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>
9 #define MONO_ARCH_CPU_SPEC ppc64_cpu_desc
11 #define MONO_ARCH_CPU_SPEC ppcg4
14 #define MONO_MAX_IREGS 32
15 #define MONO_MAX_FREGS 32
17 #define MONO_SAVED_GREGS 19
18 #define MONO_SAVED_FREGS 18
20 #define MONO_ARCH_FRAME_ALIGNMENT 16
22 /* fixme: align to 16byte instead of 32byte (we align to 32byte to get
23 * reproduceable results for benchmarks */
24 #define MONO_ARCH_CODE_ALIGNMENT 32
26 void ppc_patch (guchar *code, const guchar *target);
27 void ppc_patch_full (guchar *code, const guchar *target, gboolean is_fd);
30 gpointer previous_lmf;
35 gulong iregs [MONO_SAVED_GREGS]; /* 13..31 */
36 gdouble fregs [MONO_SAVED_FREGS]; /* 14..31 */
39 /* we define our own structure and we'll copy the data
40 * from sigcontext/ucontext/mach when we need it.
41 * This also makes us save stack space and time when copying
42 * We might also want to add an additional field to propagate
43 * the original context from the signal handler.
48 gulong regs [MONO_SAVED_GREGS];
49 double fregs [MONO_SAVED_FREGS];
52 typedef struct MonoCompileArch {
53 int fp_conv_var_offset;
57 * ILP32 uses a version of the ppc64 abi with sizeof(void*)==sizeof(long)==4.
58 * To support this, code which needs the size of a pointer needs to use
59 * sizeof (gpointer), while code which needs the size of a register/stack slot
60 * needs to use SIZEOF_REGISTER.
64 #define MONO_ARCH_NO_EMULATE_LONG_SHIFT_OPS
65 #define MONO_ARCH_NO_EMULATE_LONG_MUL_OPTS
66 #define MONO_ARCH_HAVE_ATOMIC_ADD 1
67 #define PPC_USES_FUNCTION_DESCRIPTOR
69 #ifndef __mono_ilp32__
70 #define MONO_ARCH_HAVE_TLS_GET 1
71 #define MONO_ARCH_ENABLE_MONITOR_IL_FASTPATH 1
74 #else /* must be __mono_ppc__ */
77 /* enabling this for PPC32 causes hangs in the thread/delegate tests.
78 So disable for now. */
79 #if defined(__linux__)
80 #define MONO_ARCH_ENABLE_MONITOR_IL_FASTPATH 1
84 #define MONO_ARCH_HAVE_TLS_GET 1
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_BIGMUL_INTRINS 1
93 #define MONO_ARCH_HAVE_ATOMIC_CAS 1
95 /* Parameters used by the register allocator */
96 #define MONO_ARCH_CALLEE_REGS ((0xff << ppc_r3) | (1 << ppc_r11) | (1 << ppc_r12))
97 #define MONO_ARCH_CALLEE_SAVED_REGS (0xfffff << ppc_r13) /* ppc_13 - ppc_31 */
99 #if defined(__APPLE__) || defined(__mono_ppc64__)
100 #define MONO_ARCH_CALLEE_FREGS (0x1fff << ppc_f1)
102 #define MONO_ARCH_CALLEE_FREGS (0xff << ppc_f1)
104 #define MONO_ARCH_CALLEE_SAVED_FREGS (~(MONO_ARCH_CALLEE_FREGS | 1))
106 #define MONO_ARCH_USE_FPSTACK FALSE
107 #define MONO_ARCH_FPSTACK_SIZE 0
109 #ifdef __mono_ppc64__
110 #define MONO_ARCH_INST_FIXED_REG(desc) (((desc) == 'a')? ppc_r3:\
111 ((desc) == 'g'? ppc_f1:-1))
112 #define MONO_ARCH_INST_IS_REGPAIR(desc) FALSE
113 #define MONO_ARCH_INST_REGPAIR_REG2(desc,hreg1) (-1)
115 #define MONO_ARCH_INST_FIXED_REG(desc) (((desc) == 'a')? ppc_r3:\
116 ((desc) == 'l')? ppc_r4:\
117 ((desc) == 'g'? ppc_f1:-1))
118 #define MONO_ARCH_INST_IS_REGPAIR(desc) (desc == 'l')
119 #define MONO_ARCH_INST_REGPAIR_REG2(desc,hreg1) (desc == 'l' ? ppc_r3 : -1)
122 #define MONO_ARCH_INST_SREG2_MASK(ins) (0)
124 #define MONO_ARCH_INST_IS_FLOAT(desc) ((desc == 'f') || (desc == 'g'))
126 /* deal with some of the ABI differences here */
128 #define PPC_RET_ADDR_OFFSET 8
129 #define PPC_STACK_PARAM_OFFSET 24
130 #define PPC_MINIMAL_STACK_SIZE 24
131 #define PPC_MINIMAL_PARAM_AREA_SIZE 0
132 #define PPC_FIRST_ARG_REG ppc_r3
133 #define PPC_LAST_ARG_REG ppc_r10
134 #define PPC_FIRST_FPARG_REG ppc_f1
135 #define PPC_LAST_FPARG_REG ppc_f13
136 #define PPC_PASS_STRUCTS_BY_VALUE 1
139 #ifdef __mono_ppc64__
140 #define PPC_RET_ADDR_OFFSET 16
141 #define PPC_STACK_PARAM_OFFSET 48
142 #define PPC_MINIMAL_STACK_SIZE 48
143 #define PPC_MINIMAL_PARAM_AREA_SIZE 64
144 #define PPC_LAST_FPARG_REG ppc_f13
145 #define PPC_PASS_STRUCTS_BY_VALUE 1
146 #define PPC_SMALL_RET_STRUCT_IN_REG 0
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_SMALL_RET_STRUCT_IN_REG 1
156 #define PPC_THREAD_PTR_REG ppc_r2
158 #define PPC_FIRST_ARG_REG ppc_r3
159 #define PPC_LAST_ARG_REG ppc_r10
160 #define PPC_FIRST_FPARG_REG ppc_f1
163 #if defined(HAVE_WORKING_SIGALTSTACK) && !defined(__APPLE__)
164 #define MONO_ARCH_SIGSEGV_ON_ALTSTACK 1
165 #define MONO_ARCH_SIGNAL_STACK_SIZE (12 * 1024)
166 #endif /* HAVE_WORKING_SIGALTSTACK */
168 #define MONO_ARCH_HAVE_CREATE_DELEGATE_TRAMPOLINE
169 #define MONO_ARCH_HAVE_IMT 1
170 #define MONO_ARCH_IMT_REG ppc_r12
172 #define MONO_ARCH_VTABLE_REG ppc_r12
173 #define MONO_ARCH_RGCTX_REG ppc_r12
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
180 #define MONO_ARCH_HAVE_THROW_CORLIB_EXCEPTION 1
182 #define MONO_ARCH_HAVE_STATIC_RGCTX_TRAMPOLINE 1
183 #define MONO_ARCH_HAVE_FULL_AOT_TRAMPOLINES 1
185 #define MONO_ARCH_GSHARED_SUPPORTED 1
187 #define MONO_ARCH_NEED_DIV_CHECK 1
188 #define MONO_ARCH_AOT_SUPPORTED 1
189 #define MONO_ARCH_NEED_GOT_VAR 1
191 #define PPC_NUM_REG_ARGS (PPC_LAST_ARG_REG-PPC_FIRST_ARG_REG+1)
192 #define PPC_NUM_REG_FPARGS (PPC_LAST_FPARG_REG-PPC_FIRST_FPARG_REG+1)
194 /* we have the stack pointer, not the base pointer in sigcontext */
195 #define MONO_CONTEXT_SET_IP(ctx,ip) do { (ctx)->sc_ir = (gulong)ip; } while (0);
196 /* FIXME: should be called SET_SP */
197 #define MONO_CONTEXT_SET_BP(ctx,bp) do { (ctx)->sc_sp = (gulong)bp; } while (0);
199 #define MONO_CONTEXT_GET_IP(ctx) ((gpointer)((ctx)->sc_ir))
200 #define MONO_CONTEXT_GET_BP(ctx) ((gpointer)((ctx)->regs [ppc_r31-13]))
201 #define MONO_CONTEXT_GET_SP(ctx) ((gpointer)((ctx)->sc_sp))
203 #ifdef MONO_CROSS_COMPILE
207 unsigned long unused1;
211 #define MONO_INIT_CONTEXT_FROM_FUNC(ctx,start_func) g_assert_not_reached ()
213 #elif defined(__APPLE__)
217 unsigned long unused1;
221 #define MONO_INIT_CONTEXT_FROM_FUNC(ctx,start_func) do { \
223 __asm__ volatile("mr %0,r1" : "=r" (r1)); \
224 MONO_CONTEXT_SET_BP ((ctx), r1); \
225 MONO_CONTEXT_SET_IP ((ctx), (start_func)); \
232 #ifdef __mono_ppc64__
238 #ifdef G_COMPILER_CODEWARRIOR
239 #define MONO_INIT_CONTEXT_FROM_FUNC(ctx,start_func) do { \
240 register gpointer r1_var; \
241 asm { mr r1_var, r1 }; \
242 MONO_CONTEXT_SET_BP ((ctx), r1); \
243 MONO_CONTEXT_SET_IP ((ctx), (start_func)); \
247 #define MONO_INIT_CONTEXT_FROM_FUNC(ctx,start_func) do { \
249 __asm__ volatile("mr %0,1" : "=r" (r1)); \
250 MONO_CONTEXT_SET_BP ((ctx), r1); \
251 MONO_CONTEXT_SET_IP ((ctx), (start_func)); \
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
287 /* For other operating systems, we pull the definition from an external file */
288 #include "mini-ppc-os.h"
292 mono_ppc_patch (guchar *code, const guchar *target) MONO_INTERNAL;
295 mono_ppc_throw_exception (MonoObject *exc, unsigned long eip, unsigned long esp, gulong *int_regs, gdouble *fp_regs, gboolean rethrow) MONO_INTERNAL;
297 #ifdef __mono_ppc64__
298 #define MONO_PPC_32_64_CASE(c32,c64) c64
299 extern void mono_ppc_emitted (guint8 *code, ssize_t length, const char *format, ...);
301 #define MONO_PPC_32_64_CASE(c32,c64) c32
304 gboolean mono_ppc_is_direct_call_sequence (guint32 *code) MONO_INTERNAL;
306 void mono_ppc_patch_plt_entry (guint8 *code, gpointer *got, mgreg_t *regs, guint8 *addr) MONO_INTERNAL;
308 #endif /* __MONO_MINI_PPC_H__ */