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Have one version of libSystem for each arch. NFC. An upcoming commit will change how we choose to reference a dylib. Currently dylibs are only given an LC_LOAD_DYLIB in the final image if an atom is used. This is different from ld64 which adds the load command when the dylib is referenced on the cmdline. In order to change this behaviour, we need libSystem.yaml to actually contain a mach header so that it is parsed as a dylib, instead of currently being parsed as a normalised file. To get a mach header, we also require an arch, so now we have one libsystem per arch and all the tests have been updated to choose the correct one. llvm-svn: 278372
2016-08-12 02:08:59 +08:00
# RUN: not lld -flavor darwin -arch x86_64 -macosx_version_min 10.9 -flat_namespace -undefined error %s -o %t %p/Inputs/x86_64/libSystem.yaml 2>&1 | FileCheck %s
[lld][MachO] Initial implementation of -flat_namespace and -undefined. This is a basic initial implementation of the -flat_namespace and -undefined options for LLD-darwin. It ignores several subtlties, but the result is close enough that we can now link LLVM (but not clang) on Darwin and pass all regression tests. llvm-svn: 248732
2015-09-29 04:25:14 +08:00
--- !native
defined-atoms:
- name: _main
scope: global
content: [ E9, 00, 00, 00, 00 ]
alignment: 16
references:
- kind: branch32
offset: 1
target: _bar
undefined-atoms:
- name: _bar
# Make sure we error out for -flat_namespace -undefined error.
# CHECK: Undefined symbol: : _bar