segments.s
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# REQUIRES: x86
# RUN: llvm-mc -filetype=obj -triple=x86_64-apple-darwin %s -o %t.o
# RUN: lld -flavor darwinnew -o %t %t.o
# RUN: llvm-readobj --macho-segment %t | FileCheck %s
## These two segments must always be present at the start of an executable.
# CHECK-NOT: Segment {
# CHECK: Segment {
# CHECK: Cmd: LC_SEGMENT_64
# CHECK: Name: __PAGEZERO
# CHECK: Size: 72
# CHECK: vmaddr: 0x0
# CHECK: vmsize: 0x100000000
# CHECK: fileoff: 0
# CHECK: filesize: 0
## The kernel won't execute a binary with the wrong protections for __PAGEZERO.
# CHECK: maxprot: ---
# CHECK: initprot: ---
# CHECK: nsects: 0
# CHECK: flags: 0x0
# CHECK: }
# CHECK: Segment {
# CHECK: Cmd: LC_SEGMENT_64
# CHECK: Name: __TEXT
# CHECK: Size: 152
# CHECK: vmaddr: 0x100000000
# CHECK: vmsize:
## dyld3 assumes that the __TEXT segment starts from the file header
# CHECK: fileoff: 0
# CHECK: filesize:
# CHECK: maxprot: rwx
# CHECK: initprot: r-x
# CHECK: nsects: 1
# CHECK: flags: 0x0
# CHECK: }
## Check that we handle max-length names correctly.
# CHECK: Cmd: LC_SEGMENT_64
# CHECK-NEXT: Name: maxlen_16ch_name
## This segment must always be present at the end of an executable.
# CHECK: Name: __LINKEDIT
# CHECK: maxprot: rwx
# CHECK: initprot: r--
# CHECK-NOT: Cmd: LC_SEGMENT_64
.text
.global _main
_main:
mov $0, %rax
ret
.section maxlen_16ch_name,foo