87aa9c9e4d
The original patch got reverted because it broke `check-lldb` on a clean build. This fixes that. llvm-svn: 374201
43 lines
1.0 KiB
ArmAsm
43 lines
1.0 KiB
ArmAsm
.text
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.globl bar
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bar:
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.cfi_startproc
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leal (%edi, %edi), %eax
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ret
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.cfi_endproc
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.globl asm_main
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asm_main:
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.cfi_startproc
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pushq %rbp
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.cfi_def_cfa_offset 16
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.cfi_offset %rbp, -16
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movq %rsp, %rbp
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.cfi_def_cfa_register %rbp
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movl $47, %edi
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# install tramp as return address
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# (similar to signal return trampolines on some platforms)
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leaq tramp(%rip), %rax
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pushq %rax
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jmp bar # call, with return address pointing to tramp
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popq %rbp
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.cfi_def_cfa %rsp, 8
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ret
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.cfi_endproc
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.globl tramp
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tramp:
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.cfi_startproc
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.cfi_signal_frame
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# Emit cfi to line up with the frame created by asm_main
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.cfi_def_cfa_offset 16
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.cfi_offset %rbp, -16
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.cfi_def_cfa_register %rbp
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# copy asm_main's epilog to clean up the frame
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popq %rbp
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.cfi_def_cfa %rsp, 8
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ret
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.cfi_endproc
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