-/*------------------------------------------------------------------*/
-/* */
-/* Name - tramp-s390x.c */
-/* */
-/* Function - JIT trampoline code for S/390. */
-/* */
-/* Name - Neale Ferguson (Neale.Ferguson@SoftwareAG-usa.com) */
-/* */
-/* Date - January, 2004 */
-/* */
-/* Derivation - From exceptions-x86 & exceptions-ppc */
-/* Paolo Molaro (lupus@ximian.com) */
-/* Dietmar Maurer (dietmar@ximian.com) */
-/* */
-/* Copyright - 2001 Ximian, Inc. */
-/* */
-/*------------------------------------------------------------------*/
+/**
+ * \file
+ * Function - JIT trampoline code for S/390.
+ *
+ * Name - Neale Ferguson (Neale.Ferguson@SoftwareAG-usa.com)
+ *
+ * Date - January, 2004
+ *
+ * Derivation - From exceptions-x86 & exceptions-ppc
+ * Paolo Molaro (lupus@ximian.com)
+ * Dietmar Maurer (dietmar@ximian.com)
+ *
+ * Copyright - 2001 Ximian, Inc.
+ * Licensed under the MIT license. See LICENSE file in the project root for full license information.
+ *
+ */
/*------------------------------------------------------------------*/
/* D e f i n e s */
#include "mini.h"
#include "mini-s390x.h"
#include "support-s390x.h"
+#include "jit-icalls.h"
/*========================= End of Includes ========================*/
typedef struct {
guint8 stk[S390_MINIMAL_STACK_SIZE]; /* Standard s390x stack */
+ guint64 saveFn; /* Call address */
struct MonoLMF LMF; /* LMF */
} trampStack_t;
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);
+ 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);
code = buf = mono_global_codeman_reserve(512);
- if ((tramp_type == MONO_TRAMPOLINE_JUMP) ||
- (tramp_type == MONO_TRAMPOLINE_HANDLER_BLOCK_GUARD))
+ if (tramp_type == MONO_TRAMPOLINE_JUMP)
has_caller = 0;
else
has_caller = 1;
S390_SET (buf, s390_r1, tramp);
s390_basr (buf, s390_r14, s390_r1);
- /* OK, code address is now on r2. Move it to r1, so that we
- can restore r2 and use it from r1 later */
- s390_lgr (buf, s390_r1, s390_r2);
+ /* OK, code address is now on r2. Save it, so that we
+ can restore r2 and use it later */
+ s390_stg (buf, s390_r2, 0, STK_BASE, G_STRUCT_OFFSET(trampStack_t, saveFn));
+
+ /* Check for thread interruption */
+ S390_SET (buf, s390_r1, (guint8 *)mono_interruption_checkpoint_from_trampoline);
+ s390_basr (buf, s390_r14, s390_r1);
/*----------------------------------------------------------
STEP 3: Restore the LMF
----------------------------------------------------------*/
restoreLMF(buf, STK_BASE, sizeof(trampStack_t));
+ /* Reload result */
+ s390_lg (buf, s390_r1, 0, STK_BASE, G_STRUCT_OFFSET(trampStack_t, saveFn));
+
/*----------------------------------------------------------
STEP 4: call the compiled method
----------------------------------------------------------*/
/* 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_GENERICS_TRAMPOLINE, NULL);
+ MONO_PROFILER_RAISE (jit_code_buffer, (buf, code - buf, MONO_PROFILER_CODE_BUFFER_GENERICS_TRAMPOLINE, NULL));
g_assert (info);
tramp_name = mono_get_generic_trampoline_name (tramp_type);
/* 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));
+ 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);
g_free (rgctx_null_jumps);
/* move the rgctx pointer to the VTABLE register */
+#if MONO_ARCH_VTABLE_REG != s390_r2
s390_lgr (code, MONO_ARCH_VTABLE_REG, s390_r2);
+#endif
tramp = mono_arch_create_specific_trampoline (GUINT_TO_POINTER (slot),
MONO_TRAMPOLINE_RGCTX_LAZY_FETCH, mono_get_root_domain (), NULL);
s390_jg (code, displace);
mono_arch_flush_icache (buf, code - buf);
- mono_profiler_code_buffer_new (buf, code - buf, MONO_PROFILER_CODE_BUFFER_GENERICS_TRAMPOLINE, NULL);
+ MONO_PROFILER_RAISE (jit_code_buffer, (buf, code - buf, MONO_PROFILER_CODE_BUFFER_GENERICS_TRAMPOLINE, NULL));
g_assert (code - buf <= tramp_size);
/* */
/* Name - mono_arch_get_static_rgctx_trampoline */
/* */
-/* Function - Create a trampoline which sets RGCTX_REG to MRGCTX*/
+/* Function - Create a trampoline which sets RGCTX_REG to ARG */
/* then jumps to ADDR. */
/* */
/*------------------------------------------------------------------*/
gpointer
-mono_arch_get_static_rgctx_trampoline (MonoMethod *m,
- MonoMethodRuntimeGenericContext *mrgctx,
- gpointer addr)
+mono_arch_get_static_rgctx_trampoline (gpointer arg, gpointer addr)
{
guint8 *code, *start;
gint32 displace;
int buf_len;
- char trampName[128];
MonoDomain *domain = mono_domain_get ();
start = code = mono_domain_code_reserve (domain, buf_len);
- S390_SET (code, MONO_ARCH_RGCTX_REG, mrgctx);
+ 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_code_buffer_new (start, code - start, MONO_PROFILER_CODE_BUFFER_HELPER, NULL);
+ MONO_PROFILER_RAISE (jit_code_buffer, (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);
+ mono_tramp_info_register (mono_tramp_info_create (NULL, start, code - start, NULL, NULL), domain);
return(start);
}
/*------------------------------------------------------------------*/
/* */
-/* Name - handler_block_trampoline_helper */
-/* */
-/* Function - */
-/* */
-/*------------------------------------------------------------------*/
-
-static void
-handler_block_trampoline_helper (gpointer *ptr)
-{
- MonoJitTlsData *jit_tls = mono_native_tls_get_value (mono_jit_tls_id);
- *ptr = jit_tls->handler_block_return_address;
-}
-
-/*========================= End of Function ========================*/
-
-/*------------------------------------------------------------------*/
-/* */
-/* Name - mono_arch_create_handler_block_trampoline */
+/* Name - mono_arch_get_enter_icall_trampoline. */
/* */
-/* Function - */
+/* Function - */
/* */
/*------------------------------------------------------------------*/
gpointer
-mono_arch_create_handler_block_trampoline (MonoTrampInfo **info, gboolean aot)
+mono_arch_get_enter_icall_trampoline (MonoTrampInfo **info)
{
- guint8 *tramp = mono_get_trampoline_code (MONO_TRAMPOLINE_HANDLER_BLOCK_GUARD);
- guint8 *code, *buf;
- int tramp_size = 64;
- MonoJumpInfo *ji = NULL;
- GSList *unwind_ops = NULL;
-
- g_assert (!aot);
-
- code = buf = mono_global_codeman_reserve (tramp_size);
-
- /*
- * This trampoline restore the call chain of the handler block
- * then jumps into the code that deals with it.
- */
-
- if (mono_get_jit_tls_offset () != -1) {
- s390_ear (code, s390_r1, 0);
- s390_sllg (code, s390_r1, s390_r1, 0, 32);
- s390_ear (code, s390_r1, 1);
- S390_SET (code, s390_r14, mono_get_jit_tls_offset());
- s390_lg (code, s390_r14, s390_r1, 0, G_STRUCT_OFFSET(MonoJitTlsData, handler_block_return_address));
- /*
- * Simulate a call
- */
- S390_SET (code, s390_r1, tramp);
- s390_br (code, s390_r1);
- } else {
- /*
- * Slow path uses a C helper
- */
- S390_SET (code, s390_r2, tramp);
- S390_SET (code, s390_r1, handler_block_trampoline_helper);
- s390_br (code, s390_r1);
- }
-
- mono_arch_flush_icache (buf, code - buf);
- mono_profiler_code_buffer_new (buf, code - buf, MONO_PROFILER_CODE_BUFFER_HELPER, NULL);
- g_assert (code - buf <= tramp_size);
-
- *info = mono_tramp_info_create ("handler_block_trampoline", buf, code - buf, ji, unwind_ops);
-
- return buf;
+ g_assert_not_reached ();
+ return NULL;
}
/*========================= End of Function ========================*/