#include "genesis/thread.h"
/* Minimize conditionalization for different OS naming schemes. */
-#if defined __linux__ || defined __FreeBSD__ /* (but *not* OpenBSD) */
+#if defined __linux__ || defined __FreeBSD__ || defined __OpenBSD__ || defined __sun
#define GNAME(var) var
#else
#define GNAME(var) _##var
#endif
-/* Get the right type of alignment. Linux and FreeBSD (but not OpenBSD)
+/* Get the right type of alignment. Linux, FreeBSD and OpenBSD
* want alignment in bytes. */
-#if defined(__linux__) || defined(__FreeBSD__)
+#if defined(__linux__) || defined(__FreeBSD__) || defined(__OpenBSD__) || defined(__sun)
#define align_4byte 4
#define align_8byte 8
#define align_16byte 16
.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.
.globl GNAME(call_into_lisp_first_time)
TYPE(GNAME(call_into_lisp_first_time))
-/* The *ALIEN-STACK* pointer is set up on the first call_into_lisp when
- * the stack changes. We don't worry too much about saving registers
+/* We don't worry too much about saving registers
* here, because we never expect to return from the initial call to lisp
* anyway */
GNAME(call_into_lisp_first_time):
push %rbp # Save old frame pointer.
mov %rsp,%rbp # Establish new frame.
- mov %rsp,ALIEN_STACK + SYMBOL_VALUE_OFFSET
#if defined(LISP_FEATURE_DARWIN)
movq GSYM(GNAME(all_threads)),%rax
#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
\f
.text
xor %rbx,%rbx # available
/* Alloc new frame. */
- mov %rsp,%rbx # The current sp marks start of new frame.
- push %rbp # fp in save location S0
- sub $16,%rsp # Ensure 3 slots are allocated, one above.
- mov %rbx,%rbp # Switch to new frame.
+ push %rbp # Dummy for return address
+ push %rbp # fp in save location S1
+ mov %rsp,%rbp # The current sp marks start of new frame.
+ sub $8,%rsp # Ensure 3 slots are allocated, two above.
Lcall:
call *CLOSURE_FUN_OFFSET(%rax)
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 */
+ mov %rdx,%rax # c-val
leave
ret
SIZE(GNAME(call_into_lisp))
.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))
\f
multiple_value_return:
.globl GNAME(fun_end_breakpoint_trap)
+ .align align_16byte,0x90
GNAME(fun_end_breakpoint_trap):
TRAP
.byte trap_FunEndBreakpoint