* linespec.c: Include "target.h".

	(minsym_found): Handle minimal symbols pointing to function
	descriptors.  Use find_function_start_pc.
	* minsyms.c (msymbol_objfile): New function.
	* parse.c (write_exp_msymbol): Handle minimal symbols pointing
	to function descriptors.
	* symtab.c (fixup_section): Only use minimal symbol at the same
	address to determine section of a symbol.
	(find_function_start_pc): New function.
	(find_function_start_sal): Use it.
	* symtab.h (msymbol_objfile): Add prototype.
	(find_function_start_pc): Likewise.
	* value.c: Include "objfiles.h".
	(value_fn_field): Handle minimal symbols pointing to function
	descriptors.
	* Makefile.in (linespec.o): Update dependencies.
	(value.o): Likewise.

1 files changed, 20 insertions, 0 deletions

diff --git a/gdb/minsyms.c b/gdb/minsyms.c
index 1d0ae6c7f91..8dceb0d7f5e 100644
--- a/gdb/minsyms.c
+++ b/gdb/minsyms.c
@@ -132,6 +132,26 @@ add_minsym_to_demangled_hash_table (struct minimal_symbol *sym,
 }
 
 
+/* Return OBJFILE where minimal symbol SYM is defined.  */
+struct objfile *
+msymbol_objfile (struct minimal_symbol *sym)
+{
+  struct objfile *objf;
+  struct minimal_symbol *tsym;
+
+  unsigned int hash
+    = msymbol_hash (SYMBOL_LINKAGE_NAME (sym)) % MINIMAL_SYMBOL_HASH_SIZE;
+
+  for (objf = object_files; objf; objf = objf->next)
+    for (tsym = objf->msymbol_hash[hash]; tsym; tsym = tsym->hash_next)
+      if (tsym == sym)
+	return objf;
+
+  /* We should always be able to find the objfile ...  */
+  internal_error (__FILE__, __LINE__, _("failed internal consistency check"));
+}
+
+
 /* Look through all the current minimal symbol tables and find the
    first minimal symbol that matches NAME.  If OBJF is non-NULL, limit
    the search to that objfile.  If SFILE is non-NULL, the only file-scope