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PR 518

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Update the descriptions of the ORIGIN and LENGTH fields in the MEMORY command,
to explicitly state that symbols cannot be used in their expressions.
This commit is contained in:
Nick Clifton
2004-11-19 09:38:04 +00:00
parent 3ec5763260
commit 9cd6d51a56
2 changed files with 14 additions and 7 deletions
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7
ld/ChangeLog
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@ -1,3 +1,10 @@
2004-11-19 Nick Clifton <nickc@redhat.com>
PR 518
* ld.texinfo (MEMORY): Update the descriptions of the ORIGIN and
LENGTH fields in the MEMORY command, to explicitly state that
symbols cannot be used in their expressions.
2004-11-19 Jon Beniston <jon@beniston.com> 2004-11-19 Jon Beniston <jon@beniston.com>
* ld/ldlex.l: Allow ORIGIN and LENGTH in EXPRESSION. * ld/ldlex.l: Allow ORIGIN and LENGTH in EXPRESSION.

14
ld/ld.texinfo
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@ -3843,19 +3843,19 @@ attributes.
@kindex ORIGIN = @kindex ORIGIN =
@kindex o = @kindex o =
@kindex org = @kindex org =
The @var{origin} is an expression for the start address of the memory The @var{origin} is an numerical expression for the start address of
region. The expression must evaluate to a constant before memory the memory region. The expression must evaluate to a constant and it
allocation is performed, which means that you may not use any section cannot involve any symbols. The keyword @code{ORIGIN} may be
relative symbols. The keyword @code{ORIGIN} may be abbreviated to abbreviated to @code{org} or @code{o} (but not, for example,
@code{org} or @code{o} (but not, for example, @code{ORG}). @code{ORG}).
@kindex LENGTH = @kindex LENGTH =
@kindex len = @kindex len =
@kindex l = @kindex l =
The @var{len} is an expression for the size in bytes of the memory The @var{len} is an expression for the size in bytes of the memory
region. As with the @var{origin} expression, the expression must region. As with the @var{origin} expression, the expression must
evaluate to a constant before memory allocation is performed. The be numerical only and must evaluate to a constant. The keyword
keyword @code{LENGTH} may be abbreviated to @code{len} or @code{l}. @code{LENGTH} may be abbreviated to @code{len} or @code{l}.
In the following example, we specify that there are two memory regions In the following example, we specify that there are two memory regions
available for allocation: one starting at @samp{0} for 256 kilobytes, available for allocation: one starting at @samp{0} for 256 kilobytes,