#include <mono/metadata/marshal.h>
#include <mono/metadata/tabledefs.h>
#include <mono/utils/mono-counters.h>
-
-#ifdef HAVE_VALGRIND_MEMCHECK_H
-#include <valgrind/memcheck.h>
-#endif
+#include <mono/utils/mono-error-internals.h>
#include "mini.h"
#include "debug-mini.h"
static GHashTable *class_init_hash_addr = NULL;
static GHashTable *rgctx_lazy_fetch_trampoline_hash = NULL;
static GHashTable *rgctx_lazy_fetch_trampoline_hash_addr = NULL;
+static guint32 trampoline_calls, jit_trampolines, unbox_trampolines, static_rgctx_trampolines;
#define mono_trampolines_lock() EnterCriticalSection (&trampolines_mutex)
#define mono_trampolines_unlock() LeaveCriticalSection (&trampolines_mutex)
static CRITICAL_SECTION trampolines_mutex;
static gpointer
-get_unbox_trampoline (MonoGenericSharingContext *gsctx, MonoMethod *m, gpointer addr, gboolean need_rgctx_tramp)
+get_unbox_trampoline (MonoMethod *m, gpointer addr, gboolean need_rgctx_tramp)
{
if (mono_aot_only) {
if (need_rgctx_tramp)
else
return mono_aot_get_unbox_trampoline (m);
} else {
- return mono_arch_get_unbox_trampoline (gsctx, m, addr);
+ unbox_trampolines ++;
+ return mono_arch_get_unbox_trampoline (m, addr);
}
}
#ifdef MONO_ARCH_HAVE_STATIC_RGCTX_TRAMPOLINE
+
+typedef struct {
+ MonoMethod *m;
+ gpointer addr;
+} RgctxTrampInfo;
+
+static gint
+rgctx_tramp_info_equal (gconstpointer ka, gconstpointer kb)
+{
+ const RgctxTrampInfo *i1 = ka;
+ const RgctxTrampInfo *i2 = kb;
+
+ if (i1->m == i2->m && i1->addr == i2->addr)
+ return 1;
+ else
+ return 0;
+}
+
+static guint
+rgctx_tramp_info_hash (gconstpointer data)
+{
+ const RgctxTrampInfo *info = data;
+
+ return GPOINTER_TO_UINT (info->m) ^ GPOINTER_TO_UINT (info->addr);
+}
+
/*
* mono_create_static_rgctx_trampoline:
*
* methods code. These trampolines are similar to the unbox trampolines, they
* perform the same task as the static rgctx wrappers, but they are smaller/faster,
* and can be made to work with full AOT.
+ * On PPC addr should be an ftnptr and the return value is an ftnptr too.
*/
gpointer
mono_create_static_rgctx_trampoline (MonoMethod *m, gpointer addr)
gpointer ctx;
gpointer res;
MonoDomain *domain;
+ RgctxTrampInfo tmp_info;
+ RgctxTrampInfo *info;
+
+#ifdef PPC_USES_FUNCTION_DESCRIPTOR
+ g_assert (((gpointer*)addr) [2] == 0);
+#endif
if (mini_method_get_context (m)->method_inst)
ctx = mono_method_lookup_rgctx (mono_class_vtable (mono_domain_get (), m->klass), mini_method_get_context (m)->method_inst);
else
ctx = mono_class_vtable (mono_domain_get (), m->klass);
- if (mono_aot_only)
- return mono_aot_get_static_rgctx_trampoline (ctx, addr);
-
domain = mono_domain_get ();
+ /*
+ * In the AOT case, addr might point to either the method, or to an unbox trampoline,
+ * so make the hash keyed on the m+addr pair.
+ */
mono_domain_lock (domain);
+ if (!domain_jit_info (domain)->static_rgctx_trampoline_hash)
+ domain_jit_info (domain)->static_rgctx_trampoline_hash = g_hash_table_new (rgctx_tramp_info_hash, rgctx_tramp_info_equal);
+ tmp_info.m = m;
+ tmp_info.addr = addr;
res = g_hash_table_lookup (domain_jit_info (domain)->static_rgctx_trampoline_hash,
- m);
+ &tmp_info);
mono_domain_unlock (domain);
if (res)
return res;
- res = mono_arch_get_static_rgctx_trampoline (m, ctx, addr);
+ if (mono_aot_only)
+ res = mono_aot_get_static_rgctx_trampoline (ctx, addr);
+ else
+ res = mono_arch_get_static_rgctx_trampoline (m, ctx, addr);
mono_domain_lock (domain);
/* Duplicates inserted while we didn't hold the lock are OK */
- g_hash_table_insert (domain_jit_info (domain)->static_rgctx_trampoline_hash, m, res);
+ info = mono_domain_alloc (domain, sizeof (RgctxTrampInfo));
+ info->m = m;
+ info->addr = addr;
+ g_hash_table_insert (domain_jit_info (domain)->static_rgctx_trampoline_hash, info, res);
mono_domain_unlock (domain);
+ static_rgctx_trampolines ++;
+
return res;
}
#else
}
#endif
-gpointer*
-mono_get_vcall_slot_addr (guint8* code, mgreg_t *regs)
-{
- gpointer vt;
- int displacement;
- vt = mono_arch_get_vcall_slot (code, regs, &displacement);
- if (!vt)
- return NULL;
- return (gpointer*)((char*)vt + displacement);
-}
-
#ifdef MONO_ARCH_HAVE_IMT
+/*
+ * Either IMPL_METHOD or AOT_ADDR will be set on return.
+ */
static gpointer*
-mono_convert_imt_slot_to_vtable_slot (gpointer* slot, mgreg_t *regs, guint8 *code, MonoMethod *method, MonoMethod **impl_method, gboolean *need_rgctx_tramp)
+mono_convert_imt_slot_to_vtable_slot (gpointer* slot, mgreg_t *regs, guint8 *code, MonoMethod *method, MonoMethod **impl_method, gboolean *need_rgctx_tramp, gboolean *variance_used, gpointer *aot_addr)
{
- MonoGenericSharingContext *gsctx = mono_get_generic_context_from_code (code);
- MonoObject *this_argument = mono_arch_find_this_argument (regs, method, gsctx);
+ MonoObject *this_argument = mono_arch_get_this_arg_from_call (regs, code);
MonoVTable *vt = this_argument->vtable;
int displacement = slot - ((gpointer*)vt);
return slot;
} else {
MonoMethod *imt_method = mono_arch_find_imt_method (regs, code);
+ MonoMethod *impl;
int interface_offset;
int imt_slot = MONO_IMT_SIZE + displacement;
- interface_offset = mono_class_interface_offset (vt->klass, imt_method->klass);
+ /*This has to be variance aware since imt_method can be from an interface that vt->klass doesn't directly implement*/
+ interface_offset = mono_class_interface_offset_with_variance (vt->klass, imt_method->klass, variance_used);
if (interface_offset < 0) {
- g_print ("%s doesn't implement interface %s\n", mono_type_get_name_full (&vt->klass->byval_arg, 0), mono_type_get_name_full (&imt_method->klass->byval_arg, 0));
- g_assert_not_reached ();
+ g_error ("%s doesn't implement interface %s\n", mono_type_get_name_full (&vt->klass->byval_arg, 0), mono_type_get_name_full (&imt_method->klass->byval_arg, 0));
}
mono_vtable_build_imt_slot (vt, mono_method_get_imt_slot (imt_method));
- if (impl_method) {
- MonoMethod *impl;
+ if (imt_method->is_inflated && ((MonoMethodInflated*)imt_method)->context.method_inst) {
+ MonoGenericContext context = { NULL, NULL };
- if (imt_method->is_inflated && ((MonoMethodInflated*)imt_method)->context.method_inst) {
- MonoGenericContext context = { NULL, NULL };
+ /*
+ * Generic virtual method, imt_method contains the inflated interface
+ * method, need to get the inflated impl method.
+ */
+ /* imt_method->slot might not be set */
+ impl = mono_class_get_vtable_entry (vt->klass, interface_offset + mono_method_get_declaring_generic_method (imt_method)->slot);
- /*
- * Generic virtual method, imt_method contains the inflated interface
- * method, need to get the inflated impl method.
- */
- /* imt_method->slot might not be set */
- impl = mono_class_get_vtable_entry (vt->klass, interface_offset + mono_method_get_declaring_generic_method (imt_method)->slot);
-
- if (impl->klass->generic_class)
- context.class_inst = impl->klass->generic_class->context.class_inst;
- context.method_inst = ((MonoMethodInflated*)imt_method)->context.method_inst;
- impl = mono_class_inflate_generic_method (impl, &context);
- } else {
- impl = mono_class_get_vtable_entry (vt->klass, interface_offset + imt_method->slot);
- }
+ if (impl->klass->generic_class)
+ context.class_inst = impl->klass->generic_class->context.class_inst;
+ context.method_inst = ((MonoMethodInflated*)imt_method)->context.method_inst;
+ impl = mono_class_inflate_generic_method (impl, &context);
+ } else {
+ /* Avoid loading metadata or creating a generic vtable if possible */
+ if (!vt->klass->valuetype)
+ *aot_addr = mono_aot_get_method_from_vt_slot (mono_domain_get (), vt, interface_offset + mono_method_get_vtable_slot (imt_method));
+ else
+ *aot_addr = NULL;
+ if (*aot_addr)
+ impl = NULL;
+ else
+ impl = mono_class_get_vtable_entry (vt->klass, interface_offset + mono_method_get_vtable_slot (imt_method));
+ }
- if (mono_method_needs_static_rgctx_invoke (impl, FALSE))
- *need_rgctx_tramp = TRUE;
+ if (impl && mono_method_needs_static_rgctx_invoke (impl, FALSE))
+ *need_rgctx_tramp = TRUE;
- *impl_method = impl;
+ *impl_method = impl;
#if DEBUG_IMT
printf ("mono_convert_imt_slot_to_vtable_slot: method = %s.%s.%s, imt_method = %s.%s.%s\n",
method->klass->name_space, method->klass->name, method->name,
imt_method->klass->name_space, imt_method->klass->name, imt_method->name);
#endif
- }
+
g_assert (imt_slot < MONO_IMT_SIZE);
if (vt->imt_collisions_bitmap & (1 << imt_slot)) {
- int vtable_offset = interface_offset + mono_method_get_vtable_index (imt_method);
- gpointer *vtable_slot = & (vt->vtable [vtable_offset]);
+ int slot = mono_method_get_vtable_index (imt_method);
+ int vtable_offset;
+ gpointer *vtable_slot;
+
+ g_assert (slot != -1);
+ vtable_offset = interface_offset + slot;
+ vtable_slot = & (vt->vtable [vtable_offset]);
#if DEBUG_IMT
printf ("mono_convert_imt_slot_to_vtable_slot: slot %p[%d] is in the IMT, and colliding becomes %p[%d] (interface_offset = %d, method->slot = %d)\n", slot, imt_slot, vtable_slot, vtable_offset, interface_offset, imt_method->slot);
#endif
}
#endif
+/*
+ * This is a super-ugly hack to fix bug #616463.
+ *
+ * The problem is that we don't always set is_generic for generic
+ * method definitions. See the comment at the end of
+ * mono_class_inflate_generic_method_full_checked() in class.c.
+ */
+static gboolean
+is_generic_method_definition (MonoMethod *m)
+{
+ MonoGenericContext *context;
+ if (m->is_generic)
+ return TRUE;
+ if (!m->is_inflated)
+ return FALSE;
+
+ context = mono_method_get_context (m);
+ if (!context->method_inst)
+ return FALSE;
+ if (context->method_inst == mono_method_get_generic_container (((MonoMethodInflated*)m)->declaring)->context.method_inst)
+ return TRUE;
+ return FALSE;
+}
+
/**
- * mono_magic_trampoline:
+ * common_call_trampoline:
*
- * This trampoline handles calls from JITted code.
+ * The code to handle normal, virtual, and interface method calls and jumps, both
+ * from JITted and LLVM compiled code.
*/
-gpointer
-mono_magic_trampoline (mgreg_t *regs, guint8 *code, gpointer arg, guint8* tramp)
+static gpointer
+common_call_trampoline (mgreg_t *regs, guint8 *code, MonoMethod *m, guint8* tramp, MonoVTable *vt, gpointer *vtable_slot, gboolean need_rgctx_tramp)
{
- gpointer addr;
- gpointer *vtable_slot;
+ gpointer addr, compiled_method;
gboolean generic_shared = FALSE;
- MonoMethod *m;
MonoMethod *declaring = NULL;
- MonoMethod *generic_virtual = NULL;
+ MonoMethod *generic_virtual = NULL, *variant_iface = NULL;
int context_used;
- gboolean proxy = FALSE;
- gboolean need_rgctx_tramp = FALSE;
+ gboolean virtual, proxy = FALSE, variance_used = FALSE;
+ gpointer *orig_vtable_slot, *vtable_slot_to_patch = NULL;
+ MonoJitInfo *ji = NULL;
- m = arg;
-
- if (m == MONO_FAKE_VTABLE_METHOD) {
- int displacement;
- MonoVTable *vt = mono_arch_get_vcall_slot (code, regs, &displacement);
- if (!vt) {
- int i;
- MonoJitInfo *ji;
-
- ji = mono_jit_info_table_find (mono_domain_get (), (char*)code);
- if (ji)
- printf ("Caller: %s\n", mono_method_full_name (ji->method, TRUE));
- /* Print some debug info */
- for (i = 0; i < 32; ++i)
- printf ("0x%x ", code [-32 + i]);
- printf ("\n");
- g_assert (vt);
- }
- if (displacement > 0) {
- displacement -= G_STRUCT_OFFSET (MonoVTable, vtable);
- g_assert (displacement >= 0);
- displacement /= sizeof (gpointer);
+ virtual = (gpointer)vtable_slot > (gpointer)vt;
- /* Avoid loading metadata or creating a generic vtable if possible */
- addr = mono_aot_get_method_from_vt_slot (mono_domain_get (), vt, displacement);
- if (addr)
- addr = mono_create_ftnptr (mono_domain_get (), addr);
- if (addr && !vt->klass->valuetype) {
- vtable_slot = mono_get_vcall_slot_addr (code, regs);
- if (mono_aot_is_got_entry (code, (guint8*)vtable_slot) || mono_domain_owns_vtable_slot (mono_domain_get (), vtable_slot)) {
- *vtable_slot = mono_get_addr_from_ftnptr (addr);
- }
-
- return addr;
- }
+ orig_vtable_slot = vtable_slot;
+ vtable_slot_to_patch = vtable_slot;
- m = mono_class_get_vtable_entry (vt->klass, displacement);
- if (mono_method_needs_static_rgctx_invoke (m, FALSE))
- need_rgctx_tramp = TRUE;
-
- /*g_print ("%s with disp %d: %s at %p\n", vt->klass->name, displacement, m->name, code);*/
- } else {
- /* We got here from an interface method: redirect to IMT handling */
- m = MONO_FAKE_IMT_METHOD;
- /*g_print ("vtable with disp %d at %p\n", displacement, code);*/
- }
- }
-
- /* this is the IMT trampoline */
#ifdef MONO_ARCH_HAVE_IMT
- if (m == MONO_FAKE_IMT_METHOD) {
- MonoMethod *impl_method;
- MonoGenericSharingContext *gsctx;
+ /* IMT call */
+ if (vt && (gpointer)vtable_slot < (gpointer)vt) {
+ MonoMethod *impl_method = NULL;
MonoObject *this_arg;
/* we get the interface method because mono_convert_imt_slot_to_vtable_slot ()
* needs the signature to be able to find the this argument
*/
m = mono_arch_find_imt_method (regs, code);
- vtable_slot = mono_get_vcall_slot_addr (code, regs);
+ vtable_slot = orig_vtable_slot;
g_assert (vtable_slot);
- gsctx = mono_get_generic_context_from_code (code);
- this_arg = mono_arch_find_this_argument (regs, m, gsctx);
+ this_arg = mono_arch_get_this_arg_from_call (regs, code);
if (this_arg->vtable->klass == mono_defaults.transparent_proxy_class) {
/* Use the slow path for now */
proxy = TRUE;
m = mono_object_get_virtual_method (this_arg, m);
+ vtable_slot_to_patch = NULL;
} else {
- vtable_slot = mono_convert_imt_slot_to_vtable_slot (vtable_slot, regs, code, m, &impl_method, &need_rgctx_tramp);
+ addr = NULL;
+ vtable_slot = mono_convert_imt_slot_to_vtable_slot (vtable_slot, regs, code, m, &impl_method, &need_rgctx_tramp, &variance_used, &addr);
+ /* This is the vcall slot which gets called through the IMT thunk */
+ vtable_slot_to_patch = vtable_slot;
/* mono_convert_imt_slot_to_vtable_slot () also gives us the method that is supposed
* to be called, so we compile it and go ahead as usual.
*/
if (m->is_inflated && ((MonoMethodInflated*)m)->context.method_inst) {
/* Generic virtual method */
generic_virtual = m;
- m = impl_method;
need_rgctx_tramp = TRUE;
- } else {
- m = impl_method;
+ } else if (variance_used && mono_class_has_variant_generic_params (m->klass)) {
+ variant_iface = m;
+ }
+
+ if (addr && !generic_virtual && !variant_iface) {
+ /*
+ * We found AOT compiled code for the method, skip the rest.
+ */
+ if (mono_domain_owns_vtable_slot (mono_domain_get (), vtable_slot))
+ *vtable_slot = addr;
+
+ return mono_create_ftnptr (mono_domain_get (), addr);
}
+
+ m = impl_method;
}
}
#endif
- if (m->is_generic) {
+ /*
+ * The virtual check is needed because is_generic_method_definition (m) could
+ * return TRUE for methods used in IMT calls too.
+ */
+ if (virtual && is_generic_method_definition (m)) {
MonoGenericContext context = { NULL, NULL };
MonoMethod *declaring;
#endif
} else {
#ifdef MONO_ARCH_HAVE_IMT
- MonoObject *this_argument = mono_arch_find_this_argument (regs, m,
- mono_get_generic_context_from_code (code));
+ MonoObject *this_argument = mono_arch_get_this_arg_from_call (regs, code);
vt = this_argument->vtable;
- vtable_slot = mono_get_vcall_slot_addr (code, regs);
+ vtable_slot = orig_vtable_slot;
g_assert (this_argument->vtable->klass->inited);
//mono_class_init (this_argument->vtable->klass);
}
g_assert (klass);
+ g_assert (actual_method);
g_assert (actual_method->klass == klass);
if (actual_method->is_inflated)
MonoJitInfo *ji;
if (code)
- ji = mono_jit_info_table_find (mono_domain_get (), (char*)code);
+ ji = mini_jit_info_table_find (mono_domain_get (), (char*)code, NULL);
else
ji = NULL;
if (!code && mono_method_needs_static_rgctx_invoke (m, FALSE))
need_rgctx_tramp = TRUE;
- addr = mono_compile_method (m);
+ addr = compiled_method = mono_compile_method (m);
g_assert (addr);
- mono_debugger_trampoline_compiled (m, addr);
+ mono_debugger_trampoline_compiled (code, m, addr);
if (need_rgctx_tramp)
addr = mono_create_static_rgctx_trampoline (m, addr);
- if (generic_virtual) {
- int displacement;
- MonoVTable *vt = mono_arch_get_vcall_slot (code, regs, &displacement);
+ if (generic_virtual || variant_iface) {
+ MonoMethod *target = generic_virtual ? generic_virtual : variant_iface;
- vtable_slot = mono_get_vcall_slot_addr (code, regs);
+ vtable_slot = orig_vtable_slot;
g_assert (vtable_slot);
- if (vt->klass->valuetype)
- addr = get_unbox_trampoline (mono_get_generic_context_from_code (code), m, addr, need_rgctx_tramp);
+ if (vt->klass->valuetype) /*FIXME is this required variant iface?*/
+ addr = get_unbox_trampoline (m, addr, need_rgctx_tramp);
mono_method_add_generic_virtual_invocation (mono_domain_get (),
vt, vtable_slot,
- generic_virtual, addr);
+ target, addr);
return addr;
}
return addr;
}
- vtable_slot = mono_get_vcall_slot_addr (code, regs);
+ vtable_slot = orig_vtable_slot;
if (vtable_slot) {
if (m->klass->valuetype)
- addr = get_unbox_trampoline (mono_get_generic_context_from_code (code), m, addr, need_rgctx_tramp);
- g_assert (*vtable_slot);
+ addr = get_unbox_trampoline (m, addr, need_rgctx_tramp);
- if (!proxy && (mono_aot_is_got_entry (code, (guint8*)vtable_slot) || mono_domain_owns_vtable_slot (mono_domain_get (), vtable_slot))) {
-#ifdef MONO_ARCH_HAVE_IMT
- vtable_slot = mono_convert_imt_slot_to_vtable_slot (vtable_slot, regs, code, m, NULL, &need_rgctx_tramp);
-#endif
- *vtable_slot = mono_get_addr_from_ftnptr (addr);
+ if (vtable_slot_to_patch && (mono_aot_is_got_entry (code, (guint8*)vtable_slot_to_patch) || mono_domain_owns_vtable_slot (mono_domain_get (), vtable_slot_to_patch))) {
+ g_assert (*vtable_slot_to_patch);
+ *vtable_slot_to_patch = mono_get_addr_from_ftnptr (addr);
}
}
else {
guint8 *plt_entry = mono_aot_get_plt_entry (code);
if (plt_entry) {
- mono_arch_patch_plt_entry (plt_entry, NULL, regs, addr);
- } else if (!generic_shared || (m->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) ||
- mono_domain_lookup_shared_generic (mono_domain_get (), declaring)) {
+ mono_aot_patch_plt_entry (plt_entry, NULL, regs, addr);
+ } else {
if (generic_shared) {
if (m->wrapper_type != MONO_WRAPPER_NONE)
m = mono_marshal_method_from_wrapper (m);
}
/* Patch calling code */
- if (plt_entry) {
-
- } else {
- MonoJitInfo *ji =
- mono_jit_info_table_find (mono_domain_get (), (char*)code);
+ {
MonoJitInfo *target_ji =
- mono_jit_info_table_find (mono_domain_get (), mono_get_addr_from_ftnptr (addr));
+ mono_jit_info_table_find (mono_domain_get (), mono_get_addr_from_ftnptr (compiled_method));
+
+ if (!ji)
+ ji = mono_jit_info_table_find (mono_domain_get (), (char*)code);
if (mono_method_same_domain (ji, target_ji))
mono_arch_patch_callsite (ji->code_start, code, addr);
return addr;
}
-
-#ifdef ENABLE_LLVM
+
+/**
+ * mono_magic_trampoline:
+ *
+ * This trampoline handles normal calls from JITted code.
+ */
+gpointer
+mono_magic_trampoline (mgreg_t *regs, guint8 *code, gpointer arg, guint8* tramp)
+{
+ trampoline_calls ++;
+
+ return common_call_trampoline (regs, code, arg, tramp, NULL, NULL, FALSE);
+}
+
/*
- * mono_llvm_vcall_trampoline:
+ * mono_vcall_trampoline:
*
- * This trampoline handles virtual calls when using LLVM.
+ * This trampoline handles virtual calls.
*/
static gpointer
-mono_llvm_vcall_trampoline (mgreg_t *regs, guint8 *code, MonoMethod *m, guint8 *tramp)
+mono_vcall_trampoline (mgreg_t *regs, guint8 *code, int slot, guint8 *tramp)
{
MonoObject *this;
- gpointer addr;
MonoVTable *vt;
gpointer *vtable_slot;
- gboolean proxy = FALSE;
+ MonoMethod *m;
gboolean need_rgctx_tramp = FALSE;
+ gpointer addr;
- /*
- * We have the method which is called, we need to obtain the vtable slot without
- * disassembly which is impossible with LLVM.
- * So we use the this argument.
+ trampoline_calls ++;
+
+ /*
+ * We need to obtain the following pieces of information:
+ * - the method which needs to be compiled.
+ * - the vtable slot.
+ * We use one vtable trampoline per vtable slot index, so we need only the vtable,
+ * the other two can be computed from the vtable + the slot index.
+ */
+#ifndef MONO_ARCH_THIS_AS_FIRST_ARG
+ /* All architectures should support this */
+ g_assert_not_reached ();
+#endif
+
+ /*
+ * Obtain the vtable from the 'this' arg.
*/
- this = mono_arch_get_this_arg_from_call (NULL, mono_method_signature (m), regs, code);
+ this = mono_arch_get_this_arg_from_call (regs, code);
g_assert (this);
vt = this->vtable;
- g_assert (!m->is_generic);
-
- /* This is a simplified version of mono_magic_trampoline () */
- /* FIXME: Avoid code duplication */
+ if (slot >= 0) {
+ /* Normal virtual call */
+ vtable_slot = &(vt->vtable [slot]);
- if (m->iflags & METHOD_IMPL_ATTRIBUTE_SYNCHRONIZED) {
- MonoJitInfo *ji;
+ /* Avoid loading metadata or creating a generic vtable if possible */
+ addr = mono_aot_get_method_from_vt_slot (mono_domain_get (), vt, slot);
+ if (addr && !vt->klass->valuetype) {
+ if (mono_domain_owns_vtable_slot (mono_domain_get (), vtable_slot))
+ *vtable_slot = addr;
- if (code)
- ji = mono_jit_info_table_find (mono_domain_get (), (char*)code);
- else
- ji = NULL;
-
- /* Avoid recursion */
- if (!(ji && ji->method->wrapper_type == MONO_WRAPPER_SYNCHRONIZED))
- m = mono_marshal_get_synchronized_wrapper (m);
- }
-
- addr = mono_compile_method (m);
- g_assert (addr);
-
- if (m->klass->valuetype)
- addr = get_unbox_trampoline (mono_get_generic_context_from_code (code), m, addr, need_rgctx_tramp);
+ return mono_create_ftnptr (mono_domain_get (), addr);
+ }
- vtable_slot = &(vt->vtable [mono_method_get_vtable_slot (m)]);
- g_assert (*vtable_slot);
+ /*
+ * Bug #616463 (see
+ * is_generic_method_definition() above) also
+ * goes away if we do a
+ * mono_class_setup_vtable (vt->klass) here,
+ * because we then inflate the method
+ * correctly, put it in the cache, and the
+ * "wrong" inflation invocation still looks up
+ * the correctly inflated method.
+ *
+ * The hack above seems more stable and
+ * trustworthy.
+ */
+ m = mono_class_get_vtable_entry (vt->klass, slot);
- if (!proxy && (mono_aot_is_got_entry (code, (guint8*)vtable_slot) || mono_domain_owns_vtable_slot (mono_domain_get (), vtable_slot))) {
-#ifdef MONO_ARCH_HAVE_IMT
- vtable_slot = mono_convert_imt_slot_to_vtable_slot (vtable_slot, regs, code, m, NULL, &need_rgctx_tramp);
-#endif
- *vtable_slot = mono_get_addr_from_ftnptr (addr);
- }
+ need_rgctx_tramp = mono_method_needs_static_rgctx_invoke (m, 0);
+ } else {
+ /* IMT call */
+ vtable_slot = &(((gpointer*)vt) [slot]);
- mono_debugger_trampoline_compiled (m, addr);
+ m = NULL;
+ need_rgctx_tramp = FALSE;
+ }
- return addr;
+ return common_call_trampoline (regs, code, m, tramp, vt, vtable_slot, need_rgctx_tramp);
}
-#endif
gpointer
mono_generic_virtual_remoting_trampoline (mgreg_t *regs, guint8 *code, MonoMethod *m, guint8 *tramp)
MonoMethod *imt_method, *declaring;
gpointer addr;
+ trampoline_calls ++;
+
g_assert (m->is_generic);
if (m->is_inflated)
addr = mono_compile_method (m);
g_assert (addr);
- mono_debugger_trampoline_compiled (m, addr);
+ mono_debugger_trampoline_compiled (NULL, m, addr);
return addr;
}
guint32 token;
MonoMethod *method = NULL;
gpointer addr;
- gpointer *vtable_slot;
- gboolean is_got_entry;
guint8 *plt_entry;
- gboolean need_rgctx_tramp = FALSE;
+
+ trampoline_calls ++;
image = *(gpointer*)(gpointer)token_info;
token_info += sizeof (gpointer);
addr = mono_create_ftnptr (mono_domain_get (), addr);
- vtable_slot = mono_get_vcall_slot_addr (code, regs);
- g_assert (!vtable_slot);
-
/* This is a normal call through a PLT entry */
plt_entry = mono_aot_get_plt_entry (code);
g_assert (plt_entry);
- mono_arch_patch_plt_entry (plt_entry, NULL, regs, addr);
-
- is_got_entry = FALSE;
-
- /*
- * Since AOT code is only used in the root domain,
- * mono_domain_get () != mono_get_root_domain () means the calling method
- * is AppDomain:InvokeInDomain, so this is the same check as in
- * mono_method_same_domain () but without loading the metadata for the method.
- */
- if ((is_got_entry && (mono_domain_get () == mono_get_root_domain ())) || mono_domain_owns_vtable_slot (mono_domain_get (), vtable_slot)) {
-#ifdef MONO_ARCH_HAVE_IMT
- if (!method)
- method = mono_get_method (image, token, NULL);
- vtable_slot = mono_convert_imt_slot_to_vtable_slot (vtable_slot, regs, code, method, NULL, &need_rgctx_tramp);
-#endif
- *vtable_slot = addr;
- }
+ mono_aot_patch_plt_entry (plt_entry, NULL, regs, addr);
return addr;
}
guint8* tramp)
{
guint32 plt_info_offset = mono_aot_get_plt_info_offset (regs, code);
+ gpointer res;
+
+ trampoline_calls ++;
+
+ res = mono_aot_plt_resolve (aot_module, plt_info_offset, code);
+ if (!res) {
+ if (mono_loader_get_last_error ())
+ mono_raise_exception (mono_loader_error_prepare_exception (mono_loader_get_last_error ()));
+ // FIXME: Error handling (how ?)
+ g_assert (res);
+ }
- return mono_aot_plt_resolve (aot_module, plt_info_offset, code);
+ return res;
}
#endif
{
guint8 *plt_entry = mono_aot_get_plt_entry (code);
+ trampoline_calls ++;
+
mono_runtime_class_init (vtable);
if (plt_entry) {
void
mono_generic_class_init_trampoline (mgreg_t *regs, guint8 *code, MonoVTable *vtable, guint8 *tramp)
{
+ trampoline_calls ++;
+
mono_runtime_class_init (vtable);
}
guint32 index = MONO_RGCTX_SLOT_INDEX (slot);
gboolean mrgctx = MONO_RGCTX_SLOT_IS_MRGCTX (slot);
+ trampoline_calls ++;
+
if (!inited) {
mono_counters_register ("RGCTX unmanaged lookups", MONO_COUNTER_GENERICS | MONO_COUNTER_INT, &num_lookups);
inited = TRUE;
MonoJitInfo *ji;
MonoMethod *m;
MonoMethod *method = NULL;
- gboolean multicast, callvirt;
+ gboolean multicast, callvirt = FALSE;
gboolean need_rgctx_tramp = FALSE;
+ gboolean enable_caching = TRUE;
MonoMethod *invoke = tramp_data [0];
guint8 *impl_this = tramp_data [1];
guint8 *impl_nothis = tramp_data [2];
+ MonoError err;
+ MonoMethodSignature *sig;
- /* Obtain the delegate object according to the calling convention */
+ trampoline_calls ++;
- /*
- * Avoid calling mono_get_generic_context_from_code () now since it is expensive,
- * get_this_arg_from_call will call it if needed.
- */
- delegate = mono_arch_get_this_arg_from_call (NULL, mono_method_signature (invoke), regs, code);
+ /* Obtain the delegate object according to the calling convention */
+ delegate = mono_arch_get_this_arg_from_call (regs, code);
if (delegate->method) {
method = delegate->method;
#endif
method = mono_marshal_get_remoting_invoke (method);
}
- else if (mono_method_signature (method)->hasthis && method->klass->valuetype)
- method = mono_marshal_get_unbox_wrapper (method);
+ else {
+ mono_error_init (&err);
+ sig = mono_method_signature_checked (method, &err);
+ if (!sig)
+ mono_error_raise_exception (&err);
+
+ if (sig->hasthis && method->klass->valuetype)
+ method = mono_marshal_get_unbox_wrapper (method);
+ }
} else {
ji = mono_jit_info_table_find (domain, mono_get_addr_from_ftnptr (delegate->method_ptr));
if (ji)
method = ji->method;
}
- callvirt = !delegate->target && method && mono_method_signature (method)->hasthis;
+
+ if (method) {
+ mono_error_init (&err);
+ sig = mono_method_signature_checked (method, &err);
+ if (!sig)
+ mono_error_raise_exception (&err);
+
+ callvirt = !delegate->target && sig->hasthis;
+ if (delegate->target && method->flags & METHOD_ATTRIBUTE_VIRTUAL && method->klass->flags & TYPE_ATTRIBUTE_ABSTRACT) {
+ method = mono_object_get_virtual_method (delegate->target, method);
+ enable_caching = FALSE;
+ }
+ }
if (method && method->iflags & METHOD_IMPL_ATTRIBUTE_SYNCHRONIZED)
method = mono_marshal_get_synchronized_wrapper (method);
*/
if (method && !callvirt) {
/* Avoid the overhead of looking up an already compiled method if possible */
- if (delegate->method_code && *delegate->method_code) {
+ if (enable_caching && delegate->method_code && *delegate->method_code) {
delegate->method_ptr = *delegate->method_code;
} else {
delegate->method_ptr = mono_compile_method (method);
- if (delegate->method_code)
+ if (need_rgctx_tramp)
+ delegate->method_ptr = mono_create_static_rgctx_trampoline (method, delegate->method_ptr);
+ if (enable_caching && delegate->method_code)
*delegate->method_code = delegate->method_ptr;
- mono_debugger_trampoline_compiled (method, delegate->method_ptr);
+ mono_debugger_trampoline_compiled (NULL, method, delegate->method_ptr);
}
+ } else {
+ if (need_rgctx_tramp)
+ delegate->method_ptr = mono_create_static_rgctx_trampoline (method, delegate->method_ptr);
}
- if (need_rgctx_tramp)
- delegate->method_ptr = mono_create_static_rgctx_trampoline (method, delegate->method_ptr);
-
multicast = ((MonoMulticastDelegate*)delegate)->prev != NULL;
if (!multicast && !callvirt) {
if (method && (method->flags & METHOD_ATTRIBUTE_STATIC) && mono_method_signature (method)->param_count == mono_method_signature (invoke)->param_count + 1)
m = mono_marshal_get_delegate_invoke (invoke, delegate);
code = mono_compile_method (m);
delegate->invoke_impl = mono_get_addr_from_ftnptr (code);
- mono_debugger_trampoline_compiled (m, delegate->invoke_impl);
+ mono_debugger_trampoline_compiled (NULL, m, delegate->invoke_impl);
return code;
}
#endif
+#ifdef MONO_ARCH_HAVE_HANDLER_BLOCK_GUARD
+static gpointer
+mono_handler_block_guard_trampoline (mgreg_t *regs, guint8 *code, gpointer *tramp_data, guint8* tramp)
+{
+ MonoContext ctx;
+ MonoException *exc;
+ MonoJitTlsData *jit_tls = TlsGetValue (mono_jit_tls_id);
+ gpointer resume_ip = jit_tls->handler_block_return_address;
+
+ memcpy (&ctx, &jit_tls->handler_block_context, sizeof (MonoContext));
+ MONO_CONTEXT_SET_IP (&ctx, jit_tls->handler_block_return_address);
+
+ jit_tls->handler_block_return_address = NULL;
+ jit_tls->handler_block = NULL;
+
+ if (!resume_ip) /*this should not happen, but we should avoid crashing */
+ exc = mono_get_exception_execution_engine ("Invalid internal state, resuming abort after handler block but no resume ip found");
+ else
+ exc = mono_thread_resume_interruption ();
+
+ if (exc) {
+ static void (*restore_context) (MonoContext *);
+
+ if (!restore_context)
+ restore_context = mono_get_restore_context ();
+
+ mono_handle_exception (&ctx, exc, NULL, FALSE);
+ restore_context (&ctx);
+ }
+
+ return resume_ip;
+}
+
+gpointer
+mono_create_handler_block_trampoline (void)
+{
+ static gpointer code;
+
+ if (mono_aot_only) {
+ g_assert (0);
+ return code;
+ }
+
+ mono_trampolines_lock ();
+
+ if (!code)
+ code = mono_arch_create_handler_block_trampoline ();
+
+ mono_trampolines_unlock ();
+
+ return code;
+}
+#endif
+
/*
* mono_get_trampoline_func:
*
return mono_monitor_enter_trampoline;
case MONO_TRAMPOLINE_MONITOR_EXIT:
return mono_monitor_exit_trampoline;
-#ifdef ENABLE_LLVM
- case MONO_TRAMPOLINE_LLVM_VCALL:
- return mono_llvm_vcall_trampoline;
+ case MONO_TRAMPOLINE_VCALL:
+ return mono_vcall_trampoline;
+#ifdef MONO_ARCH_HAVE_HANDLER_BLOCK_GUARD
+ case MONO_TRAMPOLINE_HANDLER_BLOCK_GUARD:
+ return mono_handler_block_guard_trampoline;
#endif
default:
g_assert_not_reached ();
}
}
+static guchar*
+create_trampoline_code (MonoTrampolineType tramp_type)
+{
+ MonoTrampInfo *info;
+ guchar *code;
+
+ code = mono_arch_create_generic_trampoline (tramp_type, &info, FALSE);
+ if (info) {
+ mono_save_trampoline_xdebug_info (info);
+ if (mono_jit_map_is_enabled ())
+ mono_emit_jit_tramp (info->code, info->code_size, info->name);
+ mono_tramp_info_free (info);
+ }
+
+ return code;
+}
+
void
mono_trampolines_init (void)
{
if (mono_aot_only)
return;
- mono_trampoline_code [MONO_TRAMPOLINE_JIT] = mono_arch_create_trampoline_code (MONO_TRAMPOLINE_JIT);
- mono_trampoline_code [MONO_TRAMPOLINE_JUMP] = mono_arch_create_trampoline_code (MONO_TRAMPOLINE_JUMP);
- mono_trampoline_code [MONO_TRAMPOLINE_CLASS_INIT] = mono_arch_create_trampoline_code (MONO_TRAMPOLINE_CLASS_INIT);
- mono_trampoline_code [MONO_TRAMPOLINE_GENERIC_CLASS_INIT] = mono_arch_create_trampoline_code (MONO_TRAMPOLINE_GENERIC_CLASS_INIT);
- mono_trampoline_code [MONO_TRAMPOLINE_RGCTX_LAZY_FETCH] = mono_arch_create_trampoline_code (MONO_TRAMPOLINE_RGCTX_LAZY_FETCH);
+ mono_trampoline_code [MONO_TRAMPOLINE_JIT] = create_trampoline_code (MONO_TRAMPOLINE_JIT);
+ mono_trampoline_code [MONO_TRAMPOLINE_JUMP] = create_trampoline_code (MONO_TRAMPOLINE_JUMP);
+ mono_trampoline_code [MONO_TRAMPOLINE_CLASS_INIT] = create_trampoline_code (MONO_TRAMPOLINE_CLASS_INIT);
+ mono_trampoline_code [MONO_TRAMPOLINE_GENERIC_CLASS_INIT] = create_trampoline_code (MONO_TRAMPOLINE_GENERIC_CLASS_INIT);
+ mono_trampoline_code [MONO_TRAMPOLINE_RGCTX_LAZY_FETCH] = create_trampoline_code (MONO_TRAMPOLINE_RGCTX_LAZY_FETCH);
#ifdef MONO_ARCH_AOT_SUPPORTED
- mono_trampoline_code [MONO_TRAMPOLINE_AOT] = mono_arch_create_trampoline_code (MONO_TRAMPOLINE_AOT);
- mono_trampoline_code [MONO_TRAMPOLINE_AOT_PLT] = mono_arch_create_trampoline_code (MONO_TRAMPOLINE_AOT_PLT);
+ mono_trampoline_code [MONO_TRAMPOLINE_AOT] = create_trampoline_code (MONO_TRAMPOLINE_AOT);
+ mono_trampoline_code [MONO_TRAMPOLINE_AOT_PLT] = create_trampoline_code (MONO_TRAMPOLINE_AOT_PLT);
#endif
#ifdef MONO_ARCH_HAVE_CREATE_DELEGATE_TRAMPOLINE
- mono_trampoline_code [MONO_TRAMPOLINE_DELEGATE] = mono_arch_create_trampoline_code (MONO_TRAMPOLINE_DELEGATE);
+ mono_trampoline_code [MONO_TRAMPOLINE_DELEGATE] = create_trampoline_code (MONO_TRAMPOLINE_DELEGATE);
#endif
- mono_trampoline_code [MONO_TRAMPOLINE_RESTORE_STACK_PROT] = mono_arch_create_trampoline_code (MONO_TRAMPOLINE_RESTORE_STACK_PROT);
- mono_trampoline_code [MONO_TRAMPOLINE_GENERIC_VIRTUAL_REMOTING] = mono_arch_create_trampoline_code (MONO_TRAMPOLINE_GENERIC_VIRTUAL_REMOTING);
- mono_trampoline_code [MONO_TRAMPOLINE_MONITOR_ENTER] = mono_arch_create_trampoline_code (MONO_TRAMPOLINE_MONITOR_ENTER);
- mono_trampoline_code [MONO_TRAMPOLINE_MONITOR_EXIT] = mono_arch_create_trampoline_code (MONO_TRAMPOLINE_MONITOR_EXIT);
-#ifdef ENABLE_LLVM
- mono_trampoline_code [MONO_TRAMPOLINE_LLVM_VCALL] = mono_arch_create_trampoline_code (MONO_TRAMPOLINE_LLVM_VCALL);
+ mono_trampoline_code [MONO_TRAMPOLINE_RESTORE_STACK_PROT] = create_trampoline_code (MONO_TRAMPOLINE_RESTORE_STACK_PROT);
+ mono_trampoline_code [MONO_TRAMPOLINE_GENERIC_VIRTUAL_REMOTING] = create_trampoline_code (MONO_TRAMPOLINE_GENERIC_VIRTUAL_REMOTING);
+ mono_trampoline_code [MONO_TRAMPOLINE_MONITOR_ENTER] = create_trampoline_code (MONO_TRAMPOLINE_MONITOR_ENTER);
+ mono_trampoline_code [MONO_TRAMPOLINE_MONITOR_EXIT] = create_trampoline_code (MONO_TRAMPOLINE_MONITOR_EXIT);
+ mono_trampoline_code [MONO_TRAMPOLINE_VCALL] = create_trampoline_code (MONO_TRAMPOLINE_VCALL);
+#ifdef MONO_ARCH_HAVE_HANDLER_BLOCK_GUARD
+ mono_trampoline_code [MONO_TRAMPOLINE_HANDLER_BLOCK_GUARD] = create_trampoline_code (MONO_TRAMPOLINE_HANDLER_BLOCK_GUARD);
+ mono_create_handler_block_trampoline ();
#endif
+
+ mono_counters_register ("Calls to trampolines", MONO_COUNTER_JIT | MONO_COUNTER_INT, &trampoline_calls);
+ mono_counters_register ("JIT trampolines", MONO_COUNTER_JIT | MONO_COUNTER_INT, &jit_trampolines);
+ mono_counters_register ("Unbox trampolines", MONO_COUNTER_JIT | MONO_COUNTER_INT, &unbox_trampolines);
+ mono_counters_register ("Static rgctx trampolines", MONO_COUNTER_JIT | MONO_COUNTER_INT, &static_rgctx_trampolines);
}
void
{
if (class_init_hash_addr)
g_hash_table_destroy (class_init_hash_addr);
+ if (rgctx_lazy_fetch_trampoline_hash)
+ g_hash_table_destroy (rgctx_lazy_fetch_trampoline_hash);
+ if (rgctx_lazy_fetch_trampoline_hash_addr)
+ g_hash_table_destroy (rgctx_lazy_fetch_trampoline_hash_addr);
DeleteCriticalSection (&trampolines_mutex);
}
{
#ifdef MONO_ARCH_VTABLE_REG
static gpointer code;
+ MonoTrampInfo *info;
mono_trampolines_lock ();
if (!code) {
if (mono_aot_only)
- code = mono_aot_get_named_code ("generic_class_init_trampoline");
- else
- code = mono_arch_create_generic_class_init_trampoline ();
+ /* get_named_code () might return an ftnptr, but our caller expects a direct pointer */
+ code = mono_get_addr_from_ftnptr (mono_aot_get_trampoline ("generic_class_init_trampoline"));
+ else {
+ code = mono_arch_create_generic_class_init_trampoline (&info, FALSE);
+
+ if (info) {
+ mono_save_trampoline_xdebug_info (info);
+ if (mono_jit_map_is_enabled ())
+ mono_emit_jit_tramp (info->code, info->code_size, info->name);
+ mono_tramp_info_free (info);
+ }
+ }
}
mono_trampolines_unlock ();
g_hash_table_insert (domain_jit_info (domain)->jit_trampoline_hash, method, tramp);
mono_domain_unlock (domain);
- mono_jit_stats.method_trampolines++;
+ jit_trampolines++;
return tramp;
}
tramp = mono_create_specific_trampoline (start, MONO_TRAMPOLINE_AOT, domain, NULL);
- mono_jit_stats.method_trampolines++;
+ jit_trampolines++;
return tramp;
}
{
static gboolean inited = FALSE;
static int num_trampolines = 0;
+ MonoTrampInfo *info;
gpointer tramp, ptr;
if (tramp)
return tramp;
- tramp = mono_arch_create_rgctx_lazy_fetch_trampoline (offset);
+ tramp = mono_arch_create_rgctx_lazy_fetch_trampoline (offset, &info, FALSE);
+ if (info) {
+ mono_save_trampoline_xdebug_info (info);
+ if (mono_jit_map_is_enabled ())
+ mono_emit_jit_tramp (info->code, info->code_size, info->name);
+ mono_tramp_info_free (info);
+ }
ptr = mono_create_ftnptr (mono_get_root_domain (), tramp);
mono_trampolines_lock ();
mono_create_monitor_enter_trampoline (void)
{
static gpointer code;
+ MonoTrampInfo *info;
if (mono_aot_only) {
if (!code)
- code = mono_aot_get_named_code ("monitor_enter_trampoline");
+ code = mono_aot_get_trampoline ("monitor_enter_trampoline");
return code;
}
#ifdef MONO_ARCH_MONITOR_OBJECT_REG
mono_trampolines_lock ();
- if (!code)
- code = mono_arch_create_monitor_enter_trampoline ();
+ if (!code) {
+ code = mono_arch_create_monitor_enter_trampoline (&info, FALSE);
+ if (info) {
+ mono_save_trampoline_xdebug_info (info);
+ if (mono_jit_map_is_enabled ())
+ mono_emit_jit_tramp (info->code, info->code_size, info->name);
+ mono_tramp_info_free (info);
+ }
+ }
mono_trampolines_unlock ();
#else
mono_create_monitor_exit_trampoline (void)
{
static gpointer code;
+ MonoTrampInfo *info;
if (mono_aot_only) {
if (!code)
- code = mono_aot_get_named_code ("monitor_exit_trampoline");
+ code = mono_aot_get_trampoline ("monitor_exit_trampoline");
return code;
}
#ifdef MONO_ARCH_MONITOR_OBJECT_REG
mono_trampolines_lock ();
- if (!code)
- code = mono_arch_create_monitor_exit_trampoline ();
+ if (!code) {
+ code = mono_arch_create_monitor_exit_trampoline (&info, FALSE);
+ if (info) {
+ mono_save_trampoline_xdebug_info (info);
+ if (mono_jit_map_is_enabled ())
+ mono_emit_jit_tramp (info->code, info->code_size, info->name);
+ mono_tramp_info_free (info);
+ }
+ }
mono_trampolines_unlock ();
#else
return code;
}
-#ifdef ENABLE_LLVM
+#ifdef MONO_ARCH_LLVM_SUPPORTED
/*
- * mono_create_llvm_vcall_trampoline:
- *
- * LLVM emits code for virtual calls which mono_get_vcall_slot is unable to
- * decode, i.e. only the final branch address is available:
- * mov <offset>(%rax), %rax
- * <random code inserted by instruction scheduling>
- * call *%rax
+ * mono_create_llvm_imt_trampoline:
*
- * To work around this problem, we don't use the common vtable trampoline when
- * llvm is enabled. Instead, we use one trampoline per method.
+ * LLVM compiled code can't pass in the IMT argument, so we use this trampoline, which
+ * sets the IMT argument, then branches to the contents of the vtable slot given by
+ * vt_offset in the vtable which is obtained from the argument list.
*/
gpointer
-mono_create_llvm_vcall_trampoline (MonoMethod *method)
+mono_create_llvm_imt_trampoline (MonoDomain *domain, MonoMethod *m, int vt_offset)
{
- MonoDomain *domain;
- gpointer res;
-
- domain = mono_domain_get ();
-
- mono_domain_lock (domain);
- res = g_hash_table_lookup (domain_jit_info (domain)->llvm_vcall_trampoline_hash, method);
- mono_domain_unlock (domain);
- if (res)
- return res;
-
- res = mono_create_specific_trampoline (method, MONO_TRAMPOLINE_LLVM_VCALL, domain, NULL);
-
- mono_domain_lock (domain);
- g_hash_table_insert (domain_jit_info (domain)->llvm_vcall_trampoline_hash, method, res);
- mono_domain_unlock (domain);
-
- return res;
+#ifdef MONO_ARCH_HAVE_LLVM_IMT_TRAMPOLINE
+ return mono_arch_get_llvm_imt_trampoline (domain, m, vt_offset);
+#else
+ g_assert_not_reached ();
+ return NULL;
+#endif
}
#endif
mono_trampolines_unlock ();
return offset;
}
+
+static const char*tramp_names [MONO_TRAMPOLINE_NUM] = {
+ "jit",
+ "jump",
+ "class_init",
+ "generic_class_init",
+ "rgctx_lazy_fetch",
+ "aot",
+ "aot_plt",
+ "delegate",
+ "restore_stack_prot",
+ "generic_virtual_remoting",
+ "monitor_enter",
+ "monitor_exit",
+ "vcall",
+#ifdef MONO_ARCH_HAVE_HANDLER_BLOCK_GUARD
+ "handler_block_guard"
+#endif
+};
+
+/*
+ * mono_get_generic_trampoline_name:
+ *
+ * Returns a pointer to malloc-ed memory.
+ */
+char*
+mono_get_generic_trampoline_name (MonoTrampolineType tramp_type)
+{
+ return g_strdup_printf ("generic_trampoline_%s", tramp_names [tramp_type]);
+}
+
+/*
+ * mono_get_rgctx_fetch_trampoline_name:
+ *
+ * Returns a pointer to malloc-ed memory.
+ */
+char*
+mono_get_rgctx_fetch_trampoline_name (int slot)
+{
+ gboolean mrgctx;
+ int index;
+
+ mrgctx = MONO_RGCTX_SLOT_IS_MRGCTX (slot);
+ index = MONO_RGCTX_SLOT_INDEX (slot);
+
+ return g_strdup_printf ("rgctx_fetch_trampoline_%s_%d", mrgctx ? "mrgctx" : "rgctx", index);
+}
+
projects / mono.git / blobdiff