From 6b9a135d72c3826b9b5e2a5d35acfb777ec18dcd Mon Sep 17 00:00:00 2001
From: Mark Wielaard <mark@klomp.org>
Date: Mon, 3 Aug 2020 22:02:24 +0200
Subject: gas: Use udata for DW_AT_high_pc when emitting DWARF4

For DWARF4 DW_AT_high_pc can be expressed as constant offset from
DW_AT_low_pc which saves a relocation. Use DW_FORM_udate (uleb128)
to keep the constant value as small as possible.

gas/ChangeLog:

       * dwarf2dbg.c (out_debug_abbrev): When DWARF2_VERSION >= 4, use
       DW_FORM_udata for DW_AT_high_pc.
       (out_debug_info): Use emit_leb128_expr for DW_AT_high_pc, when
       DWARF2_VERSION >= 4.
       * read.c (emit_leb128_exp): No longer static.
       * read.h (emit_leb128_exp): Define.
---
 gas/read.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'gas/read.c')

diff --git a/gas/read.c b/gas/read.c
index 8f93c2b..f192cc1 100644
--- a/gas/read.c
+++ b/gas/read.c
@@ -5138,7 +5138,7 @@ output_big_leb128 (char *p, LITTLENUM_TYPE *bignum, unsigned int size, int sign)
 /* Generate the appropriate fragments for a given expression to emit a
    leb128 value.  SIGN is 1 for sleb, 0 for uleb.  */
 
-static void
+void
 emit_leb128_expr (expressionS *exp, int sign)
 {
   operatorT op = exp->X_op;
-- 
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