- add ability for openocd to communicate to gdb using pipes (stdin/stdout).

[openocd.git] / src / helper / log.c

diff --git a/src/helper/log.c b/src/helper/log.c
index d21b8e9f5e8c6bb1c6e2b3b93eb52224e940e901..8e320084f21f84447aeb564a57dd111e6aaf6407 100644 (file)
--- a/src/helper/log.c
+++ b/src/helper/log.c
@@ -31,6 +31,7 @@
 #include "configuration.h"
 #include "time_support.h"
 #include "command.h"
+#include "server.h"
 
 #include <stdio.h>
 #include <stdlib.h>
@@ -108,9 +109,11 @@ static void log_puts(enum log_levels level, const char *file, int line, const ch
 #endif
                                        string);
                }
-               else
+               else if(server_use_pipes == 0)
                {
-                       if (strcmp(string, "\n")!=0)
+                       /* if we are using gdb through pipes then we do not want any output
+                        * to the pipe otherwise we get repeated strings */
+                       if (strcmp(string, "\n") != 0)
                        {
                                /* print human readable output - but skip empty lines */
                                fprintf(log_output, "%s%s",
@@ -203,6 +206,18 @@ int handle_debug_level_command(struct command_context_s *cmd_ctx, char *cmd, cha
        if (debug_level > 3)
                debug_level = 3;
 
+       if (debug_level >= LOG_LVL_DEBUG && server_use_pipes == 1)
+       {
+               /* if we are enabling debug info then we need to write to a log file
+                * otherwise the pipe will get full and cause issues with gdb */
+               FILE* file = fopen("openocd.log", "w");
+               if (file)
+               {
+                       log_output = file;
+                       LOG_WARNING("enabling log output as we are using pipes");
+               }
+       }
+       
        return ERROR_OK;
 }