| // REQUIRES: aarch64 |
| // RUN: rm -rf %t && split-file %s %t && cd %t |
| // RUN: llvm-mc -filetype=obj -triple=aarch64 asm -o a.o |
| // RUN: ld.lld --shared --script=lds a.o -o out.so --defsym absolute=0xf0000000 |
| // RUN: llvm-objdump -d --no-show-raw-insn out.so | FileCheck %s |
| // RUN: llvm-objdump -d --no-show-raw-insn out.so | FileCheck %s --check-prefix=CHECK-PADS |
| // RUN: llvm-mc -filetype=obj -triple=aarch64 shared -o shared.o |
| // RUN: ld.lld --shared -o shared.so shared.o |
| // RUN: ld.lld shared.so --script=lds a.o -o exe --defsym absolute=0xf0000000 |
| // RUN: llvm-objdump -d --no-show-raw-insn exe | FileCheck %s --check-prefix=CHECK-EXE |
| // RUN: llvm-objdump -d --no-show-raw-insn exe | FileCheck %s --check-prefix=CHECK-PADS |
| |
| /// Test thunk generation when destination does not have a BTI compatible |
| /// landing pad. Linker must generate landing pad sections for thunks that use |
| /// indirect branches. |
| |
| //--- asm |
| .section ".note.gnu.property", "a" |
| .p2align 3 |
| .long 4 |
| .long 0x10 |
| .long 0x5 |
| .asciz "GNU" |
| |
| /// Enable BTI. |
| .long 0xc0000000 // GNU_PROPERTY_AARCH64_FEATURE_1_AND. |
| .long 4 |
| .long 1 // GNU_PROPERTY_AARCH64_FEATURE_1_BTI. |
| .long 0 |
| |
| |
| /// Short thunks are direct branches so we don't need landing pads. Expect |
| /// all thunks to branch directly to target. |
| .section .text.0, "ax", %progbits |
| .balign 0x1000 |
| .global _start |
| .type _start, %function |
| _start: |
| bl bti_c_target |
| bl bti_j_target |
| bl bti_jc_target |
| bl paciasp_target |
| bl pacibsp_target |
| bl .text.2 + 0x4 // fn2 |
| b .text.2 + 0x4 // fn2 |
| bl fn1 |
| b fn1 |
| bl fn3 |
| b fn3 |
| bl fn4 |
| b fn4 |
| bl via_plt |
| /// We cannot add landing pads for absolute symbols. |
| bl absolute |
| /// padding so that we require thunks that can be placed after this section. |
| /// The thunks are close enough to the target to be short. |
| .balign 8 |
| .space 0x1000 |
| |
| // CHECK-PADS-LABEL: <_start>: |
| // CHECK-PADS-NEXT: 10001000: bl 0x10002040 |
| // CHECK-PADS-NEXT: bl 0x10002044 |
| // CHECK-PADS-NEXT: bl 0x10002048 |
| // CHECK-PADS-NEXT: bl 0x1000204c |
| // CHECK-PADS-NEXT: bl 0x10002050 |
| // CHECK-PADS-NEXT: bl 0x10002054 |
| // CHECK-PADS-NEXT: b 0x10002054 |
| // CHECK-PADS-NEXT: bl 0x10002058 |
| // CHECK-PADS-NEXT: b 0x10002058 |
| // CHECK-PADS-NEXT: bl 0x1000205c |
| // CHECK-PADS-NEXT: b 0x1000205c |
| // CHECK-PADS-NEXT: bl 0x10002060 |
| // CHECK-PADS-NEXT: b 0x10002060 |
| // CHECK-PADS-NEXT: bl 0x10002064 |
| // CHECK-PADS-NEXT: bl 0x10002068 |
| |
| // CHECK-LABEL: <__AArch64ADRPThunk_>: |
| // CHECK-NEXT: 10002040: b 0x18001000 <bti_c_target> |
| |
| // CHECK-LABEL: <__AArch64ADRPThunk_>: |
| // CHECK-NEXT: 10002044: b 0x18001008 <bti_j_target> |
| |
| // CHECK-LABEL: <__AArch64ADRPThunk_>: |
| // CHECK-NEXT: 10002048: b 0x18001010 <bti_jc_target> |
| |
| // CHECK-LABEL: <__AArch64ADRPThunk_>: |
| // CHECK-NEXT: 1000204c: b 0x18001018 <paciasp_target> |
| |
| // CHECK-LABEL: <__AArch64ADRPThunk_>: |
| // CHECK-NEXT: 10002050: b 0x18001020 <pacibsp_target> |
| |
| // CHECK-LABEL: <__AArch64ADRPThunk_>: |
| // CHECK-NEXT: 10002054: b 0x18001038 <fn2> |
| |
| // CHECK-LABEL: <__AArch64ADRPThunk_>: |
| // CHECK-NEXT: 10002058: b 0x18001034 <fn1> |
| |
| // CHECK-LABEL: <__AArch64ADRPThunk_>: |
| // CHECK-NEXT: 1000205c: b 0x18001040 <fn3> |
| |
| // CHECK-LABEL: <__AArch64ADRPThunk_>: |
| // CHECK-NEXT: 10002060: b 0x18001050 <fn4> |
| |
| // CHECK-LABEL: <__AArch64ADRPThunk_via_plt>: |
| // CHECK-NEXT: 10002064: b 0x18001080 <via_plt@plt> |
| |
| // CHECK-LABEL: <__AArch64ADRPThunk_absolute>: |
| // CHECK-NEXT: 10002068: b 0x18001098 <absolute@plt> |
| |
| // CHECK-EXE-LABEL: <__AArch64AbsLongThunk_>: |
| // CHECK-EXE-NEXT: 10002040: b 0x18001000 <bti_c_target> |
| |
| // CHECK-EXE-LABEL: <__AArch64AbsLongThunk_>: |
| // CHECK-EXE-NEXT: 10002044: b 0x18001008 <bti_j_target> |
| |
| // CHECK-EXE-LABEL: <__AArch64AbsLongThunk_>: |
| // CHECK-EXE-NEXT: 10002048: b 0x18001010 <bti_jc_target> |
| |
| // CHECK-EXE-LABEL: <__AArch64AbsLongThunk_>: |
| // CHECK-EXE-NEXT: 1000204c: b 0x18001018 <paciasp_target> |
| |
| // CHECK-EXE-LABEL: <__AArch64AbsLongThunk_>: |
| // CHECK-EXE-NEXT: 10002050: b 0x18001020 <pacibsp_target> |
| |
| // CHECK-EXE-LABEL: <__AArch64AbsLongThunk_>: |
| // CHECK-EXE-NEXT: 10002054: b 0x18001038 <fn2> |
| |
| // CHECK-EXE-LABEL: <__AArch64AbsLongThunk_>: |
| // CHECK-EXE-NEXT: 10002058: b 0x18001034 <fn1> |
| |
| // CHECK-EXE-LABEL: <__AArch64AbsLongThunk_>: |
| // CHECK-EXE-NEXT: 1000205c: b 0x18001040 <fn3> |
| |
| // CHECK-EXE-LABEL: <__AArch64AbsLongThunk_>: |
| // CHECK-EXE-NEXT: 10002060: b 0x18001050 <fn4> |
| |
| // CHECK-EXE-LABEL: <__AArch64AbsLongThunk_via_plt>: |
| // CHECK-EXE-NEXT: 10002064: b 0x18001080 <via_plt@plt> |
| |
| // CHECK-EXE-LABEL: <__AArch64AbsLongThunk_absolute>: |
| // CHECK-EXE-NEXT: 10002068: ldr x16, 0x10002070 <__AArch64AbsLongThunk_absolute+0x8> |
| // CHECK-EXE-NEXT: br x16 |
| // CHECK-EXE-NEXT: 00 00 00 f0 .word 0xf0000000 |
| // CHECK-EXE-NEXT: 00 00 00 00 .word 0x00000000 |
| |
| .section .text.1, "ax", %progbits |
| /// These indirect branch targets already have a BTI compatible landing pad, |
| /// no alternative entry point required. |
| .hidden bti_c_target |
| .type bti_c_target, %function |
| bti_c_target: |
| bti c |
| ret |
| |
| .hidden bti_j_target |
| .type bti_j_target, %function |
| bti_j_target: |
| bti j |
| ret |
| |
| .hidden bti_jc_target |
| .type bti_jc_target, %function |
| bti_jc_target: |
| bti jc |
| ret |
| |
| .hidden paciasp_target |
| .type paciasp_target, %function |
| paciasp_target: |
| paciasp |
| ret |
| |
| .hidden pacibsp_target |
| .type pacibsp_target, %function |
| pacibsp_target: |
| pacibsp |
| ret |
| |
| // CHECk-PADS-LABEL: <bti_c_target>: |
| // CHECK-PADS: 18001000: bti c |
| // CHECK-PADS-NEXT: ret |
| |
| // CHECK-PADS-LABEL: <bti_j_target>: |
| // CHECK-PADS-NEXT: 18001008: bti j |
| // CHECK-PADS-NEXT: ret |
| |
| // CHECK-PADS-LABEL: <bti_jc_target>: |
| // CHECK-PADS-NEXT: 18001010: bti jc |
| // CHECK-PADS-NEXT: ret |
| |
| // CHECK-PADS-LABEL: <paciasp_target>: |
| // CHECK-PADS-NEXT: 18001018: paciasp |
| // CHECK-PADS-NEXT: ret |
| |
| // CHECK-PADS-LABEL: <pacibsp_target>: |
| // CHECK-PADS-NEXT: 18001020: pacibsp |
| // CHECK-PADS-NEXT: ret |
| |
| /// These functions do not have BTI compatible landing pads. Expect linker |
| /// generated landing pads for indirect branch thunks. |
| .section .text.2, "ax", %progbits |
| .hidden fn1 |
| .type fn1, %function |
| fn1: |
| ret |
| .hidden fn2 |
| .type fn2, %function |
| fn2: |
| ret |
| |
| // CHECK-PADS-LABEL: <__AArch64BTIThunk_>: |
| // CHECK-PADS-NEXT: 18001028: bti c |
| // CHECK-PADS-NEXT: b 0x18001038 <fn2> |
| |
| // CHECK-PADS-LABEL: <__AArch64BTIThunk_>: |
| // CHECK-PADS-NEXT: 18001030: bti c |
| |
| // CHECK-PADS-LABEL: <fn1>: |
| // CHECK-PADS-NEXT: 18001034: ret |
| |
| // CHECK-PADS-LABEL <fn2>: |
| // CHECK-PADS: 18001038: ret |
| |
| /// Section with only one function at offset 0. Landing pad should be able to |
| /// fall through. |
| .section .text.3, "ax", %progbits |
| .hidden fn3 |
| .type fn3, %function |
| fn3: |
| ret |
| |
| // CHECK-PADS-LABEL: <__AArch64BTIThunk_>: |
| // CHECK-PADS-NEXT: 1800103c: bti c |
| |
| // CHECK-PADS-LABEL: <fn3>: |
| // CHECK-PADS-NEXT: 18001040: ret |
| |
| /// Section with only one function at offset 0, also with a high alignment |
| /// requirement. Check that we don't fall through into alignment padding. |
| .section .text.4, "ax", %progbits |
| .hidden fn4 |
| .type fn4, %function |
| .balign 16 |
| fn4: |
| ret |
| |
| // CHECK-PADS-LABEL: <__AArch64BTIThunk_>: |
| // CHECK-PADS: 18001044: bti c |
| // CHECK-PADS-NEXT: b 0x18001050 <fn4> |
| // CHECK-PADS-NEXT: udf #0x0 |
| |
| // CHECK-PADS-LABEL: <fn4>: |
| // CHECK-PADS-NEXT: 18001050: ret |
| |
| .section .long_calls, "ax", %progbits |
| .global long_calls |
| .type long_calls, %function |
| long_calls: |
| /// Expect thunk to target as targets have BTI or implicit BTI. |
| bl bti_c_target |
| bl bti_j_target |
| bl bti_jc_target |
| bl paciasp_target |
| bl pacibsp_target |
| /// Expect thunk to target a linker generated entry point with BTI landing pad. |
| /// Two calls to make sure only one landing pad is created. |
| bl .text.2 + 0x4 // fn2 |
| b .text.2 + 0x4 // fn2 |
| /// fn2 before fn1 so that landing pad for fn1 can fall through. |
| bl fn1 |
| b fn1 |
| bl fn3 |
| b fn3 |
| bl fn4 |
| b fn4 |
| /// PLT entries reachable via Thunks have a BTI c at the start of each entry |
| /// so no additional landing pad required. |
| bl via_plt |
| /// We cannot add landing pads for absolute symbols. |
| bl absolute |
| .balign 8 |
| /// PLT entries have BTI at start. |
| // CHECK-LABEL: <via_plt@plt>: |
| // CHECK-NEXT: bti c |
| // CHECK-NEXT: adrp x16, 0x30000000 |
| // CHECK-NEXT: ldr x17, [x16, #0x1a0] |
| // CHECK-NEXT: add x16, x16, #0x1a0 |
| // CHECK-NEXT: br x17 |
| // CHECK-NEXT: nop |
| |
| // CHECK: <absolute@plt>: |
| // CHECK-NEXT: bti c |
| // CHECK-NEXT: adrp x16, 0x30000000 |
| // CHECK-NEXT: ldr x17, [x16, #0x1a8] |
| // CHECK-NEXT: add x16, x16, #0x1a8 |
| // CHECK-NEXT: br x17 |
| // CHECK-NEXT: nop |
| |
| // CHECK-EXE-LABEL: <via_plt@plt>: |
| // CHECK-EXE-NEXT: 18001080: bti c |
| // CHECK-EXE-NEXT: adrp x16, 0x30000000 |
| // CHECK-EXE-NEXT: ldr x17, [x16, #0x1e8] |
| // CHECK-EXE-NEXT: add x16, x16, #0x1e8 |
| // CHECK-EXE-NEXT: br x17 |
| // CHECK-EXE-NEXT: nop |
| |
| // CHECK-LABEL: <long_calls>: |
| // CHECK-NEXT: 30000000: bl 0x30000040 <__AArch64ADRPThunk_> |
| // CHECK-NEXT: bl 0x3000004c <__AArch64ADRPThunk_> |
| // CHECK-NEXT: bl 0x30000058 <__AArch64ADRPThunk_> |
| // CHECK-NEXT: bl 0x30000064 <__AArch64ADRPThunk_> |
| // CHECK-NEXT: bl 0x30000070 <__AArch64ADRPThunk_> |
| // CHECK-NEXT: bl 0x3000007c <__AArch64ADRPThunk_> |
| // CHECK-NEXT: b 0x3000007c <__AArch64ADRPThunk_> |
| // CHECK-NEXT: bl 0x30000088 <__AArch64ADRPThunk_> |
| // CHECK-NEXT: b 0x30000088 <__AArch64ADRPThunk_> |
| // CHECK-NEXT: bl 0x30000094 <__AArch64ADRPThunk_> |
| // CHECK-NEXT: b 0x30000094 <__AArch64ADRPThunk_> |
| // CHECK-NEXT: bl 0x300000a0 <__AArch64ADRPThunk_> |
| // CHECK-NEXT: b 0x300000a0 <__AArch64ADRPThunk_> |
| // CHECK-NEXT: bl 0x300000ac <__AArch64ADRPThunk_via_plt> |
| // CHECK-NEXT: bl 0x300000b8 <__AArch64ADRPThunk_absolute> |
| |
| /// bti_c_target. |
| // CHECK-LABEL: <__AArch64ADRPThunk_>: |
| // CHECK-NEXT: 30000040: adrp x16, 0x18001000 <bti_c_target> |
| // CHECK-NEXT: add x16, x16, #0x0 |
| // CHECK-NEXT: br x16 |
| /// bti_j_target. |
| // CHECK-LABEL: <__AArch64ADRPThunk_>: |
| // CHECK-NEXT: adrp x16, 0x18001000 <bti_c_target> |
| // CHECK-NEXT: add x16, x16, #0x8 |
| // CHECK-NEXT: br x16 |
| /// bti_jc_target. |
| // CHECK-LABEL: <__AArch64ADRPThunk_>: |
| // CHECK-NEXT: adrp x16, 0x18001000 <bti_c_target> |
| // CHECK-NEXT: add x16, x16, #0x10 |
| // CHECK-NEXT: br x16 |
| /// paciasp_target. |
| // CHECK-LABEL: <__AArch64ADRPThunk_>: |
| // CHECK-NEXT: adrp x16, 0x18001000 <bti_c_target> |
| // CHECK-NEXT: add x16, x16, #0x18 |
| // CHECK-NEXT: br x16 |
| /// pacibsp_target. |
| // CHECK-LABEL: <__AArch64ADRPThunk_>: |
| // CHECK-NEXT: adrp x16, 0x18001000 <bti_c_target> |
| // CHECK-NEXT: add x16, x16, #0x20 |
| // CHECK-NEXT: br x16 |
| /// Landing pad for fn2. |
| // CHECK-LABEL: <__AArch64ADRPThunk_>: |
| // CHECK-NEXT: adrp x16, 0x18001000 <bti_c_target> |
| // CHECK-NEXT: add x16, x16, #0x28 |
| // CHECK-NEXT: br x16 |
| /// Landing pad for fn1. |
| // CHECK-LABEL: <__AArch64ADRPThunk_>: |
| // CHECK-NEXT: adrp x16, 0x18001000 <bti_c_target> |
| // CHECK-NEXT: add x16, x16, #0x30 |
| // CHECK-NEXT: br x16 |
| /// Landing pad for fn3. |
| // CHECK-LABEL: <__AArch64ADRPThunk_>: |
| // CHECK-NEXT: adrp x16, 0x18001000 <bti_c_target> |
| // CHECK-NEXT: add x16, x16, #0x3c |
| // CHECK-NEXT: br x16 |
| /// Landing pad for fn4. |
| // CHECK-LABEL: <__AArch64ADRPThunk_>: |
| // CHECK-NEXT: adrp x16, 0x18001000 <bti_c_target> |
| // CHECK-NEXT: add x16, x16, #0x44 |
| // CHECK-NEXT: br x16 |
| |
| // CHECK-LABEL: <__AArch64ADRPThunk_via_plt>: |
| // CHECK-NEXT: adrp x16, 0x18001000 <bti_c_target> |
| // CHECK-NEXT: add x16, x16, #0x80 |
| // CHECK-NEXT: br x16 |
| |
| // CHECK-LABEL: <__AArch64ADRPThunk_absolute>: |
| // CHECK-NEXT: adrp x16, 0x18001000 <bti_c_target> |
| // CHECK-NEXT: add x16, x16, #0x98 |
| // CHECK-NEXT: br x16 |
| |
| // CHECK-EXE-LABEL: <long_calls>: |
| // CHECK-EXE-NEXT: 30000000: bl 0x30000040 <__AArch64AbsLongThunk_> |
| // CHECK-EXE-NEXT: bl 0x30000050 <__AArch64AbsLongThunk_> |
| // CHECK-EXE-NEXT: bl 0x30000060 <__AArch64AbsLongThunk_> |
| // CHECK-EXE-NEXT: bl 0x30000070 <__AArch64AbsLongThunk_> |
| // CHECK-EXE-NEXT: bl 0x30000080 <__AArch64AbsLongThunk_> |
| // CHECK-EXE-NEXT: bl 0x30000090 <__AArch64AbsLongThunk_> |
| // CHECK-EXE-NEXT: b 0x30000090 <__AArch64AbsLongThunk_> |
| // CHECK-EXE-NEXT: bl 0x300000a0 <__AArch64AbsLongThunk_> |
| // CHECK-EXE-NEXT: b 0x300000a0 <__AArch64AbsLongThunk_> |
| // CHECK-EXE-NEXT: bl 0x300000b0 <__AArch64AbsLongThunk_> |
| // CHECK-EXE-NEXT: b 0x300000b0 <__AArch64AbsLongThunk_> |
| // CHECK-EXE-NEXT: bl 0x300000c0 <__AArch64AbsLongThunk_> |
| // CHECK-EXE-NEXT: b 0x300000c0 <__AArch64AbsLongThunk_> |
| // CHECK-EXE-NEXT: bl 0x300000d0 <__AArch64AbsLongThunk_via_plt> |
| // CHECK-EXE-NEXT: bl 0x300000e0 <__AArch64AbsLongThunk_absolute> |
| |
| // CHECK-EXE-LABEL: 0000000030000040 <__AArch64AbsLongThunk_>: |
| // CHECK-EXE-NEXT: 30000040: ldr x16, 0x30000048 <__AArch64AbsLongThunk_+0x8> |
| // CHECK-EXE-NEXT: br x16 |
| // CHECK-EXE-NEXT: 00 10 00 18 .word 0x18001000 |
| // CHECK-EXE-NEXT: 00 00 00 00 .word 0x00000000 |
| |
| // CHECK-EXE-LABEL: <__AArch64AbsLongThunk_>: |
| // CHECK-EXE-NEXT: 30000050: ldr x16, 0x30000058 <__AArch64AbsLongThunk_+0x8> |
| // CHECK-EXE-NEXT: br x16 |
| // CHECK-EXE-NEXT: 08 10 00 18 .word 0x18001008 |
| // CHECK-EXE-NEXT: 00 00 00 00 .word 0x00000000 |
| |
| // CHECK-EXE-LABEL: <__AArch64AbsLongThunk_>: |
| // CHECK-EXE-NEXT: 30000060: ldr x16, 0x30000068 <__AArch64AbsLongThunk_+0x8> |
| // CHECK-EXE-NEXT: br x16 |
| // CHECK-EXE-NEXT: 10 10 00 18 .word 0x18001010 |
| // CHECK-EXE-NEXT: 00 00 00 00 .word 0x00000000 |
| |
| // CHECK-EXE-LABEL: <__AArch64AbsLongThunk_>: |
| // CHECK-EXE-NEXT: 30000070: ldr x16, 0x30000078 <__AArch64AbsLongThunk_+0x8> |
| // CHECK-EXE-NEXT: br x16 |
| // CHECK-EXE-NEXT: 18 10 00 18 .word 0x18001018 |
| // CHECK-EXE-NEXT: 00 00 00 00 .word 0x00000000 |
| |
| // CHECK-EXE-LABEL: <__AArch64AbsLongThunk_>: |
| // CHECK-EXE-NEXT: 30000080: ldr x16, 0x30000088 <__AArch64AbsLongThunk_+0x8> |
| // CHECK-EXE-NEXT: br x16 |
| // CHECK-EXE-NEXT: 20 10 00 18 .word 0x18001020 |
| // CHECK-EXE-NEXT: 00 00 00 00 .word 0x00000000 |
| |
| // CHECK-EXE-LABEL: <__AArch64AbsLongThunk_>: |
| // CHECK-EXE-NEXT: 30000090: ldr x16, 0x30000098 <__AArch64AbsLongThunk_+0x8> |
| // CHECK-EXE-NEXT: br x16 |
| // CHECK-EXE-NEXT: 28 10 00 18 .word 0x18001028 |
| // CHECK-EXE-NEXT: 00 00 00 00 .word 0x00000000 |
| |
| // CHECK-EXE-LABEL: <__AArch64AbsLongThunk_>: |
| // CHECK-EXE-NEXT: 300000a0: ldr x16, 0x300000a8 <__AArch64AbsLongThunk_+0x8> |
| // CHECK-EXE-NEXT: br x16 |
| // CHECK-EXE-NEXT: 30 10 00 18 .word 0x18001030 |
| // CHECK-EXE-NEXT: 00 00 00 00 .word 0x00000000 |
| |
| // CHECK-EXE-LABEL: <__AArch64AbsLongThunk_>: |
| // CHECK-EXE-NEXT: 300000b0: ldr x16, 0x300000b8 <__AArch64AbsLongThunk_+0x8> |
| // CHECK-EXE-NEXT: br x16 |
| // CHECK-EXE-NEXT: 3c 10 00 18 .word 0x1800103c |
| // CHECK-EXE-NEXT: 00 00 00 00 .word 0x00000000 |
| |
| // CHECK-EXE-LABEL: <__AArch64AbsLongThunk_>: |
| // CHECK-EXE-NEXT: 300000c0: ldr x16, 0x300000c8 <__AArch64AbsLongThunk_+0x8> |
| // CHECK-EXE-NEXT: br x16 |
| // CHECK-EXE-NEXT: 44 10 00 18 .word 0x18001044 |
| // CHECK-EXE-NEXT: 00 00 00 00 .word 0x00000000 |
| |
| // CHECK-EXE-LABEL: <__AArch64AbsLongThunk_via_plt>: |
| // CHECK-EXE-NEXT: 300000d0: ldr x16, 0x300000d8 <__AArch64AbsLongThunk_via_plt+0x8> |
| // CHECK-EXE-NEXT: br x16 |
| // CHECK-EXE-NEXT: 80 10 00 18 .word 0x18001080 |
| // CHECK-EXE-NEXT: 00 00 00 00 .word 0x00000000 |
| |
| // CHECK-EXE-LABEL: <__AArch64AbsLongThunk_absolute>: |
| // CHECK-EXE-NEXT: 300000e0: ldr x16, 0x300000e8 <__AArch64AbsLongThunk_absolute+0x8> |
| // CHECK-EXE-NEXT: br x16 |
| // CHECK-EXE-NEXT: 00 00 00 f0 .word 0xf0000000 |
| // CHECK-EXE-NEXT: 00 00 00 00 .word 0x00000000 |
| |
| //--- lds |
| PHDRS { |
| low PT_LOAD FLAGS(0x1 | 0x4); |
| mid PT_LOAD FLAGS(0x1 | 0x4); |
| high PT_LOAD FLAGS(0x1 | 0x4); |
| } |
| SECTIONS { |
| .rodata 0x10000000 : { *(.note.gnu.property) } :low |
| .text_low : { *(.text.0) } :low |
| .text 0x18001000 : { *(.text.*) } :mid |
| .plt : { *(.plt) } :mid |
| .text_high 0x30000000 : { *(.long_calls) } :high |
| } |
| |
| //--- shared |
| .text |
| .global via_plt |
| .type via_plt, %function |
| via_plt: |
| ret |
