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authorAaron Franke <arnfranke@yahoo.com>2022-03-20 19:31:05 -0500
committerAaron Franke <arnfranke@yahoo.com>2022-03-20 21:04:22 -0500
commite5e697564d61f889bd0345d6507e8eea123a37cd (patch)
treec99f3a7763146deebca4ed896c30549e15db1366 /platform/linuxbsd/export
parentaa8ff21b2a37e6235b7024e5b2804219337a7e74 (diff)
Move fixup_embedded_pck to EditorExportPlatform classes
Diffstat (limited to 'platform/linuxbsd/export')
-rw-r--r--platform/linuxbsd/export/export.cpp108
-rw-r--r--platform/linuxbsd/export/export_plugin.cpp105
-rw-r--r--platform/linuxbsd/export/export_plugin.h1
3 files changed, 106 insertions, 108 deletions
diff --git a/platform/linuxbsd/export/export.cpp b/platform/linuxbsd/export/export.cpp
index 796e82594a..e5caff2860 100644
--- a/platform/linuxbsd/export/export.cpp
+++ b/platform/linuxbsd/export/export.cpp
@@ -32,8 +32,6 @@
#include "export_plugin.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<EditorExportPlatformLinuxBSD> platform;
platform.instantiate();
@@ -52,112 +50,6 @@ void register_linuxbsd_exporter() {
platform->set_debug_64("linux_x11_64_debug");
platform->set_os_name("LinuxBSD");
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_plugin.cpp b/platform/linuxbsd/export/export_plugin.cpp
index 99f5b82b34..6300a37854 100644
--- a/platform/linuxbsd/export/export_plugin.cpp
+++ b/platform/linuxbsd/export/export_plugin.cpp
@@ -72,3 +72,108 @@ Error EditorExportPlatformLinuxBSD::export_project(const Ref<EditorExportPreset>
return err;
}
+
+Error EditorExportPlatformLinuxBSD::fixup_embedded_pck(const String &p_path, int64_t p_embedded_start, int64_t p_embedded_size) const {
+ // 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_plugin.h b/platform/linuxbsd/export/export_plugin.h
index f482ddce3d..ba6c9a6a6b 100644
--- a/platform/linuxbsd/export/export_plugin.h
+++ b/platform/linuxbsd/export/export_plugin.h
@@ -42,6 +42,7 @@ class EditorExportPlatformLinuxBSD : public EditorExportPlatformPC {
public:
virtual Error export_project(const Ref<EditorExportPreset> &p_preset, bool p_debug, const String &p_path, int p_flags = 0) override;
+ virtual Error fixup_embedded_pck(const String &p_path, int64_t p_embedded_start, int64_t p_embedded_size) const override;
};
#endif