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✄ export default e;export{e as EventEmitter,l as once};function e(){e.init.call(this)}e.EventEmitter=e,e.prototype._events=void 0,e.prototype._eventsCount=0,e.prototype._maxListeners=void 0;let t=10;function n(e){if("function"!=typeof e)throw new TypeError('The "listener" argument must be of type Function. Received type '+typeof e)}function r(t){return void 0===t._maxListeners?e.defaultMaxListeners:t._maxListeners}function i(e,t,i,o){let s;n(i);let u=e._events;if(void 0===u?(u=e._events=Object.create(null),e._eventsCount=0):(void 0!==u.newListener&&(e.emit("newListener",t,i.listener?i.listener:i),u=e._events),s=u[t]),void 0===s)s=u[t]=i,++e._eventsCount;else{"function"==typeof s?s=u[t]=o?[i,s]:[s,i]:o?s.unshift(i):s.push(i);const n=r(e);if(n>0&&s.length>n&&!s.warned){s.warned=!0;const n=new Error("Possible EventEmitter memory leak detected. "+s.length+" "+String(t)+" listeners added. Use emitter.setMaxListeners() to increase limit");n.name="MaxListenersExceededWarning",n.emitter=e,n.type=t,n.count=s.length,f=n,console.warn(f)}}var f;return e}function o(){if(!this.fired)return this.target.removeListener(this.type,this.wrapFn),this.fired=!0,0===arguments.length?this.listener.call(this.target):this.listener.apply(this.target,arguments)}function s(e,t,n){const r={fired:!1,wrapFn:void 0,target:e,type:t,listener:n},i=o.bind(r);return i.listener=n,r.wrapFn=i,i}function u(e,t,n){const r=e._events;if(void 0===r)return[];const i=r[t];return void 0===i?[]:"function"==typeof i?n?[i.listener||i]:[i]:n?function(e){const t=new Array(e.length);for(let n=0;n0&&(e=t[0]),e instanceof Error)throw e;const n=new Error("Unhandled error."+(e?" ("+e.message+")":""));throw n.context=e,n}const i=r[e];if(void 0===i)return!1;if("function"==typeof i)Reflect.apply(i,this,t);else{const e=i.length,n=c(i,e);for(let r=0;r=0;e--)if(i[e]===t||i[e].listener===t){n=i[e].listener,o=e;break}if(o<0)return this;0===o?i.shift():function(e,t){for(;t+1=0;t--)this.removeListener(e,n[t]);return this},e.prototype.listeners=function(e){return u(this,e,!0)},e.prototype.rawListeners=function(e){return u(this,e,!1)},e.listenerCount=function(e,t){return"function"==typeof e.listenerCount?e.listenerCount(t):f.call(e,t)},e.prototype.listenerCount=f,e.prototype.eventNames=function(){return this._eventsCount>0?Reflect.ownKeys(this._events):[]}; ✄ {"version":3,"file":"backend.js","names":["code"],"sourceRoot":"/Users/oleavr/src/frida/frida-tools/agents/itracer/node_modules/frida-itrace/dist/","sources":[""],"mappings":"OAAO,MAAMA,KAAO"} ✄ export const code='#line 2 "backend.ts"\n#include \n#include \n#include \n#include \n\n#define RED_ZONE_SIZE 128\n\n#define SCRATCH_REG_BOTTOM ARM64_REG_X21\n#define SCRATCH_REG_TOP ARM64_REG_X28\n\n#define SCRATCH_REG_INDEX(r) ((r) - SCRATCH_REG_BOTTOM)\n#define SCRATCH_REG_OFFSET(r) (SCRATCH_REG_INDEX (r) * 8)\n\ntypedef enum _ITraceState ITraceState;\ntypedef struct _ITraceSession ITraceSession;\ntypedef struct _ITraceBuffer ITraceBuffer;\n\nenum _ITraceState\n{\n ITRACE_STATE_CREATED,\n ITRACE_STATE_STARTING,\n ITRACE_STATE_STARTED,\n ITRACE_STATE_ENDED,\n};\n\nstruct _ITraceSession\n{\n ITraceState state;\n ITraceBuffer * buffer;\n guint64 pending_size;\n guint64 saved_regs[2];\n guint64 stack[64];\n guint64 scratch_regs[SCRATCH_REG_TOP - SCRATCH_REG_BOTTOM + 1];\n guint64 log_buf[1969];\n GumAddress write_impl;\n GumModuleMap * modules;\n};\n\nextern ITraceSession session;\nextern void * end_address;\n\nextern void on_start (const gchar * meta_json, const GumCpuContext * cpu_context, guint length);\nextern void on_end (void);\nextern void on_compile (const gchar * meta_json);\nextern void on_panic (const gchar * message);\n\nstatic void on_first_block_hit (GumCpuContext * cpu_context, gpointer user_data);\nstatic void on_end_instruction_hit (GumCpuContext * cpu_context, gpointer user_data);\nstatic void add_cpu_register_meta (JsonBuilder * meta, const gchar * name, guint size);\nstatic void add_block_write_meta (JsonBuilder * meta, guint block_offset, guint cpu_reg_index);\nstatic void add_memory_address (JsonBuilder * builder, GumAddress address);\nstatic gchar * make_json (JsonBuilder ** builder);\nstatic arm64_reg pick_scratch_register (cs_regs regs_read, uint8_t num_regs_read, cs_regs regs_written, uint8_t num_regs_written);\nstatic arm64_reg register_to_full_size_register (arm64_reg reg);\nstatic void emit_scratch_register_restore (GumArm64Writer * cw, arm64_reg reg);\nstatic void emit_buffer_write_impl (GumArm64Writer * cw);\n\nstatic void panic (const char * format, ...);\n\nvoid\ninit (void)\n{\n session.modules = gum_module_map_new ();\n}\n\nvoid\nfinalize (void)\n{\n g_object_unref (session.modules);\n}\n\nvoid\ntransform (GumStalkerIterator * iterator,\n GumStalkerOutput * output,\n gpointer user_data)\n{\n GumArm64Writer * cw = output->writer.arm64;\n csh capstone = gum_stalker_iterator_get_capstone (iterator);\n\n guint num_instructions = 0;\n GumAddress block_address = 0;\n guint log_buf_offset = 16;\n arm64_reg prev_session_reg = ARM64_REG_INVALID;\n\n JsonBuilder * meta = json_builder_new_immutable ();\n json_builder_begin_object (meta);\n\n cs_insn * insn;\n while (gum_stalker_iterator_next (iterator, &insn))\n {\n num_instructions++;\n\n gboolean is_first_in_block = num_instructions == 1;\n gboolean is_last_in_block = cs_insn_group (capstone, insn, CS_GRP_JUMP) || cs_insn_group (capstone, insn, CS_GRP_RET);\n\n if (is_first_in_block)\n {\n block_address = insn->address;\n\n json_builder_set_member_name (meta, "writes");\n json_builder_begin_array (meta);\n }\n\n if (session.state == ITRACE_STATE_CREATED)\n {\n session.state = ITRACE_STATE_STARTING;\n gum_stalker_iterator_put_callout (iterator, on_first_block_hit, NULL, NULL);\n }\n\n if (end_address != NULL && GUM_ADDRESS (end_address) == insn->address)\n {\n gum_stalker_iterator_put_callout (iterator, on_end_instruction_hit, NULL, NULL);\n }\n\n cs_regs regs_read, regs_written;\n uint8_t num_regs_read, num_regs_written;\n cs_regs_access (capstone, insn, regs_read, &num_regs_read, regs_written, &num_regs_written);\n for (uint8_t i = 0; i != num_regs_read; i++)\n regs_read[i] = register_to_full_size_register (regs_read[i]);\n for (uint8_t i = 0; i != num_regs_written; i++)\n regs_written[i] = register_to_full_size_register (regs_written[i]);\n\n arm64_reg session_reg = is_last_in_block\n ? SCRATCH_REG_TOP\n : pick_scratch_register (regs_read, num_regs_read, regs_written, num_regs_written);\n\n if (session_reg != prev_session_reg)\n {\n if (prev_session_reg != ARM64_REG_INVALID)\n gum_arm64_writer_put_mov_reg_reg (cw, session_reg, prev_session_reg);\n else\n gum_arm64_writer_put_ldr_reg_address (cw, session_reg, GUM_ADDRESS (&session));\n }\n\n if (prev_session_reg != ARM64_REG_INVALID && session_reg != prev_session_reg)\n emit_scratch_register_restore (cw, prev_session_reg);\n\n if (is_first_in_block)\n {\n gum_arm64_writer_put_str_reg_reg_offset (cw, ARM64_REG_LR, session_reg, G_STRUCT_OFFSET (ITraceSession, log_buf) + 8);\n add_block_write_meta (meta, insn->address - block_address, 33);\n }\n\n if (is_last_in_block)\n {\n gum_arm64_writer_put_stp_reg_reg_reg_offset (cw, ARM64_REG_X27, ARM64_REG_LR,\n session_reg, G_STRUCT_OFFSET (ITraceSession, saved_regs), GUM_INDEX_SIGNED_OFFSET);\n gum_arm64_writer_put_ldr_reg_address (cw, ARM64_REG_X27, block_address);\n gum_arm64_writer_put_str_reg_reg_offset (cw, ARM64_REG_X27, session_reg, G_STRUCT_OFFSET (ITraceSession, log_buf));\n gum_arm64_writer_put_ldr_reg_u64 (cw, ARM64_REG_X27, log_buf_offset);\n gum_arm64_writer_put_str_reg_reg_offset (cw, ARM64_REG_X27, session_reg, G_STRUCT_OFFSET (ITraceSession, pending_size));\n\n if (session.write_impl == 0 ||\n !gum_arm64_writer_can_branch_directly_between (cw, cw->pc, session.write_impl))\n {\n gconstpointer after_write_impl = cw->code + 1;\n\n gum_arm64_writer_put_b_label (cw, after_write_impl);\n\n session.write_impl = cw->pc;\n emit_buffer_write_impl (cw);\n\n gum_arm64_writer_put_label (cw, after_write_impl);\n }\n\n gum_arm64_writer_put_bl_imm (cw, session.write_impl);\n\n gum_arm64_writer_put_ldp_reg_reg_reg_offset (cw, ARM64_REG_X27, ARM64_REG_LR,\n session_reg, G_STRUCT_OFFSET (ITraceSession, saved_regs), GUM_INDEX_SIGNED_OFFSET);\n\n emit_scratch_register_restore (cw, session_reg);\n }\n\n gum_stalker_iterator_keep (iterator);\n\n if (is_last_in_block)\n continue;\n\n guint block_offset = (insn->address + insn->size) - block_address;\n\n for (uint8_t i = 0; i != num_regs_written; i++)\n {\n arm64_reg reg = regs_written[i];\n gboolean is_scratch_reg = reg >= SCRATCH_REG_BOTTOM && reg <= SCRATCH_REG_TOP;\n if (is_scratch_reg)\n {\n gum_arm64_writer_put_str_reg_reg_offset (cw, reg,\n session_reg, G_STRUCT_OFFSET (ITraceSession, scratch_regs) + SCRATCH_REG_OFFSET (reg));\n }\n }\n\n for (uint8_t i = 0; i != num_regs_written; i++)\n {\n arm64_reg reg = regs_written[i];\n\n guint cpu_reg_index;\n arm64_reg source_reg;\n gsize size;\n arm64_reg temp_reg = ARM64_REG_INVALID;\n\n if (reg == ARM64_REG_SP)\n {\n temp_reg = ARM64_REG_X0;\n\n cpu_reg_index = 1;\n source_reg = temp_reg;\n size = 8;\n }\n else if (reg >= ARM64_REG_X0 && reg <= ARM64_REG_X28)\n {\n cpu_reg_index = 3 + (reg - ARM64_REG_X0);\n source_reg = reg;\n size = 8;\n }\n else if (reg == ARM64_REG_FP)\n {\n cpu_reg_index = 32;\n source_reg = reg;\n size = 8;\n }\n else if (reg == ARM64_REG_LR)\n {\n cpu_reg_index = 33;\n source_reg = reg;\n size = 8;\n }\n else if (reg >= ARM64_REG_Q0 && reg <= ARM64_REG_Q31)\n {\n cpu_reg_index = 34 + (reg - ARM64_REG_Q0);\n source_reg = reg;\n size = 16;\n }\n else if (reg == ARM64_REG_NZCV)\n {\n temp_reg = ARM64_REG_X0;\n\n cpu_reg_index = 2;\n source_reg = temp_reg;\n size = 8;\n }\n else if (reg == ARM64_REG_XZR || reg == ARM64_REG_WZR)\n {\n continue;\n }\n else\n {\n panic ("Unhandled register: %s", cs_reg_name (capstone, reg));\n while (TRUE)\n ;\n }\n\n if (temp_reg != ARM64_REG_INVALID)\n gum_arm64_writer_put_str_reg_reg_offset (cw, temp_reg, session_reg, G_STRUCT_OFFSET (ITraceSession, saved_regs));\n\n if (reg == ARM64_REG_SP)\n gum_arm64_writer_put_mov_reg_reg (cw, temp_reg, ARM64_REG_SP);\n else if (reg == ARM64_REG_NZCV)\n gum_arm64_writer_put_mov_reg_nzcv (cw, temp_reg);\n\n gsize offset = G_STRUCT_OFFSET (ITraceSession, log_buf) + log_buf_offset;\n gsize alignment_delta = offset % size;\n if (alignment_delta != 0)\n offset += size - alignment_delta;\n // TODO: Handle large offsets\n gum_arm64_writer_put_str_reg_reg_offset (cw, source_reg, session_reg, offset);\n add_block_write_meta (meta, block_offset, cpu_reg_index);\n log_buf_offset += size;\n\n if (temp_reg != ARM64_REG_INVALID)\n gum_arm64_writer_put_ldr_reg_reg_offset (cw, temp_reg, session_reg, G_STRUCT_OFFSET (ITraceSession, saved_regs));\n }\n\n prev_session_reg = session_reg;\n }\n\n json_builder_end_array (meta);\n\n json_builder_set_member_name (meta, "address");\n add_memory_address (meta, block_address);\n\n json_builder_set_member_name (meta, "size");\n json_builder_add_int_value (meta, (insn->address + insn->size) - block_address);\n\n json_builder_set_member_name (meta, "compiled");\n json_builder_begin_object (meta);\n {\n guint compiled_code_size = gum_arm64_writer_offset (cw);\n\n json_builder_set_member_name (meta, "address");\n add_memory_address (meta, cw->pc - compiled_code_size);\n\n json_builder_set_member_name (meta, "size");\n json_builder_add_int_value (meta, compiled_code_size);\n }\n json_builder_end_object (meta);\n\n const GumModuleDetails * m = gum_module_map_find (session.modules, block_address);\n if (m != NULL)\n {\n json_builder_set_member_name (meta, "name");\n gchar * name = g_strdup_printf ("%s!0x%x", m->name, (guint) (block_address - m->range->base_address));\n json_builder_add_string_value (meta, name);\n g_free (name);\n\n json_builder_set_member_name (meta, "module");\n json_builder_begin_object (meta);\n\n json_builder_set_member_name (meta, "path");\n json_builder_add_string_value (meta, m->path);\n\n json_builder_set_member_name (meta, "base");\n add_memory_address (meta, m->range->base_address);\n\n json_builder_end_object (meta);\n }\n else\n {\n json_builder_set_member_name (meta, "name");\n add_memory_address (meta, block_address);\n }\n\n json_builder_end_object (meta);\n\n gchar * json = make_json (&meta);\n on_compile (json);\n g_free (json);\n}\n\nstatic void\non_first_block_hit (GumCpuContext * cpu_context,\n gpointer user_data)\n{\n if (session.state != ITRACE_STATE_STARTING)\n return;\n session.state = ITRACE_STATE_STARTED;\n\n memcpy (session.scratch_regs, cpu_context->x + (SCRATCH_REG_BOTTOM - ARM64_REG_X0), sizeof (session.scratch_regs));\n\n JsonBuilder * meta = json_builder_new_immutable ();\n json_builder_begin_array (meta);\n add_cpu_register_meta (meta, "pc", sizeof (cpu_context->pc));\n add_cpu_register_meta (meta, "sp", sizeof (cpu_context->sp));\n add_cpu_register_meta (meta, "nzcv", sizeof (cpu_context->nzcv));\n for (guint i = 0; i != G_N_ELEMENTS (cpu_context->x); i++)\n {\n gchar * name = g_strdup_printf ("x%u", i);\n add_cpu_register_meta (meta, name, sizeof (cpu_context->x[0]));\n g_free (name);\n }\n add_cpu_register_meta (meta, "fp", sizeof (cpu_context->fp));\n add_cpu_register_meta (meta, "lr", sizeof (cpu_context->lr));\n for (guint i = 0; i != G_N_ELEMENTS (cpu_context->v); i++)\n {\n gchar * name = g_strdup_printf ("v%u", i);\n add_cpu_register_meta (meta, name, sizeof (cpu_context->v[0]));\n g_free (name);\n }\n json_builder_end_array (meta);\n\n gchar * json = make_json (&meta);\n on_start (json, cpu_context, sizeof (GumCpuContext));\n g_free (json);\n}\n\nstatic void\non_end_instruction_hit (GumCpuContext * cpu_context,\n gpointer user_data)\n{\n if (session.state != ITRACE_STATE_STARTED)\n return;\n session.state = ITRACE_STATE_ENDED;\n\n on_end ();\n}\n\nstatic void\nadd_cpu_register_meta (JsonBuilder * meta,\n const gchar * name,\n guint size)\n{\n json_builder_begin_object (meta);\n\n json_builder_set_member_name (meta, "name");\n json_builder_add_string_value (meta, name);\n\n json_builder_set_member_name (meta, "size");\n json_builder_add_int_value (meta, size);\n\n json_builder_end_object (meta);\n}\n\nstatic void\nadd_block_write_meta (JsonBuilder * meta,\n guint block_offset,\n guint cpu_ctx_offset)\n{\n json_builder_begin_array (meta);\n json_builder_add_int_value (meta, block_offset);\n json_builder_add_int_value (meta, cpu_ctx_offset);\n json_builder_end_array (meta);\n}\n\nstatic void\nadd_memory_address (JsonBuilder * builder,\n GumAddress address)\n{\n gchar * str = g_strdup_printf ("0x%" G_GINT64_MODIFIER "x", address);\n json_builder_add_string_value (builder, str);\n g_free (str);\n}\n\nstatic gchar *\nmake_json (JsonBuilder ** builder)\n{\n JsonBuilder * b = *builder;\n *builder = NULL;\n\n JsonNode * node = json_builder_get_root (b);\n gchar * json = json_to_string (node, FALSE);\n json_node_unref (node);\n\n g_object_unref (b);\n\n return json;\n}\n\nstatic arm64_reg\npick_scratch_register (cs_regs regs_read,\n uint8_t num_regs_read,\n cs_regs regs_written,\n uint8_t num_regs_written)\n{\n arm64_reg candidate;\n\n for (candidate = SCRATCH_REG_TOP; candidate != SCRATCH_REG_BOTTOM - 1; candidate--)\n {\n gboolean available = TRUE;\n\n for (uint8_t i = 0; i != num_regs_read; i++)\n {\n if (regs_read[i] == candidate)\n {\n available = FALSE;\n break;\n }\n }\n if (!available)\n continue;\n\n for (uint8_t i = 0; i != num_regs_written; i++)\n {\n if (regs_written[i] == candidate)\n {\n available = FALSE;\n break;\n }\n }\n if (!available)\n continue;\n\n break;\n }\n\n return candidate;\n}\n\nstatic arm64_reg\nregister_to_full_size_register (arm64_reg reg)\n{\n switch (reg)\n {\n case ARM64_REG_SP:\n case ARM64_REG_FP:\n case ARM64_REG_LR:\n case ARM64_REG_NZCV:\n case ARM64_REG_XZR:\n case ARM64_REG_WZR:\n return reg;\n }\n\n if (reg >= ARM64_REG_X0 && reg <= ARM64_REG_X28)\n return reg;\n if (reg >= ARM64_REG_W0 && reg <= ARM64_REG_W28)\n return ARM64_REG_X0 + (reg - ARM64_REG_W0);\n if (reg == ARM64_REG_W29)\n return ARM64_REG_FP;\n if (reg == ARM64_REG_W30)\n return ARM64_REG_LR;\n\n if (reg >= ARM64_REG_Q0 && reg <= ARM64_REG_Q31)\n return reg;\n if (reg >= ARM64_REG_V0 && reg <= ARM64_REG_V31)\n return ARM64_REG_Q0 + (reg - ARM64_REG_V0);\n if (reg >= ARM64_REG_D0 && reg <= ARM64_REG_D31)\n return ARM64_REG_Q0 + (reg - ARM64_REG_D0);\n if (reg >= ARM64_REG_S0 && reg <= ARM64_REG_S31)\n return ARM64_REG_Q0 + (reg - ARM64_REG_S0);\n if (reg >= ARM64_REG_H0 && reg <= ARM64_REG_H31)\n return ARM64_REG_Q0 + (reg - ARM64_REG_H0);\n if (reg >= ARM64_REG_B0 && reg <= ARM64_REG_B31)\n return ARM64_REG_Q0 + (reg - ARM64_REG_B0);\n\n return reg;\n}\n\nstatic void\nemit_scratch_register_restore (GumArm64Writer * cw,\n arm64_reg reg)\n{\n gum_arm64_writer_put_ldr_reg_reg_offset (cw, reg,\n reg, G_STRUCT_OFFSET (ITraceSession, scratch_regs) + SCRATCH_REG_OFFSET (reg));\n}\n\nstatic void\nemit_buffer_write_impl (GumArm64Writer * cw)\n{\n static const guint32 write_impl[] = {\n 0x9108a39bU, /* add x27, x28, 0x228 */\n\n 0xa9b75f78U, /* stp x24, x23, [x27, -0x90]! */\n 0xa9015776U, /* stp x22, x21, [x27, 0x10] */\n 0xa9024f74U, /* stp x20, x19, [x27, 0x20] */\n 0xa9032f6cU, /* stp x12, x11, [x27, 0x30] */\n 0xa904276aU, /* stp x10, x9, [x27, 0x40] */\n 0xa9050b68U, /* stp x8, x2, [x27, 0x50] */\n 0xa9060361U, /* stp x1, x0, [x27, 0x60] */\n 0xa9077b7dU, /* stp x29, x30, [x27, 0x70] */\n 0x9101c37dU, /* add x29, x27, 0x70 */\n\n 0xd53b4200U, /* mrs x0, nzcv */\n 0xf9004360U, /* str x0, [x27, 0x80] */\n\n 0xf9400793U, /* ldr x19, [x28, 8] */\n\n 0xf9400b94U, /* ldr x20, [x28, 0x10] */\n 0x9109a395U, /* add x21, x28, 0x268 */\n\n 0xf9400668U, /* ldr x8, [x19, 8] */\n 0xf9400e69U, /* ldr x9, [x19, 0x18] */\n 0xc8dffe6aU, /* ldar x10, [x19] */\n 0xeb08015fU, /* cmp x10, x8 */\n 0x54000081U, /* b.ne not_empty */\n 0xf9400e6aU, /* ldr x10, [x19, 0x18] */\n 0xd100054aU, /* sub x10, x10, 1 */\n 0x14000008U, /* b check_headroom */\n /* not_empty: */\n 0x540000a2U, /* b.hs tail_has_wrapped */\n 0xf9400e6bU, /* ldr x11, [x19, 0x18] */\n 0xaa2803ecU, /* mvn x12, x8 */\n 0x8b0c014aU, /* add x10, x10, x12 */\n 0x14000002U, /* b compute_final_headroom */\n /* tail_has_wrapped: */\n 0xaa2803ebU, /* mvn x11, x8 */\n /* compute_final_headroom: */\n 0x8b0b014aU, /* add x10, x10, x11 */\n /* check_headroom: */\n 0xeb14015fU, /* cmp x10, x20 */\n 0x540000e2U, /* b.hs sufficient_headroom */\n 0x91004268U, /* add x8, x19, 0x10 */\n /* retry: */\n 0xc85ffd09U, /* ldaxr x9, [x8] */\n 0x91000529U, /* add x9, x9, 1 */\n 0xc80afd09U, /* stlxr w10, x9, [x8] */\n 0x35ffffaaU, /* cbnz w10, retry */\n 0x14000018U, /* b beach */\n /* sufficient_headroom: */\n 0x8b14010aU, /* add x10, x8, x20 */\n 0x9ac9094bU, /* udiv x11, x10, x9 */\n 0x9b09a978U, /* msub x24, x11, x9, x10 */\n 0xeb08031fU, /* cmp x24, x8 */\n 0x540000c9U, /* b.ls copy_with_wrap */\n 0x8b080268U, /* add x8, x19, x8 */\n 0x91008100U, /* add x0, x8, 0x20 */\n 0xaa1503e1U, /* mov x1, x21 */\n 0xaa1403e2U, /* mov x2, x20 */\n 0x1400000bU, /* b do_memcpy */\n /* copy_with_wrap: */\n 0xf9400e69U, /* ldr x9, [x19, 0x18] */\n 0xcb080136U, /* sub x22, x9, x8 */\n 0x91008277U, /* add x23, x19, 0x20 */\n 0x8b0802e0U, /* add x0, x23, x8 */\n 0xaa1503e1U, /* mov x1, x21 */\n 0xaa1603e2U, /* mov x2, x22 */\n 0x94000012U, /* bl itrace_memcpy */\n 0x8b1602a1U, /* add x1, x21, x22 */\n 0xcb160282U, /* sub x2, x20, x22 */\n 0xaa1703e0U, /* mov x0, x23 */\n /* do_memcpy: */\n 0x9400000eU, /* bl itrace_memcpy */\n 0x91002268U, /* add x8, x19, 8 */\n 0xc89ffd18U, /* stlr x24, [x8] */\n /* beach: */\n 0xf9404360U, /* ldr x0, [x27, 0x80] */\n 0xd51b4200U, /* msr nzcv, x0 */\n\n 0xa9477b7dU, /* ldp x29, x30, [x27, 0x70] */\n 0xa9460361U, /* ldp x1, x0, [x27, 0x60] */\n 0xa9450b68U, /* ldp x8, x2, [x27, 0x50] */\n 0xa944276aU, /* ldp x10, x9, [x27, 0x40] */\n 0xa9432f6cU, /* ldp x12, x11, [x27, 0x30] */\n 0xa9424f74U, /* ldp x20, x19, [x27, 0x20] */\n 0xa9415776U, /* ldp x22, x21, [x27, 0x10] */\n 0xa8c95f78U, /* ldp x24, x23, [x27], 0x90 */\n\n 0xd65f03c0U, /* ret */\n\n /* itrace_memcpy: */\n 0xd343fc48U, /* lsr x8, x2, 3 */\n 0xb40000a8U, /* cbz x8, beach2 */\n 0xf8408429U, /* ldr x9, [x1], 8 */\n 0xf8008409U, /* str x9, [x0], 8 */\n 0xd1000508U, /* sub x8, x8, 1 */\n 0xb5ffffa8U, /* cbnz x8, again */\n /* beach2: */\n 0xd65f03c0U, /* ret */\n };\n\n gum_arm64_writer_put_bytes (cw, (const guint8 *) write_impl, sizeof (write_impl));\n}\n\nstatic void\npanic (const char * format,\n ...)\n{\n va_list args;\n va_start (args, format);\n gchar * message = g_strdup_vprintf (format, args);\n va_end (args);\n\n on_panic (message);\n\n g_free (message);\n}\n'; ✄ 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function(...n){return r||(t=e(...n),r=!0),t}}((function(){const e=NativeFunction;return t=[["mach_task_self",()=>{const e=Module.getExportByName(null,"mach_task_self_").readU32();return()=>e}],["mach_port_deallocate",e,"int",["uint","uint"]],["task_for_pid",e,"int",["uint","int","pointer"]],["mach_vm_remap",e,"int",["uint","pointer","size_t","size_t","int","uint","uint64","uint","pointer","pointer","uint"]],["mach_vm_deallocate",e,"int",["uint","uint64","uint64"]]],t.reduce(((e,t)=>(function(e,t){const[r]=t;Object.defineProperty(e,r,{configurable:!0,get(){let n=null;if(2===t.length){const[,e]=t;n=e()}else{const[,e,i,o]=t,a=Module.findExportByName(null,r);null!==a&&(n=new e(a,i,o,M))}return Object.defineProperty(e,r,{value:n}),n}})}(e,t),e)),{});var t}));export class TraceSession{constructor(n,c){e.add(this),this.strategy=n,this.buffer=c,this.events=new m,t.set(this,void 0),r.set(this,void 0),i.set(this,((e,t,r)=>{const n=JSON.parse(e.readUtf8String()),i=t.readByteArray(r);this.events.emit("start",n,i)})),o.set(this,(()=>{setImmediate((()=>{Stalker.unfollow(p(this,r,"f")),this.events.emit("end")}))})),a.set(this,(e=>{const t=JSON.parse(e.readUtf8String());t.address=ptr(t.address);const r=t.compiled;r.address=ptr(r.address);const n=t.module;void 0!==n&&(n.base=ptr(n.base)),this.events.emit("compile",t)})),s.set(this,(e=>{const t=e.readUtf8String();this.events.emit("panic",t)}));const d=Memory.alloc(16384);d.add(w).writePointer(c.regionBase);const l=Memory.alloc(w);"range"===n.type&&l.writePointer(n.end),h(this,t,new CModule(u.code,{session:d,end_address:l,on_start:new NativeCallback(p(this,i,"f"),"void",["pointer","pointer","uint"]),on_end:new NativeCallback(p(this,o,"f"),"void",[]),on_compile:new NativeCallback(p(this,a,"f"),"void",["pointer"]),on_panic:new NativeCallback(p(this,s,"f"),"void",["pointer"])}),"f")}open(){const{strategy:t}=this;if("thread"===t.type)p(this,e,"m",n).call(this,t.threadId);else{const i=this;Interceptor.attach(t.start,(function(){void 0===p(i,r,"f")&&p(i,e,"m",n).call(i,this.threadId)}))}}}t=new WeakMap,r=new WeakMap,i=new WeakMap,o=new WeakMap,a=new WeakMap,s=new WeakMap,e=new WeakSet,n=function(e){h(this,r,e,"f"),Stalker.follow(e,{transform:p(this,t,"f").transform})};export class TraceBuffer{get location(){const e=Process.id,{regionBase:t,regionSize:r}=this;return JSON.stringify({pid:e,regionBase:t,regionSize:r})}constructor(e,t){this.regionBase=e,this.regionSize=t}static create(e={}){const t=4*w,r=e.capacity??33554432,n=function(e){const{pageSize:t}=Process,r=e%t;return 0===r?e:e+(t-r)}(t+r),i=Memory.alloc(n);return i.add(_).writePointer(ptr(r)),new TraceBuffer(i,n)}static open(e){if("darwin"!==Process.platform)throw new Error("shared memory is only supported on Darwin for now");const{pid:t,regionBase:r,regionSize:n}=JSON.parse(e),i=g(),o=i.mach_task_self(),a=Memory.alloc(4);S("task_for_pid",i.task_for_pid(o,t,a));const s=a.readU32();try{const e=Memory.alloc(16),t=e.add(8),a=t.add(4);S("mach_vm_remap",i.mach_vm_remap(o,e,n,0,1,s,uint64(r),0,t,a,2));const c=ptr(e.readU64().toString()),d=new TraceBuffer(c,n);return Script.bindWeak(d,k.bind(null,c,n)),d}finally{i.mach_port_deallocate(o,s)}}}export class TraceBufferReader{get lost(){return p(this,f,"f").readPointer().toUInt32()}constructor(e,t={}){this.buffer=e,c.set(this,void 0),d.set(this,void 0),l.set(this,new ArrayBuffer(0)),f.set(this,void 0);const r=t.chunkSize??4194304;h(this,c,Memory.alloc(r),"f"),h(this,d,r,"f"),h(this,f,e.regionBase.add(v),"f")}read(){const e=y(this.buffer.regionBase,p(this,c,"f"),p(this,d,"f"));return 0===e?p(this,l,"f"):p(this,c,"f").readByteArray(e)}}function k(e,t){const r=g();r.mach_vm_deallocate(r.mach_task_self(),uint64(e.toString()),t)}function S(e,t){if(0!==t)throw new Error(`${e}() failed (kr=${t})`)}c=new WeakMap,d=new WeakMap,l=new WeakMap,f=new WeakMap;const M={exceptions:"propagate"};