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>
10 #define MONO_ARCH_CPU_SPEC ppc64_cpu_desc
12 #define MONO_ARCH_CPU_SPEC ppcg4
15 #define MONO_MAX_IREGS 32
16 #define MONO_MAX_FREGS 32
18 #define MONO_SAVED_GREGS 19
19 #define MONO_SAVED_FREGS 18
21 #define MONO_ARCH_FRAME_ALIGNMENT 16
23 /* fixme: align to 16byte instead of 32byte (we align to 32byte to get
24 * reproduceable results for benchmarks */
25 #define MONO_ARCH_CODE_ALIGNMENT 32
27 void ppc_patch (guchar *code, const guchar *target);
28 void ppc_patch_full (guchar *code, const guchar *target, gboolean is_fd);
32 * If the second lowest bit is set to 1, then this is a MonoLMFExt structure, and
33 * the other fields are not valid.
35 gpointer previous_lmf;
40 /* Add a dummy field to force iregs to be aligned when cross compiling from x86 */
42 mgreg_t iregs [MONO_SAVED_GREGS]; /* 13..31 */
43 gdouble fregs [MONO_SAVED_FREGS]; /* 14..31 */
47 typedef struct MonoCompileArch {
48 int fp_conv_var_offset;
52 * ILP32 uses a version of the ppc64 abi with sizeof(void*)==sizeof(long)==4.
53 * To support this, code needs to follow the following conventions:
54 * - for the size of a pointer use sizeof (gpointer)
55 * - for the size of a register/stack slot use SIZEOF_REGISTER.
56 * - for variables which contain values of registers, use mgreg_t.
57 * - for loading/saving pointers/ints, use the normal ppc_load_reg/ppc_save_reg ()
59 * - for loading/saving register sized quantities, use the ppc_ldr/ppc_str
61 * - make sure to not mix the two kinds of macros for the same memory location,
62 * since ppc is big endian, so a 8 byte store followed by a 4 byte load will
63 * load the upper 32 bit of the value.
64 * - use OP_LOADR_MEMBASE/OP_STORER_MEMBASE to load/store register sized
69 #define MONO_ARCH_NO_EMULATE_LONG_SHIFT_OPS
70 #define MONO_ARCH_NO_EMULATE_LONG_MUL_OPTS
71 #define PPC_USES_FUNCTION_DESCRIPTOR
73 #ifndef __mono_ilp32__
74 #define MONO_ARCH_HAVE_TLS_GET 1
75 #define MONO_ARCH_ENABLE_MONITOR_IL_FASTPATH 1
78 #else /* must be __mono_ppc__ */
81 /* enabling this for PPC32 causes hangs in the thread/delegate tests.
82 So disable for now. */
83 #if defined(__linux__)
84 #define MONO_ARCH_ENABLE_MONITOR_IL_FASTPATH 1
88 #define MONO_ARCH_HAVE_TLS_GET 1
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_BIGMUL_INTRINS 1
98 /* Parameters used by the register allocator */
99 #define MONO_ARCH_CALLEE_REGS ((0xff << ppc_r3) | (1 << ppc_r11) | (1 << ppc_r12))
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_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
142 #ifdef __mono_ppc64__
143 #define PPC_RET_ADDR_OFFSET 16
144 #define PPC_STACK_PARAM_OFFSET 48
145 #define PPC_MINIMAL_STACK_SIZE 48
146 #define PPC_MINIMAL_PARAM_AREA_SIZE 64
147 #define PPC_LAST_FPARG_REG ppc_f13
148 #define PPC_PASS_STRUCTS_BY_VALUE 1
149 #define PPC_SMALL_RET_STRUCT_IN_REG 0
150 #define PPC_THREAD_PTR_REG ppc_r13
152 #define PPC_RET_ADDR_OFFSET 4
153 #define PPC_STACK_PARAM_OFFSET 8
154 #define PPC_MINIMAL_STACK_SIZE 8
155 #define PPC_MINIMAL_PARAM_AREA_SIZE 0
156 #define PPC_LAST_FPARG_REG ppc_f8
157 #define PPC_PASS_STRUCTS_BY_VALUE 0
158 #define PPC_SMALL_RET_STRUCT_IN_REG 1
159 #define PPC_THREAD_PTR_REG ppc_r2
161 #define PPC_FIRST_ARG_REG ppc_r3
162 #define PPC_LAST_ARG_REG ppc_r10
163 #define PPC_FIRST_FPARG_REG ppc_f1
166 #if defined(HAVE_WORKING_SIGALTSTACK) && !defined(__APPLE__)
167 #define MONO_ARCH_SIGSEGV_ON_ALTSTACK 1
168 #define MONO_ARCH_SIGNAL_STACK_SIZE (12 * 1024)
169 #endif /* HAVE_WORKING_SIGALTSTACK */
171 #define MONO_ARCH_HAVE_CREATE_DELEGATE_TRAMPOLINE
172 #define MONO_ARCH_HAVE_IMT 1
173 #define MONO_ARCH_IMT_REG ppc_r12
175 #define MONO_ARCH_VTABLE_REG ppc_r12
176 #define MONO_ARCH_RGCTX_REG MONO_ARCH_IMT_REG
178 #define MONO_ARCH_NO_IOV_CHECK 1
179 #define MONO_ARCH_HAVE_DECOMPOSE_OPTS 1
180 #define MONO_ARCH_HAVE_DECOMPOSE_LONG_OPTS 1
182 #define MONO_ARCH_HAVE_GENERALIZED_IMT_THUNK 1
184 #define MONO_ARCH_HAVE_FULL_AOT_TRAMPOLINES 1
185 #define MONO_ARCH_HAVE_XP_UNWIND 1
187 #define MONO_ARCH_GSHARED_SUPPORTED 1
189 #define MONO_ARCH_NEED_DIV_CHECK 1
190 #define MONO_ARCH_AOT_SUPPORTED 1
191 #define MONO_ARCH_NEED_GOT_VAR 1
192 #if !defined(MONO_CROSS_COMPILE) && !defined(TARGET_PS3)
193 #define MONO_ARCH_SOFT_DEBUG_SUPPORTED 1
195 #define MONO_ARCH_THIS_AS_FIRST_ARG 1
196 #define MONO_ARCH_HAVE_OP_TAIL_CALL 1
198 #define PPC_NUM_REG_ARGS (PPC_LAST_ARG_REG-PPC_FIRST_ARG_REG+1)
199 #define PPC_NUM_REG_FPARGS (PPC_LAST_FPARG_REG-PPC_FIRST_FPARG_REG+1)
201 #ifdef MONO_CROSS_COMPILE
205 unsigned long unused1;
209 #define MONO_INIT_CONTEXT_FROM_FUNC(ctx,start_func) g_assert_not_reached ()
211 #elif defined(__APPLE__)
215 unsigned long unused1;
219 #define MONO_INIT_CONTEXT_FROM_FUNC(ctx,start_func) do { \
221 __asm__ volatile("mr %0,r1" : "=r" (r1)); \
222 MONO_CONTEXT_SET_BP ((ctx), r1); \
223 MONO_CONTEXT_SET_IP ((ctx), (start_func)); \
230 #ifdef __mono_ppc64__
236 #ifdef G_COMPILER_CODEWARRIOR
237 #define MONO_INIT_CONTEXT_FROM_FUNC(ctx,start_func) do { \
238 register gpointer r1_var; \
239 asm { mr r1_var, r1 }; \
240 MONO_CONTEXT_SET_BP ((ctx), r1); \
241 MONO_CONTEXT_SET_IP ((ctx), (start_func)); \
245 #define MONO_INIT_CONTEXT_FROM_FUNC(ctx,start_func) do { \
247 __asm__ volatile("mr %0,1" : "=r" (r1)); \
248 MONO_CONTEXT_SET_BP ((ctx), r1); \
249 MONO_CONTEXT_SET_IP ((ctx), (start_func)); \
255 #define MONO_ARCH_INIT_TOP_LMF_ENTRY(lmf) do { (lmf)->ebp = -1; } while (0)
264 #ifdef PPC_USES_FUNCTION_DESCRIPTOR
269 } MonoPPCFunctionDescriptor;
271 #define PPC_FTNPTR_SIZE sizeof (MonoPPCFunctionDescriptor)
272 extern guint8* mono_ppc_create_pre_code_ftnptr (guint8 *code) MONO_INTERNAL;
274 #define PPC_FTNPTR_SIZE 0
275 #define mono_ppc_create_pre_code_ftnptr(c) c
278 #if defined(__linux__)
279 #define MONO_ARCH_USE_SIGACTION 1
280 #elif defined (__APPLE__) && defined (_STRUCT_MCONTEXT)
281 #define MONO_ARCH_USE_SIGACTION 1
282 #elif defined (__APPLE__) && !defined (_STRUCT_MCONTEXT)
283 #define MONO_ARCH_USE_SIGACTION 1
284 #elif defined(__NetBSD__)
285 #define MONO_ARCH_USE_SIGACTION 1
286 #elif defined(__FreeBSD__)
287 #define MONO_ARCH_USE_SIGACTION 1
288 #elif defined(MONO_CROSS_COMPILE)
289 typedef MonoContext ucontext_t;
293 #define UCONTEXT_REG_Rn(ctx, n)
294 #define UCONTEXT_REG_FPRn(ctx, n)
295 #define UCONTEXT_REG_NIP(ctx)
296 #define UCONTEXT_REG_LNK(ctx)
299 /* For other operating systems, we pull the definition from an external file */
300 #include "mini-ppc-os.h"
304 mono_ppc_tail_call_supported (MonoMethodSignature *caller_sig, MonoMethodSignature *callee_sig) MONO_INTERNAL;
307 mono_ppc_patch (guchar *code, const guchar *target) MONO_INTERNAL;
310 mono_ppc_throw_exception (MonoObject *exc, unsigned long eip, unsigned long esp, mgreg_t *int_regs, gdouble *fp_regs, gboolean rethrow) MONO_INTERNAL;
312 #ifdef __mono_ppc64__
313 #define MONO_PPC_32_64_CASE(c32,c64) c64
314 extern void mono_ppc_emitted (guint8 *code, gint64 length, const char *format, ...);
316 #define MONO_PPC_32_64_CASE(c32,c64) c32
319 gboolean mono_ppc_is_direct_call_sequence (guint32 *code) MONO_INTERNAL;
321 void mono_ppc_patch_plt_entry (guint8 *code, gpointer *got, mgreg_t *regs, guint8 *addr) MONO_INTERNAL;
323 void mono_ppc_set_func_into_sigctx (void *sigctx, void *func) MONO_INTERNAL;
325 #endif /* __MONO_MINI_PPC_H__ */