gpointer
mono_arch_get_static_rgctx_trampoline (gpointer arg, gpointer addr)
{
guint8 *code, *start;
int buf_len;
GSList *unwind_ops;
MonoDomain *domain = mono_domain_get ();
buf_len = 10;
start = code = mono_domain_code_reserve (domain, buf_len);
unwind_ops = mono_arch_get_cie_program ();
x86_mov_reg_imm (code, MONO_ARCH_RGCTX_REG, arg);
x86_jump_code (code, addr);
g_assert ((code - start) <= buf_len);
mono_arch_flush_icache (start, code - start);
MONO_PROFILER_RAISE (jit_code_buffer, (start, code - start, MONO_PROFILER_CODE_BUFFER_GENERICS_TRAMPOLINE, NULL));
mono_tramp_info_register (mono_tramp_info_create (NULL, start, code - start, NULL, unwind_ops), domain);
return start;
}
gpointer
mono_arch_create_specific_trampoline (gpointer arg1, MonoTrampolineType tramp_type, MonoDomain *domain, guint32 *code_len)
{
guint8 *code, *buf, *tramp;
gint32 displace;
tramp = mono_get_trampoline_code (tramp_type);
/*----------------------------------------------------------*/
/* 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_domain_code_reserve (domain, SPECIFIC_TRAMPOLINE_SIZE);
s390_basr (buf, s390_r1, 0);
s390_j (buf, 6);
s390_llong(buf, arg1);
s390_lg (buf, s390_r1, 0, s390_r1, 4);
displace = (tramp - buf) / 2;
s390_jcl (buf, S390_CC_UN, displace);
/* Flush instruction cache, since we've generated code */
mono_arch_flush_icache (code, buf - code);
/* Sanity check */
g_assert ((buf - code) <= SPECIFIC_TRAMPOLINE_SIZE);
if (code_len)
*code_len = buf - code;
return code;
}
gpointer
mono_arch_get_static_rgctx_trampoline (MonoMethod *m,
MonoMethodRuntimeGenericContext *mrgctx,
gpointer addr)
{
guint8 *code, *start;
gint32 displace;
int buf_len;
char trampName[128];
MonoDomain *domain = mono_domain_get ();
buf_len = 32;
start = code = mono_domain_code_reserve (domain, buf_len);
S390_SET (code, MONO_ARCH_RGCTX_REG, mrgctx);
displace = ((uintptr_t) addr - (uintptr_t) code) / 2;
s390_jg (code, displace);
g_assert ((code - start) < buf_len);
mono_arch_flush_icache (start, code - start);
if (mono_profiler_events & MONO_PROFILE_JIT_COMPILATION)
mono_profiler_code_buffer_new (start, code - start, MONO_PROFILER_CODE_BUFFER_HELPER, NULL);
snprintf(trampName, sizeof(trampName), "%s_rgctx_trampoline", m->name);
mono_tramp_info_register (mono_tramp_info_create (trampName, start, code - start, NULL, NULL), domain);
return(start);
}
gpointer
mono_arch_get_static_rgctx_trampoline (MonoMethod *m,
MonoMethodRuntimeGenericContext *mrgctx,
gpointer addr)
{
guint8 *code, *start;
gint32 displace;
int buf_len;
MonoDomain *domain = mono_domain_get ();
buf_len = 32;
start = code = mono_domain_code_reserve (domain, buf_len);
s390_basr (code, s390_r1, 0);
s390_j (code, 6);
s390_llong(code, mrgctx);
s390_lg (code, MONO_ARCH_RGCTX_REG, 0, s390_r1, 4);
displace = ((uintptr_t) addr - (uintptr_t) code) / 2;
s390_jg (code, displace);
g_assert ((code - start) < buf_len);
mono_arch_flush_icache (start, code - start);
return(start);
}
gpointer
mono_arch_get_unbox_trampoline (MonoMethod *method, gpointer addr)
{
guint8 *code, *start;
int this_pos = s390_r2;
MonoDomain *domain = mono_domain_get ();
char trampName[128];
start = code = mono_domain_code_reserve (domain, 28);
S390_SET (code, s390_r1, addr);
s390_aghi (code, this_pos, MONO_ABI_SIZEOF (MonoObject));
s390_br (code, s390_r1);
g_assert ((code - start) <= 28);
mono_arch_flush_icache (start, code - start);
MONO_PROFILER_RAISE (jit_code_buffer, (start, code - start, MONO_PROFILER_CODE_BUFFER_UNBOX_TRAMPOLINE, method));
snprintf(trampName, sizeof(trampName), "%s_unbox_trampoline", method->name);
mono_tramp_info_register (mono_tramp_info_create (trampName, start, code - start, NULL, NULL), domain);
return start;
}
gpointer
mono_arch_create_specific_trampoline (gpointer arg1, MonoTrampolineType tramp_type, MonoDomain *domain, guint32 *code_len)
{
guint32 *code, *buf, *tramp;
tramp = mono_get_trampoline_code (tramp_type);
code = buf = mono_domain_code_reserve (domain, TRAMPOLINE_SIZE * 4);
/* We have to use g5 here because there is no other free register */
sparc_set (code, tramp, sparc_g5);
sparc_jmpl (code, sparc_g5, sparc_g0, sparc_g5);
sparc_nop (code);
#ifdef SPARCV9
g_assert_not_reached ();
#else
*code = (guint32)arg1;
code ++;
#endif
g_assert ((code - buf) <= TRAMPOLINE_SIZE);
if (code_len)
*code_len = (code - buf) * 4;
mono_arch_flush_icache ((guint8*)buf, (code - buf) * 4);
return buf;
}
gpointer
mono_arch_get_static_rgctx_trampoline (MonoMethod *m,
MonoMethodRuntimeGenericContext *mrgctx,
gpointer addr)
{
guint8 *code, *start;
gint32 displace;
int buf_len;
MonoDomain *domain = mono_domain_get ();
buf_len = 32;
start = code = mono_domain_code_reserve (domain, buf_len);
S390_SET (code, MONO_ARCH_RGCTX_REG, mrgctx);
displace = ((uintptr_t) addr - (uintptr_t) code) / 2;
s390_jg (code, displace);
g_assert ((code - start) < buf_len);
mono_arch_flush_icache (start, code - start);
mono_profiler_code_buffer_new (start, code - start, MONO_PROFILER_CODE_BUFFER_HELPER, NULL);
return(start);
}
gpointer
mono_arch_get_static_rgctx_trampoline (gpointer arg, gpointer addr)
{
guint8 *code, *start;
gint32 displace;
int buf_len;
MonoDomain *domain = mono_domain_get ();
buf_len = 32;
start = code = mono_domain_code_reserve (domain, buf_len);
S390_SET (code, MONO_ARCH_RGCTX_REG, arg);
displace = ((uintptr_t) addr - (uintptr_t) code) / 2;
s390_jg (code, displace);
g_assert ((code - start) < buf_len);
mono_arch_flush_icache (start, code - start);
MONO_PROFILER_RAISE (jit_code_buffer, (start, code - start, MONO_PROFILER_CODE_BUFFER_GENERICS_TRAMPOLINE, NULL));
mono_tramp_info_register (mono_tramp_info_create (NULL, start, code - start, NULL, NULL), domain);
return(start);
}
gpointer
mono_arch_create_specific_trampoline (gpointer arg1, MonoTrampolineType tramp_type, MonoDomain *domain, guint32 *code_len)
{
guint8 *code, *buf, *tramp;
gint32 displace;
tramp = mono_get_trampoline_code (tramp_type);
/*----------------------------------------------------------*/
/* 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_domain_code_reserve (domain, SPECIFIC_TRAMPOLINE_SIZE);
S390_SET (buf, s390_r1, arg1);
displace = (tramp - buf) / 2;
s390_jg (buf, displace);
/* Flush instruction cache, since we've generated code */
mono_arch_flush_icache (code, buf - code);
MONO_PROFILER_RAISE (jit_code_buffer, (buf, code - buf,
MONO_PROFILER_CODE_BUFFER_SPECIFIC_TRAMPOLINE,
(void *) mono_get_generic_trampoline_simple_name (tramp_type)));
/* Sanity check */
g_assert ((buf - code) <= SPECIFIC_TRAMPOLINE_SIZE);
if (code_len)
*code_len = buf - code;
return code;
}
gpointer
mono_arch_get_unbox_trampoline (MonoGenericSharingContext *gsctx, MonoMethod *method, gpointer addr)
{
guint8 *code, *start;
int this_pos = s390_r2;
MonoDomain *domain = mono_domain_get ();
start = addr;
if (MONO_TYPE_ISSTRUCT (mono_method_signature (method)->ret))
this_pos = s390_r3;
start = code = mono_domain_code_reserve (domain, 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);
mono_arch_flush_icache (start, code - start);
return start;
}
gpointer
mono_arch_get_unbox_trampoline (MonoMethod *m, gpointer addr)
{
guint8 *buf = mono_domain_code_reserve (mono_domain_get (), 64), *code = buf;
// Pass the argument in a0.
code = mono_riscv_emit_imm (code, RISCV_A0, sizeof (MonoObject));
code = mono_riscv_emit_imm (code, RISCV_T0, (gsize) addr);
riscv_jalr (code, RISCV_ZERO, RISCV_T0, 0);
mono_arch_flush_icache (buf, code - buf);
return buf;
}
gpointer
mono_arch_get_static_rgctx_trampoline (gpointer arg, gpointer addr)
{
guint8 *buf = mono_domain_code_reserve (mono_domain_get (), 64), *code = buf;
// Pass the argument in the RGCTX register.
code = mono_riscv_emit_imm (code, MONO_ARCH_RGCTX_REG, (gsize) arg);
code = mono_riscv_emit_imm (code, RISCV_T0, (gsize) addr);
riscv_jalr (code, RISCV_ZERO, RISCV_T0, 0);
mono_arch_flush_icache (buf, code - buf);
return buf;
}
gpointer
mono_arch_create_specific_trampoline (gpointer arg1, MonoTrampolineType tramp_type, MonoDomain *domain, guint32 *code_len)
{
guint8 *code, *buf, *tramp;
gint32 displace;
tramp = mono_get_trampoline_code (tramp_type);
/*----------------------------------------------------------*/
/* 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_domain_code_reserve (domain, SPECIFIC_TRAMPOLINE_SIZE);
switch (tramp_type) {
/*
* Monitor tramps have the object in r2
*/
case MONO_TRAMPOLINE_MONITOR_ENTER:
case MONO_TRAMPOLINE_MONITOR_ENTER_V4:
case MONO_TRAMPOLINE_MONITOR_EXIT:
s390_lgr (buf, s390_r1, s390_r2);
break;
/*
* Generic class trampoline arg is in r2
*/
case MONO_TRAMPOLINE_GENERIC_CLASS_INIT:
s390_lgr (buf, s390_r1, s390_r2);
break;
default :
S390_SET (buf, s390_r1, arg1);
}
displace = (tramp - buf) / 2;
s390_jg (buf, displace);
/* Flush instruction cache, since we've generated code */
mono_arch_flush_icache (code, buf - code);
mono_profiler_code_buffer_new (buf, code - buf, MONO_PROFILER_CODE_BUFFER_SPECIFIC_TRAMPOLINE,
(void *) mono_get_generic_trampoline_simple_name (tramp_type));
/* Sanity check */
g_assert ((buf - code) <= SPECIFIC_TRAMPOLINE_SIZE);
if (code_len)
*code_len = buf - code;
return code;
}
gpointer
mono_arch_create_specific_trampoline (gpointer arg1, MonoTrampolineType tramp_type,
MonoDomain *domain, guint32 *code_len)
{
guint8 *buf = mono_domain_code_reserve (domain, 64), *code = buf;
guint8 *tramp = mono_get_trampoline_code (tramp_type);
// Pass the argument in scratch t0.
code = mono_riscv_emit_imm (code, RISCV_T0, (gsize) arg1);
code = mono_riscv_emit_imm (code, RISCV_T1, (gsize) tramp);
riscv_jalr (code, RISCV_ZERO, RISCV_T1, 0);
mono_arch_flush_icache (buf, code - buf);
if (code_len)
*code_len = code - buf;
return buf;
}
gpointer
mono_arch_get_unbox_trampoline (MonoMethod *method, gpointer addr)
{
guint8 *code, *start;
int this_pos = s390_r2;
MonoDomain *domain = mono_domain_get ();
start = code = mono_domain_code_reserve (domain, 28);
S390_SET (code, s390_r1, addr);
s390_aghi (code, this_pos, sizeof(MonoObject));
s390_br (code, s390_r1);
g_assert ((code - start) <= 28);
mono_arch_flush_icache (start, code - start);
return start;
}
gpointer
mono_arch_get_unbox_trampoline (MonoMethod *method, gpointer addr)
{
guint8 *code, *start;
int this_pos = s390_r2;
MonoDomain *domain = mono_domain_get ();
start = code = mono_domain_code_reserve (domain, 28);
S390_SET (code, s390_r1, addr);
s390_aghi (code, this_pos, sizeof(MonoObject));
s390_br (code, s390_r1);
g_assert ((code - start) <= 28);
mono_arch_flush_icache (start, code - start);
mono_profiler_code_buffer_new (start, code - start, MONO_PROFILER_CODE_BUFFER_UNBOX_TRAMPOLINE, method);
return start;
}
/*
* mono_arch_get_gsharedvt_arg_trampoline:
*
* See tramp-x86.c for documentation.
*/
gpointer
mono_arch_get_gsharedvt_arg_trampoline (MonoDomain *domain, gpointer arg, gpointer addr)
{
guint8 *code, *start;
int buf_len;
buf_len = 32;
start = code = mono_domain_code_reserve (domain, buf_len);
amd64_mov_reg_imm (code, AMD64_RAX, arg);
amd64_jump_code (code, addr);
g_assert ((code - start) < buf_len);
mono_arch_flush_icache (start, code - start);
mono_profiler_code_buffer_new (start, code - start, MONO_PROFILER_CODE_BUFFER_GENERICS_TRAMPOLINE, NULL);
mono_tramp_info_register (mono_tramp_info_create (NULL, start, code - start, NULL, NULL), domain);
return start;
}
gpointer
mono_arch_get_unbox_trampoline (MonoGenericSharingContext *gsctx, MonoMethod *method, gpointer addr)
{
guint8 *code, *start;
int this_pos = s390_r2;
MonoDomain *domain = mono_domain_get ();
start = code = mono_domain_code_reserve (domain, 28);
s390_basr (code, s390_r1, 0);
s390_j (code, 6);
s390_llong(code, addr);
s390_lg (code, s390_r1, 0, s390_r1, 4);
s390_aghi (code, this_pos, sizeof(MonoObject));
s390_br (code, s390_r1);
g_assert ((code - start) <= 28);
mono_arch_flush_icache (start, code - start);
return start;
}
/*
* mono_arch_get_unbox_trampoline:
* @m: method pointer
* @addr: pointer to native code for @m
*
* when value type methods are called through the vtable we need to unbox the
* this argument. This method returns a pointer to a trampoline which does
* unboxing before calling the method
*/
gpointer
mono_arch_get_unbox_trampoline (MonoMethod *m, gpointer addr)
{
guint8 *code, *start;
int this_pos = 4, size = 16;
MonoDomain *domain = mono_domain_get ();
GSList *unwind_ops;
start = code = mono_domain_code_reserve (domain, size);
unwind_ops = mono_arch_get_cie_program ();
x86_alu_membase_imm (code, X86_ADD, X86_ESP, this_pos, MONO_ABI_SIZEOF (MonoObject));
x86_jump_code (code, addr);
g_assert ((code - start) < size);
MONO_PROFILER_RAISE (jit_code_buffer, (start, code - start, MONO_PROFILER_CODE_BUFFER_UNBOX_TRAMPOLINE, m));
mono_tramp_info_register (mono_tramp_info_create (NULL, start, code - start, NULL, unwind_ops), domain);
return start;
}
gpointer
mono_arch_create_specific_trampoline (gpointer arg1, MonoTrampolineType tramp_type, MonoDomain *domain, guint32 *code_len)
{
guint8 *buf, *tramp;
gint64 disp;
Ia64CodegenState code;
tramp = mono_get_trampoline_code (tramp_type);
buf = mono_domain_code_reserve (domain, TRAMPOLINE_SIZE);
/* FIXME: Optimize this */
ia64_codegen_init (code, buf);
ia64_movl (code, GP_SCRATCH_REG, arg1);
ia64_begin_bundle (code);
disp = (tramp - code.buf) >> 4;
if (ia64_is_imm21 (disp)) {
ia64_br_cond (code, disp);
}
else {
ia64_movl (code, GP_SCRATCH_REG2, tramp);
ia64_mov_to_br (code, IA64_B6, GP_SCRATCH_REG2);
ia64_br_cond_reg (code, IA64_B6);
}
ia64_codegen_close (code);
g_assert (code.buf - buf <= TRAMPOLINE_SIZE);
mono_arch_flush_icache (buf, code.buf - buf);
if (code_len)
*code_len = code.buf - buf;
return buf;
}
/*
* mono_arch_get_unbox_trampoline:
* @m: method pointer
* @addr: pointer to native code for @m
*
* when value type methods are called through the vtable we need to unbox the
* this argument. This method returns a pointer to a trampoline which does
* unboxing before calling the method
*/
gpointer
mono_arch_get_unbox_trampoline (MonoMethod *m, gpointer addr)
{
guint8 *buf;
gpointer func_addr, func_gp;
Ia64CodegenState code;
int this_reg = 0;
gpointer *desc;
MonoDomain *domain = mono_domain_get ();
/* FIXME: Optimize this */
func_addr = ((gpointer*)addr) [0];
func_gp = ((gpointer*)addr) [1];
buf = mono_domain_code_reserve (domain, 256);
/* Since the this reg is a stacked register, its a bit hard to access it */
ia64_codegen_init (code, buf);
ia64_alloc (code, 40, 8, 1, 0, 0);
ia64_adds_imm (code, 32 + this_reg, sizeof (MonoObject), 32 + this_reg);
ia64_mov_to_ar_i (code, IA64_PFS, 40);
ia64_movl (code, GP_SCRATCH_REG, func_addr);
ia64_mov_to_br (code, IA64_B6, GP_SCRATCH_REG);
ia64_br_cond_reg (code, IA64_B6);
ia64_codegen_close (code);
g_assert (code.buf - buf < 256);
mono_arch_flush_icache (buf, code.buf - buf);
/* FIXME: */
desc = g_malloc0 (sizeof (gpointer) * 2);
desc [0] = buf;
desc [1] = func_gp;
return desc;
}