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authorBob Wilson <bob.wilson@acm.org>2007-11-19 18:15:53 +0000
committerBob Wilson <bob.wilson@acm.org>2007-11-19 18:15:53 +0000
commit661ba50f530d936e1e9b260f0c4424d92ce9076f (patch)
tree3d598855ac24b49e4ddcc635441232f7565a79a2
parent3e0873ac4fa365e8c170adcb8b9e1fd727ed16c3 (diff)
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* dwarf2dbg.c (dwarf2_consume_line_info): New.
(dwarf2_emit_insn): Use it here. (dwarf2_directive_loc): Fix check for consecutive .loc directives when debug_type is DEBUG_DWARF2. * dwarf2dbg.h (dwarf2_consume_line_info): New prototype. * config/tc-ia64.c (ia64_flush_insns): Call dwarf2_consume_line_info. (md_assemble): Likewise. testsuite/ * gas/lns/lns.exp: Run lns-common-1 with alternate source for ia64. * gas/lns/lns-common-1-ia64.s: New file.
-rw-r--r--gas/ChangeLog10
-rw-r--r--gas/config/tc-ia64.c2
-rw-r--r--gas/dwarf2dbg.c22
-rw-r--r--gas/dwarf2dbg.h4
-rw-r--r--gas/testsuite/ChangeLog5
-rw-r--r--gas/testsuite/gas/lns/lns-common-1-ia64.s16
-rw-r--r--gas/testsuite/gas/lns/lns.exp3
7 files changed, 55 insertions, 7 deletions
diff --git a/gas/ChangeLog b/gas/ChangeLog
index 6604e8e..835b56f 100644
--- a/gas/ChangeLog
+++ b/gas/ChangeLog
@@ -1,3 +1,13 @@
+2007-11-19 Bob Wilson <bob.wilson@acm.org>
+
+ * dwarf2dbg.c (dwarf2_consume_line_info): New.
+ (dwarf2_emit_insn): Use it here.
+ (dwarf2_directive_loc): Fix check for consecutive .loc directives
+ when debug_type is DEBUG_DWARF2.
+ * dwarf2dbg.h (dwarf2_consume_line_info): New prototype.
+ * config/tc-ia64.c (ia64_flush_insns): Call dwarf2_consume_line_info.
+ (md_assemble): Likewise.
+
2007-11-17 Thiemo Seufer <ths@mips.com>
* config/tc-mips.c (md_parse_option): Match mips_optimize to the -O
diff --git a/gas/config/tc-ia64.c b/gas/config/tc-ia64.c
index 2e0f86c..263374b 100644
--- a/gas/config/tc-ia64.c
+++ b/gas/config/tc-ia64.c
@@ -1132,6 +1132,7 @@ ia64_flush_insns ()
dwarf2_where (&CURR_SLOT.debug_line);
CURR_SLOT.debug_line.flags |= DWARF2_FLAG_BASIC_BLOCK;
dwarf2_gen_line_info (frag_now_fix (), &CURR_SLOT.debug_line);
+ dwarf2_consume_line_info ();
}
CURR_SLOT.label_fixups = 0;
@@ -10968,6 +10969,7 @@ md_assemble (str)
CURR_SLOT.idesc = idesc;
as_where (&CURR_SLOT.src_file, &CURR_SLOT.src_line);
dwarf2_where (&CURR_SLOT.debug_line);
+ dwarf2_consume_line_info ();
/* Add unwind entries, if there are any. */
if (unwind.current_entry)
diff --git a/gas/dwarf2dbg.c b/gas/dwarf2dbg.c
index 39e434c..97a60c7 100644
--- a/gas/dwarf2dbg.c
+++ b/gas/dwarf2dbg.c
@@ -373,11 +373,6 @@ dwarf2_emit_insn (int size)
or the physical input file name (foo.s) and not the file name
specified in the most recent .loc directive (eg foo.h). */
loc = current;
-
- /* Unless we generate DWARF2 debugging information for each
- assembler line, we only emit one line symbol for one LOC. */
- if (debug_type != DEBUG_DWARF2)
- loc_directive_seen = FALSE;
}
else if (debug_type != DEBUG_DWARF2)
return;
@@ -385,6 +380,21 @@ dwarf2_emit_insn (int size)
dwarf2_where (&loc);
dwarf2_gen_line_info (frag_now_fix () - size, &loc);
+ dwarf2_consume_line_info ();
+}
+
+/* Called after the current line information has been either used with
+ dwarf2_gen_line_info or saved with a machine instruction for later use.
+ This resets the state of the line number information to reflect that
+ it has been used. */
+
+void
+dwarf2_consume_line_info (void)
+{
+ /* Unless we generate DWARF2 debugging information for each
+ assembler line, we only emit one line symbol for one LOC. */
+ if (debug_type != DEBUG_DWARF2)
+ loc_directive_seen = FALSE;
current.flags &= ~(DWARF2_FLAG_BASIC_BLOCK
| DWARF2_FLAG_PROLOGUE_END
@@ -572,7 +582,7 @@ dwarf2_directive_loc (int dummy ATTRIBUTE_UNUSED)
/* If we see two .loc directives in a row, force the first one to be
output now. */
- if (loc_directive_seen)
+ if (loc_directive_seen && debug_type != DEBUG_DWARF2)
dwarf2_emit_insn (0);
filenum = get_absolute_expression ();
diff --git a/gas/dwarf2dbg.h b/gas/dwarf2dbg.h
index be220f4..55836cc 100644
--- a/gas/dwarf2dbg.h
+++ b/gas/dwarf2dbg.h
@@ -72,6 +72,10 @@ extern void dwarf2_gen_line_info (addressT addr, struct dwarf2_line_info *l);
/* Must be called for each generated instruction. */
extern void dwarf2_emit_insn (int);
+/* Reset the state of the line number information to reflect that
+ it has been used. */
+extern void dwarf2_consume_line_info (void);
+
/* Should be called for each code label. */
extern void dwarf2_emit_label (symbolS *);
diff --git a/gas/testsuite/ChangeLog b/gas/testsuite/ChangeLog
index a4ea406..e5d1b64 100644
--- a/gas/testsuite/ChangeLog
+++ b/gas/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2007-11-19 Bob Wilson <bob.wilson@acm.org>
+
+ * gas/lns/lns.exp: Run lns-common-1 with alternate source for ia64.
+ * gas/lns/lns-common-1-ia64.s: New file.
+
2007-11-14 H.J. Lu <hongjiu.lu@intel.com>
* gas/ia64/dv-raw-err.s: Add tests for ar.ruc.
diff --git a/gas/testsuite/gas/lns/lns-common-1-ia64.s b/gas/testsuite/gas/lns/lns-common-1-ia64.s
new file mode 100644
index 0000000..ee6c08b
--- /dev/null
+++ b/gas/testsuite/gas/lns/lns-common-1-ia64.s
@@ -0,0 +1,16 @@
+ .file 1 "foo.c"
+ .loc 1 1
+ .explicit
+ { .mii; nop 0; nop 0; nop 0 ;; }
+ .loc 1 2 3
+ { .mii; nop 0; nop 0; nop 0 ;; }
+ .loc 1 3 prologue_end
+ { .mii; nop 0; nop 0; nop 0 ;; }
+ .loc 1 4 0 epilogue_begin
+ { .mii; nop 0; nop 0; nop 0 ;; }
+ .loc 1 5 isa 1 basic_block
+ { .mii; nop 0; nop 0; nop 0 ;; }
+ .loc 1 6 is_stmt 0
+ { .mii; nop 0; nop 0; nop 0 ;; }
+ .loc 1 7 is_stmt 1
+ { .mii; nop 0; nop 0; nop 0 ;; }
diff --git a/gas/testsuite/gas/lns/lns.exp b/gas/testsuite/gas/lns/lns.exp
index a192361..b292f2e 100644
--- a/gas/testsuite/gas/lns/lns.exp
+++ b/gas/testsuite/gas/lns/lns.exp
@@ -13,7 +13,6 @@ run_dump_test "lns-duplicate"
# information (d10v).
if {
![istarget d10v-*-*]
- && ![istarget ia64*-*-*]
&& ![istarget i370-*-*]
&& ![istarget i960-*-*]
&& ![istarget mcore-*-*]
@@ -23,6 +22,8 @@ if {
# Use alternate file for targets using DW_LNS_fixed_advance_pc opcodes.
if { [istarget xtensa-*-*] } {
run_dump_test "lns-common-1-alt"
+ } elseif { [istarget ia64*-*-*] } {
+ run_dump_test "lns-common-1" { { source "lns-common-1-ia64.s" } }
} else {
run_dump_test "lns-common-1"
}