#define __MONO_MINI_ARM_H__
#include <mono/arch/arm/arm-codegen.h>
+#include <mono/utils/mono-context.h>
#include <glib.h>
-#if defined(ARM_FPU_NONE) || defined(ARM_FPU_VFP)
+#if defined(ARM_FPU_NONE) || (defined(__ARM_EABI__) && !defined(ARM_FPU_VFP))
#define MONO_ARCH_SOFT_FLOAT 1
#endif
+#if defined(__ARM_EABI__)
+#if G_BYTE_ORDER == G_LITTLE_ENDIAN
+#define ARM_ARCHITECTURE "armel"
+#else
+#define ARM_ARCHITECTURE "armeb"
+#endif
+#else
+#define ARM_ARCHITECTURE "arm"
+#endif
+
+#if defined(ARM_FPU_FPA)
+#define ARM_FP_MODEL "fpa"
+#elif defined(ARM_FPU_VFP)
+#define ARM_FP_MODEL "vfp"
+#elif defined(ARM_FPU_NONE)
+#define ARM_FP_MODEL "soft-float"
+#else
+#error "At least one of ARM_FPU_NONE or ARM_FPU_FPA or ARM_FPU_VFP must be defined."
+#endif
+
+#define MONO_ARCH_ARCHITECTURE ARM_ARCHITECTURE "," ARM_FP_MODEL
+
#define MONO_ARCH_CPU_SPEC arm_cpu_desc
#if G_BYTE_ORDER == G_LITTLE_ENDIAN
#define MONO_MAX_IREGS 16
#define MONO_MAX_FREGS 16
-#define MONO_SAVED_GREGS 10 /* r4-411, ip, lr */
+#define MONO_SAVED_GREGS 10 /* r4-r11, ip, lr */
#define MONO_SAVED_FREGS 8
-/* r4-r11, ip, lr: registers saved in the LMF and MonoContext */
+/* r4-r11, ip, lr: registers saved in the LMF */
#define MONO_ARM_REGSAVE_MASK 0x5ff0
+#define MONO_ARM_FIRST_SAVED_REG ARMREG_R4
+#define MONO_ARM_NUM_SAVED_REGS 10
/* Parameters used by the register allocator */
-#define MONO_ARCH_HAS_XP_LOCAL_REGALLOC
#define MONO_ARCH_CALLEE_REGS ((1<<ARMREG_R0) | (1<<ARMREG_R1) | (1<<ARMREG_R2) | (1<<ARMREG_R3) | (1<<ARMREG_IP))
#define MONO_ARCH_CALLEE_SAVED_REGS ((1<<ARMREG_V1) | (1<<ARMREG_V2) | (1<<ARMREG_V3) | (1<<ARMREG_V4) | (1<<ARMREG_V5) | (1<<ARMREG_V6) | (1<<ARMREG_V7))
+#ifdef ARM_FPU_VFP
+/* Every double precision vfp register, d0/d1 is reserved for a scratch reg */
+#define MONO_ARCH_CALLEE_FREGS 0x55555550
+#else
#define MONO_ARCH_CALLEE_FREGS 0xf
+#endif
#define MONO_ARCH_CALLEE_SAVED_FREGS 0
#define MONO_ARCH_USE_FPSTACK FALSE
#define MONO_ARCH_INST_SREG2_MASK(ins) (0)
#ifdef MONO_ARCH_SOFT_FLOAT
-#define MONO_ARCH_INST_FIXED_REG(desc) (((desc) == 'l' || (desc == 'f') || (desc == 'g'))? ARM_LSW_REG: -1)
+#define MONO_ARCH_INST_FIXED_REG(desc) (((desc) == 'l' || (desc == 'f') || (desc == 'g')) ? ARM_LSW_REG: (((desc) == 'a') ? ARMREG_R0 : -1))
#define MONO_ARCH_INST_IS_REGPAIR(desc) ((desc) == 'l' || (desc) == 'L' || (desc) == 'f' || (desc) == 'g')
#define MONO_ARCH_INST_IS_FLOAT(desc) (FALSE)
#else
-#define MONO_ARCH_INST_FIXED_REG(desc) (((desc) == 'l')? ARM_LSW_REG: -1)
+#define MONO_ARCH_INST_FIXED_REG(desc) (((desc) == 'l')? ARM_LSW_REG: (((desc) == 'a') ? ARMREG_R0 : -1))
#define MONO_ARCH_INST_IS_REGPAIR(desc) (desc == 'l' || desc == 'L')
#define MONO_ARCH_INST_IS_FLOAT(desc) ((desc == 'f') || (desc == 'g'))
#endif
void arm_patch (guchar *code, const guchar *target);
guint8* mono_arm_emit_load_imm (guint8 *code, int dreg, guint32 val);
+int mono_arm_is_rotated_imm8 (guint32 val, gint *rot_amount);
+
+void
+mono_arm_throw_exception_by_token (guint32 type_token, unsigned long eip, unsigned long esp, gulong *int_regs, gdouble *fp_regs);
/* keep the size of the structure a multiple of 8 */
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;
+ /* This is only set in trampoline LMF frames */
MonoMethod *method;
gulong esp;
- gulong ebp;
gulong eip;
- gdouble fregs [MONO_SAVED_FREGS]; /* 8..15 */
/* all but sp and pc: matches the PUSH instruction layout in the trampolines
* 0-4 should be considered undefined (execpt in the magic tramp)
+ * sp is saved at IP.
*/
gulong iregs [14];
};
-/* 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 eip; // pc
- gulong ebp; // fp
- gulong esp; // sp
- gulong regs [MONO_SAVED_GREGS];
- double fregs [MONO_SAVED_FREGS];
-} MonoContext;
-
typedef struct MonoCompileArch {
- int dummy;
+ gpointer seq_point_info_var, ss_trigger_page_var;
+ gboolean omit_fp, omit_fp_computed;
+ gpointer cinfo;
} MonoCompileArch;
#define MONO_ARCH_EMULATE_FCONV_TO_I8 1
#define MONO_ARCH_EMULATE_FREM 1
#define MONO_ARCH_EMULATE_DIV 1
#define MONO_ARCH_EMULATE_CONV_R8_UN 1
+#define MONO_ARCH_EMULATE_MUL_OVF 1
//#define MONO_ARCH_BIGMUL_INTRINS 1
#define ARM_FIRST_ARG_REG 0
#define MONO_ARCH_USE_SIGACTION 1
#define MONO_ARCH_NEED_DIV_CHECK 1
+#define MONO_ARCH_HAVE_CREATE_DELEGATE_TRAMPOLINE
+#define MONO_ARCH_HAVE_XP_UNWIND 1
+#define MONO_ARCH_HAVE_GENERALIZED_IMT_THUNK 1
+
#define ARM_NUM_REG_ARGS (ARM_LAST_ARG_REG-ARM_FIRST_ARG_REG+1)
#define ARM_NUM_REG_FPARGS 0
-/* we have the stack pointer, not the base pointer in sigcontext */
-#define MONO_CONTEXT_SET_IP(ctx,ip) do { (ctx)->eip = (int)ip; } while (0);
-#define MONO_CONTEXT_SET_BP(ctx,bp) do { (ctx)->ebp = (int)bp; } while (0);
-#define MONO_CONTEXT_SET_SP(ctx,bp) do { (ctx)->esp = (int)bp; } while (0);
+#define MONO_ARCH_HAVE_FULL_AOT_TRAMPOLINES 1
+#define MONO_ARCH_HAVE_IMT 1
+#define MONO_ARCH_HAVE_STATIC_RGCTX_TRAMPOLINE 1
+#define MONO_ARCH_HAVE_DECOMPOSE_LONG_OPTS 1
+
+#define MONO_ARCH_AOT_SUPPORTED 1
+#define MONO_ARCH_LLVM_SUPPORTED 1
+#define MONO_ARCH_THIS_AS_FIRST_ARG 1
+
+#define MONO_ARCH_GSHARED_SUPPORTED 1
+#define MONO_ARCH_DYN_CALL_SUPPORTED 1
+#define MONO_ARCH_DYN_CALL_PARAM_AREA 24
+
+#define MONO_ARCH_SOFT_DEBUG_SUPPORTED 1
+#define MONO_ARCH_HAVE_EXCEPTIONS_INIT 1
+#define MONO_ARCH_HAVE_GET_TRAMPOLINES 1
+
+/* Matches the HAVE_AEABI_READ_TP define in mini-arm.c */
+#if defined(__ARM_EABI__) && defined(__linux__) && !defined(PLATFORM_ANDROID)
+#define MONO_ARCH_HAVE_TLS_GET 1
+#endif
+
+/* ARM doesn't have too many registers, so we have to use a callee saved one */
+#define MONO_ARCH_RGCTX_REG ARMREG_V5
+/* First argument reg */
+#define MONO_ARCH_VTABLE_REG ARMREG_R0
-#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))
+#define MONO_CONTEXT_SET_LLVM_EXC_REG(ctx, exc) do { (ctx)->regs [0] = (gsize)exc; } while (0)
#define MONO_INIT_CONTEXT_FROM_FUNC(ctx,func) do { \
MONO_CONTEXT_SET_BP ((ctx), __builtin_frame_address (0)); \
MONO_CONTEXT_SET_IP ((ctx), (func)); \
} while (0)
+#define MONO_ARCH_INIT_TOP_LMF_ENTRY(lmf)
+
+void
+mono_arm_throw_exception (MonoObject *exc, unsigned long eip, unsigned long esp, gulong *int_regs, gdouble *fp_regs);
+
+void
+mono_arm_throw_exception_by_token (guint32 type_token, unsigned long eip, unsigned long esp, gulong *int_regs, gdouble *fp_regs);
+
+void
+mono_arm_resume_unwind (guint32 dummy1, unsigned long eip, unsigned long esp, gulong *int_regs, gdouble *fp_regs);
+
+gboolean
+mono_arm_thumb_supported (void);
+
+GSList*
+mono_arm_get_exception_trampolines (gboolean aot) MONO_INTERNAL;
+
+guint8*
+mono_arm_get_thumb_plt_entry (guint8 *code) MONO_INTERNAL;
+
#endif /* __MONO_MINI_ARM_H__ */
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