* 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.

gdb/infptrace.c

@@ -1,5 +1,6 @@
 /* Low level Unix child interface to ptrace, for GDB when running under Unix.
-   Copyright 1988, 1989, 1990, 1991, 1992 Free Software Foundation, Inc.
+   Copyright 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995
+   Free Software Foundation, Inc.
 
 This file is part of GDB.
 
@@ -21,6 +22,7 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.  */
 #include "frame.h"
 #include "inferior.h"
 #include "target.h"
+#include "gdb_string.h"
 
 #ifdef USG
 #include <sys/types.h>
@@ -69,7 +71,7 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.  */
 /* Don't think this is used anymore.  On the sequent (not sure whether it's
    dynix or ptx or both), it is included unconditionally by sys/user.h and
    not protected against multiple inclusion.  */
-#include <sys/stat.h>
+#include "gdb_stat.h"
 #endif
 
 #if !defined (FETCH_INFERIOR_REGISTERS)
@@ -110,13 +112,18 @@ kill_inferior ()
   if (inferior_pid == 0)
     return;
   /* ptrace PT_KILL only works if process is stopped!!!  So stop it with
-     a real signal first, if we can.  */
+     a real signal first, if we can.  FIXME: This is bogus.  When the inferior
+     is not stopped, GDB should just be waiting for it.  Either the following
+     line is unecessary, or there is some problem elsewhere in GDB which
+     causes us to get here when the inferior is not stopped.  */
   kill (inferior_pid, SIGKILL);
   ptrace (PT_KILL, inferior_pid, (PTRACE_ARG3_TYPE) 0, 0);
   wait ((int *)0);
   target_mourn_inferior ();
 }
 
+#ifndef CHILD_RESUME
+
 /* Resume execution of the inferior process.
    If STEP is nonzero, single-step it.
    If SIGNAL is nonzero, give it that signal.  */
@@ -131,15 +138,9 @@ child_resume (pid, step, signal)
 
   if (pid == -1)
     /* Resume all threads.  */
-#ifdef PIDGET
-    /* This is for Lynx, and should be cleaned up by having Lynx be
-       a separate debugging target, with its own target_resume function.  */
-    pid = PIDGET (inferior_pid);
-#else
     /* I think this only gets used in the non-threaded case, where "resume
        all threads" and "resume inferior_pid" are the same.  */
     pid = inferior_pid;
-#endif
 
   /* An address of (PTRACE_ARG3_TYPE)1 tells ptrace to continue from where
      it was.  (If GDB wanted it to start some other way, we have already
@@ -160,6 +161,8 @@ child_resume (pid, step, signal)
   if (errno)
     perror_with_name ("ptrace");
 }
+#endif /* CHILD_RESUME */
+
 
 #ifdef ATTACH_DETACH
 /* Start debugging the process whose number is PID.  */
@@ -243,7 +246,8 @@ static void
 fetch_register (regno)
      int regno;
 {
-  register unsigned int regaddr;
+  /* This isn't really an address.  But ptrace thinks of it as one.  */
+  CORE_ADDR regaddr;
   char buf[MAX_REGISTER_RAW_SIZE];
   char mess[128];				/* For messages */
   register int i;
@@ -283,9 +287,14 @@ void
 fetch_inferior_registers (regno)
      int regno;
 {
+  int numregs;
+
   if (regno == -1)
-    for (regno = 0; regno < NUM_REGS; regno++)
-      fetch_register (regno);
+    {
+      numregs = ARCH_NUM_REGS;
+      for (regno = 0; regno < numregs; regno++)
+        fetch_register (regno);
+    }
   else
     fetch_register (regno);
 }
@@ -303,9 +312,10 @@ void
 store_inferior_registers (regno)
      int regno;
 {
-  register unsigned int regaddr;
+  /* This isn't really an address.  But ptrace thinks of it as one.  */
+  CORE_ADDR regaddr;
   char buf[80];
-  register int i;
+  register int i, numregs;
 
   unsigned int offset = U_REGS_OFFSET;
 
@@ -327,7 +337,8 @@ store_inferior_registers (regno)
     }
   else
     {
-      for (regno = 0; regno < NUM_REGS; regno++)
+      numregs = ARCH_NUM_REGS;
+      for (regno = 0; regno < numregs; regno++)
 	{
 	  if (CANNOT_STORE_REGISTER (regno))
 	    continue;