This commit was manufactured by cvs2svn to create branch 'gdb_6_2-branch'.jimb-gdb_6_2-e500-branchpointgdb_6_2-20040730-releasegdb_6_2-2004-07-10-gmt-branchpoint

Sprout from ezannoni_pie-20040323-branch 2004-03-23 23:05:53 UTC cvs2svn 'This commit was manufactured by cvs2svn to create branch'
Cherrypick from master 2004-07-09 18:42:14 UTC Andreas Schwab <schwab@linux-m68k.org> 'binutils/testsuite/:':
    ChangeLog
    MAINTAINERS
    Makefile.def
    Makefile.in
    Makefile.tpl
    config-ml.in
    config.sub
    config/ChangeLog
    config/acx.m4
    configure
    configure.in
    include/ChangeLog
    include/bfdlink.h
    include/coff/ChangeLog
    include/coff/ecoff.h
    include/coff/internal.h
    include/coff/mips.h
    include/demangle.h
    include/dis-asm.h
    include/elf/ChangeLog
    include/elf/common.h
    include/elf/cr16c.h
    include/elf/crx.h
    include/elf/m32r.h
    include/elf/mips.h
    include/elf/sh.h
    include/gdb/ChangeLog
    include/gdb/callback.h
    include/hashtab.h
    include/opcode/ChangeLog
    include/opcode/crx.h
    include/opcode/i386.h
    include/opcode/m68k.h
    include/splay-tree.h
    src-release
Delete:
    include/mpw/ChangeLog
    include/mpw/README
    include/mpw/dir.h
    include/mpw/dirent.h
    include/mpw/fcntl.h
    include/mpw/grp.h
    include/mpw/mpw.h
    include/mpw/pwd.h
    include/mpw/spin.h
    include/mpw/stat.h
    include/mpw/sys/file.h
    include/mpw/sys/param.h
    include/mpw/sys/resource.h
    include/mpw/sys/stat.h
    include/mpw/sys/time.h
    include/mpw/sys/types.h
    include/mpw/utime.h
    include/mpw/varargs.h
    mpw-README
    mpw-build.in
    mpw-config.in
    mpw-configure
    mpw-install

1 files changed, 9 insertions, 2 deletions

diff --git a/include/gdb/callback.h b/include/gdb/callback.h
index 3fa419143..aa956d05f 100644
--- a/include/gdb/callback.h
+++ b/include/gdb/callback.h
@@ -123,8 +123,15 @@ struct host_callback_struct
   int last_errno;		/* host format */
 
   int fdmap[MAX_CALLBACK_FDS];
-  char fdopen[MAX_CALLBACK_FDS];
-  char alwaysopen[MAX_CALLBACK_FDS];
+  /* fd_buddy is used to contruct circular lists of target fds that point to
+     the same host fd.  A uniquely mapped fd points to itself; for a closed
+     one, fd_buddy has the value -1.  The host file descriptors for stdin /
+     stdout / stderr are never closed by the simulators, so they are put
+     in a special fd_buddy circular list which also has MAX_CALLBACK_FDS
+     as a member.  */
+  /* ??? We don't have a callback entry for dup, although it is trival to
+     implement now.  */
+  short fd_buddy[MAX_CALLBACK_FDS+1];
 
   /* System call numbers.  */
   CB_TARGET_DEFS_MAP *syscall_map;