpux_thread_ops.to_magic = OPS_MAGIC;
|
||
}
|
||
|
||
void
|
||
_initialize_hpux_thread (void)
|
||
{
|
||
init_hpux_thread_ops ();
|
||
add_target (&hpux_thread_ops);
|
||
|
||
child_suppress_run = 1;
|
||
/* Hook into new_objfile notification. */
|
||
target_new_objfile_chain = deprecated_target_new_objfile_hook;
|
||
deprecated_target_new_objfile_hook = hpux_thread_new_objfile;
|
||
}
|