#define GR_SAVE_SIZE 4*sizeof(long)
#define FP_SAVE_SIZE 16*sizeof(double)
-#define CREATE_GR_OFFSET S390_MINIMAL_STACK_SIZE
+#define METHOD_SAVE_OFFSET S390_MINIMAL_STACK_SIZE
+#define CREATE_GR_OFFSET METHOD_SAVE_OFFSET+sizeof(gpointer)
#define CREATE_FP_OFFSET CREATE_GR_OFFSET+GR_SAVE_SIZE
#define CREATE_LMF_OFFSET CREATE_FP_OFFSET+FP_SAVE_SIZE
#define CREATE_STACK_SIZE (CREATE_LMF_OFFSET+2*sizeof(long)+sizeof(MonoLMF))
-#define METHOD_SAVE_OFFSET S390_RET_ADDR_OFFSET-4
-
-/*------------------------------------------------------------------*/
-/* adapt to mini later... */
-/*------------------------------------------------------------------*/
-#define mono_jit_share_code (1)
/*------------------------------------------------------------------*/
/* Method-specific trampoline code fragment sizes */
#include <mono/metadata/marshal.h>
#include <mono/metadata/tabledefs.h>
#include <mono/arch/s390/s390-codegen.h>
-#include <mono/metadata/mono-debug-debugger.h>
#include "mini.h"
#include "mini-s390.h"
/* T y p e d e f s */
/*------------------------------------------------------------------*/
-typedef enum {
- MONO_TRAMPOLINE_GENERIC,
- MONO_TRAMPOLINE_JUMP,
- MONO_TRAMPOLINE_CLASS_INIT
-} MonoTrampolineType;
-
/*========================= End of Typedefs ========================*/
/*------------------------------------------------------------------*/
/* P r o t o t y p e s */
/*------------------------------------------------------------------*/
-/*------------------------------------------------------------------*/
-/* Address of the generic trampoline code. This is used by the */
-/* debugger to check whether a method is a trampoline. */
-/*------------------------------------------------------------------*/
-guint8 *mono_generic_trampoline_code = NULL;
-
/*========================= End of Prototypes ======================*/
/*------------------------------------------------------------------*/
int this_pos = s390_r2;
start = addr;
- if ((method->klass->valuetype)) {
-// if ((method->klass->valuetype) &&
-// (method->flags & METHOD_ATTRIBUTE_VIRTUAL)) {
- if ((!method->signature->ret->byref) &&
- (MONO_TYPE_ISSTRUCT (method->signature->ret)))
- this_pos = s390_r3;
-
- start = code = g_malloc (28);
-
- s390_basr (code, s390_r13, 0);
- s390_j (code, 4);
- s390_word (code, addr);
- s390_l (code, s390_r1, 0, s390_r13, 4);
- s390_ahi (code, this_pos, sizeof(MonoObject));
- s390_br (code, s390_r1);
-
- g_assert ((code - start) <= 28);
- }
+ if ((!mono_method_signature (method)->ret->byref) &&
+ (MONO_TYPE_ISSTRUCT (mono_method_signature (method)->ret)))
+ this_pos = s390_r3;
+
+ start = code = mono_global_codeman_reserve (28);
+
+ s390_basr (code, s390_r13, 0);
+ s390_j (code, 4);
+ s390_word (code, addr);
+ s390_l (code, s390_r1, 0, s390_r13, 4);
+ s390_ahi (code, this_pos, sizeof(MonoObject));
+ s390_br (code, s390_r1);
+
+ g_assert ((code - start) <= 28);
return start;
}
{
gpointer addr;
gint32 displace;
- int reg, base;
+ int reg;
+ guchar* base;
unsigned short opcode;
- char *fname;
MonoJitInfo *codeJi,
*addrJi;
if (code) {
/* The top bit needs to be ignored on S/390 */
- (guint32) code &= 0x7fffffff;
+ code = (guchar*)((guint32)code & 0x7fffffff);
- fname = mono_method_full_name (method, TRUE);
codeJi = mono_jit_info_table_find (mono_domain_get(), code);
addrJi = mono_jit_info_table_find (mono_domain_get(), addr);
+ if (mono_method_same_domain (codeJi, addrJi)) {
- opcode = *((unsigned short *) (code - 6));
- switch (opcode) {
+ opcode = *((unsigned short *) (code - 6));
+ switch (opcode) {
case 0x5810 :
/* This is a bras r14,r1 instruction */
code -= 4;
reg = *code >> 4;
displace = *((short *)code) & 0x0fff;
if (reg > 5)
- base = *((int *) (sp + S390_REG_SAVE_OFFSET+
+ base = *((guchar **) (sp + S390_REG_SAVE_OFFSET+
sizeof(int)*(reg-6)));
else
- base = *((int *) (sp + CREATE_GR_OFFSET+
+ base = *((guchar **) ((sp - CREATE_STACK_SIZE) +
+ CREATE_GR_OFFSET +
sizeof(int)*(reg-2)));
- addr = get_unbox_trampoline(method, addr);
- if (mono_method_same_domain (codeJi, addrJi)) {
- code = base + displace;
- s390_patch(code, addr);
- }
+
+ if ((method->klass->valuetype) &&
+ (!mono_aot_is_got_entry(code, base)))
+ addr = get_unbox_trampoline(method, addr);
+
+ code = base + displace;
+ if (mono_domain_owns_vtable_slot(mono_domain_get(),
+ code))
+ s390_patch(code, (guint32) addr);
break;
case 0xc0e5 :
/* This is the 'brasl' instruction */
break;
default :
g_error("Unable to patch instruction prior to %p",code);
+ }
}
}
/*------------------------------------------------------------------*/
/* */
-/* Name - create_trampoline_code */
+/* Name - mono_arch_create_trampoline_code */
/* */
/* Function - Create the designated type of trampoline according*/
/* to the 'tramp_type' parameter. */
/* */
/*------------------------------------------------------------------*/
-static guchar*
-create_trampoline_code (MonoTrampolineType tramp_type)
+guchar*
+mono_arch_create_trampoline_code (MonoTrampolineType tramp_type)
{
guint8 *buf, *code = NULL;
- static guint8* generic_jump_trampoline = NULL;
- static guint8 *generic_class_init_trampoline = NULL;
int i, offset, lmfOffset;
- switch (tramp_type) {
- case MONO_TRAMPOLINE_GENERIC:
- if (mono_generic_trampoline_code)
- return mono_generic_trampoline_code;
- break;
- case MONO_TRAMPOLINE_JUMP:
- if (generic_jump_trampoline)
- return generic_jump_trampoline;
- break;
- case MONO_TRAMPOLINE_CLASS_INIT:
- if (generic_class_init_trampoline)
- return generic_class_init_trampoline;
- break;
- }
-
if(!code) {
/* Now we'll create in 'buf' the S/390 trampoline code. This
is the trampoline code common to all methods */
- code = buf = g_malloc(512);
+ code = buf = mono_global_codeman_reserve(512);
/*-----------------------------------------------------------
STEP 0: First create a non-standard function prologue with a
s390_lr (buf, s390_r11, s390_r15);
s390_ahi (buf, STK_BASE, -CREATE_STACK_SIZE);
s390_st (buf, s390_r11, 0, STK_BASE, 0);
+ s390_st (buf, s390_r1, 0, STK_BASE, METHOD_SAVE_OFFSET);
s390_stm (buf, s390_r2, s390_r5, STK_BASE, CREATE_GR_OFFSET);
/* Save the FP registers */
/*---------------------------------------------------------------*/
/* save method info */
/*---------------------------------------------------------------*/
- s390_l (buf, s390_r1, 0, s390_r11, METHOD_SAVE_OFFSET);
+ s390_l (buf, s390_r1, 0, STK_BASE, METHOD_SAVE_OFFSET);
s390_st (buf, s390_r1, 0, s390_r13,
G_STRUCT_OFFSET(MonoLMF, method));
-
+
/*---------------------------------------------------------------*/
- /* save the current IP */
+ /* save the current SP */
/*---------------------------------------------------------------*/
s390_l (buf, s390_r1, 0, STK_BASE, 0);
s390_st (buf, s390_r1, 0, s390_r13, G_STRUCT_OFFSET(MonoLMF, ebp));
+
+ /*---------------------------------------------------------------*/
+ /* save the current IP */
+ /*---------------------------------------------------------------*/
if (tramp_type == MONO_TRAMPOLINE_JUMP) {
s390_lhi (buf, s390_r1, 0);
} else {
/* Set arguments */
- /* Arg 1: MonoMethod *method. It was put in r11 by the
+ /* Arg 1: MonoMethod *method. It was put in r1 by the
method-specific trampoline code, and then saved before the call
- to mono_get_lmf_addr()'. Restore r13, by the way :-) */
- s390_l (buf, s390_r2, 0, s390_r11, METHOD_SAVE_OFFSET);
+ to mono_get_lmf_addr()'. */
+ s390_l (buf, s390_r2, 0, STK_BASE, METHOD_SAVE_OFFSET);
/* Arg 2: code (next address to the instruction that called us) */
if (tramp_type == MONO_TRAMPOLINE_JUMP) {
/* Arg 3: stack pointer */
s390_lr (buf, s390_r4, STK_BASE);
+ s390_ahi (buf, s390_r4, CREATE_STACK_SIZE);
/* Calculate call address and call
's390_magic_trampoline'. Return value will be in r2 */
STEP 3: Restore the LMF
----------------------------------------------------------*/
restoreLMF(buf, STK_BASE, CREATE_STACK_SIZE);
-
+
/*----------------------------------------------------------
STEP 4: call the compiled method
----------------------------------------------------------*/
g_assert ((buf - code) <= 512);
}
- switch (tramp_type) {
- case MONO_TRAMPOLINE_GENERIC:
- mono_generic_trampoline_code = code;
- break;
- case MONO_TRAMPOLINE_JUMP:
- generic_jump_trampoline = code;
- break;
- case MONO_TRAMPOLINE_CLASS_INIT:
- generic_class_init_trampoline = code;
- break;
- }
-
return code;
}
MonoDomain *domain = mono_domain_get();
gint32 displace;
- tramp = create_trampoline_code (MONO_TRAMPOLINE_JUMP);
+ tramp = mono_get_trampoline_code (MONO_TRAMPOLINE_JUMP);
mono_domain_lock (domain);
code = buf = mono_code_manager_reserve (domain->code_mp, METHOD_TRAMPOLINE_SIZE);
mono_domain_unlock (domain);
- s390_basr (buf, s390_r13, 0);
+ s390_basr (buf, s390_r1, 0);
s390_j (buf, 4);
s390_word (buf, method);
- s390_l (buf, s390_r13, 0, s390_r13, 4);
+ s390_l (buf, s390_r1, 0, s390_r1, 4);
displace = (tramp - buf) / 2;
s390_jcl (buf, S390_CC_UN, displace);
static guint8 *vc = NULL;
gint32 displace;
- vc = create_trampoline_code (MONO_TRAMPOLINE_GENERIC);
+ vc = mono_get_trampoline_code (MONO_TRAMPOLINE_GENERIC);
- /* This is the method-specific part of the trampoline. Its purpose is
- to provide the generic part with the MonoMethod *method pointer. We'll
- use r13 to keep that value, for instance. However, the generic part of
- the trampoline relies on r11 having the same value it had before coming
- here, so we must save it before. */
- code = buf = g_malloc(METHOD_TRAMPOLINE_SIZE);
+ /*----------------------------------------------------------*/
+ /* This is the method-specific part of the trampoline. Its */
+ /* purpose is to provide the generic part with the */
+ /* MonoMethod *method pointer. We'll use r1 to keep it. */
+ /*----------------------------------------------------------*/
+ code = buf = mono_global_codeman_reserve(METHOD_TRAMPOLINE_SIZE);
- s390_basr (buf, s390_r13, 0);
+ s390_basr (buf, s390_r1, 0);
s390_j (buf, 4);
s390_word (buf, method);
- s390_l (buf, s390_r13, 0, s390_r13, 4);
+ s390_l (buf, s390_r1, 0, s390_r1, 4);
displace = (vc - buf) / 2;
s390_jcl (buf, S390_CC_UN, displace);
/* Sanity check */
g_assert ((buf - code) <= METHOD_TRAMPOLINE_SIZE);
- mono_jit_stats.method_trampolines++;
-
return code;
}
{
guint8 *code, *buf, *tramp;
- tramp = create_trampoline_code (MONO_TRAMPOLINE_CLASS_INIT);
+ tramp = mono_get_trampoline_code (MONO_TRAMPOLINE_CLASS_INIT);
- /* This is the method-specific part of the trampoline. Its purpose is
- to provide the generic part with the MonoMethod *method pointer. We'll
- use r11 to keep that value, for instance. However, the generic part of
- the trampoline relies on r11 having the same value it had before coming
- here, so we must save it before. */
- code = buf = g_malloc(METHOD_TRAMPOLINE_SIZE);
+ /*-----------------------------------------------------------*/
+ /* This is the method-specific part of the trampoline. Its */
+ /* purpose is to provide the generic part with the MonoMethod*/
+ /* *method pointer. We'll use r11 to keep that value, for */
+ /* instance. However, the generic part of the trampoline */
+ /* relies on r11 having the same value it had before coming */
+ /* here, so we must save it before. */
+ /*-----------------------------------------------------------*/
+ code = buf = mono_global_codeman_reserve(METHOD_TRAMPOLINE_SIZE);
s390_st (buf, s390_r14, 0, STK_BASE, S390_RET_ADDR_OFFSET);
s390_ahi (buf, STK_BASE, -S390_MINIMAL_STACK_SIZE);
/*------------------------------------------------------------------*/
gpointer
-mono_debugger_create_notification_function (gpointer *notification_address)
+mono_debugger_create_notification_function (void)
{
guint8 *ptr, *buf;
- ptr = buf = g_malloc0 (16);
+ ptr = buf = mono_global_codeman_reserve (16);
s390_break (buf);
- if (notification_address)
- *notification_address = buf;
s390_br (buf, s390_r14);
return ptr;
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