53 lines
818 B
ArmAsm
53 lines
818 B
ArmAsm
/*
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The kernel uses the following registers:
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%rdi, %rsi, %rdx, %r8, %r9, %r10
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The number of the syscall is passed in %rax.
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A syscall clobbers:
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%rax, %rcx, %r11
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The returned value is placed in %rax.
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*/
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.text
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.globl syscall1
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.type syscall1, @function
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syscall1:
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movq %rsi, %rax // Syscall number.
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syscall
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ret
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// 2 parameters.
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.globl _D5tanya3sys5linux7syscall7syscallFNbNilllZl
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.type _D5tanya3sys5linux7syscall7syscallFNbNilllZl, @function
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_D5tanya3sys5linux7syscall7syscallFNbNilllZl:
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movq %rdx, %rax
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syscall
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ret
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// 6 parameters.
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.globl _D5tanya3sys5linux7syscall7syscallFNbNilllllllZl
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.type _D5tanya3sys5linux7syscall7syscallFNbNilllllllZl, @function
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_D5tanya3sys5linux7syscall7syscallFNbNilllllllZl:
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pushq %rbp
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movq %rsp, %rbp
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movq 16(%rbp), %rax
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mov %rcx, %r10
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syscall
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leave
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ret
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