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| author | H.J. Lu <hjl.tools@gmail.com> | 2000-11-08 00:24:23 +0000 |
|---|---|---|
| committer | H.J. Lu <hjl.tools@gmail.com> | 2000-11-08 00:24:23 +0000 |
| commit | 339681c049b110e7e51af9c28ee8fd5c7d18682b (patch) | |
| tree | 17cc9b89755181dc363e886ef5e6acc92ca0036b /gas/doc/as.texinfo | |
| parent | 4a314ec807d0b51845867b8bc22df797528e8a51 (diff) | |
| download | gdb-339681c049b110e7e51af9c28ee8fd5c7d18682b.zip gdb-339681c049b110e7e51af9c28ee8fd5c7d18682b.tar.gz gdb-339681c049b110e7e51af9c28ee8fd5c7d18682b.tar.bz2 | |
2000-11-07 H.J. Lu <hjl@gnu.org>
* doc/as.texinfo (.symver): Updated for versioned symbol
reference.
* obj.h (format_ops): Add the frob_file_before_adjust field.
* config/obj-aout.c (aout_format_ops): Set the
frob_file_before_adjust field to 0.
* config/obj-coff.c (coff_format_ops): Likewise.
* config/obj-ecoff.c (ecoff_format_ops): Likewise.
* config/obj-elf.c (obj_elf_symver): Allow duplicated version
name.
(elf_frob_file_before_adjust): New function to remove unneeded
versioned symbols from the symbol table.
(elf_format_ops): Set the frob_file_before_adjust field to
elf_frob_file_before_adjust.
* config/obj-elf.h (obj_frob_file_before_adjust): Defined if
not defined.
* config/obj-multi.h (obj_frob_file_before_adjust): Defined.
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 |