* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
+ * version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
#ifndef SPARC_TARGET_CPU_H
#define SPARC_TARGET_CPU_H
+#if defined(TARGET_SPARC64) && !defined(TARGET_ABI32)
+# define TARGET_STACK_BIAS 2047
+#else
+# define TARGET_STACK_BIAS 0
+#endif
+
static inline void cpu_clone_regs_child(CPUSPARCState *env, target_ulong newsp,
unsigned flags)
{
#endif
/* ??? The kernel appears to copy one stack frame to the new stack. */
/* ??? The kernel force aligns the new stack. */
+ /* Userspace provides a biased stack pointer value. */
env->regwptr[WREG_SP] = newsp;
}
static inline abi_ulong get_sp_from_cpustate(CPUSPARCState *state)
{
- return state->regwptr[WREG_SP];
+ return state->regwptr[WREG_SP] + TARGET_STACK_BIAS;
}
#endif