char *aot_name;
/* Pointer to the Global Offset Table */
gpointer *got;
+ gpointer *llvm_got;
GHashTable *name_cache;
GHashTable *extra_methods;
/* Maps methods to their code */
gboolean plt_inited;
guint8 *mem_begin;
guint8 *mem_end;
+ /* Points to either the start of JIT compiler or LLVM compiled code */
guint8 *code;
- guint8 *code_end;
+ guint8 *jit_code_start;
+ guint8 *jit_code_end;
+ guint8 *llvm_code_start;
+ guint8 *llvm_code_end;
guint8 *plt;
guint8 *plt_end;
guint8 *blob;
gint32 *sorted_code_offsets;
gint32 sorted_code_offsets_len;
guint32 *method_info_offsets;
- guint32 *got_info_offsets;
guint32 *ex_info_offsets;
guint32 *class_info_offsets;
guint32 *methods_loaded;
guint32 *extra_method_info_offsets;
guint32 *unbox_trampolines;
guint32 *unbox_trampolines_end;
+ guint32 *unbox_trampoline_addresses;
guint8 *unwind_info;
guint8 *thumb_end;
static void
init_plt (MonoAotModule *info);
+static void
+compute_llvm_code_range (MonoAotModule *amodule, guint8 **code_start, guint8 **code_end);
+
/*****************************************************/
/* AOT RUNTIME */
/*****************************************************/
if (!image)
return FALSE;
} else if (image_index == MONO_AOT_METHODREF_GINST) {
+ MonoError error;
MonoClass *klass;
MonoGenericContext ctx;
ctx.class_inst = klass->generic_class->context.class_inst;
ctx.method_inst = NULL;
- ref->method = mono_class_inflate_generic_method_full (ref->method, klass, &ctx);
+ ref->method = mono_class_inflate_generic_method_full_checked (ref->method, klass, &ctx, &error);
+ g_assert (mono_error_ok (&error)); /* FIXME don't swallow the error */
}
memset (&ctx, 0, sizeof (ctx));
if (!decode_generic_context (module, &ctx, p, &p))
return FALSE;
- ref->method = mono_class_inflate_generic_method_full (ref->method, klass, &ctx);
+ ref->method = mono_class_inflate_generic_method_full_checked (ref->method, klass, &ctx, &error);
+ g_assert (mono_error_ok (&error)); /* FIXME don't swallow the error */
} else if (image_index == MONO_AOT_METHODREF_ARRAY) {
MonoClass *klass;
int method_type;
return usable;
}
-/* This returns an interop address */
+/*
+ * TABLE should point to a table of call instructions. Return the address called by the INDEXth entry.
+ */
static void*
-get_arm_bl_target (guint32 *ins_addr)
+get_call_table_entry (void *table, int index)
{
-#ifdef TARGET_ARM
- guint32 ins = *ins_addr;
+#if defined(TARGET_ARM)
+ guint32 *ins_addr;
+ guint32 ins;
gint32 offset;
+ ins_addr = (guint32*)table + index;
+ ins = *ins_addr;
if ((ins >> ARMCOND_SHIFT) == ARMCOND_NV) {
/* blx */
offset = (((int)(((ins & 0xffffff) << 1) | ((ins >> 24) & 0x1))) << 7) >> 7;
return (char*)ins_addr + (offset * 4) + 8;
}
#elif defined(TARGET_ARM64)
- return mono_arch_get_call_target (((guint8*)ins_addr) + 4);
+ return mono_arch_get_call_target ((guint8*)table + (index * 4) + 4);
+#elif defined(TARGET_X86) || defined(TARGET_AMD64)
+ /* The callee expects an ip which points after the call */
+ return mono_arch_get_call_target ((guint8*)table + (index * 5) + 5);
#else
g_assert_not_reached ();
return NULL;
memcpy (&amodule->info, info, sizeof (*info));
amodule->got = amodule->info.got;
- amodule->got [0] = assembly->image;
+ amodule->llvm_got = amodule->info.llvm_got;
amodule->globals = globals;
amodule->sofile = sofile;
amodule->method_to_code = g_hash_table_new (mono_aligned_addr_hash, NULL);
}
}
- amodule->code_offsets = info->code_offsets;
amodule->method_addresses = info->method_addresses;
amodule->code = info->methods;
#ifdef TARGET_ARM
/* Mask out thumb interop bit */
amodule->code = (void*)((mgreg_t)amodule->code & ~1);
#endif
- amodule->code_end = info->methods_end;
+ amodule->jit_code_start = info->jit_code_start;
+ amodule->jit_code_end = info->jit_code_end;
amodule->method_info_offsets = info->method_info_offsets;
amodule->ex_info_offsets = info->ex_info_offsets;
amodule->class_info_offsets = info->class_info_offsets;
amodule->extra_method_info_offsets = info->extra_method_info_offsets;
amodule->unbox_trampolines = info->unbox_trampolines;
amodule->unbox_trampolines_end = info->unbox_trampolines_end;
- amodule->got_info_offsets = info->got_info_offsets;
+ amodule->unbox_trampoline_addresses = info->unbox_trampoline_addresses;
amodule->unwind_info = info->unwind_info;
amodule->mem_end = info->mem_end;
amodule->mem_begin = amodule->code;
amodule->trampolines [MONO_AOT_TRAMP_GSHAREDVT_ARG] = info->gsharedvt_arg_trampolines;
amodule->thumb_end = info->thumb_end;
- if (info->flags & MONO_AOT_FILE_FLAG_DIRECT_METHOD_ADDRESSES) {
- /* Compute code_offsets from the method addresses */
- amodule->code_offsets = g_malloc0 (amodule->info.nmethods * sizeof (gint32));
- for (i = 0; i < amodule->info.nmethods; ++i) {
- /* method_addresses () contains a table of branches, since the ios linker can update those correctly */
- void *addr = NULL;
+ /* Compute code_offsets from the method addresses */
+ amodule->code_offsets = g_malloc0 (amodule->info.nmethods * sizeof (gint32));
+ for (i = 0; i < amodule->info.nmethods; ++i) {
+ /* method_addresses () contains a table of branches, since the ios linker can update those correctly */
+ void *addr;
-#if defined(TARGET_ARM) || defined(TARGET_ARM64)
- addr = get_arm_bl_target ((guint32*)amodule->method_addresses + i);
-#elif defined(TARGET_X86) || defined(TARGET_AMD64)
- addr = mono_arch_get_call_target ((guint8*)amodule->method_addresses + (i * 5) + 5);
-#else
- g_assert_not_reached ();
-#endif
- g_assert (addr);
- if (addr == amodule->method_addresses)
- amodule->code_offsets [i] = 0xffffffff;
- else
- amodule->code_offsets [i] = (char*)addr - (char*)amodule->code;
- }
+ addr = get_call_table_entry (amodule->method_addresses, i);
+ g_assert (addr);
+ if (addr == amodule->method_addresses)
+ amodule->code_offsets [i] = 0xffffffff;
+ else
+ amodule->code_offsets [i] = (char*)addr - (char*)amodule->code;
}
if (make_unreadable) {
#endif
}
+ /* Compute the boundaries of LLVM code */
+ if (info->flags & MONO_AOT_FILE_FLAG_WITH_LLVM)
+ compute_llvm_code_range (amodule, &amodule->llvm_code_start, &amodule->llvm_code_end);
+
mono_aot_lock ();
- aot_code_low_addr = MIN (aot_code_low_addr, (gsize)amodule->code);
- aot_code_high_addr = MAX (aot_code_high_addr, (gsize)amodule->code_end);
+ aot_code_low_addr = MIN (aot_code_low_addr, (gsize)amodule->jit_code_start);
+ aot_code_high_addr = MAX (aot_code_high_addr, (gsize)amodule->jit_code_end);
+ if (amodule->llvm_code_start) {
+ aot_code_low_addr = MIN (aot_code_low_addr, (gsize)amodule->llvm_code_start);
+ aot_code_high_addr = MAX (aot_code_high_addr, (gsize)amodule->llvm_code_end);
+ }
g_hash_table_insert (aot_modules, assembly, amodule);
mono_aot_unlock ();
- mono_jit_info_add_aot_module (assembly->image, amodule->code, amodule->code_end);
+ mono_jit_info_add_aot_module (assembly->image, amodule->jit_code_start, amodule->jit_code_end);
+ if (amodule->llvm_code_start)
+ mono_jit_info_add_aot_module (assembly->image, amodule->llvm_code_start, amodule->llvm_code_end);
assembly->image->aot_module = amodule;
+ amodule->got [0] = assembly->image;
+
if (mono_aot_only) {
char *code;
find_symbol (amodule->sofile, amodule->globals, "specific_trampolines_page", (gpointer *)&code);
amodule->got [2] = mono_resolve_patch_target (NULL, mono_get_root_domain (), NULL, &ji, FALSE);
}
+ if (amodule->llvm_got) {
+ amodule->llvm_got [0] = amodule->got [0];
+ amodule->llvm_got [1] = amodule->got [1];
+ amodule->llvm_got [2] = amodule->got [2];
+ }
+
/*
* Since we store methoddef and classdef tokens when referring to methods/classes in
* referenced assemblies, we depend on the exact versions of the referenced assemblies.
return TRUE;
}
+/* Compute the boundaries of the LLVM code for AMODULE. */
+static void
+compute_llvm_code_range (MonoAotModule *amodule, guint8 **code_start, guint8 **code_end)
+{
+ guint8 *p;
+ int version, fde_count;
+ gint32 *table;
+
+ g_assert (amodule->mono_eh_frame);
+
+ p = amodule->mono_eh_frame;
+
+ /* p points to data emitted by LLVM in DwarfException::EmitMonoEHFrame () */
+
+ /* Header */
+ version = *p;
+ g_assert (version == 3);
+ p ++;
+ p ++;
+ p = ALIGN_PTR_TO (p, 4);
+
+ fde_count = *(guint32*)p;
+ p += 4;
+ table = (gint32*)p;
+
+ if (fde_count) {
+ g_assert (fde_count != 1);
+ g_assert (table [0] == -1);
+ *code_start = amodule->code + amodule->code_offsets [table [2]];
+ *code_end = amodule->code + amodule->code_offsets [table [(fde_count - 1) * 2]] + table [fde_count * 2];
+ }
+}
+
/*
* decode_mono_eh_frame:
*
g_assert (table [(pos * 2)] != -1);
offset1 = amodule->code_offsets [table [(pos * 2)]];
if (pos + 1 == fde_count) {
- offset2 = amodule->code_end - amodule->code;
+ offset2 = amodule->llvm_code_end - amodule->llvm_code_start;
} else {
g_assert (table [(pos + 1) * 2] != -1);
offset2 = amodule->code_offsets [table [(pos + 1) * 2]];
return jinfo;
}
+static gboolean
+amodule_contains_code_addr (MonoAotModule *amodule, guint8 *code)
+{
+ return (code >= amodule->jit_code_start && code <= amodule->jit_code_end) ||
+ (code >= amodule->llvm_code_start && code <= amodule->llvm_code_end);
+}
+
/*
* mono_aot_get_unwind_info:
*
g_assert (amodule);
g_assert (ji->from_aot);
- if (!(code >= amodule->code && code <= amodule->code_end)) {
+ if (!amodule_contains_code_addr (amodule, code)) {
/* ji belongs to a different aot module than amodule */
mono_aot_lock ();
g_assert (ji_to_amodule);
amodule = g_hash_table_lookup (ji_to_amodule, ji);
g_assert (amodule);
- g_assert (code >= amodule->code && code <= amodule->code_end);
+ g_assert (amodule_contains_code_addr (amodule, code));
mono_aot_unlock ();
}
/* FIXME: */
return NULL;
+ if (!amodule_contains_code_addr (amodule, addr))
+ return NULL;
+
async = mono_thread_info_is_async_context ();
offset = (guint8*)addr - amodule->code;
code_offsets = amodule->sorted_code_offsets;
offsets_len = amodule->sorted_code_offsets_len;
- if (offsets_len > 0 && (offset < code_offsets [0] || offset >= (amodule->code_end - amodule->code)))
- return NULL;
-
/* Binary search in the sorted_code_offsets table */
left = 0;
right = offsets_len;
offset1 = code_offsets [(pos * 2)];
if (pos + 1 == offsets_len)
- offset2 = amodule->code_end - amodule->code;
+ offset2 = amodule->jit_code_end - amodule->code;
else
offset2 = code_offsets [(pos + 1) * 2];
ex_info = &amodule->blob [mono_aot_get_offset (amodule->ex_info_offsets, method_index)];
if (pos == offsets_len - 1)
- code_len = amodule->code_end - code;
+ code_len = amodule->jit_code_end - code;
else
code_len = code_offsets [(pos + 1) * 2] - code_offsets [pos * 2];
case MONO_PATCH_INFO_INTERRUPTION_REQUEST_FLAG:
case MONO_PATCH_INFO_GENERIC_CLASS_INIT:
case MONO_PATCH_INFO_MONITOR_ENTER:
+ case MONO_PATCH_INFO_MONITOR_ENTER_V4:
case MONO_PATCH_INFO_MONITOR_EXIT:
case MONO_PATCH_INFO_GC_CARD_TABLE_ADDR:
case MONO_PATCH_INFO_JIT_TLS_ID:
ji->data.target = info;
break;
}
+ case MONO_PATCH_INFO_LDSTR_LIT: {
+ int len = decode_value (p, &p);
+ char *s;
+
+ s = mono_mempool_alloc0 (mp, len + 1);
+ memcpy (s, p, len + 1);
+ p += len + 1;
+
+ ji->data.target = s;
+ break;
+ }
default:
g_warning ("unhandled type %d", ji->type);
g_assert_not_reached ();
}
static MonoJumpInfo*
-load_patch_info (MonoAotModule *aot_module, MonoMemPool *mp, int n_patches,
- guint32 **got_slots,
+load_patch_info (MonoAotModule *aot_module, MonoMemPool *mp, int n_patches,
+ gboolean llvm, guint32 **got_slots,
guint8 *buf, guint8 **endbuf)
{
MonoJumpInfo *patches;
int pindex;
guint8 *p;
+ gpointer *got;
+ guint32 *got_offsets;
p = buf;
+ if (llvm) {
+ got = aot_module->llvm_got;
+ got_offsets = aot_module->info.llvm_got_info_offsets;
+ } else {
+ got = aot_module->got;
+ got_offsets = aot_module->info.got_info_offsets;
+ }
+
patches = mono_mempool_alloc0 (mp, sizeof (MonoJumpInfo) * n_patches);
*got_slots = g_malloc (sizeof (guint32) * n_patches);
got_offset = decode_value (p, &p);
- shared_p = aot_module->blob + mono_aot_get_offset (aot_module->got_info_offsets, got_offset);
+ shared_p = aot_module->blob + mono_aot_get_offset (got_offsets, got_offset);
ji->type = decode_value (shared_p, &shared_p);
/* See load_method () for SFLDA */
- if (aot_module->got [got_offset] && ji->type != MONO_PATCH_INFO_SFLDA) {
+ if (got [got_offset] && ji->type != MONO_PATCH_INFO_SFLDA) {
/* Already loaded */
} else {
res = decode_patch (aot_module, mp, ji, shared_p, &shared_p);
info = &amodule->blob [mono_aot_get_offset (amodule->method_info_offsets, method_index)];
- if (amodule->thumb_end && code < amodule->thumb_end && ((amodule->info.flags & MONO_AOT_FILE_FLAG_DIRECT_METHOD_ADDRESSES) == 0)) {
- /* Convert this into a thumb address */
- g_assert ((amodule->code_offsets [method_index] & 0x1) == 0);
- code = &amodule->code [amodule->code_offsets [method_index] + 1];
- }
-
if (!amodule->methods_loaded) {
amodule_lock (amodule);
if (!amodule->methods_loaded) {
if (n_patches) {
MonoJumpInfo *patches;
guint32 *got_slots;
+ gboolean llvm;
+ gpointer *got;
if (keep_patches)
mp = domain->mp;
else
mp = mono_mempool_new ();
- patches = load_patch_info (amodule, mp, n_patches, &got_slots, p, &p);
+ if ((gpointer)code >= amodule->info.jit_code_start && (gpointer)code <= amodule->info.jit_code_end) {
+ llvm = FALSE;
+ got = amodule->got;
+ } else {
+ llvm = TRUE;
+ got = amodule->llvm_got;
+ g_assert (got);
+ }
+
+ patches = load_patch_info (amodule, mp, n_patches, llvm, &got_slots, p, &p);
if (patches == NULL)
goto cleanup;
* been initialized by load_method () for a static cctor before the cctor has
* finished executing (#23242).
*/
- if (!amodule->got [got_slots [pindex]] || ji->type == MONO_PATCH_INFO_SFLDA) {
+ if (!got [got_slots [pindex]] || ji->type == MONO_PATCH_INFO_SFLDA) {
addr = mono_resolve_patch_target (method, domain, code, ji, TRUE);
if (ji->type == MONO_PATCH_INFO_METHOD_JUMP)
addr = mono_create_ftnptr (domain, addr);
mono_memory_barrier ();
- amodule->got [got_slots [pindex]] = addr;
+ got [got_slots [pindex]] = addr;
if (ji->type == MONO_PATCH_INFO_METHOD_JUMP)
- register_jump_target_got_slot (domain, ji->data.method, &(amodule->got [got_slots [pindex]]));
+ register_jump_target_got_slot (domain, ji->data.method, &(got [got_slots [pindex]]));
}
ji->type = MONO_PATCH_INFO_NONE;
}
* an out parameter, so the managed-to-native wrappers can share the same code.
*/
if (method_index == 0xffffff && method->wrapper_type == MONO_WRAPPER_MANAGED_TO_NATIVE && method->klass == mono_defaults.array_class && !strcmp (method->name, "GetGenericValueImpl")) {
+ MonoError error;
MonoMethod *m;
MonoGenericContext ctx;
MonoType *args [16];
args [0] = &mono_defaults.object_class->byval_arg;
ctx.method_inst = mono_metadata_get_generic_inst (1, args);
- m = mono_marshal_get_native_wrapper (mono_class_inflate_generic_method (m, &ctx), TRUE, TRUE);
+ m = mono_marshal_get_native_wrapper (mono_class_inflate_generic_method_checked (m, &ctx, &error), TRUE, TRUE);
+ g_assert (mono_error_ok (&error)); /* FIXME don't swallow the error */
/*
* Get the code for the <object> instantiation which should be emitted into
((!strcmp (method->klass->name_space, "System.Threading") && !strcmp (method->klass->name, "Interlocked") && (!strcmp (method->name, "CompareExchange") || !strcmp (method->name, "Exchange")) && MONO_TYPE_IS_REFERENCE (mono_method_signature (method)->params [1])) ||
(!strcmp (method->klass->name_space, "System.Threading") && !strcmp (method->klass->name, "Volatile") && (!strcmp (method->name, "Read") && MONO_TYPE_IS_REFERENCE (mono_method_signature (method)->ret))) ||
(!strcmp (method->klass->name_space, "System.Threading") && !strcmp (method->klass->name, "Volatile") && (!strcmp (method->name, "Write") && MONO_TYPE_IS_REFERENCE (mono_method_signature (method)->params [1]))))) {
+ MonoError error;
MonoMethod *m;
MonoGenericContext ctx;
MonoType *args [16];
args [0] = &mono_defaults.object_class->byval_arg;
ctx.method_inst = mono_metadata_get_generic_inst (1, args);
- m = mono_marshal_get_native_wrapper (mono_class_inflate_generic_method (m, &ctx), TRUE, TRUE);
+ m = mono_marshal_get_native_wrapper (mono_class_inflate_generic_method_checked (m, &ctx, &error), TRUE, TRUE);
+ g_assert (mono_error_ok (&error)); /* FIXME don't swallow the error */
/* Avoid recursion */
if (method == m)
FindAotModuleUserData *data = (FindAotModuleUserData*)user_data;
MonoAotModule *aot_module = (MonoAotModule*)value;
- if ((data->addr >= (guint8*)(aot_module->code)) && (data->addr < (guint8*)(aot_module->code_end)))
+ if (amodule_contains_code_addr (aot_module, data->addr))
data->module = aot_module;
}
mp = mono_mempool_new ();
- patches = load_patch_info (amodule, mp, n_patches, &got_slots, p, &p);
+ patches = load_patch_info (amodule, mp, n_patches, FALSE, &got_slots, p, &p);
g_assert (patches);
for (pindex = 0; pindex < n_patches; ++pindex) {
} else if (!strcmp (ji->data.name, "specific_trampoline_monitor_enter")) {
target = mono_create_specific_trampoline (NULL, MONO_TRAMPOLINE_MONITOR_ENTER, mono_get_root_domain (), NULL);
target = mono_create_ftnptr_malloc (target);
+ } else if (!strcmp (ji->data.name, "specific_trampoline_monitor_enter_v4")) {
+ target = mono_create_specific_trampoline (NULL, MONO_TRAMPOLINE_MONITOR_ENTER_V4, mono_get_root_domain (), NULL);
+ target = mono_create_ftnptr_malloc (target);
} else if (!strcmp (ji->data.name, "specific_trampoline_monitor_exit")) {
target = mono_create_specific_trampoline (NULL, MONO_TRAMPOLINE_MONITOR_EXIT, mono_get_root_domain (), NULL);
target = mono_create_ftnptr_malloc (target);
MonoAotModule *amodule;
gpointer code;
guint32 *ut, *ut_end, *entry;
- int low, high, entry_index;
+ int low, high, entry_index = 0;
if (method->is_inflated && !mono_method_is_generic_sharable_full (method, FALSE, FALSE, FALSE)) {
method_index = find_extra_method (method, &amodule);
/* Do a binary search in the sorted table */
code = NULL;
low = 0;
- high = (ut_end - ut) / 2;
+ high = (ut_end - ut);
while (low < high) {
entry_index = (low + high) / 2;
- entry = &ut [(entry_index * 2)];
+ entry = &ut [entry_index];
if (entry [0] < method_index) {
low = entry_index + 1;
} else if (entry [0] > method_index) {
high = entry_index;
} else {
- if (amodule->info.flags & MONO_AOT_FILE_FLAG_DIRECT_METHOD_ADDRESSES)
- code = get_arm_bl_target (entry + 1);
- else
- code = amodule->code + entry [1];
break;
}
}
+
+ code = get_call_table_entry (amodule->unbox_trampoline_addresses, entry_index);
g_assert (code);
/* The caller expects an ftnptr */