5 #ifndef __MONO_MINI_PPC_H__
6 #define __MONO_MINI_PPC_H__
8 #include <mono/arch/ppc/ppc-codegen.h>
9 #include <mono/utils/mono-sigcontext.h>
10 #include <mono/utils/mono-context.h>
11 #include <mono/metadata/object.h>
15 #define MONO_ARCH_CPU_SPEC mono_ppc64_cpu_desc
17 #define MONO_ARCH_CPU_SPEC mono_ppcg4
20 #define MONO_MAX_IREGS 32
21 #define MONO_MAX_FREGS 32
23 #define MONO_SAVED_GREGS 19
24 #define MONO_SAVED_FREGS 18
26 #define MONO_PPC_FIRST_SAVED_GREG ppc_r13
27 #define MONO_PPC_FIRST_SAVED_FREG ppc_f14
29 #define MONO_ARCH_FRAME_ALIGNMENT 16
31 /* fixme: align to 16byte instead of 32byte (we align to 32byte to get
32 * reproduceable results for benchmarks */
33 #define MONO_ARCH_CODE_ALIGNMENT 32
35 void ppc_patch (guchar *code, const guchar *target);
36 void ppc_patch_full (guchar *code, const guchar *target, gboolean is_fd);
40 * If the second lowest bit is set to 1, then this is a MonoLMFExt structure, and
41 * the other fields are not valid.
43 gpointer previous_lmf;
48 /* Add a dummy field to force iregs to be aligned when cross compiling from x86 */
50 mgreg_t iregs [MONO_SAVED_GREGS]; /* 13..31 */
51 gdouble fregs [MONO_SAVED_FREGS]; /* 14..31 */
55 typedef struct MonoCompileArch {
56 int fp_conv_var_offset;
60 * ILP32 uses a version of the ppc64 abi with sizeof(void*)==sizeof(long)==4.
61 * To support this, code needs to follow the following conventions:
62 * - for the size of a pointer use sizeof (gpointer)
63 * - for the size of a register/stack slot use SIZEOF_REGISTER.
64 * - for variables which contain values of registers, use mgreg_t.
65 * - for loading/saving pointers/ints, use the normal ppc_load_reg/ppc_save_reg ()
67 * - for loading/saving register sized quantities, use the ppc_ldr/ppc_str
69 * - make sure to not mix the two kinds of macros for the same memory location,
70 * since ppc is big endian, so a 8 byte store followed by a 4 byte load will
71 * load the upper 32 bit of the value.
72 * - use OP_LOADR_MEMBASE/OP_STORER_MEMBASE to load/store register sized
77 #define MONO_ARCH_NO_EMULATE_LONG_SHIFT_OPS
78 #define MONO_ARCH_NO_EMULATE_LONG_MUL_OPTS
80 /* ELFv2 ABI doesn't use function descriptors. */
82 #undef PPC_USES_FUNCTION_DESCRIPTOR
84 #define PPC_USES_FUNCTION_DESCRIPTOR
87 #else /* must be __mono_ppc__ */
89 #define MONO_ARCH_EMULATE_FCONV_TO_I8 1
90 #define MONO_ARCH_EMULATE_LCONV_TO_R8 1
91 #define MONO_ARCH_EMULATE_LCONV_TO_R4 1
94 #define MONO_ARCH_EMULATE_LCONV_TO_R8_UN 1
95 #define MONO_ARCH_EMULATE_FREM 1
96 #define MONO_ARCH_GC_MAPS_SUPPORTED 1
98 /* Parameters used by the register allocator */
99 #define MONO_ARCH_CALLEE_REGS ((0xff << ppc_r3) | (1 << ppc_r12) | (1 << ppc_r11))
100 #define MONO_ARCH_CALLEE_SAVED_REGS (0xfffff << ppc_r13) /* ppc_13 - ppc_31 */
102 #if defined(__APPLE__) || defined(__mono_ppc64__)
103 #define MONO_ARCH_CALLEE_FREGS (0x1fff << ppc_f1)
105 #define MONO_ARCH_CALLEE_FREGS (0xff << ppc_f1)
107 #define MONO_ARCH_CALLEE_SAVED_FREGS (~(MONO_ARCH_CALLEE_FREGS | 1))
109 #define MONO_ARCH_USE_FPSTACK FALSE
110 #define MONO_ARCH_FPSTACK_SIZE 0
112 #ifdef __mono_ppc64__
113 #define MONO_ARCH_INST_FIXED_REG(desc) (((desc) == 'a')? ppc_r3:\
114 ((desc) == 'g'? ppc_f1:-1))
115 #define MONO_ARCH_INST_IS_REGPAIR(desc) FALSE
116 #define MONO_ARCH_INST_REGPAIR_REG2(desc,hreg1) (-1)
118 #define MONO_ARCH_INST_FIXED_REG(desc) (((desc) == 'a')? ppc_r3:\
119 ((desc) == 'l')? ppc_r4:\
120 ((desc) == 'g'? ppc_f1:-1))
121 #define MONO_ARCH_INST_IS_REGPAIR(desc) (desc == 'l')
122 #define MONO_ARCH_INST_REGPAIR_REG2(desc,hreg1) (desc == 'l' ? ppc_r3 : -1)
125 #define MONO_ARCH_INST_SREG2_MASK(ins) (0)
127 #define MONO_ARCH_INST_IS_FLOAT(desc) ((desc == 'f') || (desc == 'g'))
129 /* deal with some of the ABI differences here */
131 #define PPC_RET_ADDR_OFFSET 8
132 #define PPC_STACK_PARAM_OFFSET 24
133 #define PPC_MINIMAL_STACK_SIZE 24
134 #define PPC_MINIMAL_PARAM_AREA_SIZE 0
135 #define PPC_LARGEST_STRUCT_SIZE_TO_RETURN_VIA_REGISTERS 0
136 #define PPC_MOST_FLOAT_STRUCT_MEMBERS_TO_RETURN_VIA_REGISTERS 0
137 #define PPC_FIRST_ARG_REG ppc_r3
138 #define PPC_LAST_ARG_REG ppc_r10
139 #define PPC_FIRST_FPARG_REG ppc_f1
140 #define PPC_LAST_FPARG_REG ppc_f13
141 #define PPC_PASS_STRUCTS_BY_VALUE 1
142 #define PPC_PASS_SMALL_FLOAT_STRUCTS_IN_FR_REGS 0
143 #define PPC_RETURN_SMALL_FLOAT_STRUCTS_IN_FR_REGS 0
144 #define PPC_RETURN_SMALL_STRUCTS_IN_REGS 0
145 #define MONO_ARCH_HAVE_DECOMPOSE_VTYPE_OPTS 0
146 #define MONO_ARCH_RETURN_CAN_USE_MULTIPLE_REGISTERS 0
149 #ifdef __mono_ppc64__
150 #define PPC_RET_ADDR_OFFSET 16
153 #define PPC_STACK_PARAM_OFFSET 32
154 #define PPC_MINIMAL_STACK_SIZE 32
155 #define PPC_LARGEST_STRUCT_SIZE_TO_RETURN_VIA_REGISTERS 16
156 #define PPC_MOST_FLOAT_STRUCT_MEMBERS_TO_RETURN_VIA_REGISTERS 8
157 #define PPC_PASS_SMALL_FLOAT_STRUCTS_IN_FR_REGS 1
158 #define PPC_RETURN_SMALL_FLOAT_STRUCTS_IN_FR_REGS 1
159 #define PPC_RETURN_SMALL_STRUCTS_IN_REGS 1
160 #define MONO_ARCH_HAVE_DECOMPOSE_VTYPE_OPTS 1
161 #define MONO_ARCH_RETURN_CAN_USE_MULTIPLE_REGISTERS 1
163 // Define "DEBUG_ELFABIV2" to allow for debugging output for ELF ABI v2 function call and return codegen
164 // #define DEBUG_ELFABIV2
166 #define MONO_ARCH_LLVM_SUPPORTED 1
169 #define PPC_STACK_PARAM_OFFSET 48
170 #define PPC_MINIMAL_STACK_SIZE 48
171 #define PPC_LARGEST_STRUCT_SIZE_TO_RETURN_VIA_REGISTERS 0
172 #define PPC_MOST_FLOAT_STRUCT_MEMBERS_TO_RETURN_VIA_REGISTERS 0
173 #define PPC_PASS_SMALL_FLOAT_STRUCTS_IN_FR_REGS 0
174 #define PPC_RETURN_SMALL_FLOAT_STRUCTS_IN_FR_REGS 0
175 #define PPC_RETURN_SMALL_STRUCTS_IN_REGS 0
176 #define MONO_ARCH_HAVE_DECOMPOSE_VTYPE_OPTS 0
177 #define MONO_ARCH_RETURN_CAN_USE_MULTIPLE_REGISTERS 0
179 #define MONO_ARCH_HAVE_SETUP_ASYNC_CALLBACK 1
180 #define PPC_MINIMAL_PARAM_AREA_SIZE 64
181 #define PPC_LAST_FPARG_REG ppc_f13
182 #define PPC_PASS_STRUCTS_BY_VALUE 1
183 #define PPC_THREAD_PTR_REG ppc_r13
185 #define PPC_RET_ADDR_OFFSET 4
186 #define PPC_STACK_PARAM_OFFSET 8
187 #define PPC_MINIMAL_STACK_SIZE 8
188 #define PPC_MINIMAL_PARAM_AREA_SIZE 0
189 #define PPC_LAST_FPARG_REG ppc_f8
190 #define PPC_PASS_STRUCTS_BY_VALUE 0
191 #define PPC_LARGEST_STRUCT_SIZE_TO_RETURN_VIA_REGISTERS 0
192 #define PPC_MOST_FLOAT_STRUCT_MEMBERS_TO_RETURN_VIA_REGISTERS 0
193 #define PPC_PASS_SMALL_FLOAT_STRUCTS_IN_FR_REGS 0
194 #define PPC_RETURN_SMALL_FLOAT_STRUCTS_IN_FR_REGS 0
195 #define PPC_RETURN_SMALL_STRUCTS_IN_REGS 0
196 #define MONO_ARCH_HAVE_DECOMPOSE_VTYPE_OPTS 0
197 #define MONO_ARCH_RETURN_CAN_USE_MULTIPLE_REGISTERS 0
198 #define PPC_THREAD_PTR_REG ppc_r2
200 #define MONO_ARCH_HAVE_SIGCTX_TO_MONOCTX 1
201 #define PPC_FIRST_ARG_REG ppc_r3
202 #define PPC_LAST_ARG_REG ppc_r10
203 #define PPC_FIRST_FPARG_REG ppc_f1
206 #define PPC_CALL_REG ppc_r12
208 #if defined(HAVE_WORKING_SIGALTSTACK) && !defined(__APPLE__)
209 #define MONO_ARCH_SIGSEGV_ON_ALTSTACK 1
210 #define MONO_ARCH_SIGNAL_STACK_SIZE (12 * 1024)
211 #endif /* HAVE_WORKING_SIGALTSTACK */
213 #define MONO_ARCH_IMT_REG ppc_r11
215 #define MONO_ARCH_VTABLE_REG ppc_r11
216 #define MONO_ARCH_RGCTX_REG MONO_ARCH_IMT_REG
218 #define MONO_ARCH_NO_IOV_CHECK 1
219 #define MONO_ARCH_HAVE_DECOMPOSE_OPTS 1
220 #define MONO_ARCH_HAVE_DECOMPOSE_LONG_OPTS 1
222 #define MONO_ARCH_HAVE_GENERALIZED_IMT_TRAMPOLINE 1
224 #define MONO_ARCH_HAVE_FULL_AOT_TRAMPOLINES 1
226 #define MONO_ARCH_GSHARED_SUPPORTED 1
228 #define MONO_ARCH_NEED_DIV_CHECK 1
229 #define MONO_ARCH_AOT_SUPPORTED 1
230 #define MONO_ARCH_NEED_GOT_VAR 1
231 #if !defined(MONO_CROSS_COMPILE) && !defined(TARGET_PS3)
232 #define MONO_ARCH_SOFT_DEBUG_SUPPORTED 1
234 #define MONO_ARCH_HAVE_OP_TAIL_CALL 1
235 #define MONO_ARCH_HAVE_INIT_LMF_EXT 1
237 #define PPC_NUM_REG_ARGS (PPC_LAST_ARG_REG-PPC_FIRST_ARG_REG+1)
238 #define PPC_NUM_REG_FPARGS (PPC_LAST_FPARG_REG-PPC_FIRST_FPARG_REG+1)
240 #ifdef MONO_CROSS_COMPILE
244 unsigned long unused1;
248 #define MONO_INIT_CONTEXT_FROM_FUNC(ctx,start_func) g_assert_not_reached ()
250 #elif defined(__APPLE__)
254 unsigned long unused1;
258 #define MONO_INIT_CONTEXT_FROM_FUNC(ctx,start_func) do { \
260 __asm__ volatile("mr %0,r1" : "=r" (r1)); \
261 MONO_CONTEXT_SET_BP ((ctx), r1); \
262 MONO_CONTEXT_SET_IP ((ctx), (start_func)); \
269 #ifdef __mono_ppc64__
275 #ifdef G_COMPILER_CODEWARRIOR
276 #define MONO_INIT_CONTEXT_FROM_FUNC(ctx,start_func) do { \
277 register gpointer r1_var; \
278 asm { mr r1_var, r1 }; \
279 MONO_CONTEXT_SET_BP ((ctx), r1); \
280 MONO_CONTEXT_SET_IP ((ctx), (start_func)); \
284 #define MONO_INIT_CONTEXT_FROM_FUNC(ctx,start_func) do { \
286 __asm__ volatile("mr %0,1" : "=r" (r1)); \
287 MONO_CONTEXT_SET_BP ((ctx), r1); \
288 MONO_CONTEXT_SET_IP ((ctx), (start_func)); \
294 #define MONO_ARCH_INIT_TOP_LMF_ENTRY(lmf) do { (lmf)->ebp = -1; } while (0)
303 #ifdef PPC_USES_FUNCTION_DESCRIPTOR
308 } MonoPPCFunctionDescriptor;
310 #define PPC_FTNPTR_SIZE sizeof (MonoPPCFunctionDescriptor)
311 extern guint8* mono_ppc_create_pre_code_ftnptr (guint8 *code);
313 #define PPC_FTNPTR_SIZE 0
314 #define mono_ppc_create_pre_code_ftnptr(c) c
317 #if defined(__linux__)
318 #define MONO_ARCH_USE_SIGACTION 1
319 #elif defined (__APPLE__) && defined (_STRUCT_MCONTEXT)
320 #define MONO_ARCH_USE_SIGACTION 1
321 #elif defined (__APPLE__) && !defined (_STRUCT_MCONTEXT)
322 #define MONO_ARCH_USE_SIGACTION 1
323 #elif defined(__NetBSD__)
324 #define MONO_ARCH_USE_SIGACTION 1
325 #elif defined(__FreeBSD__)
326 #define MONO_ARCH_USE_SIGACTION 1
327 #elif defined(MONO_CROSS_COMPILE)
328 typedef MonoContext ucontext_t;
332 #define UCONTEXT_REG_Rn(ctx, n)
333 #define UCONTEXT_REG_FPRn(ctx, n)
334 #define UCONTEXT_REG_NIP(ctx)
335 #define UCONTEXT_REG_LNK(ctx)
338 /* For other operating systems, we pull the definition from an external file */
339 #include "mini-ppc-os.h"
343 mono_ppc_tail_call_supported (MonoMethodSignature *caller_sig, MonoMethodSignature *callee_sig);
346 mono_ppc_patch (guchar *code, const guchar *target);
349 mono_ppc_throw_exception (MonoObject *exc, unsigned long eip, unsigned long esp, mgreg_t *int_regs, gdouble *fp_regs, gboolean rethrow);
351 #ifdef __mono_ppc64__
352 #define MONO_PPC_32_64_CASE(c32,c64) c64
353 extern void mono_ppc_emitted (guint8 *code, gint64 length, const char *format, ...);
355 #define MONO_PPC_32_64_CASE(c32,c64) c32
358 gboolean mono_ppc_is_direct_call_sequence (guint32 *code);
360 void mono_ppc_patch_plt_entry (guint8 *code, gpointer *got, mgreg_t *regs, guint8 *addr);
362 void mono_ppc_set_func_into_sigctx (void *sigctx, void *func);
365 // Debugging macros for ELF ABI v2
366 #ifdef DEBUG_ELFABIV2
368 #define DEBUG_ELFABIV2_printf(a, ...) \
369 {char *debug_env; if (debug_env = getenv("DEBUG_ELFABIV2")) { printf(a, ##__VA_ARGS__); fflush(stdout); g_free (debug_env); } }
371 #define DEBUG_ELFABIV2_mono_print_ins(a) \
372 {char *debug_env; if (debug_env = getenv("DEBUG_ELFABIV2")) { if (!a) {printf("null\n");} else {mono_print_ins(a);} fflush(stdout); g_free (debug_env); } }
374 extern char* mono_type_full_name (MonoType *type);
376 #define DEBUG_ELFABIV2_mono_print_type(a) \
377 {char *debug_env; if (debug_env = getenv("DEBUG_ELFABIV2")) { printf("%s, size: %d\n", mono_type_get_name(a), mini_type_stack_size (a, 0)); fflush(stdout); g_free (debug_env); } }
379 #define DEBUG_ELFABIV2_mono_print_class(a) \
380 {char *debug_env; if (debug_env = getenv("DEBUG_ELFABIV2")) { printf("%s\n", mono_type_get_name(&a->byval_arg)); fflush(stdout); g_free (debug_env); } }
384 #define DEBUG_ELFABIV2_printf(a, ...)
385 #define DEBUG_ELFABIV2_mono_print_ins(a)
386 #define DEBUG_ELFABIV2_mono_print_type(a)
387 #define DEBUG_ELFABIV2_mono_print_class(a)
391 #endif /* __MONO_MINI_PPC_H__ */