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_PPC_FIRST_SAVED_GREG ppc_r13
23 #define MONO_PPC_FIRST_SAVED_FREG ppc_f14
25 #define MONO_ARCH_FRAME_ALIGNMENT 16
27 /* fixme: align to 16byte instead of 32byte (we align to 32byte to get
28 * reproduceable results for benchmarks */
29 #define MONO_ARCH_CODE_ALIGNMENT 32
31 void ppc_patch (guchar *code, const guchar *target);
32 void ppc_patch_full (guchar *code, const guchar *target, gboolean is_fd);
36 * If the second lowest bit is set to 1, then this is a MonoLMFExt structure, and
37 * the other fields are not valid.
39 gpointer previous_lmf;
44 /* Add a dummy field to force iregs to be aligned when cross compiling from x86 */
46 mgreg_t iregs [MONO_SAVED_GREGS]; /* 13..31 */
47 gdouble fregs [MONO_SAVED_FREGS]; /* 14..31 */
51 typedef struct MonoCompileArch {
52 int fp_conv_var_offset;
56 * ILP32 uses a version of the ppc64 abi with sizeof(void*)==sizeof(long)==4.
57 * To support this, code needs to follow the following conventions:
58 * - for the size of a pointer use sizeof (gpointer)
59 * - for the size of a register/stack slot use SIZEOF_REGISTER.
60 * - for variables which contain values of registers, use mgreg_t.
61 * - for loading/saving pointers/ints, use the normal ppc_load_reg/ppc_save_reg ()
63 * - for loading/saving register sized quantities, use the ppc_ldr/ppc_str
65 * - make sure to not mix the two kinds of macros for the same memory location,
66 * since ppc is big endian, so a 8 byte store followed by a 4 byte load will
67 * load the upper 32 bit of the value.
68 * - use OP_LOADR_MEMBASE/OP_STORER_MEMBASE to load/store register sized
73 #define MONO_ARCH_NO_EMULATE_LONG_SHIFT_OPS
74 #define MONO_ARCH_NO_EMULATE_LONG_MUL_OPTS
76 /* ELFv2 ABI doesn't use function descriptors. */
78 #undef PPC_USES_FUNCTION_DESCRIPTOR
80 #define PPC_USES_FUNCTION_DESCRIPTOR
83 #else /* must be __mono_ppc__ */
85 #define MONO_ARCH_EMULATE_FCONV_TO_I8 1
86 #define MONO_ARCH_EMULATE_LCONV_TO_R8 1
87 #define MONO_ARCH_EMULATE_LCONV_TO_R4 1
90 #define MONO_ARCH_EMULATE_LCONV_TO_R8_UN 1
91 #define MONO_ARCH_EMULATE_FREM 1
92 #define MONO_ARCH_GC_MAPS_SUPPORTED 1
94 /* Parameters used by the register allocator */
95 #define MONO_ARCH_CALLEE_REGS ((0xff << ppc_r3) | (1 << ppc_r12) | (1 << ppc_r11))
96 #define MONO_ARCH_CALLEE_SAVED_REGS (0xfffff << ppc_r13) /* ppc_13 - ppc_31 */
98 #if defined(__APPLE__) || defined(__mono_ppc64__)
99 #define MONO_ARCH_CALLEE_FREGS (0x1fff << ppc_f1)
101 #define MONO_ARCH_CALLEE_FREGS (0xff << ppc_f1)
103 #define MONO_ARCH_CALLEE_SAVED_FREGS (~(MONO_ARCH_CALLEE_FREGS | 1))
105 #define MONO_ARCH_USE_FPSTACK FALSE
106 #define MONO_ARCH_FPSTACK_SIZE 0
108 #ifdef __mono_ppc64__
109 #define MONO_ARCH_INST_FIXED_REG(desc) (((desc) == 'a')? ppc_r3:\
110 ((desc) == 'g'? ppc_f1:-1))
111 #define MONO_ARCH_INST_IS_REGPAIR(desc) FALSE
112 #define MONO_ARCH_INST_REGPAIR_REG2(desc,hreg1) (-1)
114 #define MONO_ARCH_INST_FIXED_REG(desc) (((desc) == 'a')? ppc_r3:\
115 ((desc) == 'l')? ppc_r4:\
116 ((desc) == 'g'? ppc_f1:-1))
117 #define MONO_ARCH_INST_IS_REGPAIR(desc) (desc == 'l')
118 #define MONO_ARCH_INST_REGPAIR_REG2(desc,hreg1) (desc == 'l' ? ppc_r3 : -1)
121 #define MONO_ARCH_INST_SREG2_MASK(ins) (0)
123 #define MONO_ARCH_INST_IS_FLOAT(desc) ((desc == 'f') || (desc == 'g'))
125 /* deal with some of the ABI differences here */
127 #define PPC_RET_ADDR_OFFSET 8
128 #define PPC_STACK_PARAM_OFFSET 24
129 #define PPC_MINIMAL_STACK_SIZE 24
130 #define PPC_MINIMAL_PARAM_AREA_SIZE 0
131 #define PPC_LARGEST_STRUCT_SIZE_TO_RETURN_VIA_REGISTERS 0
132 #define PPC_MOST_FLOAT_STRUCT_MEMBERS_TO_RETURN_VIA_REGISTERS 0
133 #define PPC_FIRST_ARG_REG ppc_r3
134 #define PPC_LAST_ARG_REG ppc_r10
135 #define PPC_FIRST_FPARG_REG ppc_f1
136 #define PPC_LAST_FPARG_REG ppc_f13
137 #define PPC_PASS_STRUCTS_BY_VALUE 1
138 #define PPC_PASS_SMALL_FLOAT_STRUCTS_IN_FR_REGS 0
139 #define PPC_RETURN_SMALL_FLOAT_STRUCTS_IN_FR_REGS 0
140 #define PPC_RETURN_SMALL_STRUCTS_IN_REGS 0
141 #define MONO_ARCH_HAVE_DECOMPOSE_VTYPE_OPTS 0
142 #define MONO_ARCH_RETURN_CAN_USE_MULTIPLE_REGISTERS 0
145 #ifdef __mono_ppc64__
146 #define PPC_RET_ADDR_OFFSET 16
149 #define PPC_STACK_PARAM_OFFSET 32
150 #define PPC_MINIMAL_STACK_SIZE 32
151 #define PPC_LARGEST_STRUCT_SIZE_TO_RETURN_VIA_REGISTERS 16
152 #define PPC_MOST_FLOAT_STRUCT_MEMBERS_TO_RETURN_VIA_REGISTERS 8
153 #define PPC_PASS_SMALL_FLOAT_STRUCTS_IN_FR_REGS 1
154 #define PPC_RETURN_SMALL_FLOAT_STRUCTS_IN_FR_REGS 1
155 #define PPC_RETURN_SMALL_STRUCTS_IN_REGS 1
156 #define MONO_ARCH_HAVE_DECOMPOSE_VTYPE_OPTS 1
157 #define MONO_ARCH_RETURN_CAN_USE_MULTIPLE_REGISTERS 1
159 // FIXME: To get the test case finally_block_ending_in_dead_bb to work properly define the following
160 // and then implement the fuction mono_arch_create_handler_block_trampoline.
161 // #define MONO_ARCH_HAVE_HANDLER_BLOCK_GUARD 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
236 #define PPC_NUM_REG_ARGS (PPC_LAST_ARG_REG-PPC_FIRST_ARG_REG+1)
237 #define PPC_NUM_REG_FPARGS (PPC_LAST_FPARG_REG-PPC_FIRST_FPARG_REG+1)
239 #ifdef MONO_CROSS_COMPILE
243 unsigned long unused1;
247 #define MONO_INIT_CONTEXT_FROM_FUNC(ctx,start_func) g_assert_not_reached ()
249 #elif defined(__APPLE__)
253 unsigned long unused1;
257 #define MONO_INIT_CONTEXT_FROM_FUNC(ctx,start_func) do { \
259 __asm__ volatile("mr %0,r1" : "=r" (r1)); \
260 MONO_CONTEXT_SET_BP ((ctx), r1); \
261 MONO_CONTEXT_SET_IP ((ctx), (start_func)); \
268 #ifdef __mono_ppc64__
274 #ifdef G_COMPILER_CODEWARRIOR
275 #define MONO_INIT_CONTEXT_FROM_FUNC(ctx,start_func) do { \
276 register gpointer r1_var; \
277 asm { mr r1_var, r1 }; \
278 MONO_CONTEXT_SET_BP ((ctx), r1); \
279 MONO_CONTEXT_SET_IP ((ctx), (start_func)); \
283 #define MONO_INIT_CONTEXT_FROM_FUNC(ctx,start_func) do { \
285 __asm__ volatile("mr %0,1" : "=r" (r1)); \
286 MONO_CONTEXT_SET_BP ((ctx), r1); \
287 MONO_CONTEXT_SET_IP ((ctx), (start_func)); \
293 #define MONO_ARCH_INIT_TOP_LMF_ENTRY(lmf) do { (lmf)->ebp = -1; } while (0)
302 #ifdef PPC_USES_FUNCTION_DESCRIPTOR
307 } MonoPPCFunctionDescriptor;
309 #define PPC_FTNPTR_SIZE sizeof (MonoPPCFunctionDescriptor)
310 extern guint8* mono_ppc_create_pre_code_ftnptr (guint8 *code);
312 #define PPC_FTNPTR_SIZE 0
313 #define mono_ppc_create_pre_code_ftnptr(c) c
316 #if defined(__linux__)
317 #define MONO_ARCH_USE_SIGACTION 1
318 #elif defined (__APPLE__) && defined (_STRUCT_MCONTEXT)
319 #define MONO_ARCH_USE_SIGACTION 1
320 #elif defined (__APPLE__) && !defined (_STRUCT_MCONTEXT)
321 #define MONO_ARCH_USE_SIGACTION 1
322 #elif defined(__NetBSD__)
323 #define MONO_ARCH_USE_SIGACTION 1
324 #elif defined(__FreeBSD__)
325 #define MONO_ARCH_USE_SIGACTION 1
326 #elif defined(MONO_CROSS_COMPILE)
327 typedef MonoContext ucontext_t;
331 #define UCONTEXT_REG_Rn(ctx, n)
332 #define UCONTEXT_REG_FPRn(ctx, n)
333 #define UCONTEXT_REG_NIP(ctx)
334 #define UCONTEXT_REG_LNK(ctx)
337 /* For other operating systems, we pull the definition from an external file */
338 #include "mini-ppc-os.h"
342 mono_ppc_tail_call_supported (MonoMethodSignature *caller_sig, MonoMethodSignature *callee_sig);
345 mono_ppc_patch (guchar *code, const guchar *target);
348 mono_ppc_throw_exception (MonoObject *exc, unsigned long eip, unsigned long esp, mgreg_t *int_regs, gdouble *fp_regs, gboolean rethrow);
350 #ifdef __mono_ppc64__
351 #define MONO_PPC_32_64_CASE(c32,c64) c64
352 extern void mono_ppc_emitted (guint8 *code, gint64 length, const char *format, ...);
354 #define MONO_PPC_32_64_CASE(c32,c64) c32
357 gboolean mono_ppc_is_direct_call_sequence (guint32 *code);
359 void mono_ppc_patch_plt_entry (guint8 *code, gpointer *got, mgreg_t *regs, guint8 *addr);
361 void mono_ppc_set_func_into_sigctx (void *sigctx, void *func);
364 // Debugging macros for ELF ABI v2
365 #ifdef DEBUG_ELFABIV2
367 #define DEBUG_ELFABIV2_printf(a, ...) \
368 {if (getenv("DEBUG_ELFABIV2")) { printf(a, ##__VA_ARGS__); fflush(stdout); } }
370 #define DEBUG_ELFABIV2_mono_print_ins(a) \
371 {if (getenv("DEBUG_ELFABIV2")) { if (!a) {printf("null\n");} else {mono_print_ins(a);} fflush(stdout); } }
373 extern char* mono_type_full_name (MonoType *type);
375 #define DEBUG_ELFABIV2_mono_print_type(a) \
376 {if (getenv("DEBUG_ELFABIV2")) { printf("%s, size: %d\n", mono_type_get_name(a), mini_type_stack_size (a, 0)); fflush(stdout); } }
378 #define DEBUG_ELFABIV2_mono_print_class(a) \
379 {if (getenv("DEBUG_ELFABIV2")) { printf("%s\n", mono_type_get_name(&a->byval_arg)); fflush(stdout); } }
383 #define DEBUG_ELFABIV2_printf(a, ...)
384 #define DEBUG_ELFABIV2_mono_print_ins(a)
385 #define DEBUG_ELFABIV2_mono_print_type(a)
386 #define DEBUG_ELFABIV2_mono_print_class(a)
390 #endif /* __MONO_MINI_PPC_H__ */