From: WANG Xuerui <i.swmail@xen0n.name>
To: binutils@sourceware.org
Cc: Chenghua Xu <xuchenghua@loongson.cn>,
Zhensong Liu <liuzhensong@loongson.cn>,
Qinggang Meng <mengqinggang@loongson.cn>,
Xi Ruoyao <xry111@xry111.site>, WANG Xuerui <git@xen0n.name>
Subject: [PATCH v3 6/6] opcodes/loongarch: print unrecognized insn words with the .word directive
Date: Wed, 14 Dec 2022 13:52:04 +0800 [thread overview]
Message-ID: <20221214055204.2890795-7-i.swmail@xen0n.name> (raw)
In-Reply-To: <20221214055204.2890795-1-i.swmail@xen0n.name>
From: WANG Xuerui <git@xen0n.name>
For better round-trip fidelity and readability in general.
---
gas/testsuite/gas/loongarch/raw-insn.d | 11 +++++++++++
gas/testsuite/gas/loongarch/raw-insn.s | 7 +++++++
opcodes/loongarch-dis.c | 1 +
3 files changed, 19 insertions(+)
create mode 100644 gas/testsuite/gas/loongarch/raw-insn.d
create mode 100644 gas/testsuite/gas/loongarch/raw-insn.s
diff --git a/gas/testsuite/gas/loongarch/raw-insn.d b/gas/testsuite/gas/loongarch/raw-insn.d
new file mode 100644
index 00000000000..64980e47f7b
--- /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 00000000000..528b15263ae
--- /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/opcodes/loongarch-dis.c b/opcodes/loongarch-dis.c
index b73ef43f8ea..7ac2b07465a 100644
--- a/opcodes/loongarch-dis.c
+++ b/opcodes/loongarch-dis.c
@@ -250,6 +250,7 @@ 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;
}
--
2.38.1
next prev parent reply other threads:[~2022-12-14 5:52 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-12-14 5:51 [PATCH v3 RESEND 0/6] LoongArch: colored disassembly and readability tweaks WANG Xuerui
2022-12-14 5:51 ` [PATCH v3 1/6] LoongArch: support disassembling certain pseudo-instructions WANG Xuerui
2022-12-14 5:52 ` [PATCH v3 2/6] opcodes/loongarch: remove unused code WANG Xuerui
2022-12-14 5:52 ` [PATCH v3 3/6] opcodes/loongarch: implement style support in the disassembler WANG Xuerui
2023-01-17 10:37 ` Andrew Burgess
2022-12-14 5:52 ` [PATCH v3 4/6] opcodes/loongarch: style disassembled address offsets as such WANG Xuerui
2022-12-14 5:52 ` [PATCH v3 5/6] opcodes/loongarch: do not print hex notation for signed immediates WANG Xuerui
2022-12-14 5:52 ` WANG Xuerui [this message]
2023-01-03 4:05 ` [PATCH v3 RESEND 0/6] LoongArch: colored disassembly and readability tweaks WANG Xuerui
2023-01-03 11:10 ` mengqinggang
2023-01-03 11:16 ` WANG Xuerui
-- strict thread matches above, loose matches on Subject: below --
2022-12-14 5:46 [PATCH v3 " WANG Xuerui
2022-12-14 5:47 ` [PATCH v3 6/6] opcodes/loongarch: print unrecognized insn words with the .word directive WANG Xuerui
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