318 lines
10 KiB
ArmAsm
318 lines
10 KiB
ArmAsm
// RUN: llvm-mc -triple x86_64-apple-darwin10 %s -filetype=obj -o - | llvm-readobj -file-headers -s -sd -r -t -macho-segment -macho-dysymtab -macho-indirect-symbols | FileCheck %s
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.text
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// FIXME: llvm-mc doesn't handle this in a way we can make compatible with 'as',
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// currently, because of how we handle assembler variables.
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//
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// See <rdar://problem/7763719> improve handling of absolute symbols
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// _baz = 4
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_foo:
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xorl %eax,%eax
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_g0:
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xorl %eax,%eax
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L0:
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jmp 4
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// jmp _baz
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// FIXME: Darwin 'as' for historical reasons widens this jump, but doesn't emit
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// a relocation. It seems like 'as' widens any jump that is not to a temporary,
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// which is inherited from the x86_32 behavior, even though x86_64 could do
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// better.
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// jmp _g0
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jmp L0
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jmp _g1
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// FIXME: Darwin 'as' gets this wrong as well, even though it could get it right
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// given the other things we do on x86_64. It is using a short jump here. This
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// is probably fallout of the hack that exists for x86_32.
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// jmp L1
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// FIXME: We don't support this, and would currently get it wrong, it should be a jump to an absolute address.
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// jmp L0 - _g0
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// jmp _g1 - _g0
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// FIXME: Darwin 'as' comes up with 'SIGNED' here instead of 'BRANCH'.
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// jmp _g1 - L1
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// FIXME: Darwin 'as' gets this completely wrong. It ends up with a single
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// branch relocation. Fallout from the other delta hack?
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// jmp L1 - _g0
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jmp _g2
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jmp L2
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jmp _g3
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jmp L3
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// FIXME: Darwin 'as' gets this completely wrong. It ends up with a single
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// branch relocation. Fallout from the other delta hack?
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// jmp L2 - _g3
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// jmp _g3 - _g2
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// FIXME: Darwin 'as' comes up with 'SIGNED' here instead of 'BRANCH'.
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// jmp _g3 - L3
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// FIXME: Darwin 'as' gets this completely wrong. It ends up with a single
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// branch relocation. Fallout from the other delta hack?
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// jmp L3 - _g2
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movl %eax,4(%rip)
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// movl %eax,_baz(%rip)
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movl %eax,_g0(%rip)
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movl %eax,L0(%rip)
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movl %eax,_g1(%rip)
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movl %eax,L1(%rip)
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// FIXME: Darwin 'as' gets most of these wrong, and there is an ambiguity in ATT
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// syntax in what they should mean in the first place (absolute or
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// rip-relative address).
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// movl %eax,L0 - _g0(%rip)
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// movl %eax,_g1 - _g0(%rip)
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// movl %eax,_g1 - L1(%rip)
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// movl %eax,L1 - _g0(%rip)
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movl %eax,_g2(%rip)
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movl %eax,L2(%rip)
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movl %eax,_g3(%rip)
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movl %eax,L3(%rip)
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// FIXME: Darwin 'as' gets most of these wrong, and there is an ambiguity in ATT
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// syntax in what they should mean in the first place (absolute or
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// rip-relative address).
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// movl %eax,L2 - _g2(%rip)
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// movl %eax,_g3 - _g2(%rip)
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// movl %eax,_g3 - L3(%rip)
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// movl %eax,L3 - _g2(%rip)
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_g1:
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xorl %eax,%eax
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L1:
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xorl %eax,%eax
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.data
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_g2:
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xorl %eax,%eax
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L2:
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.quad 4
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// .quad _baz
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.quad _g2
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.quad L2
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.quad _g3
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.quad L3
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.quad L2 - _g2
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.quad _g3 - _g2
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.quad L3 - _g2
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.quad L3 - _g3
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.quad _g0
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.quad L0
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.quad _g1
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.quad L1
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.quad L0 - _g0
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.quad _g1 - _g0
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.quad L1 - _g0
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.quad L1 - _g1
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_g3:
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xorl %eax,%eax
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L3:
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xorl %eax,%eax
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// FIXME: Unfortunately, we do not get these relocations in exactly the same
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// order as Darwin 'as'. It turns out that 'as' *usually* ends up emitting
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// them in reverse address order, but sometimes it allocates some
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// additional relocations late so these end up precede the other entries. I
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// haven't figured out the exact criteria for this yet.
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// CHECK: File: <stdin>
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// CHECK: Format: Mach-O 64-bit x86-64
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// CHECK: Arch: x86_64
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// CHECK: AddressSize: 64bit
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// CHECK: MachHeader {
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// CHECK: Magic: Magic64 (0xFEEDFACF)
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// CHECK: CpuType: X86-64 (0x1000007)
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// CHECK: CpuSubType: CPU_SUBTYPE_X86_64_ALL (0x3)
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// CHECK: FileType: Relocatable (0x1)
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// CHECK: NumOfLoadCommands: 4
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// CHECK: SizeOfLoadCommands: 352
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// CHECK: Flags [ (0x0)
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// CHECK: ]
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// CHECK: Reserved: 0x0
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// CHECK: }
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// CHECK: Sections [
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// CHECK: Section {
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// CHECK: Index: 0
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// CHECK: Name: __text (5F 5F 74 65 78 74 00 00 00 00 00 00 00 00 00 00)
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// CHECK: Segment: __TEXT (5F 5F 54 45 58 54 00 00 00 00 00 00 00 00 00 00)
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// CHECK: Address: 0x0
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// CHECK: Size: 0x5E
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// CHECK: Offset: 384
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// CHECK: Alignment: 0
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// CHECK: RelocationOffset: 0x26C
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// CHECK: RelocationCount: 12
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// CHECK: Type: 0x0
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// CHECK: Attributes [ (0x800004)
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// CHECK: PureInstructions (0x800000)
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// CHECK: SomeInstructions (0x4)
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// CHECK: ]
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// CHECK: Reserved1: 0x0
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// CHECK: Reserved2: 0x0
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// CHECK: Reserved3: 0x0
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// CHECK: SectionData (
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// CHECK: 0000: 31C031C0 E9040000 00EBF9E9 00000000 |1.1.............|
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// CHECK: 0010: E9000000 00E90200 0000E900 000000E9 |................|
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// CHECK: 0020: 02000000 89050400 00008905 D2FFFFFF |................|
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// CHECK: 0030: 8905CEFF FFFF8905 00000000 89050200 |................|
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// CHECK: 0040: 00008905 00000000 89050200 00008905 |................|
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// CHECK: 0050: 00000000 89050200 000031C0 31C0 |..........1.1.|
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// CHECK: )
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// CHECK: }
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// CHECK: Section {
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// CHECK: Index: 1
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// CHECK: Name: __data (5F 5F 64 61 74 61 00 00 00 00 00 00 00 00 00 00)
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// CHECK: Segment: __DATA (5F 5F 44 41 54 41 00 00 00 00 00 00 00 00 00 00)
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// CHECK: Address: 0x5E
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// CHECK: Size: 0x8E
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// CHECK: Offset: 478
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// CHECK: Alignment: 0
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// CHECK: RelocationOffset: 0x2CC
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// CHECK: RelocationCount: 16
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// CHECK: Type: 0x0
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// CHECK: Attributes [ (0x4)
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// CHECK: SomeInstructions (0x4)
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// CHECK: ]
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// CHECK: Reserved1: 0x0
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// CHECK: Reserved2: 0x0
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// CHECK: Reserved3: 0x0
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// CHECK: SectionData (
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// CHECK: 0000: 31C00400 00000000 00000000 00000000 |1...............|
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// CHECK: 0010: 00000200 00000000 00000000 00000000 |................|
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// CHECK: 0020: 00000200 00000000 00000200 00000000 |................|
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// CHECK: 0030: 00000000 00000000 00000200 00000000 |................|
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// CHECK: 0040: 00000200 00000000 00000000 00000000 |................|
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// CHECK: 0050: 00000200 00000000 00000000 00000000 |................|
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// CHECK: 0060: 00000200 00000000 00000200 00000000 |................|
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// CHECK: 0070: 00000000 00000000 00000200 00000000 |................|
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// CHECK: 0080: 00000200 00000000 000031C0 31C0 |..........1.1.|
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// CHECK: )
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// CHECK: }
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// CHECK: ]
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// CHECK: Relocations [
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// CHECK: Section __text {
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// CHECK: 0x56 1 2 1 X86_64_RELOC_SIGNED 0 _g3
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// CHECK: 0x50 1 2 1 X86_64_RELOC_SIGNED 0 _g3
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// CHECK: 0x4A 1 2 1 X86_64_RELOC_SIGNED 0 _g2
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// CHECK: 0x44 1 2 1 X86_64_RELOC_SIGNED 0 _g2
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// CHECK: 0x3E 1 2 1 X86_64_RELOC_SIGNED 0 _g1
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// CHECK: 0x38 1 2 1 X86_64_RELOC_SIGNED 0 _g1
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// CHECK: 0x20 1 2 1 X86_64_RELOC_BRANCH 0 _g3
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// CHECK: 0x1B 1 2 1 X86_64_RELOC_BRANCH 0 _g3
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// CHECK: 0x16 1 2 1 X86_64_RELOC_BRANCH 0 _g2
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// CHECK: 0x11 1 2 1 X86_64_RELOC_BRANCH 0 _g2
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// CHECK: 0xC 1 2 1 X86_64_RELOC_BRANCH 0 _g1
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// CHECK: 0x5 1 2 1 X86_64_RELOC_BRANCH 0 _foo
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// CHECK: }
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// CHECK: Section __data {
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// CHECK: 0x7A 0 3 1 X86_64_RELOC_SUBTRACTOR 0 _g0
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// CHECK: 0x7A 0 3 1 X86_64_RELOC_UNSIGNED 0 _g1
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// CHECK: 0x72 0 3 1 X86_64_RELOC_SUBTRACTOR 0 _g0
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// CHECK: 0x72 0 3 1 X86_64_RELOC_UNSIGNED 0 _g1
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// CHECK: 0x62 0 3 1 X86_64_RELOC_UNSIGNED 0 _g1
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// CHECK: 0x5A 0 3 1 X86_64_RELOC_UNSIGNED 0 _g1
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// CHECK: 0x52 0 3 1 X86_64_RELOC_UNSIGNED 0 _g0
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// CHECK: 0x4A 0 3 1 X86_64_RELOC_UNSIGNED 0 _g0
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// CHECK: 0x3A 0 3 1 X86_64_RELOC_SUBTRACTOR 0 _g2
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// CHECK: 0x3A 0 3 1 X86_64_RELOC_UNSIGNED 0 _g3
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// CHECK: 0x32 0 3 1 X86_64_RELOC_SUBTRACTOR 0 _g2
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// CHECK: 0x32 0 3 1 X86_64_RELOC_UNSIGNED 0 _g3
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// CHECK: 0x22 0 3 1 X86_64_RELOC_UNSIGNED 0 _g3
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// CHECK: 0x1A 0 3 1 X86_64_RELOC_UNSIGNED 0 _g3
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// CHECK: 0x12 0 3 1 X86_64_RELOC_UNSIGNED 0 _g2
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// CHECK: 0xA 0 3 1 X86_64_RELOC_UNSIGNED 0 _g2
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// CHECK: }
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// CHECK: ]
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// CHECK: Symbols [
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// CHECK: Symbol {
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// CHECK: Name: _foo (1)
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// CHECK: Type: Section (0xE)
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// CHECK: Section: __text (0x1)
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// CHECK: RefType: UndefinedNonLazy (0x0)
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// CHECK: Flags [ (0x0)
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// CHECK: ]
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// CHECK: Value: 0x0
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// CHECK: }
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// CHECK: Symbol {
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// CHECK: Name: _g0 (18)
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// CHECK: Type: Section (0xE)
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// CHECK: Section: __text (0x1)
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// CHECK: RefType: UndefinedNonLazy (0x0)
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// CHECK: Flags [ (0x0)
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// CHECK: ]
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// CHECK: Value: 0x2
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// CHECK: }
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// CHECK: Symbol {
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// CHECK: Name: _g1 (14)
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// CHECK: Type: Section (0xE)
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// CHECK: Section: __text (0x1)
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// CHECK: RefType: UndefinedNonLazy (0x0)
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// CHECK: Flags [ (0x0)
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// CHECK: ]
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// CHECK: Value: 0x5A
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// CHECK: }
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// CHECK: Symbol {
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// CHECK: Name: _g2 (10)
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// CHECK: Type: Section (0xE)
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// CHECK: Section: __data (0x2)
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// CHECK: RefType: UndefinedNonLazy (0x0)
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// CHECK: Flags [ (0x0)
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// CHECK: ]
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// CHECK: Value: 0x5E
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// CHECK: }
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// CHECK: Symbol {
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// CHECK: Name: _g3 (6)
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// CHECK: Type: Section (0xE)
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// CHECK: Section: __data (0x2)
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// CHECK: RefType: UndefinedNonLazy (0x0)
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// CHECK: Flags [ (0x0)
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// CHECK: ]
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// CHECK: Value: 0xE8
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// CHECK: }
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// CHECK: ]
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// CHECK: Indirect Symbols {
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// CHECK: Number: 0
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// CHECK: Symbols [
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// CHECK: ]
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// CHECK: }
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// CHECK: Segment {
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// CHECK: Cmd: LC_SEGMENT_64
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// CHECK: Name:
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// CHECK: Size: 232
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// CHECK: vmaddr: 0x0
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// CHECK: vmsize: 0xEC
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// CHECK: fileoff: 384
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// CHECK: filesize: 236
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// CHECK: maxprot: rwx
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// CHECK: initprot: rwx
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// CHECK: nsects: 2
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// CHECK: flags: 0x0
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// CHECK: }
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// CHECK: Dysymtab {
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// CHECK: ilocalsym: 0
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// CHECK: nlocalsym: 5
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// CHECK: iextdefsym: 5
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// CHECK: nextdefsym: 0
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// CHECK: iundefsym: 5
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// CHECK: nundefsym: 0
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// CHECK: tocoff: 0
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// CHECK: ntoc: 0
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// CHECK: modtaboff: 0
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// CHECK: nmodtab: 0
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// CHECK: extrefsymoff: 0
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// CHECK: nextrefsyms: 0
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// CHECK: indirectsymoff: 0
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// CHECK: nindirectsyms: 0
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// CHECK: extreloff: 0
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// CHECK: nextrel: 0
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// CHECK: locreloff: 0
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// CHECK: nlocrel: 0
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// CHECK: }
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