lld/test/ELF/arm-bl-v4.s

   1 // REQUIRES: arm
   2 // RUN: rm -rf %t && split-file %s %t
   3 // RUN: llvm-mc -arm-add-build-attributes -filetype=obj -triple=armv4-none-linux-gnueabi %t/a.s -o %t/a.o
   4 // RUN: ld.lld %t/a.o --script %t/far.lds -o %t/a-far
   5 // RUN: llvm-objdump --no-print-imm-hex -d --no-show-raw-insn --triple=armv4-none-linux-gnueabi %t/a-far | FileCheck %s --check-prefixes=FAR
   6 // RUN: ld.lld %t/a.o --script %t/near.lds -o %t/a-near
   7 // RUN: llvm-objdump --no-print-imm-hex -d --no-show-raw-insn --triple=armv4-none-linux-gnueabi %t/a-near | FileCheck %s --check-prefixes=NEAR
   8 // RUN: ld.lld %t/a.o -pie --script %t/far.lds -o %t/a-far-pie
   9 // RUN: llvm-objdump --no-print-imm-hex -d --no-show-raw-insn --triple=armv4-none-linux-gnueabi %t/a-far-pie | FileCheck %s --check-prefixes=FAR-PIE
  10 // RUN: ld.lld %t/a.o -pie --script %t/near.lds -o %t/a-near-pie
  11 // RUN: llvm-objdump --no-print-imm-hex -d --no-show-raw-insn --triple=armv4-none-linux-gnueabi %t/a-near-pie | FileCheck %s --check-prefixes=NEAR
  12
  13 // RUN: llvm-mc -arm-add-build-attributes -filetype=obj -triple=armv4eb-none-linux-gnueabi %t/a.s -o %t/a.o
  14 // RUN: ld.lld %t/a.o --script %t/far.lds -o %t/a-far
  15 // RUN: llvm-objdump --no-print-imm-hex -d --no-show-raw-insn --triple=armv4eb-none-linux-gnueabi %t/a-far | FileCheck %s --check-prefixes=FAR-EB
  16 // RUN: ld.lld %t/a.o --script %t/near.lds -o %t/a-near
  17 // RUN: llvm-objdump --no-print-imm-hex -d --no-show-raw-insn --triple=armv4eb-none-linux-gnueabi %t/a-near | FileCheck %s --check-prefixes=NEAR
  18 // RUN: ld.lld %t/a.o -pie --script %t/far.lds -o %t/a-far-pie
  19 // RUN: llvm-objdump --no-print-imm-hex -d --no-show-raw-insn --triple=armv4eb-none-linux-gnueabi %t/a-far-pie | FileCheck %s --check-prefixes=FAR-EB-PIE
  20 // RUN: ld.lld %t/a.o -pie --script %t/near.lds -o %t/a-near-pie
  21 // RUN: llvm-objdump --no-print-imm-hex -d --no-show-raw-insn --triple=armv4eb-none-linux-gnueabi %t/a-near-pie | FileCheck %s --check-prefixes=NEAR
  22
  23 /// On Armv4 there is no blx instruction so long branch/exchange looks slightly
  24 /// different.
  25
  26 //--- a.s
  27  .text
  28  .syntax unified
  29  .cpu    arm7tdmi
  30
  31  .section .low, "ax", %progbits
  32  .arm
  33  .globl _start
  34  .type   _start,%function
  35  .p2align       2
  36 _start:
  37   bl target
  38   mov pc, lr
  39
  40 // FAR-LABEL: <_start>:
  41 // FAR-NEXT:   1000000:         bl      0x1000008 <__ARMv5LongLdrPcThunk_target> @ imm = #0
  42 // FAR-NEXT:                    mov pc, lr
  43 // FAR-EMPTY:
  44 // FAR-NEXT:  <__ARMv5LongLdrPcThunk_target>:
  45 // FAR-NEXT:   1000008:         ldr     pc, [pc, #-4]           @ 0x100000c <__ARMv5LongLdrPcThunk_target+0x4>
  46 // FAR-NEXT:   100000c: 00 00 00 06     .word   0x06000000
  47
  48 // FAR-EB-LABEL: <_start>:
  49 // FAR-EB-NEXT:   1000000:              bl      0x1000008 <__ARMv5LongLdrPcThunk_target> @ imm = #0
  50 // FAR-EB-NEXT:                 mov pc, lr
  51 // FAR-EB-EMPTY:
  52 // FAR-EB-NEXT:  <__ARMv5LongLdrPcThunk_target>:
  53 // FAR-EB-NEXT:   1000008:              ldr     pc, [pc, #-4]           @ 0x100000c <__ARMv5LongLdrPcThunk_target+0x4>
  54 // FAR-EB-NEXT:   100000c: 06 00 00 00          .word   0x06000000
  55
  56 // FAR-PIE-LABEL: <_start>:
  57 // FAR-PIE-NEXT:   1000000:             bl      0x1000008 <__ARMv4PILongThunk_target> @ imm = #0
  58 // FAR-PIE-NEXT:                        mov pc, lr
  59 // FAR-PIE-EMPTY:
  60 // FAR-PIE-NEXT:  <__ARMv4PILongThunk_target>:
  61 // FAR-PIE-NEXT:   1000008:             ldr     r12, [pc]               @ 0x1000010 <__ARMv4PILongThunk_target+0x8>
  62 // FAR-PIE-NEXT:                        add     pc, pc, r12
  63 // FAR-PIE-NEXT:   1000010: ec ff ff 04         .word   0x04ffffec
  64
  65 // FAR-EB-PIE-LABEL: <_start>:
  66 // FAR-EB-PIE-NEXT:   1000000:          bl      0x1000008 <__ARMv4PILongThunk_target> @ imm = #0
  67 // FAR-EB-PIE-NEXT:                     mov pc, lr
  68 // FAR-EB-PIE-EMPTY:
  69 // FAR-EB-PIE-NEXT:  <__ARMv4PILongThunk_target>:
  70 // FAR-EB-PIE-NEXT:   1000008:          ldr     r12, [pc]               @ 0x1000010 <__ARMv4PILongThunk_target+0x8>
  71 // FAR-EB-PIE-NEXT:                     add     pc, pc, r12
  72 // FAR-EB-PIE-NEXT:   1000010: 04 ff ff ec      .word   0x04ffffec
  73
  74 // NEAR-LABEL: <_start>:
  75 // NEAR-NEXT:  1000000:         bl 0x1000008 <target> @ imm = #0
  76 // NEAR-NEXT:                   mov pc, lr
  77
  78 .section .high, "ax", %progbits
  79  .arm
  80  .globl target
  81  .type target,%function
  82 target:
  83   mov pc, lr
  84
  85 // FAR-LABEL: <target>:
  86 // FAR-NEXT:   6000000:         mov pc, lr
  87
  88 // FAR-EB-LABEL: <target>:
  89 // FAR-EB-NEXT:   6000000:              mov pc, lr
  90
  91 // FAR-PIE-LABEL: <target>:
  92 // FAR-PIE-NEXT:   6000000:     mov pc, lr
  93
  94 // FAR-EB-PIE-LABEL: <target>:
  95 // FAR-EB-PIE-NEXT:   6000000:     mov pc, lr
  96
  97 // NEAR-LABEL: <target>:
  98 // NEAR-LABEL:  1000008:        mov pc, lr
  99
 100 //--- far.lds
 101 SECTIONS {
 102   . = SIZEOF_HEADERS;
 103   .low 0x01000000 : { *(.low) }
 104   .high 0x06000000 : { *(.high) }
 105 }
 106
 107 //--- near.lds
 108 SECTIONS {
 109   . = SIZEOF_HEADERS;
 110   .all 0x01000000 : { *(.low) *(.high) }
 111 }