| // REQUIRES: aarch64 |
| // RUN: llvm-mc -filetype=obj -triple=aarch64-none-linux %s -o %t.o |
| // RUN: echo "SECTIONS { \ |
| // RUN: .text 0x10000 : { \ |
| // RUN: *(.text.01) ; \ |
| // RUN: . += 0x8000000 ; \ |
| // RUN: *(.text.02) } \ |
| // RUN: .foo : { *(.foo_sec) } } " > %t.script |
| // RUN: ld.lld -pie --fix-cortex-a53-843419 --script=%t.script %t.o -o %t2 |
| // RUN: llvm-objdump --no-show-raw-insn --triple=aarch64-linux-gnu -d %t2 |
| |
| |
| /// %t2 is > 128 Megabytes, so delete it early. |
| // RUN: rm %t2 |
| |
| /// Test case that for an OutputSection larger than the ThunkSectionSpacing |
| /// --fix-cortex-a53-843419 will cause the size of the ThunkSection to be |
| /// rounded up to the nearest 4KiB |
| |
| .section .text.01, "ax", %progbits |
| .balign 4096 |
| .globl _start |
| .type _start, %function |
| _start: |
| /// Range extension thunk needed, due to linker script |
| bl far_away |
| .space 4096 - 12 |
| |
| /// Erratum sequence |
| .globl t3_ff8_ldr |
| .type t3_ff8_ldr, %function |
| t3_ff8_ldr: |
| adrp x0, dat |
| ldr x1, [x1, #0] |
| ldr x0, [x0, :lo12:dat] |
| ret |
| |
| /// Expect thunk and patch to be inserted here |
| // CHECK: 0000000000011008 __AArch64ADRPThunk_far_away: |
| // CHECK-NEXT: 11008: adrp x16, #134221824 |
| // CHECK-NEXT: add x16, x16, #16 |
| // CHECK-NEXT: br x16 |
| // CHECK: 0000000000012008 __CortexA53843419_11000: |
| // CHECK-NEXT: 12008: ldr x0, [x0, #168] |
| // CHECK-NEXT: b #-4104 <t3_ff8_ldr+0xc> |
| |
| .section .text.02, "ax", %progbits |
| .globl far_away |
| .type far_away, function |
| far_away: |
| bl _start |
| ret |
| /// Expect thunk for _start not to have size rounded up to 4KiB as it is at |
| /// the end of the OutputSection |
| // CHECK: 0000000008012010 far_away: |
| // CHECK-NEXT: 8012010: bl #8 |
| // CHECK-NEXT: ret |
| // CHECK: 0000000008012018 __AArch64ADRPThunk__start: |
| // CHECK-NEXT: 8012018: adrp x16, #-134225920 |
| // CHECK-NEXT: add x16, x16, #0 |
| // CHECK-NEXT: br x16 |
| // CHECK: 0000000008012024 foo: |
| // CHECK-NEXT: 8012024: ret |
| .section .foo_sec, "ax", %progbits |
| .globl foo |
| .type foo, function |
| foo: |
| ret |
| |
| |
| .section .data |
| .balign 8 |
| .globl dat |
| dat: .quad 0 |