1 #ifndef __MONO_MINI_PPC_H__
2 #define __MONO_MINI_PPC_H__
4 #include <mono/arch/ppc/ppc-codegen.h>
5 #include <mono/utils/mono-sigcontext.h>
6 #include <mono/utils/mono-context.h>
7 #include <mono/metadata/object.h>
11 #define MONO_ARCH_CPU_SPEC mono_ppc64_cpu_desc
13 #define MONO_ARCH_CPU_SPEC mono_ppcg4
16 #define MONO_MAX_IREGS 32
17 #define MONO_MAX_FREGS 32
19 #define MONO_SAVED_GREGS 19
20 #define MONO_SAVED_FREGS 18
22 #define MONO_ARCH_FRAME_ALIGNMENT 16
24 /* fixme: align to 16byte instead of 32byte (we align to 32byte to get
25 * reproduceable results for benchmarks */
26 #define MONO_ARCH_CODE_ALIGNMENT 32
28 void ppc_patch (guchar *code, const guchar *target);
29 void ppc_patch_full (guchar *code, const guchar *target, gboolean is_fd);
33 * If the second lowest bit is set to 1, then this is a MonoLMFExt structure, and
34 * the other fields are not valid.
36 gpointer previous_lmf;
41 /* Add a dummy field to force iregs to be aligned when cross compiling from x86 */
43 mgreg_t iregs [MONO_SAVED_GREGS]; /* 13..31 */
44 gdouble fregs [MONO_SAVED_FREGS]; /* 14..31 */
48 typedef struct MonoCompileArch {
49 int fp_conv_var_offset;
53 * ILP32 uses a version of the ppc64 abi with sizeof(void*)==sizeof(long)==4.
54 * To support this, code needs to follow the following conventions:
55 * - for the size of a pointer use sizeof (gpointer)
56 * - for the size of a register/stack slot use SIZEOF_REGISTER.
57 * - for variables which contain values of registers, use mgreg_t.
58 * - for loading/saving pointers/ints, use the normal ppc_load_reg/ppc_save_reg ()
60 * - for loading/saving register sized quantities, use the ppc_ldr/ppc_str
62 * - make sure to not mix the two kinds of macros for the same memory location,
63 * since ppc is big endian, so a 8 byte store followed by a 4 byte load will
64 * load the upper 32 bit of the value.
65 * - use OP_LOADR_MEMBASE/OP_STORER_MEMBASE to load/store register sized
70 #define MONO_ARCH_NO_EMULATE_LONG_SHIFT_OPS
71 #define MONO_ARCH_NO_EMULATE_LONG_MUL_OPTS
73 /* ELFv2 ABI doesn't use function descriptors. */
75 #undef PPC_USES_FUNCTION_DESCRIPTOR
77 #define PPC_USES_FUNCTION_DESCRIPTOR
80 #ifndef __mono_ilp32__
81 #define MONO_ARCH_HAVE_TLS_GET 1
84 #else /* must be __mono_ppc__ */
86 #define MONO_ARCH_HAVE_TLS_GET 1
87 #define MONO_ARCH_EMULATE_FCONV_TO_I8 1
88 #define MONO_ARCH_EMULATE_LCONV_TO_R8 1
89 #define MONO_ARCH_EMULATE_LCONV_TO_R4 1
92 #define MONO_ARCH_EMULATE_LCONV_TO_R8_UN 1
93 #define MONO_ARCH_EMULATE_FREM 1
94 #define MONO_ARCH_GC_MAPS_SUPPORTED 1
96 /* Parameters used by the register allocator */
97 #define MONO_ARCH_CALLEE_REGS ((0xff << ppc_r3) | (1 << ppc_r12) | (1 << ppc_r11))
98 #define MONO_ARCH_CALLEE_SAVED_REGS (0xfffff << ppc_r13) /* ppc_13 - ppc_31 */
100 #if defined(__APPLE__) || defined(__mono_ppc64__)
101 #define MONO_ARCH_CALLEE_FREGS (0x1fff << ppc_f1)
103 #define MONO_ARCH_CALLEE_FREGS (0xff << ppc_f1)
105 #define MONO_ARCH_CALLEE_SAVED_FREGS (~(MONO_ARCH_CALLEE_FREGS | 1))
107 #define MONO_ARCH_USE_FPSTACK FALSE
108 #define MONO_ARCH_FPSTACK_SIZE 0
110 #ifdef __mono_ppc64__
111 #define MONO_ARCH_INST_FIXED_REG(desc) (((desc) == 'a')? ppc_r3:\
112 ((desc) == 'g'? ppc_f1:-1))
113 #define MONO_ARCH_INST_IS_REGPAIR(desc) FALSE
114 #define MONO_ARCH_INST_REGPAIR_REG2(desc,hreg1) (-1)
116 #define MONO_ARCH_INST_FIXED_REG(desc) (((desc) == 'a')? ppc_r3:\
117 ((desc) == 'l')? ppc_r4:\
118 ((desc) == 'g'? ppc_f1:-1))
119 #define MONO_ARCH_INST_IS_REGPAIR(desc) (desc == 'l')
120 #define MONO_ARCH_INST_REGPAIR_REG2(desc,hreg1) (desc == 'l' ? ppc_r3 : -1)
123 #define MONO_ARCH_INST_SREG2_MASK(ins) (0)
125 #define MONO_ARCH_INST_IS_FLOAT(desc) ((desc == 'f') || (desc == 'g'))
127 /* deal with some of the ABI differences here */
129 #define PPC_RET_ADDR_OFFSET 8
130 #define PPC_STACK_PARAM_OFFSET 24
131 #define PPC_MINIMAL_STACK_SIZE 24
132 #define PPC_MINIMAL_PARAM_AREA_SIZE 0
133 #define PPC_LARGEST_STRUCT_SIZE_TO_RETURN_VIA_REGISTERS 0
134 #define PPC_MOST_FLOAT_STRUCT_MEMBERS_TO_RETURN_VIA_REGISTERS 0
135 #define PPC_FIRST_ARG_REG ppc_r3
136 #define PPC_LAST_ARG_REG ppc_r10
137 #define PPC_FIRST_FPARG_REG ppc_f1
138 #define PPC_LAST_FPARG_REG ppc_f13
139 #define PPC_PASS_STRUCTS_BY_VALUE 1
140 #define PPC_PASS_SMALL_FLOAT_STRUCTS_IN_FR_REGS 0
141 #define PPC_RETURN_SMALL_FLOAT_STRUCTS_IN_FR_REGS 0
142 #define PPC_RETURN_SMALL_STRUCTS_IN_REGS 0
143 #define MONO_ARCH_HAVE_DECOMPOSE_VTYPE_OPTS 0
144 #define MONO_ARCH_RETURN_CAN_USE_MULTIPLE_REGISTERS 0
147 #ifdef __mono_ppc64__
148 #define PPC_RET_ADDR_OFFSET 16
151 #define PPC_STACK_PARAM_OFFSET 32
152 #define PPC_MINIMAL_STACK_SIZE 32
153 #define PPC_LARGEST_STRUCT_SIZE_TO_RETURN_VIA_REGISTERS 16
154 #define PPC_MOST_FLOAT_STRUCT_MEMBERS_TO_RETURN_VIA_REGISTERS 8
155 #define PPC_PASS_SMALL_FLOAT_STRUCTS_IN_FR_REGS 1
156 #define PPC_RETURN_SMALL_FLOAT_STRUCTS_IN_FR_REGS 1
157 #define PPC_RETURN_SMALL_STRUCTS_IN_REGS 1
158 #define MONO_ARCH_HAVE_DECOMPOSE_VTYPE_OPTS 1
159 #define MONO_ARCH_RETURN_CAN_USE_MULTIPLE_REGISTERS 1
161 // FIXME: To get the test case finally_block_ending_in_dead_bb to work properly define the following
162 // and then implement the fuction mono_arch_create_handler_block_trampoline.
163 // #define MONO_ARCH_HAVE_HANDLER_BLOCK_GUARD 1
165 // Define "DEBUG_ELFABIV2" to allow for debugging output for ELF ABI v2 function call and return codegen
166 // #define DEBUG_ELFABIV2
168 #define MONO_ARCH_LLVM_SUPPORTED 1
171 #define PPC_STACK_PARAM_OFFSET 48
172 #define PPC_MINIMAL_STACK_SIZE 48
173 #define PPC_LARGEST_STRUCT_SIZE_TO_RETURN_VIA_REGISTERS 0
174 #define PPC_MOST_FLOAT_STRUCT_MEMBERS_TO_RETURN_VIA_REGISTERS 0
175 #define PPC_PASS_SMALL_FLOAT_STRUCTS_IN_FR_REGS 0
176 #define PPC_RETURN_SMALL_FLOAT_STRUCTS_IN_FR_REGS 0
177 #define PPC_RETURN_SMALL_STRUCTS_IN_REGS 0
178 #define MONO_ARCH_HAVE_DECOMPOSE_VTYPE_OPTS 0
179 #define MONO_ARCH_RETURN_CAN_USE_MULTIPLE_REGISTERS 0
181 #define MONO_ARCH_HAVE_SETUP_ASYNC_CALLBACK 1
182 #define PPC_MINIMAL_PARAM_AREA_SIZE 64
183 #define PPC_LAST_FPARG_REG ppc_f13
184 #define PPC_PASS_STRUCTS_BY_VALUE 1
185 #define PPC_THREAD_PTR_REG ppc_r13
186 #define MONO_ARCH_HAVE_SIGCTX_TO_MONOCTX 1
188 #define PPC_RET_ADDR_OFFSET 4
189 #define PPC_STACK_PARAM_OFFSET 8
190 #define PPC_MINIMAL_STACK_SIZE 8
191 #define PPC_MINIMAL_PARAM_AREA_SIZE 0
192 #define PPC_LAST_FPARG_REG ppc_f8
193 #define PPC_PASS_STRUCTS_BY_VALUE 0
194 #define PPC_LARGEST_STRUCT_SIZE_TO_RETURN_VIA_REGISTERS 0
195 #define PPC_MOST_FLOAT_STRUCT_MEMBERS_TO_RETURN_VIA_REGISTERS 0
196 #define PPC_PASS_SMALL_FLOAT_STRUCTS_IN_FR_REGS 0
197 #define PPC_RETURN_SMALL_FLOAT_STRUCTS_IN_FR_REGS 0
198 #define PPC_RETURN_SMALL_STRUCTS_IN_REGS 0
199 #define MONO_ARCH_HAVE_DECOMPOSE_VTYPE_OPTS 0
200 #define MONO_ARCH_RETURN_CAN_USE_MULTIPLE_REGISTERS 0
201 #define PPC_THREAD_PTR_REG ppc_r2
203 #define PPC_FIRST_ARG_REG ppc_r3
204 #define PPC_LAST_ARG_REG ppc_r10
205 #define PPC_FIRST_FPARG_REG ppc_f1
208 #define PPC_CALL_REG ppc_r12
210 #if defined(HAVE_WORKING_SIGALTSTACK) && !defined(__APPLE__)
211 #define MONO_ARCH_SIGSEGV_ON_ALTSTACK 1
212 #define MONO_ARCH_SIGNAL_STACK_SIZE (12 * 1024)
213 #endif /* HAVE_WORKING_SIGALTSTACK */
215 #define MONO_ARCH_IMT_REG ppc_r11
217 #define MONO_ARCH_VTABLE_REG ppc_r11
218 #define MONO_ARCH_RGCTX_REG MONO_ARCH_IMT_REG
220 #define MONO_ARCH_NO_IOV_CHECK 1
221 #define MONO_ARCH_HAVE_DECOMPOSE_OPTS 1
222 #define MONO_ARCH_HAVE_DECOMPOSE_LONG_OPTS 1
224 #define MONO_ARCH_HAVE_GENERALIZED_IMT_THUNK 1
226 #define MONO_ARCH_HAVE_FULL_AOT_TRAMPOLINES 1
228 #define MONO_ARCH_GSHARED_SUPPORTED 1
230 #define MONO_ARCH_NEED_DIV_CHECK 1
231 #define MONO_ARCH_AOT_SUPPORTED 1
232 #define MONO_ARCH_NEED_GOT_VAR 1
233 #if !defined(MONO_CROSS_COMPILE) && !defined(TARGET_PS3)
234 #define MONO_ARCH_SOFT_DEBUG_SUPPORTED 1
236 #define MONO_ARCH_HAVE_OP_TAIL_CALL 1
238 #define PPC_NUM_REG_ARGS (PPC_LAST_ARG_REG-PPC_FIRST_ARG_REG+1)
239 #define PPC_NUM_REG_FPARGS (PPC_LAST_FPARG_REG-PPC_FIRST_FPARG_REG+1)
241 #ifdef MONO_CROSS_COMPILE
245 unsigned long unused1;
249 #define MONO_INIT_CONTEXT_FROM_FUNC(ctx,start_func) g_assert_not_reached ()
251 #elif defined(__APPLE__)
255 unsigned long unused1;
259 #define MONO_INIT_CONTEXT_FROM_FUNC(ctx,start_func) do { \
261 __asm__ volatile("mr %0,r1" : "=r" (r1)); \
262 MONO_CONTEXT_SET_BP ((ctx), r1); \
263 MONO_CONTEXT_SET_IP ((ctx), (start_func)); \
270 #ifdef __mono_ppc64__
276 #ifdef G_COMPILER_CODEWARRIOR
277 #define MONO_INIT_CONTEXT_FROM_FUNC(ctx,start_func) do { \
278 register gpointer r1_var; \
279 asm { mr r1_var, r1 }; \
280 MONO_CONTEXT_SET_BP ((ctx), r1); \
281 MONO_CONTEXT_SET_IP ((ctx), (start_func)); \
285 #define MONO_INIT_CONTEXT_FROM_FUNC(ctx,start_func) do { \
287 __asm__ volatile("mr %0,1" : "=r" (r1)); \
288 MONO_CONTEXT_SET_BP ((ctx), r1); \
289 MONO_CONTEXT_SET_IP ((ctx), (start_func)); \
295 #define MONO_ARCH_INIT_TOP_LMF_ENTRY(lmf) do { (lmf)->ebp = -1; } while (0)
304 #ifdef PPC_USES_FUNCTION_DESCRIPTOR
309 } MonoPPCFunctionDescriptor;
311 #define PPC_FTNPTR_SIZE sizeof (MonoPPCFunctionDescriptor)
312 extern guint8* mono_ppc_create_pre_code_ftnptr (guint8 *code);
314 #define PPC_FTNPTR_SIZE 0
315 #define mono_ppc_create_pre_code_ftnptr(c) c
318 #if defined(__linux__)
319 #define MONO_ARCH_USE_SIGACTION 1
320 #elif defined (__APPLE__) && defined (_STRUCT_MCONTEXT)
321 #define MONO_ARCH_USE_SIGACTION 1
322 #elif defined (__APPLE__) && !defined (_STRUCT_MCONTEXT)
323 #define MONO_ARCH_USE_SIGACTION 1
324 #elif defined(__NetBSD__)
325 #define MONO_ARCH_USE_SIGACTION 1
326 #elif defined(__FreeBSD__)
327 #define MONO_ARCH_USE_SIGACTION 1
328 #elif defined(MONO_CROSS_COMPILE)
329 typedef MonoContext ucontext_t;
333 #define UCONTEXT_REG_Rn(ctx, n)
334 #define UCONTEXT_REG_FPRn(ctx, n)
335 #define UCONTEXT_REG_NIP(ctx)
336 #define UCONTEXT_REG_LNK(ctx)
339 /* For other operating systems, we pull the definition from an external file */
340 #include "mini-ppc-os.h"
344 mono_ppc_tail_call_supported (MonoMethodSignature *caller_sig, MonoMethodSignature *callee_sig);
347 mono_ppc_patch (guchar *code, const guchar *target);
350 mono_ppc_throw_exception (MonoObject *exc, unsigned long eip, unsigned long esp, mgreg_t *int_regs, gdouble *fp_regs, gboolean rethrow);
352 #ifdef __mono_ppc64__
353 #define MONO_PPC_32_64_CASE(c32,c64) c64
354 extern void mono_ppc_emitted (guint8 *code, gint64 length, const char *format, ...);
356 #define MONO_PPC_32_64_CASE(c32,c64) c32
359 gboolean mono_ppc_is_direct_call_sequence (guint32 *code);
361 void mono_ppc_patch_plt_entry (guint8 *code, gpointer *got, mgreg_t *regs, guint8 *addr);
363 void mono_ppc_set_func_into_sigctx (void *sigctx, void *func);
366 // Debugging macros for ELF ABI v2
367 #ifdef DEBUG_ELFABIV2
369 #define DEBUG_ELFABIV2_printf(a, ...) \
370 {if (getenv("DEBUG_ELFABIV2")) { printf(a, ##__VA_ARGS__); fflush(stdout); } }
372 #define DEBUG_ELFABIV2_mono_print_ins(a) \
373 {if (getenv("DEBUG_ELFABIV2")) { if (!a) {printf("null\n");} else {mono_print_ins(a);} fflush(stdout); } }
375 extern char* mono_type_full_name (MonoType *type);
377 #define DEBUG_ELFABIV2_mono_print_type(a) \
378 {if (getenv("DEBUG_ELFABIV2")) { printf("%s, size: %d\n", mono_type_get_name(a), mini_type_stack_size (a, 0)); fflush(stdout); } }
380 #define DEBUG_ELFABIV2_mono_print_class(a) \
381 {if (getenv("DEBUG_ELFABIV2")) { printf("%s\n", mono_type_get_name(&a->byval_arg)); fflush(stdout); } }
385 #define DEBUG_ELFABIV2_printf(a, ...)
386 #define DEBUG_ELFABIV2_mono_print_ins(a)
387 #define DEBUG_ELFABIV2_mono_print_type(a)
388 #define DEBUG_ELFABIV2_mono_print_class(a)
392 #endif /* __MONO_MINI_PPC_H__ */