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dyld: rename pltrel to jmprel 

nac3ld will not generate PLT & its relocation section. There might not be a pltrel in that case.
On the other hand, rebinding will not be limited to the symbols in the PLT when linked with nac3ld.
Thus the renaming.
This commit is contained in:
occheung 2022-06-01 12:23:29 +08:00 committed by Sébastien Bourdeauducq
parent 7c3d9bb376
commit 5d7b01bd3f
1 changed files with 4 additions and 4 deletions
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8
artiq/firmware/libdyld/lib.rs
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@ -86,7 +86,7 @@ pub struct Library<'a> {
image_sz: usize, image_sz: usize,
strtab: &'a [u8], strtab: &'a [u8],
symtab: &'a [Elf32_Sym], symtab: &'a [Elf32_Sym],
pltrel: &'a [Elf32_Rela], jmprel: &'a [Elf32_Rela],
hash_bucket: &'a [Elf32_Word], hash_bucket: &'a [Elf32_Word],
hash_chain: &'a [Elf32_Word], hash_chain: &'a [Elf32_Word],
} }
@ -136,9 +136,9 @@ impl<'a> Library<'a> {
Ok(unsafe { *ptr = value }) Ok(unsafe { *ptr = value })
} }
// This is unsafe because it mutates global data (the PLT). // This is unsafe because it mutates global data (instructions).
pub unsafe fn rebind(&self, name: &[u8], addr: Elf32_Word) -> Result<(), Error<'a>> { pub unsafe fn rebind(&self, name: &[u8], addr: Elf32_Word) -> Result<(), Error<'a>> {
for rela in self.pltrel.iter() { for rela in self.jmprel.iter() {
match ELF32_R_TYPE(rela.r_info) { match ELF32_R_TYPE(rela.r_info) {
R_RISCV_32 | R_RISCV_JUMP_SLOT => { R_RISCV_32 | R_RISCV_JUMP_SLOT => {
let sym = self.symtab.get(ELF32_R_SYM(rela.r_info) as usize) let sym = self.symtab.get(ELF32_R_SYM(rela.r_info) as usize)
@ -328,7 +328,7 @@ impl<'a> Library<'a> {
image_sz: image.len(), image_sz: image.len(),
strtab: strtab, strtab: strtab,
symtab: symtab, symtab: symtab,
pltrel: pltrel, jmprel: if pltrel.is_empty() { rela } else { pltrel },
hash_bucket: &hash[..nbucket], hash_bucket: &hash[..nbucket],
hash_chain: &hash[nbucket..nbucket + nchain], hash_chain: &hash[nbucket..nbucket + nchain],
}; };