#endif /* PLATFORM_WIN32 */
#ifdef sun // Solaris x86
-# undef SIGSEGV_ON_ALTSTACK
# define MONO_ARCH_USE_SIGACTION 1
struct sigcontext {
unsigned short gs, __gsh;
};
#endif // sun, Solaris x86
+#ifdef __linux__
+#define MONO_ARCH_USE_SIGACTION
+#endif
+
+#ifndef PLATFORM_WIN32
+
+#ifdef HAVE_WORKING_SIGALTSTACK
+#define MONO_ARCH_SIGSEGV_ON_ALTSTACK
+#define MONO_ARCH_USE_SIGACTION
+
+/* FreeBSD and NetBSD need SA_STACK and MAP_ANON re-definitions */
+# if defined(__FreeBSD__) || defined(__NetBSD__)
+# ifndef SA_STACK
+# define SA_STACK SA_ONSTACK
+# endif
+# ifndef MAP_ANONYMOUS
+# define MAP_ANONYMOUS MAP_ANON
+# endif
+# endif /* BSDs */
+
+#endif /* HAVE_WORKING_SIGALTSTACK */
+#endif /* !PLATFORM_WIN32 */
+
+#define MONO_ARCH_SIGNAL_STACK_SIZE (64 * 1024)
+
/* Enables OP_LSHL, OP_LSHL_IMM, OP_LSHR, OP_LSHR_IMM, OP_LSHR_UN, OP_LSHR_UN_IMM */
#define MONO_ARCH_NO_EMULATE_LONG_SHIFT_OPS
#define MONO_MAX_IREGS 8
#define MONO_MAX_FREGS 6
+/* Parameters used by the register allocator */
+#define MONO_ARCH_HAS_XP_LOCAL_REGALLOC
+
+#define MONO_ARCH_CALLEE_REGS X86_CALLEE_REGS
+#define MONO_ARCH_CALLEE_SAVED_REGS X86_CALLER_REGS
+
+#define MONO_ARCH_CALLEE_FREGS 0
+#define MONO_ARCH_CALLEE_SAVED_FREGS 0
+
+#define MONO_ARCH_USE_FPSTACK TRUE
+#define MONO_ARCH_FPSTACK_SIZE 6
+
+/* FIXME: Don't constrain byte regs to eax */
+#define MONO_ARCH_INST_FIXED_REG(desc) ((desc == 's') ? X86_ECX : ((desc == 'a') ? X86_EAX : ((desc == 'd') ? X86_EDX : ((desc == 'y') ? X86_EAX : ((desc == 'l') ? X86_EAX : -1)))))
+
+/* RDX is clobbered by the opcode implementation before accessing sreg2 */
+#define MONO_ARCH_INST_SREG2_MASK(ins) (((ins [MONO_INST_CLOB] == 'a') || (ins [MONO_INST_CLOB] == 'd')) ? (1 << X86_EDX) : 0)
+
+/*
+ * L is a generic register pair, while l means eax:rdx
+ */
+#define MONO_ARCH_INST_IS_REGPAIR(desc) (desc == 'l' || desc == 'L')
+#define MONO_ARCH_INST_REGPAIR_REG2(desc,hreg1) (desc == 'l' ? X86_EDX : -1)
+
#define MONO_ARCH_FRAME_ALIGNMENT 4
/* fixme: align to 16byte instead of 32byte (we align to 32byte to get
guint32 eip;
};
-typedef struct MonoCompileArch {
-} MonoCompileArch;
+typedef void* MonoCompileArch;
-#if defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__)
+#if defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__) || defined(__APPLE__)
# define SC_EAX sc_eax
# define SC_EBX sc_ebx
# define SC_ECX sc_ecx
# define SC_ESI esi
#endif
-typedef struct sigcontext MonoContext;
+typedef struct {
+ guint32 eax;
+ guint32 ebx;
+ guint32 ecx;
+ guint32 edx;
+ guint32 ebp;
+ guint32 esp;
+ guint32 esi;
+ guint32 edi;
+ guint32 eip;
+} MonoContext;
+
+#define MONO_CONTEXT_SET_IP(ctx,ip) do { (ctx)->eip = (long)(ip); } while (0);
+#define MONO_CONTEXT_SET_BP(ctx,bp) do { (ctx)->ebp = (long)(bp); } while (0);
+#define MONO_CONTEXT_SET_SP(ctx,sp) do { (ctx)->esp = (long)(sp); } while (0);
+
+#define MONO_CONTEXT_GET_IP(ctx) ((gpointer)((ctx)->eip))
+#define MONO_CONTEXT_GET_BP(ctx) ((gpointer)((ctx)->ebp))
+#define MONO_CONTEXT_GET_SP(ctx) ((gpointer)((ctx)->esp))
+
+#ifdef _MSC_VER
+
+#define MONO_INIT_CONTEXT_FROM_FUNC(ctx, start_func) do { \
+ unsigned int stackptr; \
+ mono_arch_flush_register_windows (); \
+ { \
+ __asm mov stackptr, ebp \
+ } \
+ MONO_CONTEXT_SET_IP ((ctx), (start_func)); \
+ MONO_CONTEXT_SET_BP ((ctx), stackptr); \
+} while (0)
+
+#define MONO_INIT_CONTEXT_FROM_CALLER(ctx) do { \
+ unsigned int stackptr, retaddr; \
+ { \
+ __asm mov stackptr, ebp \
+ __asm mov eax, DWORD PTR [ebp + 4] \
+ __asm mov retaddr, eax \
+ } \
+ MONO_CONTEXT_SET_IP ((ctx), retaddr); \
+ /* FIXME: NOT WORKING -- THIS IS __builtin_frame_address (0) NOT (1) */ \
+ MONO_CONTEXT_SET_BP ((ctx), stackptr); \
+} while (0)
-#define MONO_CONTEXT_SET_IP(ctx,ip) do { (ctx)->SC_EIP = (long)(ip); } while (0);
-#define MONO_CONTEXT_SET_BP(ctx,bp) do { (ctx)->SC_EBP = (long)(bp); } while (0);
-#define MONO_CONTEXT_SET_SP(ctx,esp) do { (ctx)->SC_ESP = (long)(esp); } while (0);
-
-#define MONO_CONTEXT_GET_IP(ctx) ((gpointer)((ctx)->SC_EIP))
-#define MONO_CONTEXT_GET_BP(ctx) ((gpointer)((ctx)->SC_EBP))
-#define MONO_CONTEXT_GET_SP(ctx) ((gpointer)((ctx)->SC_ESP))
+#else
#define MONO_INIT_CONTEXT_FROM_FUNC(ctx,start_func) do { \
mono_arch_flush_register_windows (); \
MONO_CONTEXT_SET_BP ((ctx), __builtin_frame_address (0)); \
} while (0)
-#ifndef PLATFORM_WIN32
-#ifdef HAVE_WORKING_SIGALTSTACK
-#define MONO_ARCH_SIGSEGV_ON_ALTSTACK
-/* NetBSD doesn't define SA_STACK */
-#ifndef SA_STACK
-#define SA_STACK SA_ONSTACK
-#endif
#endif
-#endif
-
-void mono_x86_tramp_init (void);
-
#define MONO_ARCH_BIGMUL_INTRINS 1
#define MONO_ARCH_NEED_DIV_CHECK 1
#define MONO_ARCH_HAVE_IS_INT_OVERFLOW 1
#define MONO_ARCH_HAVE_THROW_CORLIB_EXCEPTION 1
#define MONO_ARCH_ENABLE_EMIT_STATE_OPT 1
#define MONO_ARCH_HAVE_CREATE_TRAMPOLINE_FROM_TOKEN 1
+#define MONO_ARCH_HAVE_CREATE_SPECIFIC_TRAMPOLINE 1
+#define MONO_ARCH_HAVE_CREATE_DELEGATE_TRAMPOLINE 1
#define MONO_ARCH_HAVE_CREATE_VARS 1
#endif /* __MONO_MINI_X86_H__ */
projects / mono.git / blobdiff