diff options
Diffstat (limited to 'ld/ld.texinfo')
| -rw-r--r-- | ld/ld.texinfo | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/ld/ld.texinfo b/ld/ld.texinfo index d0a5d90..dd3149c 100644 --- a/ld/ld.texinfo +++ b/ld/ld.texinfo @@ -3410,6 +3410,7 @@ the symbol and place it into the symbol table with a global scope. @menu * Simple Assignments:: Simple Assignments +* HIDDEN:: HIDDEN * PROVIDE:: PROVIDE * PROVIDE_HIDDEN:: PROVIDE_HIDDEN * Source Code Reference:: How to use a linker script defined symbol in source code @@ -3473,6 +3474,31 @@ the last @samp{.text} input section. The symbol @samp{_bdata} will be defined as the address following the @samp{.text} output section aligned upward to a 4 byte boundary. +@node HIDDEN +@subsection HIDDEN +@cindex HIDDEN +For ELF targeted ports, define a symbol that will be hidden and won't be +exported. The syntax is @code{HIDDEN(@var{symbol} = @var{expression})}. + +Here is the example from @ref{Simple Assignments}, rewritten to use +@code{HIDDEN}: + +@smallexample +HIDDEN(floating_point = 0); +SECTIONS +@{ + .text : + @{ + *(.text) + HIDDEN(_etext = .); + @} + HIDDEN(_bdata = (. + 3) & ~ 3); + .data : @{ *(.data) @} +@} +@end smallexample +@noindent +In this case none of the three symbols will be visible outside this module. + @node PROVIDE @subsection PROVIDE @cindex PROVIDE |