From a15900b51c9fe3a9727a8e3575cfad0fe39c303f Mon Sep 17 00:00:00 2001
From: Daniel Jacobowitz <dan@codesourcery.com>
Date: Wed, 11 May 2005 14:59:09 +0000
Subject: [PATCH] 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              | 7 +++++++
 gcc/config/arm/arm.h       | 6 ++++++
 gcc/config/arm/linux-elf.h | 5 ++++-
 3 files changed, 17 insertions(+), 1 deletion(-)

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 46ac68c7929..c026bf36ce7 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,10 @@
+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
diff --git a/gcc/config/arm/arm.h b/gcc/config/arm/arm.h
index 1e5a972b40f..b75d89a64fe 100644
--- a/gcc/config/arm/arm.h
+++ b/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
diff --git a/gcc/config/arm/linux-elf.h b/gcc/config/arm/linux-elf.h
index 48b0f016401..b609a813a7c 100644
--- a/gcc/config/arm/linux-elf.h
+++ b/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}"