#define MONO_MAX_IREGS 32
#define MONO_MAX_FREGS 32
+#define MONO_SAVED_GREGS 19
+#define MONO_SAVED_FREGS 18
+
#define MONO_ARCH_FRAME_ALIGNMENT 4
/* fixme: align to 16byte instead of 32byte (we align to 32byte to get
MonoMethod *method;
gulong ebp;
gulong eip;
- gulong iregs [19]; /* 13..31 */
- gdouble fregs [20]; /* 14..31 */
+ gulong iregs [MONO_SAVED_GREGS]; /* 13..31 */
+ gdouble fregs [MONO_SAVED_FREGS]; /* 14..31 */
};
/* we define our own structure and we'll copy the data
typedef struct {
gulong sc_ir; // pc
gulong sc_sp; // r1
- gulong regs [19];
- double fregs [20];
+ gulong regs [MONO_SAVED_GREGS];
+ double fregs [MONO_SAVED_FREGS];
} MonoContext;
typedef struct MonoCompileArch {
#endif
#define MONO_ARCH_USE_SIGACTION 1
+#define MONO_ARCH_NEED_DIV_CHECK 1
#define PPC_NUM_REG_ARGS (PPC_LAST_ARG_REG-PPC_FIRST_ARG_REG+1)
#define PPC_NUM_REG_FPARGS (PPC_LAST_FPARG_REG-PPC_FIRST_FPARG_REG+1)
+/* we have the stack pointer, not the base pointer in sigcontext */
+#define MONO_CONTEXT_SET_IP(ctx,ip) do { (ctx)->sc_ir = (int)ip; } while (0);
+#define MONO_CONTEXT_SET_BP(ctx,bp) do { (ctx)->sc_sp = (int)bp; } while (0);
+
+#define MONO_CONTEXT_GET_IP(ctx) ((gpointer)((ctx)->sc_ir))
+#define MONO_CONTEXT_GET_BP(ctx) ((gpointer)((ctx)->sc_sp))
+#define MONO_CONTEXT_GET_SP(ctx) ((gpointer)((ctx)->sc_sp))
+
+#ifdef __APPLE__
+
+typedef struct {
+ unsigned long sp;
+ unsigned long unused1;
+ unsigned long lr;
+} MonoPPCStackFrame;
+
+#define MONO_INIT_CONTEXT_FROM_FUNC(ctx,start_func) do { \
+ MonoPPCStackFrame *sframe; \
+ __asm__ volatile("lwz %0,0(r1)" : "=r" (sframe)); \
+ MONO_CONTEXT_SET_BP ((ctx), sframe->sp); \
+ sframe = (MonoPPCStackFrame*)sframe->sp; \
+ MONO_CONTEXT_SET_IP ((ctx), sframe->lr); \
+ } while (0)
+
+#else
+
+typedef struct {
+ unsigned long sp;
+ unsigned long lr;
+} MonoPPCStackFrame;
+
+#define MONO_INIT_CONTEXT_FROM_FUNC(ctx,func) do { \
+ MonoPPCStackFrame *sframe; \
+ __asm__ volatile("lwz %0,0(1)" : "=r" (sframe)); \
+ MONO_CONTEXT_SET_BP ((ctx), sframe->sp); \
+ sframe = (MonoPPCStackFrame*)sframe->sp; \
+ MONO_CONTEXT_SET_IP ((ctx), sframe->lr); \
+ } while (0)
+
+#endif
+
+#define mono_find_jit_info mono_arch_find_jit_info
+#define CUSTOM_STACK_WALK 1
+#define CUSTOM_EXCEPTION_HANDLING 1
+
#endif /* __MONO_MINI_PPC_H__ */