| // REQUIRES: arm |
| // RUN: llvm-mc -filetype=obj -triple=armv7a-unknown-linux-gnueabi %s -o %t |
| // RUN: ld.lld %t -o %t2 |
| // RUN: llvm-objdump -d %t2 -triple=armv7a-unknown-linux-gnueabi | FileCheck %s |
| // RUN: llvm-mc -filetype=obj -triple=thumbv7a-unknown-linux-gnueabi %s -o %t3 |
| // RUN: ld.lld %t3 -o %t4 |
| // RUN: llvm-objdump -d %t4 -triple=thumbv7a-unknown-linux-gnueabi | FileCheck %s |
| |
| // Test the R_ARM_MOVW_ABS_NC and R_ARM_MOVT_ABS relocations as well as |
| // the R_ARM_THM_MOVW_ABS_NC and R_ARM_THM_MOVT_ABS relocations. |
| .syntax unified |
| .globl _start |
| _start: |
| .section .R_ARM_MOVW_ABS_NC, "ax",%progbits |
| movw r0, :lower16:label |
| movw r1, :lower16:label1 |
| movw r2, :lower16:label2 + 4 |
| movw r3, :lower16:label3 |
| movw r4, :lower16:label3 + 4 |
| // CHECK: Disassembly of section .R_ARM_MOVW_ABS_NC |
| // CHECK: movw r0, #0 |
| // CHECK: movw r1, #4 |
| // CHECK: movw r2, #12 |
| // CHECK: movw r3, #65532 |
| // CHECK: movw r4, #0 |
| .section .R_ARM_MOVT_ABS, "ax",%progbits |
| movt r0, :upper16:label |
| movt r1, :upper16:label1 |
| movt r2, :upper16:label2 + 4 |
| movt r3, :upper16:label3 |
| movt r4, :upper16:label3 + 4 |
| // CHECK: Disassembly of section .R_ARM_MOVT_ABS |
| // CHECK: movt r0, #2 |
| // CHECK: movt r1, #2 |
| // CHECK: movt r2, #2 |
| // CHECK: movt r3, #2 |
| // CHECK: movt r4, #3 |
| |
| .section .R_ARM_MOVW_PREL_NC, "ax",%progbits |
| movw r0, :lower16:label - . |
| movw r1, :lower16:label1 - . |
| movw r2, :lower16:label2 + 4 - . |
| movw r3, :lower16:label3 - . |
| movw r4, :lower16:label3 + 0x103c - . |
| // 0x20000 - 0x11028 = :lower16:0xefd8 (61400) |
| // CHECK: 11028: {{.*}} movw r0, #61400 |
| // 0x20004 = 0x1102c = :lower16:0xefd8 (61400) |
| // CHECK: 1102c: {{.*}} movw r1, #61400 |
| // 0x20008 - 0x11030 + 4 = :lower16:0xefdc (61404) |
| // CHECK: 11030: {{.*}} movw r2, #61404 |
| // 0x2fffc - 0x11034 = :lower16:0x1efc8 (61384) |
| // CHECK: 11034: {{.*}} movw r3, #61384 |
| // 0x2fffc - 0x11038 +0x103c :lower16:0x20000 (0) |
| // CHECK: 11038: {{.*}} movw r4, #0 |
| |
| .section .R_ARM_MOVT_PREL, "ax",%progbits |
| movt r0, :upper16:label - . |
| movt r1, :upper16:label1 - . |
| movt r2, :upper16:label2 + 0x4 - . |
| movt r3, :upper16:label3 - . |
| movt r4, :upper16:label3 + 0x1050 - . |
| // 0x20000 - 0x1103c = :upper16:0xefc4 = 0 |
| // CHECK: 1103c: {{.*}} movt r0, #0 |
| // 0x20004 - 0x11040 = :upper16:0xefc0 = 0 |
| // CHECK: 11040: {{.*}} movt r1, #0 |
| // 0x20008 - 0x11044 + 4 = :upper16:0xefc8 = 0 |
| // CHECK: 11044: {{.*}} movt r2, #0 |
| // 0x2fffc - 0x11048 = :upper16:0x1efb4 = 1 |
| // CHECK: 11048: {{.*}} movt r3, #1 |
| // 0x2fffc - 0x1104c + 0x1050 = :upper16:0x20000 = 2 |
| // CHECK: 1104c: {{.*}} movt r4, #2 |
| .section .destination, "aw",%progbits |
| .balign 65536 |
| // 0x20000 |
| label: |
| .word 0 |
| // 0x20004 |
| label1: |
| .word 1 |
| // 0x20008 |
| label2: |
| .word 2 |
| // Test label3 is immediately below 2^16 alignment boundary |
| .space 65536 - 16 |
| // 0x2fffc |
| label3: |
| .word 3 |
| // label3 + 4 is on a 2^16 alignment boundary |
| .word 4 |
