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-rw-r--r--src/thread/x32/__set_thread_area.s10
-rw-r--r--src/thread/x32/__unmapself.s10
-rw-r--r--src/thread/x32/clone.s27
-rw-r--r--src/thread/x32/syscall_cp.s23
4 files changed, 70 insertions, 0 deletions
diff --git a/src/thread/x32/__set_thread_area.s b/src/thread/x32/__set_thread_area.s
new file mode 100644
index 00000000..f3ff4f61
--- /dev/null
+++ b/src/thread/x32/__set_thread_area.s
@@ -0,0 +1,10 @@
+/* Copyright 2011-2012 Nicholas J. Kain, licensed under standard MIT license */
+.text
+.global __set_thread_area
+.type __set_thread_area,@function
+__set_thread_area:
+ mov %rdi,%rsi /* shift for syscall */
+ movl $0x1002,%edi /* SET_FS register */
+ movl $158,%eax /* set fs segment to */
+ syscall /* arch_prctl(SET_FS, arg)*/
+ ret
diff --git a/src/thread/x32/__unmapself.s b/src/thread/x32/__unmapself.s
new file mode 100644
index 00000000..e2689e65
--- /dev/null
+++ b/src/thread/x32/__unmapself.s
@@ -0,0 +1,10 @@
+/* Copyright 2011-2012 Nicholas J. Kain, licensed under standard MIT license */
+.text
+.global __unmapself
+.type __unmapself,@function
+__unmapself:
+ movl $11,%eax /* SYS_munmap */
+ syscall /* munmap(arg2,arg3) */
+ xor %rdi,%rdi /* exit() args: always return success */
+ movl $60,%eax /* SYS_exit */
+ syscall /* exit(0) */
diff --git a/src/thread/x32/clone.s b/src/thread/x32/clone.s
new file mode 100644
index 00000000..ee59903a
--- /dev/null
+++ b/src/thread/x32/clone.s
@@ -0,0 +1,27 @@
+.text
+.global __clone
+.type __clone,@function
+__clone:
+ xor %eax,%eax
+ mov $56,%al
+ mov %rdi,%r11
+ mov %rdx,%rdi
+ mov %r8,%rdx
+ mov %r9,%r8
+ mov 8(%rsp),%r10
+ mov %r11,%r9
+ and $-16,%rsi
+ sub $8,%rsi
+ mov %rcx,(%rsi)
+ syscall
+ test %eax,%eax
+ jnz 1f
+ xor %ebp,%ebp
+ pop %rdi
+ call *%r9
+ mov %eax,%edi
+ xor %eax,%eax
+ mov $60,%al
+ syscall
+ hlt
+1: ret
diff --git a/src/thread/x32/syscall_cp.s b/src/thread/x32/syscall_cp.s
new file mode 100644
index 00000000..788c53cc
--- /dev/null
+++ b/src/thread/x32/syscall_cp.s
@@ -0,0 +1,23 @@
+.text
+.global __syscall_cp_asm
+.type __syscall_cp_asm,@function
+__syscall_cp_asm:
+
+.global __cp_begin
+__cp_begin:
+ mov (%rdi),%eax
+ test %eax,%eax
+ jnz __cancel
+ mov %rdi,%r11
+ mov %rsi,%rax
+ mov %rdx,%rdi
+ mov %rcx,%rsi
+ mov %r8,%rdx
+ mov %r9,%r10
+ mov 8(%rsp),%r8
+ mov 16(%rsp),%r9
+ mov %r11,8(%rsp)
+ syscall
+.global __cp_end
+__cp_end:
+ ret