diff mbox series

[PULL,12/13] target/rx: Dump bytes for each insn during disassembly

Message ID 20200317163616.30027-13-f4bug@amsat.org
State Accepted
Commit e43917cce55e18cc62db47026c4c3880523ed27a
Headers show
Series None | expand

Commit Message

Philippe Mathieu-Daudé March 17, 2020, 4:36 p.m. UTC 
From: Richard Henderson <richard.henderson@linaro.org>


There are so many different forms of each RX instruction
that it will be very useful to be able to look at the bytes
to see on which path a bug may lie.

Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>

Reviewed-by: Yoshinori Sato <ysato@users.sourceforge.jp>

Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com>

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

Message-Id: <20190531134315.4109-24-richard.henderson@linaro.org>
Acked-by: Richard Henderson <richard.henderson@linaro.org>

Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>

---
 target/rx/disas.c | 16 +++++++++++++++-
 1 file changed, 15 insertions(+), 1 deletion(-)

-- 
2.21.1
diff mbox series

Patch

diff --git a/target/rx/disas.c b/target/rx/disas.c
index dcfb7baf99..6dee7a0342 100644
--- a/target/rx/disas.c
+++ b/target/rx/disas.c
@@ -102,7 +102,21 @@  static int bdsp_s(DisasContext *ctx, int d)
 /* Include the auto-generated decoder.  */
 #include "decode.inc.c"
 
-#define prt(...) (ctx->dis->fprintf_func)((ctx->dis->stream), __VA_ARGS__)
+static void dump_bytes(DisasContext *ctx)
+{
+    int i, len = ctx->len;
+
+    for (i = 0; i < len; ++i) {
+        ctx->dis->fprintf_func(ctx->dis->stream, "%02x ", ctx->bytes[i]);
+    }
+    ctx->dis->fprintf_func(ctx->dis->stream, "%*c", (8 - i) * 3, '\t');
+}
+
+#define prt(...) \
+    do {                                                        \
+        dump_bytes(ctx);                                        \
+        ctx->dis->fprintf_func(ctx->dis->stream, __VA_ARGS__);  \
+    } while (0)
 
 #define RX_MEMORY_BYTE 0
 #define RX_MEMORY_WORD 1