llvm/test/ExecutionEngine/RuntimeDyld/ARM/COFF_Thumb.s

   1 # RUN: rm -rf %t && mkdir -p %t
   2 # RUN: llvm-mc -triple thumbv7-windows-itanium -filetype obj -o %t/COFF_Thumb.o %s
   3 # RUN: llvm-rtdyld -triple thumbv7-windows \
   4 # RUN:   -dummy-extern ExitProcess=0x54769891 \
   5 # RUN:   -dummy-extern unnamed_addr=0x00001024 -verify -check %s %t/COFF_Thumb.o
   6
   7         .text
   8         .syntax unified
   9
  10         .def unnamed_addr
  11                 .scl 2
  12                 .type 32
  13         .endef
  14         .global unnamed_addr
  15
  16         .def branch24t
  17                 .scl 2
  18                 .type 32
  19         .endef
  20         .global branch24t
  21         .p2align 1
  22         .code 16
  23         .thumb_func
  24 branch24t:
  25 @ rel1:
  26 #       b unnamed_addr                                  @ IMAGE_REL_ARM_BRANCH24T
  27
  28         .def function
  29                 .scl 2
  30                 .type 32
  31         .endef
  32         .globl function
  33         .p2align 1
  34         .code 16
  35         .thumb_func
  36 function:
  37         push.w {r11, lr}
  38         mov r11, sp
  39 rel3:                                                   @ IMAGE_REL_ARM_MOV32T
  40         movw r0, :lower16:string
  41 # rtdyld-check: decode_operand(rel3, 1) = (string&0x0000ffff)
  42         movt r0, :upper16:string
  43 # TODO rtdyld-check: decode_operand(rel3, 1) = (string&0xffff0000>>16)
  44         blx r1
  45 load_from_dllimport_lo:                                                 @ IMAGE_REL_ARM_MOV32T
  46         movw r0, :lower16:__imp_ExitProcess
  47 # (1) Check stub content.
  48 # rtdyld-check: *{4}(stub_addr(COFF_Thumb.o/.text, __imp_ExitProcess)) = \
  49 # rtdyld-check:   ExitProcess
  50 #
  51 # (2) Check lo bits of stub address.
  52 # rtdyld-check: decode_operand(load_from_dllimport_lo, 1) = \
  53 # rtdyld-check:   stub_addr(COFF_Thumb.o/.text, __imp_ExitProcess)[15:0]
  54 load_from_dllimport_hi:
  55         movt r0, :upper16:__imp_ExitProcess
  56 # (3) Check hi bits of stub address.
  57 # rtdyld-check: decode_operand(load_from_dllimport_hi, 2) = \
  58 # rtdyld-check:   stub_addr(COFF_Thumb.o/.text, __imp_ExitProcess)[31:16]
  59         ldr r1, [r0]
  60         movs r0, #0
  61         pop.w {r11, lr}
  62         bx r1
  63
  64         .def main
  65                 .scl 2
  66                 .type 32
  67         .endef
  68         .globl main
  69         .p2align 1
  70         .code 16
  71         .thumb_func
  72 main:
  73         push.w {r11, lr}
  74         mov r11, sp
  75 rel5:
  76 #       bl function                                     @ IMAGE_REL_ARM_BLX23T
  77         movs r0, #0
  78         pop.w {r11, pc}
  79
  80         .section .rdata,"dr"
  81         .global string
  82 string:
  83         .asciz "Hello World\n"
  84
  85         .data
  86
  87         .global relocations
  88 relocations:
  89 @ rel8:
  90         .long function(imgrel)                          @ IMAGE_REL_ARM_ADDR32NB
  91 # rtdyld-check: *{4}relocations = function - section_addr(COFF_Thumb.o, .text)
  92 rel9:
  93         .secidx __imp_ExitProcess               @ IMAGE_REL_ARM_SECTION
  94 # rtdyld-check: *{2}rel9 = 2
  95 rel10:
  96         .long relocations(secrel32)                     @ IMAGE_REL_ARM_SECREL
  97 # rtdyld-check: *{4}rel10 = relocations - section_addr(COFF_Thumb.o, .data)
  98 rel11:
  99         .secrel32 relocations                           @ IMAGE_REL_ARM_SECREL
 100 # rtdyld-check: *{4}rel11 = relocations - section_addr(COFF_Thumb.o, .data)
 101         bx r0
 102         trap
 103
 104         .text
 105
 106         .p2align 2
 107
 108 branch_to_thumb_func:
 109 @ rel14:                                                @ IMAGE_REL_ARM_MOV32T
 110         movw r0, :lower16:function
 111 # rtdyld-check: decode_operand(branch_to_thumb_func, 1) = (function&0x0000ffff|1)
 112         movt r0, :upper16:function
 113 # TODO rtdyld-check: decode_operand(branch_to_thumb_func, 1) = (function&0xffff0000>>16)
 114         bx r0
 115         trap
 116
 117         .data
 118
 119         .p2align 2
 120 a_data_symbol:
 121         .long 1073741822
 122
 123         .p2align 2
 124
 125         .text
 126
 127 ref_to_data_symbol_addr:
 128 @ rel15:                                                @ IMAGE_REL_ARM_MOV32T
 129         movw r0, :lower16:a_data_symbol
 130 # rtdyld-check: decode_operand(ref_to_data_symbol_addr, 1) = (a_data_symbol&0x0000ffff)
 131         movt r0, :upper16:a_data_symbol
 132 # TODO rtdyld-check: decode_operand(ref_to_data_symbol_addr, 1) = (a_data_symbol&0xffff0000>>16)