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Add conservative stack capture

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This isn't really wired up yet anywhere, but add a precursor to
conservative stack scanning.
This commit is contained in:
Andy Wingo 2022-09-16 13:40:55 +02:00
parent a5b1a66d21
commit d2bde8319f
10 changed files with 200 additions and 58 deletions
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17
gc-align.h Normal file
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#ifndef GC_ALIGN_H
#define GC_ALIGN_H
#ifndef GC_IMPL
#error internal header file, not part of API
#endif
#include <stdint.h>
static inline uintptr_t align_down(uintptr_t addr, size_t align) {
return addr & ~(align - 1);
}
static inline uintptr_t align_up(uintptr_t addr, size_t align) {
return align_down(addr + align - 1, align);
}
#endif // GC_ALIGN_H