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Diffstat (limited to 'ld/ld.texinfo')
| -rw-r--r-- | ld/ld.texinfo | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/ld/ld.texinfo b/ld/ld.texinfo index e2a971b..ab78ece 100644 --- a/ld/ld.texinfo +++ b/ld/ld.texinfo @@ -3886,6 +3886,16 @@ the next available address within the memory region. If the combined output sections directed to a memory region are too large for the region, the linker will issue an error message. +It is possible to access the origin and length of a memory in an +expression via the @code{ORIGIN(@var{memory})} and +@code{LENGTH(@var{memory})} functions: + +@smallexample +@group + _fstack = ORIGIN(ram) + LENGTH(ram) - 4; +@end group +@end smallexample + @node PHDRS @section PHDRS Command @kindex PHDRS @@ -4661,6 +4671,10 @@ SECTIONS @{ @dots{} @end group @end smallexample +@item LENGTH(@var{memory}) +@kindex LENGTH(@var{memory}) +Return the length of the memory region named @var{memory}. + @item LOADADDR(@var{section}) @kindex LOADADDR(@var{section}) @cindex section load address in expression @@ -4685,6 +4699,10 @@ This function is closely related to @code{ALIGN(@var{exp})}; unless you use the @code{MEMORY} command to define discontinuous memory for the output file, the two functions are equivalent. +@item ORIGIN(@var{memory}) +@kindex ORIGIN(@var{memory}) +Return the origin of the memory region named @var{memory}. + @item SEGMENT_START(@var{segment}, @var{default}) @kindex SEGMENT_START(@var{segment}, @var{default}) Return the base address of the named @var{segment}. If an explicit |