diff options
author | Ben Cheng <bccheng@google.com> | 2013-03-28 11:14:20 -0700 |
---|---|---|
committer | Ben Cheng <bccheng@google.com> | 2013-03-28 12:40:33 -0700 |
commit | af0c51ac87ab2a87caa03fa108f0d164987a2764 (patch) | |
tree | 4b8b470f7c5b69642fdab8d0aa1fbc148d02196b /gcc-4.8/boehm-gc/sparc_sunos4_mach_dep.s | |
parent | d87cae247d39ebf4f5a6bf25c932a14d2fdb9384 (diff) | |
download | toolchain_gcc-af0c51ac87ab2a87caa03fa108f0d164987a2764.tar.gz toolchain_gcc-af0c51ac87ab2a87caa03fa108f0d164987a2764.tar.bz2 toolchain_gcc-af0c51ac87ab2a87caa03fa108f0d164987a2764.zip |
[GCC 4.8] Initial check-in of GCC 4.8.0
Change-Id: I0719d8a6d0f69b367a6ab6f10eb75622dbf12771
Diffstat (limited to 'gcc-4.8/boehm-gc/sparc_sunos4_mach_dep.s')
-rw-r--r-- | gcc-4.8/boehm-gc/sparc_sunos4_mach_dep.s | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/gcc-4.8/boehm-gc/sparc_sunos4_mach_dep.s b/gcc-4.8/boehm-gc/sparc_sunos4_mach_dep.s new file mode 100644 index 000000000..41858073e --- /dev/null +++ b/gcc-4.8/boehm-gc/sparc_sunos4_mach_dep.s @@ -0,0 +1,38 @@ +! 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 + + + + + + |