forked from M-Labs/artiq-zynq
parent
7f983a453d
commit
641204425e
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@ -56,6 +56,14 @@ impl<'a> File<'a> {
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})
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}
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pub fn section_headers<'b>(&'b self) -> impl Iterator<Item = Option<Elf32_Shdr>> + 'b
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{
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(0..self.ehdr.e_shnum).map(move |i| {
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let shdr_off = self.ehdr.e_shoff as usize + mem::size_of::<Elf32_Shdr>() * i as usize;
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self.read_unaligned::<Elf32_Shdr>(shdr_off)
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})
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}
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pub fn dyn_header_vaddr(&self) -> Option<Range<usize>> {
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self.program_headers()
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.filter_map(|phdr| phdr)
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@ -222,13 +222,21 @@ pub fn load(
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.ok_or("program header requests an out of bounds load (in target)")?;
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dst.copy_from_slice(src);
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}
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PT_ARM_EXIDX => {
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let range = image.get(phdr.p_vaddr as usize..
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(phdr.p_vaddr + phdr.p_filesz) as usize)
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.ok_or("program header requests and out of bounds load (in target)")?;
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_ => {}
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}
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}
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// Obtain EXIDX
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for shdr in file.section_headers() {
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let shdr = shdr.ok_or("cannot read section header")?;
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match shdr.sh_type as usize {
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SHT_ARM_EXIDX => {
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let slice = image.get(shdr.sh_addr as usize..
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(shdr.sh_addr + shdr.sh_size) as usize)
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.ok_or("section header requests an out of bounds load (in target)")?;
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unsafe {
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KERNEL_EXIDX_START = range.as_ptr() as u32;
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KERNEL_EXIDX_END = range.as_ptr().add(range.len()) as u32;
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KERNEL_EXIDX_START = slice.as_ptr() as u32;
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KERNEL_EXIDX_END = slice.as_ptr().add(slice.len()) as u32;
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}
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}
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_ => {}
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