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llvm-mirror/test/MC/MachO/darwin-x86_64-reloc-offsets.s
Daniel Dunbar 3c66c7a3c1 MC/Mach-O/x86_64: Add relocation support.
- This is "extraordinarily" Darwin 'as' compatible. See the litany of FIXMEs littered about for more information.
 - There are a few cases which seem to clearly be 'as' bugs which I have left unsupported, and there is one cases where we diverge but should fix if it blocks diffing .o files (Darwin 'as' ends up widening a jump unnecessarily).
 - 403.gcc build, runs, and diffs equivalently to the 'as' built version now (using llvm-mc). However, it builds so slowly that I wouldn't recommend trying it quite yet. :)

llvm-svn: 98974
2010-03-19 18:07:55 +00:00

344 lines
11 KiB
ArmAsm

// RUN: llvm-mc -triple x86_64-apple-darwin10 %s -filetype=obj -o - | macho-dump --dump-section-data | FileCheck %s
.data
.org 0x10
L0:
.long 0
.long 0
.long 0
.long 0
_d:
.long 0
L1:
.long 0
.text
// These generate normal x86_64 (external) relocations. They could all use
// SIGNED, but don't for pedantic compatibility with Darwin 'as'.
// SIGNED1
movb $0x12, _d(%rip)
// SIGNED
movb $0x12, _d + 1(%rip)
// SIGNED4
movl $0x12345678, _d(%rip)
// SIGNED
movl $0x12345678, _d + 1(%rip)
// SIGNED2
movl $0x12345678, _d + 2(%rip)
// SIGNED1
movl $0x12345678, _d + 3(%rip)
// SIGNED
movl $0x12345678, _d + 4(%rip)
movb %al, _d(%rip)
movb %al, _d + 1(%rip)
movl %eax, _d(%rip)
movl %eax, _d + 1(%rip)
movl %eax, _d + 2(%rip)
movl %eax, _d + 3(%rip)
movl %eax, _d + 4(%rip)
// These have to use local relocations. Since that uses an offset into the
// section in x86_64 (as opposed to a scattered relocation), and since the
// linker can only decode this to an atom + offset by scanning the section,
// it is not possible to correctly encode these without SIGNED<N>. This is
// ultimately due to a design flaw in the x86_64 relocation format, it is
// not possible to encode an address (L<foo> + <constant>) which is outside the
// atom containing L<foo>.
// SIGNED1
movb $0x12, L0(%rip)
// SIGNED
movb $0x12, L0 + 1(%rip)
// SIGNED4
movl $0x12345678, L0(%rip)
// SIGNED
movl $0x12345678, L0 + 1(%rip)
// SIGNED2
movl $0x12345678, L0 + 2(%rip)
// SIGNED1
movl $0x12345678, L0 + 3(%rip)
// SIGNED
movl $0x12345678, L0 + 4(%rip)
movb %al, L0(%rip)
movb %al, L0 + 1(%rip)
movl %eax, L0(%rip)
movl %eax, L0 + 1(%rip)
movl %eax, L0 + 2(%rip)
movl %eax, L0 + 3(%rip)
movl %eax, L0 + 4(%rip)
// SIGNED1
movb $0x12, L1(%rip)
// SIGNED
movb $0x12, L1 + 1(%rip)
// SIGNED4
movl $0x12345678, L1(%rip)
// SIGNED
movl $0x12345678, L1 + 1(%rip)
// SIGNED2
movl $0x12345678, L1 + 2(%rip)
// SIGNED1
movl $0x12345678, L1 + 3(%rip)
// SIGNED
movl $0x12345678, L1 + 4(%rip)
movb %al, L1(%rip)
movb %al, L1 + 1(%rip)
movl %eax, L1(%rip)
movl %eax, L1 + 1(%rip)
movl %eax, L1 + 2(%rip)
movl %eax, L1 + 3(%rip)
movl %eax, L1 + 4(%rip)
// CHECK: ('cputype', 16777223)
// CHECK: ('cpusubtype', 3)
// CHECK: ('filetype', 1)
// CHECK: ('num_load_commands', 1)
// CHECK: ('load_commands_size', 336)
// CHECK: ('flag', 0)
// CHECK: ('reserved', 0)
// CHECK: ('load_commands', [
// CHECK: # Load Command 0
// CHECK: (('command', 25)
// CHECK: ('size', 232)
// CHECK: ('segment_name', '\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00')
// CHECK: ('vm_addr', 0)
// CHECK: ('vm_size', 358)
// CHECK: ('file_offset', 368)
// CHECK: ('file_size', 358)
// CHECK: ('maxprot', 7)
// CHECK: ('initprot', 7)
// CHECK: ('num_sections', 2)
// CHECK: ('flags', 0)
// CHECK: ('sections', [
// CHECK: # Section 0
// CHECK: (('section_name', '__text\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00')
// CHECK: ('segment_name', '__TEXT\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00')
// CHECK: ('address', 0)
// CHECK: ('size', 318)
// CHECK: ('offset', 368)
// CHECK: ('alignment', 0)
// CHECK: ('reloc_offset', 728)
// CHECK: ('num_reloc', 42)
// CHECK: ('flags', 0x80000400)
// CHECK: ('reserved1', 0)
// CHECK: ('reserved2', 0)
// CHECK: ('reserved3', 0)
// CHECK: ),
// CHECK: ('_relocations', [
// CHECK: # Relocation 0
// CHECK: (('word-0', 0x13a),
// CHECK: ('word-1', 0x1d000000)),
// CHECK: # Relocation 1
// CHECK: (('word-0', 0x134),
// CHECK: ('word-1', 0x1d000000)),
// CHECK: # Relocation 2
// CHECK: (('word-0', 0x12e),
// CHECK: ('word-1', 0x1d000000)),
// CHECK: # Relocation 3
// CHECK: (('word-0', 0x128),
// CHECK: ('word-1', 0x1d000000)),
// CHECK: # Relocation 4
// CHECK: (('word-0', 0x122),
// CHECK: ('word-1', 0x1d000000)),
// CHECK: # Relocation 5
// CHECK: (('word-0', 0x11c),
// CHECK: ('word-1', 0x1d000000)),
// CHECK: # Relocation 6
// CHECK: (('word-0', 0x116),
// CHECK: ('word-1', 0x1d000000)),
// CHECK: # Relocation 7
// CHECK: (('word-0', 0x10c),
// CHECK: ('word-1', 0x1d000000)),
// CHECK: # Relocation 8
// CHECK: (('word-0', 0x102),
// CHECK: ('word-1', 0x6d000000)),
// CHECK: # Relocation 9
// CHECK: (('word-0', 0xf8),
// CHECK: ('word-1', 0x7d000000)),
// CHECK: # Relocation 10
// CHECK: (('word-0', 0xee),
// CHECK: ('word-1', 0x1d000000)),
// CHECK: # Relocation 11
// CHECK: (('word-0', 0xe4),
// CHECK: ('word-1', 0x8d000000)),
// CHECK: # Relocation 12
// CHECK: (('word-0', 0xdd),
// CHECK: ('word-1', 0x1d000000)),
// CHECK: # Relocation 13
// CHECK: (('word-0', 0xd6),
// CHECK: ('word-1', 0x6d000000)),
// CHECK: # Relocation 14
// CHECK: (('word-0', 0xd0),
// CHECK: ('word-1', 0x15000002)),
// CHECK: # Relocation 15
// CHECK: (('word-0', 0xca),
// CHECK: ('word-1', 0x15000002)),
// CHECK: # Relocation 16
// CHECK: (('word-0', 0xc4),
// CHECK: ('word-1', 0x15000002)),
// CHECK: # Relocation 17
// CHECK: (('word-0', 0xbe),
// CHECK: ('word-1', 0x15000002)),
// CHECK: # Relocation 18
// CHECK: (('word-0', 0xb8),
// CHECK: ('word-1', 0x15000002)),
// CHECK: # Relocation 19
// CHECK: (('word-0', 0xb2),
// CHECK: ('word-1', 0x15000002)),
// CHECK: # Relocation 20
// CHECK: (('word-0', 0xac),
// CHECK: ('word-1', 0x15000002)),
// CHECK: # Relocation 21
// CHECK: (('word-0', 0xa2),
// CHECK: ('word-1', 0x15000002)),
// CHECK: # Relocation 22
// CHECK: (('word-0', 0x98),
// CHECK: ('word-1', 0x65000002)),
// CHECK: # Relocation 23
// CHECK: (('word-0', 0x8e),
// CHECK: ('word-1', 0x75000002)),
// CHECK: # Relocation 24
// CHECK: (('word-0', 0x84),
// CHECK: ('word-1', 0x15000002)),
// CHECK: # Relocation 25
// CHECK: (('word-0', 0x7a),
// CHECK: ('word-1', 0x85000002)),
// CHECK: # Relocation 26
// CHECK: (('word-0', 0x73),
// CHECK: ('word-1', 0x15000002)),
// CHECK: # Relocation 27
// CHECK: (('word-0', 0x6c),
// CHECK: ('word-1', 0x65000002)),
// CHECK: # Relocation 28
// CHECK: (('word-0', 0x66),
// CHECK: ('word-1', 0x1d000000)),
// CHECK: # Relocation 29
// CHECK: (('word-0', 0x60),
// CHECK: ('word-1', 0x1d000000)),
// CHECK: # Relocation 30
// CHECK: (('word-0', 0x5a),
// CHECK: ('word-1', 0x1d000000)),
// CHECK: # Relocation 31
// CHECK: (('word-0', 0x54),
// CHECK: ('word-1', 0x1d000000)),
// CHECK: # Relocation 32
// CHECK: (('word-0', 0x4e),
// CHECK: ('word-1', 0x1d000000)),
// CHECK: # Relocation 33
// CHECK: (('word-0', 0x48),
// CHECK: ('word-1', 0x1d000000)),
// CHECK: # Relocation 34
// CHECK: (('word-0', 0x42),
// CHECK: ('word-1', 0x1d000000)),
// CHECK: # Relocation 35
// CHECK: (('word-0', 0x38),
// CHECK: ('word-1', 0x1d000000)),
// CHECK: # Relocation 36
// CHECK: (('word-0', 0x2e),
// CHECK: ('word-1', 0x6d000000)),
// CHECK: # Relocation 37
// CHECK: (('word-0', 0x24),
// CHECK: ('word-1', 0x7d000000)),
// CHECK: # Relocation 38
// CHECK: (('word-0', 0x1a),
// CHECK: ('word-1', 0x1d000000)),
// CHECK: # Relocation 39
// CHECK: (('word-0', 0x10),
// CHECK: ('word-1', 0x8d000000)),
// CHECK: # Relocation 40
// CHECK: (('word-0', 0x9),
// CHECK: ('word-1', 0x1d000000)),
// CHECK: # Relocation 41
// CHECK: (('word-0', 0x2),
// CHECK: ('word-1', 0x6d000000)),
// CHECK: ])
// CHECK: ('_section_data', '\xc6\x05\xff\xff\xff\xff\x12\xc6\x05\x00\x00\x00\x00\x12\xc7\x05\xfc\xff\xff\xffxV4\x12\xc7\x05\xfd\xff\xff\xffxV4\x12\xc7\x05\xfe\xff\xff\xffxV4\x12\xc7\x05\xff\xff\xff\xffxV4\x12\xc7\x05\x00\x00\x00\x00xV4\x12\x88\x05\x00\x00\x00\x00\x88\x05\x01\x00\x00\x00\x89\x05\x00\x00\x00\x00\x89\x05\x01\x00\x00\x00\x89\x05\x02\x00\x00\x00\x89\x05\x03\x00\x00\x00\x89\x05\x04\x00\x00\x00\xc6\x05\xdd\x00\x00\x00\x12\xc6\x05\xd7\x00\x00\x00\x12\xc7\x05\xcc\x00\x00\x00xV4\x12\xc7\x05\xc3\x00\x00\x00xV4\x12\xc7\x05\xba\x00\x00\x00xV4\x12\xc7\x05\xb1\x00\x00\x00xV4\x12\xc7\x05\xa8\x00\x00\x00xV4\x12\x88\x05\x9e\x00\x00\x00\x88\x05\x99\x00\x00\x00\x89\x05\x92\x00\x00\x00\x89\x05\x8d\x00\x00\x00\x89\x05\x88\x00\x00\x00\x89\x05\x83\x00\x00\x00\x89\x05~\x00\x00\x00\xc6\x05\x03\x00\x00\x00\x12\xc6\x05\x04\x00\x00\x00\x12\xc7\x05\x00\x00\x00\x00xV4\x12\xc7\x05\x01\x00\x00\x00xV4\x12\xc7\x05\x02\x00\x00\x00xV4\x12\xc7\x05\x03\x00\x00\x00xV4\x12\xc7\x05\x04\x00\x00\x00xV4\x12\x88\x05\x04\x00\x00\x00\x88\x05\x05\x00\x00\x00\x89\x05\x04\x00\x00\x00\x89\x05\x05\x00\x00\x00\x89\x05\x06\x00\x00\x00\x89\x05\x07\x00\x00\x00\x89\x05\x08\x00\x00\x00')
// CHECK: # Section 1
// CHECK: (('section_name', '__data\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00')
// CHECK: ('segment_name', '__DATA\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00')
// CHECK: ('address', 318)
// CHECK: ('size', 40)
// CHECK: ('offset', 686)
// CHECK: ('alignment', 0)
// CHECK: ('reloc_offset', 0)
// CHECK: ('num_reloc', 0)
// CHECK: ('flags', 0x0)
// CHECK: ('reserved1', 0)
// CHECK: ('reserved2', 0)
// CHECK: ('reserved3', 0)
// CHECK: ),
// CHECK: ('_relocations', [
// CHECK: ])
// CHECK: ('_section_data', '\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00')
// CHECK: ])
// CHECK: ),
// CHECK: # Load Command 1
// CHECK: (('command', 2)
// CHECK: ('size', 24)
// CHECK: ('symoff', 1064)
// CHECK: ('nsyms', 1)
// CHECK: ('stroff', 1080)
// CHECK: ('strsize', 4)
// CHECK: ('_string_data', '\x00_d\x00')
// CHECK: ('_symbols', [
// CHECK: # Symbol 0
// CHECK: (('n_strx', 1)
// CHECK: ('n_type', 0xe)
// CHECK: ('n_sect', 2)
// CHECK: ('n_desc', 0)
// CHECK: ('n_value', 350)
// CHECK: ('_string', '_d')
// CHECK: ),
// CHECK: ])
// CHECK: ),
// CHECK: # Load Command 2
// CHECK: (('command', 11)
// CHECK: ('size', 80)
// CHECK: ('ilocalsym', 0)
// CHECK: ('nlocalsym', 1)
// CHECK: ('iextdefsym', 1)
// CHECK: ('nextdefsym', 0)
// CHECK: ('iundefsym', 1)
// CHECK: ('nundefsym', 0)
// CHECK: ('tocoff', 0)
// CHECK: ('ntoc', 0)
// CHECK: ('modtaboff', 0)
// CHECK: ('nmodtab', 0)
// CHECK: ('extrefsymoff', 0)
// CHECK: ('nextrefsyms', 0)
// CHECK: ('indirectsymoff', 0)
// CHECK: ('nindirectsyms', 0)
// CHECK: ('extreloff', 0)
// CHECK: ('nextrel', 0)
// CHECK: ('locreloff', 0)
// CHECK: ('nlocrel', 0)
// CHECK: ('_indirect_symbols', [
// CHECK: ])
// CHECK: ),
// CHECK: ])