This commit was manufactured by cvs2svn to create branchreverse-20081226-branchpoint

'reverse-20081226-branch'.

Sprout from multiprocess-20081120-branch 2008-11-20 00:35:24 UTC nobody 'This commit was manufactured by cvs2svn to create branch'
Cherrypick from master 2008-12-26 19:11:53 UTC Sandra Loosemore <sandra@codesourcery.com> '2008-12-26  Sandra Loosemore  <sandra@codesourcery.com>':
    COPYING.LIBGLOSS
    COPYING.NEWLIB
    ChangeLog
    Makefile.def
    Makefile.in
    Makefile.tpl
    bfd/ChangeLog
    bfd/Makefile.am
    bfd/Makefile.in
    bfd/aoutx.h
    bfd/archures.c
    bfd/bfd-in.h
    bfd/bfd-in2.h
    bfd/bfd.c
    bfd/bfdwin.c
    bfd/coffcode.h
    bfd/config.bfd
    bfd/configure
    bfd/configure.in
    bfd/cpu-avr.c
    bfd/cpu-lm32.c
    bfd/cpu-mips.c
    bfd/elf-bfd.h
    bfd/elf-m10300.c
    bfd/elf.c
    bfd/elf32-arm.c
    bfd/elf32-bfin.c
    bfd/elf32-cr16.c
    bfd/elf32-cris.c
    bfd/elf32-hppa.c
    bfd/elf32-i370.c
    bfd/elf32-i386.c
    bfd/elf32-lm32.c
    bfd/elf32-m32r.c
    bfd/elf32-m68k.c
    bfd/elf32-ppc.c
    bfd/elf32-s390.c
    bfd/elf32-sh.c
    bfd/elf32-spu.c
    bfd/elf32-spu.h
    bfd/elf32-v850.c
    bfd/elf32-vax.c
    bfd/elf64-alpha.c
    bfd/elf64-ppc.c
    bfd/elf64-s390.c
    bfd/elf64-sh64.c
    bfd/elf64-x86-64.c
    bfd/elfcode.h
    bfd/elflink.c
    bfd/elfxx-ia64.c
    bfd/elfxx-mips.c
    bfd/elfxx-sparc.c
    bfd/elfxx-target.h
    bfd/hpux-core.c
    bfd/libbfd.h
    bfd/mach-o.c
    bfd/mach-o.h
    bfd/pef.c
    bfd/reloc.c
    bfd/syms.c
    bfd/targets.c
    bfd/version.h
    bfd/xtensa-isa.c
    config-ml.in
    config.guess
    config.sub
    config/ChangeLog
    config/mh-mingw
    config/unwind_ipinfo.m4
    configure
    configure.ac
    cpu/ChangeLog
    cpu/lm32.cpu
    cpu/lm32.opc
    gdb/ChangeLog
    gdb/MAINTAINERS
    gdb/Makefile.in
    gdb/NEWS
    gdb/acinclude.m4
    gdb/ada-lang.c
    gdb/ada-lang.h
    gdb/alpha-mdebug-tdep.c
    gdb/breakpoint.c
    gdb/breakpoint.h
    gdb/c-exp.y
    gdb/c-lang.c
    gdb/c-lang.h
    gdb/cli/cli-decode.c
    gdb/cli/cli-decode.h
    gdb/command.h
    gdb/completer.c
    gdb/config.in
    gdb/config/i386/darwin.mh
    gdb/configure
    gdb/configure.ac
    gdb/configure.host
    gdb/configure.tgt
    gdb/darwin-nat-info.c
    gdb/darwin-nat.c
    gdb/darwin-nat.h
    gdb/darwin.defs
    gdb/dbxread.c
    gdb/defs.h
    gdb/doc/ChangeLog
    gdb/doc/gdb.texinfo
    gdb/doc/gdbint.texinfo
    gdb/dwarf2expr.c
    gdb/environ.c
    gdb/f-valprint.c
    gdb/features/osdata.dtd
    gdb/findvar.c
    gdb/frame.c
    gdb/gdbserver/ChangeLog
    gdb/gdbserver/Makefile.in
    gdb/gdbserver/hostio.c
    gdb/gdbserver/inferiors.c
    gdb/gdbserver/linux-low.c
    gdb/gdbserver/linux-low.h
    gdb/gdbserver/mem-break.c
    gdb/gdbserver/regcache.c
    gdb/gdbserver/remote-utils.c
    gdb/gdbserver/server.c
    gdb/gdbserver/server.h
    gdb/gdbserver/target.c
    gdb/gdbserver/target.h
    gdb/gdbserver/thread-db.c
    gdb/gdbserver/utils.c
    gdb/gdbserver/win32-low.c
    gdb/gnu-v3-abi.c
    gdb/i386-darwin-nat.c
    gdb/i386-darwin-tdep.c
    gdb/i386-darwin-tdep.h
    gdb/ia64-tdep.c
    gdb/inf-ptrace.c
    gdb/inf-ttrace.c
    gdb/infcall.c
    gdb/infcmd.c
    gdb/inferior.h
    gdb/inflow.c
    gdb/infrun.c
    gdb/linux-fork.c
    gdb/linux-nat.c
    gdb/linux-thread-db.c
    gdb/m32c-tdep.c
    gdb/machoread.c
    gdb/macrocmd.c
    gdb/macroexp.c
    gdb/mi/mi-main.c
    gdb/osabi.c
    gdb/osdata.c
    gdb/osdata.h
    gdb/parse.c
    gdb/printcmd.c
    gdb/python/python-internal.h
    gdb/python/python-utils.c
    gdb/python/python-value.c
    gdb/python/python.c
    gdb/remote.c
    gdb/rs6000-nat.c
    gdb/spu-linux-nat.c
    gdb/stack.c
    gdb/target.c
    gdb/target.h
    gdb/testsuite/ChangeLog
    gdb/testsuite/gdb.ada/formatted_ref.exp
    gdb/testsuite/gdb.ada/int_deref.exp
    gdb/testsuite/gdb.arch/ppc-fp.exp
    gdb/testsuite/gdb.arch/vsx-regs.exp
    gdb/testsuite/gdb.base/breakpoint-shadow.c
    gdb/testsuite/gdb.base/breakpoint-shadow.exp
    gdb/testsuite/gdb.base/commands.exp
    gdb/testsuite/gdb.base/completion.exp
    gdb/testsuite/gdb.base/consecutive.exp
    gdb/testsuite/gdb.base/expand-psymtabs.c
    gdb/testsuite/gdb.base/foll-fork.exp
    gdb/testsuite/gdb.base/foll-vfork.exp
    gdb/testsuite/gdb.base/macscp.exp
    gdb/testsuite/gdb.base/macscp1.c
    gdb/testsuite/gdb.base/sepsymtab.exp
    gdb/testsuite/gdb.base/start.exp
    gdb/testsuite/gdb.base/watchpoint-hw.c
    gdb/testsuite/gdb.base/watchpoint-hw.exp
    gdb/testsuite/gdb.cp/formatted-ref.exp
    gdb/testsuite/gdb.cp/punctuator.exp
    gdb/testsuite/gdb.server/ext-run.exp
    gdb/testsuite/gdb.threads/tls.c
    gdb/testsuite/gdb.threads/tls.exp
    gdb/testsuite/gdb.threads/tls2.c
    gdb/valops.c
    gdb/valprint.c
    gdb/value.c
    gdb/value.h
    gdb/version.in
    gdb/xml-support.c
    gdb/xml-support.h
    include/ChangeLog
    include/bfdlink.h
    include/coff/ChangeLog
    include/coff/ti.h
    include/demangle.h
    include/dis-asm.h
    include/elf/ChangeLog
    include/elf/common.h
    include/elf/cr16.h
    include/elf/cris.h
    include/elf/lm32.h
    include/opcode/ChangeLog
    include/opcode/mips.h
    include/plugin-api.h
    include/xtensa-isa-internal.h
    include/xtensa-isa.h
    libiberty/ChangeLog
    libiberty/config.h-vms
    libiberty/cp-demangle.c
    libiberty/makefile.vms
    libtool.m4
    opcodes/ChangeLog
    opcodes/Makefile.am
    opcodes/Makefile.in
    opcodes/arm-dis.c
    opcodes/cgen-asm.in
    opcodes/cgen-dis.in
    opcodes/cgen-ibld.in
    opcodes/configure
    opcodes/configure.in
    opcodes/cr16-dis.c
    opcodes/disassemble.c
    opcodes/i386-dis.c
    opcodes/i386-gen.c
    opcodes/i386-opc.h
    opcodes/i386-opc.tbl
    opcodes/i386-tbl.h
    opcodes/lm32-asm.c
    opcodes/lm32-desc.c
    opcodes/lm32-desc.h
    opcodes/lm32-dis.c
    opcodes/lm32-ibld.c
    opcodes/lm32-opc.c
    opcodes/lm32-opc.h
    opcodes/lm32-opinst.c
    opcodes/m68k-dis.c
    opcodes/mips-dis.c
    opcodes/po/ga.po
    opcodes/ppc-dis.c
    opcodes/ppc-opc.c
    sim/arm/ChangeLog
    sim/arm/arminit.c
    sim/arm/iwmmxt.c
    sim/frv/ChangeLog
    sim/frv/arch.c
    sim/frv/arch.h
    sim/frv/cpu.c
    sim/frv/cpu.h
    sim/frv/cpuall.h
    sim/frv/decode.c
    sim/frv/decode.h
    sim/frv/model.c
    sim/frv/sem.c
    sim/h8300/ChangeLog
    sim/h8300/compile.c
    sim/ppc/ChangeLog
    sim/ppc/ppc-instructions
    sim/ppc/ppc-spr-table
Cherrypick from reverse-20080717-branch 2008-09-19 21:17:10 UTC Michael Snyder <msnyder@vmware.com> 'don't need globals hex and decimal':
    gdb/testsuite/gdb.twreverse/Makefile.in
    gdb/testsuite/gdb.twreverse/break-reverse.c
    gdb/testsuite/gdb.twreverse/break-reverse.exp
    gdb/testsuite/gdb.twreverse/consecutive-reverse.c
    gdb/testsuite/gdb.twreverse/consecutive-reverse.exp
    gdb/testsuite/gdb.twreverse/finish-reverse.c
    gdb/testsuite/gdb.twreverse/finish-reverse.exp
    gdb/testsuite/gdb.twreverse/machinestate.c
    gdb/testsuite/gdb.twreverse/machinestate.exp
    gdb/testsuite/gdb.twreverse/machinestate1.c
    gdb/testsuite/gdb.twreverse/step-reverse.c
    gdb/testsuite/gdb.twreverse/step-reverse.exp
    gdb/testsuite/gdb.twreverse/until-reverse.c
    gdb/testsuite/gdb.twreverse/until-reverse.exp
    gdb/testsuite/gdb.twreverse/until-reverse1.c
    gdb/testsuite/gdb.twreverse/watch-reverse.c
    gdb/testsuite/gdb.twreverse/watch-reverse.exp

1 files changed, 42 insertions, 24 deletions

diff --git a/gdb/infrun.c b/gdb/infrun.c
index f218fa0..eb2528c 100644
--- a/gdb/infrun.c
+++ b/gdb/infrun.c
@@ -965,10 +965,13 @@ resume (int step, enum target_signal sig)
 {
   int should_resume = 1;
   struct cleanup *old_cleanups = make_cleanup (resume_cleanups, 0);
+
+  /* Note that these must be reset if we follow a fork below.  */
   struct regcache *regcache = get_current_regcache ();
   struct gdbarch *gdbarch = get_regcache_arch (regcache);
   struct thread_info *tp = inferior_thread ();
   CORE_ADDR pc = regcache_read_pc (regcache);
+
   QUIT;
 
   if (debug_infrun)
@@ -1053,6 +1056,13 @@ a command like `return' or `jump' to continue execution."));
       pending_follow.kind = TARGET_WAITKIND_SPURIOUS;
       if (follow_fork ())
 	should_resume = 0;
+
+      /* Following a child fork will change our notion of current
+	 thread.  */
+      tp = inferior_thread ();
+      regcache = get_current_regcache ();
+      gdbarch = get_regcache_arch (regcache);
+      pc = regcache_read_pc (regcache);
       break;
 
     case TARGET_WAITKIND_EXECD:
@@ -1148,11 +1158,11 @@ a command like `return' or `jump' to continue execution."));
           displaced_step_dump_bytes (gdb_stdlog, buf, sizeof (buf));
         }
 
-      target_resume (resume_ptid, step, sig);
-
       /* Avoid confusing the next resume, if the next stop/resume
 	 happens to apply to another thread.  */
       tp->stop_signal = TARGET_SIGNAL_0;
+
+      target_resume (resume_ptid, step, sig);
     }
 
   discard_cleanups (old_cleanups);
@@ -1293,7 +1303,6 @@ proceed (CORE_ADDR addr, enum target_signal siggnal, int step)
   struct thread_info *tp;
   CORE_ADDR pc = regcache_read_pc (regcache);
   int oneproc = 0;
-  enum target_signal stop_signal;
 
   if (step > 0)
     step_start_function = find_pc_function (pc);
@@ -2132,13 +2141,17 @@ handle_inferior_event (struct execution_control_state *ecs)
     {
       breakpoint_retire_moribund ();
 
-      /* Mark the non-executing threads accordingly.  */
-      if (!non_stop
- 	  || ecs->ws.kind == TARGET_WAITKIND_EXITED
- 	  || ecs->ws.kind == TARGET_WAITKIND_SIGNALLED)
- 	set_executing (pid_to_ptid (-1), 0);
-      else
- 	set_executing (ecs->ptid, 0);
+      /* Mark the non-executing threads accordingly.  In all-stop, all
+	 threads of all processes are stopped when we get any event
+	 reported.  In non-stop mode, only the event thread stops.  If
+	 we're handling a process exit in non-stop mode, there's
+	 nothing to do, as threads of the dead process are gone, and
+	 threads of any other process were left running.  */
+      if (!non_stop)
+	set_executing (minus_one_ptid, 0);
+      else if (ecs->ws.kind != TARGET_WAITKIND_SIGNALLED
+	       && ecs->ws.kind != TARGET_WAITKIND_EXITED)
+	set_executing (inferior_ptid, 0);
     }
 
   switch (infwait_state)
@@ -2262,6 +2275,7 @@ handle_inferior_event (struct execution_control_state *ecs)
     case TARGET_WAITKIND_EXITED:
       if (debug_infrun)
         fprintf_unfiltered (gdb_stdlog, "infrun: TARGET_WAITKIND_EXITED\n");
+      inferior_ptid = ecs->ptid;
       target_terminal_ours ();	/* Must do this before mourn anyway */
       print_stop_reason (EXITED, ecs->ws.value.integer);
 
@@ -2280,6 +2294,7 @@ handle_inferior_event (struct execution_control_state *ecs)
     case TARGET_WAITKIND_SIGNALLED:
       if (debug_infrun)
         fprintf_unfiltered (gdb_stdlog, "infrun: TARGET_WAITKIND_SIGNALLED\n");
+      inferior_ptid = ecs->ptid;
       stop_print_frame = 0;
       target_terminal_ours ();	/* Must do this before mourn anyway */
 
@@ -2501,8 +2516,6 @@ targets should add new threads to the thread list themselves in non-stop mode.")
 	}
     }
 
-  stepping_past_singlestep_breakpoint = 0;
-
   if (!ptid_equal (deferred_step_ptid, null_ptid))
     {
       /* In non-stop mode, there's never a deferred_step_ptid set.  */
@@ -2512,8 +2525,6 @@ targets should add new threads to the thread list themselves in non-stop mode.")
 	 the fact that we were supposed to switch back.  */
       if (ecs->event_thread->stop_signal == TARGET_SIGNAL_TRAP)
 	{
-	  struct thread_info *tp;
-
 	  if (debug_infrun)
 	    fprintf_unfiltered (gdb_stdlog,
 				"infrun: handling deferred step\n");
@@ -3151,7 +3162,6 @@ infrun: BPSTAT_WHAT_SET_LONGJMP_RESUME (!gdbarch_get_longjmp_target)\n");
 	break;
 
       case BPSTAT_WHAT_CHECK_SHLIBS:
-      case BPSTAT_WHAT_CHECK_SHLIBS_RESUME_FROM_HOOK:
 	{
           if (debug_infrun)
 	    fprintf_unfiltered (gdb_stdlog, "infrun: BPSTAT_WHAT_CHECK_SHLIBS\n");
@@ -4366,17 +4376,25 @@ done:
       else
 	observer_notify_normal_stop (NULL);
     }
-  if (target_has_execution
-      && last.kind != TARGET_WAITKIND_SIGNALLED
-      && last.kind != TARGET_WAITKIND_EXITED)
-    {
-      /* Delete the breakpoint we stopped at, if it wants to be deleted.
-	 Delete any breakpoint that is to be deleted at the next stop.  */
-      breakpoint_auto_delete (inferior_thread ()->stop_bpstat);
 
+  if (target_has_execution)
+    {
+      if (last.kind != TARGET_WAITKIND_SIGNALLED
+	  && last.kind != TARGET_WAITKIND_EXITED)
+	/* Delete the breakpoint we stopped at, if it wants to be deleted.
+	   Delete any breakpoint that is to be deleted at the next stop.  */
+	breakpoint_auto_delete (inferior_thread ()->stop_bpstat);
+
+      /* Mark the stopped threads accordingly.  In all-stop, all
+	 threads of all processes are stopped when we get any event
+	 reported.  In non-stop mode, only the event thread stops.  If
+	 we're handling a process exit in non-stop mode, there's
+	 nothing to do, as threads of the dead process are gone, and
+	 threads of any other process were left running.  */
       if (!non_stop)
-	set_running (pid_to_ptid (-1), 0);
-      else
+	set_running (minus_one_ptid, 0);
+      else if (last.kind != TARGET_WAITKIND_SIGNALLED
+	       && last.kind != TARGET_WAITKIND_EXITED)
 	set_running (inferior_ptid, 0);
     }