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linux-user: Use `qemu_log' for strace

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This change switches linux-user strace logging to use the newer `qemu_log`
logging subsystem rather than the older `gemu_log` (notice the "g")
logger. `qemu_log` has several advantages, namely that it allows logging
to a file, and provides a more unified interface for configuration
of logging (via the QEMU_LOG environment variable or options).

This change introduces a new log mask: `LOG_STRACE` which is used for
logging of user-mode strace messages.

Reviewed-by: Laurent Vivier <laurent@vivier.eu>
Signed-off-by: Josh Kunz <jkz@google.com>
Message-Id: <20200204025416.111409-3-jkz@google.com>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
This commit is contained in:
Josh Kunz 2020-02-03 18:54:14 -08:00 • committed by Laurent Vivier
parent 39be535008
commit 4b25a50674
7 changed files with 278 additions and 251 deletions
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2
include/qemu/log.h
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@ -62,6 +62,8 @@ static inline bool qemu_log_separate(void)
#define CPU_LOG_TB_OP_IND (1 << 16)
#define CPU_LOG_TB_FPU (1 << 17)
#define CPU_LOG_PLUGIN (1 << 18)
/* LOG_STRACE is used for user-mode strace logging. */
#define LOG_STRACE (1 << 19)
/* Lock output for a series of related logs. Since this is not needed
* for a single qemu_log / qemu_log_mask / qemu_log_mask_and_addr, we