1 #ifndef __MONO_MINI_ARM_H__
2 #define __MONO_MINI_ARM_H__
4 #include <mono/arch/arm/arm-codegen.h>
7 #define MONO_MAX_IREGS 16
8 #define MONO_MAX_FREGS 16
10 #define MONO_SAVED_GREGS 10 /* r4-411, ip, lr */
11 #define MONO_SAVED_FREGS 8
13 /* r4-r11, ip, lr: registers saved in the LMF and MonoContext */
14 #define MONO_ARM_REGSAVE_MASK 0x5ff0
16 /* Parameters used by the register allocator */
17 #define MONO_ARCH_HAS_XP_LOCAL_REGALLOC
19 #define MONO_ARCH_CALLEE_REGS ((1<<ARMREG_R0) | (1<<ARMREG_R1) | (1<<ARMREG_R2) | (1<<ARMREG_R3) | (1<<ARMREG_IP))
20 #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))
22 #define MONO_ARCH_CALLEE_FREGS 0xf
23 #define MONO_ARCH_CALLEE_SAVED_FREGS 0
25 #define MONO_ARCH_USE_FPSTACK FALSE
26 #define MONO_ARCH_FPSTACK_SIZE 0
28 #define MONO_ARCH_INST_FIXED_REG(desc) (((desc) == 'l')? ARMREG_R0: -1)
29 #define MONO_ARCH_INST_SREG2_MASK(ins) (0)
31 #define MONO_ARCH_INST_IS_REGPAIR(desc) (desc == 'l' || desc == 'L')
32 #define MONO_ARCH_INST_REGPAIR_REG2(desc,hreg1) (desc == 'l' ? ARMREG_R1 : -1)
33 #define MONO_ARCH_INST_IS_FLOAT(desc) ((desc == 'f') || (desc == 'g'))
35 #define MONO_ARCH_FRAME_ALIGNMENT 8
37 /* fixme: align to 16byte instead of 32byte (we align to 32byte to get
38 * reproduceable results for benchmarks */
39 #define MONO_ARCH_CODE_ALIGNMENT 32
41 void arm_patch (guchar *code, const guchar *target);
42 guint8* mono_arm_emit_load_imm (guint8 *code, int dreg, guint32 val);
45 gpointer previous_lmf;
48 int dummy; /* to keep the structure a multiple of 8 */
51 gdouble fregs [MONO_SAVED_FREGS]; /* 8..15 */
52 /* all but sp and pc: matches the PUSH instruction layout in the trampolines
53 * 0-4 should be considered undefined (execpt in the magic tramp)
58 /* we define our own structure and we'll copy the data
59 * from sigcontext/ucontext/mach when we need it.
60 * This also makes us save stack space and time when copying
61 * We might also want to add an additional field to propagate
62 * the original context from the signal handler.
67 gulong regs [MONO_SAVED_GREGS];
68 double fregs [MONO_SAVED_FREGS];
71 typedef struct MonoCompileArch {
74 #define MONO_ARCH_EMULATE_FCONV_TO_I8 1
75 #define MONO_ARCH_EMULATE_LCONV_TO_R8 1
76 #define MONO_ARCH_EMULATE_LCONV_TO_R4 1
77 #define MONO_ARCH_EMULATE_LCONV_TO_R8_UN 1
78 #define MONO_ARCH_EMULATE_FREM 1
79 #define MONO_ARCH_EMULATE_DIV 1
80 //#define MONO_ARCH_BIGMUL_INTRINS 1
82 #define ARM_FIRST_ARG_REG 0
83 #define ARM_LAST_ARG_REG 3
85 #define MONO_ARCH_USE_SIGACTION 1
86 #define MONO_ARCH_NEED_DIV_CHECK 1
88 #define ARM_NUM_REG_ARGS (ARM_LAST_ARG_REG-ARM_FIRST_ARG_REG+1)
89 #define ARM_NUM_REG_FPARGS 0
91 /* we have the stack pointer, not the base pointer in sigcontext */
92 #define MONO_CONTEXT_SET_IP(ctx,ip) do { (ctx)->eip = (int)ip; } while (0);
93 #define MONO_CONTEXT_SET_BP(ctx,bp) do { (ctx)->ebp = (int)bp; } while (0);
95 #define MONO_CONTEXT_GET_IP(ctx) ((gpointer)((ctx)->eip))
96 #define MONO_CONTEXT_GET_BP(ctx) ((gpointer)((ctx)->ebp))
97 #define MONO_CONTEXT_GET_SP(ctx) ((gpointer)((ctx)->ebp))
99 #define MONO_INIT_CONTEXT_FROM_FUNC(ctx,func) do { \
100 MONO_CONTEXT_SET_BP ((ctx), 0); \
101 MONO_CONTEXT_SET_IP ((ctx), 0); \
104 #define mono_find_jit_info mono_arch_find_jit_info
105 #define CUSTOM_EXCEPTION_HANDLING 1
107 #endif /* __MONO_MINI_ARM_H__ */