#define GET_MARKER(channel, name) (__mark_##channel##_##name)
#define _DEFINE_MARKER(channel, name, tp_name_str, tp_cb, format, unique, m) \
- struct registers regs; \
+ struct registers __marker_regs; \
\
/* This next asm has to be a basic inline asm (no input/output/clobber), \
* because it must not require %-sign escaping, as we most certainly \
_ASM_PTR "(__mstrtab_" __stringify(channel) "_" __stringify(name) "_format_" __stringify(unique) ")\n\t" /* format string */ \
".byte 0\n\t" /* state imv */ \
".byte 0\n\t" /* ptype */ \
- ".word 0\n\t" /* channel_id */ \
- ".word 0\n\t" /* event_id */ \
+ ".hword 0\n\t" /* channel_id */ \
+ ".hword 0\n\t" /* event_id */ \
".balign " __stringify(__WORDSIZE) " / 8\n\t" /* alignment */ \
_ASM_PTR "(marker_probe_cb)\n\t" /* call */ \
_ASM_PTR "(__mark_empty_function)\n\t" /* marker_probe_closure single.field1 */ \
".previous\n\t" \
/*".section __markers_ptrs\n\t"*/ \
".section __markers_ptrs,\"a\"\n\t" \
- ".balign 8\n\t" \
_ASM_PTR "(2b)\n\t" \
".previous\n\t" \
"1:\n\t" \
ARCH_COPY_ADDR("%[outptr]") \
: [outptr] "=r" (m) ); \
\
- save_registers(®s)
+ save_registers(&__marker_regs)
#define DEFINE_MARKER(channel, name, format, unique, m) \
#define __trace_mark_counter(generic, channel, name, unique, call_private, format, args...) \
do { \
- struct marker *m; \
- DEFINE_MARKER(channel, name, format, unique, m); \
+ struct marker *__marker_counter_ptr; \
+ DEFINE_MARKER(channel, name, format, unique, __marker_counter_ptr); \
__mark_check_format(format, ## args); \
if (!generic) { \
- if (unlikely(imv_read(m->state))) \
- (m->call)(m, call_private, ®s, ## args); \
+ if (unlikely(imv_read(__marker_counter_ptr->state))) \
+ (__marker_counter_ptr->call)(__marker_counter_ptr, call_private, &__marker_regs, ## args); \
} else { \
- if (unlikely(_imv_read(m->state))) \
- (m->call)(m, call_private, ®s, ## args); \
+ if (unlikely(_imv_read(__marker_counter_ptr->state))) \
+ (__marker_counter_ptr->call)(__marker_counter_ptr, call_private, &__marker_regs, ## args); \
} \
} while (0)
#define __trace_mark_tp_counter(channel, name, unique, call_private, tp_name, tp_cb, format, args...) \
do { \
- struct registers regs; \
+ struct registers __marker_regs; \
void __check_tp_type(void) \
{ \
register_trace_##tp_name(tp_cb, call_private); \
DEFINE_MARKER_TP(channel, name, tp_name, tp_cb, format);\
__mark_check_format(format, ## args); \
(*GET_MARKER(channel, name).call)(&GET_MARKER(channel, name), \
- call_private, ®s, ## args); \
+ call_private, &__marker_regs, ## args); \
} while (0)
extern void marker_update_probe_range(struct marker * const *begin,
#define MARKER_LIB \
extern struct marker * const __start___markers_ptrs[] __attribute__((weak, visibility("hidden"))); \
extern struct marker * const __stop___markers_ptrs[] __attribute__((weak, visibility("hidden"))); \
+ static struct marker * const __mark_ptr_dummy \
+ __attribute__((used, section("__markers_ptrs"))) = NULL;\
\
static void __attribute__((constructor)) __markers__init(void) \
{ \