diff options
Diffstat (limited to 'ld/ld.texinfo')
| -rw-r--r-- | ld/ld.texinfo | 18 |
1 files changed, 16 insertions, 2 deletions
diff --git a/ld/ld.texinfo b/ld/ld.texinfo index b78d1b0..db87e3f 100644 --- a/ld/ld.texinfo +++ b/ld/ld.texinfo @@ -1734,13 +1734,27 @@ If you specify @option{--disable-new-dtags}, no new dynamic tags will be created. By default, the new dynamic tags are not created. Note that those options are only available for ELF systems. +@kindex --hash-size=@var{number} +Set the default size of the linker's hash tables to a prime number +close to @var{number}. Increasing this value can reduce the length of +time it takes the linker to perform its tasks, at the expense of +increasing the linker's memory requirements. Similarly reducing this +value can reduce the memory requirements at the expense of speed. + @kindex --reduce-memory-overheads @item --reduce-memory-overheads This option reduces memory requirements at ld runtime, at the expense of linking speed. This was introduced to to select the old O(n^2) algorithm for link map file generation, rather than the new O(n) algorithm which uses -about 40% more memory for symbol storage. It may be also be used for -similar such tradeoffs in the future. +about 40% more memory for symbol storage. + +Another affect of the switch is to set the default hash table size to +1021, which again saves memory at the cost of lengthening the linker's +run time. This is not done however if the *option{--hash-size} switch +has been used. + +The @option{--reduce-memory-overheads} switch may be also be used to +enable other tradeoffs in future versions of the linker. @end table |