| // REQUIRES: arm |
| // RUN: split-file %s %t |
| // RUN: llvm-mc --triple=armv7a-none-eabi --arm-add-build-attributes -filetype=obj -o %t.o %t/asm |
| // RUN: ld.lld --script %t/lds %t.o -o %t2 |
| // RUN: llvm-objdump -d --no-show-raw-insn --triple=armv7a-none-eabi %t2 | FileCheck %s |
| |
| /// Test the long range encoding of R_ARM_ALU_PC_Gx sequences. We can encode an 8-bit |
| /// immediate rotated right by an even 4-bit field. |
| |
| //--- lds |
| SECTIONS { |
| .text.0 0x0100000 : AT(0x0100000) { *(.text.0) } |
| .text.1 0x0800000 : AT(0x0800000) { *(.text.1) } |
| .text.2 0xf0f0000 : AT(0xf0f0000) { *(.text.2) } |
| } |
| |
| //--- asm |
| .section .text.0, "ax", %progbits |
| dat1: |
| .word 0 |
| |
| .section .text.1, "ax", %progbits |
| .global _start |
| .type _start, %function |
| _start: |
| .inst 0xe24f0008 // sub r0, pc, #8 |
| .inst 0xe2400004 // sub r0, r0, #4 |
| .reloc 0, R_ARM_ALU_PC_G0_NC, dat1 |
| .reloc 4, R_ARM_ALU_PC_G1, dat1 |
| |
| .inst 0xe24f1008 // sub r1, pc, #8 |
| .inst 0xe2411004 // sub r1, r1, #4 |
| .inst 0xe2411000 // sub r1, r1, #0 |
| .reloc 8, R_ARM_ALU_PC_G0_NC, dat2 |
| .reloc 12, R_ARM_ALU_PC_G1_NC, dat2 |
| .reloc 16, R_ARM_ALU_PC_G2, dat2 |
| |
| .inst 0xe24f0008 // sub r0, pc, #8 |
| .inst 0xe2400004 // sub r0, r0, #4 |
| .inst 0xe2400000 // sub r0, r0, #0 |
| .reloc 20, R_ARM_ALU_PC_G0_NC, dat1 |
| .reloc 24, R_ARM_ALU_PC_G1_NC, dat1 |
| .reloc 28, R_ARM_ALU_PC_G2, dat1 |
| |
| .inst 0xe24f0008 // sub r0, pc, #8 |
| .inst 0xe2400004 // sub r0, r0, #4 |
| .inst 0xe5900000 // ldr r0, [r0, #0] |
| .reloc 32, R_ARM_ALU_PC_G0_NC, dat2 |
| .reloc 36, R_ARM_ALU_PC_G1_NC, dat2 |
| .reloc 40, R_ARM_LDR_PC_G2, dat2 |
| |
| .inst 0xe24f0008 // sub r0, pc, #8 |
| .inst 0xe5100004 // ldr r0, [r0, #-4] |
| .reloc 44, R_ARM_ALU_PC_G0_NC, dat1 |
| .reloc 48, R_ARM_LDR_PC_G1, dat1 |
| |
| .inst 0xe24f0008 // sub r0, pc, #8 |
| .inst 0xe2400004 // sub r0, r0, #4 |
| .inst 0xe5900000 // ldr r0, [r0, #0] |
| .reloc 52, R_ARM_ALU_PC_G0_NC, dat1 |
| .reloc 56, R_ARM_ALU_PC_G1_NC, dat1 |
| .reloc 60, R_ARM_LDR_PC_G2, dat1 |
| |
| .inst 0xe24f0008 // sub r0, pc, #8 |
| .inst 0xe14000d4 // ldrd r0, [r0, #-4] |
| .reloc 64, R_ARM_ALU_PC_G0_NC, dat1 |
| .reloc 68, R_ARM_LDRS_PC_G1, dat1 |
| |
| .section .text.2, "ax", %progbits |
| dat2: |
| .word 0 |
| |
| // CHECK: 00100000 <dat1>: |
| // CHECK-NEXT: 100000: andeq r0, r0, r0 |
| |
| // CHECK: 00800000 <_start>: |
| // CHECK-NEXT: 800000: sub r0, pc, #112, #16 |
| // CHECK-NEXT: 800004: sub r0, r0, #8 |
| |
| // CHECK-NEXT: 800008: add r1, pc, #232, #12 |
| // CHECK-NEXT: 80000c: add r1, r1, #978944 |
| // CHECK-NEXT: 800010: add r1, r1, #4080 |
| |
| // CHECK-NEXT: 800014: sub r0, pc, #112, #16 |
| // CHECK-NEXT: 800018: sub r0, r0, #28 |
| // CHECK-NEXT: 80001c: sub r0, r0, #0 |
| |
| // CHECK-NEXT: 800020: add r0, pc, #232, #12 |
| // CHECK-NEXT: 800024: add r0, r0, #978944 |
| // CHECK-NEXT: 800028: ldr r0, [r0, #4056] |
| |
| // CHECK-NEXT: 80002c: sub r0, pc, #112, #16 |
| // CHECK-NEXT: 800030: ldr r0, [r0, #-52] |
| |
| // CHECK-NEXT: 800034: sub r0, pc, #112, #16 |
| // CHECK-NEXT: 800038: sub r0, r0, #60 |
| // CHECK-NEXT: 80003c: ldr r0, [r0, #-0] |
| |
| // CHECK-NEXT: 800040: sub r0, pc, #112, #16 |
| // CHECK-NEXT: 800044: ldrd r0, r1, [r0, #-72] |
| |
| // CHECK: 0f0f0000 <dat2>: |
| // CHECK-NEXT: f0f0000: andeq r0, r0, r0 |
