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+sys_spu_elf_get_information

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This commit is contained in:
Nekotekina 2017-08-31 20:37:54 +03:00
parent b533d57717
commit 8807cd06b7
1 changed files with 42 additions and 2 deletions
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44
rpcs3/Emu/Cell/Modules/sys_spu_.cpp
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@ -183,9 +183,49 @@ struct spu_elf_info
}
};
s32 sys_spu_elf_get_information(u32 elf_img, vm::ptr<u32> entry, vm::ptr<s32> nseg)
error_code sys_spu_elf_get_information(u32 elf_img, vm::ptr<u32> entry, vm::ptr<s32> nseg)
{
sysPrxForUser.todo("sys_spu_elf_get_information(elf_img=0x%x, entry=*0x%x, nseg=*0x%x)", elf_img, entry, nseg);
sysPrxForUser.warning("sys_spu_elf_get_information(elf_img=0x%x, entry=*0x%x, nseg=*0x%x)", elf_img, entry, nseg);
// Initialize ELF loader
vm::var<spu_elf_info> info(spu_elf_info{});
if (auto res = info->init(vm::cast(elf_img)))
{
return res;
}
// Reject SCE header
if (info->sce0.se_magic == 0x53434500)
{
return CELL_ENOEXEC;
}
// Load ELF header
vm::var<elf_ehdr<elf_be, u64>> ehdr(elf_ehdr<elf_be, u64>{});
if (info->ldr->get_ehdr(ehdr) || ehdr->e_machine != elf_machine::spu || !ehdr->e_phnum)
{
return CELL_ENOEXEC;
}
// Load program headers
vm::var<elf_phdr<elf_be, u64>[]> phdr(ehdr->e_phnum);
if (info->ldr->get_phdr(phdr, ehdr->e_phnum))
{
return CELL_ENOEXEC;
}
const s32 num_segs = sys_spu_image::get_nsegs<false>(phdr);
if (num_segs < 0)
{
return CELL_ENOEXEC;
}
*entry = static_cast<u32>(ehdr->e_entry);
*nseg = num_segs;
return CELL_OK;
}