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qemu-log: fix x86 and user logging

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5726c27fa9 broke
x86 specific options and user emulation specific stdio buffering.

Always enable all log items. They may not be useful for non-x86 targets,
but there's no harm either.

Fix user emulation buffering by passing around a flag.

Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
This commit is contained in:
Blue Swirl 2012-07-07 14:40:18 +00:00
parent 39a4ef1be6
commit 3437e54585
2 changed files with 24 additions and 20 deletions
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32
qemu-log.c
View File

@ -52,7 +52,7 @@ void qemu_log_mask(int mask, const char *fmt, ...)
}
/* enable or disable low levels log */
void cpu_set_log(int log_flags)
void qemu_set_log(int log_flags, bool use_own_buffers)
{
qemu_loglevel = log_flags;
if (qemu_loglevel && !qemu_logfile) {
@ -61,19 +61,20 @@ void cpu_set_log(int log_flags)
perror(logfilename);
_exit(1);
}
#if !defined(CONFIG_SOFTMMU)
/* 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));
}
#elif defined(_WIN32)
/* Win32 doesn't support line-buffering, so use unbuffered output. */
setvbuf(qemu_logfile, NULL, _IONBF, 0);
} 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);
setvbuf(qemu_logfile, NULL, _IOLBF, 0);
#endif
log_append = 1;
log_append = 1;
}
}
if (!qemu_loglevel && qemu_logfile) {
fclose(qemu_logfile);
@ -99,10 +100,7 @@ const CPULogItem cpu_log_items[] = {
{ CPU_LOG_TB_OP, "op",
"show micro ops for each compiled TB" },
{ CPU_LOG_TB_OP_OPT, "op_opt",
"show micro ops "
#ifdef TARGET_I386
"before eflags optimization and "
#endif
"show micro ops (x86 only: before eflags optimization) and\n"
"after liveness analysis" },
{ CPU_LOG_INT, "int",
"show interrupts/exceptions in short format" },
@ -110,16 +108,12 @@ const CPULogItem cpu_log_items[] = {
"show trace before each executed TB (lots of logs)" },
{ CPU_LOG_TB_CPU, "cpu",
"show CPU state before block translation" },
#ifdef TARGET_I386
{ CPU_LOG_PCALL, "pcall",
"show protected mode far calls/returns/exceptions" },
"x86 only: show protected mode far calls/returns/exceptions" },
{ CPU_LOG_RESET, "cpu_reset",
"show CPU state before CPU resets" },
#endif
#ifdef DEBUG_IOPORT
"x86 only: show CPU state before CPU resets" },
{ CPU_LOG_IOPORT, "ioport",
"show all i/o ports accesses" },
#endif
{ LOG_UNIMP, "unimp",
"log unimplemented functionality" },
{ 0, NULL, NULL },

12
qemu-log.h
View File

@ -142,7 +142,17 @@ typedef struct CPULogItem {
extern const CPULogItem cpu_log_items[];
void cpu_set_log(int log_flags);
void qemu_set_log(int log_flags, bool use_own_buffers);
static inline void cpu_set_log(int log_flags)
{
#ifdef CONFIG_USER_ONLY
qemu_set_log(log_flags, true);
#else
qemu_set_log(log_flags, false);
#endif
}
void cpu_set_log_filename(const char *filename);
int cpu_str_to_log_mask(const char *str);