// REQUIRES: arm
// RUN: rm -rf %t && split-file %s %t
// RUN: llvm-mc -arm-add-build-attributes -filetype=obj -triple=armv4t-none-linux-gnueabi %t/a.s -o %t/a.o
// RUN: ld.lld %t/a.o --script %t/far.lds -o %t/a-far
// RUN: llvm-objdump --no-print-imm-hex -d --no-show-raw-insn --triple=armv4t-none-linux-gnueabi %t/a-far | FileCheck %s --check-prefixes=FAR
// RUN: ld.lld %t/a.o --script %t/near.lds -o %t/a-near
// RUN: llvm-objdump --no-print-imm-hex -d --no-show-raw-insn --triple=armv4t-none-linux-gnueabi %t/a-near | FileCheck %s --check-prefixes=NEAR
// RUN: ld.lld %t/a.o -pie --script %t/far.lds -o %t/a-far-pie
// RUN: llvm-objdump --no-print-imm-hex -d --no-show-raw-insn --triple=armv4t-none-linux-gnueabi %t/a-far-pie | FileCheck %s --check-prefixes=FAR-PIE
// RUN: ld.lld %t/a.o -pie --script %t/near.lds -o %t/a-near-pie
// RUN: llvm-objdump --no-print-imm-hex -d --no-show-raw-insn --triple=armv4t-none-linux-gnueabi %t/a-near-pie | FileCheck %s --check-prefixes=NEAR
// RUN: llvm-mc -arm-add-build-attributes -filetype=obj -triple=armv4teb-none-linux-gnueabi %t/a.s -o %t/a.o
// RUN: ld.lld %t/a.o --script %t/far.lds -o %t/a-far
// RUN: llvm-objdump --no-print-imm-hex -d --no-show-raw-insn --triple=armv4teb-none-linux-gnueabi %t/a-far | FileCheck %s --check-prefixes=FAR-EB
// RUN: ld.lld %t/a.o --script %t/near.lds -o %t/a-near
// RUN: llvm-objdump --no-print-imm-hex -d --no-show-raw-insn --triple=armv4teb-none-linux-gnueabi %t/a-near | FileCheck %s --check-prefixes=NEAR
// RUN: ld.lld %t/a.o -pie --script %t/far.lds -o %t/a-far-pie
// RUN: llvm-objdump --no-print-imm-hex -d --no-show-raw-insn --triple=armv4teb-none-linux-gnueabi %t/a-far-pie | FileCheck %s --check-prefixes=FAR-EB-PIE
// RUN: ld.lld %t/a.o -pie --script %t/near.lds -o %t/a-near-pie
// RUN: llvm-objdump --no-print-imm-hex -d --no-show-raw-insn --triple=armv4teb-none-linux-gnueabi %t/a-near-pie | FileCheck %s --check-prefixes=NEAR
/// On Armv4T there is no blx instruction so long branch/exchange looks slightly
/// different.
#--- a.s
.text
.syntax unified
.cpu arm7tdmi
.section .low, "ax", %progbits
.arm
.globl _start
.type _start,%function
.p2align 2
_start:
bl target
bx lr
.thumb
.globl thumb_start
.type thumb_start,%function
.p2align 2
thumb_start:
bl thumb_target
bx lr
// FAR-LABEL: <_start>:
// FAR-NEXT: 1000000: bl 0x1000010 <__ARMv5LongLdrPcThunk_target> @ imm = #8
// FAR-NEXT: bx lr
// FAR-EMPTY:
// FAR-LABEL: <thumb_start>:
// FAR-NEXT: 1000008: bl 0x1000018 <__Thumbv4ABSLongThunk_thumb_target> @ imm = #12
// FAR-NEXT: bx lr
// FAR-NEXT: bmi 0xffffba @ imm = #-88
// FAR-EMPTY:
// FAR-NEXT: <__ARMv5LongLdrPcThunk_target>:
// FAR-NEXT: 1000010: ldr pc, [pc, #-4] @ 0x1000014 <__ARMv5LongLdrPcThunk_target+0x4>
// FAR-NEXT: 1000014: 00 00 00 06 .word 0x06000000
// FAR-EMPTY:
// FAR-NEXT: <__Thumbv4ABSLongThunk_thumb_target>:
// FAR-NEXT: 1000018: bx pc
// FAR-NEXT: b 0x1000018 <__Thumbv4ABSLongThunk_thumb_target> @ imm = #-6
// FAR-NEXT: 100001c: ldr r12, [pc] @ 0x1000024 <__Thumbv4ABSLongThunk_thumb_target+0xc>
// FAR-NEXT: bx r12
// FAR-NEXT: 1000024: 05 00 00 06 .word 0x06000005
// FAR-EB-LABEL: <_start>:
// FAR-EB-NEXT: 1000000: bl 0x1000010 <__ARMv5LongLdrPcThunk_target> @ imm = #8
// FAR-EB-NEXT: bx lr
// FAR-EB-EMPTY:
// FAR-EB-LABEL: <thumb_start>:
// FAR-EB-NEXT: 1000008: bl 0x1000018 <__Thumbv4ABSLongThunk_thumb_target> @ imm = #12
// FAR-EB-NEXT: bx lr
// FAR-EB-NEXT: bmi 0xffffba @ imm = #-88
// FAR-EB-EMPTY:
// FAR-EB-NEXT: <__ARMv5LongLdrPcThunk_target>:
// FAR-EB-NEXT: 1000010: ldr pc, [pc, #-4] @ 0x1000014 <__ARMv5LongLdrPcThunk_target+0x4>
// FAR-EB-NEXT: 1000014: 06 00 00 00 .word 0x06000000
// FAR-EB-EMPTY:
// FAR-EB-NEXT: <__Thumbv4ABSLongThunk_thumb_target>:
// FAR-EB-NEXT: 1000018: bx pc
// FAR-EB-NEXT: b 0x1000018 <__Thumbv4ABSLongThunk_thumb_target> @ imm = #-6
// FAR-EB-NEXT: 100001c: ldr r12, [pc] @ 0x1000024 <__Thumbv4ABSLongThunk_thumb_target+0xc>
// FAR-EB-NEXT: bx r12
// FAR-EB-NEXT: 1000024: 06 00 00 05 .word 0x06000005
// FAR-PIE-LABEL: <_start>:
// FAR-PIE-NEXT: 1000000: bl 0x1000010 <__ARMv4PILongThunk_target> @ imm = #8
// FAR-PIE-NEXT: bx lr
// FAR-PIE-EMPTY:
// FAR-PIE-NEXT: <thumb_start>:
// FAR-PIE-NEXT: 1000008: bl 0x100001c <__Thumbv4PILongThunk_thumb_target> @ imm = #16
// FAR-PIE-NEXT: bx lr
// FAR-PIE-NEXT: bmi 0xffffba @ imm = #-88
// FAR-PIE-EMPTY:
// FAR-PIE-NEXT: <__ARMv4PILongThunk_target>:
// FAR-PIE-NEXT: 1000010: ldr r12, [pc] @ 0x1000018 <__ARMv4PILongThunk_target+0x8>
// FAR-PIE-NEXT: add pc, pc, r12
// FAR-PIE-NEXT: 1000018: e4 ff ff 04 .word 0x04ffffe4
// FAR-PIE-EMPTY:
// FAR-PIE-NEXT: <__Thumbv4PILongThunk_thumb_target>:
// FAR-PIE-NEXT: 100001c: bx pc
// FAR-PIE-NEXT: b 0x100001c <__Thumbv4PILongThunk_thumb_target> @ imm = #-6
// FAR-PIE-NEXT: 1000020: ldr r12, [pc, #4] @ 0x100002c <__Thumbv4PILongThunk_thumb_target+0x10>
// FAR-PIE-NEXT: add r12, pc, r12
// FAR-PIE-NEXT: bx r12
// FAR-PIE-NEXT: 100002c: d9 ff ff 04 .word 0x04ffffd9
// FAR-EB-PIE-LABEL: <_start>:
// FAR-EB-PIE-NEXT: 1000000: bl 0x1000010 <__ARMv4PILongThunk_target> @ imm = #8
// FAR-EB-PIE-NEXT: bx lr
// FAR-EB-PIE-EMPTY:
// FAR-EB-PIE-NEXT: <thumb_start>:
// FAR-EB-PIE-NEXT: 1000008: bl 0x100001c <__Thumbv4PILongThunk_thumb_target> @ imm = #16
// FAR-EB-PIE-NEXT: bx lr
// FAR-EB-PIE-NEXT: bmi 0xffffba @ imm = #-88
// FAR-EB-PIE-EMPTY:
// FAR-EB-PIE-NEXT: <__ARMv4PILongThunk_target>:
// FAR-EB-PIE-NEXT: 1000010: ldr r12, [pc] @ 0x1000018 <__ARMv4PILongThunk_target+0x8>
// FAR-EB-PIE-NEXT: add pc, pc, r12
// FAR-EB-PIE-NEXT: 1000018: 04 ff ff e4 .word 0x04ffffe4
// FAR-EB-PIE-EMPTY:
// FAR-EB-PIE-NEXT: <__Thumbv4PILongThunk_thumb_target>:
// FAR-EB-PIE-NEXT: 100001c: bx pc
// FAR-EB-PIE-NEXT: b 0x100001c <__Thumbv4PILongThunk_thumb_target> @ imm = #-6
// FAR-EB-PIE-NEXT: 1000020: ldr r12, [pc, #4] @ 0x100002c <__Thumbv4PILongThunk_thumb_target+0x10>
// FAR-EB-PIE-NEXT: add r12, pc, r12
// FAR-EB-PIE-NEXT: bx r12
// FAR-EB-PIE-NEXT: 100002c: 04 ff ff d9 .word 0x04ffffd9
// NEAR-LABEL: <_start>:
// NEAR-NEXT: 1000000: bl 0x1000010 <target> @ imm = #8
// NEAR-NEXT: bx lr
// NEAR-EMPTY:
// NEAR-LABEL: <thumb_start>:
// NEAR-NEXT: 1000008: bl 0x1000014 <thumb_target> @ imm = #8
// NEAR-NEXT: bx lr
.section .high, "ax", %progbits
.arm
.globl target
.type target,%function
target:
bx lr
.thumb
.globl thumb_target
.type thumb_target,%function
thumb_target:
bx lr
// FAR-LABEL: <target>:
// FAR-NEXT: 6000000: bx lr
// FAR-EMPTY:
// FAR-LABEL: <thumb_target>:
// FAR-NEXT: 6000004: bx lr
// FAR-PIE-LABEL: <target>:
// FAR-PIE-NEXT: 6000000: bx lr
// FAR-PIE-EMPTY:
// FAR-PIE-LABEL: <thumb_target>:
// FAR-PIE-NEXT: 6000004: bx lr
// NEAR-LABEL: <target>:
// NEAR-LABEL: 1000010: bx lr
// NEAR-EMPTY:
// NEAR-NEXT: <thumb_target>:
// NEAR-NEXT: 1000014: bx lr
#--- far.lds
SECTIONS {
. = SIZEOF_HEADERS;
.low 0x01000000 : { *(.low) }
.high 0x06000000 : { *(.high) }
}
#--- near.lds
SECTIONS {
. = SIZEOF_HEADERS;
.all 0x01000000 : { *(.low) *(.high) }
}
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