--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dyncall/dyncall_callvm_arm32_thumb.c	Thu Mar 19 22:24:28 2015 +0100
@@ -0,0 +1,272 @@
+/*
+
+ Package: dyncall
+ Library: dyncall
+ File: dyncall/dyncall_callvm_arm32_thumb.c
+ Description: ARM 32-bit "thumb" ABI callvm implementation
+ 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 32bit ARM32 family of processors
+
+  SUPPORTED CALLING CONVENTIONS
+  armthumbcall
+
+  REVISION
+  2007/12/11 initial
+
+*/
+
+
+#include "dyncall_callvm_arm32_thumb.h"
+#include "dyncall_alloc.h"
+
+static void dc_callvm_mode_arm32_thumb(DCCallVM* in_self,DCint mode);
+
+static DCCallVM* dc_callvm_new_arm32_thumb(DCCallVM_vt* vt, DCsize size)
+{
+  /* Store at least 16 bytes (4 words) for internal spill area. Assembly code depends on it. */
+  DCCallVM_arm32_thumb* self = (DCCallVM_arm32_thumb*)dcAllocMem(sizeof(DCCallVM_arm32_thumb)+size+16);
+  dc_callvm_base_init(&self->mInterface, vt);
+  dcVecInit(&self->mVecHead, size);
+  return (DCCallVM*)self;
+}
+
+
+static void dc_callvm_free_arm32_thumb(DCCallVM* in_self)
+{
+  dcFreeMem(in_self);
+}
+
+
+static void dc_callvm_reset_arm32_thumb(DCCallVM* in_self)
+{
+  DCCallVM_arm32_thumb* self = (DCCallVM_arm32_thumb*)in_self;
+  dcVecReset(&self->mVecHead);
+}
+
+
+static void dc_callvm_argInt_arm32_thumb(DCCallVM* in_self, DCint x)
+{
+  DCCallVM_arm32_thumb* self = (DCCallVM_arm32_thumb*)in_self;
+  dcVecAppend(&self->mVecHead, &x, sizeof(DCint));
+}
+
+
+static void dc_callvm_argBool_arm32_thumb(DCCallVM* in_self, DCbool x)
+{
+  dc_callvm_argInt_arm32_thumb(in_self, (DCint)x);
+}
+
+
+static void dc_callvm_argChar_arm32_thumb(DCCallVM* in_self, DCchar x)
+{
+  dc_callvm_argInt_arm32_thumb(in_self, x);
+}
+
+
+static void dc_callvm_argShort_arm32_thumb(DCCallVM* in_self, DCshort x)
+{
+  dc_callvm_argInt_arm32_thumb(in_self, x);
+}
+
+
+static void dc_callvm_argLong_arm32_thumb(DCCallVM* in_self, DClong x)
+{
+  dc_callvm_argInt_arm32_thumb(in_self, x);
+}
+
+
+static void dc_callvm_argLongLong_arm32_thumb(DCCallVM* in_self, DClonglong x)
+{
+  DCCallVM_arm32_thumb* self = (DCCallVM_arm32_thumb*)in_self;
+  dcVecAppend(&self->mVecHead, &x, sizeof(DClonglong));
+}
+
+
+static void dc_callvm_argLongLong_arm32_thumb_eabi(DCCallVM* in_self, DClonglong x)
+{
+  DCCallVM_arm32_thumb* self = (DCCallVM_arm32_thumb*)in_self;
+
+  /* 64 bit values need to be aligned on 8 byte boundaries */
+  dcVecSkip(&self->mVecHead, dcVecSize(&self->mVecHead) & 4);
+  dcVecAppend(&self->mVecHead, &x, sizeof(DClonglong));
+}
+
+
+static void dc_callvm_argFloat_arm32_thumb(DCCallVM* in_self, DCfloat x)
+{
+  DCCallVM_arm32_thumb* self = (DCCallVM_arm32_thumb*)in_self;
+  dcVecAppend(&self->mVecHead, &x, sizeof(DCfloat));
+}
+
+
+static void dc_callvm_argDouble_arm32_thumb(DCCallVM* in_self, DCdouble x)
+{
+  DCCallVM_arm32_thumb* self = (DCCallVM_arm32_thumb*)in_self;
+  dcVecAppend(&self->mVecHead, &x, sizeof(DCdouble));
+}
+
+
+static void dc_callvm_argDouble_arm32_thumb_eabi(DCCallVM* in_self, DCdouble x)
+{
+  DCCallVM_arm32_thumb* self = (DCCallVM_arm32_thumb*)in_self;
+
+  /* 64 bit values need to be aligned on 8 byte boundaries */
+  dcVecSkip(&self->mVecHead, dcVecSize(&self->mVecHead) & 4);
+  dcVecAppend(&self->mVecHead, &x, sizeof(DCdouble));
+}
+
+
+static void dc_callvm_argPointer_arm32_thumb(DCCallVM* in_self, DCpointer x)
+{
+  DCCallVM_arm32_thumb* self = (DCCallVM_arm32_thumb*)in_self;
+  dcVecAppend(&self->mVecHead, &x, sizeof(DCpointer));
+}
+
+typedef void       (*call_void)  (DCpointer target, DCpointer data, DCsize size);
+typedef DClong     (*call_word)  (DCpointer target, DCpointer data, DCsize size);
+typedef DClonglong (*call_dword) (DCpointer target, DCpointer data, DCsize size);
+
+
+
+/* Call. */
+void dc_callvm_call_arm32_thumb(DCCallVM* in_self, DCpointer target)
+{
+  DCCallVM_arm32_thumb* self = (DCCallVM_arm32_thumb*)in_self;
+  dcCall_arm32_thumb(target, dcVecData(&self->mVecHead), dcVecSize(&self->mVecHead));
+}
+
+
+#if 0
+DClong dc_callvm_call_arm32_thumb_word(DCCallVM* in_self, DCpointer target)
+{
+  DCCallVM_arm32_thumb* self = (DCCallVM_arm32_thumb*)in_self;
+  // return dcCall_arm32_thumb_word(target, dcVecData(&self->mVecHead), dcVecSize(&self->mVecHead));
+  return ( (call_word) dcCall_arm32_thumb) (target, dcVecData(&self->mVecHead), dcVecSize(&self->mVecHead));
+}
+
+
+DClonglong dc_callvm_call_arm32_thumb_dword(DCCallVM* in_self, DCpointer target)
+{
+  DCCallVM_arm32_thumb* self = (DCCallVM_arm32_thumb*)in_self;
+  // return dcCall_arm32_thumb_dword(target, dcVecData(&self->mVecHead), dcVecSize(&self->mVecHead));
+  return ( (call_dword) dcCall_arm32_thumb ) (target, dcVecData(&self->mVecHead), dcVecSize(&self->mVecHead));
+}
+#endif
+
+
+DCCallVM_vt gVT_arm32_thumb =
+{
+  &dc_callvm_free_arm32_thumb
+, &dc_callvm_reset_arm32_thumb
+, &dc_callvm_mode_arm32_thumb
+, &dc_callvm_argBool_arm32_thumb
+, &dc_callvm_argChar_arm32_thumb
+, &dc_callvm_argShort_arm32_thumb 
+, &dc_callvm_argInt_arm32_thumb
+, &dc_callvm_argLong_arm32_thumb
+, &dc_callvm_argLongLong_arm32_thumb
+, &dc_callvm_argFloat_arm32_thumb
+, &dc_callvm_argDouble_arm32_thumb
+, &dc_callvm_argPointer_arm32_thumb
+, NULL /* argStruct */
+, (DCvoidvmfunc*)       &dc_callvm_call_arm32_thumb
+, (DCboolvmfunc*)       &dc_callvm_call_arm32_thumb
+, (DCcharvmfunc*)       &dc_callvm_call_arm32_thumb
+, (DCshortvmfunc*)      &dc_callvm_call_arm32_thumb
+, (DCintvmfunc*)        &dc_callvm_call_arm32_thumb
+, (DClongvmfunc*)       &dc_callvm_call_arm32_thumb
+, (DClonglongvmfunc*)   &dc_callvm_call_arm32_thumb
+, (DCfloatvmfunc*)      &dc_callvm_call_arm32_thumb
+, (DCdoublevmfunc*)     &dc_callvm_call_arm32_thumb
+, (DCpointervmfunc*)    &dc_callvm_call_arm32_thumb
+, NULL /* callStruct */
+};
+
+
+DCCallVM_vt gVT_arm32_thumb_eabi =
+{
+  &dc_callvm_free_arm32_thumb
+, &dc_callvm_reset_arm32_thumb
+, &dc_callvm_mode_arm32_thumb
+, &dc_callvm_argBool_arm32_thumb
+, &dc_callvm_argChar_arm32_thumb
+, &dc_callvm_argShort_arm32_thumb 
+, &dc_callvm_argInt_arm32_thumb
+, &dc_callvm_argLong_arm32_thumb
+, &dc_callvm_argLongLong_arm32_thumb_eabi
+, &dc_callvm_argFloat_arm32_thumb
+, &dc_callvm_argDouble_arm32_thumb_eabi
+, &dc_callvm_argPointer_arm32_thumb
+, NULL /* argStruct */
+, (DCvoidvmfunc*)       &dc_callvm_call_arm32_thumb
+, (DCboolvmfunc*)       &dc_callvm_call_arm32_thumb
+, (DCcharvmfunc*)       &dc_callvm_call_arm32_thumb
+, (DCshortvmfunc*)      &dc_callvm_call_arm32_thumb
+, (DCintvmfunc*)        &dc_callvm_call_arm32_thumb
+, (DClongvmfunc*)       &dc_callvm_call_arm32_thumb
+, (DClonglongvmfunc*)   &dc_callvm_call_arm32_thumb
+, (DCfloatvmfunc*)      &dc_callvm_call_arm32_thumb
+, (DCdoublevmfunc*)     &dc_callvm_call_arm32_thumb
+, (DCpointervmfunc*)    &dc_callvm_call_arm32_thumb
+, NULL /* callStruct */
+};
+
+
+DCCallVM* dcNewCallVM_arm32_thumb(DCsize size) 
+{
+/* Check OS if we need EABI as default. */
+#if defined(DC__ABI_ARM_EABI)
+  return dc_callvm_new_arm32_thumb(&gVT_arm32_thumb_eabi, size);
+#else
+  return dc_callvm_new_arm32_thumb(&gVT_arm32_thumb, size);
+#endif
+}
+
+
+DCCallVM* dcNewCallVM(DCsize size)
+{
+  return dcNewCallVM_arm32_thumb(size);
+}
+
+
+static void dc_callvm_mode_arm32_thumb(DCCallVM* in_self,DCint mode)
+{
+  DCCallVM_arm32_thumb* self = (DCCallVM_arm32_thumb*) in_self;
+  DCCallVM_vt*  vt;
+  switch(mode) {
+/* Check OS if we need EABI as default. */
+    case DC_CALL_C_ELLIPSIS:
+#if defined(DC__ABI_ARM_EABI)
+    case DC_CALL_C_DEFAULT:          vt = &gVT_arm32_thumb_eabi; break;
+#else
+    case DC_CALL_C_DEFAULT:          vt = &gVT_arm32_thumb;      break;
+#endif
+    case DC_CALL_C_ARM_THUMB:        vt = &gVT_arm32_thumb;      break;
+    case DC_CALL_C_ARM_THUMB_EABI:   vt = &gVT_arm32_thumb_eabi; break;
+    default: self->mInterface.mError = DC_ERROR_UNSUPPORTED_MODE; return;
+  }
+  self->mInterface.mVTpointer = vt;
+}
+