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| author | tromey <tromey@138bc75d-0d04-0410-961f-82ee72b054a4> | 2000-04-27 00:43:33 +0000 |
|---|---|---|
| committer | tromey <tromey@138bc75d-0d04-0410-961f-82ee72b054a4> | 2000-04-27 00:43:33 +0000 |
| commit | 269a36876f36a3a586e58ac9122bcd2453d98648 (patch) | |
| tree | 86e32819d7f591c74fbd972b3aec948512e9ec6b /boehm-gc/mach_dep.c | |
| parent | 0136a00b98c78ab453bbb93ad0811f8b72dbe336 (diff) | |
| download | gcc-269a36876f36a3a586e58ac9122bcd2453d98648.tar.gz | |
<<<<<<< ChangeLog
2000-04-26 Jakub Jelinek <jakub@redhat.com>
* gcconfig.h (SPARC): Define ALIGNMENT to 8 for 64bit SPARC.
(SPARC/LINUX): Use GC_SysVGetDataStart instead of LINUX_DATA_START
- sparc glibc does not provide it.
(SAVE_CALL_CHAIN, ASM_CLEAR_CODE): Define on sparc*-linux*.
Make STACKBOTTOM depend on the wordsize.
* os_dep.c (GC_SysVGetDataStart): Compile in on sparc*-linux*.
(struct frame): Declare on sparc*-linux*.
(GC_save_callers): Bias the frame pointers if needed (sparc64).
* mach_dep.c (GC_save_regs_in_stack): Optimize on sparc32.
Implement on sparc64.
(GC_clear_stack_inner): Implement on sparc64.
* gc_priv.h (GC_test_and_set): Implement for sparc.
* linux_threads.c (GC_suspend_handler, GC_push_all_stacks): Use
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@33452 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'boehm-gc/mach_dep.c')
| -rw-r--r-- | boehm-gc/mach_dep.c | 26 |
1 files changed, 24 insertions, 2 deletions
diff --git a/boehm-gc/mach_dep.c b/boehm-gc/mach_dep.c index 12c3f07603f..2936fd7f992 100644 --- a/boehm-gc/mach_dep.c +++ b/boehm-gc/mach_dep.c @@ -437,10 +437,16 @@ ptr_t cold_gc_frame; asm(" .globl _GC_save_regs_in_stack"); asm("_GC_save_regs_in_stack:"); # endif +# if defined(__arch64__) || defined(__sparcv9) + asm(" save %sp,-128,%sp"); + asm(" flushw"); + asm(" ret"); + asm(" restore %sp,2047+128,%o0"); +# else asm(" ta 0x3 ! ST_FLUSH_WINDOWS"); - asm(" mov %sp,%o0"); asm(" retl"); - asm(" nop"); + asm(" mov %sp,%o0"); +#endif # ifdef SVR4 asm(" .GC_save_regs_in_stack_end:"); asm(" .size GC_save_regs_in_stack,.GC_save_regs_in_stack_end-GC_save_regs_in_stack"); @@ -488,6 +494,21 @@ ptr_t cold_gc_frame; asm("GC_clear_stack_inner:"); asm(".type GC_save_regs_in_stack,#function"); # endif +#if defined(__arch64__) || defined(__sparcv9) + asm("mov %sp,%o2"); /* Save sp */ + asm("add %sp,2047-8,%o3"); /* p = sp+bias-8 */ + asm("add %o1,-2047-192,%sp"); /* Move sp out of the way, */ + /* so that traps still work. */ + /* Includes some extra words */ + /* so we can be sloppy below. */ + asm("loop:"); + asm("stx %g0,[%o3]"); /* *(long *)p = 0 */ + asm("cmp %o3,%o1"); + asm("bgu,pt %xcc, loop"); /* if (p > limit) goto loop */ + asm("add %o3,-8,%o3"); /* p -= 8 (delay slot) */ + asm("retl"); + asm("mov %o2,%sp"); /* Restore sp., delay slot */ +#else asm("mov %sp,%o2"); /* Save sp */ asm("add %sp,-8,%o3"); /* p = sp-8 */ asm("clr %g1"); /* [g0,g1] = 0 */ @@ -502,6 +523,7 @@ ptr_t cold_gc_frame; asm("add %o3,-8,%o3"); /* p -= 8 (delay slot) */ asm("retl"); asm("mov %o2,%sp"); /* Restore sp., delay slot */ +#endif /* First argument = %o0 = return value */ # ifdef SVR4 asm(" .GC_clear_stack_inner_end:"); |