Fix comments on `struct frame_info'.

[deliverable/binutils-gdb.git] / gdb / gdbarch.h

diff --git a/gdb/gdbarch.h b/gdb/gdbarch.h
index 287ec83e48e2cc6f540e96a35141abddb63d341f..f2a10332e1dbc266bab4e8b7d9fb99b371fd99dd 100644 (file)
--- a/gdb/gdbarch.h
+++ b/gdb/gdbarch.h
@@ -400,6 +400,27 @@ extern void set_gdbarch_write_sp (struct gdbarch *gdbarch, gdbarch_write_sp_ftyp
 #endif
 #endif
 
+/* Function for getting target's idea of a frame pointer.  FIXME: GDB's
+   whole scheme for dealing with "frames" and "frame pointers" needs a
+   serious shakedown. */
+
+/* Default (function) for non- multi-arch platforms. */
+#if (!GDB_MULTI_ARCH) && !defined (TARGET_VIRTUAL_FRAME_POINTER)
+#define TARGET_VIRTUAL_FRAME_POINTER(pc, frame_regnum, frame_offset) (legacy_virtual_frame_pointer (pc, frame_regnum, frame_offset))
+#endif
+
+typedef void (gdbarch_virtual_frame_pointer_ftype) (CORE_ADDR pc, int *frame_regnum, LONGEST *frame_offset);
+extern void gdbarch_virtual_frame_pointer (struct gdbarch *gdbarch, CORE_ADDR pc, int *frame_regnum, LONGEST *frame_offset);
+extern void set_gdbarch_virtual_frame_pointer (struct gdbarch *gdbarch, gdbarch_virtual_frame_pointer_ftype *virtual_frame_pointer);
+#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) && defined (TARGET_VIRTUAL_FRAME_POINTER)
+#error "Non multi-arch definition of TARGET_VIRTUAL_FRAME_POINTER"
+#endif
+#if GDB_MULTI_ARCH
+#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (TARGET_VIRTUAL_FRAME_POINTER)
+#define TARGET_VIRTUAL_FRAME_POINTER(pc, frame_regnum, frame_offset) (gdbarch_virtual_frame_pointer (current_gdbarch, pc, frame_regnum, frame_offset))
+#endif
+#endif
+
 extern int gdbarch_register_read_p (struct gdbarch *gdbarch);
 
 typedef void (gdbarch_register_read_ftype) (struct gdbarch *gdbarch, int regnum, char *buf);
@@ -1926,6 +1947,23 @@ extern void set_gdbarch_software_single_step (struct gdbarch *gdbarch, gdbarch_s
 #endif
 #endif
 
+/* Default (function) for non- multi-arch platforms. */
+#if (!GDB_MULTI_ARCH) && !defined (SKIP_TRAMPOLINE_CODE)
+#define SKIP_TRAMPOLINE_CODE(pc) (generic_skip_trampoline_code (pc))
+#endif
+
+typedef CORE_ADDR (gdbarch_skip_trampoline_code_ftype) (CORE_ADDR pc);
+extern CORE_ADDR gdbarch_skip_trampoline_code (struct gdbarch *gdbarch, CORE_ADDR pc);
+extern void set_gdbarch_skip_trampoline_code (struct gdbarch *gdbarch, gdbarch_skip_trampoline_code_ftype *skip_trampoline_code);
+#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) && defined (SKIP_TRAMPOLINE_CODE)
+#error "Non multi-arch definition of SKIP_TRAMPOLINE_CODE"
+#endif
+#if GDB_MULTI_ARCH
+#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (SKIP_TRAMPOLINE_CODE)
+#define SKIP_TRAMPOLINE_CODE(pc) (gdbarch_skip_trampoline_code (current_gdbarch, pc))
+#endif
+#endif
+
 extern struct gdbarch_tdep *gdbarch_tdep (struct gdbarch *gdbarch);