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6730276: JDI_REGRESSION tests fail with "Error: count must be non-zero" error on x86

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Modify assembler code to check for 0 count for all copy routines.

Reviewed-by: never, ysr, jcoomes
This commit is contained in:
Vladimir Kozlov 2010-06-10 13:04:20 -07:00
parent 1f4cfb029b
commit 9c7b430e11
11 changed files with 89 additions and 144 deletions
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4
hotspot/src/share/vm/asm/codeBuffer.cpp
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@ -404,7 +404,7 @@ void CodeSection::expand_locs(int new_capacity) {
locs_start = REALLOC_RESOURCE_ARRAY(relocInfo, _locs_start, old_capacity, new_capacity);
} else {
locs_start = NEW_RESOURCE_ARRAY(relocInfo, new_capacity);
Copy::conjoint_bytes(_locs_start, locs_start, old_capacity * sizeof(relocInfo));
Copy::conjoint_jbytes(_locs_start, locs_start, old_capacity * sizeof(relocInfo));
_locs_own = true;
}
_locs_start = locs_start;
@ -581,7 +581,7 @@ csize_t CodeBuffer::copy_relocations_to(CodeBlob* dest) const {
(HeapWord*)(buf+buf_offset),
(lsize + HeapWordSize-1) / HeapWordSize);
} else {
Copy::conjoint_bytes(lstart, buf+buf_offset, lsize);
Copy::conjoint_jbytes(lstart, buf+buf_offset, lsize);
}
}
buf_offset += lsize;