diff options
Diffstat (limited to 'accel/tcg/cpu-exec-common.c')
| -rw-r--r-- | accel/tcg/cpu-exec-common.c | 34 |
1 files changed, 33 insertions, 1 deletions
diff --git a/accel/tcg/cpu-exec-common.c b/accel/tcg/cpu-exec-common.c index 6ecfc4e7c2..c5c513f1e4 100644 --- a/accel/tcg/cpu-exec-common.c +++ b/accel/tcg/cpu-exec-common.c @@ -18,13 +18,45 @@ */ #include "qemu/osdep.h" -#include "system/cpus.h" +#include "exec/log.h" #include "system/tcg.h" #include "qemu/plugin.h" #include "internal-common.h" bool tcg_allowed; +bool tcg_cflags_has(CPUState *cpu, uint32_t flags) +{ + return cpu->tcg_cflags & flags; +} + +void tcg_cflags_set(CPUState *cpu, uint32_t flags) +{ + cpu->tcg_cflags |= flags; +} + +uint32_t curr_cflags(CPUState *cpu) +{ + uint32_t cflags = cpu->tcg_cflags; + + /* + * Record gdb single-step. We should be exiting the TB by raising + * EXCP_DEBUG, but to simplify other tests, disable chaining too. + * + * For singlestep and -d nochain, suppress goto_tb so that + * we can log -d cpu,exec after every TB. + */ + if (unlikely(cpu->singlestep_enabled)) { + cflags |= CF_NO_GOTO_TB | CF_NO_GOTO_PTR | CF_SINGLE_STEP | 1; + } else if (qatomic_read(&one_insn_per_tb)) { + cflags |= CF_NO_GOTO_TB | 1; + } else if (qemu_loglevel_mask(CPU_LOG_TB_NOCHAIN)) { + cflags |= CF_NO_GOTO_TB; + } + + return cflags; +} + /* exit the current TB, but without causing any exception to be raised */ void cpu_loop_exit_noexc(CPUState *cpu) { |