From cdd2212f7514672add02f490e7f7ab19c67d3a6e Mon Sep 17 00:00:00 2001
From: Kung Hsu <kung@cygnus>
Date: Fri, 21 Apr 1995 20:02:50 +0000
Subject: 	* minsyms.c: add new function lookup_minimal_symbol_text, to
 look 	for text symbol only. 	* breakpoint.c (create_longjmp_breakpoint):
 call 	lookup_minimal_symbol_text instead of lookup_minimal_symbol. 	*
 symtab.h: add lookup_minimal_symbol_text prototype.

---
 gdb/minsyms.c | 78 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 78 insertions(+)

(limited to 'gdb/minsyms.c')

diff --git a/gdb/minsyms.c b/gdb/minsyms.c
index c04a353..75281ce 100644
--- a/gdb/minsyms.c
+++ b/gdb/minsyms.c
@@ -176,6 +176,84 @@ lookup_minimal_symbol (name, sfile, objf)
   return NULL;
 }
 
+/* Look through all the current minimal symbol tables and find the
+   first minimal symbol that matches NAME and of text type.  
+   If OBJF is non-NULL, limit
+   the search to that objfile.  If SFILE is non-NULL, limit the search
+   to that source file.  Returns a pointer to the minimal symbol that
+   matches, or NULL if no match is found.
+*/
+   
+struct minimal_symbol *
+lookup_minimal_symbol_text (name, sfile, objf)
+     register const char *name;
+     const char *sfile;
+     struct objfile *objf;
+{
+  struct objfile *objfile;
+  struct minimal_symbol *msymbol;
+  struct minimal_symbol *found_symbol = NULL;
+  struct minimal_symbol *found_file_symbol = NULL;
+  struct minimal_symbol *trampoline_symbol = NULL;
+
+#ifdef SOFUN_ADDRESS_MAYBE_MISSING
+  if (sfile != NULL)
+    {
+      char *p = strrchr (sfile, '/');
+      if (p != NULL)
+	sfile = p + 1;
+    }
+#endif
+
+  for (objfile = object_files;
+       objfile != NULL && found_symbol == NULL;
+       objfile = objfile -> next)
+    {
+      if (objf == NULL || objf == objfile)
+	{
+	  for (msymbol = objfile -> msymbols;
+	       msymbol != NULL && SYMBOL_NAME (msymbol) != NULL &&
+	       found_symbol == NULL;
+	       msymbol++)
+	    {
+	      if (SYMBOL_MATCHES_NAME (msymbol, name) && 
+		  (MSYMBOL_TYPE (msymbol) == mst_text ||
+		   MSYMBOL_TYPE (msymbol) == mst_file_text))
+		{
+		  switch (MSYMBOL_TYPE (msymbol))
+		    {
+		    case mst_file_text:
+#ifdef SOFUN_ADDRESS_MAYBE_MISSING
+		      if (sfile == NULL || STREQ (msymbol->filename, sfile))
+			found_file_symbol = msymbol;
+#else
+		      /* We have neither the ability nor the need to
+			 deal with the SFILE parameter.  If we find
+			 more than one symbol, just return the latest
+			 one (the user can't expect useful behavior in
+			 that case).  */
+		      found_file_symbol = msymbol;
+#endif
+		      break;
+		    default:
+		      found_symbol = msymbol;
+		      break;
+		    }
+		}
+	    }
+	}
+    }
+  /* External symbols are best.  */
+  if (found_symbol)
+    return found_symbol;
+
+  /* File-local symbols are next best.  */
+  if (found_file_symbol)
+    return found_file_symbol;
+
+  return NULL;
+}
+
 
 /* Search through the minimal symbol table for each objfile and find the
    symbol whose address is the largest address that is still less than or
-- 
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