lld/test/ELF/linkerscript/compress-debug-sections-custom.s

   1 # REQUIRES: x86, zlib
   2
   3 ## NOTE GNU ld makes .debug_str and .debug_info SHF_ALLOC due to `. += 10`.
   4 # RUN: echo "SECTIONS { \
   5 # RUN:          .text : { . += 0x10; *(.text) } \
   6 # RUN:          .debug_str 0 : { . += 0x10; *(.debug_str) } \
   7 # RUN:          .debug_info 0 : { . += 0x10; *(.debug_info) } \
   8 # RUN:          }" > %t.script
   9
  10 # RUN: llvm-mc -filetype=obj -triple=x86_64-unknown-linux %s -o %t.o
  11 # RUN: llvm-mc -filetype=obj -triple=x86_64-unknown-linux %S/../Inputs/compress-debug.s -o %t2.o
  12 # RUN: ld.lld %t2.o %t.o -o %t1 --compress-debug-sections=zlib -T %t.script
  13 # RUN: llvm-dwarfdump %t1 -debug-str | FileCheck %s
  14 # These two checks correspond to the patched values of a_sym and a_debug_sym.
  15 # T = 0x54 - address of .text input section for this file (the start address of
  16 #     .text is 0 by default, the size of the preceding .text in the other input
  17 #         file is 0x44, and the linker script adds an additional 0x10).
  18 # S = 0x53 - offset of .debug_info section for this file (the size of
  19 #     the preceding .debug_info from the other input file is 0x43, and the
  20 #         linker script adds an additional 0x10).
  21 # Also note that the .debug_str offsets are also offset by 0x10, as directed by
  22 # the linker script.
  23 # CHECK: 0x00000010: "T"
  24 # CHECK: 0x00000014: "S"
  25
  26 .text
  27 a_sym:
  28 nop
  29
  30 .section .debug_str,"MS",@progbits,1
  31 .long a_sym
  32 .long a_debug_sym
  33
  34 .section .debug_info,"",@progbits
  35 a_debug_sym:
  36 .long 0x88776655