lld/test/ELF/arm-thunk-edgecase.s

   1 // REQUIRES: arm
   2 // RUN: llvm-mc -arm-add-build-attributes -filetype=obj -triple=armv7a-none-linux-gnueabi %s -o %t.o
   3 // RUN: echo "SECTIONS { \
   4 // RUN:           .text_armfunc 0x1000 : { *(.text_armfunc) } \
   5 // RUN:           .text_thumbfunc 0x11010 : { *(.text_thumbfunc) } \
   6 // RUN:       }" > %tarm_to_thumb.script
   7 // RUN: echo "SECTIONS { \
   8 // RUN:           .text_thumbfunc 0x1000 : { *(.text_thumbfunc) } \
   9 // RUN:           .text_armfunc 0x1100c : { *(.text_armfunc) } \
  10 // RUN:       }" > %tthumb_to_arm.script
  11 // RUN: ld.lld -shared -Bsymbolic -script %tarm_to_thumb.script %t.o -o %tarm_to_thumb.so
  12 // RUN: ld.lld -shared -Bsymbolic -script %tthumb_to_arm.script %t.o -o %tthumb_to_arm.so
  13 // RUN: llvm-objdump --no-print-imm-hex --triple=armv7a-none-linux-gnueabi -d %tarm_to_thumb.so | FileCheck --check-prefix=ARM-TO-THUMB %s
  14 // RUN: llvm-objdump --no-print-imm-hex -d %tthumb_to_arm.so | FileCheck --check-prefix=THUMB-TO-ARM %s
  15
  16 // RUN: llvm-mc -arm-add-build-attributes -filetype=obj -triple=armv7aeb-none-linux-gnueabi -mcpu=cortex-a8 %s -o %t.o
  17 // RUN: ld.lld -shared -Bsymbolic -script %tarm_to_thumb.script %t.o -o %tarm_to_thumb.so
  18 // RUN: ld.lld -shared -Bsymbolic -script %tthumb_to_arm.script %t.o -o %tthumb_to_arm.so
  19 // RUN: llvm-objdump --no-print-imm-hex --triple=armv7aeb-none-linux-gnueabi -d %tarm_to_thumb.so | FileCheck --check-prefix=ARM-TO-THUMB %s
  20 // RUN: llvm-objdump --no-print-imm-hex -d %tthumb_to_arm.so | FileCheck --check-prefix=THUMB-TO-ARM %s
  21
  22 // RUN: ld.lld --be8 -shared -Bsymbolic -script %tarm_to_thumb.script %t.o -o %tarm_to_thumb.so
  23 // RUN: ld.lld --be8 -shared -Bsymbolic -script %tthumb_to_arm.script %t.o -o %tthumb_to_arm.so
  24 // RUN: llvm-objdump --no-print-imm-hex --triple=armv7aeb-none-linux-gnueabi -d %tarm_to_thumb.so | FileCheck --check-prefix=ARM-TO-THUMB %s
  25 // RUN: llvm-objdump --no-print-imm-hex -d %tthumb_to_arm.so | FileCheck --check-prefix=THUMB-TO-ARM %s
  26
  27 .syntax unified
  28
  29 .arm
  30 .section .text_armfunc, "ax", %progbits
  31 .globl armfunc
  32 .type armfunc, %function
  33 armfunc:
  34         b       thumbfunc
  35
  36 .thumb
  37 .section .text_thumbfunc, "ax", %progbits
  38 .globl thumbfunc
  39 .thumb_func
  40 thumbfunc:
  41         b.w     armfunc
  42
  43 // ARM-TO-THUMB:      <__ARMV7PILongThunk_thumbfunc>:
  44 // ARM-TO-THUMB-NEXT:     1004:        e30fcffd            movw        r12, #65533
  45 // ARM-TO-THUMB-NEXT:     1008:        e340c000            movt        r12, #0
  46
  47 // THUMB-TO-ARM:      <__ThumbV7PILongThunk_armfunc>:
  48 // THUMB-TO-ARM-NEXT:     1004:        f64f 7cfc           movw        r12, #65532
  49 // THUMB-TO-ARM-NEXT:     1008:        f2c0 0c00           movt        r12, #0