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| # RUN: ld64.lld -arch i386 -r -print_atoms %s -o %t | FileCheck %s \
# RUN: && ld64.lld -arch i386 -r -print_atoms %t -o %t2 | FileCheck %s
#
# Test parsing and writing of x86 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.
#
# .text
#_test:
# call _undef
# call _undef+2
# call _foo
# call _foo+2
# callw _undef
# callw _foo
# callw _foo+2
#L1:
# movl _undef, %eax
# movl _x, %eax
# movl _x+4, %eax
# movl _x-L1(%eax), %eax
# movl _x+4-L1(%eax), %eax
#
#_foo:
# ret
#
# .data
#_x:
# .long _undef
# .long _undef+7
# .long _foo
# .long _foo+3
# .long _test - .
# .long _test+3 - .
#
--- !mach-o
arch: x86
file-type: MH_OBJECT
flags: [ MH_SUBSECTIONS_VIA_SYMBOLS ]
OS: unknown
sections:
- segment: __TEXT
section: __text
type: S_REGULAR
attributes: [ S_ATTR_PURE_INSTRUCTIONS, S_ATTR_SOME_INSTRUCTIONS ]
address: 0x0000000000000000
content: [ 0xE8, 0xFB, 0xFF, 0xFF, 0xFF, 0xE8, 0xF8, 0xFF,
0xFF, 0xFF, 0xE8, 0x2C, 0x00, 0x00, 0x00, 0xE8,
0x29, 0x00, 0x00, 0x00, 0x66, 0xE8, 0xE8, 0xFF,
0x66, 0xE8, 0x1F, 0x00, 0x66, 0xE8, 0x1D, 0x00,
0xA1, 0x00, 0x00, 0x00, 0x00, 0xA1, 0x3C, 0x00,
0x00, 0x00, 0xA1, 0x40, 0x00, 0x00, 0x00, 0x8B,
0x80, 0x1C, 0x00, 0x00, 0x00, 0x8B, 0x80, 0x20,
0x00, 0x00, 0x00, 0xC3 ]
relocations:
- offset: 0x00000037
scattered: true
type: GENERIC_RELOC_LOCAL_SECTDIFF
length: 2
pc-rel: false
value: 0x0000003C
- offset: 0x00000000
scattered: true
type: GENERIC_RELOC_PAIR
length: 2
pc-rel: false
value: 0x00000020
- offset: 0x00000031
scattered: true
type: GENERIC_RELOC_LOCAL_SECTDIFF
length: 2
pc-rel: false
value: 0x0000003C
- offset: 0x00000000
scattered: true
type: GENERIC_RELOC_PAIR
length: 2
pc-rel: false
value: 0x00000020
- offset: 0x0000002B
scattered: true
type: GENERIC_RELOC_VANILLA
length: 2
pc-rel: false
value: 0x0000003C
- offset: 0x00000026
type: GENERIC_RELOC_VANILLA
length: 2
pc-rel: false
extern: false
symbol: 2
- offset: 0x00000021
type: GENERIC_RELOC_VANILLA
length: 2
pc-rel: false
extern: true
symbol: 3
- offset: 0x0000001E
scattered: true
type: GENERIC_RELOC_VANILLA
length: 1
pc-rel: true
value: 0x0000003B
- offset: 0x0000001A
type: GENERIC_RELOC_VANILLA
length: 1
pc-rel: true
extern: false
symbol: 1
- offset: 0x00000016
type: GENERIC_RELOC_VANILLA
length: 1
pc-rel: true
extern: true
symbol: 3
- offset: 0x00000010
scattered: true
type: GENERIC_RELOC_VANILLA
length: 2
pc-rel: true
value: 0x0000003B
- offset: 0x0000000B
type: GENERIC_RELOC_VANILLA
length: 2
pc-rel: true
extern: false
symbol: 1
- offset: 0x00000006
type: GENERIC_RELOC_VANILLA
length: 2
pc-rel: true
extern: true
symbol: 3
- offset: 0x00000001
type: GENERIC_RELOC_VANILLA
length: 2
pc-rel: true
extern: true
symbol: 3
- segment: __DATA
section: __data
type: S_REGULAR
attributes: [ ]
address: 0x000000000000003C
content: [ 0x00, 0x00, 0x00, 0x00, 0x07, 0x00, 0x00, 0x00,
0x3B, 0x00, 0x00, 0x00, 0x3E, 0x00, 0x00, 0x00,
0xB4, 0xFF, 0xFF, 0xFF, 0xB3, 0xFF, 0xFF, 0xFF ]
relocations:
- offset: 0x00000014
scattered: true
type: GENERIC_RELOC_LOCAL_SECTDIFF
length: 2
pc-rel: false
value: 0x00000000
- offset: 0x00000000
scattered: true
type: GENERIC_RELOC_PAIR
length: 2
pc-rel: false
value: 0x00000050
- offset: 0x00000010
scattered: true
type: GENERIC_RELOC_LOCAL_SECTDIFF
length: 2
pc-rel: false
value: 0x00000000
- offset: 0x00000000
scattered: true
type: GENERIC_RELOC_PAIR
length: 2
pc-rel: false
value: 0x0000004C
- offset: 0x0000000C
scattered: true
type: GENERIC_RELOC_VANILLA
length: 2
pc-rel: false
value: 0x0000003B
- offset: 0x00000008
type: GENERIC_RELOC_VANILLA
length: 2
pc-rel: false
extern: false
symbol: 1
- offset: 0x00000004
type: GENERIC_RELOC_VANILLA
length: 2
pc-rel: false
extern: true
symbol: 3
- offset: 0x00000000
type: GENERIC_RELOC_VANILLA
length: 2
pc-rel: false
extern: true
symbol: 3
local-symbols:
- name: _test
type: N_SECT
sect: 1
value: 0x0000000000000000
- name: _foo
type: N_SECT
sect: 1
value: 0x000000000000003B
- name: _x
type: N_SECT
sect: 2
value: 0x000000000000003C
undefined-symbols:
- name: _undef
type: N_UNDF
scope: [ N_EXT ]
value: 0x0000000000000000
...
# CHECK: defined-atoms:
# CHECK: - name: _x
# CHECK: type: data
# CHECK: references:
# CHECK: - kind: pointer32
# CHECK: offset: 0
# CHECK: target: _undef
# CHECK-NOT: addend:
# CHECK: - kind: pointer32
# CHECK: offset: 4
# CHECK: target: _undef
# CHECK: addend: 7
# CHECK: - kind: pointer32
# CHECK: offset: 8
# CHECK: target: _foo
# CHECK-NOT: addend:
# CHECK: - kind: pointer32
# CHECK: offset: 12
# CHECK: target: _foo
# CHECK: addend: 3
# CHECK: - kind: delta32
# CHECK: offset: 16
# CHECK: target: _test
# CHECK: - kind: delta32
# CHECK: offset: 20
# CHECK: target: _test
# CHECK: addend: 3
# CHECK: - name: _test
# CHECK: references:
# CHECK: - kind: branch32
# CHECK: offset: 1
# CHECK: target: _undef
# CHECK-NOT: addend:
# CHECK: - kind: branch32
# CHECK: offset: 6
# CHECK: target: _undef
# CHECK: addend: 2
# CHECK: - kind: branch32
# CHECK: offset: 11
# CHECK: target: _foo
# CHECK-NOT: addend:
# CHECK: - kind: branch32
# CHECK: offset: 16
# CHECK: target: _foo
# CHECK: addend: 2
# CHECK: - kind: branch16
# CHECK: offset: 22
# CHECK: target: _undef
# CHECK-NOT: addend:
# CHECK: - kind: branch16
# CHECK: offset: 26
# CHECK: target: _foo
# CHECK-NOT: addend:
# CHECK: - kind: branch16
# CHECK: offset: 30
# CHECK: target: _foo
# CHECK: addend: 2
# CHECK: - kind: abs32
# CHECK: offset: 33
# CHECK: target: _undef
# CHECK: - kind: abs32
# CHECK: offset: 38
# CHECK: target: _x
# CHECK: - kind: abs32
# CHECK: offset: 43
# CHECK: target: _x
# CHECK: addend: 4
# CHECK: - kind: funcRel32
# CHECK: offset: 49
# CHECK: target: _x
# CHECK: addend: -32
# CHECK: - kind: funcRel32
# CHECK: offset: 55
# CHECK: target: _x
# CHECK: addend: -28
|