diff options
Diffstat (limited to 'gas/doc/as.texinfo')
| -rw-r--r-- | gas/doc/as.texinfo | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/gas/doc/as.texinfo b/gas/doc/as.texinfo index c0d3276..2b73d3d 100644 --- a/gas/doc/as.texinfo +++ b/gas/doc/as.texinfo @@ -4937,8 +4937,8 @@ For ELF targets, the @code{.symver} directive is used like this: @smallexample .symver @var{name}, @var{name2@@nodename} @end smallexample -In this case, the symbol @var{name} must exist and be defined within the file -being assembled. The @code{.versym} directive effectively creates a symbol +If the symbol @var{name} is defined within the file +being assembled, the @code{.versym} directive effectively creates a symbol alias with the name @var{name2@@nodename}, and in fact the main reason that we just don't try and create a regular alias is that the @var{@@} character isn't permitted in symbol names. The @var{name2} part of the name is the actual name @@ -4951,6 +4951,11 @@ the name of a node specified in the version script supplied to the linker when building a shared library. If you are attempting to override a versioned symbol from a shared library, then @var{nodename} should correspond to the nodename of the symbol you are trying to override. + +If the symbol @var{name} is not defined within the file being assembled, all +references to @var{name} will be changed to @var{name2@@nodename}. If no +reference to @var{name} is made, @var{name2@@nodename} will be removed from the +symbol table. @end ifset @ifset COFF |