From 43b4c25efc59aa9651305948196a7b00ae8fdfa1 Mon Sep 17 00:00:00 2001
From: Michael Meissner <gnu@the-meissners.org>
Date: Mon, 29 Nov 1999 00:46:16 +0000
Subject: Add support for !literal and !lituse_base

---
 gas/config/tc-alpha.h | 44 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 44 insertions(+)

(limited to 'gas/config/tc-alpha.h')

diff --git a/gas/config/tc-alpha.h b/gas/config/tc-alpha.h
index a350513f3a7..632b04ebc3c 100644
--- a/gas/config/tc-alpha.h
+++ b/gas/config/tc-alpha.h
@@ -102,3 +102,47 @@ extern void alpha_frob_file_before_adjust PARAMS ((void));
   { ".sdata",   SHT_PROGBITS,   SHF_ALLOC + SHF_WRITE + SHF_ALPHA_GPREL  }, \
   { ".sbss",    SHT_NOBITS,     SHF_ALLOC + SHF_WRITE + SHF_ALPHA_GPREL  },
 #endif
+
+/* Whether to add support for explict !relocation_op!sequence_number.  At the
+   moment, only do this for ELF, though ECOFF could use it as well.  */
+
+#ifdef OBJ_ELF
+#define RELOC_OP_P
+#endif
+
+#ifdef RELOC_OP_P
+/* Before the relocations are written, reorder them, so that user supplied
+   !lituse relocations follow the appropriate !literal relocations.  Also
+   convert the gas-internal relocations to the appropriate linker relocations.
+   */
+#define tc_adjust_symtab() alpha_adjust_symtab ()
+extern void alpha_adjust_symtab PARAMS ((void));
+
+/* New fields for supporting explicit relocations (such as !literal to mark
+   where a pointer is loaded from the global table, and !lituse_base to track
+   all of the normal uses of that pointer).  */
+
+#define TC_FIX_TYPE struct alpha_fix_tag
+
+struct alpha_fix_tag
+{
+  struct fix *next_lituse;		/* next !lituse */
+  struct alpha_literal_tag *info;	/* other members with same sequence */
+};
+
+/* Initialize the TC_FIX_TYPE field.  */
+#define TC_INIT_FIX_DATA(fixP)						\
+do {									\
+  fixP->tc_fix_data.next_lituse = (struct fix *)0;			\
+  fixP->tc_fix_data.info = (struct alpha_literal_tag *)0;		\
+} while (0)
+
+/* Work with DEBUG5 to print fields in tc_fix_type.  */
+#define TC_FIX_DATA_PRINT(stream,fixP)					\
+do {									\
+  if (fixP->tc_fix_data.info)						\
+    fprintf (stderr, "\tinfo = 0x%lx, next_lituse = 0x%lx\n", \
+	     (long)fixP->tc_fix_data.info,				\
+	     (long)fixP->tc_fix_data.next_lituse);			\
+} while (0)
+#endif
-- 
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