diff options
Diffstat (limited to 'gdb/gdbserver/debug.c')
| -rw-r--r-- | gdb/gdbserver/debug.c | 41 |
1 files changed, 38 insertions, 3 deletions
diff --git a/gdb/gdbserver/debug.c b/gdb/gdbserver/debug.c index 7c4c77a..d80cd52 100644 --- a/gdb/gdbserver/debug.c +++ b/gdb/gdbserver/debug.c @@ -23,6 +23,9 @@ int remote_debug = 0; #endif +/* Output file for debugging. Default to standard error. */ +FILE *debug_file = stderr; + /* Enable miscellaneous debugging output. The name is historical - it was originally used to debug LinuxThreads support. */ int debug_threads; @@ -30,6 +33,38 @@ int debug_threads; /* Include timestamps in debugging output. */ int debug_timestamp; +#if !defined (IN_PROCESS_AGENT) + +/* See debug.h. */ + +void +debug_set_output (const char *new_debug_file) +{ + /* Close any existing file and reset to standard error. */ + if (debug_file != stderr) + { + fclose (debug_file); + } + debug_file = stderr; + + /* Catch empty filenames. */ + if (new_debug_file == nullptr || strlen (new_debug_file) == 0) + return; + + FILE *fptr = fopen (new_debug_file, "w"); + + if (fptr == nullptr) + { + debug_printf ("Cannot open %s for writing. %s. Switching to stderr.\n", + new_debug_file, strerror (errno)); + return; + } + + debug_file = fptr; +} + +#endif + /* Print a debugging message. If the text begins a new line it is preceded by a timestamp. We don't get fancy with newline checking, we just check whether the @@ -50,11 +85,11 @@ debug_vprintf (const char *format, va_list ap) seconds s = duration_cast<seconds> (now.time_since_epoch ()); microseconds us = duration_cast<microseconds> (now.time_since_epoch ()) - s; - fprintf (stderr, "%ld.%06ld ", (long) s.count (), (long) us.count ()); + fprintf (debug_file, "%ld.%06ld ", (long) s.count (), (long) us.count ()); } #endif - vfprintf (stderr, format, ap); + vfprintf (debug_file, format, ap); #if !defined (IN_PROCESS_AGENT) if (*format) @@ -69,7 +104,7 @@ debug_vprintf (const char *format, va_list ap) void debug_flush (void) { - fflush (stderr); + fflush (debug_file); } /* Notify the user that the code is entering FUNCTION_NAME. |