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|
.extern syscall_handler
.macro pushall
push %rax
push %rcx
push %rdx
push %rsi
push %rdi
push %r8
push %r9
push %r10
push %r11
pushfq
.endm
.macro popall
popfq
pop %r11
pop %r10
pop %r9
pop %r8
pop %rdi
pop %rsi
pop %rdx
pop %rcx
pop %rax
.endm
.global __syscall
__syscall:
pushq %rcx
pushq %r11
pushall
call syscall_handler
popall
popfq
popq %rcx
sysretq
|
