x32 port (diff against vanilla x86_64)

src/thread/x32/__set_thread_area.s

@@ -5,6 +5,6 @@
 __set_thread_area:
 	mov %rdi,%rsi           /* shift for syscall */
 	movl $0x1002,%edi       /* SET_FS register */
-	movl $158,%eax          /* set fs segment to */
+	movl $0x4000009e,%eax          /* set fs segment to */
 	syscall                 /* arch_prctl(SET_FS, arg)*/
 	ret

src/thread/x32/__unmapself.s

@@ -3,8 +3,8 @@
 .global __unmapself
 .type   __unmapself,@function
 __unmapself:
-	movl $11,%eax   /* SYS_munmap */
+	movl $0x4000000b,%eax   /* SYS_munmap */
 	syscall         /* munmap(arg2,arg3) */
 	xor %rdi,%rdi   /* exit() args: always return success */
-	movl $60,%eax   /* SYS_exit */
+	movl $0x4000003c,%eax   /* SYS_exit */
 	syscall         /* exit(0) */

src/thread/x32/clone.s

@@ -2,8 +2,7 @@
 .global __clone
 .type   __clone,@function
 __clone:
-	xor %eax,%eax
-	mov $56,%al
+	movl $0x40000038,%eax /* SYS_clone */
 	mov %rdi,%r11
 	mov %rdx,%rdi
 	mov %r8,%rdx
@@ -20,8 +19,7 @@ __clone:
 	pop %rdi
 	call *%r9
 	mov %eax,%edi
-	xor %eax,%eax
-	mov $60,%al
+	movl $0x4000003c,%eax /* SYS_exit */
 	syscall
 	hlt
 1:	ret

src/thread/x32/syscall_cp.s

@@ -1,7 +1,7 @@
 .text
-.global __syscall_cp_asm
-.type   __syscall_cp_asm,@function
-__syscall_cp_asm:
+.global __syscall_cp_internal
+.type   __syscall_cp_internal,@function
+__syscall_cp_internal:
 
 .global __cp_begin
 __cp_begin: