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pass eh_frame as argument 0

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Signed-off-by: Sean Cross <sean@xobs.io>
This commit is contained in:
Sean Cross 2024-01-01 19:20:00 +08:00
parent 48206ee23c
commit 4b2e4b0548
1 changed files with 10 additions and 1 deletions
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11
src/xous.rs
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@ -904,8 +904,18 @@ impl Machine {
memory_writer.turbo(); memory_writer.turbo();
for sh in elf.section_headers { for sh in elf.section_headers {
if sh.sh_flags as u32 & goblin::elf::section_header::SHF_ALLOC == 0 { if sh.sh_flags as u32 & goblin::elf::section_header::SHF_ALLOC == 0 {
// println!(
// "Ignoring section {}...",
// elf.shdr_strtab.get_at(sh.sh_name).unwrap_or("???")
// );
continue; continue;
} }
// Place the eh_frame offset into $a0 so the program can unwind correctly
if elf.shdr_strtab.get_at(sh.sh_name).unwrap_or("???") == ".eh_frame" {
cpu.write_register(10, sh.sh_addr.try_into().unwrap());
}
if sh.sh_type & goblin::elf::section_header::SHT_NOBITS != 0 { if sh.sh_type & goblin::elf::section_header::SHT_NOBITS != 0 {
for addr in sh.sh_addr..(sh.sh_addr + sh.sh_size) { for addr in sh.sh_addr..(sh.sh_addr + sh.sh_size) {
memory_writer.ensure_page(addr.try_into().unwrap()); memory_writer.ensure_page(addr.try_into().unwrap());
@ -918,7 +928,6 @@ impl Machine {
} }
} }
// memory_writer.print_mmu();
memory_writer.normal(); memory_writer.normal();
// TODO: Get memory permissions correct // TODO: Get memory permissions correct