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Carl Shapiro
cmucl
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e56b2aee
Commit
e56b2aee
authored
20 years ago
by
rtoy
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The array header length slot is array rank + 6, not 5.
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docs/internals/object.tex
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e56b2aee
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@@ -356,7 +356,7 @@ type tag, but nil points four additional bytes into its symbol data-block.
...
@@ -356,7 +356,7 @@ type tag, but nil points four additional bytes into its symbol data-block.
The array-header data-block has the following format:
The array-header data-block has the following format:
\begin{verbatim}
\begin{verbatim}
----------------------------------------------------------------
----------------------------------------------------------------
| Header Len (24 bits) = Array Rank +
5
| Array Type (8 bits) |
| Header Len (24 bits) = Array Rank +
6
| Array Type (8 bits) |
----------------------------------------------------------------
----------------------------------------------------------------
| Fill Pointer (30 bits) | 0 0 |
| Fill Pointer (30 bits) | 0 0 |
----------------------------------------------------------------
----------------------------------------------------------------
...
@@ -381,7 +381,7 @@ The array type in the header-word is one of the eight-bit patterns from
...
@@ -381,7 +381,7 @@ The array type in the header-word is one of the eight-bit patterns from
``Data-Blocks and Other-immediates Typing'', section~
\ref
{
sec:data-blocks-and-header
}
, indicating that this is a complex
``Data-Blocks and Other-immediates Typing'', section~
\ref
{
sec:data-blocks-and-header
}
, indicating that this is a complex
string, complex vector, complex bit-vector, or a multi-dimensional array. The
string, complex vector, complex bit-vector, or a multi-dimensional array. The
data portion of the other-immediate word is the length of the array header
data portion of the other-immediate word is the length of the array header
data-block. Due to its format, its length is always
five
greater than the
data-block. Due to its format, its length is always
six
greater than the
array's number of dimensions. The following words have the following
array's number of dimensions. The following words have the following
interpretations and types:
interpretations and types:
\begin{description}
\begin{description}
...
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