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-rw-r--r--gdb/gdbarch.c36
1 files changed, 36 insertions, 0 deletions
diff --git a/gdb/gdbarch.c b/gdb/gdbarch.c
index be5cccf..21645d9 100644
--- a/gdb/gdbarch.c
+++ b/gdb/gdbarch.c
@@ -150,6 +150,7 @@ struct gdbarch
gdbarch_write_fp_ftype *write_fp;
gdbarch_read_sp_ftype *read_sp;
gdbarch_write_sp_ftype *write_sp;
+ gdbarch_virtual_frame_pointer_ftype *virtual_frame_pointer;
gdbarch_register_read_ftype *register_read;
gdbarch_register_write_ftype *register_write;
int num_regs;
@@ -331,6 +332,7 @@ struct gdbarch startup_gdbarch =
0,
0,
0,
+ 0,
generic_get_saved_register,
0,
0,
@@ -429,6 +431,7 @@ gdbarch_alloc (const struct gdbarch_info *info,
gdbarch->write_fp = generic_target_write_fp;
gdbarch->read_sp = generic_target_read_sp;
gdbarch->write_sp = generic_target_write_sp;
+ gdbarch->virtual_frame_pointer = legacy_virtual_frame_pointer;
gdbarch->num_regs = -1;
gdbarch->sp_regnum = -1;
gdbarch->fp_regnum = -1;
@@ -534,6 +537,7 @@ verify_gdbarch (struct gdbarch *gdbarch)
/* Skip verify of write_fp, invalid_p == 0 */
/* Skip verify of read_sp, invalid_p == 0 */
/* Skip verify of write_sp, invalid_p == 0 */
+ /* Skip verify of virtual_frame_pointer, invalid_p == 0 */
/* Skip verify of register_read, has predicate */
/* Skip verify of register_write, has predicate */
if ((GDB_MULTI_ARCH >= 2)
@@ -894,6 +898,13 @@ gdbarch_dump (struct gdbarch *gdbarch, struct ui_file *file)
"TARGET_WRITE_SP(val)",
XSTRING (TARGET_WRITE_SP (val)));
#endif
+#if defined (TARGET_VIRTUAL_FRAME_POINTER) && GDB_MULTI_ARCH
+ /* Macro might contain `[{}]' when not multi-arch */
+ fprintf_unfiltered (file,
+ "gdbarch_dump: %s # %s\n",
+ "TARGET_VIRTUAL_FRAME_POINTER(pc, frame_regnum, frame_offset)",
+ XSTRING (TARGET_VIRTUAL_FRAME_POINTER (pc, frame_regnum, frame_offset)));
+#endif
#ifdef NUM_REGS
fprintf_unfiltered (file,
"gdbarch_dump: NUM_REGS # %s\n",
@@ -1565,6 +1576,13 @@ gdbarch_dump (struct gdbarch *gdbarch, struct ui_file *file)
(long) current_gdbarch->write_sp
/*TARGET_WRITE_SP ()*/);
#endif
+#ifdef TARGET_VIRTUAL_FRAME_POINTER
+ if (GDB_MULTI_ARCH)
+ fprintf_unfiltered (file,
+ "gdbarch_dump: TARGET_VIRTUAL_FRAME_POINTER = 0x%08lx\n",
+ (long) current_gdbarch->virtual_frame_pointer
+ /*TARGET_VIRTUAL_FRAME_POINTER ()*/);
+#endif
if (GDB_MULTI_ARCH)
fprintf_unfiltered (file,
"gdbarch_dump: register_read = 0x%08lx\n",
@@ -2497,6 +2515,24 @@ set_gdbarch_write_sp (struct gdbarch *gdbarch,
gdbarch->write_sp = write_sp;
}
+void
+gdbarch_virtual_frame_pointer (struct gdbarch *gdbarch, CORE_ADDR pc, int *frame_regnum, LONGEST *frame_offset)
+{
+ if (gdbarch->virtual_frame_pointer == 0)
+ internal_error (__FILE__, __LINE__,
+ "gdbarch: gdbarch_virtual_frame_pointer invalid");
+ if (gdbarch_debug >= 2)
+ fprintf_unfiltered (gdb_stdlog, "gdbarch_virtual_frame_pointer called\n");
+ gdbarch->virtual_frame_pointer (pc, frame_regnum, frame_offset);
+}
+
+void
+set_gdbarch_virtual_frame_pointer (struct gdbarch *gdbarch,
+ gdbarch_virtual_frame_pointer_ftype virtual_frame_pointer)
+{
+ gdbarch->virtual_frame_pointer = virtual_frame_pointer;
+}
+
int
gdbarch_register_read_p (struct gdbarch *gdbarch)
{