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| # RUN: ld64.lld -arch armv7 -r -print_atoms %s \
# RUN: %p/Inputs/arm-interworking.yaml -o %t | FileCheck %s \
# RUN: && ld64.lld -arch armv7 -dylib -print_atoms \
# RUN: %p/Inputs/armv7/libSystem.yaml %t -o %t2 | FileCheck %s \
# RUN: && llvm-readobj -S --section-data %t2 | FileCheck -check-prefix=CODE %s
#
# Test thumb and arm branches round trip through -r.
# Test bl/blx instructions are fixed up properly.
#
#
--- !mach-o
arch: armv7
file-type: MH_OBJECT
flags: [ MH_SUBSECTIONS_VIA_SYMBOLS ]
sections:
- segment: __TEXT
section: __text
type: S_REGULAR
attributes: [ S_ATTR_PURE_INSTRUCTIONS, S_ATTR_SOME_INSTRUCTIONS ]
alignment: 2
address: 0x0000000000000000
content: [ 0xFF, 0xF7, 0xFE, 0xFF, 0xC0, 0x46, 0xFF, 0xF7,
0xFC, 0xEF, 0xC0, 0x46, 0xFF, 0xF7, 0xF8, 0xEF,
0xFF, 0xF7, 0xF6, 0xFF, 0xC0, 0x46, 0xFF, 0xF7,
0xF3, 0xFF, 0xC0, 0x46, 0x00, 0xF0, 0x06, 0xE8,
0xC0, 0x46, 0x00, 0xF0, 0x03, 0xF8, 0x00, 0xF0,
0x02, 0xF8, 0x70, 0x47, 0x70, 0x47, 0x70, 0x47 ]
relocations:
- offset: 0x00000026
type: ARM_THUMB_RELOC_BR22
length: 2
pc-rel: true
extern: false
symbol: 1
- offset: 0x00000022
type: ARM_THUMB_RELOC_BR22
length: 2
pc-rel: true
extern: false
symbol: 1
- offset: 0x0000001C
type: ARM_THUMB_RELOC_BR22
length: 2
pc-rel: true
extern: false
symbol: 1
- offset: 0x00000016
type: ARM_THUMB_RELOC_BR22
length: 2
pc-rel: true
extern: false
symbol: 1
- offset: 0x00000010
type: ARM_THUMB_RELOC_BR22
length: 2
pc-rel: true
extern: false
symbol: 1
- offset: 0x0000000C
type: ARM_THUMB_RELOC_BR22
length: 2
pc-rel: true
extern: true
symbol: 5
- offset: 0x00000006
type: ARM_THUMB_RELOC_BR22
length: 2
pc-rel: true
extern: true
symbol: 5
- offset: 0x00000000
type: ARM_THUMB_RELOC_BR22
length: 2
pc-rel: true
extern: true
symbol: 4
- segment: __DATA
section: __data
type: S_REGULAR
attributes: [ ]
address: 0x0000000000000030
content: [ 0x2D, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 ]
relocations:
- offset: 0x00000004
type: ARM_RELOC_VANILLA
length: 2
pc-rel: false
extern: true
symbol: 4
- offset: 0x00000000
type: ARM_RELOC_VANILLA
length: 2
pc-rel: false
extern: false
symbol: 1
local-symbols:
- name: _t3
type: N_SECT
sect: 1
desc: [ N_ARM_THUMB_DEF ]
value: 0x000000000000002E
- name: _d1
type: N_SECT
sect: 2
value: 0x0000000000000030
global-symbols:
- name: _t1
type: N_SECT
scope: [ N_EXT ]
sect: 1
desc: [ N_ARM_THUMB_DEF ]
value: 0x0000000000000000
- name: _t2
type: N_SECT
scope: [ N_EXT ]
sect: 1
desc: [ N_ARM_THUMB_DEF ]
value: 0x000000000000002C
undefined-symbols:
- name: _a1
type: N_UNDF
scope: [ N_EXT ]
value: 0x0000000000000000
- name: _a2
type: N_UNDF
scope: [ N_EXT ]
value: 0x0000000000000000
...
# CHECK: defined-atoms:
# CHECK: - name: _d1
# CHECK: type: data
# CHECK: references:
# CHECK: - kind: pointer32
# CHECK: offset: 0
# CHECK: target: _t2
# CHECK: - kind: pointer32
# CHECK: offset: 4
# CHECK: target: _a1
# CHECK: - name: _d2
# CHECK: type: data
# CHECK: references:
# CHECK: - kind: pointer32
# CHECK: offset: 0
# CHECK: target: _t1
# CHECK: - kind: pointer32
# CHECK: offset: 4
# CHECK: target: _a1
# CHECK: - name: _t1
# CHECK: scope: global
# CHECK: references:
# CHECK: - kind: modeThumbCode
# CHECK: offset: 0
# CHECK: target: _t1
# CHECK: - kind: thumb_bl22
# CHECK: offset: 0
# CHECK: target: _a1
# CHECK: - kind: thumb_bl22
# CHECK: offset: 6
# CHECK: target: _a2
# CHECK: - kind: thumb_bl22
# CHECK: offset: 12
# CHECK: target: _a2
# CHECK: - kind: thumb_bl22
# CHECK: offset: 16
# CHECK: target: _t1
# CHECK: - kind: thumb_bl22
# CHECK: offset: 22
# CHECK: target: _t1
# CHECK: - kind: thumb_bl22
# CHECK: offset: 28
# CHECK: target: _t2
# CHECK: - kind: thumb_bl22
# CHECK: offset: 34
# CHECK: target: _t2
# CHECK: - kind: thumb_bl22
# CHECK: offset: 38
# CHECK: target: _t3
# CHECK: - name: _t2
# CHECK: scope: global
# CHECK: content: [ 70, 47 ]
# CHECK: references:
# CHECK: - kind: modeThumbCode
# CHECK: offset: 0
# CHECK: target: _t2
# CHECK: - name: _t3
# CHECK: content: [ 70, 47 ]
# CHECK: references:
# CHECK: - kind: modeThumbCode
# CHECK: offset: 0
# CHECK: target: _t3
# CHECK: - name: _a1
# CHECK: scope: global
# CHECK: references:
# CHECK: - kind: arm_bl24
# CHECK: offset: 0
# CHECK: target: _a1
# CHECK: - kind: arm_bl24
# CHECK: offset: 4
# CHECK: target: _a2
# CHECK: - kind: arm_bl24
# CHECK: offset: 8
# CHECK: target: _t1
# CHECK: - kind: arm_bl24
# CHECK: offset: 12
# CHECK: target: _t2
# CHECK: - name: _a2
# CHECK: scope: global
# CODE: Name: __text (5F 5F 74 65 78 74 00 00 00 00 00 00 00 00 00 00)
# CODE: Segment: __TEXT (5F 5F 54 45 58 54 00 00 00 00 00 00 00 00 00 00)
# CODE: SectionData (
# CODE: 0000: 00F016E8 C04600F0 1EE8C046 00F01AE8
# CODE: 0010: FFF7F6FF C046FFF7 F3FFC046 00F006F8
# CODE: 0020: C04600F0 03F800F0 02F87047 70477047
# CODE: 0030: FEFFFFEB 020000EB F0FFFFFA FAFFFFFA
# CODE: 0040: 1EFF2FE1 1EFF2FE1
# CODE: )
# CODE: Name: __data (5F 5F 64 61 74 61 00 00 00 00 00 00 00 00 00 00)
# CODE: Segment: __DATA (5F 5F 44 41 54 41 00 00 00 00 00 00 00 00 00 00)
# CODE: SectionData (
# CODE: 0000: E50F0000 E80F0000 B90F0000 E80F0000
# CODE: )
# When we get a good mach-o disassembler the above __text section content check can be change to be symbolic.
# Verify the low (thumb) bit is set on the first and third pointers but not the second and fourth.
# Input file one:
#
# .align 2
# .code 16
# .globl _t1
# .thumb_func _t1
#_t1:
# bl _a1
# nop
# blx _a2
# nop
# blx _a2
# bl _t1
# nop
# bl _t1
# nop
# blx _t2
# nop
# blx _t2
# bx lr
#
# .globl _t2
# .thumb_func _t2
#_t2:
# bx lr
#
# .data
#_d1: .long _t2
# .long _a1
# Input file two:
#
# .align 2
# .code 32
# .globl _a1
#_a1:
# bl _a1
# blx _a2
# bl _t1
# blx _t2
# bx lr
#
# .globl _a2
#_a2:
# bx lr
#
# .data
#_d2: .long _t1
# .long _a1
|