#include "vm/jit/powerpc64/md.h"
#include "vm/jit/powerpc64/linux/md-abi.h"
-#include "threads/thread.h"
+#include "threads/thread.hpp"
#include "vm/builtin.h"
-#include "vm/exceptions.h"
#include "vm/signallocal.h"
+#include "vm/os.hpp"
#include "vm/jit/asmpart.h"
+#include "vm/jit/executionstate.h"
#if defined(ENABLE_PROFILING)
# include "vm/jit/optimizing/profile.h"
#endif
-#include "vm/jit/stacktrace.h"
#include "vm/jit/trap.h"
#endif
-/* md_critical_section_restart *************************************************
+/* md_executionstate_read ******************************************************
- Search the critical sections tree for a matching section and set
- the PC to the restart point, if necessary.
+ Read the given context into an executionstate.
*******************************************************************************/
-#if defined(ENABLE_THREADS)
-void md_critical_section_restart(ucontext_t *_uc)
+void md_executionstate_read(executionstate_t *es, void *context)
{
- mcontext_t *_mc;
- u1 *pc;
- u1 *npc;
+#if 0
+ ucontext_t *_uc;
+ mcontext_t *_mc;
+ unsigned long *_gregs;
+ s4 i;
- _mc = &(_uc->uc_mcontext);
+ _uc = (ucontext_t *) context;
- pc = (u1 *) _mc->gp_regs[PT_NIP];
+ _mc = _uc->uc_mcontext.uc_regs;
+ _gregs = _mc->gregs;
+
+ /* read special registers */
+ es->pc = (u1 *) _gregs[PT_NIP];
+ es->sp = (u1 *) _gregs[REG_SP];
+ es->pv = (u1 *) _gregs[REG_PV];
+ es->ra = (u1 *) _gregs[PT_LNK];
- npc = critical_find_restart_point(pc);
+ /* read integer registers */
+ for (i = 0; i < INT_REG_CNT; i++)
+ es->intregs[i] = _gregs[i];
+
+ /* read float registers */
+ /* Do not use the assignment operator '=', as the type of
+ * the _mc->fpregs[i] can cause invalid conversions. */
+
+ assert(sizeof(_mc->fpregs.fpregs) == sizeof(es->fltregs));
+ os_memcpy(&es->fltregs, &_mc->fpregs.fpregs, sizeof(_mc->fpregs.fpregs));
+#endif
- if (npc != NULL)
- _mc->gp_regs[PT_NIP] = (ptrint) npc;
+ vm_abort("md_executionstate_read: IMPLEMENT ME!");
}
+
+
+/* md_executionstate_write *****************************************************
+
+ Write the given executionstate back to the context.
+
+*******************************************************************************/
+
+void md_executionstate_write(executionstate_t *es, void *context)
+{
+#if 0
+ ucontext_t *_uc;
+ mcontext_t *_mc;
+ unsigned long *_gregs;
+ s4 i;
+
+ _uc = (ucontext_t *) context;
+
+ _mc = _uc->uc_mcontext.uc_regs;
+ _gregs = _mc->gregs;
+
+ /* write integer registers */
+ for (i = 0; i < INT_REG_CNT; i++)
+ _gregs[i] = es->intregs[i];
+
+ /* write float registers */
+ /* Do not use the assignment operator '=', as the type of
+ * the _mc->fpregs[i] can cause invalid conversions. */
+
+ assert(sizeof(_mc->fpregs.fpregs) == sizeof(es->fltregs));
+ os_memcpy(&_mc->fpregs.fpregs, &es->fltregs, sizeof(_mc->fpregs.fpregs));
+
+ /* write special registers */
+ _gregs[PT_NIP] = (ptrint) es->pc;
+ _gregs[REG_SP] = (ptrint) es->sp;
+ _gregs[REG_PV] = (ptrint) es->pv;
+ _gregs[PT_LNK] = (ptrint) es->ra;
#endif
+ vm_abort("md_executionstate_write: IMPLEMENT ME!");
+}
+
/*
* These are local overrides for various environment variables in Emacs.