* configure.in: Check for working mmap, ansi headers, string.h,

strings.h, and memory.h.
* configure: Regenerated.

* gdb_stat.h: New file, "portable" <sys/stat.h>.
* gdb_string.h: New file, "portable" <string.h>.

* altos-xdep.c, arm-tdep.c, arm-xdep.c, convex-tdep.c,
convex-xdep.c, coredep.c, cxux-nat.c, dbxread.c, exec.c,
gould-xdep.c, hppa-tdep.c, i386aix-nat.c, i386b-nat.c,
i386mach-nat.c, i386v-nat.c, infptrace.c, m88k-nat.c, main.c,
mdebugread.c, objfiles.c, os9kread.c, procfs.c, pyr-xdep.c,
rs6000-nat.c, source.c, standalone.c, stuff.c, sun386-nat.c,
symfile.c, symm-nat.c, symm-tdep.c, symtab.c, top.c, ultra3-nat.c,
ultra3-xdep.c, umax-xdep.c, xcoffread.c: Include "gdb_stat.h"
instead of <sys/stat.h>.

* alpha-tdep.c, breakpoint.c, buildsym.c, c-typeprint.c,
ch-typeprint.c, coffread.c, command.c, core-sol2.c, core-svr4.c,
core.c, corelow.c, cp-valprint.c, dbxread.c, dcache.c, demangle.c,
dpx2-nat.c, dstread.c, dwarfread.c, elfread.c, environ.c, eval.c,
exec.c, f-lang.c, f-typeprint.c, f-valprint.c, findvar.c,
fork-child.c, gdbtypes.c, hpread.c, i386-tdep.c, infcmd.c,
inflow.c, infptrace.c, infrun.c, irix5-nat.c, language.c,
m2-typeprint.c, main.c, mdebugread.c, minsyms.c, mipsread.c,
monitor.c, nlmread.c, objfiles.c, os9kread.c, osfsolib.c, parse.c,
printcmd.c, procfs.c, regex.c, remote-adapt.c, remote-arc.c,
remote-array.c, remote-bug.c, remote-e7000.c, remote-eb.c,
remote-es.c, remote-hms.c, remote-mm.c, remote-os9k.c,
remote-pa.c, remote-sim.c, remote-st.c, remote-udi.c,
remote-utils.c, remote-vx.c, remote-vx29k.c, remote-vx68.c,
remote-vx960.c, remote-vxmips.c, remote-vxsparc.c, remote.c,
solib.c, somread.c, source.c, stabsread.c, stack.c, symfile.c,
symmisc.c, symtab.c, target.c, top.c, typeprint.c, utils.c,
valarith.c, valops.c, valprint.c, values.c, xcoffread.c: Include
"gdb_string.h" instead of <string.h>.
* gdbtk.c: Likewise.

* config/xm-sysv4.h, i386/xm-ptx.h, m68k/xm-sun3os4.h,
sparc/xm-sun4os4.h (HAVE_MMAP): Removed.

* config/xm-lynx.h, config/i386/xm-ptx.h,
config/m68k/nm-apollo68b.h, config/m68k/xm-hp300hpux.h,
config/mips/xm-irix3.h, config/mips/xm-mips.h,
config/mips/xm-news-mips.h, config/mips/xm-riscos.h,
config/pa/hppah.h, config/rs6000/xm-rs6000.h,
config/sparc/xm-sun4os4.h, config/sparc/xm-sun4sol2.h,
config/vax/xm-vaxbsd.h, config/vax/xm-vaxult.h,
config/vax/xm-vaxult2.h (MEM_FNS_DECLARED): Removed.
* config/mips/xm-irix3.h, config/mips/xm-mips.h,
config/pa/xm-hppah.h (memcpy, memset): Removed declarations.

1 files changed, 10 insertions, 39 deletions

diff --git a/gdb/breakpoint.c b/gdb/breakpoint.c
index 94e1dd5..0b388ad 100644
--- a/gdb/breakpoint.c
+++ b/gdb/breakpoint.c
@@ -34,7 +34,7 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.  */
 #include "thread.h"
 #include "target.h"
 #include "language.h"
-#include <string.h>
+#include "gdb_string.h"
 #include "demangle.h"
 #include "annotate.h"
 
@@ -152,34 +152,6 @@ static int executing_breakpoint_commands;
 	     b? (tmp=b->next, 1): 0;	\
 	     b = tmp)
 
-/* Provide defaults for systems that don't support hardware watchpoints. */
-
-#ifndef TARGET_CAN_USE_HARDWARE_WATCHPOINT
-
-/* Returns non-zero if we can set a hardware watchpoint of type TYPE.  TYPE is
-   one of bp_hardware_watchpoint, bp_read_watchpoint, bp_write_watchpoint, or
-   bp_hardware_breakpoint.  CNT is the number of such watchpoints used so far
-   (including this one?).  OTHERTYPE is who knows what...  */
-
-#define TARGET_CAN_USE_HARDWARE_WATCHPOINT(TYPE,CNT,OTHERTYPE) 0
-
-/* Set/clear a hardware watchpoint starting at ADDR, for LEN bytes.  TYPE is 1
-   for read and 2 for read/write accesses.  Returns 0 for success, non-zero for
-   failure.  */
-
-#define target_remove_watchpoint(ADDR,LEN,TYPE) -1
-#define target_insert_watchpoint(ADDR,LEN,TYPE) -1
-#endif
-
-#ifndef target_insert_hw_breakpoint
-#define target_remove_hw_breakpoint(ADDR,SHADOW) -1
-#define target_insert_hw_breakpoint(ADDR,SHADOW) -1
-#endif
-
-#ifndef target_stopped_data_address
-#define target_stopped_data_address() 0
-#endif
-
 /* True if breakpoint hit counts should be displayed in breakpoint info.  */
 
 int show_breakpoint_hit_counts = 1;
@@ -1114,8 +1086,8 @@ watchpoint_check (p)
 {
   bpstat bs = (bpstat) p;
   struct breakpoint *b;
-  struct frame_info *saved_frame, *fr;
-  int within_current_scope, saved_level;
+  struct frame_info *fr;
+  int within_current_scope;
 
   b = bs->breakpoint_at;
 
@@ -1258,14 +1230,6 @@ bpstat_stop_status (pc, not_a_breakpoint)
 	  && b->address != bp_addr)
 	continue;
 
-/* If defined, then we need to decr pc by this much after a hardware break-
-   point.  Presumably should override DECR_PC_AFTER_BREAK, though it doesn't
-   now...  */
-
-#ifndef DECR_PC_AFTER_HW_BREAK
-#define DECR_PC_AFTER_HW_BREAK 0
-#endif
-
       if (b->type == bp_hardware_breakpoint
 	  && b->address != (bp_addr - DECR_PC_AFTER_HW_BREAK))
 	continue;
@@ -2138,6 +2102,13 @@ set_momentary_breakpoint (sal, frame, type)
   b->enable = enabled;
   b->disposition = donttouch;
   b->frame = (frame ? frame->frame : 0);
+
+  /* If we're debugging a multi-threaded program, then we
+     want momentary breakpoints to be active in only a 
+     single thread of control.  */
+  if (in_thread_list (inferior_pid))
+    b->thread = pid_to_thread_id (inferior_pid);
+
   return b;
 }