2000-08-29 Michael Snyder <msnyder@cleaver.cygnus.com>

        * i386-linux-nat.c (i386_linux_skip_solib_resolver,
        skip_hurd_resolver, find_minsym_and_objfile): Move these
        solib functions into i386-linux-tdep.c for cross debugging.
        * i386-linux-tdep.c: Receive the above functions.

1 files changed, 0 insertions, 97 deletions

diff --git a/gdb/i386-linux-nat.c b/gdb/i386-linux-nat.c
index 49149830e84..15e6a189bf7 100644
--- a/gdb/i386-linux-nat.c
+++ b/gdb/i386-linux-nat.c
@@ -22,11 +22,6 @@
 #include "inferior.h"
 #include "gdbcore.h"
 
-/* For i386_linux_skip_solib_resolver.  */
-#include "symtab.h"
-#include "symfile.h"
-#include "objfiles.h"
-
 #include <sys/ptrace.h>
 #include <sys/user.h>
 #include <sys/procfs.h>
@@ -797,98 +792,6 @@ child_resume (int pid, int step, enum target_signal signal)
 }
 
 
-/* Calling functions in shared libraries.  */
-/* FIXME: kettenis/2000-03-05: Doesn't this belong in a
-   target-dependent file?  The function
-   `i386_linux_skip_solib_resolver' is mentioned in
-   `config/i386/tm-linux.h'.  */
-
-/* Find the minimal symbol named NAME, and return both the minsym
-   struct and its objfile.  This probably ought to be in minsym.c, but
-   everything there is trying to deal with things like C++ and
-   SOFUN_ADDRESS_MAYBE_TURQUOISE, ...  Since this is so simple, it may
-   be considered too special-purpose for general consumption.  */
-
-static struct minimal_symbol *
-find_minsym_and_objfile (char *name, struct objfile **objfile_p)
-{
-  struct objfile *objfile;
-
-  ALL_OBJFILES (objfile)
-    {
-      struct minimal_symbol *msym;
-
-      ALL_OBJFILE_MSYMBOLS (objfile, msym)
-	{
-	  if (SYMBOL_NAME (msym)
-	      && STREQ (SYMBOL_NAME (msym), name))
-	    {
-	      *objfile_p = objfile;
-	      return msym;
-	    }
-	}
-    }
-
-  return 0;
-}
-
-static CORE_ADDR
-skip_hurd_resolver (CORE_ADDR pc)
-{
-  /* The HURD dynamic linker is part of the GNU C library, so many
-     GNU/Linux distributions use it.  (All ELF versions, as far as I
-     know.)  An unresolved PLT entry points to "_dl_runtime_resolve",
-     which calls "fixup" to patch the PLT, and then passes control to
-     the function.
-
-     We look for the symbol `_dl_runtime_resolve', and find `fixup' in
-     the same objfile.  If we are at the entry point of `fixup', then
-     we set a breakpoint at the return address (at the top of the
-     stack), and continue.
-  
-     It's kind of gross to do all these checks every time we're
-     called, since they don't change once the executable has gotten
-     started.  But this is only a temporary hack --- upcoming versions
-     of Linux will provide a portable, efficient interface for
-     debugging programs that use shared libraries.  */
-
-  struct objfile *objfile;
-  struct minimal_symbol *resolver 
-    = find_minsym_and_objfile ("_dl_runtime_resolve", &objfile);
-
-  if (resolver)
-    {
-      struct minimal_symbol *fixup
-	= lookup_minimal_symbol ("fixup", 0, objfile);
-
-      if (fixup && SYMBOL_VALUE_ADDRESS (fixup) == pc)
-	return (SAVED_PC_AFTER_CALL (get_current_frame ()));
-    }
-
-  return 0;
-}      
-
-/* See the comments for SKIP_SOLIB_RESOLVER at the top of infrun.c.
-   This function:
-   1) decides whether a PLT has sent us into the linker to resolve
-      a function reference, and 
-   2) if so, tells us where to set a temporary breakpoint that will
-      trigger when the dynamic linker is done.  */
-
-CORE_ADDR
-i386_linux_skip_solib_resolver (CORE_ADDR pc)
-{
-  CORE_ADDR result;
-
-  /* Plug in functions for other kinds of resolvers here.  */
-  result = skip_hurd_resolver (pc);
-  if (result)
-    return result;
-
-  return 0;
-}
-
-
 /* Register that we are able to handle Linux ELF core file formats.  */
 
 static struct core_fns linux_elf_core_fns =