From c973d557baa81d9f9d55f1107f94d3904ba4ba6b Mon Sep 17 00:00:00 2001
From: Jakub Jelinek <jakub@redhat.com>
Date: Fri, 12 Mar 2004 22:52:13 +0100
Subject: [PATCH] rs6000-protos.h (rs6000_output_dwarf_dtprel): Add prototype.

	* config/rs6000/rs6000-protos.h (rs6000_output_dwarf_dtprel): Add
	prototype.
	* config/rs6000/rs6000.c (rs6000_output_dwarf_dtprel): New.
	* config/rs6000/rs6000.h (ASM_OUTPUT_DWARF_DTPREL): Define.

From-SVN: r79408
---
 gcc/ChangeLog                     |  7 +++++++
 gcc/config/rs6000/rs6000-protos.h |  1 +
 gcc/config/rs6000/rs6000.c        | 21 +++++++++++++++++++++
 gcc/config/rs6000/rs6000.h        |  7 +++++++
 4 files changed, 36 insertions(+)

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index ba634503f89..75848cda66f 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,10 @@
+2004-03-12  Jakub Jelinek  <jakub@redhat.com>
+
+	* config/rs6000/rs6000-protos.h (rs6000_output_dwarf_dtprel): Add
+	prototype.
+	* config/rs6000/rs6000.c (rs6000_output_dwarf_dtprel): New.
+	* config/rs6000/rs6000.h (ASM_OUTPUT_DWARF_DTPREL): Define.
+
 2003-03-12  Andrew Pinski  <apinski@apple.com>
 
 	* config/rs6000/host-darwin.c (darwin_rs6000_gt_pch_use_address):
diff --git a/gcc/config/rs6000/rs6000-protos.h b/gcc/config/rs6000/rs6000-protos.h
index 1121e309db9..5c778e15f05 100644
--- a/gcc/config/rs6000/rs6000-protos.h
+++ b/gcc/config/rs6000/rs6000-protos.h
@@ -198,6 +198,7 @@ extern int rs6000_register_move_cost (enum machine_mode,
 extern int rs6000_memory_move_cost (enum machine_mode, enum reg_class, int);
 extern bool rs6000_tls_referenced_p (rtx);
 extern int rs6000_tls_symbol_ref (rtx, enum machine_mode);
+extern void rs6000_output_dwarf_dtprel (FILE*, int, rtx);
 
 /* Declare functions in rs6000-c.c */
 
diff --git a/gcc/config/rs6000/rs6000.c b/gcc/config/rs6000/rs6000.c
index d53c32eea93..55774649e0e 100644
--- a/gcc/config/rs6000/rs6000.c
+++ b/gcc/config/rs6000/rs6000.c
@@ -2787,6 +2787,27 @@ rs6000_legitimize_address (rtx x, rtx oldx ATTRIBUTE_UNUSED,
     return NULL_RTX;
 }
 
+/* This is called from dwarf2out.c via ASM_OUTPUT_DWARF_DTPREL.
+   We need to emit DTP-relative relocations.  */
+
+void
+rs6000_output_dwarf_dtprel (FILE *file, int size, rtx x)
+{
+  switch (size)
+    {
+    case 4:
+      fputs ("\t.long\t", file);
+      break;
+    case 8:
+      fputs (DOUBLE_INT_ASM_OP, file);
+      break;
+    default:
+      abort ();
+    }
+  output_addr_const (file, x);
+  fputs ("@dtprel+0x8000", file);
+}
+
 /* Construct the SYMBOL_REF for the tls_get_addr function.  */
 
 static GTY(()) rtx rs6000_tls_symbol;
diff --git a/gcc/config/rs6000/rs6000.h b/gcc/config/rs6000/rs6000.h
index d520cb64efd..aceb56d4ffb 100644
--- a/gcc/config/rs6000/rs6000.h
+++ b/gcc/config/rs6000/rs6000.h
@@ -232,6 +232,13 @@ extern int target_flags;
 #define TARGET_UPDATE		(! TARGET_NO_UPDATE)
 #define TARGET_FUSED_MADD	(! TARGET_NO_FUSED_MADD)
 
+/* Emit a dtp-relative reference to a TLS variable.  */
+
+#ifdef HAVE_AS_TLS
+#define ASM_OUTPUT_DWARF_DTPREL(FILE, SIZE, X) \
+  rs6000_output_dwarf_dtprel (FILE, SIZE, X)
+#endif
+
 #ifndef HAVE_AS_TLS
 #define HAVE_AS_TLS 0
 #endif