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-rw-r--r--platform/linuxbsd/export/export.cpp169
-rw-r--r--platform/linuxbsd/export/export.h36
2 files changed, 205 insertions, 0 deletions
diff --git a/platform/linuxbsd/export/export.cpp b/platform/linuxbsd/export/export.cpp
new file mode 100644
index 0000000000..53e3ce8f85
--- /dev/null
+++ b/platform/linuxbsd/export/export.cpp
@@ -0,0 +1,169 @@
+/*************************************************************************/
+/* export.cpp */
+/*************************************************************************/
+/* This file is part of: */
+/* GODOT ENGINE */
+/* https://godotengine.org */
+/*************************************************************************/
+/* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur. */
+/* Copyright (c) 2014-2020 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 "export.h"
+
+#include "core/os/file_access.h"
+#include "editor/editor_export.h"
+#include "platform/linuxbsd/logo.gen.h"
+#include "scene/resources/texture.h"
+
+static Error fixup_embedded_pck(const String &p_path, int64_t p_embedded_start, int64_t p_embedded_size);
+
+void register_linuxbsd_exporter() {
+
+ Ref<EditorExportPlatformPC> platform;
+ platform.instance();
+
+ Ref<Image> img = memnew(Image(_linuxbsd_logo));
+ Ref<ImageTexture> logo;
+ logo.instance();
+ logo->create_from_image(img);
+ platform->set_logo(logo);
+ platform->set_name("Linux/X11");
+ platform->set_extension("x86");
+ platform->set_extension("x86_64", "binary_format/64_bits");
+ platform->set_release_32("linux_x11_32_release");
+ platform->set_debug_32("linux_x11_32_debug");
+ platform->set_release_64("linux_x11_64_release");
+ platform->set_debug_64("linux_x11_64_debug");
+ platform->set_os_name("X11");
+ platform->set_chmod_flags(0755);
+ platform->set_fixup_embedded_pck_func(&fixup_embedded_pck);
+
+ EditorExport::get_singleton()->add_export_platform(platform);
+}
+
+static Error fixup_embedded_pck(const String &p_path, int64_t p_embedded_start, int64_t p_embedded_size) {
+
+ // Patch the header of the "pck" section in the ELF file so that it corresponds to the embedded data
+
+ FileAccess *f = FileAccess::open(p_path, FileAccess::READ_WRITE);
+ if (!f) {
+ return ERR_CANT_OPEN;
+ }
+
+ // Read and check ELF magic number
+ {
+ uint32_t magic = f->get_32();
+ if (magic != 0x464c457f) { // 0x7F + "ELF"
+ f->close();
+ return ERR_FILE_CORRUPT;
+ }
+ }
+
+ // Read program architecture bits from class field
+
+ int bits = f->get_8() * 32;
+
+ if (bits == 32 && p_embedded_size >= 0x100000000) {
+ f->close();
+ ERR_FAIL_V_MSG(ERR_INVALID_DATA, "32-bit executables cannot have embedded data >= 4 GiB.");
+ }
+
+ // Get info about the section header table
+
+ int64_t section_table_pos;
+ int64_t section_header_size;
+ if (bits == 32) {
+ section_header_size = 40;
+ f->seek(0x20);
+ section_table_pos = f->get_32();
+ f->seek(0x30);
+ } else { // 64
+ section_header_size = 64;
+ f->seek(0x28);
+ section_table_pos = f->get_64();
+ f->seek(0x3c);
+ }
+ int num_sections = f->get_16();
+ int string_section_idx = f->get_16();
+
+ // Load the strings table
+ uint8_t *strings;
+ {
+ // Jump to the strings section header
+ f->seek(section_table_pos + string_section_idx * section_header_size);
+
+ // Read strings data size and offset
+ int64_t string_data_pos;
+ int64_t string_data_size;
+ if (bits == 32) {
+ f->seek(f->get_position() + 0x10);
+ string_data_pos = f->get_32();
+ string_data_size = f->get_32();
+ } else { // 64
+ f->seek(f->get_position() + 0x18);
+ string_data_pos = f->get_64();
+ string_data_size = f->get_64();
+ }
+
+ // Read strings data
+ f->seek(string_data_pos);
+ strings = (uint8_t *)memalloc(string_data_size);
+ if (!strings) {
+ f->close();
+ return ERR_OUT_OF_MEMORY;
+ }
+ f->get_buffer(strings, string_data_size);
+ }
+
+ // Search for the "pck" section
+
+ bool found = false;
+ for (int i = 0; i < num_sections; ++i) {
+
+ int64_t section_header_pos = section_table_pos + i * section_header_size;
+ f->seek(section_header_pos);
+
+ uint32_t name_offset = f->get_32();
+ if (strcmp((char *)strings + name_offset, "pck") == 0) {
+ // "pck" section found, let's patch!
+
+ if (bits == 32) {
+ f->seek(section_header_pos + 0x10);
+ f->store_32(p_embedded_start);
+ f->store_32(p_embedded_size);
+ } else { // 64
+ f->seek(section_header_pos + 0x18);
+ f->store_64(p_embedded_start);
+ f->store_64(p_embedded_size);
+ }
+
+ found = true;
+ break;
+ }
+ }
+
+ memfree(strings);
+ f->close();
+
+ return found ? OK : ERR_FILE_CORRUPT;
+}
diff --git a/platform/linuxbsd/export/export.h b/platform/linuxbsd/export/export.h
new file mode 100644
index 0000000000..5ee81f485e
--- /dev/null
+++ b/platform/linuxbsd/export/export.h
@@ -0,0 +1,36 @@
+/*************************************************************************/
+/* export.h */
+/*************************************************************************/
+/* This file is part of: */
+/* GODOT ENGINE */
+/* https://godotengine.org */
+/*************************************************************************/
+/* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur. */
+/* Copyright (c) 2014-2020 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. */
+/*************************************************************************/
+
+#ifndef LINUXBSD_EXPORT_H
+#define LINUXBSD_EXPORT_H
+
+void register_linuxbsd_exporter();
+
+#endif // LINUXBSD_EXPORT_H
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