X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=src%2Fruntime%2Fx86-64-assem.S;h=85d5238583f98eb0537f6ecacdd28dfe15c10f77;hb=07ab1e4811ab16f95a9a5e8d767426a0787f22c0;hp=2e8e1c7667343a2a8e11240543b712b25aa8cfe4;hpb=37ded584cea0417c261a043301d9ea3a83916f0a;p=sbcl.git

diff --git a/src/runtime/x86-64-assem.S b/src/runtime/x86-64-assem.S
index 2e8e1c7..85d5238 100644
--- a/src/runtime/x86-64-assem.S
+++ b/src/runtime/x86-64-assem.S
@@ -105,9 +105,6 @@
 	.globl  GNAME(call_into_c)
 	TYPE(GNAME(call_into_c))
 GNAME(call_into_c):
-        /* ABI requires that the direction flag be clear on function
-         * entry and exit. */
-        cld
 	push	%rbp		# Save old frame pointer.
 	mov	%rsp,%rbp	# Establish new frame.
 
@@ -146,10 +143,7 @@ GNAME(call_into_lisp_first_time):
 #else
         movq    GNAME(all_threads),%rax
 #endif
-	mov     THREAD_CONTROL_STACK_START_OFFSET(%rax) ,%rsp
-	/* don't think too hard about what happens if we get interrupted
-	* here */
-        add 	$(THREAD_CONTROL_STACK_SIZE)-16,%rsp
+	mov     THREAD_CONTROL_STACK_END_OFFSET(%rax) ,%rsp
 	jmp     Lstack
 
 	.text	
@@ -182,10 +176,19 @@ Lstack:
 	push	%rsi	#
 	push	%rdx	#
 #ifdef LISP_FEATURE_SB_THREAD
+#ifdef LISP_FEATURE_GCC_TLS
+	movq	%fs:0, %rax
+	movq	GNAME(current_thread)@TPOFF(%rax), %r12
+#else
+#ifdef LISP_FEATURE_DARWIN
+	mov	GSYM(GNAME(specials)),%rdi
+#else
 	mov	specials,%rdi
-	call    pthread_getspecific
+#endif
+	call    GNAME(pthread_getspecific)
 	mov	%rax,%r12
 #endif
+#endif
 	pop	%rcx	# num args
 	pop	%rbx	# arg vector
 	pop	%rax	# function ptr/lexenv
@@ -232,10 +235,6 @@ LsingleValue:
 	pop	%r12
 	pop	%rbx
 
-        /* ABI requires that the direction flag be clear on function
-         * entry and exit. */
-        cld
-        
 /* FIXME Restore the NPX state. */
 
 	/* return value is already in rax where lisp expects it */
@@ -247,19 +246,17 @@ LsingleValue:
 	.text
 	.globl 	GNAME(fpu_save)
 	TYPE(GNAME(fpu_save))
-	.align	2,0x90
+	.align	align_16byte,0x90
 GNAME(fpu_save):
-	mov	4(%rsp),%rax
-	fnsave	(%rax)		# Save the NPX state. (resets NPX)
+	fnsave	(%rdi)		# Save the NPX state. (resets NPX)
 	ret
 	SIZE(GNAME(fpu_save))
 
 	.globl 	GNAME(fpu_restore)
 	TYPE(GNAME(fpu_restore))
-	.align	2,0x90
+	.align	align_16byte,0x90
 GNAME(fpu_restore):
-	mov	4(%rsp),%rax
-	frstor	(%rax)		# Restore the NPX state.
+	frstor	(%rdi)		# Restore the NPX state.
 	ret
 	SIZE(GNAME(fpu_restore))
 
@@ -267,7 +264,7 @@ GNAME(fpu_restore):
  * the undefined-function trampoline
  */
 	.text
-	.align	align_8byte,0x90
+	.align	align_16byte,0x90
 	.globl  GNAME(undefined_tramp)
 	TYPE(GNAME(undefined_tramp))
 GNAME(undefined_tramp):
@@ -281,7 +278,7 @@ GNAME(undefined_tramp):
 
 
 	.text
-	.align	align_8byte,0x90
+	.align	align_16byte,0x90
 	.globl  GNAME(alloc_tramp)
 	TYPE(GNAME(alloc_tramp))
 GNAME(alloc_tramp):
@@ -317,7 +314,7 @@ GNAME(alloc_tramp):
  * the closure trampoline
  */
 	.text
-	.align	align_8byte,0x90
+	.align	align_16byte,0x90
 	.globl  GNAME(closure_tramp)
 	TYPE(GNAME(closure_tramp))
 GNAME(closure_tramp):
@@ -332,7 +329,7 @@ GNAME(closure_tramp):
 	SIZE(GNAME(closure_tramp))
 
 	.text
-	.align	align_8byte,0x90
+	.align	align_16byte,0x90
 	.globl  GNAME(funcallable_instance_tramp)
 #if !defined(LISP_FEATURE_DARWIN)
         .type	GNAME(funcallable_instance_tramp),@function
@@ -350,7 +347,7 @@ GNAME(closure_tramp):
  */
 	.text
 	.globl 	GNAME(fun_end_breakpoint_guts)
-	.align	align_8byte
+	.align	align_16byte
 GNAME(fun_end_breakpoint_guts):
 	/* Multiple Value return */
 	jc	multiple_value_return
@@ -370,6 +367,7 @@ GNAME(fun_end_breakpoint_guts):
 multiple_value_return:
 	
 	.globl  GNAME(fun_end_breakpoint_trap)
+	.align	align_16byte,0x90
 GNAME(fun_end_breakpoint_trap):
 	TRAP
 	.byte 	trap_FunEndBreakpoint
@@ -381,7 +379,7 @@ GNAME(fun_end_breakpoint_end):
 
 	.globl 	GNAME(do_pending_interrupt)
 	TYPE(GNAME(do_pending_interrupt))
-	.align	align_8byte,0x90
+	.align	align_16byte,0x90
 GNAME(do_pending_interrupt):
 	TRAP
 	.byte 	trap_PendingInterrupt
@@ -390,7 +388,7 @@ GNAME(do_pending_interrupt):
 
 	.globl	GNAME(post_signal_tramp)
 	TYPE(GNAME(post_signal_tramp))
-	.align	align_8byte,0x90
+	.align	align_16byte,0x90
 GNAME(post_signal_tramp):
 	/* this is notionally the second half of a function whose first half
  	 * doesn't exist.  This is where call_into_lisp returns when called 
@@ -416,7 +414,7 @@ GNAME(post_signal_tramp):
 	SIZE(GNAME(post_signal_tramp))
 
 	.text
-	.align	align_8byte,0x90
+	.align	align_16byte,0x90
 	.globl  GNAME(fast_bzero)
 	TYPE(GNAME(fast_bzero))