forked from OSchip/llvm-project
76 lines
2.3 KiB
ArmAsm
76 lines
2.3 KiB
ArmAsm
// REQUIRES: aarch64
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// RUN: split-file %s %t
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// RUN: llvm-mc -filetype=obj -triple=aarch64 %t/asm -o %t.o
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// RUN: ld.lld --script %t/lds %t.o -o %t/out
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// RUN: llvm-objdump -d --no-show-raw-insn --print-imm-hex %t/out | FileCheck %s
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// RUN: llvm-nm --no-sort --special-syms %t/out | FileCheck --check-prefix=NM %s
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//--- asm
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// Check that we have the out of branch range calculation right. The immediate
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// field is signed so we have a slightly higher negative displacement.
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.section .text_low, "ax", %progbits
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.globl _start
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.type _start, %function
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_start:
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// Need thunk to high_target@plt
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bl high_target
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// Need thunk to .text_high+4
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bl .text_high+4
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ret
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.section .text_high, "ax", %progbits
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.globl high_target
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.type high_target, %function
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high_target:
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// No Thunk needed as we are within signed immediate range
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bl _start
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ret
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// CHECK: Disassembly of section .text_low:
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// CHECK-EMPTY:
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// CHECK-NEXT: <_start>:
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// CHECK-NEXT: 2000: bl 0x200c <__AArch64AbsLongThunk_high_target>
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// CHECK-NEXT: 2004: bl 0x201c <__AArch64AbsLongThunk_>
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// CHECK-NEXT: ret
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// CHECK: <__AArch64AbsLongThunk_high_target>:
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// CHECK-NEXT: 200c: ldr x16, 0x2014
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// CHECK-NEXT: br x16
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// CHECK: <$d>:
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// CHECK-NEXT: 2014: 00 20 00 08 .word 0x08002000
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// CHECK-NEXT: 2018: 00 00 00 00 .word 0x00000000
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// CHECK: <__AArch64AbsLongThunk_>:
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// CHECK-NEXT: 201c: ldr x16, 0x2024
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// CHECK-NEXT: 2020: br x16
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// CHECK: <$d>:
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// CHECK-NEXT: 2024: 04 20 00 08 .word 0x08002004
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// CHECK-NEXT: 2028: 00 00 00 00 .word 0x00000000
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// CHECK: Disassembly of section .text_high:
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// CHECK-EMPTY:
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// CHECK-NEXT: <high_target>:
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// CHECK-NEXT: 8002000: bl 0x2000 <_start>
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// CHECK-NEXT: ret
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/// Local symbols copied from %t.o
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// NM: t $x.0
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// NM-NEXT: t $x.1
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/// Local thunk symbols.
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// NM-NEXT: t __AArch64AbsLongThunk_high_target
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// NM-NEXT: t $x
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// NM-NEXT: t $d
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// NM-NEXT: t __AArch64AbsLongThunk_{{$}}
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// NM-NEXT: t $x
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// NM-NEXT: t $d
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/// Global symbols.
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// NM-NEXT: T _start
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// NM-NEXT: T high_target
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//--- lds
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PHDRS {
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low PT_LOAD FLAGS(0x1 | 0x4);
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high PT_LOAD FLAGS(0x1 | 0x4);
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}
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SECTIONS {
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.text_low 0x2000: { *(.text_low) } :low
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.text_high 0x8002000 : { *(.text_high) } :high
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}
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