aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--gdb/ChangeLog6
-rw-r--r--gdb/config/fr30/tm-fr30.h15
2 files changed, 19 insertions, 2 deletions
diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index df444e8..8e52b1f 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,9 @@
+
+Fri Jan 15 17:11:48 EST 1999 Zdenek Radouch (radouch@cygnus.com)
+
+ * config/fr30/tm-fr30.h: Changed ABI to match GCC change
+ (always use pointer for structs passed by value).
+
1999-01-15 Fernando Nasser <fnasser@totem.to.cygnus.com>
* target.h: added entry for target queries (to_query)
diff --git a/gdb/config/fr30/tm-fr30.h b/gdb/config/fr30/tm-fr30.h
index 3870f88..ea32792 100644
--- a/gdb/config/fr30/tm-fr30.h
+++ b/gdb/config/fr30/tm-fr30.h
@@ -213,9 +213,20 @@ fr30_push_arguments PARAMS ((int nargs, struct value **args, CORE_ADDR sp,
#define PC_IN_CALL_DUMMY(PC, SP, FP) generic_pc_in_call_dummy (PC, SP)
-/* always pass struct by value as a pointer */
-/* XXX Z.R. GCC does not do that today */
+/* Fujitsu's ABI requires all structs to be passed using a pointer.
+ That is obviously not very efficient, so I am leaving the definitions
+ to make gdb work with GCC style struct passing, in case we decide
+ to go for better performance, rather than for compatibility with
+ Fujitsu (just change STRUCT_ALWAYS_BY_ADDR to 0) */
+
+#define STRUCT_ALWAYS_BY_ADDR 1
+
+#if(STRUCT_ALWAYS_BY_ADDR)
+#define REG_STRUCT_HAS_ADDR(gcc_p,type) 1
+#else
+/* more standard GCC (optimized) */
#define REG_STRUCT_HAS_ADDR(gcc_p,type) \
((TYPE_LENGTH(type) > 4) && (TYPE_LENGTH(type) & 0x3))
+#endif
/* alway return struct by value by input pointer */
#define USE_STRUCT_CONVENTION(GCC_P, TYPE) 1