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qemu_log_lock/unlock now preserves the qemu_logfile handle.

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qemu_log_lock() now returns a handle and qemu_log_unlock() receives a
handle to unlock.  This allows for changing the handle during logging
and ensures the lock() and unlock() are for the same file.

Also in target/tilegx/translate.c removed the qemu_log_lock()/unlock()
calls (and the log("\n")), since the translator can longjmp out of the
loop if it attempts to translate an instruction in an inaccessible page.

Signed-off-by: Robert Foley <robert.foley@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20191118211528.3221-5-robert.foley@linaro.org>
This commit is contained in:
Robert Foley 2019-11-18 16:15:26 -05:00 • committed by Alex Bennée
parent b8121fe7c0
commit fc59d2d870
15 changed files with 39 additions and 42 deletions
Download patch file Download diff file Expand all files Collapse all files

4
accel/tcg/cpu-exec.c
View file

@ -156,7 +156,7 @@ static inline tcg_target_ulong cpu_tb_exec(CPUState *cpu, TranslationBlock *itb)
#if defined(DEBUG_DISAS)
if (qemu_loglevel_mask(CPU_LOG_TB_CPU)
&& qemu_log_in_addr_range(itb->pc)) {
qemu_log_lock();
FILE *logfile = qemu_log_lock();
int flags = 0;
if (qemu_loglevel_mask(CPU_LOG_TB_FPU)) {
flags |= CPU_DUMP_FPU;
@ -165,7 +165,7 @@ static inline tcg_target_ulong cpu_tb_exec(CPUState *cpu, TranslationBlock *itb)
flags |= CPU_DUMP_CCOP;
#endif
log_cpu_state(cpu, flags);
qemu_log_unlock();
qemu_log_unlock(logfile);
}
#endif /* DEBUG_DISAS */

4
accel/tcg/translate-all.c
View file

@ -1804,7 +1804,7 @@ TranslationBlock *tb_gen_code(CPUState *cpu,
#ifdef DEBUG_DISAS
if (qemu_loglevel_mask(CPU_LOG_TB_OUT_ASM) &&
qemu_log_in_addr_range(tb->pc)) {
qemu_log_lock();
FILE *logfile = qemu_log_lock();
qemu_log("OUT: [size=%d]\n", gen_code_size);
if (tcg_ctx->data_gen_ptr) {
size_t code_size = tcg_ctx->data_gen_ptr - tb->tc.ptr;
@ -1829,7 +1829,7 @@ TranslationBlock *tb_gen_code(CPUState *cpu,
}
qemu_log("\n");
qemu_log_flush();
qemu_log_unlock();
qemu_log_unlock(logfile);
}
#endif

4
accel/tcg/translator.c
View file

@ -138,11 +138,11 @@ void translator_loop(const TranslatorOps *ops, DisasContextBase *db,
#ifdef DEBUG_DISAS
if (qemu_loglevel_mask(CPU_LOG_TB_IN_ASM)
&& qemu_log_in_addr_range(db->pc_first)) {
qemu_log_lock();
FILE *logfile = qemu_log_lock();
qemu_log("----------------\n");
ops->disas_log(db, cpu);
qemu_log("\n");
qemu_log_unlock();
qemu_log_unlock(logfile);
}
#endif
}