From 58d370e0e6b0b1cc1df5b587ca39a14e975f5850 Mon Sep 17 00:00:00 2001
From: Tom Tromey <tromey@redhat.com>
Date: Fri, 21 Dec 2001 22:32:37 +0000
Subject: 	* configure, config.in: Rebuilt. 	* configure.in: Check
 for realpath. 	* defs.h (gdb_realpath): Declare. 	* symtab.h
 (partial_symtab): Added fullname field. 	* source.c (openp): Use
 gdb_realpath. 	(forget_cached_source_info): Clear full name of each partial 
 symtab. 	* utils.c (gdb_realpath): New function. 	* symtab.c
 (lookup_symtab): Removed. 	(lookup_symtab_1): Renamed to lookup_symtab. 
 (lookup_symtab): Look for real path. 	(lookup_partial_symtab): Likewise.

---
 gdb/symtab.c | 48 +++++++++++++++++++++++++++++++++++++++++++++++-
 1 file changed, 47 insertions(+), 1 deletion(-)

(limited to 'gdb/symtab.c')

diff --git a/gdb/symtab.c b/gdb/symtab.c
index d11daba..2353ae5 100644
--- a/gdb/symtab.c
+++ b/gdb/symtab.c
@@ -141,14 +141,38 @@ lookup_symtab (const char *name)
   register struct symtab *s;
   register struct partial_symtab *ps;
   register struct objfile *objfile;
+  char *real_path = NULL;
+
+  /* Here we are interested in canonicalizing an absolute path, not
+     absolutizing a relative path.  */
+  if (IS_ABSOLUTE_PATH (name))
+    real_path = gdb_realpath (name);
 
 got_symtab:
 
   /* First, search for an exact match */
 
   ALL_SYMTABS (objfile, s)
+  {
     if (FILENAME_CMP (name, s->filename) == 0)
-      return s;
+      {
+	xfree (real_path);
+	return s;
+      }
+    /* If the user gave us an absolute path, try to find the file in
+       this symtab and use its absolute path.  */
+    if (real_path != NULL)
+      {
+	char *rp = symtab_to_filename (s);
+	if (FILENAME_CMP (real_path, rp) == 0)
+	  {
+	    xfree (real_path);
+	    return s;
+	  }
+      }
+  }
+
+  xfree (real_path);
 
   /* Now, search for a matching tail (only if name doesn't have any dirs) */
 
@@ -195,15 +219,37 @@ lookup_partial_symtab (const char *name)
 {
   register struct partial_symtab *pst;
   register struct objfile *objfile;
+  char *real_path = NULL;
+
+  /* Here we are interested in canonicalizing an absolute path, not
+     absolutizing a relative path.  */
+  if (IS_ABSOLUTE_PATH (name))
+    real_path = gdb_realpath (name);
 
   ALL_PSYMTABS (objfile, pst)
   {
     if (FILENAME_CMP (name, pst->filename) == 0)
       {
+	xfree (real_path);
 	return (pst);
       }
+    /* If the user gave us an absolute path, try to find the file in
+       this symtab and use its absolute path.  */
+    if (real_path != NULL)
+      {
+	if (pst->fullname == NULL)
+	  source_full_path_of (pst->filename, &pst->fullname);
+	if (pst->fullname != NULL
+	    && FILENAME_CMP (real_path, pst->fullname) == 0)
+	  {
+	    xfree (real_path);
+	    return pst;
+	  }
+      }
   }
 
+  xfree (real_path);
+
   /* Now, search for a matching tail (only if name doesn't have any dirs) */
 
   if (lbasename (name) == name)
-- 
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