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On 02/03/2016 05:11 PM, Eric Blake wrote:
> Weird. Wonder why it doesn't complain on that file? I'm guessing
> that it is due to the #define on the next line. Because
> rearranging things to put the code after the #define changes the
> situation (but not the semantics):
Alright, this should do the trick then.
Adrian
- --
.''`. John Paul Adrian Glaubitz
: :' : Debian Developer - glaub...@debian.org
`. `' Freie Universitaet Berlin - glaub...@physik.fu-berlin.de
`- GPG: 62FF 8A75 84E0 2956 9546 0006 7426 3B37 F5B5 F913
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>From 9a78a2f7f8a9063c2ef4dd9b52ffc061d045886b Mon Sep 17 00:00:00 2001
From: John Paul Adrian Glaubitz <glaub...@physik.fu-berlin.de>
Date: Wed, 3 Feb 2016 10:22:35 +0100
Subject: [PATCH 2/2] m68k: Build the opcode table only once to avoid
multithreading issues
Signed-off-by: John Paul Adrian Glaubitz <glaub...@physik.fu-berlin.de>
---
target-m68k/translate.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/target-m68k/translate.c b/target-m68k/translate.c
index 535d7f9..015e220 100644
--- a/target-m68k/translate.c
+++ b/target-m68k/translate.c
@@ -2828,6 +2828,12 @@ register_opcode (disas_proc proc, uint16_t opcode, uint16_t mask)
Later insn override earlier ones. */
void register_m68k_insns (CPUM68KState *env)
{
+ /* Build the opcode table only once to avoid
+ multithreading issues. */
+ if (opcode_table[0] != NULL) {
+ return;
+ }
+
#define INSN(name, opcode, mask, feature) do { \
if (m68k_feature(env, M68K_FEATURE_##feature)) \
register_opcode(disas_##name, 0x##opcode, 0x##mask); \
--
2.7.0
