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authorAndrew Cagney <cagney@redhat.com>2004-06-20 18:10:14 +0000
committerAndrew Cagney <cagney@redhat.com>2004-06-20 18:10:14 +0000
commit750eb019f10b80dfed775e0062e33326f5a79adb (patch)
tree428eaa7d99873e8068d8c213ad6cbcfd725b0642 /gdb/arch-utils.c
parentb5622e8d3cc3ba6ed60cbfee39a9c094074e27a1 (diff)
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2004-06-20 Andrew Cagney <cagney@gnu.org>
* gdbarch.sh (RETURN_VALUE): Default to legacy_return_value. * gdbarch.h, gdbarch.c: Re-generate. * Makefile.in (arch-utils.o): Update dependencies. * values.c (using_struct_return): Move code calling USE_STRUCT_CONVENTION to legacy_return_value, simplify. * stack.c (return_command): Move code calling STORE_RETURN_VALUE to legacy_return_value, simplify. * infcmd.c (print_return_value): Move code calling DEPRECATED_EXTRACT_STRUCT_VALUE_ADDRESS and EXTRACT_RETURN_VALUE to legacy_return_value, simplify. * infcall.c (call_function_by_hand): Move code calling EXTRACT_RETURN_VALUE to legacy_return_value, simplify. * arch-utils.c: Update copyright. Include "gdbcore.h". (legacy_return_value): New function. * arch-utils.h: Update copyright. (legacy_return_value): Declare.
Diffstat (limited to 'gdb/arch-utils.c')
-rw-r--r--gdb/arch-utils.c41
1 files changed, 37 insertions, 4 deletions
diff --git a/gdb/arch-utils.c b/gdb/arch-utils.c
index 2ec0674..d7bbe6c 100644
--- a/gdb/arch-utils.c
+++ b/gdb/arch-utils.c
@@ -1,7 +1,7 @@
/* Dynamic architecture support for GDB, the GNU debugger.
- Copyright 1998, 1999, 2000, 2001, 2002, 2003 Free Software Foundation,
- Inc.
+ Copyright 1998, 1999, 2000, 2001, 2002, 2003, 2004 Free Software
+ Foundation, Inc.
This file is part of GDB.
@@ -30,7 +30,7 @@
#include "regcache.h"
#include "gdb_assert.h"
#include "sim-regno.h"
-
+#include "gdbcore.h"
#include "osabi.h"
#include "version.h"
@@ -60,13 +60,46 @@ legacy_store_return_value (struct type *type, struct regcache *regcache,
DEPRECATED_STORE_RETURN_VALUE (type, b);
}
-
int
always_use_struct_convention (int gcc_p, struct type *value_type)
{
return 1;
}
+enum return_value_convention
+legacy_return_value (struct gdbarch *gdbarch, struct type *valtype,
+ struct regcache *regcache, void *readbuf,
+ const void *writebuf)
+{
+ /* NOTE: cagney/2004-06-13: The gcc_p parameter to
+ USE_STRUCT_CONVENTION isn't used. */
+ int struct_return = ((TYPE_CODE (valtype) == TYPE_CODE_STRUCT
+ || TYPE_CODE (valtype) == TYPE_CODE_UNION
+ || TYPE_CODE (valtype) == TYPE_CODE_ARRAY)
+ && DEPRECATED_USE_STRUCT_CONVENTION (0, valtype));
+
+ if (writebuf != NULL)
+ {
+ gdb_assert (!struct_return);
+ /* NOTE: cagney/2004-06-13: See stack.c:return_command. Old
+ architectures don't expect STORE_RETURN_VALUE to handle small
+ structures. Should not be called with such types. */
+ gdb_assert (TYPE_CODE (valtype) != TYPE_CODE_STRUCT
+ && TYPE_CODE (valtype) != TYPE_CODE_UNION);
+ STORE_RETURN_VALUE (valtype, regcache, writebuf);
+ }
+
+ if (readbuf != NULL)
+ {
+ gdb_assert (!struct_return);
+ EXTRACT_RETURN_VALUE (valtype, regcache, readbuf);
+ }
+
+ if (struct_return)
+ return RETURN_VALUE_STRUCT_CONVENTION;
+ else
+ return RETURN_VALUE_REGISTER_CONVENTION;
+}
int
legacy_register_sim_regno (int regnum)