summaryrefslogtreecommitdiff
path: root/lib/std/syscall+linux-x64.s
diff options
context:
space:
mode:
Diffstat (limited to 'lib/std/syscall+linux-x64.s')
-rw-r--r--lib/std/syscall+linux-x64.s49
1 files changed, 0 insertions, 49 deletions
diff --git a/lib/std/syscall+linux-x64.s b/lib/std/syscall+linux-x64.s
deleted file mode 100644
index 53291cb..0000000
--- a/lib/std/syscall+linux-x64.s
+++ /dev/null
@@ -1,49 +0,0 @@
-.globl sys$syscall
-sys$syscall:
- /*
- hack: We load 6 args regardless of
- how many we actually have. This may
- load junk values, but if the syscall
- doesn't use them, it's going to be
- harmless.
- */
- movq %rdi,%rax
- /* 8(%rsp): hidden type arg */
- movq 16(%rsp),%rdi
- movq 24(%rsp),%rsi
- movq 32(%rsp),%rdx
- movq 40(%rsp),%r10
- movq 48(%rsp),%r8
- movq 56(%rsp),%r9
-
- syscall
-
- ret
-
-/* clone(flags, stack, ptid, tls, ctid, regs) */
-.globl sys$fnclone
-sys$fnclone:
- pushq %r15
- /* %rsp is modified by clone(), so it's saved here */
- movq 16(%rsp),%r15
- /*
- %rdi: flags, %rsi: stack, %rdx: ptid,
- %rcx: tls, %r8: ctid, %r9: regs
- */
- movq $56,%rax /* syscall num */
- movq %rcx,%r10 /* tls */
- syscall
-
- /* fn() */
- testl %eax,%eax
- jnz parent
- call *%r15
-
- /* exit(0) */
- movq $60, %rax /* exit */
- movq $0, %rdi /* arg: 0 */
- syscall
-
-parent:
- popq %r15
- ret