415c0cd698
The new Darwin backend for LLD is now able to link reasonably large real-world programs on x86_64. For instance, we have achieved self-hosting for the X86_64 target, where all LLD tests pass when building lld with itself on macOS. As such, we would like to make it the default back-end. The new port is now named `ld64.lld`, and the old port remains accessible as `ld64.lld.darwinold` This [annoucement email][1] has some context. (But note that, unlike what the email says, we are no longer doing this as part of the LLVM 12 branch cut -- instead we will go into LLVM 13.) Numerous mechanical test changes were required to make this change; in the interest of creating something that's reviewable on Phabricator, I've split out the boring changes into a separate diff (D95905). I plan to merge its contents with those in this diff before landing. (@gkm made the original draft of this diff, and he has agreed to let me take over.) [1]: https://lists.llvm.org/pipermail/llvm-dev/2021-January/147665.html Reviewed By: #lld-macho, thakis Differential Revision: https://reviews.llvm.org/D95204
44 lines
2.4 KiB
YAML
44 lines
2.4 KiB
YAML
# RUN: ld64.lld.darwinold -arch x86_64 -macosx_version_min 10.8 %s -o %t -dylib %p/Inputs/x86_64/libSystem.yaml && llvm-objdump --private-headers %t | FileCheck %s
|
|
# RUN: ld64.lld.darwinold -arch x86_64 -macosx_version_min 10.8 %s -o %t -dylib %p/Inputs/x86_64/libSystem.yaml 2>&1 | FileCheck %s --check-prefix=WARNING
|
|
# RUN: ld64.lld.darwinold -arch x86_64 -macosx_version_min 10.8 %s -o %t -dylib %p/Inputs/x86_64/libSystem.yaml -static -version_load_command && llvm-objdump --private-headers %t | FileCheck %s
|
|
# RUN: ld64.lld.darwinold -arch x86_64 -macosx_version_min 10.8 %s -o %t -dylib %p/Inputs/x86_64/libSystem.yaml -no_version_load_command && llvm-objdump --private-headers %t | FileCheck %s --check-prefix=NO_VERSION_MIN
|
|
# RUN: ld64.lld.darwinold -arch x86_64 -macosx_version_min 10.8 %s -o %t -dylib %p/Inputs/x86_64/libSystem.yaml -static -version_load_command -no_version_load_command && llvm-objdump --private-headers %t | FileCheck %s --check-prefix=NO_VERSION_MIN
|
|
# RUN: ld64.lld.darwinold -arch x86_64 -macosx_version_min 10.8 %s -o %t -dylib %p/Inputs/x86_64/libSystem.yaml -static && llvm-objdump --private-headers %t | FileCheck %s --check-prefix=NO_VERSION_MIN
|
|
|
|
# RUN: ld64.lld.darwinold -arch x86_64 -macosx_version_min 10.8 -sdk_version 10.9 %s -o %t -dylib %p/Inputs/x86_64/libSystem.yaml && llvm-objdump --private-headers %t | FileCheck %s --check-prefix=SDK_VERSION
|
|
|
|
--- !mach-o
|
|
arch: x86_64
|
|
file-type: MH_OBJECT
|
|
flags: [ MH_SUBSECTIONS_VIA_SYMBOLS ]
|
|
sections:
|
|
- segment: __TEXT
|
|
section: __text
|
|
type: S_REGULAR
|
|
attributes: [ S_ATTR_PURE_INSTRUCTIONS, S_ATTR_SOME_INSTRUCTIONS ]
|
|
address: 0x0000000000000000
|
|
content: [ 0x00, 0x00, 0x00, 0x00 ]
|
|
global-symbols:
|
|
- name: _main
|
|
type: N_SECT
|
|
scope: [ N_EXT ]
|
|
sect: 1
|
|
value: 0x0000000000000000
|
|
...
|
|
|
|
# CHECK: Load command {{[0-9]*}}
|
|
# CHECK: cmd LC_VERSION_MIN_MACOSX
|
|
# CHECK: cmdsize 16
|
|
# CHECK: version 10.8
|
|
# CHECK: sdk 10.8
|
|
|
|
# SDK_VERSION: Load command {{[0-9]*}}
|
|
# SDK_VERSION: cmd LC_VERSION_MIN_MACOSX
|
|
# SDK_VERSION: cmdsize 16
|
|
# SDK_VERSION: version 10.8
|
|
# SDK_VERSION: sdk 10.9
|
|
|
|
# WARNING: warning: -sdk_version is required when emitting min version load command. Setting sdk version to match provided min version
|
|
|
|
# NO_VERSION_MIN-NOT: LC_VERSION_MIN_MACOSX
|