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/**************************************************************************
*
* Copyright 2008 VMware, Inc.
* Copyright (c) 2008 VMware, Inc.
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sub license, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice (including the
* next paragraph) shall be included in all copies or substantial portions
* of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
* IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
**************************************************************************/
#include "pipe/p_config.h"
#include "util/u_debug.h"
#include "pipe/p_format.h"
#include "pipe/p_state.h"
#include "util/u_string.h"
#include "util/u_math.h"
#include <inttypes.h>
#include <stdio.h>
#include <limits.h> /* CHAR_BIT */
#include <ctype.h> /* isalnum */
#ifdef _WIN32
#include <windows.h>
#include <stdlib.h>
#endif
void
_debug_vprintf(const char *format, va_list ap)
{
static char buf[4096] = {'\0'};
#if DETECT_OS_WINDOWS || defined(EMBEDDED_DEVICE)
/* We buffer until we find a newline. */
size_t len = strlen(buf);
int ret = vsnprintf(buf + len, sizeof(buf) - len, format, ap);
if (ret > (int)(sizeof(buf) - len - 1) || strchr(buf + len, '\n')) {
os_log_message(buf);
buf[0] = '\0';
}
#else
vsnprintf(buf, sizeof(buf), format, ap);
os_log_message(buf);
#endif
}
void
_pipe_debug_message(struct pipe_debug_callback *cb,
unsigned *id,
enum pipe_debug_type type,
const char *fmt, ...)
{
va_list args;
va_start(args, fmt);
if (cb && cb->debug_message)
cb->debug_message(cb->data, id, type, fmt, args);
va_end(args);
}
void
debug_disable_error_message_boxes(void)
{
#ifdef _WIN32
/* When Windows' error message boxes are disabled for this process (as is
* typically the case when running tests in an automated fashion) we disable
* CRT message boxes too.
*/
UINT uMode = SetErrorMode(0);
SetErrorMode(uMode);
if (uMode & SEM_FAILCRITICALERRORS) {
/* Disable assertion failure message box.
*/
_set_error_mode(_OUT_TO_STDERR);
#ifdef _MSC_VER
/* Disable abort message box.
*/
_set_abort_behavior(0, _WRITE_ABORT_MSG | _CALL_REPORTFAULT);
#endif
}
#endif /* _WIN32 */
}
#ifdef DEBUG
void
debug_print_blob(const char *name, const void *blob, unsigned size)
{
const unsigned *ublob = (const unsigned *)blob;
unsigned i;
debug_printf("%s (%d dwords%s)\n", name, size/4,
size%4 ? "... plus a few bytes" : "");
for (i = 0; i < size/4; i++) {
debug_printf("%d:\t%08x\n", i, ublob[i]);
}
}
#endif
static bool
debug_get_option_should_print(void)
{
static bool first = true;
static bool value = false;
if (!first)
return value;
/* Oh hey this will call into this function,
* but its cool since we set first to false
*/
first = false;
value = debug_get_bool_option("GALLIUM_PRINT_OPTIONS", false);
/* XXX should we print this option? Currently it wont */
return value;
}
const char *
debug_get_option(const char *name, const char *dfault)
{
const char *result;
result = os_get_option(name);
if (!result)
result = dfault;
if (debug_get_option_should_print())
debug_printf("%s: %s = %s\n", __FUNCTION__, name,
result ? result : "(null)");
return result;
}
bool
debug_get_bool_option(const char *name, bool dfault)
{
const char *str = os_get_option(name);
bool result;
if (str == NULL)
result = dfault;
else if (!strcmp(str, "n"))
result = false;
else if (!strcmp(str, "no"))
result = false;
else if (!strcmp(str, "0"))
result = false;
else if (!strcmp(str, "f"))
result = false;
else if (!strcmp(str, "F"))
result = false;
else if (!strcmp(str, "false"))
result = false;
else if (!strcmp(str, "FALSE"))
result = false;
else
result = true;
if (debug_get_option_should_print())
debug_printf("%s: %s = %s\n", __FUNCTION__, name,
result ? "TRUE" : "FALSE");
return result;
}
long
debug_get_num_option(const char *name, long dfault)
{
long result;
const char *str;
str = os_get_option(name);
if (!str) {
result = dfault;
} else {
char *endptr;
result = strtol(str, &endptr, 0);
if (str == endptr) {
/* Restore the default value when no digits were found. */
result = dfault;
}
}
if (debug_get_option_should_print())
debug_printf("%s: %s = %li\n", __FUNCTION__, name, result);
return result;
}
static bool
str_has_option(const char *str, const char *name)
{
/* Empty string. */
if (!*str) {
return false;
}
/* OPTION=all */
if (!strcmp(str, "all")) {
return true;
}
/* Find 'name' in 'str' surrounded by non-alphanumeric characters. */
{
const char *start = str;
unsigned name_len = strlen(name);
/* 'start' is the beginning of the currently-parsed word,
* we increment 'str' each iteration.
* if we find either the end of string or a non-alphanumeric character,
* we compare 'start' up to 'str-1' with 'name'. */
while (1) {
if (!*str || !(isalnum(*str) || *str == '_')) {
if (str-start == name_len &&
!memcmp(start, name, name_len)) {
return true;
}
if (!*str) {
return false;
}
start = str+1;
}
str++;
}
}
return false;
}
uint64_t
debug_get_flags_option(const char *name,
const struct debug_named_value *flags,
uint64_t dfault)
{
uint64_t result;
const char *str;
const struct debug_named_value *orig = flags;
unsigned namealign = 0;
str = os_get_option(name);
if (!str)
result = dfault;
else if (!strcmp(str, "help")) {
result = dfault;
_debug_printf("%s: help for %s:\n", __FUNCTION__, name);
for (; flags->name; ++flags)
namealign = MAX2(namealign, strlen(flags->name));
for (flags = orig; flags->name; ++flags)
_debug_printf("| %*s [0x%0*"PRIx64"]%s%s\n", namealign, flags->name,
(int)sizeof(uint64_t)*CHAR_BIT/4, flags->value,
flags->desc ? " " : "", flags->desc ? flags->desc : "");
}
else {
result = 0;
while (flags->name) {
if (str_has_option(str, flags->name))
result |= flags->value;
++flags;
}
}
if (debug_get_option_should_print()) {
if (str) {
debug_printf("%s: %s = 0x%"PRIx64" (%s)\n",
__FUNCTION__, name, result, str);
} else {
debug_printf("%s: %s = 0x%"PRIx64"\n", __FUNCTION__, name, result);
}
}
return result;
}
void
_debug_assert_fail(const char *expr, const char *file, unsigned line,
const char *function)
{
_debug_printf("%s:%u:%s: Assertion `%s' failed.\n",
file, line, function, expr);
os_abort();
}
const char *
debug_dump_enum(const struct debug_named_value *names,
unsigned long value)
{
static char rest[64];
while (names->name) {
if (names->value == value)
return names->name;
++names;
}
snprintf(rest, sizeof(rest), "0x%08lx", value);
return rest;
}
const char *
debug_dump_enum_noprefix(const struct debug_named_value *names,
const char *prefix,
unsigned long value)
{
static char rest[64];
while (names->name) {
if (names->value == value) {
const char *name = names->name;
while (*name == *prefix) {
name++;
prefix++;
}
return name;
}
++names;
}
snprintf(rest, sizeof(rest), "0x%08lx", value);
return rest;
}
const char *
debug_dump_flags(const struct debug_named_value *names, unsigned long value)
{
static char output[4096];
static char rest[256];
int first = 1;
output[0] = '\0';
while (names->name) {
if ((names->value & value) == names->value) {
if (!first)
strncat(output, "|", sizeof(output) - strlen(output) - 1);
else
first = 0;
strncat(output, names->name, sizeof(output) - strlen(output) - 1);
output[sizeof(output) - 1] = '\0';
value &= ~names->value;
}
++names;
}
if (value) {
if (!first)
strncat(output, "|", sizeof(output) - strlen(output) - 1);
else
first = 0;
snprintf(rest, sizeof(rest), "0x%08lx", value);
strncat(output, rest, sizeof(output) - strlen(output) - 1);
output[sizeof(output) - 1] = '\0';
}
if (first)
return "0";
return output;
}
#ifdef DEBUG
int fl_indent = 0;
const char* fl_function[1024];
int
debug_funclog_enter(const char* f, UNUSED const int line,
UNUSED const char* file)
{
int i;
for (i = 0; i < fl_indent; i++)
debug_printf(" ");
debug_printf("%s\n", f);
assert(fl_indent < 1023);
fl_function[fl_indent++] = f;
return 0;
}
void
debug_funclog_exit(const char* f, UNUSED const int line,
UNUSED const char* file)
{
--fl_indent;
assert(fl_indent >= 0);
assert(fl_function[fl_indent] == f);
}
void
debug_funclog_enter_exit(const char* f, UNUSED const int line,
UNUSED const char* file)
{
int i;
for (i = 0; i < fl_indent; i++)
debug_printf(" ");
debug_printf("%s\n", f);
}
#endif