1 #ifndef __MONO_MINI_PPC_H__
2 #define __MONO_MINI_PPC_H__
4 #include <mono/arch/ppc/ppc-codegen.h>
8 #define MONO_ARCH_CPU_SPEC ppc64_cpu_desc
10 #define MONO_ARCH_CPU_SPEC ppcg4
13 #define MONO_MAX_IREGS 32
14 #define MONO_MAX_FREGS 32
16 #define MONO_SAVED_GREGS 19
17 #define MONO_SAVED_FREGS 18
19 #define MONO_ARCH_FRAME_ALIGNMENT 16
21 /* fixme: align to 16byte instead of 32byte (we align to 32byte to get
22 * reproduceable results for benchmarks */
23 #define MONO_ARCH_CODE_ALIGNMENT 32
25 void ppc_patch (guchar *code, const guchar *target);
26 void ppc_patch_full (guchar *code, const guchar *target, gboolean is_fd);
29 gpointer previous_lmf;
34 gulong iregs [MONO_SAVED_GREGS]; /* 13..31 */
35 gdouble fregs [MONO_SAVED_FREGS]; /* 14..31 */
38 /* we define our own structure and we'll copy the data
39 * from sigcontext/ucontext/mach when we need it.
40 * This also makes us save stack space and time when copying
41 * We might also want to add an additional field to propagate
42 * the original context from the signal handler.
47 gulong regs [MONO_SAVED_GREGS];
48 double fregs [MONO_SAVED_FREGS];
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 which needs the size of a pointer needs to use
58 * sizeof (gpointer), while code which needs the size of a register/stack slot
59 * needs to use SIZEOF_REGISTER.
63 #define MONO_ARCH_NO_EMULATE_LONG_SHIFT_OPS
64 #define MONO_ARCH_NO_EMULATE_LONG_MUL_OPTS
65 #define MONO_ARCH_HAVE_ATOMIC_ADD 1
66 #define PPC_USES_FUNCTION_DESCRIPTOR
68 #ifndef __mono_ilp32__
69 #define MONO_ARCH_HAVE_TLS_GET 1
70 #define MONO_ARCH_ENABLE_MONITOR_IL_FASTPATH 1
73 #else /* must be __mono_ppc__ */
76 /* enabling this for PPC32 causes hangs in the thread/delegate tests.
77 So disable for now. */
78 #if defined(__linux__)
79 #define MONO_ARCH_ENABLE_MONITOR_IL_FASTPATH 1
83 #define MONO_ARCH_HAVE_TLS_GET 1
84 #define MONO_ARCH_EMULATE_FCONV_TO_I8 1
85 #define MONO_ARCH_EMULATE_LCONV_TO_R8 1
86 #define MONO_ARCH_EMULATE_LCONV_TO_R4 1
89 #define MONO_ARCH_EMULATE_LCONV_TO_R8_UN 1
90 #define MONO_ARCH_EMULATE_FREM 1
91 #define MONO_ARCH_BIGMUL_INTRINS 1
92 #define MONO_ARCH_HAVE_ATOMIC_CAS 1
94 /* Parameters used by the register allocator */
95 #define MONO_ARCH_CALLEE_REGS ((0xff << ppc_r3) | (1 << ppc_r11) | (1 << ppc_r12))
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_FIRST_ARG_REG ppc_r3
132 #define PPC_LAST_ARG_REG ppc_r10
133 #define PPC_FIRST_FPARG_REG ppc_f1
134 #define PPC_LAST_FPARG_REG ppc_f13
135 #define PPC_PASS_STRUCTS_BY_VALUE 1
138 #ifdef __mono_ppc64__
139 #define PPC_RET_ADDR_OFFSET 16
140 #define PPC_STACK_PARAM_OFFSET 48
141 #define PPC_MINIMAL_STACK_SIZE 48
142 #define PPC_MINIMAL_PARAM_AREA_SIZE 64
143 #define PPC_LAST_FPARG_REG ppc_f13
144 #define PPC_PASS_STRUCTS_BY_VALUE 1
145 #define PPC_SMALL_RET_STRUCT_IN_REG 0
146 #define PPC_THREAD_PTR_REG ppc_r13
148 #define PPC_RET_ADDR_OFFSET 4
149 #define PPC_STACK_PARAM_OFFSET 8
150 #define PPC_MINIMAL_STACK_SIZE 8
151 #define PPC_MINIMAL_PARAM_AREA_SIZE 0
152 #define PPC_LAST_FPARG_REG ppc_f8
153 #define PPC_PASS_STRUCTS_BY_VALUE 0
154 #define PPC_SMALL_RET_STRUCT_IN_REG 1
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 #if defined(HAVE_WORKING_SIGALTSTACK) && !defined(__APPLE__)
163 #define MONO_ARCH_SIGSEGV_ON_ALTSTACK 1
164 #define MONO_ARCH_SIGNAL_STACK_SIZE (12 * 1024)
165 #endif /* HAVE_WORKING_SIGALTSTACK */
167 #define MONO_ARCH_HAVE_CREATE_DELEGATE_TRAMPOLINE
168 #define MONO_ARCH_HAVE_IMT 1
169 #define MONO_ARCH_IMT_REG ppc_r12
171 #define MONO_ARCH_VTABLE_REG ppc_r12
172 #define MONO_ARCH_RGCTX_REG ppc_r12
174 #define MONO_ARCH_NO_IOV_CHECK 1
175 #define MONO_ARCH_HAVE_DECOMPOSE_OPTS 1
176 #define MONO_ARCH_HAVE_DECOMPOSE_LONG_OPTS 1
178 #define MONO_ARCH_HAVE_GENERALIZED_IMT_THUNK 1
179 #define MONO_ARCH_HAVE_THROW_CORLIB_EXCEPTION 1
181 #define MONO_ARCH_HAVE_STATIC_RGCTX_TRAMPOLINE 1
182 #define MONO_ARCH_HAVE_FULL_AOT_TRAMPOLINES 1
184 #define MONO_ARCH_GSHARED_SUPPORTED 1
186 #define MONO_ARCH_NEED_DIV_CHECK 1
187 #define MONO_ARCH_AOT_SUPPORTED 1
188 #define MONO_ARCH_NEED_GOT_VAR 1
190 #define PPC_NUM_REG_ARGS (PPC_LAST_ARG_REG-PPC_FIRST_ARG_REG+1)
191 #define PPC_NUM_REG_FPARGS (PPC_LAST_FPARG_REG-PPC_FIRST_FPARG_REG+1)
193 /* we have the stack pointer, not the base pointer in sigcontext */
194 #define MONO_CONTEXT_SET_IP(ctx,ip) do { (ctx)->sc_ir = (gulong)ip; } while (0);
195 /* FIXME: should be called SET_SP */
196 #define MONO_CONTEXT_SET_BP(ctx,bp) do { (ctx)->sc_sp = (gulong)bp; } while (0);
198 #define MONO_CONTEXT_GET_IP(ctx) ((gpointer)((ctx)->sc_ir))
199 #define MONO_CONTEXT_GET_BP(ctx) ((gpointer)((ctx)->regs [ppc_r31-13]))
200 #define MONO_CONTEXT_GET_SP(ctx) ((gpointer)((ctx)->sc_sp))
202 #ifdef MONO_CROSS_COMPILE
206 unsigned long unused1;
210 #define MONO_INIT_CONTEXT_FROM_FUNC(ctx,start_func) g_assert_not_reached ()
212 #elif defined(__APPLE__)
216 unsigned long unused1;
220 #define MONO_INIT_CONTEXT_FROM_FUNC(ctx,start_func) do { \
222 __asm__ volatile("mr %0,r1" : "=r" (r1)); \
223 MONO_CONTEXT_SET_BP ((ctx), r1); \
224 MONO_CONTEXT_SET_IP ((ctx), (start_func)); \
231 #ifdef __mono_ppc64__
237 #ifdef G_COMPILER_CODEWARRIOR
238 #define MONO_INIT_CONTEXT_FROM_FUNC(ctx,start_func) do { \
239 register gpointer r1_var; \
240 asm { mr r1_var, r1 }; \
241 MONO_CONTEXT_SET_BP ((ctx), r1); \
242 MONO_CONTEXT_SET_IP ((ctx), (start_func)); \
246 #define MONO_INIT_CONTEXT_FROM_FUNC(ctx,start_func) do { \
248 __asm__ volatile("mr %0,1" : "=r" (r1)); \
249 MONO_CONTEXT_SET_BP ((ctx), r1); \
250 MONO_CONTEXT_SET_IP ((ctx), (start_func)); \
263 #ifdef PPC_USES_FUNCTION_DESCRIPTOR
268 } MonoPPCFunctionDescriptor;
270 #define PPC_FTNPTR_SIZE sizeof (MonoPPCFunctionDescriptor)
271 extern guint8* mono_ppc_create_pre_code_ftnptr (guint8 *code) MONO_INTERNAL;
273 #define PPC_FTNPTR_SIZE 0
274 #define mono_ppc_create_pre_code_ftnptr(c) c
277 #if defined(__linux__)
278 typedef struct ucontext os_ucontext;
280 #define MONO_ARCH_USE_SIGACTION 1
282 #ifdef __mono_ppc64__
283 #define UCONTEXT_REG_Rn(ctx, n) ((ctx)->uc_mcontext.gp_regs [(n)])
284 #define UCONTEXT_REG_FPRn(ctx, n) ((ctx)->uc_mcontext.fp_regs [(n)])
285 #define UCONTEXT_REG_NIP(ctx) ((ctx)->uc_mcontext.gp_regs [PT_NIP])
286 #define UCONTEXT_REG_LNK(ctx) ((ctx)->uc_mcontext.gp_regs [PT_LNK])
288 #define UCONTEXT_REG_Rn(ctx, n) ((ctx)->uc_mcontext.uc_regs->gregs [(n)])
289 #define UCONTEXT_REG_FPRn(ctx, n) ((ctx)->uc_mcontext.uc_regs->fpregs.fpregs [(n)])
290 #define UCONTEXT_REG_NIP(ctx) ((ctx)->uc_mcontext.uc_regs->gregs [PT_NIP])
291 #define UCONTEXT_REG_LNK(ctx) ((ctx)->uc_mcontext.uc_regs->gregs [PT_LNK])
293 #elif defined (__APPLE__) && defined (_STRUCT_MCONTEXT)
294 #define MONO_ARCH_USE_SIGACTION 1
295 typedef struct __darwin_ucontext os_ucontext;
297 #define UCONTEXT_REG_Rn(ctx, n) ((&(ctx)->uc_mcontext->__ss.__r0) [(n)])
298 #define UCONTEXT_REG_FPRn(ctx, n) ((ctx)->uc_mcontext->__fs.__fpregs [(n)])
299 #define UCONTEXT_REG_NIP(ctx) ((ctx)->uc_mcontext->__ss.__srr0)
300 #define UCONTEXT_REG_LNK(ctx) ((ctx)->uc_mcontext->__ss.__lr)
301 #elif defined (__APPLE__) && !defined (_STRUCT_MCONTEXT)
302 #define MONO_ARCH_USE_SIGACTION 1
303 typedef struct ucontext os_ucontext;
305 #define UCONTEXT_REG_Rn(ctx, n) ((&(ctx)->uc_mcontext->ss.r0) [(n)])
306 #define UCONTEXT_REG_FPRn(ctx, n) ((ctx)->uc_mcontext->fs.fpregs [(n)])
307 #define UCONTEXT_REG_NIP(ctx) ((ctx)->uc_mcontext->ss.srr0)
308 #define UCONTEXT_REG_LNK(ctx) ((ctx)->uc_mcontext->ss.lr)
309 #elif defined(__NetBSD__)
310 #define MONO_ARCH_USE_SIGACTION 1
311 typedef ucontext_t os_ucontext;
313 #define UCONTEXT_REG_Rn(ctx, n) ((ctx)->uc_mcontext.__gregs [(n)])
314 #define UCONTEXT_REG_FPRn(ctx, n) ((ctx)->uc_mcontext.__fpregs.__fpu_regs [(n)])
315 #define UCONTEXT_REG_NIP(ctx) _UC_MACHINE_PC(ctx)
316 #define UCONTEXT_REG_LNK(ctx) ((ctx)->uc_mcontext.__gregs [_REG_LR])
318 /* For other operating systems, we pull the definition from an external file */
319 #include "mini-ppc-os.h"
323 mono_ppc_patch (guchar *code, const guchar *target) MONO_INTERNAL;
326 mono_ppc_throw_exception (MonoObject *exc, unsigned long eip, unsigned long esp, gulong *int_regs, gdouble *fp_regs, gboolean rethrow) MONO_INTERNAL;
328 #ifdef __mono_ppc64__
329 #define MONO_PPC_32_64_CASE(c32,c64) c64
330 extern void mono_ppc_emitted (guint8 *code, ssize_t length, const char *format, ...);
332 #define MONO_PPC_32_64_CASE(c32,c64) c32
335 gboolean mono_ppc_is_direct_call_sequence (guint32 *code) MONO_INTERNAL;
337 void mono_ppc_patch_plt_entry (guint8 *code, gpointer *got, mgreg_t *regs, guint8 *addr) MONO_INTERNAL;
339 #endif /* __MONO_MINI_PPC_H__ */