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opcodes/loongarch: print unrecognized insn words with the .word directive

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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>
This commit is contained in:
WANG Xuerui 2023-06-30 00:35:03 +08:00 committed by liuzhensong
parent 8b6fefadde
commit 6ad6615a79
4 changed files with 29 additions and 10 deletions
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11
gas/testsuite/gas/loongarch/raw-insn.d Normal file
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@ -0,0 +1,11 @@
#as:
#objdump: -dr
.*:[ ]+file format .*
Disassembly of section .text:
0+000 <target>:
[ ]+0:[ ]+00000000[ ]+.word[ ]+0x00000000
[ ]+4:[ ]+feedf00d[ ]+.word[ ]+0xfeedf00d

7
gas/testsuite/gas/loongarch/raw-insn.s Normal file
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@ -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

20
gas/testsuite/gas/loongarch/uleb128.d
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@ -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

1
opcodes/loongarch-dis.c
View File

@ -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;
}