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authorWANG Xuerui <git@xen0n.name>2023-06-30 00:35:03 +0800
committerliuzhensong <liuzhensong@loongson.cn>2023-06-30 10:18:02 +0800
commit6ad6615a79843aa224710a70a33fd15777f74f49 (patch)
tree3627e8c882ba17c0c228bdd55cbbf0c673f6a295
parent8b6fefaddeec839e6b1121336ba5e6696491d91f (diff)
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opcodes/loongarch: print unrecognized insn words with the .word directive
For better round-trip fidelity and readability in general. gas/ChangeLog: * testsuite/gas/loongarch/uleb128.d: Update test case. * testsuite/gas/loongarch/raw-insn.d: New test. * testsuite/gas/loongarch/raw-insn.s: Likewise. opcodes/ChangeLog: * loongarch-dis.c (disassemble_one): Print ".word" if !opc. Signed-off-by: WANG Xuerui <git@xen0n.name>
-rw-r--r--gas/testsuite/gas/loongarch/raw-insn.d11
-rw-r--r--gas/testsuite/gas/loongarch/raw-insn.s7
-rw-r--r--gas/testsuite/gas/loongarch/uleb128.d20
-rw-r--r--opcodes/loongarch-dis.c1
4 files changed, 29 insertions, 10 deletions
diff --git a/gas/testsuite/gas/loongarch/raw-insn.d b/gas/testsuite/gas/loongarch/raw-insn.d
new file mode 100644
index 0000000..64980e4
--- /dev/null
+++ b/gas/testsuite/gas/loongarch/raw-insn.d
@@ -0,0 +1,11 @@
+#as:
+#objdump: -dr
+
+.*:[ ]+file format .*
+
+
+Disassembly of section .text:
+
+0+000 <target>:
+[ ]+0:[ ]+00000000[ ]+.word[ ]+0x00000000
+[ ]+4:[ ]+feedf00d[ ]+.word[ ]+0xfeedf00d
diff --git a/gas/testsuite/gas/loongarch/raw-insn.s b/gas/testsuite/gas/loongarch/raw-insn.s
new file mode 100644
index 0000000..528b152
--- /dev/null
+++ b/gas/testsuite/gas/loongarch/raw-insn.s
@@ -0,0 +1,7 @@
+target:
+ .word 0
+ # Given how the LoongArch encoding space is apparently centrally-
+ # managed and sequentially allocated in chunks of prefixes, it is
+ # highly unlikely this would become a valid LoongArch instruction in
+ # the foreseeable future.
+ .word 0xfeedf00d
diff --git a/gas/testsuite/gas/loongarch/uleb128.d b/gas/testsuite/gas/loongarch/uleb128.d
index df66587..ad67ded 100644
--- a/gas/testsuite/gas/loongarch/uleb128.d
+++ b/gas/testsuite/gas/loongarch/uleb128.d
@@ -8,29 +8,29 @@
Disassembly of section .data:
00000000.* <L1-0x5>:
-[ ]+0:[ ]+80030201[ ]+0x80030201
+[ ]+0:[ ]+80030201[ ]+\.word[ ]+0x80030201
[ ]+3:[ ]+R_LARCH_ADD_ULEB128[ ]+L2
[ ]+3:[ ]+R_LARCH_SUB_ULEB128[ ]+L1
[ ]+\.\.\.
0000000000000005[ ]+<L1>:
[ ]+\.\.\.
-[ ]+81:[ ]+ff040000[ ]+0xff040000
+[ ]+81:[ ]+ff040000[ ]+\.word[ ]+0xff040000
[ ]+85:[ ]+cacop[ ]+0x1f,[ ]+\$t3,[ ]+1
0000000000000086[ ]+<L2>:
-[ ]+86:[ ]+07060005[ ]+0x07060005
-[ ]+8a:[ ]+0x00008080
+[ ]+86:[ ]+07060005[ ]+\.word[ ]+0x07060005
+[ ]+8a:[ ]+\.word[ ]+0x00008080
[ ]+8a:[ ]+R_LARCH_ADD_ULEB128[ ]+L4
[ ]+8a:[ ]+R_LARCH_SUB_ULEB128[ ]+L3
000000000000008d[ ]+<L3>:
[ ]+\.\.\.
-[ ]+4089:[ ]+ff080000[ ]+0xff080000
-[ ]+408d:[ ]+0x09ffffff
+[ ]+4089:[ ]+ff080000[ ]+\.word[ ]+0xff080000
+[ ]+408d:[ ]+\.word[ ]+0x09ffffff
0000000000004090[ ]+<L4>:
-[ ]+4090:[ ]+09090909[ ]+0x09090909
-[ ]+4094:[ ]+09090909[ ]+0x09090909
-[ ]+4098:[ ]+09090909[ ]+0x09090909
-[ ]+409c:[ ]+09090909[ ]+0x09090909
+[ ]+4090:[ ]+09090909[ ]+\.word[ ]+0x09090909
+[ ]+4094:[ ]+09090909[ ]+\.word[ ]+0x09090909
+[ ]+4098:[ ]+09090909[ ]+\.word[ ]+0x09090909
+[ ]+409c:[ ]+09090909[ ]+\.word[ ]+0x09090909
diff --git a/opcodes/loongarch-dis.c b/opcodes/loongarch-dis.c
index c45c4fc..8d72519 100644
--- a/opcodes/loongarch-dis.c
+++ b/opcodes/loongarch-dis.c
@@ -259,6 +259,7 @@ disassemble_one (insn_t insn, struct disassemble_info *info)
if (!opc)
{
info->insn_type = dis_noninsn;
+ info->fprintf_styled_func (info->stream, dis_style_assembler_directive, ".word\t\t");
info->fprintf_styled_func (info->stream, dis_style_immediate, "0x%08x", insn);
return;
}