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This commit is contained in:
Rui Ueyama 2021-04-12 14:10:28 +09:00
parent f2281e2557
commit 0e9da59353
1 changed files with 14 additions and 15 deletions
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passes.cc
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@ -754,31 +754,30 @@ void clear_padding(Context<E> &ctx, i64 filesize) {
// section header
template <typename E>
i64 get_section_rank(Context<E> &ctx, OutputChunk<E> *chunk) {
if (chunk == ctx.ehdr.get())
return 0;
if (chunk == ctx.phdr.get())
return 1;
if (chunk == ctx.interp.get())
return 2;
if (chunk == ctx.shdr.get())
return 1 << 20;
u64 type = chunk->shdr.sh_type;
u64 flags = chunk->shdr.sh_flags;
if (chunk == ctx.ehdr.get())
return -4;
if (chunk == ctx.phdr.get())
return -3;
if (chunk == ctx.interp.get())
return -2;
if (type == SHT_NOTE)
return 3;
return -1;
if (chunk == ctx.shdr.get())
return 1 << 6;
if (!(flags & SHF_ALLOC))
return (1 << 20) - 1;
return 1 << 5;
bool reaodnly = !(flags & SHF_WRITE);
bool writable = (flags & SHF_WRITE);
bool exec = (flags & SHF_EXECINSTR);
bool tls = (flags & SHF_TLS);
bool relro = is_relro(ctx, chunk);
bool hasbits = !(type == SHT_NOBITS);
bool is_bss = (type == SHT_NOBITS);
return ((!reaodnly << 9) | (exec << 8) | (!tls << 7) |
(!relro << 6) | (!hasbits << 5)) + (1 << 4);
return (writable << 4) | (exec << 3) | (!tls << 2) |
(!relro << 1) | is_bss;
}
// Returns the smallest number n such that