111 lines
4.5 KiB
ArmAsm
111 lines
4.5 KiB
ArmAsm
// REQUIRES: arm
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// RUN: rm -rf %t && split-file %s %t
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// RUN: llvm-mc -arm-add-build-attributes -filetype=obj -triple=armv4-none-linux-gnueabi %t/a.s -o %t/a.o
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// RUN: ld.lld %t/a.o --script %t/far.lds -o %t/a-far
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// RUN: llvm-objdump --no-print-imm-hex -d --no-show-raw-insn --triple=armv4-none-linux-gnueabi %t/a-far | FileCheck %s --check-prefixes=FAR
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// RUN: ld.lld %t/a.o --script %t/near.lds -o %t/a-near
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// RUN: llvm-objdump --no-print-imm-hex -d --no-show-raw-insn --triple=armv4-none-linux-gnueabi %t/a-near | FileCheck %s --check-prefixes=NEAR
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// RUN: ld.lld %t/a.o -pie --script %t/far.lds -o %t/a-far-pie
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// RUN: llvm-objdump --no-print-imm-hex -d --no-show-raw-insn --triple=armv4-none-linux-gnueabi %t/a-far-pie | FileCheck %s --check-prefixes=FAR-PIE
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// RUN: ld.lld %t/a.o -pie --script %t/near.lds -o %t/a-near-pie
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// RUN: llvm-objdump --no-print-imm-hex -d --no-show-raw-insn --triple=armv4-none-linux-gnueabi %t/a-near-pie | FileCheck %s --check-prefixes=NEAR
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// RUN: llvm-mc -arm-add-build-attributes -filetype=obj -triple=armv4eb-none-linux-gnueabi %t/a.s -o %t/a.o
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// RUN: ld.lld %t/a.o --script %t/far.lds -o %t/a-far
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// RUN: llvm-objdump --no-print-imm-hex -d --no-show-raw-insn --triple=armv4eb-none-linux-gnueabi %t/a-far | FileCheck %s --check-prefixes=FAR-EB
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// RUN: ld.lld %t/a.o --script %t/near.lds -o %t/a-near
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// RUN: llvm-objdump --no-print-imm-hex -d --no-show-raw-insn --triple=armv4eb-none-linux-gnueabi %t/a-near | FileCheck %s --check-prefixes=NEAR
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// RUN: ld.lld %t/a.o -pie --script %t/far.lds -o %t/a-far-pie
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// RUN: llvm-objdump --no-print-imm-hex -d --no-show-raw-insn --triple=armv4eb-none-linux-gnueabi %t/a-far-pie | FileCheck %s --check-prefixes=FAR-EB-PIE
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// RUN: ld.lld %t/a.o -pie --script %t/near.lds -o %t/a-near-pie
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// RUN: llvm-objdump --no-print-imm-hex -d --no-show-raw-insn --triple=armv4eb-none-linux-gnueabi %t/a-near-pie | FileCheck %s --check-prefixes=NEAR
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/// On Armv4 there is no blx instruction so long branch/exchange looks slightly
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/// different.
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//--- a.s
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.text
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.syntax unified
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.cpu arm7tdmi
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.section .low, "ax", %progbits
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.arm
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.globl _start
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.type _start,%function
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.p2align 2
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_start:
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bl target
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mov pc, lr
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// FAR-LABEL: <_start>:
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// FAR-NEXT: 1000000: bl 0x1000008 <__ARMv5LongLdrPcThunk_target> @ imm = #0
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// FAR-NEXT: mov pc, lr
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// FAR-EMPTY:
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// FAR-NEXT: <__ARMv5LongLdrPcThunk_target>:
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// FAR-NEXT: 1000008: ldr pc, [pc, #-4] @ 0x100000c <__ARMv5LongLdrPcThunk_target+0x4>
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// FAR-NEXT: 100000c: 00 00 00 06 .word 0x06000000
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// FAR-EB-LABEL: <_start>:
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// FAR-EB-NEXT: 1000000: bl 0x1000008 <__ARMv5LongLdrPcThunk_target> @ imm = #0
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// FAR-EB-NEXT: mov pc, lr
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// FAR-EB-EMPTY:
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// FAR-EB-NEXT: <__ARMv5LongLdrPcThunk_target>:
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// FAR-EB-NEXT: 1000008: ldr pc, [pc, #-4] @ 0x100000c <__ARMv5LongLdrPcThunk_target+0x4>
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// FAR-EB-NEXT: 100000c: 06 00 00 00 .word 0x06000000
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// FAR-PIE-LABEL: <_start>:
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// FAR-PIE-NEXT: 1000000: bl 0x1000008 <__ARMv4PILongThunk_target> @ imm = #0
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// FAR-PIE-NEXT: mov pc, lr
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// FAR-PIE-EMPTY:
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// FAR-PIE-NEXT: <__ARMv4PILongThunk_target>:
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// FAR-PIE-NEXT: 1000008: ldr r12, [pc] @ 0x1000010 <__ARMv4PILongThunk_target+0x8>
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// FAR-PIE-NEXT: add pc, pc, r12
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// FAR-PIE-NEXT: 1000010: ec ff ff 04 .word 0x04ffffec
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// FAR-EB-PIE-LABEL: <_start>:
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// FAR-EB-PIE-NEXT: 1000000: bl 0x1000008 <__ARMv4PILongThunk_target> @ imm = #0
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// FAR-EB-PIE-NEXT: mov pc, lr
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// FAR-EB-PIE-EMPTY:
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// FAR-EB-PIE-NEXT: <__ARMv4PILongThunk_target>:
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// FAR-EB-PIE-NEXT: 1000008: ldr r12, [pc] @ 0x1000010 <__ARMv4PILongThunk_target+0x8>
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// FAR-EB-PIE-NEXT: add pc, pc, r12
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// FAR-EB-PIE-NEXT: 1000010: 04 ff ff ec .word 0x04ffffec
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// NEAR-LABEL: <_start>:
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// NEAR-NEXT: 1000000: bl 0x1000008 <target> @ imm = #0
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// NEAR-NEXT: mov pc, lr
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.section .high, "ax", %progbits
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.arm
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.globl target
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.type target,%function
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target:
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mov pc, lr
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// FAR-LABEL: <target>:
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// FAR-NEXT: 6000000: mov pc, lr
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// FAR-EB-LABEL: <target>:
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// FAR-EB-NEXT: 6000000: mov pc, lr
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// FAR-PIE-LABEL: <target>:
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// FAR-PIE-NEXT: 6000000: mov pc, lr
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// FAR-EB-PIE-LABEL: <target>:
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// FAR-EB-PIE-NEXT: 6000000: mov pc, lr
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// NEAR-LABEL: <target>:
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// NEAR-LABEL: 1000008: mov pc, lr
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//--- far.lds
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SECTIONS {
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. = SIZEOF_HEADERS;
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.low 0x01000000 : { *(.low) }
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.high 0x06000000 : { *(.high) }
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}
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//--- near.lds
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SECTIONS {
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. = SIZEOF_HEADERS;
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.all 0x01000000 : { *(.low) *(.high) }
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}
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