| // RUN: llvm-mc -triple i386-apple-darwin9 %s -filetype=obj -o - | llvm-readobj -file-headers -s -sd -r -t -macho-segment -macho-dysymtab -macho-indirect-symbols | FileCheck %s |
| |
| # 1 byte nop test |
| .align 4, 0 # start with 16 byte alignment filled with zeros |
| ret |
| # nop |
| # 0x90 |
| .align 1, 0x90 |
| ret |
| # 2 byte nop test |
| .align 4, 0 # start with 16 byte alignment filled with zeros |
| ret |
| ret |
| # xchg %ax,%ax |
| # 0x66, 0x90 |
| .align 2, 0x90 |
| ret |
| # 3 byte nop test |
| .align 4, 0 # start with 16 byte alignment filled with zeros |
| ret |
| # nopl (%[re]ax) |
| # 0x0f, 0x1f, 0x00 |
| .align 2, 0x90 |
| ret |
| # 4 byte nop test |
| .align 4, 0 # start with 16 byte alignment filled with zeros |
| ret |
| ret |
| ret |
| ret |
| # nopl 0(%[re]ax) |
| # 0x0f, 0x1f, 0x40, 0x00 |
| .align 3, 0x90 |
| ret |
| # 5 byte nop test |
| .align 4, 0 # start with 16 byte alignment filled with zeros |
| ret |
| ret |
| ret |
| # nopl 0(%[re]ax,%[re]ax,1) |
| # 0x0f, 0x1f, 0x44, 0x00, 0x00 |
| .align 3, 0x90 |
| ret |
| # 6 byte nop test |
| .align 4, 0 # start with 16 byte alignment filled with zeros |
| ret |
| ret |
| # nopw 0(%[re]ax,%[re]ax,1) |
| # 0x66, 0x0f, 0x1f, 0x44, 0x00, 0x00 |
| .align 3, 0x90 |
| ret |
| # 7 byte nop test |
| .align 4, 0 # start with 16 byte alignment filled with zeros |
| ret |
| # nopl 0L(%[re]ax) |
| # 0x0f, 0x1f, 0x80, 0x00, 0x00, 0x00, 0x00 |
| .align 3, 0x90 |
| ret |
| # 8 byte nop test |
| .align 4, 0 # start with 16 byte alignment filled with zeros |
| ret |
| ret |
| ret |
| ret |
| ret |
| ret |
| ret |
| ret |
| # nopl 0L(%[re]ax,%[re]ax,1) |
| # 0x0f, 0x1f, 0x84, 0x00, 0x00, 0x00, 0x00, 0x00 |
| .align 3, 0x90 |
| ret |
| # 9 byte nop test |
| .align 4, 0 # start with 16 byte alignment filled with zeros |
| ret |
| ret |
| ret |
| ret |
| ret |
| ret |
| ret |
| # nopw 0L(%[re]ax,%[re]ax,1) |
| # 0x66, 0x0f, 0x1f, 0x84, 0x00, 0x00, 0x00, 0x00, 0x00 |
| .align 4, 0x90 |
| ret |
| # 10 byte nop test |
| .align 4, 0 # start with 16 byte alignment filled with zeros |
| ret |
| ret |
| ret |
| ret |
| ret |
| ret |
| ret |
| # nopw %cs:0L(%[re]ax,%[re]ax,1) |
| # 0x66, 0x2e, 0x0f, 0x1f, 0x84, 0x00, 0x00, 0x00, 0x00, 0x00 |
| .align 4, 0x90 |
| ret |
| # 11 byte nop test |
| .align 4, 0 # start with 16 byte alignment filled with zeros |
| ret |
| ret |
| ret |
| ret |
| ret |
| # nopw %cs:0L(%[re]ax,%[re]ax,1) |
| # 0x66, 0x66, 0x2e, 0x0f, 0x1f, 0x84, 0x00, 0x00, 0x00, 0x00, 0x00 |
| .align 4, 0x90 |
| ret |
| # 12 byte nop test |
| .align 4, 0 # start with 16 byte alignment filled with zeros |
| ret |
| ret |
| ret |
| ret |
| # nopw 0(%[re]ax,%[re]ax,1) |
| # nopw 0(%[re]ax,%[re]ax,1) |
| # 0x66, 0x0f, 0x1f, 0x44, 0x00, 0x00, |
| # 0x66, 0x0f, 0x1f, 0x44, 0x00, 0x00 |
| .align 4, 0x90 |
| ret |
| # 13 byte nop test |
| .align 4, 0 # start with 16 byte alignment filled with zeros |
| ret |
| ret |
| ret |
| # nopw 0(%[re]ax,%[re]ax,1) |
| # nopl 0L(%[re]ax) |
| # 0x66, 0x0f, 0x1f, 0x44, 0x00, 0x00, |
| # 0x0f, 0x1f, 0x80, 0x00, 0x00, 0x00, 0x00 |
| .align 4, 0x90 |
| ret |
| # 14 byte nop test |
| .align 4, 0 # start with 16 byte alignment filled with zeros |
| ret |
| ret |
| # nopl 0L(%[re]ax) |
| # nopl 0L(%[re]ax) |
| # 0x0f, 0x1f, 0x80, 0x00, 0x00, 0x00, 0x00, |
| # 0x0f, 0x1f, 0x80, 0x00, 0x00, 0x00, 0x00 |
| .align 4, 0x90 |
| ret |
| # 15 byte nop test |
| .align 4, 0 # start with 16 byte alignment filled with zeros |
| ret |
| # nopl 0L(%[re]ax) |
| # nopl 0L(%[re]ax,%[re]ax,1) |
| # 0x0f, 0x1f, 0x80, 0x00, 0x00, 0x00, 0x00, |
| # 0x0f, 0x1f, 0x84, 0x00, 0x00, 0x00, 0x00, 0x00 |
| .align 4, 0x90 |
| ret |
| |
| # Only the .text sections gets optimal nops. |
| .section __TEXT,__const |
| f0: |
| .byte 0 |
| .align 4, 0x90 |
| .long 0 |
| |
| // CHECK: File: <stdin> |
| // CHECK: Format: Mach-O 32-bit i386 |
| // CHECK: Arch: i386 |
| // CHECK: AddressSize: 32bit |
| // CHECK: MachHeader { |
| // CHECK: Magic: Magic (0xFEEDFACE) |
| // CHECK: CpuType: X86 (0x7) |
| // CHECK: CpuSubType: CPU_SUBTYPE_I386_ALL (0x3) |
| // CHECK: FileType: Relocatable (0x1) |
| // CHECK: NumOfLoadCommands: 4 |
| // CHECK: SizeOfLoadCommands: 312 |
| // CHECK: Flags [ (0x0) |
| // CHECK: ] |
| // CHECK: } |
| // CHECK: Sections [ |
| // CHECK: Section { |
| // CHECK: Index: 0 |
| // CHECK: Name: __text (5F 5F 74 65 78 74 00 00 00 00 00 00 00 00 00 00) |
| // CHECK: Segment: __TEXT (5F 5F 54 45 58 54 00 00 00 00 00 00 00 00 00 00) |
| // CHECK: Address: 0x0 |
| // CHECK: Size: 0x151 |
| // CHECK: Offset: 340 |
| // CHECK: Alignment: 4 |
| // CHECK: RelocationOffset: 0x0 |
| // CHECK: RelocationCount: 0 |
| // CHECK: Type: 0x0 |
| // CHECK: Attributes [ (0x800004) |
| // CHECK: PureInstructions (0x800000) |
| // CHECK: SomeInstructions (0x4) |
| // CHECK: ] |
| // CHECK: Reserved1: 0x0 |
| // CHECK: Reserved2: 0x0 |
| // CHECK: SectionData ( |
| // CHECK: 0000: C390C300 00000000 00000000 00000000 |................| |
| // CHECK: 0010: C3C36690 C3000000 00000000 00000000 |..f.............| |
| // CHECK: 0020: C30F1F00 C3000000 00000000 00000000 |................| |
| // CHECK: 0030: C3C3C3C3 0F1F4000 C3000000 00000000 |......@.........| |
| // CHECK: 0040: C3C3C30F 1F440000 C3000000 00000000 |.....D..........| |
| // CHECK: 0050: C3C3660F 1F440000 C3000000 00000000 |..f..D..........| |
| // CHECK: 0060: C30F1F80 00000000 C3000000 00000000 |................| |
| // CHECK: 0070: C3C3C3C3 C3C3C3C3 C3000000 00000000 |................| |
| // CHECK: 0080: C3C3C3C3 C3C3C366 0F1F8400 00000000 |.......f........| |
| // CHECK: 0090: C3000000 00000000 00000000 00000000 |................| |
| // CHECK: 00A0: C3C3C3C3 C3C3C366 0F1F8400 00000000 |.......f........| |
| // CHECK: 00B0: C3000000 00000000 00000000 00000000 |................| |
| // CHECK: 00C0: C3C3C3C3 C366662E 0F1F8400 00000000 |.....ff.........| |
| // CHECK: 00D0: C3000000 00000000 00000000 00000000 |................| |
| // CHECK: 00E0: C3C3C3C3 6666662E 0F1F8400 00000000 |....fff.........| |
| // CHECK: 00F0: C3000000 00000000 00000000 00000000 |................| |
| // CHECK: 0100: C3C3C366 6666662E 0F1F8400 00000000 |...ffff.........| |
| // CHECK: 0110: C3000000 00000000 00000000 00000000 |................| |
| // CHECK: 0120: C3C36666 6666662E 0F1F8400 00000000 |..fffff.........| |
| // CHECK: 0130: C3000000 00000000 00000000 00000000 |................| |
| // CHECK: 0140: C3666666 6666662E 0F1F8400 00000000 |.ffffff.........| |
| // CHECK: 0150: C3 |.| |
| // CHECK: ) |
| // CHECK: } |
| // CHECK: Section { |
| // CHECK: Index: 1 |
| // CHECK: Name: __const (5F 5F 63 6F 6E 73 74 00 00 00 00 00 00 00 00 00) |
| // CHECK: Segment: __TEXT (5F 5F 54 45 58 54 00 00 00 00 00 00 00 00 00 00) |
| // CHECK: Address: 0x160 |
| // CHECK: Size: 0x14 |
| // CHECK: Offset: 692 |
| // CHECK: Alignment: 4 |
| // CHECK: RelocationOffset: 0x0 |
| // CHECK: RelocationCount: 0 |
| // CHECK: Type: 0x0 |
| // CHECK: Attributes [ (0x0) |
| // CHECK: ] |
| // CHECK: Reserved1: 0x0 |
| // CHECK: Reserved2: 0x0 |
| // CHECK: SectionData ( |
| // CHECK: 0000: 00909090 90909090 90909090 90909090 |................| |
| // CHECK: 0010: 00000000 |....| |
| // CHECK: ) |
| // CHECK: } |
| // CHECK: ] |
| // CHECK: Relocations [ |
| // CHECK: ] |
| // CHECK: Symbols [ |
| // CHECK: Symbol { |
| // CHECK: Name: f0 (1) |
| // CHECK: Type: Section (0xE) |
| // CHECK: Section: __const (0x2) |
| // CHECK: RefType: UndefinedNonLazy (0x0) |
| // CHECK: Flags [ (0x0) |
| // CHECK: ] |
| // CHECK: Value: 0x160 |
| // CHECK: } |
| // CHECK: ] |
| // CHECK: Indirect Symbols { |
| // CHECK: Number: 0 |
| // CHECK: Symbols [ |
| // CHECK: ] |
| // CHECK: } |
| // CHECK: Segment { |
| // CHECK: Cmd: LC_SEGMENT |
| // CHECK: Name: |
| // CHECK: Size: 192 |
| // CHECK: vmaddr: 0x0 |
| // CHECK: vmsize: 0x174 |
| // CHECK: fileoff: 340 |
| // CHECK: filesize: 372 |
| // CHECK: maxprot: rwx |
| // CHECK: initprot: rwx |
| // CHECK: nsects: 2 |
| // CHECK: flags: 0x0 |
| // CHECK: } |
| // CHECK: Dysymtab { |
| // 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: } |
