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-rw-r--r--platform/macos/export/lipo.cpp236
1 files changed, 236 insertions, 0 deletions
diff --git a/platform/macos/export/lipo.cpp b/platform/macos/export/lipo.cpp
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+/*************************************************************************/
+/* lipo.cpp */
+/*************************************************************************/
+/* This file is part of: */
+/* GODOT ENGINE */
+/* https://godotengine.org */
+/*************************************************************************/
+/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */
+/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */
+/* */
+/* Permission is hereby granted, free of charge, to any person obtaining */
+/* a copy of this software and associated documentation files (the */
+/* "Software"), to deal in the Software without restriction, including */
+/* without limitation the rights to use, copy, modify, merge, publish, */
+/* distribute, sublicense, and/or sell copies of the Software, and to */
+/* permit persons to whom the Software is furnished to do so, subject to */
+/* the following conditions: */
+/* */
+/* The above copyright notice and this permission notice shall be */
+/* included in all copies or substantial portions of the Software. */
+/* */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
+/*************************************************************************/
+
+#include "modules/modules_enabled.gen.h" // For regex.
+
+#include "lipo.h"
+
+#ifdef MODULE_REGEX_ENABLED
+
+bool LipO::is_lipo(const String &p_path) {
+ Ref<FileAccess> fb = FileAccess::open(p_path, FileAccess::READ);
+ ERR_FAIL_COND_V_MSG(fb.is_null(), false, vformat("LipO: Can't open file: \"%s\".", p_path));
+ uint32_t magic = fb->get_32();
+ return (magic == 0xbebafeca || magic == 0xcafebabe || magic == 0xbfbafeca || magic == 0xcafebabf);
+}
+
+bool LipO::create_file(const String &p_output_path, const PackedStringArray &p_files) {
+ close();
+
+ fa = FileAccess::open(p_output_path, FileAccess::WRITE);
+ ERR_FAIL_COND_V_MSG(fa.is_null(), false, vformat("LipO: Can't open file: \"%s\".", p_output_path));
+
+ uint64_t max_size = 0;
+ for (int i = 0; i < p_files.size(); i++) {
+ MachO mh;
+ if (!mh.open_file(p_files[i])) {
+ ERR_FAIL_V_MSG(false, vformat("LipO: Invalid MachO file: \"%s.\"", p_files[i]));
+ }
+
+ FatArch arch;
+ arch.cputype = mh.get_cputype();
+ arch.cpusubtype = mh.get_cpusubtype();
+ arch.offset = 0;
+ arch.size = mh.get_size();
+ arch.align = mh.get_align();
+ max_size += arch.size;
+
+ archs.push_back(arch);
+
+ Ref<FileAccess> fb = FileAccess::open(p_files[i], FileAccess::READ);
+ if (fb.is_null()) {
+ close();
+ ERR_FAIL_V_MSG(false, vformat("LipO: Can't open file: \"%s.\"", p_files[i]));
+ }
+ }
+
+ // Write header.
+ bool is_64 = (max_size >= std::numeric_limits<uint32_t>::max());
+ if (is_64) {
+ fa->store_32(0xbfbafeca);
+ } else {
+ fa->store_32(0xbebafeca);
+ }
+ fa->store_32(BSWAP32(archs.size()));
+ uint64_t offset = archs.size() * (is_64 ? 32 : 20) + 8;
+ for (int i = 0; i < archs.size(); i++) {
+ archs.write[i].offset = offset + PAD(offset, uint64_t(1) << archs[i].align);
+ if (is_64) {
+ fa->store_32(BSWAP32(archs[i].cputype));
+ fa->store_32(BSWAP32(archs[i].cpusubtype));
+ fa->store_64(BSWAP64(archs[i].offset));
+ fa->store_64(BSWAP64(archs[i].size));
+ fa->store_32(BSWAP32(archs[i].align));
+ fa->store_32(0);
+ } else {
+ fa->store_32(BSWAP32(archs[i].cputype));
+ fa->store_32(BSWAP32(archs[i].cpusubtype));
+ fa->store_32(BSWAP32(archs[i].offset));
+ fa->store_32(BSWAP32(archs[i].size));
+ fa->store_32(BSWAP32(archs[i].align));
+ }
+ offset = archs[i].offset + archs[i].size;
+ }
+
+ // Write files and padding.
+ for (int i = 0; i < archs.size(); i++) {
+ Ref<FileAccess> fb = FileAccess::open(p_files[i], FileAccess::READ);
+ if (fb.is_null()) {
+ close();
+ ERR_FAIL_V_MSG(false, vformat("LipO: Can't open file: \"%s.\"", p_files[i]));
+ }
+ uint64_t cur = fa->get_position();
+ for (uint64_t j = cur; j < archs[i].offset; j++) {
+ fa->store_8(0);
+ }
+ int pages = archs[i].size / 4096;
+ int remain = archs[i].size % 4096;
+ unsigned char step[4096];
+ for (int j = 0; j < pages; j++) {
+ uint64_t br = fb->get_buffer(step, 4096);
+ if (br > 0) {
+ fa->store_buffer(step, br);
+ }
+ }
+ uint64_t br = fb->get_buffer(step, remain);
+ if (br > 0) {
+ fa->store_buffer(step, br);
+ }
+ }
+ return true;
+}
+
+bool LipO::open_file(const String &p_path) {
+ close();
+
+ fa = FileAccess::open(p_path, FileAccess::READ);
+ ERR_FAIL_COND_V_MSG(fa.is_null(), false, vformat("LipO: Can't open file: \"%s\".", p_path));
+
+ uint32_t magic = fa->get_32();
+ if (magic == 0xbebafeca) {
+ // 32-bit fat binary, bswap.
+ uint32_t nfat_arch = BSWAP32(fa->get_32());
+ for (uint32_t i = 0; i < nfat_arch; i++) {
+ FatArch arch;
+ arch.cputype = BSWAP32(fa->get_32());
+ arch.cpusubtype = BSWAP32(fa->get_32());
+ arch.offset = BSWAP32(fa->get_32());
+ arch.size = BSWAP32(fa->get_32());
+ arch.align = BSWAP32(fa->get_32());
+
+ archs.push_back(arch);
+ }
+ } else if (magic == 0xcafebabe) {
+ // 32-bit fat binary.
+ uint32_t nfat_arch = fa->get_32();
+ for (uint32_t i = 0; i < nfat_arch; i++) {
+ FatArch arch;
+ arch.cputype = fa->get_32();
+ arch.cpusubtype = fa->get_32();
+ arch.offset = fa->get_32();
+ arch.size = fa->get_32();
+ arch.align = fa->get_32();
+
+ archs.push_back(arch);
+ }
+ } else if (magic == 0xbfbafeca) {
+ // 64-bit fat binary, bswap.
+ uint32_t nfat_arch = BSWAP32(fa->get_32());
+ for (uint32_t i = 0; i < nfat_arch; i++) {
+ FatArch arch;
+ arch.cputype = BSWAP32(fa->get_32());
+ arch.cpusubtype = BSWAP32(fa->get_32());
+ arch.offset = BSWAP64(fa->get_64());
+ arch.size = BSWAP64(fa->get_64());
+ arch.align = BSWAP32(fa->get_32());
+ fa->get_32(); // Skip, reserved.
+
+ archs.push_back(arch);
+ }
+ } else if (magic == 0xcafebabf) {
+ // 64-bit fat binary.
+ uint32_t nfat_arch = fa->get_32();
+ for (uint32_t i = 0; i < nfat_arch; i++) {
+ FatArch arch;
+ arch.cputype = fa->get_32();
+ arch.cpusubtype = fa->get_32();
+ arch.offset = fa->get_64();
+ arch.size = fa->get_64();
+ arch.align = fa->get_32();
+ fa->get_32(); // Skip, reserved.
+
+ archs.push_back(arch);
+ }
+ } else {
+ close();
+ ERR_FAIL_V_MSG(false, vformat("LipO: Invalid fat binary: \"%s\".", p_path));
+ }
+ return true;
+}
+
+int LipO::get_arch_count() const {
+ ERR_FAIL_COND_V_MSG(fa.is_null(), 0, "LipO: File not opened.");
+ return archs.size();
+}
+
+bool LipO::extract_arch(int p_index, const String &p_path) {
+ ERR_FAIL_COND_V_MSG(fa.is_null(), false, "LipO: File not opened.");
+ ERR_FAIL_INDEX_V(p_index, archs.size(), false);
+
+ Ref<FileAccess> fb = FileAccess::open(p_path, FileAccess::WRITE);
+ ERR_FAIL_COND_V_MSG(fb.is_null(), false, vformat("LipO: Can't open file: \"%s\".", p_path));
+
+ fa->seek(archs[p_index].offset);
+
+ int pages = archs[p_index].size / 4096;
+ int remain = archs[p_index].size % 4096;
+ unsigned char step[4096];
+ for (int i = 0; i < pages; i++) {
+ uint64_t br = fa->get_buffer(step, 4096);
+ if (br > 0) {
+ fb->store_buffer(step, br);
+ }
+ }
+ uint64_t br = fa->get_buffer(step, remain);
+ if (br > 0) {
+ fb->store_buffer(step, br);
+ }
+ return true;
+}
+
+void LipO::close() {
+ archs.clear();
+}
+
+LipO::~LipO() {
+ close();
+}
+
+#endif // MODULE_REGEX_ENABLED
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-16 16:37:57 +0000