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gdb: add debug_prefixed_vprintf

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To help ensure that all debug statements have the same format, introduce
the debug_prefixed_vprintf helper.  Implement linux_nat_debug_printf_1
and infrun_debug_printf_1 with it.

I would eventually like to style the module and function name with some
color, to help them stick out, but I don't really know how to do that
yet, it can always be done later.

gdb/ChangeLog:

	* debug.h: New file.
	* debug.c (debug_prefixed_vprintf): New function.
	* infrun.c (infrun_debug_printf_1): Use debug_prefixed_vprintf.
	* linux-nat.c (linux_nat_debug_printf_1): Likewise.

Change-Id: Iccc290a2dc6b5fffcbe1c2866ed8d804ad380764
This commit is contained in:
Simon Marchi 2020-08-24 15:50:19 -04:00 • committed by Simon Marchi
parent 1eb8556f5a
commit c426fddb87
5 changed files with 56 additions and 10 deletions
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7
gdb/linux-nat.c
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@ -68,6 +68,7 @@
#include "gdbsupport/fileio.h"
#include "gdbsupport/scope-exit.h"
#include "gdbsupport/gdb-sigmask.h"
#include "debug.h"
/* This comment documents high-level logic of this file.
@ -203,14 +204,10 @@ show_debug_linux_nat (struct ui_file *file, int from_tty,
static void ATTRIBUTE_PRINTF (2, 3)
linux_nat_debug_printf_1 (const char *func_name, const char *fmt, ...)
{
debug_printf ("[linux-nat] %s: ", func_name);
va_list ap;
va_start (ap, fmt);
debug_vprintf (fmt, ap);
debug_prefixed_vprintf ("linux-nat", func_name, fmt, ap);
va_end (ap);
debug_printf ("\n");
}
#define linux_nat_debug_printf(fmt, ...) \