// Assembly code for making x86-64 syscalls. // // x86-64 syscall argument register ordering is the same as the x86-64 // userspace argument register ordering except that a3 is passed in r10 // instead of rcx, and the syscall number (nr) is passed in eax. // // outline.rs takes care of reordering the nr argument to the end for us, // so we only need to move nr into eax and move rcx into r10 as needed. // // x32 is not yet supported. .file "x86_64.s" .intel_syntax noprefix .section .text.rustix_syscall0_nr_last,"ax",@progbits .p2align 4 .weak rustix_syscall0_nr_last .hidden rustix_syscall0_nr_last .type rustix_syscall0_nr_last, @function rustix_syscall0_nr_last: .cfi_startproc mov eax,edi syscall ret .cfi_endproc .size rustix_syscall0_nr_last, .-rustix_syscall0_nr_last .section .text.rustix_syscall1_nr_last,"ax",@progbits .p2align 4 .weak rustix_syscall1_nr_last .hidden rustix_syscall1_nr_last .type rustix_syscall1_nr_last, @function rustix_syscall1_nr_last: .cfi_startproc mov eax,esi syscall ret .cfi_endproc .size rustix_syscall1_nr_last, .-rustix_syscall1_nr_last .section .text.rustix_syscall1_noreturn_nr_last,"ax",@progbits .p2align 4 .weak rustix_syscall1_noreturn_nr_last .hidden rustix_syscall1_noreturn_nr_last .type rustix_syscall1_noreturn_nr_last, @function rustix_syscall1_noreturn_nr_last: .cfi_startproc mov eax,esi syscall ud2 .cfi_endproc .size rustix_syscall1_noreturn_nr_last, .-rustix_syscall1_noreturn_nr_last .section .text.rustix_syscall2_nr_last,"ax",@progbits .p2align 4 .weak rustix_syscall2_nr_last .hidden rustix_syscall2_nr_last .type rustix_syscall2_nr_last, @function rustix_syscall2_nr_last: .cfi_startproc mov eax,edx syscall ret .cfi_endproc .size rustix_syscall2_nr_last, .-rustix_syscall2_nr_last .section .text.rustix_syscall3_nr_last,"ax",@progbits .p2align 4 .weak rustix_syscall3_nr_last .hidden rustix_syscall3_nr_last .type rustix_syscall3_nr_last, @function rustix_syscall3_nr_last: .cfi_startproc mov eax,ecx syscall ret .cfi_endproc .size rustix_syscall3_nr_last, .-rustix_syscall3_nr_last .section .text.rustix_syscall4_nr_last,"ax",@progbits .p2align 4 .weak rustix_syscall4_nr_last .hidden rustix_syscall4_nr_last .type rustix_syscall4_nr_last, @function rustix_syscall4_nr_last: .cfi_startproc mov eax,r8d mov r10,rcx syscall ret .cfi_endproc .size rustix_syscall4_nr_last, .-rustix_syscall4_nr_last .section .text.rustix_syscall5_nr_last,"ax",@progbits .p2align 4 .weak rustix_syscall5_nr_last .hidden rustix_syscall5_nr_last .type rustix_syscall5_nr_last, @function rustix_syscall5_nr_last: .cfi_startproc mov eax,r9d mov r10,rcx syscall ret .cfi_endproc .size rustix_syscall5_nr_last, .-rustix_syscall5_nr_last .section .text.rustix_syscall6_nr_last,"ax",@progbits .p2align 4 .weak rustix_syscall6_nr_last .hidden rustix_syscall6_nr_last .type rustix_syscall6_nr_last, @function rustix_syscall6_nr_last: .cfi_startproc mov eax,DWORD PTR [rsp+0x8] mov r10,rcx syscall ret .cfi_endproc .size rustix_syscall6_nr_last, .-rustix_syscall6_nr_last .section .note.GNU-stack,"",@progbits