2003-08-07 Andrew Cagney <cagney@redhat.com>

	* inferior.h (AT_SYMBOL): Define.
	* blockframe.c (inside_entry_file): Check for AT_SYMBOL.
	* infcall.c (call_function_by_hand): Add code to handle AT_SYMBOL.
	* mips-tdep.c (mips_call_dummy_address): Delete function.
	(mips_gdbarch_init): Set call_dummy_location to AT_SYMBOL, do not
	set call_dummy_address.

1 files changed, 17 insertions, 0 deletions

diff --git a/gdb/infcall.c b/gdb/infcall.c
index 4fd97ae..a4a6ac1 100644
--- a/gdb/infcall.c
+++ b/gdb/infcall.c
@@ -547,6 +547,23 @@ call_function_by_hand (struct value *function, int nargs, struct value **args)
          it's address is the same as the address of the dummy.  */
       bp_addr = dummy_addr;
       break;
+    case AT_SYMBOL:
+      /* Some executables define a symbol __CALL_DUMMY_ADDRESS whose
+	 address is the location where the breakpoint should be
+	 placed.  Once all targets are using the overhauled frame code
+	 this can be deleted - ON_STACK is a better option.  */
+      {
+	struct minimal_symbol *sym;
+
+	sym = lookup_minimal_symbol ("__CALL_DUMMY_ADDRESS", NULL, NULL);
+	real_pc = funaddr;
+	if (sym)
+	  dummy_addr = SYMBOL_VALUE_ADDRESS (sym);
+	else
+	  dummy_addr = entry_point_address ();
+	bp_addr = dummy_addr;
+	break;
+      }
     default:
       internal_error (__FILE__, __LINE__, "bad switch");
     }