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rt: take into account alignment for debug_opaque. Closes #2667

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This commit is contained in:
Luqman Aden 2013-02-13 05:28:24 -05:00
parent d67e144f68
commit c22d0af14c
1 changed files with 6 additions and 3 deletions
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9
src/rt/rust_builtin.cpp
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@ -241,10 +241,13 @@ debug_opaque(type_desc *t, uint8_t *front) {
rust_task *task = rust_get_current_task(); rust_task *task = rust_get_current_task();
LOG(task, stdlib, "debug_opaque"); LOG(task, stdlib, "debug_opaque");
debug_tydesc_helper(t); debug_tydesc_helper(t);
// FIXME (#2667) may want to actually account for alignment.
// `front` may not indeed be the front byte of the passed-in
// argument.
for (uintptr_t i = 0; i < t->size; ++front, ++i) { for (uintptr_t i = 0; i < t->size; ++front, ++i) {
// Account for alignment. `front` may not indeed be the
// front byte of the passed-in argument
if (((uintptr_t)front % t->align) != 0)
front = (uint8_t *)align_to((uintptr_t)front, (size_t)t->align);
LOG(task, stdlib, " byte %" PRIdPTR ": 0x%" PRIx8, i, *front); LOG(task, stdlib, " byte %" PRIdPTR ": 0x%" PRIx8, i, *front);
} }
} }