/* General utility routines for the remote server for GDB.
- Copyright (C) 1986, 1989, 1993, 1995, 1996, 1997, 1999, 2000, 2002, 2003,
- 2007, 2008, 2009, 2010, 2011 Free Software Foundation, Inc.
+ Copyright (C) 1986-2019 Free Software Foundation, Inc.
This file is part of GDB.
along with this program. If not, see <http://www.gnu.org/licenses/>. */
#include "server.h"
-#include <stdio.h>
-#include <string.h>
-#include <stdlib.h>
-#if HAVE_ERRNO_H
-#include <errno.h>
-#endif
#ifdef IN_PROCESS_AGENT
# define PREFIX "ipa: "
/* Generally useful subroutines used throughout the program. */
-static void malloc_failure (size_t size) ATTR_NORETURN;
-
-static void
-malloc_failure (size_t size)
+void
+malloc_failure (long size)
{
- fprintf (stderr, PREFIX "ran out of memory while trying to allocate %lu bytes\n",
+ fprintf (stderr,
+ PREFIX "ran out of memory while trying to allocate %lu bytes\n",
(unsigned long) size);
exit (1);
}
-/* Allocate memory without fail.
- If malloc fails, this will print a message to stderr and exit. */
-
-void *
-xmalloc (size_t size)
-{
- void *newmem;
-
- if (size == 0)
- size = 1;
- newmem = malloc (size);
- if (!newmem)
- malloc_failure (size);
-
- return newmem;
-}
-
-/* Reallocate memory without fail. This works like xmalloc. */
-
-void *
-xrealloc (void *ptr, size_t size)
-{
- void *val;
-
- if (size == 0)
- size = 1;
-
- if (ptr != NULL)
- val = realloc (ptr, size); /* OK: realloc */
- else
- val = malloc (size); /* OK: malloc */
- if (val == NULL)
- malloc_failure (size);
-
- return val;
-}
-
-/* Allocate memory without fail and set it to zero.
- If malloc fails, this will print a message to stderr and exit. */
-
-void *
-xcalloc (size_t nelem, size_t elsize)
-{
- void *newmem;
-
- if (nelem == 0 || elsize == 0)
- nelem = elsize = 1;
-
- newmem = calloc (nelem, elsize);
- if (!newmem)
- malloc_failure (nelem * elsize);
-
- return newmem;
-}
-
/* Copy a string into a memory buffer.
If malloc fails, this will print a message to stderr and exit. */
return ret;
}
-#ifndef IN_PROCESS_AGENT
-
-/* Free a standard argv vector. */
-
-void
-freeargv (char **vector)
-{
- char **scan;
-
- if (vector != NULL)
- {
- for (scan = vector; *scan != NULL; scan++)
- {
- free (*scan);
- }
- free (vector);
- }
-}
-
-#endif
-
/* Print the system error message for errno, and also mention STRING
as the file name for which the error was encountered.
Then return to command level. */
error ("%s.", combined);
}
-/* Print an error message and return to command level.
- STRING is the error message, used as a fprintf string,
- and ARG is passed as an argument to it. */
+/* Print an error message and return to top level. */
void
-error (const char *string,...)
+verror (const char *string, va_list args)
{
-#ifndef IN_PROCESS_AGENT
- extern jmp_buf toplevel;
-#endif
- va_list args;
- va_start (args, string);
+#ifdef IN_PROCESS_AGENT
fflush (stdout);
vfprintf (stderr, string, args);
fprintf (stderr, "\n");
-#ifndef IN_PROCESS_AGENT
- longjmp (toplevel, 1);
-#else
exit (1);
+#else
+ throw_verror (GENERIC_ERROR, string, args);
#endif
}
-/* Print an error message and exit reporting failure.
- This is for a error that we cannot continue from.
- STRING and ARG are passed to fprintf. */
-
-/* VARARGS */
-void
-fatal (const char *string,...)
-{
- va_list args;
- va_start (args, string);
- fprintf (stderr, PREFIX);
- vfprintf (stderr, string, args);
- fprintf (stderr, "\n");
- va_end (args);
- exit (1);
-}
-
-/* VARARGS */
void
-warning (const char *string,...)
+vwarning (const char *string, va_list args)
{
- va_list args;
- va_start (args, string);
fprintf (stderr, PREFIX);
vfprintf (stderr, string, args);
fprintf (stderr, "\n");
- va_end (args);
}
/* Report a problem internal to GDBserver, and exit. */
void
-internal_error (const char *file, int line, const char *fmt, ...)
+internal_verror (const char *file, int line, const char *fmt, va_list args)
{
- va_list args;
- va_start (args, fmt);
-
fprintf (stderr, "\
%s:%d: A problem internal to " TOOLNAME " has been detected.\n", file, line);
vfprintf (stderr, fmt, args);
fprintf (stderr, "\n");
- va_end (args);
exit (1);
}
-/* Temporary storage using circular buffer. */
-#define NUMCELLS 10
-#define CELLSIZE 50
-
-/* Return the next entry in the circular buffer. */
-
-static char *
-get_cell (void)
-{
- static char buf[NUMCELLS][CELLSIZE];
- static int cell = 0;
- if (++cell >= NUMCELLS)
- cell = 0;
- return buf[cell];
-}
-
-/* Stdarg wrapper around vsnprintf.
- SIZE is the size of the buffer pointed to by STR. */
-
-int
-xsnprintf (char *str, size_t size, const char *format, ...)
-{
- va_list args;
- int ret;
-
- va_start (args, format);
- ret = vsnprintf (str, size, format, args);
- va_end (args);
-
- return ret;
-}
-
-static char *
-decimal2str (char *sign, ULONGEST addr, int width)
-{
- /* Steal code from valprint.c:print_decimal(). Should this worry
- about the real size of addr as the above does? */
- unsigned long temp[3];
- char *str = get_cell ();
-
- int i = 0;
- do
- {
- temp[i] = addr % (1000 * 1000 * 1000);
- addr /= (1000 * 1000 * 1000);
- i++;
- width -= 9;
- }
- while (addr != 0 && i < (sizeof (temp) / sizeof (temp[0])));
-
- width = 9;
- if (width < 0)
- width = 0;
+/* Report a problem internal to GDBserver. */
- switch (i)
- {
- case 1:
- xsnprintf (str, CELLSIZE, "%s%0*lu", sign, width, temp[0]);
- break;
- case 2:
- xsnprintf (str, CELLSIZE, "%s%0*lu%09lu", sign, width,
- temp[1], temp[0]);
- break;
- case 3:
- xsnprintf (str, CELLSIZE, "%s%0*lu%09lu%09lu", sign, width,
- temp[2], temp[1], temp[0]);
- break;
- default:
- internal_error (__FILE__, __LINE__,
- "failed internal consistency check");
- }
-
- return str;
-}
-
-/* %u for ULONGEST. The result is stored in a circular static buffer,
- NUMCELLS deep. */
-
-char *
-pulongest (ULONGEST u)
-{
- return decimal2str ("", u, 0);
-}
-
-/* %d for LONGEST. The result is stored in a circular static buffer,
- NUMCELLS deep. */
-
-char *
-plongest (LONGEST l)
-{
- if (l < 0)
- return decimal2str ("-", -l, 0);
- else
- return decimal2str ("", l, 0);
-}
-
-/* Eliminate warning from compiler on 32-bit systems. */
-static int thirty_two = 32;
-
-/* Convert a ULONGEST into a HEX string, like %lx. The result is
- stored in a circular static buffer, NUMCELLS deep. */
-
-char *
-phex_nz (ULONGEST l, int sizeof_l)
+void
+internal_vwarning (const char *file, int line, const char *fmt, va_list args)
{
- char *str;
-
- switch (sizeof_l)
- {
- case 8:
- {
- unsigned long high = (unsigned long) (l >> thirty_two);
- str = get_cell ();
- if (high == 0)
- xsnprintf (str, CELLSIZE, "%lx",
- (unsigned long) (l & 0xffffffff));
- else
- xsnprintf (str, CELLSIZE, "%lx%08lx", high,
- (unsigned long) (l & 0xffffffff));
- break;
- }
- case 4:
- str = get_cell ();
- xsnprintf (str, CELLSIZE, "%lx", (unsigned long) l);
- break;
- case 2:
- str = get_cell ();
- xsnprintf (str, CELLSIZE, "%x", (unsigned short) (l & 0xffff));
- break;
- default:
- str = phex_nz (l, sizeof (l));
- break;
- }
-
- return str;
+ fprintf (stderr, "\
+%s:%d: A problem internal to " TOOLNAME " has been detected.\n", file, line);
+ vfprintf (stderr, fmt, args);
+ fprintf (stderr, "\n");
}
/* Convert a CORE_ADDR into a HEX string, like %lx.
projects / deliverable / binutils-gdb.git / blobdiff