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// 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-PIE
// 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-EB
// 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-EB-PIE
/// On Arm v4t there is no blx instruction so all interworking must go via
/// a thunk.
#--- a.s
.text
.syntax unified
.cpu arm7tdmi
.section .low, "ax", %progbits
.arm
.globl _start
.type _start,%function
.p2align 2
_start:
bl target
bx lr
// FAR-LABEL: <_start>:
// FAR-NEXT: 1000000: bl 0x1000008 <__ARMv4ABSLongBXThunk_target> @ imm = #0
// FAR-NEXT: bx lr
// FAR-EMPTY:
// FAR-NEXT: <__ARMv4ABSLongBXThunk_target>:
// FAR-NEXT: 1000008: ldr r12, [pc] @ 0x1000010 <__ARMv4ABSLongBXThunk_target+0x8>
// FAR-NEXT: bx r12
// FAR-EMPTY:
// FAR-NEXT: <$d>:
// FAR-NEXT: 1000010: 01 00 00 06 .word 0x06000001
// FAR-EB-LABEL: <_start>:
// FAR-EB-NEXT: 1000000: bl 0x1000008 <__ARMv4ABSLongBXThunk_target> @ imm = #0
// FAR-EB-NEXT: bx lr
// FAR-EB-EMPTY:
// FAR-EB-NEXT: <__ARMv4ABSLongBXThunk_target>:
// FAR-EB-NEXT: 1000008: ldr r12, [pc] @ 0x1000010 <__ARMv4ABSLongBXThunk_target+0x8>
// FAR-EB-NEXT: bx r12
// FAR-EB-EMPTY:
// FAR-EB-NEXT: <$d>:
// FAR-EB-NEXT: 1000010: 06 00 00 01 .word 0x06000001
// NEAR-LABEL: <_start>:
// NEAR-NEXT: 1000000: bl 0x1000008 <__ARMv4ABSLongBXThunk_target> @ imm = #0
// NEAR-NEXT: bx lr
// NEAR-EMPTY:
// NEAR-NEXT: <__ARMv4ABSLongBXThunk_target>:
// NEAR-NEXT: 1000008: ldr r12, [pc] @ 0x1000010 <__ARMv4ABSLongBXThunk_target+0x8>
// NEAR-NEXT: bx r12
// NEAR-EMPTY:
// NEAR-NEXT: <$d>:
// NEAR-NEXT: 1000010: 15 00 00 01 .word 0x01000015
// NEAR-EB-LABEL: <_start>:
// NEAR-EB-NEXT: 1000000: bl 0x1000008 <__ARMv4ABSLongBXThunk_target> @ imm = #0
// NEAR-EB-NEXT: bx lr
// NEAR-EB-EMPTY:
// NEAR-EB-NEXT: <__ARMv4ABSLongBXThunk_target>:
// NEAR-EB-NEXT: 1000008: ldr r12, [pc] @ 0x1000010 <__ARMv4ABSLongBXThunk_target+0x8>
// NEAR-EB-NEXT: bx r12
// NEAR-EB-EMPTY:
// NEAR-EB-NEXT: <$d>:
// NEAR-EB-NEXT: 1000010: 01 00 00 15 .word 0x01000015
// FAR-PIE-LABEL: <_start>:
// FAR-PIE-NEXT: 1000000: bl 0x1000008 <__ARMv4PILongBXThunk_target> @ imm = #0
// FAR-PIE-NEXT: bx lr
// FAR-PIE-EMPTY:
// FAR-PIE-NEXT: <__ARMv4PILongBXThunk_target>:
// FAR-PIE-NEXT: 1000008: ldr r12, [pc, #4] @ 0x1000014 <__ARMv4PILongBXThunk_target+0xc>
// FAR-PIE-NEXT: add r12, pc, r12
// FAR-PIE-NEXT: bx r12
// FAR-PIE-EMPTY:
// FAR-PIE-NEXT: <$d>:
// FAR-PIE-NEXT: 1000014: ed ff ff 04 .word 0x04ffffed
// FAR-EB-PIE-LABEL: <_start>:
// FAR-EB-PIE-NEXT: 1000000: bl 0x1000008 <__ARMv4PILongBXThunk_target> @ imm = #0
// FAR-EB-PIE-NEXT: bx lr
// FAR-EB-PIE-EMPTY:
// FAR-EB-PIE-NEXT: <__ARMv4PILongBXThunk_target>:
// FAR-EB-PIE-NEXT: 1000008: ldr r12, [pc, #4] @ 0x1000014 <__ARMv4PILongBXThunk_target+0xc>
// FAR-EB-PIE-NEXT: add r12, pc, r12
// FAR-EB-PIE-NEXT: bx r12
// FAR-EB-PIE-EMPTY:
// FAR-EB-PIE-NEXT: <$d>:
// FAR-EB-PIE-NEXT: 1000014: 04 ff ff ed .word 0x04ffffed
// NEAR-PIE-LABEL: <_start>:
// NEAR-PIE-NEXT: 1000000: bl 0x1000008 <__ARMv4PILongBXThunk_target> @ imm = #0
// NEAR-PIE-NEXT: bx lr
// NEAR-PIE-EMPTY:
// NEAR-PIE-NEXT: <__ARMv4PILongBXThunk_target>:
// NEAR-PIE-NEXT: 1000008: ldr r12, [pc, #4] @ 0x1000014 <__ARMv4PILongBXThunk_target+0xc>
// NEAR-PIE-NEXT: add r12, pc, r12
// NEAR-PIE-NEXT: bx r12
// NEAR-PIE-EMPTY:
// NEAR-PIE-NEXT: <$d>:
// NEAR-PIE-NEXT: 1000014: 05 00 00 00 .word 0x00000005
// NEAR-EB-PIE-LABEL: <_start>:
// NEAR-EB-PIE-NEXT: 1000000: bl 0x1000008 <__ARMv4PILongBXThunk_target> @ imm = #0
// NEAR-EB-PIE-NEXT: bx lr
// NEAR-EB-PIE-EMPTY:
// NEAR-EB-PIE-NEXT: <__ARMv4PILongBXThunk_target>:
// NEAR-EB-PIE-NEXT: 1000008: ldr r12, [pc, #4] @ 0x1000014 <__ARMv4PILongBXThunk_target+0xc>
// NEAR-EB-PIE-NEXT: add r12, pc, r12
// NEAR-EB-PIE-NEXT: bx r12
// NEAR-EB-PIE-EMPTY:
// NEAR-EB-PIE-NEXT: <$d>:
// NEAR-EB-PIE-NEXT: 1000014: 00 00 00 05 .word 0x00000005
.section .high, "ax", %progbits
.thumb
.globl target
.type target,%function
target:
bl _start
bx lr
// FAR-LABEL: <target>:
// FAR-NEXT: 6000000: bl 0x6000008 <__Thumbv4ABSLongBXThunk__start> @ imm = #4
// FAR-NEXT: bx lr
// FAR-NEXT: bmi 0x5ffffb2 <__ARMv4ABSLongBXThunk_target+0x4ffffaa> @ imm = #-88
// FAR-EMPTY:
// FAR-NEXT: <__Thumbv4ABSLongBXThunk__start>:
// FAR-NEXT: 6000008: bx pc
// FAR-NEXT: b 0x6000008 <__Thumbv4ABSLongBXThunk__start> @ imm = #-6
// FAR-EMPTY:
// FAR-NEXT: <$a>:
// FAR-NEXT: 600000c: ldr pc, [pc, #-4] @ 0x6000010 <__Thumbv4ABSLongBXThunk__start+0x8>
// FAR-EMPTY:
// FAR-NEXT: <$d>:
// FAR-NEXT: 6000010: 00 00 00 01 .word 0x01000000
// FAR-EB-LABEL: <target>:
// FAR-EB-NEXT: 6000000: bl 0x6000008 <__Thumbv4ABSLongBXThunk__start> @ imm = #4
// FAR-EB-NEXT: bx lr
// FAR-EB-NEXT: bmi 0x5ffffb2 <__ARMv4ABSLongBXThunk_target+0x4ffffaa> @ imm = #-88
// FAR-EB-EMPTY:
// FAR-EB-NEXT: <__Thumbv4ABSLongBXThunk__start>:
// FAR-EB-NEXT: 6000008: bx pc
// FAR-EB-NEXT: b 0x6000008 <__Thumbv4ABSLongBXThunk__start> @ imm = #-6
// FAR-EB-EMPTY:
// FAR-EB-NEXT: <$a>:
// FAR-EB-NEXT: 600000c: ldr pc, [pc, #-4] @ 0x6000010 <__Thumbv4ABSLongBXThunk__start+0x8>
// FAR-EB-EMPTY:
// FAR-EB-NEXT: <$d>:
// FAR-EB-NEXT: 6000010: 01 00 00 00 .word 0x01000000
// NEAR-LABEL: <target>:
// NEAR-NEXT: 1000014: bl 0x100001c <__Thumbv4ABSLongBXThunk__start> @ imm = #4
// NEAR-NEXT: bx lr
// NEAR-NEXT: bmi 0xffffc6 @ imm = #-88
// NEAR-EMPTY:
// NEAR-NEXT: <__Thumbv4ABSLongBXThunk__start>:
// NEAR-NEXT: 100001c: bx pc
// NEAR-NEXT: b 0x100001c <__Thumbv4ABSLongBXThunk__start> @ imm = #-6
// NEAR-EMPTY:
// NEAR-NEXT: <$a>:
// NEAR-NEXT: 1000020: ldr pc, [pc, #-4] @ 0x1000024 <__Thumbv4ABSLongBXThunk__start+0x8>
// NEAR-EMPTY:
// NEAR-NEXT: <$d>:
// NEAR-NEXT: 1000024: 00 00 00 01 .word 0x01000000
// NEAR-EB-LABEL: <target>:
// NEAR-EB-NEXT: 1000014: bl 0x100001c <__Thumbv4ABSLongBXThunk__start> @ imm = #4
// NEAR-EB-NEXT: bx lr
// NEAR-EB-NEXT: bmi 0xffffc6 @ imm = #-88
// NEAR-EB-EMPTY:
// NEAR-EB-NEXT: <__Thumbv4ABSLongBXThunk__start>:
// NEAR-EB-NEXT: 100001c: bx pc
// NEAR-EB-NEXT: b 0x100001c <__Thumbv4ABSLongBXThunk__start> @ imm = #-6
// NEAR-EB-EMPTY:
// NEAR-EB-NEXT: <$a>:
// NEAR-EB-NEXT: 1000020: ldr pc, [pc, #-4] @ 0x1000024 <__Thumbv4ABSLongBXThunk__start+0x8>
// NEAR-EB-EMPTY:
// NEAR-EB-NEXT: <$d>:
// NEAR-EB-NEXT: 1000024: 01 00 00 00 .word 0x01000000
// FAR-PIE-LABEL: <target>:
// FAR-PIE-NEXT: 6000000: bl 0x6000008 <__Thumbv4PILongBXThunk__start> @ imm = #4
// FAR-PIE-NEXT: bx lr
// FAR-PIE-NEXT: bmi 0x5ffffb2 <__ARMv4PILongBXThunk_target+0x4ffffaa> @ imm = #-88
// FAR-PIE-EMPTY:
// FAR-PIE-NEXT: <__Thumbv4PILongBXThunk__start>:
// FAR-PIE-NEXT: 6000008: bx pc
// FAR-PIE-NEXT: b 0x6000008 <__Thumbv4PILongBXThunk__start> @ imm = #-6
// FAR-PIE-EMPTY:
// FAR-PIE-NEXT: <$a>:
// FAR-PIE-NEXT: 600000c: ldr r12, [pc] @ 0x6000014 <__Thumbv4PILongBXThunk__start+0xc>
// FAR-PIE-NEXT: add pc, r12, pc
// FAR-PIE-EMPTY:
// FAR-PIE-NEXT: <$d>:
// FAR-PIE-NEXT: 6000014: e8 ff ff fa .word 0xfaffffe8
// FAR-EB-PIE-LABEL: <target>:
// FAR-EB-PIE-NEXT: 6000000: bl 0x6000008 <__Thumbv4PILongBXThunk__start> @ imm = #4
// FAR-EB-PIE-NEXT: bx lr
// FAR-EB-PIE-NEXT: bmi 0x5ffffb2 <__ARMv4PILongBXThunk_target+0x4ffffaa> @ imm = #-88
// FAR-EB-PIE-EMPTY:
// FAR-EB-PIE-NEXT: <__Thumbv4PILongBXThunk__start>:
// FAR-EB-PIE-NEXT: 6000008: bx pc
// FAR-EB-PIE-NEXT: b 0x6000008 <__Thumbv4PILongBXThunk__start> @ imm = #-6
// FAR-EB-PIE-EMPTY:
// FAR-EB-PIE-NEXT: <$a>:
// FAR-EB-PIE-NEXT: 600000c: ldr r12, [pc] @ 0x6000014 <__Thumbv4PILongBXThunk__start+0xc>
// FAR-EB-PIE-NEXT: add pc, r12, pc
// FAR-EB-PIE-EMPTY:
// FAR-EB-PIE-NEXT: <$d>:
// FAR-EB-PIE-NEXT: 6000014: fa ff ff e8 .word 0xfaffffe8
// NEAR-PIE-LABEL: <target>:
// NEAR-PIE-NEXT: 1000018: bl 0x1000020 <__Thumbv4PILongBXThunk__start> @ imm = #4
// NEAR-PIE-NEXT: bx lr
// NEAR-PIE-NEXT: bmi 0xffffca @ imm = #-88
// NEAR-PIE-EMPTY:
// NEAR-PIE-NEXT: <__Thumbv4PILongBXThunk__start>:
// NEAR-PIE-NEXT: 1000020: bx pc
// NEAR-PIE-NEXT: b 0x1000020 <__Thumbv4PILongBXThunk__start> @ imm = #-6
// NEAR-PIE-EMPTY:
// NEAR-PIE-NEXT: <$a>:
// NEAR-PIE-NEXT: 1000024: ldr r12, [pc] @ 0x100002c <__Thumbv4PILongBXThunk__start+0xc>
// NEAR-PIE-NEXT: add pc, r12, pc
// NEAR-PIE-EMPTY:
// NEAR-PIE-NEXT: <$d>:
// NEAR-PIE-NEXT: 100002c: d0 ff ff ff .word 0xffffffd0
// NEAR-EB-PIE-LABEL: <target>:
// NEAR-EB-PIE-NEXT: 1000018: bl 0x1000020 <__Thumbv4PILongBXThunk__start> @ imm = #4
// NEAR-EB-PIE-NEXT: bx lr
// NEAR-EB-PIE-NEXT: bmi 0xffffca @ imm = #-88
// NEAR-EB-PIE-EMPTY:
// NEAR-EB-PIE-NEXT: <__Thumbv4PILongBXThunk__start>:
// NEAR-EB-PIE-NEXT: 1000020: bx pc
// NEAR-EB-PIE-NEXT: b 0x1000020 <__Thumbv4PILongBXThunk__start> @ imm = #-6
// NEAR-EB-PIE-EMPTY:
// NEAR-EB-PIE-NEXT: <$a>:
// NEAR-EB-PIE-NEXT: 1000024: ldr r12, [pc] @ 0x100002c <__Thumbv4PILongBXThunk__start+0xc>
// NEAR-EB-PIE-NEXT: add pc, r12, pc
// NEAR-EB-PIE-EMPTY:
// NEAR-EB-PIE-NEXT: <$d>:
// NEAR-EB-PIE-NEXT: 100002c: ff ff ff d0 .word 0xffffffd0
#--- far.lds
SECTIONS {
. = SIZEOF_HEADERS;
.low 0x01000000 : { *(.low) }
.high 0x06000000 : { *(.high) }
}
#--- near.lds
SECTIONS {
. = SIZEOF_HEADERS;
.all 0x01000000 : { *(.low) *(.high) }
}
|
