lld/test/ELF/linkerscript/region-alias.s

   1 # REQUIRES: x86
   2 # RUN: llvm-mc -filetype=obj -triple=x86_64-unknown-linux %s -o %t
   3 # RUN: echo "MEMORY {                                  \
   4 # RUN:   ROM (rwx): ORIGIN = 0x1000, LENGTH = 0x100    \
   5 # RUN:   RAM (rwx): ORIGIN = 0x2000, LENGTH = 0x100    \
   6 # RUN: }                                               \
   7 # RUN: INCLUDE \"%t.script.inc\"                       \
   8 # RUN: SECTIONS {                                      \
   9 # RUN:  .text : { *(.text*) } > ALIAS_TEXT             \
  10 # RUN:  .data : { *(.data*) } > ALIAS_DATA             \
  11 # RUN: }" > %t.script
  12
  13 ## .text to ROM, .data to RAM.
  14 # RUN: echo "REGION_ALIAS (\"ALIAS_TEXT\", ROM);" > %t.script.inc
  15 # RUN: echo "REGION_ALIAS (\"ALIAS_DATA\", RAM);" >> %t.script.inc
  16 # RUN: ld.lld %t --script %t.script -o %t2
  17 # RUN: llvm-objdump --section-headers %t2 | FileCheck %s
  18 # CHECK: .text       00000001 0000000000001000 TEXT
  19 # CHECK: .data       00000008 0000000000002000 DATA
  20
  21 ## All to ROM.
  22 # RUN: echo "REGION_ALIAS (\"ALIAS_TEXT\", ROM);" > %t.script.inc
  23 # RUN: echo "REGION_ALIAS (\"ALIAS_DATA\", ROM);" >> %t.script.inc
  24 # RUN: ld.lld %t --script %t.script -o %t2
  25 # RUN: llvm-objdump --section-headers %t2 | FileCheck %s --check-prefix=RAM
  26 # RAM: .text         00000001 0000000000001000 TEXT
  27 # RAM: .data         00000008 0000000000001001 DATA
  28
  29 ## Redefinition of region.
  30 # RUN: echo "REGION_ALIAS (\"ROM\", ROM);" > %t.script.inc
  31 # RUN: not ld.lld %t --script %t.script -o /dev/null 2>&1 | \
  32 # RUN:   FileCheck %s --check-prefix=ERR1
  33 # ERR1: {{.*}}script.inc:1: redefinition of memory region 'ROM'
  34
  35 ## Redefinition of alias.
  36 # RUN: echo "REGION_ALIAS (\"ALIAS_TEXT\", ROM);" > %t.script.inc
  37 # RUN: echo "REGION_ALIAS (\"ALIAS_TEXT\", ROM);" >> %t.script.inc
  38 # RUN: not ld.lld %t --script %t.script -o /dev/null 2>&1 | \
  39 # RUN:   FileCheck %s --check-prefix=ERR2
  40 # ERR2: {{.*}}script.inc:2: redefinition of memory region 'ALIAS_TEXT'
  41
  42 ## Attemp to create an alias for undefined region.
  43 # RUN: echo "REGION_ALIAS (\"ALIAS_TEXT\", FOO);" > %t.script.inc
  44 # RUN: not ld.lld %t --script %t.script -o /dev/null 2>&1 | \
  45 # RUN:   FileCheck %s --check-prefix=ERR3
  46 # ERR3: {{.*}}script.inc:1: memory region 'FOO' is not defined
  47
  48 .text
  49 .global _start
  50 _start:
  51  nop
  52
  53 .section .data,"aw"
  54 .quad 0