llvm/test/ExecutionEngine/RuntimeDyld/X86/COFF_i386.s

   1 // RUN: rm -rf %t && mkdir -p %t
   2 // RUN: llvm-mc -triple i686-windows -filetype obj -o %t/COFF_i386.o %s
   3 // RUN: llvm-rtdyld -triple i686-windows -dummy-extern _printf=0x7ffffffd \
   4 // RUN:   -dummy-extern _ExitProcess=0x7fffffff \
   5 // RUN:   -verify -check=%s %t/COFF_i386.o
   6
   7         .text
   8
   9         .def _main
  10                 .scl 2
  11                 .type 32
  12         .endef
  13         .global _main
  14 _main:
  15 rel1:
  16         call _function                          // IMAGE_REL_I386_REL32
  17 # rtdyld-check: decode_operand(rel1, 0) = (_function-_main-4-1)
  18         xorl %eax, %eax
  19 rel12:
  20         jmp _printf
  21 # rtdyld-check: decode_operand(rel12, 0)[31:0] = (_printf-_main-4-8)
  22
  23         .def _function
  24                 .scl 2
  25                 .type 32
  26         .endef
  27 _function:
  28 rel2:
  29         pushl string
  30 # rtdyld-check: decode_operand(rel3, 3) = \
  31 # rtdyld-check:   stub_addr(COFF_i386.o/.text, __imp__ExitProcess)
  32 # rtdyld-check: *{4}(stub_addr(COFF_i386.o/.text, __imp__ExitProcess)) = \
  33 # rtdyld-check:   _ExitProcess
  34 rel3:
  35         calll *__imp__ExitProcess               // IMAGE_REL_I386_DIR32
  36
  37         .data
  38
  39         .global relocations
  40 relocations:
  41 rel5:
  42         .long _function@imgrel                  // IMAGE_REL_I386_DIR32NB
  43 # rtdyld-check: *{4}rel5 = _function - section_addr(COFF_i386.o, .text)
  44 rel6:
  45 # rtdyld-check: *{2}rel6 = 1
  46         .secidx rel5                            // IMAGE_REL_I386_SECTION
  47 rel7:
  48 # rtdyld-check: *{4}rel7 = string - section_addr(COFF_i386.o, .data)
  49         .secrel32 string                        // IMAGE_REL_I386_SECREL
  50
  51 # Test that addends work.
  52 rel8:
  53 # rtdyld-check: *{4}rel8 = string
  54         .long string                            // IMAGE_REL_I386_DIR32
  55 rel9:
  56 # rtdyld-check: *{4}rel9 = string+1
  57         .long string+1                          // IMAGE_REL_I386_DIR32
  58 rel10:
  59 # rtdyld-check: *{4}rel10 = string - section_addr(COFF_i386.o, .text) + 1
  60         .long string@imgrel+1                   // IMAGE_REL_I386_DIR32NB
  61 rel11:
  62 # rtdyld-check: *{4}rel11 = string - section_addr(COFF_i386.o, .data) + 1
  63         .long string@SECREL32+1                 // IMAGE_REL_I386_SECREL
  64
  65 # We explicitly add padding to put string outside of the 16bit address space
  66 # (absolute and as an offset from .data), so that relocations involving
  67 # 32bit addresses / offsets are not accidentally truncated to 16 bits.
  68         .space 65536
  69         .global string
  70         .align 1
  71 string:
  72         .asciz "Hello World!\n"