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[m32c] Define ASM_PREFERRED_EH_DATA_FORMAT
- From: DJ Delorie <dj at redhat dot com>
- To: gcc-patches at gcc dot gnu dot org
- Date: Fri, 25 Jan 2008 16:01:29 -0500
- Subject: [m32c] Define ASM_PREFERRED_EH_DATA_FORMAT
Based on Ian's advice. Committed.
2008-01-25 DJ Delorie <dj@redhat.com>
* config/m32c/m32c.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
Index: config/m32c/m32c.h
===================================================================
--- config/m32c/m32c.h (revision 131835)
+++ config/m32c/m32c.h (working copy)
@@ -455,12 +455,18 @@ enum reg_class
#define STATIC_CHAIN_REGNUM A0_REGNO
#define DWARF_FRAME_REGISTERS 20
#define DWARF_FRAME_REGNUM(N) m32c_dwarf_frame_regnum (N)
#define DBX_REGISTER_NUMBER(N) m32c_dwarf_frame_regnum (N)
+#undef ASM_PREFERRED_EH_DATA_FORMAT
+/* This is the same as the default in practice, except that by making
+ it explicit we tell binutils what size pointers to use. */
+#define ASM_PREFERRED_EH_DATA_FORMAT(CODE,GLOBAL) \
+ (TARGET_A16 ? DW_EH_PE_udata2 : DW_EH_PE_udata4)
+
/* Eliminating Frame Pointer and Arg Pointer */
/* If the frame pointer isn't used, we detect it manually. But the
stack pointer doesn't have as flexible addressing as the frame
pointer, so we always assume we have it. */
#define FRAME_POINTER_REQUIRED 1