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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 1034b1e..99450f6 100644 --- a/ld/ld.texinfo +++ b/ld/ld.texinfo @@ -2704,6 +2704,24 @@ the environment variable @code{GNUTARGET}, if available, to select the output file format. If that variable is also absent, @code{ld} uses the default format configured for your machine in the BFD libraries. @end ifclear + +@cindex cross references +@kindex NOCROSSREFS ( @var{sections} ) +@item NOCROSSREFS ( @var{section} @var{section} @dots{} ) +This command may be used to tell @code{ld} to issue an error about any +references among certain sections. + +In certain types of programs, particularly on embedded systems, when one +section is loaded into memory, another section will not be. Any direct +references between the two sections would be errors. For example, it +would be an error if code in one section called a function defined in +the other section. + +The @code{NOCROSSREFS} command takes a list of section names. If +@code{ld} detects any cross references between the sections, it reports +an error and returns a non-zero exit status. The @code{NOCROSSREFS} +command uses output section names, defined in the @code{SECTIONS} +command. It does not use the names of input sections. @end table @ifset GENERIC |