Refactor permuted backtrace test allocation.
Refactor permuted backtrace test allocation that was originally used only by the prof_accum test, so that it can be used by other heap profiling test binaries.
This commit is contained in:
31
test/include/test/btalloc.h
Normal file
31
test/include/test/btalloc.h
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@@ -0,0 +1,31 @@
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/* btalloc() provides a mechanism for allocating via permuted backtraces. */
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void *btalloc(size_t size, unsigned bits);
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#define btalloc_n_proto(n) \
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void *btalloc_##n(size_t size, unsigned bits);
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btalloc_n_proto(0)
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btalloc_n_proto(1)
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#define btalloc_n_gen(n) \
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void * \
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btalloc_##n(size_t size, unsigned bits) \
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{ \
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void *p; \
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\
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if (bits == 0) \
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p = mallocx(size, 0); \
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else { \
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switch (bits & 0x1U) { \
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case 0: \
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p = (btalloc_0(size, bits >> 1)); \
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break; \
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case 1: \
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p = (btalloc_1(size, bits >> 1)); \
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break; \
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default: not_reached(); \
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} \
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} \
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/* Intentionally sabotage tail call optimization. */ \
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assert_ptr_not_null(p, "Unexpected mallocx() failure"); \
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return (p); \
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}
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@@ -133,6 +133,7 @@
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/*
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* Common test utilities.
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*/
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#include "test/btalloc.h"
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#include "test/math.h"
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#include "test/mtx.h"
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#include "test/mq.h"
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