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* doc/as.texinfo (Previous): Clarify explanation of the behaviour of this 

pseudo-op and add a couple of examples.
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Nick Clifton 2007-10-08 15:29:40 +00:00
parent bd3ba5d1b3
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@ -1,3 +1,8 @@
2007-10-08 Nick Clifton <nickc@redhat.com>
* doc/as.texinfo (Previous): Clarify explanation of the behaviour
of this pseudo-op and add a couple of examples.
2007-10-08 Nick Clifton <nickc@redhat.com>
PR gas/5121 gas/5122 gas/5123

37
gas/doc/as.texinfo
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@ -5346,9 +5346,42 @@ This is one of the ELF section stack manipulation directives. The others are
(@pxref{PopSection}).
This directive swaps the current section (and subsection) with most recently
referenced section (and subsection) prior to this one. Multiple
referenced section/subsection pair prior to this one. Multiple
@code{.previous} directives in a row will flip between two sections (and their
subsections).
subsections). For example:
@smallexample
.section A
.subsection 1
.word 0x1234
.subsection 2
.word 0x5678
.previous
.word 0x9abc
@end smallexample
Will place 0x1234 and 0x9abc into subsection 1 and 0x5678 into subsection 2 of
section A. Whilst:
@smallexample
.section A
.subsection 1
# Now in section A subsection 1
.word 0x1234
.section B
.subsection 0
# Now in section B subsection 0
.word 0x5678
.subsection 1
# Now in section B subsection 1
.word 0x9abc
.previous
# Now in section B subsection 0
.word 0xdef0
@end smallexample
Will place 0x1234 into section A, 0x5678 and 0xdef0 into subsection 0 of
section B and 0x9abc into subsection 1 of section B.
In terms of the section stack, this directive swaps the current section with
the top section on the section stack.