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 ppc64_cpu_desc
13 #define MONO_ARCH_CPU_SPEC 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_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
140 #ifdef __mono_ppc64__
141 #define PPC_RET_ADDR_OFFSET 16
142 #define PPC_STACK_PARAM_OFFSET 48
143 #define PPC_MINIMAL_STACK_SIZE 48
144 #define PPC_MINIMAL_PARAM_AREA_SIZE 64
145 #define PPC_LAST_FPARG_REG ppc_f13
146 #define PPC_PASS_STRUCTS_BY_VALUE 1
147 #define PPC_THREAD_PTR_REG ppc_r13
149 #define PPC_RET_ADDR_OFFSET 4
150 #define PPC_STACK_PARAM_OFFSET 8
151 #define PPC_MINIMAL_STACK_SIZE 8
152 #define PPC_MINIMAL_PARAM_AREA_SIZE 0
153 #define PPC_LAST_FPARG_REG ppc_f8
154 #define PPC_PASS_STRUCTS_BY_VALUE 0
155 #define PPC_THREAD_PTR_REG ppc_r2
157 #define PPC_FIRST_ARG_REG ppc_r3
158 #define PPC_LAST_ARG_REG ppc_r10
159 #define PPC_FIRST_FPARG_REG ppc_f1
162 #define PPC_CALL_REG ppc_r12
164 #if defined(HAVE_WORKING_SIGALTSTACK) && !defined(__APPLE__)
165 #define MONO_ARCH_SIGSEGV_ON_ALTSTACK 1
166 #define MONO_ARCH_SIGNAL_STACK_SIZE (12 * 1024)
167 #endif /* HAVE_WORKING_SIGALTSTACK */
169 #define MONO_ARCH_HAVE_CREATE_DELEGATE_TRAMPOLINE
170 #define MONO_ARCH_IMT_REG ppc_r11
172 #define MONO_ARCH_VTABLE_REG ppc_r11
173 #define MONO_ARCH_RGCTX_REG MONO_ARCH_IMT_REG
175 #define MONO_ARCH_NO_IOV_CHECK 1
176 #define MONO_ARCH_HAVE_DECOMPOSE_OPTS 1
177 #define MONO_ARCH_HAVE_DECOMPOSE_LONG_OPTS 1
179 #define MONO_ARCH_HAVE_GENERALIZED_IMT_THUNK 1
181 #define MONO_ARCH_HAVE_FULL_AOT_TRAMPOLINES 1
183 #define MONO_ARCH_GSHARED_SUPPORTED 1
185 #define MONO_ARCH_NEED_DIV_CHECK 1
186 #define MONO_ARCH_AOT_SUPPORTED 1
187 #define MONO_ARCH_NEED_GOT_VAR 1
188 #if !defined(MONO_CROSS_COMPILE) && !defined(TARGET_PS3)
189 #define MONO_ARCH_SOFT_DEBUG_SUPPORTED 1
191 #define MONO_ARCH_HAVE_OP_TAIL_CALL 1
193 #define PPC_NUM_REG_ARGS (PPC_LAST_ARG_REG-PPC_FIRST_ARG_REG+1)
195 #ifdef MONO_CROSS_COMPILE
199 unsigned long unused1;
203 #define MONO_INIT_CONTEXT_FROM_FUNC(ctx,start_func) g_assert_not_reached ()
205 #elif defined(__APPLE__)
209 unsigned long unused1;
213 #define MONO_INIT_CONTEXT_FROM_FUNC(ctx,start_func) do { \
215 __asm__ volatile("mr %0,r1" : "=r" (r1)); \
216 MONO_CONTEXT_SET_BP ((ctx), r1); \
217 MONO_CONTEXT_SET_IP ((ctx), (start_func)); \
224 #ifdef __mono_ppc64__
230 #ifdef G_COMPILER_CODEWARRIOR
231 #define MONO_INIT_CONTEXT_FROM_FUNC(ctx,start_func) do { \
232 register gpointer r1_var; \
233 asm { mr r1_var, r1 }; \
234 MONO_CONTEXT_SET_BP ((ctx), r1); \
235 MONO_CONTEXT_SET_IP ((ctx), (start_func)); \
239 #define MONO_INIT_CONTEXT_FROM_FUNC(ctx,start_func) do { \
241 __asm__ volatile("mr %0,1" : "=r" (r1)); \
242 MONO_CONTEXT_SET_BP ((ctx), r1); \
243 MONO_CONTEXT_SET_IP ((ctx), (start_func)); \
249 #define MONO_ARCH_INIT_TOP_LMF_ENTRY(lmf) do { (lmf)->ebp = -1; } while (0)
258 #ifdef PPC_USES_FUNCTION_DESCRIPTOR
263 } MonoPPCFunctionDescriptor;
265 #define PPC_FTNPTR_SIZE sizeof (MonoPPCFunctionDescriptor)
266 extern guint8* mono_ppc_create_pre_code_ftnptr (guint8 *code) MONO_INTERNAL;
268 #define PPC_FTNPTR_SIZE 0
269 #define mono_ppc_create_pre_code_ftnptr(c) c
272 #if defined(__linux__)
273 #define MONO_ARCH_USE_SIGACTION 1
274 #elif defined (__APPLE__) && defined (_STRUCT_MCONTEXT)
275 #define MONO_ARCH_USE_SIGACTION 1
276 #elif defined (__APPLE__) && !defined (_STRUCT_MCONTEXT)
277 #define MONO_ARCH_USE_SIGACTION 1
278 #elif defined(__NetBSD__)
279 #define MONO_ARCH_USE_SIGACTION 1
280 #elif defined(__FreeBSD__)
281 #define MONO_ARCH_USE_SIGACTION 1
282 #elif defined(MONO_CROSS_COMPILE)
283 typedef MonoContext ucontext_t;
287 #define UCONTEXT_REG_Rn(ctx, n)
288 #define UCONTEXT_REG_FPRn(ctx, n)
289 #define UCONTEXT_REG_NIP(ctx)
290 #define UCONTEXT_REG_LNK(ctx)
293 /* For other operating systems, we pull the definition from an external file */
294 #include "mini-ppc-os.h"
298 mono_ppc_tail_call_supported (MonoMethodSignature *caller_sig, MonoMethodSignature *callee_sig) MONO_INTERNAL;
301 mono_ppc_patch (guchar *code, const guchar *target) MONO_INTERNAL;
304 mono_ppc_throw_exception (MonoObject *exc, unsigned long eip, unsigned long esp, mgreg_t *int_regs, gdouble *fp_regs, gboolean rethrow) MONO_INTERNAL;
306 #ifdef __mono_ppc64__
307 #define MONO_PPC_32_64_CASE(c32,c64) c64
308 extern void mono_ppc_emitted (guint8 *code, gint64 length, const char *format, ...);
310 #define MONO_PPC_32_64_CASE(c32,c64) c32
313 gboolean mono_ppc_is_direct_call_sequence (guint32 *code) MONO_INTERNAL;
315 void mono_ppc_patch_plt_entry (guint8 *code, gpointer *got, mgreg_t *regs, guint8 *addr) MONO_INTERNAL;
317 void mono_ppc_set_func_into_sigctx (void *sigctx, void *func) MONO_INTERNAL;
319 #endif /* __MONO_MINI_PPC_H__ */