linux-elf.h (SUBTARGET_FRAME_POINTER_REQUIRED): Define.

	* config/arm/linux-elf.h (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
	* config/arm/arm.h (SUBTARGET_FRAME_POINTER_REQUIRED): Provide
	default definition.
	(FRAME_POINTER_REQUIRED): Use SUBTARGET_FRAME_POINTER_REQUIRED.

From-SVN: r99581

gcc/ChangeLog

+2005-05-11  Daniel Jacobowitz  <dan@codesourcery.com>
+
+	* config/arm/linux-elf.h (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
+	* config/arm/arm.h (SUBTARGET_FRAME_POINTER_REQUIRED): Provide
+	default definition.
+	(FRAME_POINTER_REQUIRED): Use SUBTARGET_FRAME_POINTER_REQUIRED.
+
 2005-05-11  Nathan Sidwell  <nathan@codesourcery.com>
 
 	PR bootstrap/21481

gcc/config/arm/arm.h

@@ -861,8 +861,14 @@ extern int arm_structure_size_boundary;
    If we have to have a frame pointer we might as well make use of it.
    APCS says that the frame pointer does not need to be pushed in leaf
    functions, or simple tail call functions.  */
+
+#ifndef SUBTARGET_FRAME_POINTER_REQUIRED
+#define SUBTARGET_FRAME_POINTER_REQUIRED 0
+#endif
+
 #define FRAME_POINTER_REQUIRED					\
   (current_function_has_nonlocal_label				\
+   || SUBTARGET_FRAME_POINTER_REQUIRED				\
    || (TARGET_ARM && TARGET_APCS_FRAME && ! leaf_function_p ()))
 
 /* Return number of consecutive hard regs needed starting at reg REGNO

gcc/config/arm/linux-elf.h

@@ -128,11 +128,14 @@
 	   (TARGET_ARM && NEED_PLT_RELOC) ? "(PLT)" : "");		\
 }
 
-/* The linux profiler clobbers the link register.  Make sure the
+/* The GNU/Linux profiler clobbers the link register.  Make sure the
    prologue knows to save it.  */
 #define PROFILE_HOOK(X)						\
   emit_insn (gen_rtx_CLOBBER (VOIDmode, gen_rtx_REG (SImode, LR_REGNUM)))
 
+/* The GNU/Linux profiler needs a frame pointer.  */
+#define SUBTARGET_FRAME_POINTER_REQUIRED current_function_profile
+
 #undef  CC1_SPEC
 #define CC1_SPEC "%{profile:-p}"