46 lines
1.2 KiB
ArmAsm
46 lines
1.2 KiB
ArmAsm
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// Copyright 2019 The gVisor Authors.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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.text
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.align 4
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.type _start,@function
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.globl _start
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_start:
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movq %rsp,%rdi
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call __init
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hlt
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.size _start,.-_start
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.section .note.GNU-stack,"",@progbits
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.text
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.globl raw_syscall
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.type raw_syscall, @function
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raw_syscall:
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mov %rdi,%rax // syscall #
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mov %rsi,%rdi // arg0
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mov %rdx,%rsi // arg1
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mov %rcx,%rdx // arg2
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mov %r8,%r10 // arg3 (goes in r10 instead of rcx for system calls)
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mov %r9,%r8 // arg4
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mov 0x8(%rsp),%r9 // arg5
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syscall
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ret
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.size raw_syscall,.-raw_syscall
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.section .note.GNU-stack,"",@progbits
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