| // REQUIRES: arm |
| // RUN: llvm-mc -filetype=obj -triple=thumbv7a-none-linux-gnueabi %s -o %t |
| // RUN: ld.lld %t --shared -o %t.so |
| // The output file is large, most of it zeroes. We dissassemble only the |
| // parts we need to speed up the test and avoid a large output file |
| // RUN: llvm-objdump -d %t.so -start-address=8388608 -stop-address=8388624 -triple=thumbv7a-linux-gnueabihf | FileCheck -check-prefix=CHECK1 %s |
| // RUN: llvm-objdump -d %t.so -start-address=16777216 -stop-address=16777256 -triple=thumbv7a-linux-gnueabihf | FileCheck -check-prefix=CHECK2 %s |
| // RUN: llvm-objdump -d %t.so -start-address=25165824 -stop-address=25165828 -triple=thumbv7a-linux-gnueabihf | FileCheck -check-prefix=CHECK3 %s |
| // RUN: llvm-objdump -d %t.so -start-address=25165828 -stop-address=25165924 -triple=armv7a-linux-gnueabihf | FileCheck -check-prefix=CHECK4 %s |
| .syntax unified |
| .thumb |
| |
| // Make sure that we generate a range extension thunk to a PLT entry |
| .section ".text.1", "ax", %progbits |
| .global sym1 |
| .global elsewhere |
| .type elsewhere, %function |
| .global preemptible |
| .type preemptible, %function |
| .global far_preemptible |
| .type far_preemptible, %function |
| sym1: |
| bl elsewhere |
| bl preemptible |
| bx lr |
| preemptible: |
| bl far_preemptible |
| bx lr |
| // CHECK1: Disassembly of section .text: |
| // CHECK1-NEXT: sym1: |
| // CHECK1-NEXT: 800000: 00 f0 00 d8 bl #8388608 |
| // CHECK1-NEXT: 800004: 00 f0 04 d8 bl #8388616 |
| // CHECK1-NEXT: 800008: 70 47 bx lr |
| // CHECK1: preemptible: |
| // CHECK1-NEXT: 80000a: 00 f0 07 d8 bl #8388622 |
| // CHECK1-NEXT: 80000e: 70 47 bx lr |
| |
| .section .text.2, "ax", %progbits |
| .balign 0x0800000 |
| bx lr |
| // CHECK2: __ThumbV7PILongThunk_elsewhere: |
| // CHECK2-NEXT: 1000004: 40 f2 20 0c movw r12, #32 |
| // CHECK2-NEXT: 1000008: c0 f2 80 0c movt r12, #128 |
| // CHECK2-NEXT: 100000c: fc 44 add r12, pc |
| // CHECK2-NEXT: 100000e: 60 47 bx r12 |
| // CHECK2: __ThumbV7PILongThunk_preemptible: |
| // CHECK2-NEXT: 1000010: 40 f2 24 0c movw r12, #36 |
| // CHECK2-NEXT: 1000014: c0 f2 80 0c movt r12, #128 |
| // CHECK2-NEXT: 1000018: fc 44 add r12, pc |
| // CHECK2-NEXT: 100001a: 60 47 bx r12 |
| // CHECK2: __ThumbV7PILongThunk_far_preemptible: |
| // CHECK2-NEXT: 100001c: 40 f2 28 0c movw r12, #40 |
| // CHECK2-NEXT: 1000020: c0 f2 80 0c movt r12, #128 |
| // CHECK2-NEXT: 1000024: fc 44 add r12, pc |
| // CHECK2-NEXT: 1000026: 60 47 bx r12 |
| |
| .section .text.3, "ax", %progbits |
| .balign 0x0800000 |
| far_preemptible: |
| bl elsewhere |
| // CHECK3: far_preemptible: |
| // CHECK3: 1800000: 00 f0 16 e8 blx #44 |
| |
| // CHECK4: Disassembly of section .plt: |
| // CHECK4-NEXT: $a: |
| // CHECK4-NEXT: 1800010: 04 e0 2d e5 str lr, [sp, #-4]! |
| // CHECK4-NEXT: 1800014: 00 e6 8f e2 add lr, pc, #0, #12 |
| // CHECK4-NEXT: 1800018: 00 ea 8e e2 add lr, lr, #0, #20 |
| // CHECK4-NEXT: 180001c: ec ff be e5 ldr pc, [lr, #4076]! |
| // CHECK4: $d: |
| // CHECK4-NEXT: 1800020: d4 d4 d4 d4 .word 0xd4d4d4d4 |
| // CHECK4-NEXT: 1800024: d4 d4 d4 d4 .word 0xd4d4d4d4 |
| // CHECK4-NEXT: 1800028: d4 d4 d4 d4 .word 0xd4d4d4d4 |
| // CHECK4-NEXT: 180002c: d4 d4 d4 d4 .word 0xd4d4d4d4 |
| // CHECK4: $a: |
| // CHECK4-NEXT: 1800030: 00 c6 8f e2 add r12, pc, #0, #12 |
| // CHECK4-NEXT: 1800034: 00 ca 8c e2 add r12, r12, #0, #20 |
| // CHECK4-NEXT: 1800038: d4 ff bc e5 ldr pc, [r12, #4052]! |
| // CHECK4: $d: |
| // CHECK4-NEXT: 180003c: d4 d4 d4 d4 .word 0xd4d4d4d4 |
| // CHECK4: $a: |
| // CHECK4-NEXT: 1800040: 00 c6 8f e2 add r12, pc, #0, #12 |
| // CHECK4-NEXT: 1800044: 00 ca 8c e2 add r12, r12, #0, #20 |
| // CHECK4-NEXT: 1800048: c8 ff bc e5 ldr pc, [r12, #4040]! |
| // CHECK4: $d: |
| // CHECK4-NEXT: 180004c: d4 d4 d4 d4 .word 0xd4d4d4d4 |
| // CHECK4: $a: |
| // CHECK4-NEXT: 1800050: 00 c6 8f e2 add r12, pc, #0, #12 |
| // CHECK4-NEXT: 1800054: 00 ca 8c e2 add r12, r12, #0, #20 |
| // CHECK4-NEXT: 1800058: bc ff bc e5 ldr pc, [r12, #4028]! |
| // CHECK4: $d: |
| // CHECK4-NEXT: 180005c: d4 d4 d4 d4 .word 0xd4d4d4d4 |
