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

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This commit is contained in:
Andy Wingo 2025-04-18 15:11:40 +02:00
commit b6236fdcdc
13 changed files with 82 additions and 48 deletions
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35
libguile/whippet/src/gc-stack.c
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@ -26,40 +26,37 @@ static uintptr_t current_thread_hot_stack_addr(void) {
// FIXME: check platform stack growth direction.
#define HOTTER_THAN <=
static void capture_current_thread_hot_stack_addr(struct gc_stack_addr *addr) {
addr->addr = current_thread_hot_stack_addr();
static struct gc_stack_addr capture_current_thread_hot_stack_addr(void) {
return gc_stack_addr(current_thread_hot_stack_addr());
}
static void capture_current_thread_cold_stack_addr(struct gc_stack_addr *addr) {
addr->addr = gc_platform_current_thread_stack_base();
static struct gc_stack_addr capture_current_thread_cold_stack_addr(void) {
return gc_stack_addr(gc_platform_current_thread_stack_base());
}
void gc_stack_init(struct gc_stack *stack, struct gc_stack_addr *base) {
if (base)
stack->cold = *base;
else
capture_current_thread_cold_stack_addr(&stack->cold);
stack->hot = stack->cold;
void gc_stack_init(struct gc_stack *stack, struct gc_stack_addr base) {
if (gc_stack_addr_is_empty (base))
base = capture_current_thread_cold_stack_addr();
stack->cold = stack->hot = base;
}
void gc_stack_capture_hot(struct gc_stack *stack) {
capture_current_thread_hot_stack_addr(&stack->hot);
stack->hot = capture_current_thread_hot_stack_addr();
setjmp(stack->registers);
GC_ASSERT(stack->hot.addr HOTTER_THAN stack->cold.addr);
}
static void* call_with_stack(void* (*)(struct gc_stack_addr*, void*),
struct gc_stack_addr*, void*) GC_NEVER_INLINE;
static void* call_with_stack(void* (*f)(struct gc_stack_addr *, void *),
struct gc_stack_addr *addr, void *arg) {
static void* call_with_stack(void* (*)(struct gc_stack_addr, void*),
struct gc_stack_addr, void*) GC_NEVER_INLINE;
static void* call_with_stack(void* (*f)(struct gc_stack_addr, void *),
struct gc_stack_addr addr, void *arg) {
return f(addr, arg);
}
void* gc_call_with_stack_addr(void* (*f)(struct gc_stack_addr *base,
void* gc_call_with_stack_addr(void* (*f)(struct gc_stack_addr base,
void *arg),
void *arg) {
struct gc_stack_addr base;
capture_current_thread_hot_stack_addr(&base);
return call_with_stack(f, &base, arg);
struct gc_stack_addr base = capture_current_thread_hot_stack_addr();
return call_with_stack(f, base, arg);
}
void gc_stack_visit(struct gc_stack *stack,