1 ! SPARCompiler 3.0 and later apparently no longer handles
2 ! asm outside functions. So we need a separate .s file
3 ! This is only set up for SunOS 4.
4 ! Assumes this is called before the stack contents are
5 ! examined.
6 7 #include "machine/asm.h"
8 9 .seg "text"
10 .globl _C_LABEL(GC_save_regs_in_stack)
11 _C_LABEL(GC_save_regs_in_stack):
12 ta 0x3 ! ST_FLUSH_WINDOWS
13 mov %sp,%o0
14 retl
15 nop
16 17 .globl _C_LABEL(GC_clear_stack_inner)
18 _C_LABEL(GC_clear_stack_inner):
19 mov %sp,%o2 ! Save sp
20 add %sp,-8,%o3 ! p = sp-8
21 clr %g1 ! [g0,g1] = 0
22 add %o1,-0x60,%sp ! Move sp out of the way,
23 ! so that traps still work.
24 ! Includes some extra words
25 ! so we can be sloppy below.
26 loop:
27 std %g0,[%o3] ! *(long long *)p = 0
28 cmp %o3,%o1
29 bgu loop ! if (p > limit) goto loop
30 add %o3,-8,%o3 ! p -= 8 (delay slot)
31 retl
32 mov %o2,%sp ! Restore sp., delay slot
33