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Diffstat (limited to 'mach_dep.c')
-rw-r--r--mach_dep.c46
1 files changed, 28 insertions, 18 deletions
diff --git a/mach_dep.c b/mach_dep.c
index 4a66d5d..3dc5f0b 100644
--- a/mach_dep.c
+++ b/mach_dep.c
@@ -74,7 +74,8 @@ asm static void PushMacRegisters()
/* on your architecture. Run the test_setjmp program to see whether */
/* there is any chance it will work. */
-#ifndef USE_GENERIC_PUSH_REGS
+#if !defined(USE_GENERIC_PUSH_REGS) && !defined(USE_ASM_PUSH_REGS)
+#undef HAVE_PUSH_REGS
void GC_push_regs()
{
# ifdef RT
@@ -91,6 +92,7 @@ void GC_push_regs()
asm("pushl r8"); asm("calls $1,_GC_push_one");
asm("pushl r7"); asm("calls $1,_GC_push_one");
asm("pushl r6"); asm("calls $1,_GC_push_one");
+# define HAVE_PUSH_REGS
# endif
# if defined(M68K) && (defined(SUNOS4) || defined(NEXT))
/* M68K SUNOS - could be replaced by generic code */
@@ -113,6 +115,7 @@ void GC_push_regs()
asm("movl d7,sp@"); asm("jbsr _GC_push_one");
asm("addqw #0x4,sp"); /* put stack back where it was */
+# define HAVE_PUSH_REGS
# endif
# if defined(M68K) && defined(HP)
@@ -135,6 +138,7 @@ void GC_push_regs()
asm("mov.l %d7,(%sp)"); asm("jsr _GC_push_one");
asm("addq.w &0x4,%sp"); /* put stack back where it was */
+# define HAVE_PUSH_REGS
# endif /* M68K HP */
# if defined(M68K) && defined(AMIGA)
@@ -158,6 +162,7 @@ void GC_push_regs()
asm("mov.l %d7,(%sp)"); asm("jsr _GC_push_one");
asm("addq.w &0x4,%sp"); /* put stack back where it was */
+# define HAVE_PUSH_REGS
# else /* !__GNUC__ */
GC_push_one(getreg(REG_A2));
GC_push_one(getreg(REG_A3));
@@ -174,6 +179,7 @@ void GC_push_regs()
GC_push_one(getreg(REG_D5));
GC_push_one(getreg(REG_D6));
GC_push_one(getreg(REG_D7));
+# define HAVE_PUSH_REGS
# endif /* !__GNUC__ */
# endif /* AMIGA */
@@ -196,10 +202,12 @@ void GC_push_regs()
PushMacReg(d7);
add.w #4,sp ; fix stack.
}
+# define HAVE_PUSH_REGS
# undef PushMacReg
# endif /* THINK_C */
# if defined(__MWERKS__)
PushMacRegisters();
+# define HAVE_PUSH_REGS
# endif /* __MWERKS__ */
# endif /* MACOS */
@@ -222,6 +230,7 @@ void GC_push_regs()
asm("pushl %esi"); asm("call _GC_push_one"); asm("addl $4,%esp");
asm("pushl %edi"); asm("call _GC_push_one"); asm("addl $4,%esp");
asm("pushl %ebx"); asm("call _GC_push_one"); asm("addl $4,%esp");
+# define HAVE_PUSH_REGS
# endif
# if ( defined(I386) && defined(LINUX) && defined(__ELF__) ) \
@@ -244,6 +253,7 @@ void GC_push_regs()
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");
+# define HAVE_PUSH_REGS
# endif
# if ( defined(I386) && defined(BEOS) && defined(__ELF__) )
@@ -255,6 +265,7 @@ void GC_push_regs()
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");
+# define HAVE_PUSH_REGS
# endif
# if defined(I386) && defined(MSWIN32) && !defined(__MINGW32__) \
@@ -281,6 +292,7 @@ void GC_push_regs()
__asm push edi
__asm call GC_push_one
__asm add esp,4
+# define HAVE_PUSH_REGS
# endif
# if defined(I386) && (defined(SVR4) || defined(SCO) || defined(SCO_ELF))
@@ -292,6 +304,7 @@ void GC_push_regs()
asm("pushl %ebp"); asm("call GC_push_one"); asm("addl $4,%esp");
asm("pushl %esi"); asm("call GC_push_one"); asm("addl $4,%esp");
asm("pushl %edi"); asm("call GC_push_one"); asm("addl $4,%esp");
+# define HAVE_PUSH_REGS
# endif
# ifdef NS32K
@@ -300,14 +313,12 @@ void GC_push_regs()
asm ("movd r5, tos"); asm ("bsr ?_GC_push_one"); asm ("adjspb $-4");
asm ("movd r6, tos"); asm ("bsr ?_GC_push_one"); asm ("adjspb $-4");
asm ("movd r7, tos"); asm ("bsr ?_GC_push_one"); asm ("adjspb $-4");
+# define HAVE_PUSH_REGS
# endif
# if defined(SPARC)
- {
- word GC_save_regs_in_stack();
-
- GC_save_regs_ret_val = GC_save_regs_in_stack();
- }
+ GC_save_regs_ret_val = GC_save_regs_in_stack();
+# define HAVE_PUSH_REGS
# endif
# ifdef RT
@@ -323,6 +334,7 @@ void GC_push_regs()
asm("cas r11, r13, r0"); GC_push_one(TMP_SP); /* through */
asm("cas r11, r14, r0"); GC_push_one(TMP_SP); /* r15 */
asm("cas r11, r15, r0"); GC_push_one(TMP_SP);
+# define HAVE_PUSH_REGS
# endif
# if defined(M68K) && defined(SYSV)
@@ -346,6 +358,7 @@ void GC_push_regs()
asm("movl %d7,%sp@"); asm("jbsr GC_push_one");
asm("addqw #0x4,%sp"); /* put stack back where it was */
+# define HAVE_PUSH_REGS
# else /* !__GNUC__*/
asm("subq.w &0x4,%sp"); /* allocate word on top of stack */
@@ -363,6 +376,7 @@ void GC_push_regs()
asm("mov.l %d7,(%sp)"); asm("jsr GC_push_one");
asm("addq.w &0x4,%sp"); /* put stack back where it was */
+# define HAVE_PUSH_REGS
# endif /* !__GNUC__ */
# endif /* M68K/SYSV */
@@ -372,21 +386,19 @@ void GC_push_regs()
extern int *__libc_stack_end;
GC_push_all_stack (sp, __libc_stack_end);
+# define HAVE_PUSH_REGS
+ /* Isn't this redundant with the code to push the stack? */
}
# endif
/* other machines... */
-# if !defined(M68K) && !defined(VAX) && !defined(RT)
-# if !defined(SPARC) && !defined(I386) && !defined(NS32K)
-# if !defined(POWERPC) && !defined(UTS4)
-# if !defined(PJ) && !(defined(MIPS) && defined(LINUX))
- --> bad news <--
-# endif
-# endif
-# endif
+# if !defined(HAVE_PUSH_REGS)
+ --> We just generated an empty GC_push_regs, which
+ --> is almost certainly broken. Try defining
+ --> USE_GENERIC_PUSH_REGS instead.
# endif
}
-#endif /* !USE_GENERIC_PUSH_REGS */
+#endif /* !USE_GENERIC_PUSH_REGS && !USE_ASM_PUSH_REGS */
#if defined(USE_GENERIC_PUSH_REGS)
void GC_generic_push_regs(cold_gc_frame)
@@ -428,8 +440,6 @@ ptr_t cold_gc_frame;
/* needed on IA64, since some non-windowed registers are */
/* preserved. */
{
- word GC_save_regs_in_stack();
-
GC_save_regs_ret_val = GC_save_regs_in_stack();
/* On IA64 gcc, could use __builtin_ia64_flushrs() and */
/* __builtin_ia64_flushrs(). The latter will be done */
@@ -446,7 +456,7 @@ ptr_t cold_gc_frame;
/* the stack. Return sp. */
# ifdef SPARC
asm(" .seg \"text\"");
-# ifdef SVR4
+# if defined(SVR4) || defined(NETBSD)
asm(" .globl GC_save_regs_in_stack");
asm("GC_save_regs_in_stack:");
asm(" .type GC_save_regs_in_stack,#function");