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-rw-r--r--qemu/util/log.c313
1 files changed, 0 insertions, 313 deletions
diff --git a/qemu/util/log.c b/qemu/util/log.c
deleted file mode 100644
index 1857730dc..000000000
--- a/qemu/util/log.c
+++ /dev/null
@@ -1,313 +0,0 @@
-/*
- * Logging support
- *
- * Copyright (c) 2003 Fabrice Bellard
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, see <http://www.gnu.org/licenses/>.
- */
-
-#include "qemu/osdep.h"
-#include "qemu-common.h"
-#include "qemu/log.h"
-#include "qemu/range.h"
-#include "qemu/error-report.h"
-#include "qemu/cutils.h"
-#include "trace/control.h"
-
-static char *logfilename;
-FILE *qemu_logfile;
-int qemu_loglevel;
-static int log_append = 0;
-static GArray *debug_regions;
-
-void qemu_log(const char *fmt, ...)
-{
- va_list ap;
-
- va_start(ap, fmt);
- if (qemu_logfile) {
- vfprintf(qemu_logfile, fmt, ap);
- }
- va_end(ap);
-}
-
-/* enable or disable low levels log */
-void do_qemu_set_log(int log_flags, bool use_own_buffers)
-{
- qemu_loglevel = log_flags;
-#ifdef CONFIG_TRACE_LOG
- qemu_loglevel |= LOG_TRACE;
-#endif
- if (!qemu_logfile &&
- (is_daemonized() ? logfilename != NULL : qemu_loglevel)) {
- if (logfilename) {
- qemu_logfile = fopen(logfilename, log_append ? "a" : "w");
- if (!qemu_logfile) {
- perror(logfilename);
- _exit(1);
- }
- /* In case we are a daemon redirect stderr to logfile */
- if (is_daemonized()) {
- dup2(fileno(qemu_logfile), STDERR_FILENO);
- fclose(qemu_logfile);
- /* This will skip closing logfile in qemu_log_close() */
- qemu_logfile = stderr;
- }
- } else {
- /* Default to stderr if no log file specified */
- assert(!is_daemonized());
- qemu_logfile = stderr;
- }
- /* must avoid mmap() usage of glibc by setting a buffer "by hand" */
- if (use_own_buffers) {
- static char logfile_buf[4096];
-
- setvbuf(qemu_logfile, logfile_buf, _IOLBF, sizeof(logfile_buf));
- } else {
-#if defined(_WIN32)
- /* Win32 doesn't support line-buffering, so use unbuffered output. */
- setvbuf(qemu_logfile, NULL, _IONBF, 0);
-#else
- setvbuf(qemu_logfile, NULL, _IOLBF, 0);
-#endif
- log_append = 1;
- }
- }
- if (qemu_logfile &&
- (is_daemonized() ? logfilename == NULL : !qemu_loglevel)) {
- qemu_log_close();
- }
-}
-/*
- * Allow the user to include %d in their logfile which will be
- * substituted with the current PID. This is useful for debugging many
- * nested linux-user tasks but will result in lots of logs.
- */
-void qemu_set_log_filename(const char *filename)
-{
- char *pidstr;
- g_free(logfilename);
-
- pidstr = strstr(filename, "%");
- if (pidstr) {
- /* We only accept one %d, no other format strings */
- if (pidstr[1] != 'd' || strchr(pidstr + 2, '%')) {
- error_report("Bad logfile format: %s", filename);
- logfilename = NULL;
- } else {
- logfilename = g_strdup_printf(filename, getpid());
- }
- } else {
- logfilename = g_strdup(filename);
- }
- qemu_log_close();
- qemu_set_log(qemu_loglevel);
-}
-
-/* Returns true if addr is in our debug filter or no filter defined
- */
-bool qemu_log_in_addr_range(uint64_t addr)
-{
- if (debug_regions) {
- int i = 0;
- for (i = 0; i < debug_regions->len; i++) {
- struct Range *range = &g_array_index(debug_regions, Range, i);
- if (addr >= range->begin && addr <= range->end) {
- return true;
- }
- }
- return false;
- } else {
- return true;
- }
-}
-
-
-void qemu_set_dfilter_ranges(const char *filter_spec)
-{
- gchar **ranges = g_strsplit(filter_spec, ",", 0);
- if (ranges) {
- gchar **next = ranges;
- gchar *r = *next++;
- debug_regions = g_array_sized_new(FALSE, FALSE,
- sizeof(Range), g_strv_length(ranges));
- while (r) {
- char *range_op = strstr(r, "-");
- char *r2 = range_op ? range_op + 1 : NULL;
- if (!range_op) {
- range_op = strstr(r, "+");
- r2 = range_op ? range_op + 1 : NULL;
- }
- if (!range_op) {
- range_op = strstr(r, "..");
- r2 = range_op ? range_op + 2 : NULL;
- }
- if (range_op) {
- const char *e = NULL;
- uint64_t r1val, r2val;
-
- if ((qemu_strtoull(r, &e, 0, &r1val) == 0) &&
- (qemu_strtoull(r2, NULL, 0, &r2val) == 0) &&
- r2val > 0) {
- struct Range range;
-
- g_assert(e == range_op);
-
- switch (*range_op) {
- case '+':
- {
- range.begin = r1val;
- range.end = r1val + (r2val - 1);
- break;
- }
- case '-':
- {
- range.end = r1val;
- range.begin = r1val - (r2val - 1);
- break;
- }
- case '.':
- range.begin = r1val;
- range.end = r2val;
- break;
- default:
- g_assert_not_reached();
- }
- g_array_append_val(debug_regions, range);
-
- } else {
- g_error("Failed to parse range in: %s", r);
- }
- } else {
- g_error("Bad range specifier in: %s", r);
- }
- r = *next++;
- }
- g_strfreev(ranges);
- }
-}
-
-/* fflush() the log file */
-void qemu_log_flush(void)
-{
- fflush(qemu_logfile);
-}
-
-/* Close the log file */
-void qemu_log_close(void)
-{
- if (qemu_logfile) {
- if (qemu_logfile != stderr) {
- fclose(qemu_logfile);
- }
- qemu_logfile = NULL;
- }
-}
-
-const QEMULogItem qemu_log_items[] = {
- { CPU_LOG_TB_OUT_ASM, "out_asm",
- "show generated host assembly code for each compiled TB" },
- { CPU_LOG_TB_IN_ASM, "in_asm",
- "show target assembly code for each compiled TB" },
- { CPU_LOG_TB_OP, "op",
- "show micro ops for each compiled TB" },
- { CPU_LOG_TB_OP_OPT, "op_opt",
- "show micro ops (x86 only: before eflags optimization) and\n"
- "after liveness analysis" },
- { CPU_LOG_INT, "int",
- "show interrupts/exceptions in short format" },
- { CPU_LOG_EXEC, "exec",
- "show trace before each executed TB (lots of logs)" },
- { CPU_LOG_TB_CPU, "cpu",
- "show CPU registers before entering a TB (lots of logs)" },
- { CPU_LOG_MMU, "mmu",
- "log MMU-related activities" },
- { CPU_LOG_PCALL, "pcall",
- "x86 only: show protected mode far calls/returns/exceptions" },
- { CPU_LOG_RESET, "cpu_reset",
- "show CPU state before CPU resets" },
- { LOG_UNIMP, "unimp",
- "log unimplemented functionality" },
- { LOG_GUEST_ERROR, "guest_errors",
- "log when the guest OS does something invalid (eg accessing a\n"
- "non-existent register)" },
- { CPU_LOG_PAGE, "page",
- "dump pages at beginning of user mode emulation" },
- { CPU_LOG_TB_NOCHAIN, "nochain",
- "do not chain compiled TBs so that \"exec\" and \"cpu\" show\n"
- "complete traces" },
- { 0, NULL, NULL },
-};
-
-static int cmp1(const char *s1, int n, const char *s2)
-{
- if (strlen(s2) != n) {
- return 0;
- }
- return memcmp(s1, s2, n) == 0;
-}
-
-/* takes a comma separated list of log masks. Return 0 if error. */
-int qemu_str_to_log_mask(const char *str)
-{
- const QEMULogItem *item;
- int mask;
- const char *p, *p1;
-
- p = str;
- mask = 0;
- for (;;) {
- p1 = strchr(p, ',');
- if (!p1) {
- p1 = p + strlen(p);
- }
- if (cmp1(p,p1-p,"all")) {
- for (item = qemu_log_items; item->mask != 0; item++) {
- mask |= item->mask;
- }
-#ifdef CONFIG_TRACE_LOG
- } else if (strncmp(p, "trace:", 6) == 0 && p + 6 != p1) {
- trace_enable_events(p + 6);
- mask |= LOG_TRACE;
-#endif
- } else {
- for (item = qemu_log_items; item->mask != 0; item++) {
- if (cmp1(p, p1 - p, item->name)) {
- goto found;
- }
- }
- return 0;
- found:
- mask |= item->mask;
- }
- if (*p1 != ',') {
- break;
- }
- p = p1 + 1;
- }
- return mask;
-}
-
-void qemu_print_log_usage(FILE *f)
-{
- const QEMULogItem *item;
- fprintf(f, "Log items (comma separated):\n");
- for (item = qemu_log_items; item->mask != 0; item++) {
- fprintf(f, "%-15s %s\n", item->name, item->help);
- }
-#ifdef CONFIG_TRACE_LOG
- fprintf(f, "trace:PATTERN enable trace events\n");
- fprintf(f, "\nUse \"-d trace:help\" to get a list of trace events.\n\n");
-#endif
-}