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Diffstat (limited to 'test/ELF/arm-thunk-edgecase.s')
| -rw-r--r-- | test/ELF/arm-thunk-edgecase.s | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/test/ELF/arm-thunk-edgecase.s b/test/ELF/arm-thunk-edgecase.s new file mode 100644 index 000000000000..81837c7b3284 --- /dev/null +++ b/test/ELF/arm-thunk-edgecase.s @@ -0,0 +1,37 @@ +// REQUIRES: arm +// RUN: llvm-mc -filetype=obj -triple=armv7a-none-linux-gnueabi %s -o %t.o +// RUN: echo "SECTIONS { \ +// RUN: .text_armfunc 0x1000 : { *(.text_armfunc) } \ +// RUN: .text_thumbfunc 0x11010 : { *(.text_thumbfunc) } \ +// RUN: }" > %tarm_to_thumb.script +// RUN: echo "SECTIONS { \ +// RUN: .text_thumbfunc 0x1000 : { *(.text_thumbfunc) } \ +// RUN: .text_armfunc 0x1100c : { *(.text_armfunc) } \ +// RUN: }" > %tthumb_to_arm.script +// RUN: ld.lld -shared -Bsymbolic -script %tarm_to_thumb.script %t.o -o %tarm_to_thumb.so +// RUN: ld.lld -shared -Bsymbolic -script %tthumb_to_arm.script %t.o -o %tthumb_to_arm.so +// RUN: llvm-objdump -triple=armv7a-none-linux-gnueabi -d %tarm_to_thumb.so | FileCheck -check-prefix=ARM-TO-THUMB %s +// RUN: llvm-objdump -triple=thumbv7a-none-linux-gnueabi -d %tthumb_to_arm.so | FileCheck -check-prefix=THUMB-TO-ARM %s + +.syntax unified + +.arm +.section .text_armfunc, "ax", %progbits +.globl armfunc +armfunc: + b thumbfunc + +.thumb +.section .text_thumbfunc, "ax", %progbits +.globl thumbfunc +.thumb_func +thumbfunc: + b.w armfunc + +// ARM-TO-THUMB: __ARMV7PILongThunk_thumbfunc: +// ARM-TO-THUMB-NEXT: 1004: fd cf 0f e3 movw r12, #65533 +// ARM-TO-THUMB-NEXT: 1008: 00 c0 40 e3 movt r12, #0 + +// THUMB-TO-ARM: __ThumbV7PILongThunk_armfunc: +// THUMB-TO-ARM-NEXT: 1004: 4f f6 fc 7c movw r12, #65532 +// THUMB-TO-ARM-NEXT: 1008: c0 f2 00 0c movt r12, #0 |