X-Git-Url: http://wien.tomnetworks.com/gitweb/?p=hs-boehmgc.git;a=blobdiff_plain;f=gc-7.2%2Fsparc_netbsd_mach_dep.s;fp=gc-7.2%2Fsparc_netbsd_mach_dep.s;h=bc3f1603735f1b7790fde8c22013e2a0dd6ae994;hp=0000000000000000000000000000000000000000;hb=324587ba93dc77f37406d41fd2a20d0e0d94fb1d;hpb=2a4ea609491b225a1ceb06da70396e93916f137a

diff --git a/gc-7.2/sparc_netbsd_mach_dep.s b/gc-7.2/sparc_netbsd_mach_dep.s
new file mode 100644
index 0000000..bc3f160
--- /dev/null
+++ b/gc-7.2/sparc_netbsd_mach_dep.s
@@ -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