linux-user: Log failing executable in EXCP_DUMP()

Enhance the EXCP_DUMP() macro to print out the failing program too.
During debugging it's sometimes hard to track down the actual failing
program if you are e.g. building a whole debian package.

Signed-off-by: Helge Deller <deller@gmx.de>
Reviewed-by: Laurent Vivier <laurent@vivier.eu>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20220918194555.83535-5-deller@gmx.de>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>

linux-user/cpu_loop-common.h

@@ -27,9 +27,11 @@
 do {                                                                    \
     CPUState *cs = env_cpu(env);                                        \
     fprintf(stderr, fmt , ## __VA_ARGS__);                              \
+    fprintf(stderr, "Failing executable: %s\n", exec_path);             \
     cpu_dump_state(cs, stderr, 0);                                      \
     if (qemu_log_separate()) {                                          \
         qemu_log(fmt, ## __VA_ARGS__);                                  \
+        qemu_log("Failing executable: %s\n", exec_path);                \
         log_cpu_state(cs, 0);                                           \
     }                                                                   \
 } while (0)