lld/test/ELF/arm-bx-v4t.s

   1 // REQUIRES: arm
   2 // RUN: rm -rf %t && split-file %s %t
   3 // RUN: llvm-mc -arm-add-build-attributes -filetype=obj -triple=armv4t-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=armv4t-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=armv4t-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=armv4t-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=armv4t-none-linux-gnueabi %t/a-near-pie | FileCheck %s --check-prefixes=NEAR-PIE
  12
  13 // RUN: llvm-mc -arm-add-build-attributes -filetype=obj -triple=armv4teb-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=armv4teb-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=armv4teb-none-linux-gnueabi %t/a-near | FileCheck %s --check-prefixes=NEAR-EB
  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=armv4teb-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=armv4teb-none-linux-gnueabi %t/a-near-pie | FileCheck %s --check-prefixes=NEAR-EB-PIE
  22
  23 /// On Arm v4t there is no blx instruction so all interworking must go via
  24 /// a thunk.
  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   bx lr
  39
  40 // FAR-LABEL: <_start>:
  41 // FAR-NEXT:   1000000:       bl      0x1000008 <__ARMv4ABSLongBXThunk_target> @ imm = #0
  42 // FAR-NEXT:                  bx      lr
  43 // FAR-EMPTY:
  44 // FAR-NEXT:  <__ARMv4ABSLongBXThunk_target>:
  45 // FAR-NEXT:   1000008:       ldr     r12, [pc]               @ 0x1000010 <__ARMv4ABSLongBXThunk_target+0x8>
  46 // FAR-NEXT:                  bx      r12
  47 // FAR-NEXT:   1000010: 01 00 00 06   .word   0x06000001
  48
  49 // FAR-EB-LABEL: <_start>:
  50 // FAR-EB-NEXT:   1000000:       bl      0x1000008 <__ARMv4ABSLongBXThunk_target> @ imm = #0
  51 // FAR-EB-NEXT:                  bx      lr
  52 // FAR-EB-EMPTY:
  53 // FAR-EB-NEXT:  <__ARMv4ABSLongBXThunk_target>:
  54 // FAR-EB-NEXT:   1000008:       ldr     r12, [pc]               @ 0x1000010 <__ARMv4ABSLongBXThunk_target+0x8>
  55 // FAR-EB-NEXT:                  bx      r12
  56 // FAR-EB-NEXT:   1000010: 06 00 00 01   .word   0x06000001
  57
  58 // NEAR-LABEL: <_start>:
  59 // NEAR-NEXT:   1000000:       bl      0x1000008 <__ARMv4ABSLongBXThunk_target> @ imm = #0
  60 // NEAR-NEXT:                  bx      lr
  61 // NEAR-EMPTY:
  62 // NEAR-NEXT:  <__ARMv4ABSLongBXThunk_target>:
  63 // NEAR-NEXT:   1000008:       ldr     r12, [pc]               @ 0x1000010 <__ARMv4ABSLongBXThunk_target+0x8>
  64 // NEAR-NEXT:                  bx      r12
  65 // NEAR-NEXT:  1000010: 15 00 00 01   .word   0x01000015
  66
  67 // NEAR-EB-LABEL: <_start>:
  68 // NEAR-EB-NEXT:   1000000:       bl      0x1000008 <__ARMv4ABSLongBXThunk_target> @ imm = #0
  69 // NEAR-EB-NEXT:                  bx      lr
  70 // NEAR-EB-EMPTY:
  71 // NEAR-EB-NEXT:  <__ARMv4ABSLongBXThunk_target>:
  72 // NEAR-EB-NEXT:   1000008:       ldr     r12, [pc]               @ 0x1000010 <__ARMv4ABSLongBXThunk_target+0x8>
  73 // NEAR-EB-NEXT:                  bx      r12
  74 // NEAR-EB-NEXT:  1000010: 01 00 00 15   .word   0x01000015
  75
  76 // FAR-PIE-LABEL: <_start>:
  77 // FAR-PIE-NEXT:   1000000:     bl      0x1000008 <__ARMv4PILongBXThunk_target> @ imm = #0
  78 // FAR-PIE-NEXT:                bx      lr
  79 // FAR-PIE-EMPTY:
  80 // FAR-PIE-NEXT:  <__ARMv4PILongBXThunk_target>:
  81 // FAR-PIE-NEXT:   1000008:     ldr     r12, [pc, #4]           @ 0x1000014 <__ARMv4PILongBXThunk_target+0xc>
  82 // FAR-PIE-NEXT:                add     r12, pc, r12
  83 // FAR-PIE-NEXT:                bx      r12
  84 // FAR-PIE-NEXT:   1000014: ed ff ff 04         .word   0x04ffffed
  85
  86 // FAR-EB-PIE-LABEL: <_start>:
  87 // FAR-EB-PIE-NEXT:   1000000:          bl      0x1000008 <__ARMv4PILongBXThunk_target> @ imm = #0
  88 // FAR-EB-PIE-NEXT:                     bx      lr
  89 // FAR-EB-PIE-EMPTY:
  90 // FAR-EB-PIE-NEXT:  <__ARMv4PILongBXThunk_target>:
  91 // FAR-EB-PIE-NEXT:   1000008:     ldr  r12, [pc, #4]           @ 0x1000014 <__ARMv4PILongBXThunk_target+0xc>
  92 // FAR-EB-PIE-NEXT:                add  r12, pc, r12
  93 // FAR-EB-PIE-NEXT:                bx   r12
  94 // FAR-EB-PIE-NEXT:   1000014: 04 ff ff ed      .word   0x04ffffed
  95
  96 // NEAR-PIE-LABEL: <_start>:
  97 // NEAR-PIE-NEXT:   1000000:    bl      0x1000008 <__ARMv4PILongBXThunk_target> @ imm = #0
  98 // NEAR-PIE-NEXT:               bx      lr
  99 // NEAR-PIE-EMPTY:
 100 // NEAR-PIE-NEXT:  <__ARMv4PILongBXThunk_target>:
 101 // NEAR-PIE-NEXT:   1000008:    ldr     r12, [pc, #4]           @ 0x1000014 <__ARMv4PILongBXThunk_target+0xc>
 102 // NEAR-PIE-NEXT:               add     r12, pc, r12
 103 // NEAR-PIE-NEXT:               bx      r12
 104 // NEAR-PIE-NEXT:   1000014: 05 00 00 00        .word   0x00000005
 105
 106 // NEAR-EB-PIE-LABEL: <_start>:
 107 // NEAR-EB-PIE-NEXT:   1000000:    bl   0x1000008 <__ARMv4PILongBXThunk_target> @ imm = #0
 108 // NEAR-EB-PIE-NEXT:               bx   lr
 109 // NEAR-EB-PIE-EMPTY:
 110 // NEAR-EB-PIE-NEXT:  <__ARMv4PILongBXThunk_target>:
 111 // NEAR-EB-PIE-NEXT:   1000008:    ldr  r12, [pc, #4]           @ 0x1000014 <__ARMv4PILongBXThunk_target+0xc>
 112 // NEAR-EB-PIE-NEXT:               add  r12, pc, r12
 113 // NEAR-EB-PIE-NEXT:               bx   r12
 114 // NEAR-EB-PIE-NEXT:   1000014: 00 00 00 05     .word   0x00000005
 115
 116 .section .high, "ax", %progbits
 117 .thumb
 118  .globl target
 119  .type target,%function
 120 target:
 121   bl _start
 122   bx lr
 123
 124 // FAR-LABEL: <target>:
 125 // FAR-NEXT:   6000000:       bl      0x6000008 <__Thumbv4ABSLongBXThunk__start> @ imm = #4
 126 // FAR-NEXT:                  bx      lr
 127 // FAR-NEXT:                  bmi     0x5ffffb2 <__ARMv4ABSLongBXThunk_target+0x4ffffaa> @ imm = #-88
 128 // FAR-EMPTY:
 129 // FAR-NEXT:  <__Thumbv4ABSLongBXThunk__start>:
 130 // FAR-NEXT:   6000008:       bx      pc
 131 // FAR-NEXT:                  b       0x6000008 <__Thumbv4ABSLongBXThunk__start> @ imm = #-6
 132 // FAR-NEXT:   600000c:       ldr     pc, [pc, #-4]           @ 0x6000010 <__Thumbv4ABSLongBXThunk__start+0x8>
 133 // FAR-NEXT:  6000010: 00 00 00 01   .word   0x01000000
 134
 135 // FAR-EB-LABEL: <target>:
 136 // FAR-EB-NEXT:   6000000:       bl      0x6000008 <__Thumbv4ABSLongBXThunk__start> @ imm = #4
 137 // FAR-EB-NEXT:                  bx      lr
 138 // FAR-EB-NEXT:                  bmi     0x5ffffb2 <__ARMv4ABSLongBXThunk_target+0x4ffffaa> @ imm = #-88
 139 // FAR-EB-EMPTY:
 140 // FAR-EB-NEXT:  <__Thumbv4ABSLongBXThunk__start>:
 141 // FAR-EB-NEXT:   6000008:       bx      pc
 142 // FAR-EB-NEXT:                  b       0x6000008 <__Thumbv4ABSLongBXThunk__start> @ imm = #-6
 143 // FAR-EB-NEXT:   600000c:       ldr     pc, [pc, #-4]           @ 0x6000010 <__Thumbv4ABSLongBXThunk__start+0x8>
 144 // FAR-EB-NEXT:  6000010: 01 00 00 00   .word   0x01000000
 145
 146 // NEAR-LABEL: <target>:
 147 // NEAR-NEXT:   1000014:       bl      0x100001c <__Thumbv4ABSLongBXThunk__start> @ imm = #4
 148 // NEAR-NEXT:                  bx      lr
 149 // NEAR-NEXT:                  bmi     0xffffc6                @ imm = #-88
 150 // NEAR-EMPTY:
 151 // NEAR-NEXT:  <__Thumbv4ABSLongBXThunk__start>:
 152 // NEAR-NEXT:   100001c:       bx      pc
 153 // NEAR-NEXT:                  b       0x100001c <__Thumbv4ABSLongBXThunk__start> @ imm = #-6
 154 // NEAR-NEXT:   1000020:       ldr     pc, [pc, #-4]           @ 0x1000024 <__Thumbv4ABSLongBXThunk__start+0x8>
 155 // NEAR-NEXT:   1000024: 00 00 00 01   .word   0x01000000
 156
 157 // NEAR-EB-LABEL: <target>:
 158 // NEAR-EB-NEXT:   1000014:       bl      0x100001c <__Thumbv4ABSLongBXThunk__start> @ imm = #4
 159 // NEAR-EB-NEXT:                  bx      lr
 160 // NEAR-EB-NEXT:                  bmi     0xffffc6                @ imm = #-88
 161 // NEAR-EB-EMPTY:
 162 // NEAR-EB-NEXT:  <__Thumbv4ABSLongBXThunk__start>:
 163 // NEAR-EB-NEXT:   100001c:       bx      pc
 164 // NEAR-EB-NEXT:                  b       0x100001c <__Thumbv4ABSLongBXThunk__start> @ imm = #-6
 165 // NEAR-EB-NEXT:   1000020:       ldr     pc, [pc, #-4]           @ 0x1000024 <__Thumbv4ABSLongBXThunk__start+0x8>
 166 // NEAR-EB-NEXT:   1000024: 01 00 00 00   .word   0x01000000
 167
 168 // FAR-PIE-LABEL: <target>:
 169 // FAR-PIE-NEXT:   6000000:             bl      0x6000008 <__Thumbv4PILongBXThunk__start> @ imm = #4
 170 // FAR-PIE-NEXT:                        bx  lr
 171 // FAR-PIE-NEXT:                        bmi 0x5ffffb2 <__ARMv4PILongBXThunk_target+0x4ffffaa> @ imm = #-88
 172 // FAR-PIE-EMPTY:
 173 // FAR-PIE-NEXT:  <__Thumbv4PILongBXThunk__start>:
 174 // FAR-PIE-NEXT:   6000008:             bx      pc
 175 // FAR-PIE-NEXT:                        b       0x6000008 <__Thumbv4PILongBXThunk__start> @ imm = #-6
 176 // FAR-PIE-NEXT:   600000c:             ldr     r12, [pc]               @ 0x6000014 <__Thumbv4PILongBXThunk__start+0xc>
 177 // FAR-PIE-NEXT:                        add     pc, r12, pc
 178 // FAR-PIE-NEXT:   6000014: e8 ff ff fa         .word   0xfaffffe8
 179
 180 // FAR-EB-PIE-LABEL: <target>:
 181 // FAR-EB-PIE-NEXT:   6000000:          bl      0x6000008 <__Thumbv4PILongBXThunk__start> @ imm = #4
 182 // FAR-EB-PIE-NEXT:                     bx  lr
 183 // FAR-EB-PIE-NEXT:                     bmi 0x5ffffb2 <__ARMv4PILongBXThunk_target+0x4ffffaa> @ imm = #-88
 184 // FAR-EB-PIE-EMPTY:
 185 // FAR-EB-PIE-NEXT:  <__Thumbv4PILongBXThunk__start>:
 186 // FAR-EB-PIE-NEXT:   6000008:          bx      pc
 187 // FAR-EB-PIE-NEXT:                     b       0x6000008 <__Thumbv4PILongBXThunk__start> @ imm = #-6
 188 // FAR-EB-PIE-NEXT:   600000c:          ldr     r12, [pc]               @ 0x6000014 <__Thumbv4PILongBXThunk__start+0xc>
 189 // FAR-EB-PIE-NEXT:                     add     pc, r12, pc
 190 // FAR-EB-PIE-NEXT:   6000014: fa ff ff e8      .word   0xfaffffe8
 191
 192 // NEAR-PIE-LABEL: <target>:
 193 // NEAR-PIE-NEXT:   1000018:            bl      0x1000020 <__Thumbv4PILongBXThunk__start> @ imm = #4
 194 // NEAR-PIE-NEXT:                       bx      lr
 195 // NEAR-PIE-NEXT:                       bmi     0xffffca                @ imm = #-88
 196 // NEAR-PIE-EMPTY:
 197 // NEAR-PIE-NEXT:  <__Thumbv4PILongBXThunk__start>:
 198 // NEAR-PIE-NEXT:   1000020:            bx      pc
 199 // NEAR-PIE-NEXT:                       b       0x1000020 <__Thumbv4PILongBXThunk__start> @ imm = #-6
 200 // NEAR-PIE-NEXT:   1000024:            ldr     r12, [pc]               @ 0x100002c <__Thumbv4PILongBXThunk__start+0xc>
 201 // NEAR-PIE-NEXT:                       add     pc, r12, pc
 202 // NEAR-PIE-NEXT:   100002c: d0 ff ff ff        .word   0xffffffd0
 203
 204 // NEAR-EB-PIE-LABEL: <target>:
 205 // NEAR-EB-PIE-NEXT:   1000018:         bl      0x1000020 <__Thumbv4PILongBXThunk__start> @ imm = #4
 206 // NEAR-EB-PIE-NEXT:                    bx      lr
 207 // NEAR-EB-PIE-NEXT:                    bmi     0xffffca                @ imm = #-88
 208 // NEAR-EB-PIE-EMPTY:
 209 // NEAR-EB-PIE-NEXT:  <__Thumbv4PILongBXThunk__start>:
 210 // NEAR-EB-PIE-NEXT:   1000020:         bx      pc
 211 // NEAR-EB-PIE-NEXT:                    b       0x1000020 <__Thumbv4PILongBXThunk__start> @ imm = #-6
 212 // NEAR-EB-PIE-NEXT:   1000024:         ldr     r12, [pc]               @ 0x100002c <__Thumbv4PILongBXThunk__start+0xc>
 213 // NEAR-EB-PIE-NEXT:                    add     pc, r12, pc
 214 // NEAR-EB-PIE-NEXT:   100002c: ff ff ff d0     .word   0xffffffd0
 215
 216 #--- far.lds
 217 SECTIONS {
 218   . = SIZEOF_HEADERS;
 219   .low 0x01000000 : { *(.low) }
 220   .high 0x06000000 : { *(.high) }
 221 }
 222
 223 #--- near.lds
 224 SECTIONS {
 225   . = SIZEOF_HEADERS;
 226   .all 0x01000000 : { *(.low) *(.high) }
 227 }