mold: A Modern Linker

Edit Package mold
https://github.com/rui314/mold

mold is a faster drop-in replacement for existing Unix linkers.
It is several times faster than LLVM lld linker, the second-fastest
open-source linker which I originally created a few years ago.
mold is created for increasing developer productivity by reducing
build time especially in rapid debug-edit-rebuild cycles.

Here is a performance comparison of GNU gold, LLVM lld, and mold for
linking final debuginfo-enabled executables of major large programs
on a simulated 8-core 16-threads machine.

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Source Files
Filename Size Changed
_constraints 0000000128 128 Bytes
build-blake-3-as-static.patch 0000000384 384 Bytes
mold-2.31.0.tar.gz 0010031469 9.57 MB
mold.changes 0000046195 45.1 KB
mold.spec 0000003068 3 KB
Latest Revision
Ana Guerrero's avatar Ana Guerrero (anag+factory) accepted request 1171501 from Martin Liška's avatar Martin Liška (martinliska) (revision 42)
- Update to version 2.31.0
  * mold is now up to 10% faster when linking very large, debug info-enabled
    executables such as Blender (~1.8 GiB) or Clang (~3.8 GiB), thanks to several
    improvements we've made to the string merging algorithm. (53ebcd8, d714301,
    40f6b17, c9faf3d)
  * -z start-stop-visibility=hidden is now supported so that linker-synthesized
    __start_<section-name> and __stop_<section-name> symbols can be completely
    hidden from other ELF modules. Previously, only -z
    start-stop-visibility=protected was supported. (99a5b15)
  * -Bsymbolic-non-weak and -Bsymbolic-non-weak-functions options are now supported
    for compatibility with LLVM lld. Just like lld, these options control which
    symbols are exported as dynamic symbols. -Bsymbolic-non-weak makes the linker to
    export only weak symbols, whereas -Bsymbolic-non-weak-functions makes it to
    export only weak function symbols. (7d17aa8)
  * Previously, if a linker script contains a newline character in the beginning
    four bytes of a file, it was not recognized as a linker script by mold. Now,
    mold allows newlines at the beginning of a file. (ea054cc)
  * Under rare circumstances, the INPUT linker script command may have found a
    different file than GNU ld would. Now, mold's behavior aligns with GNU ld's.
    (163975d)
  * Previously, the --repro option produced corrupted tar files. Now the bug has
    been fixed. (32c4a09)
  * mold generally guarantees that its output is reproducible, meaning that if you
    run the linker with the exact same command line options and input files, the
    output is guaranteed to be bit-for-bit identical to the previous outputs.
    However, under rare circumstances, it might produce different output due to a
    bug. It's reported that this nondeterminism caused random crashes for some
    programs (#1247). This bug has been fixed. (6463a7c)
  * mold no longer sets the address of the .text section as the entry point address
    if --entry option is not given, just like LLVM lld. (020b1a7)
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