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Merge remote-tracking branch 'whippet/main' into wip-whippet

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This commit is contained in:
Andy Wingo 2025-05-15 09:02:31 +02:00
commit 1e3ce66224
5 changed files with 28 additions and 0 deletions
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13
libguile/whippet/api/gc-api.h
View file

@ -301,4 +301,17 @@ static inline void gc_safepoint(struct gc_mutator *mut) {
gc_safepoint_slow(mut);
}
GC_API_ void gc_safepoint_signal_inhibit(struct gc_mutator *mut);
GC_API_ void gc_safepoint_signal_reallow(struct gc_mutator *mut);
static inline void gc_inhibit_preemption(struct gc_mutator *mut) {
if (gc_safepoint_mechanism() == GC_SAFEPOINT_MECHANISM_SIGNAL)
gc_safepoint_signal_inhibit(mut);
}
static inline void gc_reallow_preemption(struct gc_mutator *mut) {
if (gc_safepoint_mechanism() == GC_SAFEPOINT_MECHANISM_SIGNAL)
gc_safepoint_signal_reallow(mut);
}
#endif // GC_API_H_

7
libguile/whippet/src/bdw.c
View file

@ -203,6 +203,13 @@ void gc_write_barrier_slow(struct gc_mutator *mut, struct gc_ref obj,
int* gc_safepoint_flag_loc(struct gc_mutator *mut) { GC_CRASH(); }
void gc_safepoint_slow(struct gc_mutator *mut) { GC_CRASH(); }
void gc_safepoint_signal_inhibit(struct gc_mutator *mut) {
GC_alloc_lock();
}
void gc_safepoint_signal_reallow(struct gc_mutator *mut) {
GC_alloc_unlock();
}
struct bdw_mark_state {
struct GC_ms_entry *mark_stack_ptr;
struct GC_ms_entry *mark_stack_limit;

3
libguile/whippet/src/mmc.c
View file

@ -869,6 +869,9 @@ gc_safepoint_slow(struct gc_mutator *mut) {
heap_unlock(heap);
}
void gc_safepoint_signal_inhibit(struct gc_mutator *mut) { GC_CRASH(); }
void gc_safepoint_signal_reallow(struct gc_mutator *mut) { GC_CRASH(); }
static enum gc_trace_kind
compute_trace_kind(enum gc_allocation_kind kind) {
if (GC_CONSERVATIVE_TRACE) {

3
libguile/whippet/src/pcc.c
View file

@ -1081,6 +1081,9 @@ void gc_safepoint_slow(struct gc_mutator *mut) {
heap_unlock(heap);
}
void gc_safepoint_signal_inhibit(struct gc_mutator *mut) { GC_CRASH(); }
void gc_safepoint_signal_reallow(struct gc_mutator *mut) { GC_CRASH(); }
struct gc_ephemeron* gc_allocate_ephemeron(struct gc_mutator *mut) {
return gc_allocate(mut, gc_ephemeron_size(), GC_ALLOCATION_TAGGED);
}

2
libguile/whippet/src/semi.c
View file

@ -487,6 +487,8 @@ void gc_write_barrier_slow(struct gc_mutator *mut, struct gc_ref obj,
int* gc_safepoint_flag_loc(struct gc_mutator *mut) { GC_CRASH(); }
void gc_safepoint_slow(struct gc_mutator *mut) { GC_CRASH(); }
void gc_safepoint_signal_inhibit(struct gc_mutator *mut) { GC_CRASH(); }
void gc_safepoint_signal_reallow(struct gc_mutator *mut) { GC_CRASH(); }
static int collect_for_large_alloc(struct gc_mutator *mut, size_t npages) {
size_t bytes = npages * mutator_semi_space(mut)->page_size;