diff options
| author | Tom Tromey <tromey@gcc.gnu.org> | 1999-04-07 08:01:30 +0000 |
|---|---|---|
| committer | Tom Tromey <tromey@gcc.gnu.org> | 1999-04-07 08:01:30 +0000 |
| commit | 73ffefd017128fecccdd52aa8b6fb9f042e0bbb8 (patch) | |
| tree | e6d8fcc8767be9361e18c552ee43ecfc3b4fdea8 /boehm-gc/sparc_mach_dep.s | |
| parent | c46bb2fd3d0119fff60915dbefc4e0aa3147e8a2 (diff) | |
| download | gcc-73ffefd017128fecccdd52aa8b6fb9f042e0bbb8.zip gcc-73ffefd017128fecccdd52aa8b6fb9f042e0bbb8.tar.gz gcc-73ffefd017128fecccdd52aa8b6fb9f042e0bbb8.tar.bz2 | |
Initial revision
From-SVN: r26246
Diffstat (limited to 'boehm-gc/sparc_mach_dep.s')
| -rw-r--r-- | boehm-gc/sparc_mach_dep.s | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/boehm-gc/sparc_mach_dep.s b/boehm-gc/sparc_mach_dep.s new file mode 100644 index 0000000..a6a0a241 --- /dev/null +++ b/boehm-gc/sparc_mach_dep.s @@ -0,0 +1,38 @@ +! SPARCompiler 3.0 and later apparently no loner handles +! asm outside functions. So we need a separate .s file +! This is only set up for SunOS 5, not 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 + + + + + +
\ No newline at end of file |