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authorIvan Maidanski <ivmai@mail.ru>2011-08-25 12:11:42 +0400
committerIvan Maidanski <ivmai@mail.ru>2011-08-25 12:11:42 +0400
commit30db5005d67bdcd8bfacd07201b21f20ef6f8b2d (patch)
treed42db85806be5c8e1dee5e1e26fa705ea625159c /sparc_mach_dep.S
parentf73c7687a129ac0cb3918b4bd0186d9cb48aa0f3 (diff)
downloadbdwgc-30db5005d67bdcd8bfacd07201b21f20ef6f8b2d.tar.gz
Move asm machine-dependent files to "src" folder.
* .gitignore: Add entries from "src" folder; add auto-generated files by CMake; allow a suffix for "libatomic_ops" folder. * Makefile.direct (SRCS, mach_dep.o): Move sparc_mach_dep.S, sparc_sunos4_mach_dep.s, sparc_netbsd_mach_dep.s, ia64_save_regs_in_stack.s to "src" directory. * Makefile.dj (SRCS): Ditto. * configure.ac (machdep): Move sparc_mach_dep.lo, sparc_netbsd_mach_dep.lo, ia64_save_regs_in_stack.lo to "src" folder. * PCR-Makefile (mach_dep.o): Remove "if_mach" statement for MIPS. * PCR-Makefile (if_mach, if_not_there): Remove rules. * gc.mak (CPP_PROJ): Prefix libatomic_ops folder with "./".
Diffstat (limited to 'sparc_mach_dep.S')
-rw-r--r--sparc_mach_dep.S61
1 files changed, 0 insertions, 61 deletions
diff --git a/sparc_mach_dep.S b/sparc_mach_dep.S
deleted file mode 100644
index d204dc43..00000000
--- a/sparc_mach_dep.S
+++ /dev/null
@@ -1,61 +0,0 @@
-! 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 5, not SunOS 4.
-! Assumes this is called before the stack contents are
-! examined.
-
- .seg "text"
- .globl GC_save_regs_in_stack
-GC_save_regs_in_stack:
-#if defined(__arch64__) || defined(__sparcv9)
- save %sp,-128,%sp
- flushw
- ret
- restore %sp,2047+128,%o0
-#else /* 32 bit SPARC */
- ta 0x3 ! ST_FLUSH_WINDOWS
- mov %sp,%o0
- retl
- nop
-#endif /* 32 bit SPARC */
-.GC_save_regs_in_stack_end:
- .size GC_save_regs_in_stack,.GC_save_regs_in_stack_end-GC_save_regs_in_stack
-
-! GC_clear_stack_inner(arg, limit) clears stack area up to limit and
-! returns arg. Stack clearing is crucial on SPARC, so we supply
-! an assembly version that s more careful. Assumes limit is hotter
-! than sp, and limit is 8 byte aligned.
- .globl GC_clear_stack_inner
-GC_clear_stack_inner:
-#if defined(__arch64__) || defined(__sparcv9)
- mov %sp,%o2 ! Save sp
- add %sp,2047-8,%o3 ! p = sp+bias-8
- 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.
-loop:
- stx %g0,[%o3] ! *(long *)p = 0
- cmp %o3,%o1
- bgu,pt %xcc, loop ! if (p > limit) goto loop
- add %o3,-8,%o3 ! p -= 8 (delay slot)
- retl
- mov %o2,%sp ! Restore sp., delay slot
-#else /* 32 bit SPARC */
- 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
-#endif /* 32 bit SPARC */
-.GC_clear_stack_inner_end:
- .size GC_clear_stack_inner,.GC_clear_stack_inner_end-GC_clear_stack_inner