* dwarf2dbg.c (dwarf2_directive_loc): Emit duplicate .loc directives.

	* gas/lns/lns-duplicate.d, gas/lns/lns-duplicate.s: New.
	* gas/lns/lns.exp: Run lns-duplicate.

diff --git a/gas/ChangeLog b/gas/ChangeLog
index 21aaf0d..271643f 100644 (file)
--- a/gas/ChangeLog
+++ b/gas/ChangeLog
@@ -1,3 +1,7 @@
+2007-08-29  Daniel Jacobowitz  <dan@codesourcery.com>
+
+       * dwarf2dbg.c (dwarf2_directive_loc): Emit duplicate .loc directives.
+
 2007-08-28  Daniel Jacobowitz  <dan@codesourcery.com>
 
        * doc/c-arc.texi: Fix typo.

diff --git a/gas/dwarf2dbg.c b/gas/dwarf2dbg.c
index 93b5f48..39e434c 100644 (file)
--- a/gas/dwarf2dbg.c
+++ b/gas/dwarf2dbg.c
@@ -570,6 +570,11 @@ dwarf2_directive_loc (int dummy ATTRIBUTE_UNUSED)
 {
   offsetT filenum, line;
 
+  /* If we see two .loc directives in a row, force the first one to be
+     output now.  */
+  if (loc_directive_seen)
+    dwarf2_emit_insn (0);
+
   filenum = get_absolute_expression ();
   SKIP_WHITESPACE ();
   line = get_absolute_expression ();

diff --git a/gas/testsuite/ChangeLog b/gas/testsuite/ChangeLog
index 8127ac8..39c07f0 100644 (file)
--- a/gas/testsuite/ChangeLog
+++ b/gas/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2007-08-29  Daniel Jacobowitz  <dan@codesourcery.com>
+
+       * gas/lns/lns-duplicate.d, gas/lns/lns-duplicate.s: New.
+       * gas/lns/lns.exp: Run lns-duplicate.
+
 2007-08-29  H.J. Lu  <hongjiu.lu@intel.com>
 
        * gas/i386/i386.exp: Run x86-64-reg and x86-64-reg-intel.

diff --git a/gas/testsuite/gas/lns/lns-duplicate.d b/gas/testsuite/gas/lns/lns-duplicate.d
new file mode 100644 (file)
index 0000000..badf1a2
--- /dev/null
+++ b/gas/testsuite/gas/lns/lns-duplicate.d
@@ -0,0 +1,10 @@
+#readelf: -wl
+#name: lns-duplicate
+Dump of debug contents of section \.debug_line:
+#...
+ Line Number Statements:
+  Extended opcode 2: set Address to .*
+  Copy
+  Set basic block
+  .* by 1 to 2
+#pass

diff --git a/gas/testsuite/gas/lns/lns-duplicate.s b/gas/testsuite/gas/lns/lns-duplicate.s
new file mode 100644 (file)
index 0000000..9fea2fe
--- /dev/null
+++ b/gas/testsuite/gas/lns/lns-duplicate.s
@@ -0,0 +1,5 @@
+       .loc_mark_labels 1
+       .file 1 "foo.s"
+       .loc 1 1 0
+       .loc 1 2 0
+.Llabel:

diff --git a/gas/testsuite/gas/lns/lns.exp b/gas/testsuite/gas/lns/lns.exp
index 2373290..a192361 100644 (file)
--- a/gas/testsuite/gas/lns/lns.exp
+++ b/gas/testsuite/gas/lns/lns.exp
@@ -4,6 +4,8 @@ if ![is_elf_format] then {
 
 run_list_test "lns-diag-1" ""
 
+run_dump_test "lns-duplicate"
+
 # ??? Won't work on targets that don't have a bare "nop" insn.
 # Perhaps we could arrange for an include file or something that
 # defined a macro...