private static void writeRprcHeader(EndianBinaryWriter writer, uint section_count)
{
// RPRC header contents:
// char magic[4] = { 'R', 'P', 'R', 'C' };
// u32 version;
// u32 header_len;
// char header[...] = { header_len bytes of unformatted, textual header };
char[] magic = {'R', 'P', 'R', 'C'};
uint version = 1; // TODO: confirm with SDO
// use text header to record section count
uint length = 4;
uint header = section_count;
// TODO: add more text header contents?
// write header to file
writer.Write(magic);
writer.Write(version);
writer.Write(length);
writer.Write(header);
}
private static void writeSection(EndianBinaryWriter writer, ObjectSection section, byte[] contents)
{
// RPRC section contents:
// u32 type;
// u64 da;
// u32 len;
// u8 content[...] = { len bytes of binary data };
uint type = 1; // 1: TEXT, 2: DATA (TODO use both?)
ulong addr = section.loadAddr;
uint size = (uint)section.size;
// write section to file
writer.Write(type);
writer.Write(addr);
writer.Write(size);
writer.Write(contents);
}
private static void writeEntrypoint(EndianBinaryWriter writer, ulong entrypoint)
{
// RPRC section contents:
// u32 type;
// u64 da;
// u32 len;
// u8 content[...] = { len bytes of binary data };
// RPRC resource contents (inside section contents):
// u32 type;
// u64 da;
// u32 len;
// u32 reserved;
// u8 name[48];
uint section_type = 0; // 0: RESOURCE
ulong section_addr = entrypoint;
uint section_size = 4 + 8 + 4 + 4 + 48;
uint resource_type = 5; // 5: RSC_BOOTADDR
ulong resource_addr = entrypoint;
uint resource_size = 48;
uint resource_rsvd = 0;
char[] resource_name = newResourceName("Entrypoint");
// write section + resource to file
writer.Write(section_type);
writer.Write(section_addr);
writer.Write(section_size);
writer.Write(resource_type);
writer.Write(resource_addr);
writer.Write(resource_size);
writer.Write(resource_rsvd);
writer.Write(resource_name);
}
