--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dyncall/dyncall_callvm_ppc32.c	Thu Mar 19 22:24:28 2015 +0100
@@ -0,0 +1,415 @@
+/*
+
+ Package: dyncall
+ Library: dyncall
+ File: dyncall/dyncall_callvm_ppc32.c
+ Description: 
+ License:
+
+   Copyright (c) 2007-2015 Daniel Adler <dadler@uni-goettingen.de>, 
+                           Tassilo Philipp <tphilipp@potion-studios.com>
+
+   Permission to use, copy, modify, and distribute this software for any
+   purpose with or without fee is hereby granted, provided that the above
+   copyright notice and this permission notice appear in all copies.
+
+   THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+   WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+   MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+   ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+   WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+   ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+   OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+
+*/
+
+
+
+/*
+
+  dyncall callvm for ppc32 architectures
+
+  SUPPORTED CALLING CONVENTIONS
+  ppc32/osx 
+  ppc32/linux (sysv abi)
+  ppc32/syscall 
+
+  REVISION
+  2015/01/15 added syscall (tested on Linux)
+  2009/01/09 added System V ABI support
+  2007/12/11 initial support for Darwin ABI
+
+*/
+
+#include "dyncall_callvm_ppc32.h"
+#include "dyncall_call_ppc32.h"
+#include "dyncall_alloc.h"
+#include "dyncall_macros.h"
+#include "dyncall_types.h"
+#include "dyncall_utils.h"
+
+/* Support for Mac OS X (Darwin) and Systen V ABI for Power PC 32-bit */
+
+#if defined(DC__OS_Darwin)
+#define DC__ABI_Darwin
+#elif defined(DC__OS_Linux) || defined(DC__OS_FreeBSD) || defined(DC__OS_OpenBSD) || defined(DC__OS_NetBSD) || defined(DC__OS_DragonFlyBSD) || defined(DC__OS_SunOS)
+#define DC__ABI_SysV
+#else
+#error Unsupported OS for ppc32 architecture.
+#endif
+
+static void dc_callvm_free_ppc32(DCCallVM* in_self)
+{
+  dcFreeMem(in_self);
+}
+
+static void dc_callvm_reset_ppc32(DCCallVM* in_self)
+{
+  DCCallVM_ppc32* self = (DCCallVM_ppc32*)in_self;
+  dcVecReset(&self->mVecHead);
+  self->mIntRegs   = 0;
+  self->mFloatRegs = 0;
+}
+
+/* OS X/Darwin: fillup integer register file AND push on stack (for ellipsis) */
+
+static void dc_callvm_argInt_ppc32_darwin(DCCallVM* in_self, DCint i)
+{
+  DCCallVM_ppc32* self = (DCCallVM_ppc32*)in_self;
+  /* fillup integer register file */
+  if (self->mIntRegs < 8)
+    self->mRegData.mIntData[self->mIntRegs++] = i;
+  /* AND push onto stack */
+  dcVecAppend(&self->mVecHead,&i,sizeof(DCint));
+}
+
+static void dc_callvm_argInt_ppc32_sysv(DCCallVM* in_self, DCint i)
+{
+  DCCallVM_ppc32* self = (DCCallVM_ppc32*)in_self;
+  /* fillup integer register file */
+  if (self->mIntRegs < 8)
+    self->mRegData.mIntData[self->mIntRegs++] = i;
+  /* OR push onto stack */
+  else 
+    dcVecAppend(&self->mVecHead,&i,sizeof(DCint));
+}
+
+/** floating-point **/
+
+/* double*/
+
+static void dc_callvm_argDouble_ppc32_darwin(DCCallVM* in_self, DCdouble d)
+{
+  DCCallVM_ppc32* self = (DCCallVM_ppc32*)in_self;
+  if (self->mFloatRegs < 13) {
+    self->mRegData.mFloatData[self->mFloatRegs++] = d;
+    /* skip two integer register file entries */
+    if (self->mIntRegs < 8) 
+      self->mRegData.mIntData[self->mIntRegs++] = ( (DCint*) &d )[0];
+    if (self->mIntRegs < 8) 
+      self->mRegData.mIntData[self->mIntRegs++] = ( (DCint*) &d )[1];
+  }
+  /* push on stack */
+  dcVecAppend(&self->mVecHead, &d, sizeof(DCdouble));
+}
+
+#if 0
+static void dc_callvm_argDouble_ppc32_sysv(DCCallVM* in_self, DCdouble d)
+{
+  DCCallVM_ppc32* self = (DCCallVM_ppc32*)in_self;
+  if (self->mFloatRegs < 8) {
+    self->mRegData.mFloatData[self->mFloatRegs++] = d;
+    /* skip two integer register file entries */
+    if (self->mIntRegs < 8) 
+      self->mRegData.mIntData[self->mIntRegs++] = ( (DCint*) &d )[0];
+    if (self->mIntRegs < 8) 
+      self->mRegData.mIntData[self->mIntRegs++] = ( (DCint*) &d )[1];
+  }
+  /* push on stack */
+  dcVecAppend(&self->mVecHead, &d, sizeof(DCdouble));
+}
+#endif
+static void dc_callvm_argDouble_ppc32_sysv(DCCallVM* in_self, DCdouble d)
+{
+  DCCallVM_ppc32* self = (DCCallVM_ppc32*)in_self;
+  if (self->mFloatRegs < 8) 
+    self->mRegData.mFloatData[self->mFloatRegs++] = d;
+  else /* OR push data on stack */
+  {
+    /* align stack to 8 byte boundary */
+  dcVecResize(&self->mVecHead , ( dcVecSize(&self->mVecHead) + 7UL ) & -8UL ); 
+    /* AND push data */
+    dcVecAppend(&self->mVecHead,(DCpointer) &d,sizeof(DCdouble));
+  }
+}
+
+/* Floating-point */
+  
+  
+/* darwin:
+ * - skip one integer register file entry (write in - for ellipsis calls) 
+ * sysv:
+ * - 
+ */
+
+static void dc_callvm_argFloat_ppc32_darwin(DCCallVM* in_self, DCfloat f)
+{
+  DCCallVM_ppc32* self = (DCCallVM_ppc32*)in_self;
+  if (self->mFloatRegs < 13) {
+    self->mRegData.mFloatData[self->mFloatRegs++] = (DCdouble) (f);
+  }
+  
+  /* AND skip one integer register file entry (write in - for ellipsis calls) */
+  
+  if (self->mIntRegs < 8) 
+    self->mRegData.mIntData[self->mIntRegs++] = *( (DCint*) &f );
+  
+  /* AND push on stack */
+  
+  dcVecAppend(&self->mVecHead, &f, sizeof(DCfloat));
+}
+
+static void dc_callvm_argFloat_ppc32_sysv(DCCallVM* in_self, DCfloat f)
+{
+  DCCallVM_ppc32* self = (DCCallVM_ppc32*)in_self;
+
+  /* Put as float register (casted to double) */
+
+  if (self->mFloatRegs < 8)
+    self->mRegData.mFloatData[self->mFloatRegs++] = (DCdouble) (f);
+  
+  else /* OR put float on stack */
+    dcVecAppend(&self->mVecHead, &f, sizeof(DCfloat));
+}
+
+/* long long integer */
+
+static void dc_callvm_argLongLong_ppc32_darwin(DCCallVM* in_self, DClonglong L)
+{
+  DCint* p = (DCint*) &L;
+  dcArgInt(in_self, p[0]);
+  dcArgInt(in_self, p[1]);
+}
+
+static void dc_callvm_argLongLong_ppc32_sysv(DCCallVM* in_self, DClonglong L)
+{
+  DCint* p = (DCint*) &L;
+  DCCallVM_ppc32* self = (DCCallVM_ppc32*)in_self;
+  /* fillup integer register file */
+  if (self->mIntRegs < 7)
+  {
+    /* next free integer register is even (r0, r2, r3) ? */
+    /* if not, skip one integer */
+    if (self->mIntRegs & 1) self->mIntRegs++;
+
+    self->mRegData.mIntData[self->mIntRegs++] = p[0];
+    self->mRegData.mIntData[self->mIntRegs++] = p[1];
+  }
+  /* OR push onto stack */
+  else  
+  {
+    /* in case, mIntRegs == 7, set it to 8 */
+    self->mIntRegs = 8;
+    /* align stack to 8 byte boundary */
+    dcVecResize(&self->mVecHead , ( dcVecSize(&self->mVecHead) + 7 ) & (-8UL) );
+    /* push data */
+    dcVecAppend(&self->mVecHead,&L,sizeof(DClonglong));
+  }
+}
+
+
+static void dc_callvm_argBool_ppc32(DCCallVM* in_self, DCbool x)
+{
+  /* promote to integer */
+  dcArgInt(in_self, (x == 0) ? DC_FALSE : DC_TRUE );
+}
+
+
+static void dc_callvm_argChar_ppc32(DCCallVM* in_self, DCchar ch)
+{
+  /* promote to integer */
+  dcArgInt(in_self, (DCint) ch );
+}
+
+
+static void dc_callvm_argShort_ppc32(DCCallVM* in_self, DCshort s)
+{
+  /* promote to integer */
+  dcArgInt(in_self, (DCint) s );
+}
+
+
+static void dc_callvm_argLong_ppc32(DCCallVM* in_self, DClong l)
+{
+  /* promote to integer */
+  dcArgInt(in_self, (DCint) l );
+}
+
+static void dc_callvm_argPointer_ppc32(DCCallVM* in_self, DCpointer p)
+{
+  /* promote to integer */
+  dcArgInt(in_self, *(DCint*) &p );
+}
+
+
+void dc_callvm_call_ppc32_darwin(DCCallVM* in_self, DCpointer target)
+{
+  DCCallVM_ppc32* self = (DCCallVM_ppc32*)in_self;
+  dcCall_ppc32_darwin( 
+    target, 
+    &self->mRegData, 
+    DC_MAX(dcVecSize(&self->mVecHead), 8*4),
+    dcVecData(&self->mVecHead)
+  );
+}
+
+void dc_callvm_call_ppc32_sysv(DCCallVM* in_self, DCpointer target)
+{
+  DCCallVM_ppc32* self = (DCCallVM_ppc32*) in_self;
+  dcCall_ppc32_sysv( target, &self->mRegData, dcVecSize(&self->mVecHead) , dcVecData(&self->mVecHead));
+}
+
+void dc_callvm_call_ppc32_syscall(DCCallVM* in_self, DCpointer target)
+{
+  DCCallVM_ppc32* self = (DCCallVM_ppc32*) in_self;
+  dcCall_ppc32_syscall( target, &self->mRegData, dcVecSize(&self->mVecHead) , dcVecData(&self->mVecHead));
+}
+
+void dc_callvm_mode_ppc32(DCCallVM* in_self, DCint mode);
+
+DCCallVM_vt gVT_ppc32_darwin =
+{
+  &dc_callvm_free_ppc32
+, &dc_callvm_reset_ppc32
+, &dc_callvm_mode_ppc32
+, &dc_callvm_argBool_ppc32
+, &dc_callvm_argChar_ppc32
+, &dc_callvm_argShort_ppc32 
+, &dc_callvm_argInt_ppc32_darwin
+, &dc_callvm_argLong_ppc32
+, &dc_callvm_argLongLong_ppc32_darwin
+, &dc_callvm_argFloat_ppc32_darwin
+, &dc_callvm_argDouble_ppc32_darwin
+, &dc_callvm_argPointer_ppc32
+, NULL /* argStruct */
+, (DCvoidvmfunc*)       &dc_callvm_call_ppc32_darwin
+, (DCboolvmfunc*)       &dc_callvm_call_ppc32_darwin
+, (DCcharvmfunc*)       &dc_callvm_call_ppc32_darwin
+, (DCshortvmfunc*)      &dc_callvm_call_ppc32_darwin
+, (DCintvmfunc*)        &dc_callvm_call_ppc32_darwin
+, (DClongvmfunc*)       &dc_callvm_call_ppc32_darwin
+, (DClonglongvmfunc*)   &dc_callvm_call_ppc32_darwin
+, (DCfloatvmfunc*)      &dc_callvm_call_ppc32_darwin
+, (DCdoublevmfunc*)     &dc_callvm_call_ppc32_darwin
+, (DCpointervmfunc*)    &dc_callvm_call_ppc32_darwin
+, NULL /* callStruct */
+};
+
+DCCallVM_vt gVT_ppc32_sysv =
+{
+  &dc_callvm_free_ppc32
+, &dc_callvm_reset_ppc32
+, &dc_callvm_mode_ppc32
+, &dc_callvm_argBool_ppc32
+, &dc_callvm_argChar_ppc32
+, &dc_callvm_argShort_ppc32 
+, &dc_callvm_argInt_ppc32_sysv
+, &dc_callvm_argLong_ppc32
+, &dc_callvm_argLongLong_ppc32_sysv
+, &dc_callvm_argFloat_ppc32_sysv
+, &dc_callvm_argDouble_ppc32_sysv
+, &dc_callvm_argPointer_ppc32
+, NULL /* argStruct */
+, (DCvoidvmfunc*)       &dc_callvm_call_ppc32_sysv
+, (DCboolvmfunc*)       &dc_callvm_call_ppc32_sysv
+, (DCcharvmfunc*)       &dc_callvm_call_ppc32_sysv
+, (DCshortvmfunc*)      &dc_callvm_call_ppc32_sysv
+, (DCintvmfunc*)        &dc_callvm_call_ppc32_sysv
+, (DClongvmfunc*)       &dc_callvm_call_ppc32_sysv
+, (DClonglongvmfunc*)   &dc_callvm_call_ppc32_sysv
+, (DCfloatvmfunc*)      &dc_callvm_call_ppc32_sysv
+, (DCdoublevmfunc*)     &dc_callvm_call_ppc32_sysv
+, (DCpointervmfunc*)    &dc_callvm_call_ppc32_sysv
+, NULL /* callStruct */
+};
+
+DCCallVM_vt gVT_ppc32_syscall =
+{
+  &dc_callvm_free_ppc32
+, &dc_callvm_reset_ppc32
+, &dc_callvm_mode_ppc32
+, &dc_callvm_argBool_ppc32
+, &dc_callvm_argChar_ppc32
+, &dc_callvm_argShort_ppc32 
+, &dc_callvm_argInt_ppc32_sysv
+, &dc_callvm_argLong_ppc32
+, &dc_callvm_argLongLong_ppc32_sysv
+, &dc_callvm_argFloat_ppc32_sysv
+, &dc_callvm_argDouble_ppc32_sysv
+, &dc_callvm_argPointer_ppc32
+, NULL /* argStruct */
+, (DCvoidvmfunc*)       &dc_callvm_call_ppc32_syscall
+, (DCboolvmfunc*)       &dc_callvm_call_ppc32_syscall
+, (DCcharvmfunc*)       &dc_callvm_call_ppc32_syscall
+, (DCshortvmfunc*)      &dc_callvm_call_ppc32_syscall
+, (DCintvmfunc*)        &dc_callvm_call_ppc32_syscall
+, (DClongvmfunc*)       &dc_callvm_call_ppc32_syscall
+, (DClonglongvmfunc*)   &dc_callvm_call_ppc32_syscall
+, (DCfloatvmfunc*)      &dc_callvm_call_ppc32_syscall
+, (DCdoublevmfunc*)     &dc_callvm_call_ppc32_syscall
+, (DCpointervmfunc*)    &dc_callvm_call_ppc32_syscall
+, NULL /* callStruct */
+};
+
+
+void dc_callvm_mode_ppc32(DCCallVM* in_self, DCint mode)
+{
+  DCCallVM_ppc32* self = (DCCallVM_ppc32*) in_self;
+  DCCallVM_vt* vt;
+  switch(mode) {
+
+    case DC_CALL_C_PPC32_OSX:  
+
+#if defined(DC__ABI_Darwin)
+    case DC_CALL_C_DEFAULT:
+    case DC_CALL_C_ELLIPSIS:
+    case DC_CALL_C_ELLIPSIS_VARARGS:
+#endif
+
+      vt = &gVT_ppc32_darwin; 
+      break;
+
+    case DC_CALL_C_PPC32_SYSV: 
+
+#if defined(DC__ABI_SysV)
+    case DC_CALL_C_DEFAULT:
+    case DC_CALL_C_ELLIPSIS:
+    case DC_CALL_C_ELLIPSIS_VARARGS:
+#endif
+
+      vt = &gVT_ppc32_sysv;
+      break;
+
+    case DC_CALL_SYS_DEFAULT:
+    case DC_CALL_SYS_PPC32:
+      vt = &gVT_ppc32_syscall;
+      break;
+
+    default: 
+      self->mInterface.mError = DC_ERROR_UNSUPPORTED_MODE; 
+      return;
+  }
+  
+  dc_callvm_base_init(&self->mInterface, vt);
+}
+
+DCCallVM* dcNewCallVM(DCsize size)
+{
+  DCCallVM_ppc32* self = (DCCallVM_ppc32*)dcAllocMem(sizeof(DCCallVM_ppc32)+size);
+  dcVecInit(&self->mVecHead, size);
+  self->mIntRegs              = 0;
+  self->mFloatRegs            = 0;
+  dc_callvm_mode_ppc32( (DCCallVM*) self, DC_CALL_C_DEFAULT );
+  return (DCCallVM*)self;
+}
+