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90 lines
2.0 KiB
ArmAsm
90 lines
2.0 KiB
ArmAsm
// RUN: llvm-mc -triple x86_64-apple-darwin -filetype=obj %s -o - | llvm-readobj -sections | FileCheck %s
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// We were trying to generate compact unwind info for assembly like this.
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// The .cfi_def_cfa directive, however, throws a wrench into that and was
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// causing an llvm_unreachable() failure. Make sure the assembler can handle
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// the input. The actual eh_frames created using these directives are checked
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// elsewhere. This test is a simpler "does the code assemble" check.
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// rdar://15406518
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.macro SaveRegisters
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push %rbp
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.cfi_def_cfa_offset 16
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.cfi_offset rbp, -16
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mov %rsp, %rbp
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.cfi_def_cfa_register rbp
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sub $$0x80+8, %rsp
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movdqa %xmm0, -0x80(%rbp)
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push %rax
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movdqa %xmm1, -0x70(%rbp)
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push %rdi
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movdqa %xmm2, -0x60(%rbp)
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push %rsi
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movdqa %xmm3, -0x50(%rbp)
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push %rdx
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movdqa %xmm4, -0x40(%rbp)
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push %rcx
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movdqa %xmm5, -0x30(%rbp)
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push %r8
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movdqa %xmm6, -0x20(%rbp)
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push %r9
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movdqa %xmm7, -0x10(%rbp)
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.endmacro
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.macro RestoreRegisters
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movdqa -0x80(%rbp), %xmm0
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pop %r9
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movdqa -0x70(%rbp), %xmm1
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pop %r8
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movdqa -0x60(%rbp), %xmm2
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pop %rcx
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movdqa -0x50(%rbp), %xmm3
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pop %rdx
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movdqa -0x40(%rbp), %xmm4
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pop %rsi
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movdqa -0x30(%rbp), %xmm5
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pop %rdi
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movdqa -0x20(%rbp), %xmm6
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pop %rax
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movdqa -0x10(%rbp), %xmm7
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leave
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.cfi_def_cfa rsp, 8
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.cfi_same_value rbp
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.endmacro
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_foo:
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.cfi_startproc
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SaveRegisters
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RestoreRegisters
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ret
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.cfi_endproc
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// CHECK: Section {
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// CHECK: Index: 1
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// CHECK: Name: __eh_frame (5F 5F 65 68 5F 66 72 61 6D 65 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: 0x70
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// CHECK: Size: 0x40
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// CHECK: Offset: 480
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// CHECK: Alignment: 3
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// CHECK: RelocationOffset: 0x0
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// CHECK: RelocationCount: 0
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// CHECK: Type: 0xB
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// CHECK: Attributes [ (0x680000)
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// CHECK: LiveSupport (0x80000)
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// CHECK: NoTOC (0x400000)
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// CHECK: StripStaticSyms (0x200000)
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// CHECK: ]
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// CHECK: Reserved1: 0x0
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// CHECK: Reserved2: 0x0
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// CHECK: }
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