| # REQUIRES: x86 |
| # RUN: llvm-mc -filetype=obj -triple=x86_64-unknown-linux %s -o %t |
| |
| ## Default run: sections foo and bar exist in output |
| # RUN: ld.lld %t -o %tout |
| # RUN: llvm-objdump -d %tout | FileCheck -check-prefix=DISASM %s |
| |
| ## Check that foo and bar sections are not garbage collected, |
| ## we do not want to reclaim sections if they are referred |
| ## by __start_* and __stop_* symbols. |
| # RUN: ld.lld %t --gc-sections -o %tout |
| # RUN: llvm-objdump -d %tout | FileCheck -check-prefix=DISASM %s |
| |
| # RUN: echo ".global __start_foo; __start_foo:" > %t2.s |
| # RUN: llvm-mc -filetype=obj -triple=x86_64-unknown-linux %t2.s -o %t2.o |
| # RUN: ld.lld -shared %t2.o -o %t2.so |
| # RUN: ld.lld %t --gc-sections -o %tout %t2.so |
| # RUN: llvm-objdump -d %tout | FileCheck -check-prefix=DISASM %s |
| |
| # DISASM: _start: |
| # DISASM-NEXT: 201000: e8 05 00 00 00 callq 5 <__start_foo> |
| # DISASM-NEXT: 201005: e8 02 00 00 00 callq 2 <__stop_bar> |
| # DISASM-NEXT: Disassembly of section foo: |
| # DISASM-NEXT: __start_foo: |
| # DISASM-NEXT: 20100a: 90 nop |
| # DISASM-NEXT: Disassembly of section bar: |
| # DISASM-NEXT: bar: |
| # DISASM-NEXT: 20100b: 90 nop |
| |
| .global _start |
| .text |
| _start: |
| callq __start_foo |
| callq __stop_bar |
| |
| .section foo,"ax" |
| nop |
| |
| .section bar,"ax" |
| nop |
