linux/tools/testing/selftests/sgx/call.S
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   1/* SPDX-License-Identifier: GPL-2.0 */
   2/**
   3* Copyright(c) 2016-20 Intel Corporation.
   4*/
   5
   6        .text
   7
   8        .global sgx_enter_enclave
   9sgx_enter_enclave:
  10        .cfi_startproc
  11        push    %r15
  12        .cfi_adjust_cfa_offset  8
  13        .cfi_rel_offset         %r15, 0
  14        push    %r14
  15        .cfi_adjust_cfa_offset  8
  16        .cfi_rel_offset         %r14, 0
  17        push    %r13
  18        .cfi_adjust_cfa_offset  8
  19        .cfi_rel_offset         %r13, 0
  20        push    %r12
  21        .cfi_adjust_cfa_offset  8
  22        .cfi_rel_offset         %r12, 0
  23        push    %rbx
  24        .cfi_adjust_cfa_offset  8
  25        .cfi_rel_offset         %rbx, 0
  26        push    $0
  27        .cfi_adjust_cfa_offset  8
  28        push    0x38(%rsp)
  29        .cfi_adjust_cfa_offset  8
  30        call    *vdso_sgx_enter_enclave(%rip)
  31        add     $0x10, %rsp
  32        .cfi_adjust_cfa_offset  -0x10
  33        pop     %rbx
  34        .cfi_adjust_cfa_offset  -8
  35        pop     %r12
  36        .cfi_adjust_cfa_offset  -8
  37        pop     %r13
  38        .cfi_adjust_cfa_offset  -8
  39        pop     %r14
  40        .cfi_adjust_cfa_offset  -8
  41        pop     %r15
  42        .cfi_adjust_cfa_offset  -8
  43        ret
  44        .cfi_endproc
  45