1 #ifndef __MONO_MINI_IA64_H__
2 #define __MONO_MINI_IA64_H__
9 #include <mono/arch/ia64/ia64-codegen.h>
11 /* FIXME: regset -> 128 bits ! */
13 #define MONO_MAX_IREGS 128
14 #define MONO_MAX_FREGS 128
16 /* Parameters used by the register allocator */
18 #define MONO_ARCH_HAS_XP_LOCAL_REGALLOC
20 /* r8..r11, r14..r29 */
21 #define MONO_ARCH_CALLEE_REGS (0x700UL | 0x3fffc000UL)
23 /* f6..f15, f33..f127 */
24 /* FIXME: Use the upper 64 bits as well */
25 #define MONO_ARCH_CALLEE_FREGS (0xfffffffe00000000UL | (0x3ffUL << 6))
27 #define MONO_ARCH_CALLEE_SAVED_REGS ~(MONO_ARCH_CALLEE_REGS)
29 #define MONO_ARCH_CALLEE_SAVED_FREGS 0
31 #define MONO_ARCH_USE_FPSTACK FALSE
32 #define MONO_ARCH_FPSTACK_SIZE 0
34 #define MONO_ARCH_INST_FIXED_REG(desc) ((desc == 'r') ? IA64_R8 : ((desc == 'g') ? 8 : -1))
35 #define MONO_ARCH_INST_IS_FLOAT(desc) ((desc == 'f') || (desc == 'g'))
36 #define MONO_ARCH_INST_SREG2_MASK(ins) (0)
37 #define MONO_ARCH_INST_IS_REGPAIR(desc) FALSE
38 #define MONO_ARCH_INST_REGPAIR_REG2(desc,hreg1) (-1)
40 #define MONO_ARCH_FRAME_ALIGNMENT 16
42 #define MONO_ARCH_CODE_ALIGNMENT 16
44 #define MONO_ARCH_RETREG1 IA64_R8
45 #define MONO_ARCH_FRETREG1 8
48 gpointer previous_lmf;
56 typedef struct MonoContext {
60 typedef struct MonoCompileArch {
61 gint32 stack_alloc_size;
63 gint32 localloc_offset;
68 gint32 reg_saved_ar_pfs;
71 guint32 prolog_end_offset, epilog_begin_offset, epilog_end_offset;
72 unw_dyn_region_info_t *r_pro;
75 static inline unw_word_t
76 mono_ia64_context_get_ip (MonoContext *ctx)
81 err = unw_get_reg (&ctx->cursor, UNW_IA64_IP, &ip);
84 /* Subtrack 1 so ip points into the actual instruction */
88 static inline unw_word_t
89 mono_ia64_context_get_sp (MonoContext *ctx)
94 err = unw_get_reg (&ctx->cursor, UNW_IA64_SP, &sp);
100 static inline unw_word_t
101 mono_ia64_context_get_fp (MonoContext *ctx)
103 unw_cursor_t new_cursor;
110 err = unw_get_reg (&ctx->cursor, UNW_IA64_SP, &sp);
113 err = unw_get_reg (&ctx->cursor, UNW_IA64_IP, &ip);
117 /* fp is the SP of the parent frame */
118 new_cursor = ctx->cursor;
120 err = unw_step (&new_cursor);
123 err = unw_get_reg (&new_cursor, UNW_IA64_SP, &fp);
129 #define MONO_CONTEXT_SET_IP(ctx,eip) do { int err = unw_set_reg (&(ctx)->cursor, UNW_IA64_IP, (unw_word_t)(eip)); g_assert (err == 0); } while (0)
130 #define MONO_CONTEXT_SET_BP(ctx,ebp) do { } while (0)
131 #define MONO_CONTEXT_SET_SP(ctx,esp) do { int err = unw_set_reg (&(ctx)->cursor, UNW_IA64_SP, (unw_word_t)(esp)); g_assert (err == 0); } while (0)
133 #define MONO_CONTEXT_GET_IP(ctx) ((gpointer)(mono_ia64_context_get_ip ((ctx))))
134 #define MONO_CONTEXT_GET_BP(ctx) ((gpointer)(mono_ia64_context_get_fp ((ctx))))
135 #define MONO_CONTEXT_GET_SP(ctx) ((gpointer)(mono_ia64_context_get_sp ((ctx))))
137 #define MONO_INIT_CONTEXT_FROM_FUNC(ctx,start_func) do { \
138 mono_arch_flush_register_windows (); \
139 MONO_CONTEXT_SET_IP ((ctx), (start_func)); \
140 MONO_CONTEXT_SET_BP ((ctx), __builtin_frame_address (0)); \
143 #define MONO_INIT_CONTEXT_FROM_CURRENT(ctx) do { \
145 res = unw_getcontext (&unw_ctx); \
146 g_assert (res == 0); \
147 res = unw_init_local (&(ctx)->cursor, &unw_ctx); \
148 g_assert (res == 0); \
151 #define MONO_ARCH_CONTEXT_DEF unw_context_t unw_ctx;
153 #define MONO_ARCH_USE_SIGACTION 1
155 #ifdef HAVE_WORKING_SIGALTSTACK
157 //#define MONO_ARCH_SIGSEGV_ON_ALTSTACK
161 #define MONO_ARCH_NO_EMULATE_LONG_SHIFT_OPS
163 #define MONO_ARCH_EMULATE_CONV_R8_UN 1
164 #define MONO_ARCH_EMULATE_LCONV_TO_R8_UN 1
165 #define MONO_ARCH_EMULATE_FREM 1
166 #define MONO_ARCH_EMULATE_MUL_DIV 1
167 #define MONO_ARCH_EMULATE_LONG_MUL_OPTS 1
168 #define MONO_ARCH_NEED_DIV_CHECK 1
170 #define MONO_ARCH_HAVE_IS_INT_OVERFLOW 1
172 #define MONO_ARCH_ENABLE_EMIT_STATE_OPT 1
173 #define MONO_ARCH_HAVE_INVALIDATE_METHOD 1
174 #define MONO_ARCH_HAVE_THROW_CORLIB_EXCEPTION 1
175 #define MONO_ARCH_HAVE_PIC_AOT 1
176 #define MONO_ARCH_HAVE_CREATE_TRAMPOLINE_FROM_TOKEN 1
177 #define MONO_ARCH_HAVE_SAVE_UNWIND_INFO 1
179 #endif /* __MONO_MINI_IA64_H__ */