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bd78c9c3311244dd5f877c915b0dff91621dd253
cpython-source-deps/patches/mint
Anthony Green bd78c9c331 More cygwin fixes
2012-03-21 08:09:30 -04:00

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Index: libffi/ChangeLog
===================================================================
--- libffi.orig/ChangeLog
+++ libffi/ChangeLog
@@ -1,3 +1,8 @@
+2012-03-19 Alan Hourihane <alanh@fairlite.co.uk>
+
+ * src/m68k/ffi.c: Add MINT support.
+ * src/m68k/sysv.S: Ditto.
+
2012-03-19 chennam <csit@axway.com>
* src/powerpc/ffi_darwin.c (ffi_prep_closure_loc): Fix AIX closure
Index: libffi/src/m68k/ffi.c
===================================================================
--- libffi.orig/src/m68k/ffi.c
+++ libffi/src/m68k/ffi.c
@@ -1,7 +1,7 @@
/* -----------------------------------------------------------------------
ffi.c
-
- m68k Foreign Function Interface
+
+ m68k Foreign Function Interface
----------------------------------------------------------------------- */
#include <ffi.h>
@@ -13,8 +13,13 @@
void rtems_cache_flush_multiple_data_lines( const void *, size_t );
#else
#include <sys/syscall.h>
+#ifdef __MINT__
+#include <mint/mintbind.h>
+#include <mint/ssystem.h>
+#else
#include <asm/cachectl.h>
#endif
+#endif
void ffi_call_SYSV (extended_cif *,
unsigned, unsigned,
@@ -39,8 +44,12 @@ ffi_prep_args (void *stack, extended_cif
argp = stack;
- if (ecif->cif->rtype->type == FFI_TYPE_STRUCT
- && !ecif->cif->flags)
+ if (
+#ifdef __MINT__
+ (ecif->cif->rtype->type == FFI_TYPE_LONGDOUBLE) ||
+#endif
+ (((ecif->cif->rtype->type == FFI_TYPE_STRUCT)
+ && !ecif->cif->flags)))
struct_value_ptr = ecif->rvalue;
else
struct_value_ptr = NULL;
@@ -51,12 +60,12 @@ ffi_prep_args (void *stack, extended_cif
i != 0;
i--, p_arg++)
{
- size_t z;
+ size_t z = (*p_arg)->size;
+ int type = (*p_arg)->type;
- z = (*p_arg)->size;
if (z < sizeof (int))
{
- switch ((*p_arg)->type)
+ switch (type)
{
case FFI_TYPE_SINT8:
*(signed int *) argp = (signed int) *(SINT8 *) *p_argv;
@@ -75,7 +84,14 @@ ffi_prep_args (void *stack, extended_cif
break;
case FFI_TYPE_STRUCT:
+#ifdef __MINT__
+ if (z == 1 || z == 2)
+ memcpy (argp + 2, *p_argv, z);
+ else
+ memcpy (argp, *p_argv, z);
+#else
memcpy (argp + sizeof (int) - z, *p_argv, z);
+#endif
break;
default:
@@ -120,17 +136,34 @@ ffi_prep_cif_machdep (ffi_cif *cif)
break;
case FFI_TYPE_STRUCT:
+ if (cif->rtype->elements[0]->type == FFI_TYPE_STRUCT &&
+ cif->rtype->elements[1])
+ {
+ cif->flags = 0;
+ break;
+ }
+
switch (cif->rtype->size)
{
case 1:
+#ifdef __MINT__
+ cif->flags = CIF_FLAGS_STRUCT2;
+#else
cif->flags = CIF_FLAGS_STRUCT1;
+#endif
break;
case 2:
cif->flags = CIF_FLAGS_STRUCT2;
break;
+#ifdef __MINT__
+ case 3:
+#endif
case 4:
cif->flags = CIF_FLAGS_INT;
break;
+#ifdef __MINT__
+ case 7:
+#endif
case 8:
cif->flags = CIF_FLAGS_DINT;
break;
@@ -150,7 +183,11 @@ ffi_prep_cif_machdep (ffi_cif *cif)
#if (FFI_TYPE_LONGDOUBLE != FFI_TYPE_DOUBLE)
case FFI_TYPE_LONGDOUBLE:
+#ifdef __MINT__
+ cif->flags = 0;
+#else
cif->flags = CIF_FLAGS_LDOUBLE;
+#endif
break;
#endif
@@ -218,6 +255,26 @@ ffi_prep_incoming_args_SYSV (char *stack
size_t z;
z = (*p_arg)->size;
+#ifdef __MINT__
+ if (cif->flags &&
+ cif->rtype->type == FFI_TYPE_STRUCT &&
+ (z == 1 || z == 2))
+ {
+ *p_argv = (void *) (argp + 2);
+
+ z = 4;
+ }
+ else
+ if (cif->flags &&
+ cif->rtype->type == FFI_TYPE_STRUCT &&
+ (z == 3 || z == 4))
+ {
+ *p_argv = (void *) (argp);
+
+ z = 4;
+ }
+ else
+#endif
if (z <= 4)
{
*p_argv = (void *) (argp + 4 - z);
@@ -267,14 +324,21 @@ ffi_prep_closure_loc (ffi_closure* closu
*(unsigned short *)closure->tramp = 0x207c;
*(void **)(closure->tramp + 2) = codeloc;
*(unsigned short *)(closure->tramp + 6) = 0x4ef9;
- if (cif->rtype->type == FFI_TYPE_STRUCT
- && !cif->flags)
+
+ if (
+#ifdef __MINT__
+ (cif->rtype->type == FFI_TYPE_LONGDOUBLE) ||
+#endif
+ (((cif->rtype->type == FFI_TYPE_STRUCT)
+ && !cif->flags)))
*(void **)(closure->tramp + 8) = ffi_closure_struct_SYSV;
else
*(void **)(closure->tramp + 8) = ffi_closure_SYSV;
#ifdef __rtems__
rtems_cache_flush_multiple_data_lines( codeloc, FFI_TRAMPOLINE_SIZE );
+#elif defined(__MINT__)
+ Ssystem(S_FLUSHCACHE, codeloc, FFI_TRAMPOLINE_SIZE);
#else
syscall(SYS_cacheflush, codeloc, FLUSH_SCOPE_LINE,
FLUSH_CACHE_BOTH, FFI_TRAMPOLINE_SIZE);
@@ -286,4 +350,3 @@ ffi_prep_closure_loc (ffi_closure* closu
return FFI_OK;
}
-
Index: libffi/src/m68k/sysv.S
===================================================================
--- libffi.orig/src/m68k/sysv.S
+++ libffi/src/m68k/sysv.S
@@ -1,6 +1,7 @@
/* -----------------------------------------------------------------------
- sysv.S - Copyright (c) 1998, 2012 Andreas Schwab
+ sysv.S - Copyright (c) 2012 Alan Hourihane
+ Copyright (c) 1998, 2012 Andreas Schwab
Copyright (c) 2008 Red Hat, Inc.
m68k Foreign Function Interface
@@ -42,13 +43,19 @@
#define CFI_ENDPROC()
#endif
+#ifdef __MINT__
+#define CALLFUNC(funcname) _ ## funcname
+#else
+#define CALLFUNC(funcname) funcname
+#endif
+
.text
- .globl ffi_call_SYSV
- .type ffi_call_SYSV,@function
+ .globl CALLFUNC(ffi_call_SYSV)
+ .type CALLFUNC(ffi_call_SYSV),@function
.align 4
-ffi_call_SYSV:
+CALLFUNC(ffi_call_SYSV):
CFI_STARTPROC()
link %fp,#0
CFI_OFFSET(14,-8)
@@ -63,14 +70,18 @@ ffi_call_SYSV:
move.l 8(%fp),-(%sp)
pea 4(%sp)
#if !defined __PIC__
- jsr ffi_prep_args
+ jsr CALLFUNC(ffi_prep_args)
#else
- bsr.l ffi_prep_args@PLTPC
+ bsr.l CALLFUNC(ffi_prep_args@PLTPC)
#endif
addq.l #8,%sp
| Pass pointer to struct value, if any
+#ifdef __MINT__
+ move.l %d0,%a1
+#else
move.l %a0,%a1
+#endif
| Call the function
move.l 24(%fp),%a0
@@ -142,7 +153,11 @@ retlongdouble:
retpointer:
btst #5,%d2
jbeq retstruct1
+#ifdef __MINT__
+ move.l %d0,(%a1)
+#else
move.l %a0,(%a1)
+#endif
jbra epilogue
retstruct1:
@@ -162,13 +177,13 @@ epilogue:
unlk %fp
rts
CFI_ENDPROC()
- .size ffi_call_SYSV,.-ffi_call_SYSV
+ .size CALLFUNC(ffi_call_SYSV),.-CALLFUNC(ffi_call_SYSV)
- .globl ffi_closure_SYSV
- .type ffi_closure_SYSV, @function
+ .globl CALLFUNC(ffi_closure_SYSV)
+ .type CALLFUNC(ffi_closure_SYSV), @function
.align 4
-ffi_closure_SYSV:
+CALLFUNC(ffi_closure_SYSV):
CFI_STARTPROC()
link %fp,#-12
CFI_OFFSET(14,-8)
@@ -178,9 +193,9 @@ ffi_closure_SYSV:
pea -12(%fp)
move.l %a0,-(%sp)
#if !defined __PIC__
- jsr ffi_closure_SYSV_inner
+ jsr CALLFUNC(ffi_closure_SYSV_inner)
#else
- bsr.l ffi_closure_SYSV_inner@PLTPC
+ bsr.l CALLFUNC(ffi_closure_SYSV_inner@PLTPC)
#endif
lsr.l #1,%d0
@@ -240,13 +255,13 @@ ffi_closure_SYSV:
jra .Lcls_epilogue
CFI_ENDPROC()
- .size ffi_closure_SYSV,.-ffi_closure_SYSV
+ .size CALLFUNC(ffi_closure_SYSV),.-CALLFUNC(ffi_closure_SYSV)
- .globl ffi_closure_struct_SYSV
- .type ffi_closure_struct_SYSV, @function
+ .globl CALLFUNC(ffi_closure_struct_SYSV)
+ .type CALLFUNC(ffi_closure_struct_SYSV), @function
.align 4
-ffi_closure_struct_SYSV:
+CALLFUNC(ffi_closure_struct_SYSV):
CFI_STARTPROC()
link %fp,#0
CFI_OFFSET(14,-8)
@@ -256,14 +271,14 @@ ffi_closure_struct_SYSV:
move.l %a1,-(%sp)
move.l %a0,-(%sp)
#if !defined __PIC__
- jsr ffi_closure_SYSV_inner
+ jsr CALLFUNC(ffi_closure_SYSV_inner)
#else
- bsr.l ffi_closure_SYSV_inner@PLTPC
+ bsr.l CALLFUNC(ffi_closure_SYSV_inner@PLTPC)
#endif
unlk %fp
rts
CFI_ENDPROC()
- .size ffi_closure_struct_SYSV,.-ffi_closure_struct_SYSV
+ .size CALLFUNC(ffi_closure_struct_SYSV),.-CALLFUNC(ffi_closure_struct_SYSV)
#if defined __ELF__ && defined __linux__
.section .note.GNU-stack,"",@progbits
Index: libffi/README
===================================================================
--- libffi.orig/README
+++ libffi/README
@@ -58,6 +58,7 @@ tested:
| AVR32 | Linux |
| HPPA | HPUX |
| IA-64 | Linux |
+| M68K | FreeMiNT |
| M68K | RTEMS |
| MIPS | IRIX |
| MIPS | Linux |
@@ -150,6 +151,7 @@ See the ChangeLog files for details.
Lots of build fixes.
Add Amiga newer MacOS support.
Add Linux/x32 support.
+ Add m68k FreeMiNT support.
Add thiscall and fastcall support on Windows.
Fix Octeon and MC68881 support.
Fix code pessimizations.
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