| # REQUIRES: x86 |
| # RUN: llvm-mc -filetype=obj -triple=x86_64-apple-darwin %s -o %t.o |
| # RUN: %lld -o %t %t.o |
| # RUN: llvm-readobj --macho-segment %t > %t.out |
| # RUN: echo "Total file size" >> %t.out |
| # RUN: wc -c %t >> %t.out |
| # RUN: FileCheck %s < %t.out |
| |
| ## These two segments must always be present at the start of an executable. |
| # CHECK-NOT: Segment { |
| # CHECK: Segment { |
| # CHECK-NEXT: Cmd: LC_SEGMENT_64 |
| # CHECK-NEXT: Name: __PAGEZERO |
| # CHECK-NEXT: Size: 72 |
| # CHECK-NEXT: vmaddr: 0x0 |
| # CHECK-NEXT: vmsize: 0x100000000 |
| # CHECK-NEXT: fileoff: 0 |
| # CHECK-NEXT: filesize: 0 |
| ## The kernel won't execute a binary with the wrong protections for __PAGEZERO. |
| # CHECK-NEXT: maxprot: --- |
| # CHECK-NEXT: initprot: --- |
| # CHECK-NEXT: nsects: 0 |
| # CHECK-NEXT: flags: 0x0 |
| # CHECK-NEXT: } |
| # CHECK-NEXT: Segment { |
| # CHECK-NEXT: Cmd: LC_SEGMENT_64 |
| # CHECK-NEXT: Name: __TEXT |
| # CHECK-NEXT: Size: 152 |
| # CHECK-NEXT: vmaddr: 0x100000000 |
| # CHECK-NEXT: vmsize: |
| ## dyld3 assumes that the __TEXT segment starts from the file header |
| # CHECK-NEXT: fileoff: 0 |
| # CHECK-NEXT: filesize: |
| # CHECK-NEXT: maxprot: r-x |
| # CHECK-NEXT: initprot: r-x |
| # CHECK-NEXT: nsects: 1 |
| # CHECK-NEXT: flags: 0x0 |
| # CHECK-NEXT: } |
| |
| ## 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, and cover |
| ## its last byte. |
| # CHECK: Name: __LINKEDIT |
| # CHECK-NEXT: Size: |
| # CHECK-NEXT: vmaddr: |
| # CHECK-NEXT: vmsize: |
| # CHECK-NEXT: fileoff: [[#%u, LINKEDIT_OFF:]] |
| # CHECK-NEXT: filesize: [[#%u, LINKEDIT_SIZE:]] |
| # CHECK-NEXT: maxprot: r-- |
| # CHECK-NEXT: initprot: r-- |
| # CHECK-NOT: Cmd: LC_SEGMENT_64 |
| |
| # CHECK-LABEL: Total file size |
| # CHECK-NEXT: [[#%u, LINKEDIT_OFF + LINKEDIT_SIZE]] |
| |
| .text |
| .global _main |
| _main: |
| mov $0, %rax |
| ret |
| |
| .section maxlen_16ch_name,foo |