$NetBSD: patch-ah,v 1.2 1999/12/28 04:57:50 wiz Exp $ --- /dev/null Tue Oct 26 10:29:31 1999 +++ sparc_netbsd_mach_dep.s Tue Oct 26 10:52:55 1999 @@ -0,0 +1,34 @@ +! SPARCompiler 3.0 and later apparently no longer handles +! asm outside functions. So we need a separate .s file +! This is only set up for SunOS 4. +! Assumes this is called before the stack contents are +! examined. + +#include "machine/asm.h" + + .seg "text" + .globl _C_LABEL(GC_save_regs_in_stack) + .globl _C_LABEL(GC_push_regs) +_C_LABEL(GC_save_regs_in_stack): +_C_LABEL(GC_push_regs): + ta 0x3 ! ST_FLUSH_WINDOWS + mov %sp,%o0 + retl + nop + + .globl _C_LABEL(GC_clear_stack_inner) +_C_LABEL(GC_clear_stack_inner): + mov %sp,%o2 ! Save sp + add %sp,-8,%o3 ! p = sp-8 + clr %g1 ! [g0,g1] = 0 + add %o1,-0x60,%sp ! Move sp out of the way, + ! so that traps still work. + ! Includes some extra words + ! so we can be sloppy below. +loop: + std %g0,[%o3] ! *(long long *)p = 0 + cmp %o3,%o1 + bgu loop ! if (p > limit) goto loop + add %o3,-8,%o3 ! p -= 8 (delay slot) + retl + mov %o2,%sp ! Restore sp., delay slot