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| # RUN: ld64.lld -arch x86_64 -r -print_atoms %s -o %t | FileCheck %s \
# RUN: && ld64.lld -arch x86_64 -r -print_atoms %t -o %t2 | FileCheck %s
#
# Test parsing and writing of x86_64 text relocations.
#
# The first step tests if the supplied mach-o file is parsed into the correct
# set of references. The second step verifies relocations can be round-tripped
# by writing to a new .o file, then parsing that file which should result in
# the same references.
#
#_test:
# call _foo
# call _foo+4
# movq _foo@GOTPCREL(%rip), %rax
# pushq _foo@GOTPCREL(%rip)
# movl _foo(%rip), %eax
# movl _foo+4(%rip), %eax
# movb $0x12, _foo(%rip)
# movw $0x1234, _foo(%rip)
# movl $0x12345678, _foo(%rip)
# movl L2(%rip), %eax
# movb $0x12, L2(%rip)
# movw $0x1234, L2(%rip)
# movl $0x12345678, L2(%rip)
#
# .data
#L2: .long 0
--- !mach-o
arch: x86_64
file-type: MH_OBJECT
flags: [ ]
sections:
- segment: __TEXT
section: __text
type: S_REGULAR
attributes: [ S_ATTR_PURE_INSTRUCTIONS, S_ATTR_SOME_INSTRUCTIONS ]
address: 0x0000000000000000
content: [ 0xE8, 0x00, 0x00, 0x00, 0x00, 0xE8, 0x04, 0x00,
0x00, 0x00, 0x48, 0x8B, 0x05, 0x04, 0x00, 0x00,
0x00, 0xFF, 0x35, 0x04, 0x00, 0x00, 0x00, 0x8B,
0x05, 0x00, 0x00, 0x00, 0x00, 0x8B, 0x05, 0x04,
0x00, 0x00, 0x00, 0xC6, 0x05, 0xFF, 0xFF, 0xFF,
0xFF, 0x12, 0x66, 0xC7, 0x05, 0xFE, 0xFF, 0xFF,
0xFF, 0x34, 0x12, 0xC7, 0x05, 0xFC, 0xFF, 0xFF,
0xFF, 0x78, 0x56, 0x34, 0x12, 0x8B, 0x05, 0x1A,
0x00, 0x00, 0x00, 0xc6, 0x05, 0x13, 0x00, 0x00,
0x00, 0x12, 0x66, 0xc7, 0x05, 0x0a, 0x00, 0x00,
0x00, 0x34, 0x12, 0xc7, 0x05, 0x00, 0x00, 0x00,
0x00, 0x78, 0x56, 0x34, 0x12 ]
relocations:
- offset: 0x00000055
type: X86_64_RELOC_SIGNED_4
length: 2
pc-rel: true
extern: false
symbol: 2
- offset: 0x0000004d
type: X86_64_RELOC_SIGNED_2
length: 2
pc-rel: true
extern: false
symbol: 2
- offset: 0x00000045
type: X86_64_RELOC_SIGNED_1
length: 2
pc-rel: true
extern: false
symbol: 2
- offset: 0x0000003F
type: X86_64_RELOC_SIGNED
length: 2
pc-rel: true
extern: false
symbol: 2
- offset: 0x00000035
type: X86_64_RELOC_SIGNED_4
length: 2
pc-rel: true
extern: true
symbol: 1
- offset: 0x0000002D
type: X86_64_RELOC_SIGNED_2
length: 2
pc-rel: true
extern: true
symbol: 1
- offset: 0x00000025
type: X86_64_RELOC_SIGNED_1
length: 2
pc-rel: true
extern: true
symbol: 1
- offset: 0x0000001F
type: X86_64_RELOC_SIGNED
length: 2
pc-rel: true
extern: true
symbol: 1
- offset: 0x00000019
type: X86_64_RELOC_SIGNED
length: 2
pc-rel: true
extern: true
symbol: 1
- offset: 0x00000013
type: X86_64_RELOC_GOT
length: 2
pc-rel: true
extern: true
symbol: 1
- offset: 0x0000000D
type: X86_64_RELOC_GOT_LOAD
length: 2
pc-rel: true
extern: true
symbol: 1
- offset: 0x00000006
type: X86_64_RELOC_BRANCH
length: 2
pc-rel: true
extern: true
symbol: 1
- offset: 0x00000001
type: X86_64_RELOC_BRANCH
length: 2
pc-rel: true
extern: true
symbol: 1
- segment: __DATA
section: __data
type: S_REGULAR
attributes: [ ]
address: 0x000000000000005D
content: [ 0x00, 0x00, 0x00, 0x00 ]
local-symbols:
- name: _test
type: N_SECT
sect: 1
value: 0x0000000000000000
undefined-symbols:
- name: _foo
type: N_UNDF
scope: [ N_EXT ]
value: 0x0000000000000000
...
# CHECK: defined-atoms:
# CHECK: - ref-name: [[LABEL:L[0-9]+]]
# CHECK: type: data
# CHECK: content: [ 00, 00, 00, 00 ]
# CHECK: - name: _test
# CHECK: references:
# CHECK: - kind: branch32
# CHECK: offset: 1
# CHECK: target: _foo
# CHECK: - kind: branch32
# CHECK: offset: 6
# CHECK: target: _foo
# CHECK: addend: 4
# CHECK: - kind: ripRel32GotLoad
# CHECK: offset: 13
# CHECK: target: _foo
# CHECK: addend: 4
# CHECK: - kind: ripRel32Got
# CHECK: offset: 19
# CHECK: target: _foo
# CHECK: addend: 4
# CHECK: - kind: ripRel32
# CHECK: offset: 25
# CHECK: target: _foo
# CHECK: - kind: ripRel32
# CHECK: offset: 31
# CHECK: target: _foo
# CHECK: addend: 4
# CHECK: - kind: ripRel32Minus1
# CHECK: offset: 37
# CHECK: target: _foo
# CHECK-NOT: addend:
# CHECK: - kind: ripRel32Minus2
# CHECK: offset: 45
# CHECK: target: _foo
# CHECK-NOT: addend:
# CHECK: - kind: ripRel32Minus4
# CHECK: offset: 53
# CHECK: target: _foo
# CHECK-NOT: addend:
# CHECK: - kind: ripRel32Anon
# CHECK: offset: 63
# CHECK: target: [[LABEL]]
# CHECK-NOT: addend:
# CHECK: - kind: ripRel32Minus1Anon
# CHECK: offset: 69
# CHECK: target: [[LABEL]]
# CHECK-NOT: addend:
# CHECK: - kind: ripRel32Minus2Anon
# CHECK: offset: 77
# CHECK: target: [[LABEL]]
# CHECK-NOT: addend:
# CHECK: - kind: ripRel32Minus4Anon
# CHECK: offset: 85
# CHECK: target: [[LABEL]]
# CHECK-NOT: addend:
|