#define __MONO_MINI_PPC_H__
#include <mono/arch/ppc/ppc-codegen.h>
+#include <mono/utils/mono-sigcontext.h>
+#include <mono/utils/mono-context.h>
#include <glib.h>
+#ifdef __mono_ppc64__
+#define MONO_ARCH_CPU_SPEC ppc64_cpu_desc
+#else
#define MONO_ARCH_CPU_SPEC ppcg4
+#endif
#define MONO_MAX_IREGS 32
#define MONO_MAX_FREGS 32
#define MONO_SAVED_GREGS 19
#define MONO_SAVED_FREGS 18
-#define MONO_ARCH_FRAME_ALIGNMENT 4
+#define MONO_ARCH_FRAME_ALIGNMENT 16
/* fixme: align to 16byte instead of 32byte (we align to 32byte to get
* reproduceable results for benchmarks */
#define MONO_ARCH_CODE_ALIGNMENT 32
void ppc_patch (guchar *code, const guchar *target);
+void ppc_patch_full (guchar *code, const guchar *target, gboolean is_fd);
struct MonoLMF {
+ /*
+ * If the second lowest bit is set to 1, then this is a MonoLMFExt structure, and
+ * the other fields are not valid.
+ */
gpointer previous_lmf;
gpointer lmf_addr;
MonoMethod *method;
gulong ebp;
gulong eip;
- gulong iregs [MONO_SAVED_GREGS]; /* 13..31 */
+ /* Add a dummy field to force iregs to be aligned when cross compiling from x86 */
+ gulong dummy;
+ mgreg_t iregs [MONO_SAVED_GREGS]; /* 13..31 */
gdouble fregs [MONO_SAVED_FREGS]; /* 14..31 */
};
-/* we define our own structure and we'll copy the data
- * from sigcontext/ucontext/mach when we need it.
- * This also makes us save stack space and time when copying
- * We might also want to add an additional field to propagate
- * the original context from the signal handler.
- */
-typedef struct {
- gulong sc_ir; // pc
- gulong sc_sp; // r1
- gulong regs [MONO_SAVED_GREGS];
- double fregs [MONO_SAVED_FREGS];
-} MonoContext;
typedef struct MonoCompileArch {
+ int fp_conv_var_offset;
} MonoCompileArch;
+/*
+ * ILP32 uses a version of the ppc64 abi with sizeof(void*)==sizeof(long)==4.
+ * To support this, code needs to follow the following conventions:
+ * - for the size of a pointer use sizeof (gpointer)
+ * - for the size of a register/stack slot use SIZEOF_REGISTER.
+ * - for variables which contain values of registers, use mgreg_t.
+ * - for loading/saving pointers/ints, use the normal ppc_load_reg/ppc_save_reg ()
+ * macros.
+ * - for loading/saving register sized quantities, use the ppc_ldr/ppc_str
+ * macros.
+ * - make sure to not mix the two kinds of macros for the same memory location,
+ * since ppc is big endian, so a 8 byte store followed by a 4 byte load will
+ * load the upper 32 bit of the value.
+ * - use OP_LOADR_MEMBASE/OP_STORER_MEMBASE to load/store register sized
+ * quantities.
+ */
+
+#ifdef __mono_ppc64__
+#define MONO_ARCH_NO_EMULATE_LONG_SHIFT_OPS
+#define MONO_ARCH_NO_EMULATE_LONG_MUL_OPTS
+#define PPC_USES_FUNCTION_DESCRIPTOR
+
+#ifndef __mono_ilp32__
+#define MONO_ARCH_HAVE_TLS_GET 1
+#define MONO_ARCH_ENABLE_MONITOR_IL_FASTPATH 1
+#endif
+
+#else /* must be __mono_ppc__ */
+
+#if 0
+/* enabling this for PPC32 causes hangs in the thread/delegate tests.
+ So disable for now. */
+#if defined(__linux__)
+#define MONO_ARCH_ENABLE_MONITOR_IL_FASTPATH 1
+#endif
+#endif
+
+#define MONO_ARCH_HAVE_TLS_GET 1
#define MONO_ARCH_EMULATE_FCONV_TO_I8 1
#define MONO_ARCH_EMULATE_LCONV_TO_R8 1
#define MONO_ARCH_EMULATE_LCONV_TO_R4 1
+#endif
+
#define MONO_ARCH_EMULATE_LCONV_TO_R8_UN 1
#define MONO_ARCH_EMULATE_FREM 1
#define MONO_ARCH_BIGMUL_INTRINS 1
-//#define MONO_ARCH_ENABLE_EMIT_STATE_OPT 1
/* Parameters used by the register allocator */
#define MONO_ARCH_CALLEE_REGS ((0xff << ppc_r3) | (1 << ppc_r11) | (1 << ppc_r12))
#define MONO_ARCH_CALLEE_SAVED_REGS (0xfffff << ppc_r13) /* ppc_13 - ppc_31 */
-#ifdef __APPLE__
+#if defined(__APPLE__) || defined(__mono_ppc64__)
#define MONO_ARCH_CALLEE_FREGS (0x1fff << ppc_f1)
#else
#define MONO_ARCH_CALLEE_FREGS (0xff << ppc_f1)
#define MONO_ARCH_USE_FPSTACK FALSE
#define MONO_ARCH_FPSTACK_SIZE 0
+#ifdef __mono_ppc64__
+#define MONO_ARCH_INST_FIXED_REG(desc) (((desc) == 'a')? ppc_r3:\
+ ((desc) == 'g'? ppc_f1:-1))
+#define MONO_ARCH_INST_IS_REGPAIR(desc) FALSE
+#define MONO_ARCH_INST_REGPAIR_REG2(desc,hreg1) (-1)
+#else
#define MONO_ARCH_INST_FIXED_REG(desc) (((desc) == 'a')? ppc_r3:\
((desc) == 'l')? ppc_r4:\
((desc) == 'g'? ppc_f1:-1))
-#define MONO_ARCH_INST_SREG2_MASK(ins) (0)
-
#define MONO_ARCH_INST_IS_REGPAIR(desc) (desc == 'l')
#define MONO_ARCH_INST_REGPAIR_REG2(desc,hreg1) (desc == 'l' ? ppc_r3 : -1)
+#endif
+
+#define MONO_ARCH_INST_SREG2_MASK(ins) (0)
+
#define MONO_ARCH_INST_IS_FLOAT(desc) ((desc == 'f') || (desc == 'g'))
/* deal with some of the ABI differences here */
#ifdef __APPLE__
#define PPC_RET_ADDR_OFFSET 8
-#define PPC_STACK_ALIGNMENT 16
#define PPC_STACK_PARAM_OFFSET 24
#define PPC_MINIMAL_STACK_SIZE 24
+#define PPC_MINIMAL_PARAM_AREA_SIZE 0
#define PPC_FIRST_ARG_REG ppc_r3
#define PPC_LAST_ARG_REG ppc_r10
#define PPC_FIRST_FPARG_REG ppc_f1
#define PPC_PASS_STRUCTS_BY_VALUE 1
#else
/* Linux */
+#ifdef __mono_ppc64__
+#define PPC_RET_ADDR_OFFSET 16
+#define PPC_STACK_PARAM_OFFSET 48
+#define PPC_MINIMAL_STACK_SIZE 48
+#define PPC_MINIMAL_PARAM_AREA_SIZE 64
+#define PPC_LAST_FPARG_REG ppc_f13
+#define PPC_PASS_STRUCTS_BY_VALUE 1
+#define PPC_SMALL_RET_STRUCT_IN_REG 0
+#define PPC_THREAD_PTR_REG ppc_r13
+#else
#define PPC_RET_ADDR_OFFSET 4
-#define PPC_STACK_ALIGNMENT 16
#define PPC_STACK_PARAM_OFFSET 8
#define PPC_MINIMAL_STACK_SIZE 8
-#define PPC_FIRST_ARG_REG ppc_r3
-#define PPC_LAST_ARG_REG ppc_r10
-#define PPC_FIRST_FPARG_REG ppc_f1
+#define PPC_MINIMAL_PARAM_AREA_SIZE 0
#define PPC_LAST_FPARG_REG ppc_f8
#define PPC_PASS_STRUCTS_BY_VALUE 0
#define PPC_SMALL_RET_STRUCT_IN_REG 1
-
+#define PPC_THREAD_PTR_REG ppc_r2
+#endif
+#define PPC_FIRST_ARG_REG ppc_r3
+#define PPC_LAST_ARG_REG ppc_r10
+#define PPC_FIRST_FPARG_REG ppc_f1
#endif
#if defined(HAVE_WORKING_SIGALTSTACK) && !defined(__APPLE__)
#define MONO_ARCH_SIGNAL_STACK_SIZE (12 * 1024)
#endif /* HAVE_WORKING_SIGALTSTACK */
-#define MONO_ARCH_HAVE_CREATE_TRAMPOLINE_FROM_TOKEN
#define MONO_ARCH_HAVE_CREATE_DELEGATE_TRAMPOLINE
-#define MONO_ARCH_HAVE_IMT 1
#define MONO_ARCH_IMT_REG ppc_r12
-#define MONO_ARCH_COMMON_VTABLE_TRAMPOLINE 1
-#define MONO_ARCH_ENABLE_NORMALIZE_OPCODES 1
+#define MONO_ARCH_VTABLE_REG ppc_r12
+#define MONO_ARCH_RGCTX_REG MONO_ARCH_IMT_REG
+
#define MONO_ARCH_NO_IOV_CHECK 1
#define MONO_ARCH_HAVE_DECOMPOSE_OPTS 1
+#define MONO_ARCH_HAVE_DECOMPOSE_LONG_OPTS 1
+
+#define MONO_ARCH_HAVE_GENERALIZED_IMT_THUNK 1
+
+#define MONO_ARCH_HAVE_FULL_AOT_TRAMPOLINES 1
+#define MONO_ARCH_HAVE_XP_UNWIND 1
+
+#define MONO_ARCH_GSHARED_SUPPORTED 1
-#define MONO_ARCH_USE_SIGACTION 1
#define MONO_ARCH_NEED_DIV_CHECK 1
+#define MONO_ARCH_AOT_SUPPORTED 1
+#define MONO_ARCH_NEED_GOT_VAR 1
+#if !defined(MONO_CROSS_COMPILE) && !defined(TARGET_PS3)
+#define MONO_ARCH_SOFT_DEBUG_SUPPORTED 1
+#endif
+#define MONO_ARCH_THIS_AS_FIRST_ARG 1
+#define MONO_ARCH_HAVE_OP_TAIL_CALL 1
#define PPC_NUM_REG_ARGS (PPC_LAST_ARG_REG-PPC_FIRST_ARG_REG+1)
#define PPC_NUM_REG_FPARGS (PPC_LAST_FPARG_REG-PPC_FIRST_FPARG_REG+1)
-/* we have the stack pointer, not the base pointer in sigcontext */
-#define MONO_CONTEXT_SET_IP(ctx,ip) do { (ctx)->sc_ir = (int)ip; } while (0);
-/* FIXME: should be called SET_SP */
-#define MONO_CONTEXT_SET_BP(ctx,bp) do { (ctx)->sc_sp = (int)bp; } while (0);
+#ifdef MONO_CROSS_COMPILE
-#define MONO_CONTEXT_GET_IP(ctx) ((gpointer)((ctx)->sc_ir))
-#define MONO_CONTEXT_GET_BP(ctx) ((gpointer)((ctx)->regs [ppc_r31-13]))
-#define MONO_CONTEXT_GET_SP(ctx) ((gpointer)((ctx)->sc_sp))
+typedef struct {
+ unsigned long sp;
+ unsigned long unused1;
+ unsigned long lr;
+} MonoPPCStackFrame;
-#ifdef __APPLE__
+#define MONO_INIT_CONTEXT_FROM_FUNC(ctx,start_func) g_assert_not_reached ()
+
+#elif defined(__APPLE__)
typedef struct {
unsigned long sp;
#else
typedef struct {
- unsigned long sp;
- unsigned long lr;
+ mgreg_t sp;
+#ifdef __mono_ppc64__
+ mgreg_t cr;
+#endif
+ mgreg_t lr;
} MonoPPCStackFrame;
+#ifdef G_COMPILER_CODEWARRIOR
+#define MONO_INIT_CONTEXT_FROM_FUNC(ctx,start_func) do { \
+ register gpointer r1_var; \
+ asm { mr r1_var, r1 }; \
+ MONO_CONTEXT_SET_BP ((ctx), r1); \
+ MONO_CONTEXT_SET_IP ((ctx), (start_func)); \
+ } while (0)
+
+#else
#define MONO_INIT_CONTEXT_FROM_FUNC(ctx,start_func) do { \
gpointer r1; \
__asm__ volatile("mr %0,1" : "=r" (r1)); \
} while (0)
#endif
+#endif
+
+#define MONO_ARCH_INIT_TOP_LMF_ENTRY(lmf) do { (lmf)->ebp = -1; } while (0)
typedef struct {
gint8 reg;
int offset;
} MonoPPCArgInfo;
-#if defined(__linux__)
- typedef struct ucontext os_ucontext;
+#ifdef PPC_USES_FUNCTION_DESCRIPTOR
+typedef struct {
+ gpointer code;
+ gpointer toc;
+ gpointer env;
+} MonoPPCFunctionDescriptor;
- #define UCONTEXT_REG_Rn(ctx, n) ((ctx)->uc_mcontext.uc_regs->gregs [(n)])
- #define UCONTEXT_REG_FPRn(ctx, n) ((ctx)->uc_mcontext.uc_regs->fpregs.fpregs [(n)])
- #define UCONTEXT_REG_NIP(ctx) ((ctx)->uc_mcontext.uc_regs->gregs [PT_NIP])
- #define UCONTEXT_REG_LNK(ctx) ((ctx)->uc_mcontext.uc_regs->gregs [PT_LNK])
-#elif defined (__APPLE__) && defined (_STRUCT_MCONTEXT)
- typedef struct __darwin_ucontext os_ucontext;
+#define PPC_FTNPTR_SIZE sizeof (MonoPPCFunctionDescriptor)
+extern guint8* mono_ppc_create_pre_code_ftnptr (guint8 *code) MONO_INTERNAL;
+#else
+#define PPC_FTNPTR_SIZE 0
+#define mono_ppc_create_pre_code_ftnptr(c) c
+#endif
- #define UCONTEXT_REG_Rn(ctx, n) ((&(ctx)->uc_mcontext->__ss.__r0) [(n)])
- #define UCONTEXT_REG_FPRn(ctx, n) ((ctx)->uc_mcontext->__fs.__fpregs [(n)])
- #define UCONTEXT_REG_NIP(ctx) ((ctx)->uc_mcontext->__ss.__srr0)
- #define UCONTEXT_REG_LNK(ctx) ((ctx)->uc_mcontext->__ss.__lr)
+#if defined(__linux__)
+#define MONO_ARCH_USE_SIGACTION 1
+#elif defined (__APPLE__) && defined (_STRUCT_MCONTEXT)
+#define MONO_ARCH_USE_SIGACTION 1
#elif defined (__APPLE__) && !defined (_STRUCT_MCONTEXT)
- typedef struct ucontext os_ucontext;
-
- #define UCONTEXT_REG_Rn(ctx, n) ((&(ctx)->uc_mcontext->ss.r0) [(n)])
- #define UCONTEXT_REG_FPRn(ctx, n) ((ctx)->uc_mcontext->fs.fpregs [(n)])
- #define UCONTEXT_REG_NIP(ctx) ((ctx)->uc_mcontext->ss.srr0)
- #define UCONTEXT_REG_LNK(ctx) ((ctx)->uc_mcontext->ss.lr)
+#define MONO_ARCH_USE_SIGACTION 1
#elif defined(__NetBSD__)
- typedef ucontext_t os_ucontext;
+#define MONO_ARCH_USE_SIGACTION 1
+#elif defined(__FreeBSD__)
+#define MONO_ARCH_USE_SIGACTION 1
+#elif defined(MONO_CROSS_COMPILE)
+ typedef MonoContext ucontext_t;
+/* typedef struct {
+ int dummy;
+ } ucontext_t;*/
+ #define UCONTEXT_REG_Rn(ctx, n)
+ #define UCONTEXT_REG_FPRn(ctx, n)
+ #define UCONTEXT_REG_NIP(ctx)
+ #define UCONTEXT_REG_LNK(ctx)
+
+#else
+/* For other operating systems, we pull the definition from an external file */
+#include "mini-ppc-os.h"
+#endif
+
+gboolean
+mono_ppc_tail_call_supported (MonoMethodSignature *caller_sig, MonoMethodSignature *callee_sig) MONO_INTERNAL;
- #define UCONTEXT_REG_Rn(ctx, n) ((ctx)->uc_mcontext.__gregs [(n)])
- #define UCONTEXT_REG_FPRn(ctx, n) ((ctx)->uc_mcontext.__fpregs.__fpu_regs [(n)])
- #define UCONTEXT_REG_NIP(ctx) _UC_MACHINE_PC(ctx)
- #define UCONTEXT_REG_LNK(ctx) ((ctx)->uc_mcontext.__gregs [_REG_LR])
+void
+mono_ppc_patch (guchar *code, const guchar *target) MONO_INTERNAL;
+
+void
+mono_ppc_throw_exception (MonoObject *exc, unsigned long eip, unsigned long esp, mgreg_t *int_regs, gdouble *fp_regs, gboolean rethrow) MONO_INTERNAL;
+
+#ifdef __mono_ppc64__
+#define MONO_PPC_32_64_CASE(c32,c64) c64
+extern void mono_ppc_emitted (guint8 *code, gint64 length, const char *format, ...);
#else
-#error Unknown OS
+#define MONO_PPC_32_64_CASE(c32,c64) c32
#endif
-#endif /* __MONO_MINI_PPC_H__ */
+gboolean mono_ppc_is_direct_call_sequence (guint32 *code) MONO_INTERNAL;
+
+void mono_ppc_patch_plt_entry (guint8 *code, gpointer *got, mgreg_t *regs, guint8 *addr) MONO_INTERNAL;
+
+void mono_ppc_set_func_into_sigctx (void *sigctx, void *func) MONO_INTERNAL;
+
+#endif /* __MONO_MINI_PPC_H__ */
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