diff options
Diffstat (limited to 'ld/ld.texinfo')
| -rw-r--r-- | ld/ld.texinfo | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/ld/ld.texinfo b/ld/ld.texinfo index ae3d568..a8e5ea6 100644 --- a/ld/ld.texinfo +++ b/ld/ld.texinfo @@ -4406,9 +4406,9 @@ scripts. @cindex discarding sections @cindex sections, discarding @cindex removing sections -The linker will not create output sections with no contents. This is -for convenience when referring to input sections that may or may not -be present in any of the input files. For example: +The linker will not normally create output sections with no contents. +This is for convenience when referring to input sections that may or +may not be present in any of the input files. For example: @smallexample .foo : @{ *(.foo) @} @end smallexample @@ -4416,7 +4416,12 @@ be present in any of the input files. For example: will only create a @samp{.foo} section in the output file if there is a @samp{.foo} section in at least one input file, and if the input sections are not all empty. Other link script directives that allocate -space in an output section will also create the output section. +space in an output section will also create the output section. So +too will assignments to dot even if the assignment does not create +space, except for @samp{. = 0}, @samp{. = . + 0}, @samp{. = sym}, +@samp{. = . + sym} and @samp{. = ALIGN (. != 0, expr, 1)} when +@samp{sym} is an absolute symbol of value 0 defined in the script. +This allows you to force output of an empty section with @samp{. = .}. The linker will ignore address assignments (@pxref{Output Section Address}) on discarded output sections, except when the linker script defines |