| # REQUIRES: x86 |
| # RUN: rm -rf %t && split-file %s %t && cd %t |
| # RUN: llvm-mc -filetype=obj -triple=x86_64 a.s -o a.o |
| # RUN: ld.lld a.o --script overlay.lds -o a |
| # RUN: llvm-readelf --symbols a | FileCheck %s |
| |
| CHECK: 0000000000001000 0 NOTYPE GLOBAL DEFAULT 2 __data_start |
| CHECK-NEXT: 0000000000001017 0 NOTYPE GLOBAL DEFAULT 2 __data_end |
| CHECK-NEXT: 0000000000001000 0 NOTYPE GLOBAL DEFAULT 3 __bss_start |
| CHECK-NEXT: 0000000000001008 0 NOTYPE GLOBAL DEFAULT 3 __bss_end |
| CHECK-NEXT: 0000000000001017 0 NOTYPE GLOBAL DEFAULT 3 __end |
| |
| |
| #--- overlay.lds |
| |
| SECTIONS { |
| .text : { *(.text) } |
| OVERLAY 0x1000 : { |
| .data { |
| __data_start = .; |
| *(.data) |
| QUAD(1) |
| LONG(1) |
| SHORT(1) |
| BYTE(1) |
| __data_end = .; |
| } |
| .bss { |
| __bss_start = .; |
| *(.bss) |
| . += 0x4; |
| __bss_end = .; |
| } |
| } |
| __end = .; |
| } |
| |
| #--- a.s |
| |
| .globl __start |
| .text |
| __start: |
| nop |
| |
| .data |
| .space 0x8 |
| |
| .bss |
| .space 0x4 |
