diff options
Diffstat (limited to 'src/user/lib/syscall.s')
| -rw-r--r-- | src/user/lib/syscall.s | 31 |
1 files changed, 16 insertions, 15 deletions
diff --git a/src/user/lib/syscall.s b/src/user/lib/syscall.s index 0af49f3..0f9e444 100644 --- a/src/user/lib/syscall.s +++ b/src/user/lib/syscall.s @@ -2,23 +2,24 @@ .global _syscall .type _syscall, @function _syscall: - push %ebx // preserve registers - push %esi - push %edi - push %ebp + push %rbx // preserve registers + push %rsi + push %rdi + push %rbp - mov 20(%esp), %eax - mov 24(%esp), %ebx - mov %esp, %ecx - mov $_syscall_ret, %edx - mov 28(%esp), %esi - mov 32(%esp), %edi - mov 36(%esp), %ebp + // NOT the calling convention TODO you lazy fuck + mov 20(%rsp), %rax + mov 24(%rsp), %rbx + mov %rsp, %rcx + mov $_syscall_ret, %rdx + mov 28(%rsp), %rsi + mov 32(%rsp), %rdi + mov 36(%rsp), %rbp sysenter _syscall_ret: - pop %ebp - pop %edi - pop %esi - pop %ebx + pop %rbp + pop %rdi + pop %rsi + pop %rbx ret |