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/*
The kernel uses the following registers:
%rdi, %rsi, %rdx, %r8, %r9, %r10
The number of the syscall is passed in %rax.
A syscall clobbers:
%rax, %rcx, %r11
The returned value is placed in %rax.
*/
.text
.globl syscall1
.type syscall1, @function
syscall1:
movq %rsi, %rax // Syscall number.
syscall
ret
// 2 parameters.
.globl _D5tanya3sys5linux7syscallQiFNbNilllZl
.type _D5tanya3sys5linux7syscallQiFNbNilllZl, @function
_D5tanya3sys5linux7syscallQiFNbNilllZl:
movq %rdx, %rax
syscall
ret
// 6 parameters.
.globl _D5tanya3sys5linux7syscallQiFNbNilllllllZl
.type _D5tanya3sys5linux7syscallQiFNbNilllllllZl, @function
_D5tanya3sys5linux7syscallQiFNbNilllllllZl:
pushq %rbp
movq %rsp, %rbp
movq 16(%rbp), %rax
mov %rcx, %r10
syscall
leave
ret
|
