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gcc/boehm-gc/sparc_sunos4_mach_dep.s
Tom Tromey 20bbd3cd53 Merged GC 5.0alpha4 with local changes, plus:
* Makefile.in: Rebuilt.
	* Makefile.am (gctest_LDADD): Added THREADLIB.
	(TESTS): New macro.
	* configure: Rebuilt.
	* configure.in (INCLUDES): New subst.

From-SVN: r30332
1999-11-01 23:15:51 +00:00

39 lines
847 B
ArmAsm

! 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.
.seg "text"
.globl _GC_save_regs_in_stack
.globl _GC_push_regs
_GC_save_regs_in_stack:
_GC_push_regs:
ta 0x3 ! ST_FLUSH_WINDOWS
mov %sp,%o0
retl
nop
.globl _GC_clear_stack_inner
_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