| Message ID | 20190523150803.31504-7-richard.henderson@linaro.org |
|---|---|
| State | New |
| Headers | show |
| Series | target/rx: Improvements to disassembly | expand |
On Fri, 24 May 2019 00:08:03 +0900, Richard Henderson wrote: > > 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. > > Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Yoshinori Sato <ysato@users.sourceforge.jp> > --- > target/rx/disas.c | 16 +++++++++++++++- > 1 file changed, 15 insertions(+), 1 deletion(-) > > diff --git a/target/rx/disas.c b/target/rx/disas.c > index 5a32a87534..d73b53db44 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 > -- > 2.17.1 >
diff --git a/target/rx/disas.c b/target/rx/disas.c index 5a32a87534..d73b53db44 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
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. Signed-off-by: Richard Henderson <richard.henderson@linaro.org> --- target/rx/disas.c | 16 +++++++++++++++- 1 file changed, 15 insertions(+), 1 deletion(-)