#include <sys/mman.h>
#endif
-#if PLATFORM_WIN32
+#if HOST_WIN32
#include <winsock2.h>
#include <windows.h>
#endif
#include <sys/wait.h> /* for WIFEXITED, WEXITSTATUS */
#endif
-// FIXME:
-#ifdef __linux__
-#define HAVE_DL_ITERATE_PHDR
-#endif
-
#ifdef HAVE_DL_ITERATE_PHDR
#include <link.h>
#endif
#ifndef DISABLE_AOT
-#ifdef PLATFORM_WIN32
+#ifdef TARGET_WIN32
#define SHARED_EXT ".dll"
#elif ((defined(__ppc__) || defined(__powerpc__) || defined(__ppc64__)) || defined(__MACH__)) && !defined(__linux__)
#define SHARED_EXT ".dylib"
typedef struct MonoAotModule {
char *aot_name;
- /* Optimization flags used to compile the module */
- guint32 opts;
/* Pointer to the Global Offset Table */
gpointer *got;
GHashTable *name_cache;
guint8 *code_end;
guint8 *plt;
guint8 *plt_end;
+ guint8 *blob;
gint32 *code_offsets;
/* This contains <offset, index> pairs sorted by offset */
/* This is needed because LLVM emitted methods can be in any order */
gint32 *sorted_code_offsets;
- guint8 *method_info;
guint32 *method_info_offsets;
- guint8 *got_info;
guint32 *got_info_offsets;
- guint8 *ex_info;
guint32 *ex_info_offsets;
- guint8 *class_info;
guint32 *class_info_offsets;
guint32 *methods_loaded;
guint16 *class_name_table;
guint32 *extra_method_table;
guint32 *extra_method_info_offsets;
- guint8 *extra_method_info;
guint8 *unwind_info;
- /* Points to the the GNU .eh_frame_hdr section, if it exists */
+ /* Points to the GNU .eh_frame_hdr section, if it exists */
guint8 *eh_frame_hdr;
+ /* Points to the .ARM.exidx section, if it exists */
+ guint8 *arm_exidx;
+ guint32 arm_exidx_size;
+
/* Points to the trampolines */
guint8 *trampolines [MONO_AOT_TRAMP_NUM];
/* The first unused trampoline of each kind */
/* AOT RUNTIME */
/*****************************************************/
+/*
+ * load_image:
+ *
+ * Load one of the images referenced by AMODULE. Returns NULL if the image is not
+ * found, and sets the loader error if SET_ERROR is TRUE.
+ */
static MonoImage *
-load_image (MonoAotModule *module, int index)
+load_image (MonoAotModule *amodule, int index, gboolean set_error)
{
MonoAssembly *assembly;
MonoImageOpenStatus status;
- g_assert (index < module->image_table_len);
+ g_assert (index < amodule->image_table_len);
- if (module->image_table [index])
- return module->image_table [index];
- if (module->out_of_date)
+ if (amodule->image_table [index])
+ return amodule->image_table [index];
+ if (amodule->out_of_date)
return NULL;
- assembly = mono_assembly_load (&module->image_names [index], NULL, &status);
+ assembly = mono_assembly_load (&amodule->image_names [index], NULL, &status);
if (!assembly) {
- mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_AOT, "AOT module %s is unusable because dependency %s is not found.\n", module->aot_name, module->image_names [index].name);
- module->out_of_date = TRUE;
+ mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_AOT, "AOT module %s is unusable because dependency %s is not found.\n", amodule->aot_name, amodule->image_names [index].name);
+ amodule->out_of_date = TRUE;
+
+ if (set_error) {
+ char *full_name = mono_stringify_assembly_name (&amodule->image_names [index]);
+ mono_loader_set_error_assembly_load (full_name, FALSE);
+ g_free (full_name);
+ }
return NULL;
}
- if (strcmp (assembly->image->guid, module->image_guids [index])) {
- mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_AOT, "AOT module %s is out of date (Older than dependency %s).\n", module->aot_name, module->image_names [index].name);
- module->out_of_date = TRUE;
+ if (strcmp (assembly->image->guid, amodule->image_guids [index])) {
+ mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_AOT, "AOT module %s is out of date (Older than dependency %s).\n", amodule->aot_name, amodule->image_names [index].name);
+ amodule->out_of_date = TRUE;
return NULL;
}
- module->image_table [index] = assembly->image;
+ amodule->image_table [index] = assembly->image;
return assembly->image;
}
-
static inline gint32
decode_value (guint8 *ptr, guint8 **rptr)
{
return len;
}
+/*
+ * mono_aot_get_method:
+ *
+ * Decode an offset table emitted by emit_offset_table (), returning the INDEXth
+ * entry.
+ */
+static guint32
+mono_aot_get_offset (guint32 *table, int index)
+{
+ int i, group, ngroups, index_entry_size;
+ int start_offset, offset, noffsets, group_size;
+ guint8 *data_start, *p;
+ guint32 *index32 = NULL;
+ guint16 *index16 = NULL;
+
+ noffsets = table [0];
+ group_size = table [1];
+ ngroups = table [2];
+ index_entry_size = table [3];
+ group = index / group_size;
+
+ if (index_entry_size == 2) {
+ index16 = (guint16*)&table [4];
+ data_start = (guint8*)&index16 [ngroups];
+ p = data_start + index16 [group];
+ } else {
+ index32 = (guint32*)&table [4];
+ data_start = (guint8*)&index32 [ngroups];
+ p = data_start + index32 [group];
+ }
+
+ /* offset will contain the value of offsets [group * group_size] */
+ offset = start_offset = decode_value (p, &p);
+ for (i = group * group_size + 1; i <= index; ++i) {
+ offset += decode_value (p, &p);
+ }
+
+ //printf ("Offset lookup: %d -> %d, start=%d, p=%d\n", index, offset, start_offset, table [3 + group]);
+
+ return offset;
+}
+
static MonoMethod*
decode_method_ref_2 (MonoAotModule *module, guint8 *buf, guint8 **endbuf);
return NULL;
}
if (mono_metadata_token_table (token) == 0) {
- image = load_image (module, decode_value (p, &p));
+ image = load_image (module, decode_value (p, &p), TRUE);
if (!image)
return NULL;
klass = mono_class_get (image, MONO_TOKEN_TYPE_DEF + token);
MonoType *type;
gclass = decode_klass_ref (module, p, &p);
+ if (!gclass)
+ return NULL;
g_assert (gclass->generic_container);
memset (&ctx, 0, sizeof (ctx));
g_assert_not_reached ();
}
} else {
- image = load_image (module, decode_value (p, &p));
+ image = load_image (module, decode_value (p, &p), TRUE);
if (!image)
return NULL;
klass = mono_class_get (image, token);
}
} else if (token == MONO_TOKEN_TYPE_DEF) {
/* Array */
- image = load_image (module, decode_value (p, &p));
+ image = load_image (module, decode_value (p, &p), TRUE);
if (!image)
return NULL;
rank = decode_value (p, &p);
g_assert_not_reached ();
}
g_assert (klass);
- mono_class_init (klass);
*endbuf = p;
return klass;
*method = mono_marshal_get_runtime_invoke (m, FALSE);
break;
}
+ case MONO_WRAPPER_MANAGED_TO_MANAGED: {
+ int subtype = decode_value (p, &p);
+
+ if (subtype == MONO_AOT_WRAPPER_ELEMENT_ADDR) {
+ int rank = decode_value (p, &p);
+ int elem_size = decode_value (p, &p);
+
+ *method = mono_marshal_get_array_address (rank, elem_size);
+ } else {
+ g_assert_not_reached ();
+ }
+ break;
+ }
default:
g_assert_not_reached ();
}
image_index = decode_value (p, &p);
*token = decode_value (p, &p);
- image = load_image (module, image_index);
+ image = load_image (module, image_index, TRUE);
if (!image)
return NULL;
} else if (image_index == MONO_AOT_METHODREF_GINST) {
image_index = decode_value (p, &p);
*token = decode_value (p, &p);
- image = load_image (module, image_index);
+ image = load_image (module, image_index, TRUE);
if (!image)
return NULL;
g_assert (image_index < MONO_AOT_METHODREF_MIN);
*token = MONO_TOKEN_METHOD_DEF | (value & 0xffffff);
- image = load_image (module, image_index);
+ image = load_image (module, image_index, TRUE);
if (!image)
return NULL;
}
tmp = g_build_filename (home, ".mono", NULL);
if (!g_file_test (tmp, G_FILE_TEST_IS_DIR)) {
mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_AOT, "AOT creating directory %s", tmp);
-#ifdef PLATFORM_WIN32
+#ifdef HOST_WIN32
err = mkdir (tmp);
#else
err = mkdir (tmp, 0777);
tmp = g_build_filename (home, ".mono", "aot-cache", NULL);
if (!g_file_test (tmp, G_FILE_TEST_IS_DIR)) {
mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_AOT, "AOT creating directory %s", tmp);
-#ifdef PLATFORM_WIN32
+#ifdef HOST_WIN32
err = mkdir (tmp);
#else
err = mkdir (tmp, 0777);
res = g_spawn_command_line_sync (cmd, &out, &err, &exit_status, NULL);
-#if !defined(PLATFORM_WIN32) && !defined(__ppc__) && !defined(__ppc64__) && !defined(__powerpc__)
+#if !defined(HOST_WIN32) && !defined(__ppc__) && !defined(__ppc64__) && !defined(__powerpc__)
if (res) {
if (!WIFEXITED (exit_status) && (WEXITSTATUS (exit_status) == 0))
mono_trace (G_LOG_LEVEL_MESSAGE, MONO_TRACE_AOT, "AOT failed: %s.", err);
find_symbol (MonoDl *module, gpointer *globals, const char *name, gpointer *value)
{
if (globals) {
- int i = 0;
+ int global_index;
+ guint16 *table, *entry;
+ guint16 table_size;
+ guint32 hash;
+
+ /* The first entry points to the hash */
+ table = globals [0];
+ globals ++;
+
+ table_size = table [0];
+ table ++;
+
+ hash = mono_metadata_str_hash (name) % table_size;
+
+ entry = &table [hash * 2];
+
+ /* Search the hash for the index into the globals table */
+ global_index = -1;
+ while (entry [0] != 0) {
+ guint32 index = entry [0] - 1;
+ guint32 next = entry [1];
+
+ //printf ("X: %s %s\n", (char*)globals [index * 2], name);
- *value = NULL;
- for (i = 0; globals [i]; i+= 2) {
- if (strcmp (globals [i], name) == 0) {
- *value = globals [i + 1];
+ if (!strcmp (globals [index * 2], name)) {
+ global_index = index;
+ break;
+ }
+
+ if (next != 0) {
+ entry = &table [next * 2];
+ } else {
break;
}
}
+
+ if (global_index != -1)
+ *value = globals [global_index * 2 + 1];
+ else
+ *value = NULL;
} else {
mono_dl_symbol (module, name, value);
}
}
+#ifndef SHT_ARM_EXIDX
+#define SHT_ARM_EXIDX 0x70000001
+#endif
+
#ifdef HAVE_DL_ITERATE_PHDR
static int
dl_callback (struct dl_phdr_info *info, size_t size, void *data)
for (j = 0; j < info->dlpi_phnum; j++) {
if (info->dlpi_phdr [j].p_type == PT_GNU_EH_FRAME)
amodule->eh_frame_hdr = (guint8*)(info->dlpi_addr + info->dlpi_phdr [j].p_vaddr);
+ if (info->dlpi_phdr [j].p_type == SHT_ARM_EXIDX) {
+ amodule->arm_exidx = (guint8*)(info->dlpi_addr + info->dlpi_phdr [j].p_vaddr);
+ amodule->arm_exidx_size = info->dlpi_phdr [j].p_filesz;
+ }
}
return 1;
} else {
}
g_free (build_info);
- {
- char *full_aot_str;
+ find_symbol (sofile, globals, "mono_aot_file_info", (gpointer*)&file_info);
+ g_assert (file_info);
- find_symbol (sofile, globals, "mono_aot_full_aot", (gpointer *)&full_aot_str);
-
- if (full_aot_str && !strcmp (full_aot_str, "TRUE"))
- full_aot = TRUE;
- }
+ full_aot = ((MonoAotFileInfo*)file_info)->flags & MONO_AOT_FILE_FLAG_FULL_AOT;
if (mono_aot_only && !full_aot) {
fprintf (stderr, "Can't use AOT image '%s' in aot-only mode because it is not compiled with --aot=full.\n", aot_name);
usable = FALSE;
}
+ if ((((MonoAotFileInfo*)file_info)->flags & MONO_AOT_FILE_FLAG_WITH_LLVM) && !mono_use_llvm) {
+ mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_AOT, "AOT module %s is compiled with LLVM.\n", aot_name);
+ usable = FALSE;
+ }
+
if (!usable) {
if (mono_aot_only) {
fprintf (stderr, "Failed to load AOT module '%s' while running in aot-only mode.\n", aot_name);
return;
}
- find_symbol (sofile, globals, "mono_aot_file_info", (gpointer*)&file_info);
- g_assert (file_info);
-
amodule = g_new0 (MonoAotModule, 1);
amodule->aot_name = aot_name;
amodule->assembly = assembly;
amodule->sofile = sofile;
amodule->method_to_code = g_hash_table_new (mono_aligned_addr_hash, NULL);
- sscanf (opt_flags, "%d", &amodule->opts);
-
/* Read image table */
{
guint32 table_len, i;
}
/* Read method and method_info tables */
- find_symbol (sofile, globals, "method_offsets", (gpointer*)&amodule->code_offsets);
+ find_symbol (sofile, globals, "code_offsets", (gpointer*)&amodule->code_offsets);
find_symbol (sofile, globals, "methods", (gpointer*)&amodule->code);
find_symbol (sofile, globals, "methods_end", (gpointer*)&amodule->code_end);
find_symbol (sofile, globals, "method_info_offsets", (gpointer*)&amodule->method_info_offsets);
- find_symbol (sofile, globals, "method_info", (gpointer*)&amodule->method_info);
find_symbol (sofile, globals, "ex_info_offsets", (gpointer*)&amodule->ex_info_offsets);
- find_symbol (sofile, globals, "ex_info", (gpointer*)&amodule->ex_info);
- find_symbol (sofile, globals, "class_info", (gpointer*)&amodule->class_info);
+ find_symbol (sofile, globals, "blob", (gpointer*)&amodule->blob);
find_symbol (sofile, globals, "class_info_offsets", (gpointer*)&amodule->class_info_offsets);
find_symbol (sofile, globals, "class_name_table", (gpointer *)&amodule->class_name_table);
find_symbol (sofile, globals, "extra_method_table", (gpointer *)&amodule->extra_method_table);
- find_symbol (sofile, globals, "extra_method_info", (gpointer *)&amodule->extra_method_info);
find_symbol (sofile, globals, "extra_method_info_offsets", (gpointer *)&amodule->extra_method_info_offsets);
- find_symbol (sofile, globals, "got_info", (gpointer*)&amodule->got_info);
find_symbol (sofile, globals, "got_info_offsets", (gpointer*)&amodule->got_info_offsets);
find_symbol (sofile, globals, "specific_trampolines", (gpointer*)&(amodule->trampolines [MONO_AOT_TRAMP_SPECIFIC]));
find_symbol (sofile, globals, "static_rgctx_trampolines", (gpointer*)&(amodule->trampolines [MONO_AOT_TRAMP_STATIC_RGCTX]));
find_symbol (sofile, globals, "plt_end", (gpointer*)&amodule->plt_end);
if (make_unreadable) {
-#ifndef PLATFORM_WIN32
+#ifndef TARGET_WIN32
guint8 *addr;
guint8 *page_start;
int pages, err, len;
* referenced assemblies, we depend on the exact versions of the referenced assemblies.
* MS calls this 'hard binding'. This means we have to load all referenced assemblies
* non-lazily, since we can't handle out-of-date errors later.
+ * The cached class info also depends on the exact assemblies.
*/
for (i = 0; i < amodule->image_table_len; ++i)
- load_image (amodule, i);
+ load_image (amodule, i, FALSE);
if (amodule->out_of_date) {
mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_AOT, "AOT Module %s is unusable because a dependency is out-of-date.\n", assembly->image->name);
info->has_references = (flags >> 5) & 0x1;
info->has_static_refs = (flags >> 6) & 0x1;
info->no_special_static_fields = (flags >> 7) & 0x1;
+ info->is_generic_container = (flags >> 8) & 0x1;
if (info->has_cctor) {
MonoImage *cctor_image = decode_method_ref (module, &info->cctor_token, NULL, NULL, buf, &buf);
if (MONO_CLASS_IS_INTERFACE (klass) || klass->rank || !aot_module)
return NULL;
- info = &aot_module->class_info [aot_module->class_info_offsets [mono_metadata_token_index (klass->type_token) - 1]];
+ info = &aot_module->blob [mono_aot_get_offset (aot_module->class_info_offsets, mono_metadata_token_index (klass->type_token) - 1)];
p = info;
err = decode_cached_class_info (aot_module, &class_info, p, &p);
if (klass->rank || !aot_module)
return FALSE;
- p = (guint8*)&aot_module->class_info [aot_module->class_info_offsets [mono_metadata_token_index (klass->type_token) - 1]];
+ p = (guint8*)&aot_module->blob [mono_aot_get_offset (aot_module->class_info_offsets, mono_metadata_token_index (klass->type_token) - 1)];
err = decode_cached_class_info (aot_module, res, p, &p);
if (!err)
full_name = g_strdup_printf ("%s.%s", name_space, name);
}
}
- hash = mono_aot_str_hash (full_name) % table_size;
+ hash = mono_metadata_str_hash (full_name) % table_size;
if (full_name != full_name_buf)
g_free (full_name);
* file belong to CODE, and construct a MonoJitInfo structure from it.
* LOCKING: Acquires the domain lock.
*/
-static void
+static G_GNUC_UNUSED void
decode_eh_frame (MonoAotModule *amodule, MonoDomain *domain,
MonoMethod *method, guint8 *code, MonoJitInfo *jinfo)
{
guint32 eh_frame_ptr;
int fde_count;
gint32 *table;
- int pos, left, right, offset, offset1, offset2;
+ int i, pos, left, right, offset, offset1, offset2;
guint32 unw_len, code_len;
+ MonoJitExceptionInfo *ei;
+ guint32 ei_len;
g_assert (amodule->eh_frame_hdr);
eh_frame = amodule->eh_frame_hdr + table [(pos * 2) + 1];
- unwind_info = mono_unwind_get_ops_from_fde (eh_frame, &unw_len, &code_len);
+ unwind_info = mono_unwind_decode_fde (eh_frame, &unw_len, &code_len, &ei, &ei_len, NULL);
jinfo->code_size = code_len;
jinfo->used_regs = mono_cache_unwind_info (unwind_info, unw_len);
jinfo->domain_neutral = 0;
/* This signals that used_regs points to a normal cached unwind info */
jinfo->from_aot = 0;
+
+ g_assert (ei_len == jinfo->num_clauses);
+ for (i = 0; i < jinfo->num_clauses; ++i) {
+ MonoJitExceptionInfo *jei = &jinfo->clauses [i];
+
+ jei->try_start = ei [i].try_start;
+ jei->try_end = ei [i].try_end;
+ jei->handler_start = ei [i].handler_start;
+ }
+}
+
+#ifdef TARGET_ARM
+
+/* The offsets in the table are 31 bits long, have to extend them to 32 */
+#define EXTEND_PREL31(val) ((((gint32)(val)) << 1) >> 1)
+
+static inline guint32
+decode_uleb128 (guint8 *buf, guint8 **endbuf)
+{
+ guint8 *p = buf;
+ guint32 res = 0;
+ int shift = 0;
+
+ while (TRUE) {
+ guint8 b = *p;
+ p ++;
+
+ res = res | (((int)(b & 0x7f)) << shift);
+ if (!(b & 0x80))
+ break;
+ shift += 7;
+ }
+
+ *endbuf = p;
+
+ return res;
+}
+
+static GSList*
+decode_arm_eh_ops (guint8 *unwind_ops, int nops)
+{
+ int i, vsp_reg, vsp_offset;
+ GSList *ops;
+ gint32 *reg_offsets;
+
+ /*
+ * Have to convert the ARM unwind info into DWARF unwind info.
+ * The ARM unwind info specifies a simple set of instructions which need to be
+ * executed during unwinding. It manipulates a virtual stack pointer (vsp). The
+ * connection with DWARF unwind info is the following: after all ARM unwind
+ * opcodes have been executed, the stack should be completely unwound, i.e.
+ * vsp == DWARF CFA. This allows us to construct the DWARF opcodes corresponding
+ * to the ARM opcodes.
+ * The ARM unwind info is not instruction precise, i. e. it can't handle
+ * async exceptions etc.
+ */
+ /* The reg used to compute the initial value of vsp */
+ vsp_reg = ARMREG_SP;
+ /* The offset between vsp_reg and the CFA */
+ vsp_offset = 0;
+
+ /* The register save offsets from the initial value of vsp */
+ reg_offsets = g_new0 (gint32, 16);
+ for (i = 0; i < 16; ++i)
+ reg_offsets [i] = -1;
+
+ /* section 9.3 in the ehabi doc */
+ for (i = 0; i < nops; ++i) {
+ guint8 op = unwind_ops [i];
+
+ if ((op >> 6) == 0) {
+ /* vsp = vsp + (xxxxxx << 2) + 4. */
+ vsp_offset += ((op & 0x3f) << 2) + 4;
+ } else if ((op >> 6) == 1) {
+ /* vsp = vsp - (xxxxxx << 2) - 4. */
+ vsp_offset -= ((op & 0x3f) << 2) + 4;
+ } else if (op == 0xb2) {
+ /* vsp = vsp = vsp + 0x204 + (uleb128 << 2) */
+ guint8 *p = unwind_ops + i + 1;
+ guint32 v = decode_uleb128 (p, &p);
+
+ vsp_offset += 0x204 + (v << 2);
+ i = (p - unwind_ops) - 1;
+ } else if (op >= 0x80 && op <= 0x8f) {
+ /* pop registers */
+ guint8 op2;
+ GSList *regs;
+ int j;
+
+ g_assert (i + 1 < nops);
+ op2 = unwind_ops [i + 1];
+
+ regs = NULL;
+ for (j = 0; j < 8; ++j)
+ if (op2 & (0x1 << j))
+ regs = g_slist_append (regs, GUINT_TO_POINTER (ARMREG_R4 + j));
+ for (j = 0; j < 4; ++j)
+ if (op & (0x1 << j))
+ regs = g_slist_append (regs, GUINT_TO_POINTER (ARMREG_R12 + j));
+ g_assert (regs);
+
+ for (j = 0; j < g_slist_length (regs); ++j)
+ reg_offsets [GPOINTER_TO_UINT (g_slist_nth (regs, j)->data)] = vsp_offset + (j * 4);
+
+ vsp_offset += g_slist_length (regs) * 4;
+
+ g_slist_free (regs);
+
+ i ++;
+ } else if (op >= 0xa8 && op <= 0xaf) {
+ GSList *regs;
+ int j;
+
+ /* pop r4-r[4 + nnn], r14 */
+
+ regs = NULL;
+ for (j = 0; j <= (op & 0x7); ++j)
+ regs = g_slist_append (regs, GUINT_TO_POINTER (ARMREG_R4 + j));
+ regs = g_slist_append (regs, GUINT_TO_POINTER (ARMREG_R14));
+
+ for (j = 0; j < g_slist_length (regs); ++j)
+ reg_offsets [GPOINTER_TO_UINT (g_slist_nth (regs, j)->data)] = vsp_offset + (j * 4);
+
+ vsp_offset += g_slist_length (regs) * 4;
+
+ g_slist_free (regs);
+ } else if (op == 0xb0) {
+ /* finish */
+ break;
+ } else if (op >= 0x90 && op <= 0x9f && op != 0x9d && op != 0x9f) {
+ /* vsp = <reg> */
+ vsp_reg = op & 0xf;
+ vsp_offset = 0;
+ } else {
+ int j;
+
+ for (j = 0; j < nops; ++j)
+ printf ("%x ", unwind_ops [j]);
+ printf (" / %d\n", i);
+ g_assert_not_reached ();
+ }
+ }
+
+ ops = NULL;
+
+ /* vsp_reg + vsp_offset = CFA */
+ mono_add_unwind_op_def_cfa (ops, (guint8*)NULL, (guint8*)NULL, vsp_reg, vsp_offset);
+
+ for (i = 0; i < 16; ++i) {
+ if (reg_offsets [i] != -1)
+ /* The reg is saved at vsp_reg + reg_offset [i] == CFA - (vsp_offset - reg_offset [i]) */
+ mono_add_unwind_op_offset (ops, (guint8*)NULL, (guint8*)NULL, i, - (vsp_offset - reg_offsets [i]));
+ }
+
+ return ops;
}
+/*
+ * decode_arm_exidx:
+ *
+ * Decode the exception handling information in the .ARM.exidx section of the AOT
+ * file belong to CODE, and construct a MonoJitInfo structure from it.
+ * LOCKING: Acquires the domain lock.
+ */
+static void
+decode_arm_exidx (MonoAotModule *amodule, MonoDomain *domain,
+ MonoMethod *method, guint8 *code, guint32 code_len, MonoJitInfo *jinfo)
+{
+ guint32 *table;
+ guint8 *base, *code1, *code2;
+ int i, pos, left, right, offset, offset1, offset2, count, nwords, nops;
+ guint32 entry;
+ guint8 unwind_ops [64];
+ GSList *ops;
+ guint8 *unwind_info;
+ guint32 unw_len;
+
+ g_assert (amodule->arm_exidx);
+
+ table = (guint32*)amodule->arm_exidx;
+
+ /*
+ * The table format is described in:
+ * infocenter.arm.com/help/topic/com.arm.doc.../IHI0038A_ehabi.pdf
+ */
+
+ base = amodule->arm_exidx;
+ count = amodule->arm_exidx_size / 8;
+
+ /* Binary search in the table to find the entry for code */
+ offset = code - base;
+
+ left = 0;
+ right = count;
+ while (TRUE) {
+ pos = (left + right) / 2;
+
+ if (left == right)
+ break;
+
+ offset1 = EXTEND_PREL31 (table [(pos * 2)]);
+ code1 = (guint8*)&(table [pos * 2]) + offset1;
+ if (pos + 1 == count)
+ /* FIXME: */
+ offset2 = amodule->code_end - amodule->code;
+ else
+ offset2 = EXTEND_PREL31 (table [(pos + 1) * 2]);
+ code2 = (guint8*)&(table [(pos + 1) * 2]) + offset2;
+
+ if (code < code1)
+ right = pos;
+ else if (code >= code2)
+ left = pos + 1;
+ else
+ break;
+ }
+
+ if (code >= code1) {
+ /*
+ * The linker might merge duplicate unwind table entries, so
+ * offset1 and offset2 might point to another method, but this is not a problem.
+ */
+ code1 = (guint8*)&(table [pos * 2]) + offset1;
+ code2 = (guint8*)&(table [(pos + 1) * 2]) + offset2;
+
+ g_assert (code >= code1);
+ if (pos < count)
+ g_assert (code < code2);
+
+ entry = table [(pos * 2) + 1];
+
+ /* inline entry, compact model, personality routine 0 */
+ if ((entry & 0xff000000) == 0x80000000) {
+ nops = 3;
+ unwind_ops [0] = (entry & 0x00ff0000) >> 16;
+ unwind_ops [1] = (entry & 0x0000ff00) >> 8;
+ unwind_ops [2] = (entry & 0x000000ff) >> 0;
+
+ ops = decode_arm_eh_ops (unwind_ops, nops);
+ } else if ((entry & 0x80000000) == 0) {
+ /* non-inline entry */
+ guint8 *data = (guint8*)&table [(pos * 2) + 1] + EXTEND_PREL31 (entry);
+
+ entry = ((guint32*)data) [0];
+
+ /* compact model, personality routine 1 */
+ g_assert ((entry & 0xff000000) == 0x81000000);
+
+ nwords = (entry & 0x00ff0000) >> 16;
+ nops = nwords * 4 + 2;
+ g_assert (nops < 64);
+
+ unwind_ops [0] = (entry & 0x0000ff00) >> 8;
+ unwind_ops [1] = (entry & 0x000000ff) >> 0;
+
+ for (i = 0; i < nwords; ++i) {
+ entry = ((guint32*)data) [1 + i];
+ unwind_ops [(i * 4) + 2] = (entry & 0xff000000) >> 24;
+ unwind_ops [(i * 4) + 2 + 1] = (entry & 0x00ff0000) >> 16;
+ unwind_ops [(i * 4) + 2 + 2] = (entry & 0x0000ff00) >> 8;
+ unwind_ops [(i * 4) + 2 + 3] = (entry & 0x000000ff) >> 0;
+ }
+
+ ops = decode_arm_eh_ops (unwind_ops, nops);
+ } else {
+ NOT_IMPLEMENTED;
+ }
+
+ unwind_info = mono_unwind_ops_encode (ops, &unw_len);
+ } else {
+ /* The method has no unwind info */
+ unwind_info = NULL;
+ unw_len = 0;
+ }
+
+ jinfo->code_size = code_len;
+ jinfo->used_regs = mono_cache_unwind_info (unwind_info, unw_len);
+ jinfo->method = method;
+ jinfo->code_start = code;
+ jinfo->domain_neutral = 0;
+ /* This signals that used_regs points to a normal cached unwind info */
+ jinfo->from_aot = 0;
+}
+#endif
+
/*
* LOCKING: Acquires the domain lock.
*/
static MonoJitInfo*
decode_exception_debug_info (MonoAotModule *amodule, MonoDomain *domain,
MonoMethod *method, guint8* ex_info, guint8 *addr,
- guint8 *code)
+ guint8 *code, guint32 code_len)
{
int i, buf_len;
MonoJitInfo *jinfo;
- guint code_len, used_int_regs, flags;
+ guint used_int_regs, flags;
gboolean has_generic_jit_info, has_dwarf_unwind_info, has_clauses, has_seq_points;
+ gboolean from_llvm;
guint8 *p;
int generic_info_size;
/* Load the method info from the AOT file */
p = ex_info;
- code_len = decode_value (p, &p);
flags = decode_value (p, &p);
has_generic_jit_info = (flags & 1) != 0;
has_dwarf_unwind_info = (flags & 2) != 0;
has_clauses = (flags & 4) != 0;
has_seq_points = (flags & 8) != 0;
+ from_llvm = (flags & 16) != 0;
if (has_dwarf_unwind_info) {
guint32 offset;
jinfo = mono_domain_alloc0 (domain, MONO_SIZEOF_JIT_INFO + generic_info_size);
}
- if (code_len == 0) {
+ if (from_llvm) {
/* LLVM compiled method */
/* The info is in the .eh_frame section */
- decode_eh_frame (amodule, domain, method, code, jinfo);
+#ifdef TARGET_ARM
+ decode_arm_exidx (amodule, domain, method, code, code_len, jinfo);
+#else
+ decode_eh_frame (amodule, domain, method, code, jinfo);
+#endif
+ jinfo->from_llvm = 1;
} else {
jinfo->code_size = code_len;
jinfo->used_regs = used_int_regs;
}
if (has_seq_points) {
- GPtrArray *seq_points;
- int il_offset, native_offset, last_il_offset, last_native_offset;
+ MonoSeqPointInfo *seq_points;
+ int il_offset, native_offset, last_il_offset, last_native_offset, j;
int len = decode_value (p, &p);
- seq_points = g_ptr_array_new ();
+ seq_points = g_malloc0 (sizeof (MonoSeqPointInfo) + (len - MONO_ZERO_LEN_ARRAY) * sizeof (SeqPoint));
last_il_offset = last_native_offset = 0;
- for (i = 0; i < len; i += 2) {
+ for (i = 0; i < len; ++i) {
+ SeqPoint *sp = &seq_points->seq_points [i];
il_offset = last_il_offset + decode_value (p, &p);
native_offset = last_native_offset + decode_value (p, &p);
- g_ptr_array_add (seq_points, GINT_TO_POINTER (il_offset));
- g_ptr_array_add (seq_points, GINT_TO_POINTER (native_offset));
+ sp->il_offset = il_offset;
+ sp->native_offset = native_offset;
+
+ sp->next_len = decode_value (p, &p);
+ sp->next = g_new (int, sp->next_len);
+ for (j = 0; j < sp->next_len; ++j)
+ sp->next [j] = decode_value (p, &p);
last_il_offset = il_offset;
last_native_offset = native_offset;
MonoJitInfo *
mono_aot_find_jit_info (MonoDomain *domain, MonoImage *image, gpointer addr)
{
- int pos, left, right, offset, offset1, offset2;
+ int pos, left, right, offset, offset1, offset2, code_len;
int method_index, table_len, is_wrapper;
guint32 token;
MonoAotModule *amodule = image->aot_module;
g_assert (offset < code_offsets [((pos + 1) * 2)]);
method_index = code_offsets [(pos * 2) + 1];
+ code = &amodule->code [amodule->code_offsets [method_index]];
+ ex_info = &amodule->blob [mono_aot_get_offset (amodule->ex_info_offsets, method_index)];
+
+ if (pos == nmethods - 1)
+ code_len = amodule->code_end - code;
+ else
+ code_len = code_offsets [(pos + 1) * 2] - code_offsets [pos * 2];
+
+ g_assert ((guint8*)code <= (guint8*)addr && (guint8*)addr < (guint8*)code + code_len);
+
/* Might be a wrapper/extra method */
if (amodule->extra_methods) {
mono_aot_lock ();
break;
}
- p = amodule->extra_method_info + table [(pos * 2) + 1];
+ p = amodule->blob + table [(pos * 2) + 1];
is_wrapper = decode_value (p, &p);
g_assert (!is_wrapper);
method = decode_method_ref_2 (amodule, p, &p);
g_assert (method);
//printf ("F: %s\n", mono_method_full_name (method, TRUE));
-
- code = &amodule->code [amodule->code_offsets [method_index]];
- ex_info = &amodule->ex_info [amodule->ex_info_offsets [method_index]];
-
- g_assert ((guint8*)code <= (guint8*)addr);
- jinfo = decode_exception_debug_info (amodule, domain, method, ex_info, addr, code);
+ jinfo = decode_exception_debug_info (amodule, domain, method, ex_info, addr, code, code_len);
g_assert ((guint8*)addr >= (guint8*)jinfo->code_start);
g_assert ((guint8*)addr < (guint8*)jinfo->code_start + jinfo->code_size);
goto cleanup;
break;
case MONO_PATCH_INFO_IMAGE:
- ji->data.image = load_image (aot_module, decode_value (p, &p));
+ ji->data.image = load_image (aot_module, decode_value (p, &p), TRUE);
if (!ji->data.image)
goto cleanup;
break;
val [0] = decode_value (p, &p);
val [1] = decode_value (p, &p);
- // FIXME: Is this correct ?
v = ((guint64)val [1] << 32) | ((guint64)val [0]);
*(double*)ji->data.target = *(double*)&v;
break;
}
case MONO_PATCH_INFO_LDSTR:
- image = load_image (aot_module, decode_value (p, &p));
+ image = load_image (aot_module, decode_value (p, &p), TRUE);
if (!image)
goto cleanup;
ji->data.token = mono_jump_info_token_new (mp, image, MONO_TOKEN_STRING + decode_value (p, &p));
case MONO_PATCH_INFO_LDTOKEN:
case MONO_PATCH_INFO_TYPE_FROM_HANDLE:
/* Shared */
- image = load_image (aot_module, decode_value (p, &p));
+ image = load_image (aot_module, decode_value (p, &p), TRUE);
if (!image)
goto cleanup;
ji->data.token = mono_jump_info_token_new (mp, image, decode_value (p, &p));
}
case MONO_PATCH_INFO_SEQ_POINT_INFO:
break;
+ case MONO_PATCH_INFO_LLVM_IMT_TRAMPOLINE: {
+ MonoJumpInfoImtTramp *imt_tramp = mono_mempool_alloc0 (mp, sizeof (MonoJumpInfoImtTramp));
+
+ imt_tramp->method = decode_method_ref_2 (aot_module, p, &p);
+ imt_tramp->vt_offset = decode_value (p, &p);
+
+ ji->data.imt_tramp = imt_tramp;
+ break;
+ }
default:
g_warning ("unhandled type %d", ji->type);
g_assert_not_reached ();
/* Already loaded */
//printf ("HIT!\n");
} else {
- shared_p = aot_module->got_info + aot_module->got_info_offsets [got_offset];
+ shared_p = aot_module->blob + mono_aot_get_offset (aot_module->got_info_offsets, got_offset);
ji->type = decode_value (shared_p, &shared_p);
MonoMemPool *mp;
int i, pindex, n_patches, used_strings;
gboolean keep_patches = TRUE;
- guint8 *p, *ex_info;
+ guint8 *p;
MonoJitInfo *jinfo = NULL;
guint8 *code, *info;
if (mono_profiler_get_events () & MONO_PROFILE_ENTER_LEAVE)
return NULL;
- if ((domain != mono_get_root_domain ()) && (!(amodule->opts & MONO_OPT_SHARED)))
+ if ((domain != mono_get_root_domain ()) && (!(amodule->info.opts & MONO_OPT_SHARED)))
/* Non shared AOT code can't be used in other appdomains */
return NULL;
}
code = &amodule->code [amodule->code_offsets [method_index]];
- info = &amodule->method_info [amodule->method_info_offsets [method_index]];
+
+ info = &amodule->blob [mono_aot_get_offset (amodule->method_info_offsets, method_index)];
mono_aot_lock ();
if (!amodule->methods_loaded)
if (mono_jit_stats.methods_aot >= mono_last_aot_method)
return NULL;
else if (mono_jit_stats.methods_aot == mono_last_aot_method - 1) {
- if (method)
- printf ("LAST AOT METHOD: %s%s%s.%s.\n", method->klass->name_space, method->klass->name_space [0] ? "." : "", method->klass->name, method->name);
- else
+ if (!method)
+ method = mono_get_method (image, token, NULL);
+ if (method) {
+ char *name = mono_method_full_name (method, TRUE);
+ printf ("LAST AOT METHOD: %s.\n", name);
+ g_free (name);
+ } else {
printf ("LAST AOT METHOD: %p %d\n", code, method_index);
+ }
}
}
klass = decode_klass_ref (amodule, p, &p);
}
- if (amodule->opts & MONO_OPT_SHARED)
+ if (amodule->info.opts & MONO_OPT_SHARED)
used_strings = decode_value (p, &p);
else
used_strings = 0;
mono_ldstr (mono_get_root_domain (), image, mono_metadata_token_index (token));
}
- if (amodule->opts & MONO_OPT_SHARED)
+ if (amodule->info.opts & MONO_OPT_SHARED)
keep_patches = FALSE;
n_patches = decode_value (p, &p);
full_name = mono_method_full_name (method, TRUE);
- if (!jinfo) {
- ex_info = &amodule->ex_info [amodule->ex_info_offsets [method_index]];
- jinfo = decode_exception_debug_info (amodule, domain, method, ex_info, code, code);
- }
+ if (!jinfo)
+ jinfo = mono_aot_find_jit_info (domain, amodule->assembly->image, code);
mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_AOT, "AOT FOUND AOT compiled code for %s %p - %p %p\n", full_name, code, code + jinfo->code_size, info);
g_free (full_name);
cleanup:
/* FIXME: The space in domain->mp is wasted */
- if (amodule->opts & MONO_OPT_SHARED)
+ if (amodule->info.opts & MONO_OPT_SHARED)
/* No need to cache patches */
mono_mempool_destroy (mp);
}
static guint32
-find_extra_method_in_amodule (MonoAotModule *amodule, MonoMethod *method)
+find_extra_method_in_amodule (MonoAotModule *amodule, MonoMethod *method, const char *name)
{
guint32 table_size, entry_size, hash;
guint32 *table, *entry;
- char *name = NULL;
guint32 index;
static guint32 n_extra_decodes;
table = amodule->extra_method_table + 1;
entry_size = 3;
- if (method->wrapper_type) {
- name = mono_aot_wrapper_name (method);
- }
-
hash = mono_aot_method_hash (method) % table_size;
entry = &table [hash * entry_size];
guint8 *p;
int is_wrapper_name;
- p = amodule->extra_method_info + key;
+ p = amodule->blob + key;
is_wrapper_name = decode_value (p, &p);
if (is_wrapper_name) {
int wrapper_type = decode_value (p, &p);
break;
}
- g_free (name);
return index;
}
guint32 index;
GPtrArray *modules;
int i;
+ char *name = NULL;
+
+ if (method->wrapper_type)
+ name = mono_aot_wrapper_name (method);
/* Try the method's module first */
*out_amodule = method->klass->image->aot_module;
- index = find_extra_method_in_amodule (method->klass->image->aot_module, method);
- if (index != 0xffffff)
+ index = find_extra_method_in_amodule (method->klass->image->aot_module, method, name);
+ if (index != 0xffffff) {
+ g_free (name);
return index;
+ }
/*
* Try all other modules.
MonoAotModule *amodule = g_ptr_array_index (modules, i);
if (amodule != method->klass->image->aot_module)
- index = find_extra_method_in_amodule (amodule, method);
+ index = find_extra_method_in_amodule (amodule, method, name);
if (index != 0xffffff) {
*out_amodule = amodule;
break;
g_ptr_array_free (modules, TRUE);
+ g_free (name);
return index;
}
code = mono_aot_get_method (domain, m);
if (code) {
- if (mono_method_needs_static_rgctx_invoke (m, FALSE))
- code = mono_create_static_rgctx_trampoline (m, code);
+ if (mono_method_needs_static_rgctx_invoke (m, FALSE)) {
+ code = mono_create_static_rgctx_trampoline (m, mono_create_ftnptr (domain, code));
+ /* The call above returns an ftnptr */
+ code = mono_get_addr_from_ftnptr (code);
+ }
return code;
}
*
* This function is called by the entries in the PLT to resolve the actual method that
* needs to be called. It returns a trampoline to the method and patches the PLT entry.
+ * Returns NULL if the something cannot be loaded.
*/
gpointer
mono_aot_plt_resolve (gpointer aot_module, guint32 plt_info_offset, guint8 *code)
//printf ("DYN: %p %d\n", aot_module, plt_info_offset);
- p = &module->got_info [plt_info_offset];
+ p = &module->blob [plt_info_offset];
ji.type = decode_value (p, &p);
mp = mono_mempool_new_size (512);
res = decode_patch (module, mp, &ji, p, &p);
- // FIXME: Error handling (how ?)
- g_assert (res);
+
+ if (!res) {
+ mono_mempool_destroy (mp);
+ return NULL;
+ }
/*
* Avoid calling resolve_patch_target in the full-aot case if possible, since
target = mono_resolve_patch_target (NULL, mono_domain_get (), NULL, &ji, TRUE);
}
- // FIXME: Clean this up, but how ?
- if (ji.type != MONO_PATCH_INFO_ABS && ji.type != MONO_PATCH_INFO_INTERNAL_METHOD && ji.type != MONO_PATCH_INFO_CLASS_INIT && ji.type != MONO_PATCH_INFO_GENERIC_CLASS_INIT && ji.type != MONO_PATCH_INFO_ICALL_ADDR && ji.type != MONO_PATCH_INFO_JIT_ICALL_ADDR && !no_ftnptr) {
+ /*
+ * The trampoline expects us to return a function descriptor on platforms which use
+ * it, but resolve_patch_target returns a direct function pointer for some type of
+ * patches, so have to translate between the two.
+ * FIXME: Clean this up, but how ?
+ */
+ if (ji.type == MONO_PATCH_INFO_ABS || ji.type == MONO_PATCH_INFO_INTERNAL_METHOD || ji.type == MONO_PATCH_INFO_CLASS_INIT || ji.type == MONO_PATCH_INFO_ICALL_ADDR || ji.type == MONO_PATCH_INFO_JIT_ICALL_ADDR || ji.type == MONO_PATCH_INFO_RGCTX_FETCH) {
+ /* These should already have a function descriptor */
+#ifdef PPC_USES_FUNCTION_DESCRIPTOR
+ /* Our function descriptors have a 0 environment, gcc created ones don't */
+ if (ji.type != MONO_PATCH_INFO_INTERNAL_METHOD && ji.type != MONO_PATCH_INFO_JIT_ICALL_ADDR && ji.type != MONO_PATCH_INFO_ICALL_ADDR)
+ g_assert (((gpointer*)target) [2] == 0);
+#endif
+ /* Empty */
+ } else if (!no_ftnptr) {
#ifdef PPC_USES_FUNCTION_DESCRIPTOR
g_assert (((gpointer*)target) [2] != 0);
#endif
/* Nothing to patch */
return code;
+ p = amodule->blob + *(guint32*)p;
+
/* Similar to mono_aot_load_method () */
n_patches = decode_value (p, &p);
symbol = g_strdup_printf ("rgctx_fetch_trampoline_%u", slot);
code = load_function (mono_defaults.corlib->aot_module, symbol);
g_free (symbol);
- return code;
+ /* The caller expects an ftnptr */
+ return mono_create_ftnptr (mono_domain_get (), code);
}
gpointer
projects / mono.git / blobdiff