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Improvements #6

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461aca2
Use __builtin_align_up if available
jcestibariz Dec 19, 2023
b515c77
Add make step for static library
jcestibariz Dec 19, 2023
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8 changes: 7 additions & 1 deletion Makefile
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Original file line number Diff line number Diff line change
Expand Up @@ -2,6 +2,8 @@ all: test

CC?=clang
LD?=wasm-ld
AR?=llvm-ar
RANLIB?=llvm-ranlib
JS?=node

.PHONY: test
Expand All @@ -15,6 +17,10 @@ test: test.js test.wasm
test.wasm: test.o walloc.o
$(LD) --no-entry --import-memory -o $@ $^

libwalloc.a: walloc.o
$(AR) rc $@ $<
$(RANLIB) $@

.PHONY: clean
clean:
rm -f *.o *.wasm
rm -f *.o *.a *.wasm
4 changes: 4 additions & 0 deletions walloc.c
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Expand Up @@ -38,9 +38,13 @@ typedef __UINT8_TYPE__ uint8_t;
static inline size_t max(size_t a, size_t b) {
return a < b ? b : a;
}
#if __has_constexpr_builtin(__builtin_align_up)
#define align __builtin_align_up
#else
static inline uintptr_t align(uintptr_t val, uintptr_t alignment) {
return (val + alignment - 1) & ~(alignment - 1);
}
#endif
#define ASSERT_ALIGNED(x, y) ASSERT((x) == align((x), y))

#define CHUNK_SIZE 256
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