diff options
Diffstat (limited to 'boehm-gc/mach_dep.c')
| -rw-r--r-- | boehm-gc/mach_dep.c | 59 |
1 files changed, 44 insertions, 15 deletions
diff --git a/boehm-gc/mach_dep.c b/boehm-gc/mach_dep.c index 2936fd7f992..45cae1f8c39 100644 --- a/boehm-gc/mach_dep.c +++ b/boehm-gc/mach_dep.c @@ -12,7 +12,7 @@ * modified is included with the above copyright notice. */ /* Boehm, November 17, 1995 12:13 pm PST */ -# include "gc_priv.h" +# include "private/gc_priv.h" # include <stdio.h> # include <setjmp.h> # if defined(OS2) || defined(CX_UX) @@ -21,7 +21,7 @@ # endif # ifdef AMIGA # ifndef __GNUC__ -# include <dos/dos.h> +# include <dos.h> # else # include <machine/reg.h> # endif @@ -178,7 +178,10 @@ void GC_push_regs() # else /* !__GNUC__ */ GC_push_one(getreg(REG_A2)); GC_push_one(getreg(REG_A3)); - GC_push_one(getreg(REG_A4)); +# ifndef __SASC + /* Can probably be changed to #if 0 -Kjetil M. (a4=globals)*/ + GC_push_one(getreg(REG_A4)); +# endif GC_push_one(getreg(REG_A5)); GC_push_one(getreg(REG_A6)); /* Skip stack pointer */ @@ -220,8 +223,11 @@ void GC_push_regs() # if defined(I386) &&!defined(OS2) &&!defined(SVR4) \ && (defined(__MINGW32__) || !defined(MSWIN32)) \ && !defined(SCO) && !defined(SCO_ELF) \ - && !(defined(LINUX) && defined(__ELF__)) \ + && !(defined(LINUX) && defined(__ELF__)) \ && !(defined(FREEBSD) && defined(__ELF__)) \ + && !(defined(NETBSD) && defined(__ELF__)) \ + && !(defined(OPENBSD) && defined(__ELF__)) \ + && !(defined(BEOS) && defined(__ELF__)) \ && !defined(DOS4GW) /* I386 code, generic code does not appear to work */ /* It does appear to work under OS2, and asms dont */ @@ -236,7 +242,9 @@ void GC_push_regs() # endif # if ( defined(I386) && defined(LINUX) && defined(__ELF__) ) \ - || ( defined(I386) && defined(FREEBSD) && defined(__ELF__) ) + || ( defined(I386) && defined(FREEBSD) && defined(__ELF__) ) \ + || ( defined(I386) && defined(NETBSD) && defined(__ELF__) ) \ + || ( defined(I386) && defined(OPENBSD) && defined(__ELF__) ) /* This is modified for Linux with ELF (Note: _ELF_ only) */ /* This section handles FreeBSD with ELF. */ @@ -253,6 +261,17 @@ void GC_push_regs() asm("pushl %ebx; call GC_push_one; addl $4,%esp"); # endif +# if ( defined(I386) && defined(BEOS) && defined(__ELF__) ) + /* As far as I can understand from */ + /* http://www.beunited.org/articles/jbq/nasm.shtml, */ + /* only ebp, esi, edi and ebx are not scratch. How MMX */ + /* etc. registers should be treated, I have no idea. */ + asm("pushl %ebp; call GC_push_one; addl $4,%esp"); + asm("pushl %esi; call GC_push_one; addl $4,%esp"); + asm("pushl %edi; call GC_push_one; addl $4,%esp"); + asm("pushl %ebx; call GC_push_one; addl $4,%esp"); +# endif + # if defined(I386) && defined(MSWIN32) && !defined(__MINGW32__) \ && !defined(USE_GENERIC) /* I386 code, Microsoft variant */ @@ -402,7 +421,8 @@ ptr_t cold_gc_frame; for (; (char *)i < lim; i++) { *i = 0; } -# if defined(POWERPC) || defined(MSWIN32) || defined(UTS4) || defined(LINUX) +# if defined(POWERPC) || defined(MSWIN32) || defined(MSWINCE) \ + || defined(UTS4) || defined(LINUX) (void) setjmp(regs); # else (void) _setjmp(regs); @@ -438,15 +458,15 @@ ptr_t cold_gc_frame; 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"); + asm(" save %sp,-128,%sp"); + asm(" flushw"); + asm(" ret"); + asm(" restore %sp,2047+128,%o0"); # else - asm(" ta 0x3 ! ST_FLUSH_WINDOWS"); - asm(" retl"); - asm(" mov %sp,%o0"); -#endif + asm(" ta 0x3 ! ST_FLUSH_WINDOWS"); + asm(" retl"); + 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"); @@ -460,6 +480,7 @@ ptr_t cold_gc_frame; /* up on the other side of the stack segment. */ /* Returns the backing store pointer for the register stack. */ # ifdef IA64 +# ifdef __GNUC__ asm(" .text"); asm(" .psr abi64"); asm(" .psr lsb"); @@ -476,6 +497,14 @@ ptr_t cold_gc_frame; asm(" mov r8=ar.bsp"); asm(" br.ret.sptk.few rp"); asm(" .endp GC_save_regs_in_stack"); +# else + void GC_save_regs_in_stack() { + asm(" flushrs"); + asm(" ;;"); + asm(" mov r8=ar.bsp"); + asm(" br.ret.sptk.few rp"); + } +# endif # endif /* GC_clear_stack_inner(arg, limit) clears stack area up to limit and */ @@ -523,7 +552,7 @@ 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 +#endif /* old SPARC */ /* First argument = %o0 = return value */ # ifdef SVR4 asm(" .GC_clear_stack_inner_end:"); |